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 2012 Nexenta Systems, Inc. All rights reserved.
25 * Copyright (c) 2012 by Delphix. All rights reserved.
26 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
35 #include <libnvpair.h>
48 #include <sys/mkdev.h>
49 #include <sys/mntent.h>
50 #include <sys/mnttab.h>
51 #include <sys/mount.h>
53 #include <sys/fs/zfs.h>
54 #include <sys/types.h>
59 #include <zfs_deleg.h>
63 #include <directory.h>
64 #endif /* HAVE_IDMAP */
68 #include "zfs_comutil.h"
70 libzfs_handle_t
*g_zfs
;
72 static FILE *mnttab_file
;
73 static char history_str
[HIS_MAX_RECORD_LEN
];
75 static int zfs_do_clone(int argc
, char **argv
);
76 static int zfs_do_create(int argc
, char **argv
);
77 static int zfs_do_destroy(int argc
, char **argv
);
78 static int zfs_do_get(int argc
, char **argv
);
79 static int zfs_do_inherit(int argc
, char **argv
);
80 static int zfs_do_list(int argc
, char **argv
);
81 static int zfs_do_mount(int argc
, char **argv
);
82 static int zfs_do_rename(int argc
, char **argv
);
83 static int zfs_do_rollback(int argc
, char **argv
);
84 static int zfs_do_set(int argc
, char **argv
);
85 static int zfs_do_upgrade(int argc
, char **argv
);
86 static int zfs_do_snapshot(int argc
, char **argv
);
87 static int zfs_do_unmount(int argc
, char **argv
);
88 static int zfs_do_share(int argc
, char **argv
);
89 static int zfs_do_unshare(int argc
, char **argv
);
90 static int zfs_do_send(int argc
, char **argv
);
91 static int zfs_do_receive(int argc
, char **argv
);
92 static int zfs_do_promote(int argc
, char **argv
);
93 static int zfs_do_userspace(int argc
, char **argv
);
94 static int zfs_do_allow(int argc
, char **argv
);
95 static int zfs_do_unallow(int argc
, char **argv
);
96 static int zfs_do_hold(int argc
, char **argv
);
97 static int zfs_do_holds(int argc
, char **argv
);
98 static int zfs_do_release(int argc
, char **argv
);
99 static int zfs_do_diff(int argc
, char **argv
);
102 * Enable a reasonable set of defaults for libumem debugging on DEBUG builds.
107 _umem_debug_init(void)
109 return ("default,verbose"); /* $UMEM_DEBUG setting */
113 _umem_logging_init(void)
115 return ("fail,contents"); /* $UMEM_LOGGING setting */
148 typedef struct zfs_command
{
150 int (*func
)(int argc
, char **argv
);
155 * Master command table. Each ZFS command has a name, associated function, and
156 * usage message. The usage messages need to be internationalized, so we have
157 * to have a function to return the usage message based on a command index.
159 * These commands are organized according to how they are displayed in the usage
160 * message. An empty command (one with a NULL name) indicates an empty line in
161 * the generic usage message.
163 static zfs_command_t command_table
[] = {
164 { "create", zfs_do_create
, HELP_CREATE
},
165 { "destroy", zfs_do_destroy
, HELP_DESTROY
},
167 { "snapshot", zfs_do_snapshot
, HELP_SNAPSHOT
},
168 { "rollback", zfs_do_rollback
, HELP_ROLLBACK
},
169 { "clone", zfs_do_clone
, HELP_CLONE
},
170 { "promote", zfs_do_promote
, HELP_PROMOTE
},
171 { "rename", zfs_do_rename
, HELP_RENAME
},
173 { "list", zfs_do_list
, HELP_LIST
},
175 { "set", zfs_do_set
, HELP_SET
},
176 { "get", zfs_do_get
, HELP_GET
},
177 { "inherit", zfs_do_inherit
, HELP_INHERIT
},
178 { "upgrade", zfs_do_upgrade
, HELP_UPGRADE
},
179 { "userspace", zfs_do_userspace
, HELP_USERSPACE
},
180 { "groupspace", zfs_do_userspace
, HELP_GROUPSPACE
},
182 { "mount", zfs_do_mount
, HELP_MOUNT
},
183 { "unmount", zfs_do_unmount
, HELP_UNMOUNT
},
184 { "share", zfs_do_share
, HELP_SHARE
},
185 { "unshare", zfs_do_unshare
, HELP_UNSHARE
},
187 { "send", zfs_do_send
, HELP_SEND
},
188 { "receive", zfs_do_receive
, HELP_RECEIVE
},
190 { "allow", zfs_do_allow
, HELP_ALLOW
},
192 { "unallow", zfs_do_unallow
, HELP_UNALLOW
},
194 { "hold", zfs_do_hold
, HELP_HOLD
},
195 { "holds", zfs_do_holds
, HELP_HOLDS
},
196 { "release", zfs_do_release
, HELP_RELEASE
},
197 { "diff", zfs_do_diff
, HELP_DIFF
},
200 #define NCOMMAND (sizeof (command_table) / sizeof (command_table[0]))
202 zfs_command_t
*current_command
;
205 get_usage(zfs_help_t idx
)
209 return (gettext("\tclone [-p] [-o property=value] ... "
210 "<snapshot> <filesystem|volume>\n"));
212 return (gettext("\tcreate [-p] [-o property=value] ... "
214 "\tcreate [-ps] [-b blocksize] [-o property=value] ... "
215 "-V <size> <volume>\n"));
217 return (gettext("\tdestroy [-fnpRrv] <filesystem|volume>\n"
218 "\tdestroy [-dnpRrv] "
219 "<filesystem|volume>@<snap>[%<snap>][,...]\n"));
221 return (gettext("\tget [-rHp] [-d max] "
222 "[-o \"all\" | field[,...]] [-t type[,...]] "
223 "[-s source[,...]]\n"
224 "\t <\"all\" | property[,...]> "
225 "[filesystem|volume|snapshot] ...\n"));
227 return (gettext("\tinherit [-rS] <property> "
228 "<filesystem|volume|snapshot> ...\n"));
230 return (gettext("\tupgrade [-v]\n"
231 "\tupgrade [-r] [-V version] <-a | filesystem ...>\n"));
233 return (gettext("\tlist [-rH][-d max] "
234 "[-o property[,...]] [-t type[,...]] [-s property] ...\n"
235 "\t [-S property] ... "
236 "[filesystem|volume|snapshot|snap] ...\n"));
238 return (gettext("\tmount\n"
239 "\tmount [-vO] [-o opts] <-a | filesystem>\n"));
241 return (gettext("\tpromote <clone-filesystem>\n"));
243 return (gettext("\treceive [-vnFu] <filesystem|volume|"
245 "\treceive [-vnFu] [-d | -e] <filesystem>\n"));
247 return (gettext("\trename [-f] <filesystem|volume|snapshot> "
248 "<filesystem|volume|snapshot>\n"
249 "\trename [-f] -p <filesystem|volume> <filesystem|volume>\n"
250 "\trename -r <snapshot> <snapshot>"));
252 return (gettext("\trollback [-rRf] <snapshot>\n"));
254 return (gettext("\tsend [-DnPpRrv] [-[iI] snapshot] "
257 return (gettext("\tset <property=value> "
258 "<filesystem|volume|snapshot> ...\n"));
260 return (gettext("\tshare <-a | filesystem>\n"));
262 return (gettext("\tsnapshot|snap [-r] [-o property=value] ... "
263 "<filesystem@snapname|volume@snapname>\n"));
265 return (gettext("\tunmount [-f] "
266 "<-a | filesystem|mountpoint>\n"));
268 return (gettext("\tunshare "
269 "<-a | filesystem|mountpoint>\n"));
271 return (gettext("\tallow <filesystem|volume>\n"
273 "<\"everyone\"|user|group>[,...] <perm|@setname>[,...]\n"
274 "\t <filesystem|volume>\n"
275 "\tallow [-ld] -e <perm|@setname>[,...] "
276 "<filesystem|volume>\n"
277 "\tallow -c <perm|@setname>[,...] <filesystem|volume>\n"
278 "\tallow -s @setname <perm|@setname>[,...] "
279 "<filesystem|volume>\n"));
281 return (gettext("\tunallow [-rldug] "
282 "<\"everyone\"|user|group>[,...]\n"
283 "\t [<perm|@setname>[,...]] <filesystem|volume>\n"
284 "\tunallow [-rld] -e [<perm|@setname>[,...]] "
285 "<filesystem|volume>\n"
286 "\tunallow [-r] -c [<perm|@setname>[,...]] "
287 "<filesystem|volume>\n"
288 "\tunallow [-r] -s @setname [<perm|@setname>[,...]] "
289 "<filesystem|volume>\n"));
291 return (gettext("\tuserspace [-hniHp] [-o field[,...]] "
292 "[-sS field] ... [-t type[,...]]\n"
293 "\t <filesystem|snapshot>\n"));
294 case HELP_GROUPSPACE
:
295 return (gettext("\tgroupspace [-hniHpU] [-o field[,...]] "
296 "[-sS field] ... [-t type[,...]]\n"
297 "\t <filesystem|snapshot>\n"));
299 return (gettext("\thold [-r] <tag> <snapshot> ...\n"));
301 return (gettext("\tholds [-r] <snapshot> ...\n"));
303 return (gettext("\trelease [-r] <tag> <snapshot> ...\n"));
305 return (gettext("\tdiff [-FHt] <snapshot> "
306 "[snapshot|filesystem]\n"));
316 (void) fprintf(stderr
, gettext("internal error: out of memory\n"));
321 * Utility function to guarantee malloc() success.
325 safe_malloc(size_t size
)
329 if ((data
= calloc(1, size
)) == NULL
)
336 safe_strdup(char *str
)
338 char *dupstr
= strdup(str
);
347 * Callback routine that will print out information for each of
351 usage_prop_cb(int prop
, void *cb
)
355 (void) fprintf(fp
, "\t%-15s ", zfs_prop_to_name(prop
));
357 if (zfs_prop_readonly(prop
))
358 (void) fprintf(fp
, " NO ");
360 (void) fprintf(fp
, "YES ");
362 if (zfs_prop_inheritable(prop
))
363 (void) fprintf(fp
, " YES ");
365 (void) fprintf(fp
, " NO ");
367 if (zfs_prop_values(prop
) == NULL
)
368 (void) fprintf(fp
, "-\n");
370 (void) fprintf(fp
, "%s\n", zfs_prop_values(prop
));
376 * Display usage message. If we're inside a command, display only the usage for
377 * that command. Otherwise, iterate over the entire command table and display
378 * a complete usage message.
381 usage(boolean_t requested
)
384 boolean_t show_properties
= B_FALSE
;
385 FILE *fp
= requested
? stdout
: stderr
;
387 if (current_command
== NULL
) {
389 (void) fprintf(fp
, gettext("usage: zfs command args ...\n"));
391 gettext("where 'command' is one of the following:\n\n"));
393 for (i
= 0; i
< NCOMMAND
; i
++) {
394 if (command_table
[i
].name
== NULL
)
395 (void) fprintf(fp
, "\n");
397 (void) fprintf(fp
, "%s",
398 get_usage(command_table
[i
].usage
));
401 (void) fprintf(fp
, gettext("\nEach dataset is of the form: "
402 "pool/[dataset/]*dataset[@name]\n"));
404 (void) fprintf(fp
, gettext("usage:\n"));
405 (void) fprintf(fp
, "%s", get_usage(current_command
->usage
));
408 if (current_command
!= NULL
&&
409 (strcmp(current_command
->name
, "set") == 0 ||
410 strcmp(current_command
->name
, "get") == 0 ||
411 strcmp(current_command
->name
, "inherit") == 0 ||
412 strcmp(current_command
->name
, "list") == 0))
413 show_properties
= B_TRUE
;
415 if (show_properties
) {
417 gettext("\nThe following properties are supported:\n"));
419 (void) fprintf(fp
, "\n\t%-14s %s %s %s\n\n",
420 "PROPERTY", "EDIT", "INHERIT", "VALUES");
422 /* Iterate over all properties */
423 (void) zprop_iter(usage_prop_cb
, fp
, B_FALSE
, B_TRUE
,
426 (void) fprintf(fp
, "\t%-15s ", "userused@...");
427 (void) fprintf(fp
, " NO NO <size>\n");
428 (void) fprintf(fp
, "\t%-15s ", "groupused@...");
429 (void) fprintf(fp
, " NO NO <size>\n");
430 (void) fprintf(fp
, "\t%-15s ", "userquota@...");
431 (void) fprintf(fp
, "YES NO <size> | none\n");
432 (void) fprintf(fp
, "\t%-15s ", "groupquota@...");
433 (void) fprintf(fp
, "YES NO <size> | none\n");
434 (void) fprintf(fp
, "\t%-15s ", "written@<snap>");
435 (void) fprintf(fp
, " NO NO <size>\n");
437 (void) fprintf(fp
, gettext("\nSizes are specified in bytes "
438 "with standard units such as K, M, G, etc.\n"));
439 (void) fprintf(fp
, gettext("\nUser-defined properties can "
440 "be specified by using a name containing a colon (:).\n"));
441 (void) fprintf(fp
, gettext("\nThe {user|group}{used|quota}@ "
442 "properties must be appended with\n"
443 "a user or group specifier of one of these forms:\n"
444 " POSIX name (eg: \"matt\")\n"
445 " POSIX id (eg: \"126829\")\n"
446 " SMB name@domain (eg: \"matt@sun\")\n"
447 " SMB SID (eg: \"S-1-234-567-89\")\n"));
450 gettext("\nFor the property list, run: %s\n"),
453 gettext("\nFor the delegated permission list, run: %s\n"),
454 "zfs allow|unallow");
458 * See comments at end of main().
460 if (getenv("ZFS_ABORT") != NULL
) {
461 (void) printf("dumping core by request\n");
465 exit(requested
? 0 : 2);
469 parseprop(nvlist_t
*props
)
471 char *propname
= optarg
;
472 char *propval
, *strval
;
474 if ((propval
= strchr(propname
, '=')) == NULL
) {
475 (void) fprintf(stderr
, gettext("missing "
476 "'=' for -o option\n"));
481 if (nvlist_lookup_string(props
, propname
, &strval
) == 0) {
482 (void) fprintf(stderr
, gettext("property '%s' "
483 "specified multiple times\n"), propname
);
486 if (nvlist_add_string(props
, propname
, propval
) != 0)
492 parse_depth(char *opt
, int *flags
)
497 depth
= (int)strtol(opt
, &tmp
, 0);
499 (void) fprintf(stderr
,
500 gettext("%s is not an integer\n"), optarg
);
504 (void) fprintf(stderr
,
505 gettext("Depth can not be negative.\n"));
508 *flags
|= (ZFS_ITER_DEPTH_LIMIT
|ZFS_ITER_RECURSE
);
512 #define PROGRESS_DELAY 2 /* seconds */
514 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";
515 static time_t pt_begin
;
516 static char *pt_header
= NULL
;
517 static boolean_t pt_shown
;
520 start_progress_timer(void)
522 pt_begin
= time(NULL
) + PROGRESS_DELAY
;
527 set_progress_header(char *header
)
529 assert(pt_header
== NULL
);
530 pt_header
= safe_strdup(header
);
532 (void) printf("%s: ", header
);
533 (void) fflush(stdout
);
538 update_progress(char *update
)
540 if (!pt_shown
&& time(NULL
) > pt_begin
) {
541 int len
= strlen(update
);
543 (void) printf("%s: %s%*.*s", pt_header
, update
, len
, len
,
545 (void) fflush(stdout
);
547 } else if (pt_shown
) {
548 int len
= strlen(update
);
550 (void) printf("%s%*.*s", update
, len
, len
, pt_reverse
);
551 (void) fflush(stdout
);
556 finish_progress(char *done
)
559 (void) printf("%s\n", done
);
560 (void) fflush(stdout
);
567 * zfs clone [-p] [-o prop=value] ... <snap> <fs | vol>
569 * Given an existing dataset, create a writable copy whose initial contents
570 * are the same as the source. The newly created dataset maintains a
571 * dependency on the original; the original cannot be destroyed so long as
574 * The '-p' flag creates all the non-existing ancestors of the target first.
577 zfs_do_clone(int argc
, char **argv
)
579 zfs_handle_t
*zhp
= NULL
;
580 boolean_t parents
= B_FALSE
;
585 if (nvlist_alloc(&props
, NV_UNIQUE_NAME
, 0) != 0)
589 while ((c
= getopt(argc
, argv
, "o:p")) != -1) {
592 if (parseprop(props
))
599 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
608 /* check number of arguments */
610 (void) fprintf(stderr
, gettext("missing source dataset "
615 (void) fprintf(stderr
, gettext("missing target dataset "
620 (void) fprintf(stderr
, gettext("too many arguments\n"));
624 /* open the source dataset */
625 if ((zhp
= zfs_open(g_zfs
, argv
[0], ZFS_TYPE_SNAPSHOT
)) == NULL
)
628 if (parents
&& zfs_name_valid(argv
[1], ZFS_TYPE_FILESYSTEM
|
631 * Now create the ancestors of the target dataset. If the
632 * target already exists and '-p' option was used we should not
635 if (zfs_dataset_exists(g_zfs
, argv
[1], ZFS_TYPE_FILESYSTEM
|
638 if (zfs_create_ancestors(g_zfs
, argv
[1]) != 0)
643 ret
= zfs_clone(zhp
, argv
[1], props
);
645 /* create the mountpoint if necessary */
649 clone
= zfs_open(g_zfs
, argv
[1], ZFS_TYPE_DATASET
);
651 if (zfs_get_type(clone
) != ZFS_TYPE_VOLUME
)
652 if ((ret
= zfs_mount(clone
, NULL
, 0)) == 0)
653 ret
= zfs_share(clone
);
672 * zfs create [-p] [-o prop=value] ... fs
673 * zfs create [-ps] [-b blocksize] [-o prop=value] ... -V vol size
675 * Create a new dataset. This command can be used to create filesystems
676 * and volumes. Snapshot creation is handled by 'zfs snapshot'.
677 * For volumes, the user must specify a size to be used.
679 * The '-s' flag applies only to volumes, and indicates that we should not try
680 * to set the reservation for this volume. By default we set a reservation
681 * equal to the size for any volume. For pools with SPA_VERSION >=
682 * SPA_VERSION_REFRESERVATION, we set a refreservation instead.
684 * The '-p' flag creates all the non-existing ancestors of the target first.
687 zfs_do_create(int argc
, char **argv
)
689 zfs_type_t type
= ZFS_TYPE_FILESYSTEM
;
690 zfs_handle_t
*zhp
= NULL
;
691 uint64_t volsize
= 0;
693 boolean_t noreserve
= B_FALSE
;
694 boolean_t bflag
= B_FALSE
;
695 boolean_t parents
= B_FALSE
;
699 int canmount
= ZFS_CANMOUNT_OFF
;
701 if (nvlist_alloc(&props
, NV_UNIQUE_NAME
, 0) != 0)
705 while ((c
= getopt(argc
, argv
, ":V:b:so:p")) != -1) {
708 type
= ZFS_TYPE_VOLUME
;
709 if (zfs_nicestrtonum(g_zfs
, optarg
, &intval
) != 0) {
710 (void) fprintf(stderr
, gettext("bad volume "
711 "size '%s': %s\n"), optarg
,
712 libzfs_error_description(g_zfs
));
716 if (nvlist_add_uint64(props
,
717 zfs_prop_to_name(ZFS_PROP_VOLSIZE
), intval
) != 0)
726 if (zfs_nicestrtonum(g_zfs
, optarg
, &intval
) != 0) {
727 (void) fprintf(stderr
, gettext("bad volume "
728 "block size '%s': %s\n"), optarg
,
729 libzfs_error_description(g_zfs
));
733 if (nvlist_add_uint64(props
,
734 zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE
),
739 if (parseprop(props
))
746 (void) fprintf(stderr
, gettext("missing size "
751 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
757 if ((bflag
|| noreserve
) && type
!= ZFS_TYPE_VOLUME
) {
758 (void) fprintf(stderr
, gettext("'-s' and '-b' can only be "
759 "used when creating a volume\n"));
766 /* check number of arguments */
768 (void) fprintf(stderr
, gettext("missing %s argument\n"),
769 zfs_type_to_name(type
));
773 (void) fprintf(stderr
, gettext("too many arguments\n"));
777 if (type
== ZFS_TYPE_VOLUME
&& !noreserve
) {
778 zpool_handle_t
*zpool_handle
;
779 uint64_t spa_version
;
781 zfs_prop_t resv_prop
;
784 if ((p
= strchr(argv
[0], '/')))
786 zpool_handle
= zpool_open(g_zfs
, argv
[0]);
789 if (zpool_handle
== NULL
)
791 spa_version
= zpool_get_prop_int(zpool_handle
,
792 ZPOOL_PROP_VERSION
, NULL
);
793 zpool_close(zpool_handle
);
794 if (spa_version
>= SPA_VERSION_REFRESERVATION
)
795 resv_prop
= ZFS_PROP_REFRESERVATION
;
797 resv_prop
= ZFS_PROP_RESERVATION
;
798 volsize
= zvol_volsize_to_reservation(volsize
, props
);
800 if (nvlist_lookup_string(props
, zfs_prop_to_name(resv_prop
),
802 if (nvlist_add_uint64(props
,
803 zfs_prop_to_name(resv_prop
), volsize
) != 0) {
810 if (parents
&& zfs_name_valid(argv
[0], type
)) {
812 * Now create the ancestors of target dataset. If the target
813 * already exists and '-p' option was used we should not
816 if (zfs_dataset_exists(g_zfs
, argv
[0], type
)) {
820 if (zfs_create_ancestors(g_zfs
, argv
[0]) != 0)
825 if (zfs_create(g_zfs
, argv
[0], type
, props
) != 0)
828 if ((zhp
= zfs_open(g_zfs
, argv
[0], ZFS_TYPE_DATASET
)) == NULL
)
833 * if the user doesn't want the dataset automatically mounted,
834 * then skip the mount/share step
836 if (zfs_prop_valid_for_type(ZFS_PROP_CANMOUNT
, type
))
837 canmount
= zfs_prop_get_int(zhp
, ZFS_PROP_CANMOUNT
);
840 * Mount and/or share the new filesystem as appropriate. We provide a
841 * verbose error message to let the user know that their filesystem was
842 * in fact created, even if we failed to mount or share it.
844 if (canmount
== ZFS_CANMOUNT_ON
) {
845 if (zfs_mount(zhp
, NULL
, 0) != 0) {
846 (void) fprintf(stderr
, gettext("filesystem "
847 "successfully created, but not mounted\n"));
849 } else if (zfs_share(zhp
) != 0) {
850 (void) fprintf(stderr
, gettext("filesystem "
851 "successfully created, but not shared\n"));
868 * zfs destroy [-rRf] <fs, vol>
869 * zfs destroy [-rRd] <snap>
871 * -r Recursively destroy all children
872 * -R Recursively destroy all dependents, including clones
873 * -f Force unmounting of any dependents
874 * -d If we can't destroy now, mark for deferred destruction
876 * Destroys the given dataset. By default, it will unmount any filesystems,
877 * and refuse to destroy a dataset that has any dependents. A dependent can
878 * either be a child, or a clone of a child.
880 typedef struct destroy_cbdata
{
883 boolean_t cb_recurse
;
885 boolean_t cb_doclones
;
886 zfs_handle_t
*cb_target
;
887 boolean_t cb_defer_destroy
;
888 boolean_t cb_verbose
;
889 boolean_t cb_parsable
;
893 /* first snap in contiguous run */
894 zfs_handle_t
*cb_firstsnap
;
895 /* previous snap in contiguous run */
896 zfs_handle_t
*cb_prevsnap
;
902 * Check for any dependents based on the '-r' or '-R' flags.
905 destroy_check_dependent(zfs_handle_t
*zhp
, void *data
)
907 destroy_cbdata_t
*cbp
= data
;
908 const char *tname
= zfs_get_name(cbp
->cb_target
);
909 const char *name
= zfs_get_name(zhp
);
911 if (strncmp(tname
, name
, strlen(tname
)) == 0 &&
912 (name
[strlen(tname
)] == '/' || name
[strlen(tname
)] == '@')) {
914 * This is a direct descendant, not a clone somewhere else in
921 (void) fprintf(stderr
, gettext("cannot destroy '%s': "
922 "%s has children\n"),
923 zfs_get_name(cbp
->cb_target
),
924 zfs_type_to_name(zfs_get_type(cbp
->cb_target
)));
925 (void) fprintf(stderr
, gettext("use '-r' to destroy "
926 "the following datasets:\n"));
927 cbp
->cb_first
= B_FALSE
;
928 cbp
->cb_error
= B_TRUE
;
931 (void) fprintf(stderr
, "%s\n", zfs_get_name(zhp
));
934 * This is a clone. We only want to report this if the '-r'
935 * wasn't specified, or the target is a snapshot.
937 if (!cbp
->cb_recurse
&&
938 zfs_get_type(cbp
->cb_target
) != ZFS_TYPE_SNAPSHOT
)
942 (void) fprintf(stderr
, gettext("cannot destroy '%s': "
943 "%s has dependent clones\n"),
944 zfs_get_name(cbp
->cb_target
),
945 zfs_type_to_name(zfs_get_type(cbp
->cb_target
)));
946 (void) fprintf(stderr
, gettext("use '-R' to destroy "
947 "the following datasets:\n"));
948 cbp
->cb_first
= B_FALSE
;
949 cbp
->cb_error
= B_TRUE
;
950 cbp
->cb_dryrun
= B_TRUE
;
953 (void) fprintf(stderr
, "%s\n", zfs_get_name(zhp
));
962 destroy_callback(zfs_handle_t
*zhp
, void *data
)
964 destroy_cbdata_t
*cb
= data
;
965 const char *name
= zfs_get_name(zhp
);
967 if (cb
->cb_verbose
) {
968 if (cb
->cb_parsable
) {
969 (void) printf("destroy\t%s\n", name
);
970 } else if (cb
->cb_dryrun
) {
971 (void) printf(gettext("would destroy %s\n"),
974 (void) printf(gettext("will destroy %s\n"),
980 * Ignore pools (which we've already flagged as an error before getting
983 if (strchr(zfs_get_name(zhp
), '/') == NULL
&&
984 zfs_get_type(zhp
) == ZFS_TYPE_FILESYSTEM
) {
989 if (!cb
->cb_dryrun
) {
990 if (zfs_unmount(zhp
, NULL
, cb
->cb_force
? MS_FORCE
: 0) != 0 ||
991 zfs_destroy(zhp
, cb
->cb_defer_destroy
) != 0) {
1002 destroy_print_cb(zfs_handle_t
*zhp
, void *arg
)
1004 destroy_cbdata_t
*cb
= arg
;
1005 const char *name
= zfs_get_name(zhp
);
1008 if (nvlist_exists(cb
->cb_nvl
, name
)) {
1009 if (cb
->cb_firstsnap
== NULL
)
1010 cb
->cb_firstsnap
= zfs_handle_dup(zhp
);
1011 if (cb
->cb_prevsnap
!= NULL
)
1012 zfs_close(cb
->cb_prevsnap
);
1013 /* this snap continues the current range */
1014 cb
->cb_prevsnap
= zfs_handle_dup(zhp
);
1015 if (cb
->cb_verbose
) {
1016 if (cb
->cb_parsable
) {
1017 (void) printf("destroy\t%s\n", name
);
1018 } else if (cb
->cb_dryrun
) {
1019 (void) printf(gettext("would destroy %s\n"),
1022 (void) printf(gettext("will destroy %s\n"),
1026 } else if (cb
->cb_firstsnap
!= NULL
) {
1027 /* end of this range */
1029 err
= zfs_get_snapused_int(cb
->cb_firstsnap
,
1030 cb
->cb_prevsnap
, &used
);
1031 cb
->cb_snapused
+= used
;
1032 zfs_close(cb
->cb_firstsnap
);
1033 cb
->cb_firstsnap
= NULL
;
1034 zfs_close(cb
->cb_prevsnap
);
1035 cb
->cb_prevsnap
= NULL
;
1042 destroy_print_snapshots(zfs_handle_t
*fs_zhp
, destroy_cbdata_t
*cb
)
1045 assert(cb
->cb_firstsnap
== NULL
);
1046 assert(cb
->cb_prevsnap
== NULL
);
1047 err
= zfs_iter_snapshots_sorted(fs_zhp
, destroy_print_cb
, cb
);
1048 if (cb
->cb_firstsnap
!= NULL
) {
1051 err
= zfs_get_snapused_int(cb
->cb_firstsnap
,
1052 cb
->cb_prevsnap
, &used
);
1054 cb
->cb_snapused
+= used
;
1055 zfs_close(cb
->cb_firstsnap
);
1056 cb
->cb_firstsnap
= NULL
;
1057 zfs_close(cb
->cb_prevsnap
);
1058 cb
->cb_prevsnap
= NULL
;
1064 snapshot_to_nvl_cb(zfs_handle_t
*zhp
, void *arg
)
1066 destroy_cbdata_t
*cb
= arg
;
1069 /* Check for clones. */
1070 if (!cb
->cb_doclones
&& !cb
->cb_defer_destroy
) {
1071 cb
->cb_target
= zhp
;
1072 cb
->cb_first
= B_TRUE
;
1073 err
= zfs_iter_dependents(zhp
, B_TRUE
,
1074 destroy_check_dependent
, cb
);
1078 if (nvlist_add_boolean(cb
->cb_nvl
, zfs_get_name(zhp
)))
1086 gather_snapshots(zfs_handle_t
*zhp
, void *arg
)
1088 destroy_cbdata_t
*cb
= arg
;
1091 err
= zfs_iter_snapspec(zhp
, cb
->cb_snapspec
, snapshot_to_nvl_cb
, cb
);
1097 if (cb
->cb_verbose
) {
1098 err
= destroy_print_snapshots(zhp
, cb
);
1104 err
= zfs_iter_filesystems(zhp
, gather_snapshots
, cb
);
1112 destroy_clones(destroy_cbdata_t
*cb
)
1115 for (pair
= nvlist_next_nvpair(cb
->cb_nvl
, NULL
);
1117 pair
= nvlist_next_nvpair(cb
->cb_nvl
, pair
)) {
1118 zfs_handle_t
*zhp
= zfs_open(g_zfs
, nvpair_name(pair
),
1121 boolean_t defer
= cb
->cb_defer_destroy
;
1125 * We can't defer destroy non-snapshots, so set it to
1126 * false while destroying the clones.
1128 cb
->cb_defer_destroy
= B_FALSE
;
1129 err
= zfs_iter_dependents(zhp
, B_FALSE
,
1130 destroy_callback
, cb
);
1131 cb
->cb_defer_destroy
= defer
;
1141 zfs_do_destroy(int argc
, char **argv
)
1143 destroy_cbdata_t cb
= { 0 };
1147 zfs_type_t type
= ZFS_TYPE_DATASET
;
1150 while ((c
= getopt(argc
, argv
, "vpndfrR")) != -1) {
1153 cb
.cb_verbose
= B_TRUE
;
1156 cb
.cb_verbose
= B_TRUE
;
1157 cb
.cb_parsable
= B_TRUE
;
1160 cb
.cb_dryrun
= B_TRUE
;
1163 cb
.cb_defer_destroy
= B_TRUE
;
1164 type
= ZFS_TYPE_SNAPSHOT
;
1167 cb
.cb_force
= B_TRUE
;
1170 cb
.cb_recurse
= B_TRUE
;
1173 cb
.cb_recurse
= B_TRUE
;
1174 cb
.cb_doclones
= B_TRUE
;
1178 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
1187 /* check number of arguments */
1189 (void) fprintf(stderr
, gettext("missing dataset argument\n"));
1193 (void) fprintf(stderr
, gettext("too many arguments\n"));
1197 at
= strchr(argv
[0], '@');
1201 /* Build the list of snaps to destroy in cb_nvl. */
1202 if (nvlist_alloc(&cb
.cb_nvl
, NV_UNIQUE_NAME
, 0) != 0)
1206 zhp
= zfs_open(g_zfs
, argv
[0],
1207 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
);
1211 cb
.cb_snapspec
= at
+ 1;
1212 if (gather_snapshots(zfs_handle_dup(zhp
), &cb
) != 0 ||
1215 nvlist_free(cb
.cb_nvl
);
1219 if (nvlist_empty(cb
.cb_nvl
)) {
1220 (void) fprintf(stderr
, gettext("could not find any "
1221 "snapshots to destroy; check snapshot names.\n"));
1223 nvlist_free(cb
.cb_nvl
);
1227 if (cb
.cb_verbose
) {
1229 zfs_nicenum(cb
.cb_snapused
, buf
, sizeof (buf
));
1230 if (cb
.cb_parsable
) {
1231 (void) printf("reclaim\t%llu\n",
1232 (u_longlong_t
)cb
.cb_snapused
);
1233 } else if (cb
.cb_dryrun
) {
1234 (void) printf(gettext("would reclaim %s\n"),
1237 (void) printf(gettext("will reclaim %s\n"),
1242 if (!cb
.cb_dryrun
) {
1244 err
= destroy_clones(&cb
);
1246 err
= zfs_destroy_snaps_nvl(zhp
, cb
.cb_nvl
,
1247 cb
.cb_defer_destroy
);
1252 nvlist_free(cb
.cb_nvl
);
1256 /* Open the given dataset */
1257 if ((zhp
= zfs_open(g_zfs
, argv
[0], type
)) == NULL
)
1263 * Perform an explicit check for pools before going any further.
1265 if (!cb
.cb_recurse
&& strchr(zfs_get_name(zhp
), '/') == NULL
&&
1266 zfs_get_type(zhp
) == ZFS_TYPE_FILESYSTEM
) {
1267 (void) fprintf(stderr
, gettext("cannot destroy '%s': "
1268 "operation does not apply to pools\n"),
1270 (void) fprintf(stderr
, gettext("use 'zfs destroy -r "
1271 "%s' to destroy all datasets in the pool\n"),
1273 (void) fprintf(stderr
, gettext("use 'zpool destroy %s' "
1274 "to destroy the pool itself\n"), zfs_get_name(zhp
));
1280 * Check for any dependents and/or clones.
1282 cb
.cb_first
= B_TRUE
;
1283 if (!cb
.cb_doclones
&&
1284 zfs_iter_dependents(zhp
, B_TRUE
, destroy_check_dependent
,
1295 if (zfs_iter_dependents(zhp
, B_FALSE
, destroy_callback
,
1302 * Do the real thing. The callback will close the
1303 * handle regardless of whether it succeeds or not.
1305 if (destroy_callback(zhp
, &cb
) != 0)
1313 is_recvd_column(zprop_get_cbdata_t
*cbp
)
1316 zfs_get_column_t col
;
1318 for (i
= 0; i
< ZFS_GET_NCOLS
&&
1319 (col
= cbp
->cb_columns
[i
]) != GET_COL_NONE
; i
++)
1320 if (col
== GET_COL_RECVD
)
1326 * zfs get [-rHp] [-o all | field[,field]...] [-s source[,source]...]
1327 * < all | property[,property]... > < fs | snap | vol > ...
1329 * -r recurse over any child datasets
1330 * -H scripted mode. Headers are stripped, and fields are separated
1331 * by tabs instead of spaces.
1332 * -o Set of fields to display. One of "name,property,value,
1333 * received,source". Default is "name,property,value,source".
1334 * "all" is an alias for all five.
1335 * -s Set of sources to allow. One of
1336 * "local,default,inherited,received,temporary,none". Default is
1338 * -p Display values in parsable (literal) format.
1340 * Prints properties for the given datasets. The user can control which
1341 * columns to display as well as which property types to allow.
1345 * Invoked to display the properties for a single dataset.
1348 get_callback(zfs_handle_t
*zhp
, void *data
)
1350 char buf
[ZFS_MAXPROPLEN
];
1351 char rbuf
[ZFS_MAXPROPLEN
];
1352 zprop_source_t sourcetype
;
1353 char source
[ZFS_MAXNAMELEN
];
1354 zprop_get_cbdata_t
*cbp
= data
;
1355 nvlist_t
*user_props
= zfs_get_user_props(zhp
);
1356 zprop_list_t
*pl
= cbp
->cb_proplist
;
1360 boolean_t received
= is_recvd_column(cbp
);
1362 for (; pl
!= NULL
; pl
= pl
->pl_next
) {
1363 char *recvdval
= NULL
;
1365 * Skip the special fake placeholder. This will also skip over
1366 * the name property when 'all' is specified.
1368 if (pl
->pl_prop
== ZFS_PROP_NAME
&&
1369 pl
== cbp
->cb_proplist
)
1372 if (pl
->pl_prop
!= ZPROP_INVAL
) {
1373 if (zfs_prop_get(zhp
, pl
->pl_prop
, buf
,
1374 sizeof (buf
), &sourcetype
, source
,
1376 cbp
->cb_literal
) != 0) {
1379 if (!zfs_prop_valid_for_type(pl
->pl_prop
,
1380 ZFS_TYPE_DATASET
)) {
1381 (void) fprintf(stderr
,
1382 gettext("No such property '%s'\n"),
1383 zfs_prop_to_name(pl
->pl_prop
));
1386 sourcetype
= ZPROP_SRC_NONE
;
1387 (void) strlcpy(buf
, "-", sizeof (buf
));
1390 if (received
&& (zfs_prop_get_recvd(zhp
,
1391 zfs_prop_to_name(pl
->pl_prop
), rbuf
, sizeof (rbuf
),
1392 cbp
->cb_literal
) == 0))
1395 zprop_print_one_property(zfs_get_name(zhp
), cbp
,
1396 zfs_prop_to_name(pl
->pl_prop
),
1397 buf
, sourcetype
, source
, recvdval
);
1398 } else if (zfs_prop_userquota(pl
->pl_user_prop
)) {
1399 sourcetype
= ZPROP_SRC_LOCAL
;
1401 if (zfs_prop_get_userquota(zhp
, pl
->pl_user_prop
,
1402 buf
, sizeof (buf
), cbp
->cb_literal
) != 0) {
1403 sourcetype
= ZPROP_SRC_NONE
;
1404 (void) strlcpy(buf
, "-", sizeof (buf
));
1407 zprop_print_one_property(zfs_get_name(zhp
), cbp
,
1408 pl
->pl_user_prop
, buf
, sourcetype
, source
, NULL
);
1409 } else if (zfs_prop_written(pl
->pl_user_prop
)) {
1410 sourcetype
= ZPROP_SRC_LOCAL
;
1412 if (zfs_prop_get_written(zhp
, pl
->pl_user_prop
,
1413 buf
, sizeof (buf
), cbp
->cb_literal
) != 0) {
1414 sourcetype
= ZPROP_SRC_NONE
;
1415 (void) strlcpy(buf
, "-", sizeof (buf
));
1418 zprop_print_one_property(zfs_get_name(zhp
), cbp
,
1419 pl
->pl_user_prop
, buf
, sourcetype
, source
, NULL
);
1421 if (nvlist_lookup_nvlist(user_props
,
1422 pl
->pl_user_prop
, &propval
) != 0) {
1425 sourcetype
= ZPROP_SRC_NONE
;
1428 verify(nvlist_lookup_string(propval
,
1429 ZPROP_VALUE
, &strval
) == 0);
1430 verify(nvlist_lookup_string(propval
,
1431 ZPROP_SOURCE
, &sourceval
) == 0);
1433 if (strcmp(sourceval
,
1434 zfs_get_name(zhp
)) == 0) {
1435 sourcetype
= ZPROP_SRC_LOCAL
;
1436 } else if (strcmp(sourceval
,
1437 ZPROP_SOURCE_VAL_RECVD
) == 0) {
1438 sourcetype
= ZPROP_SRC_RECEIVED
;
1440 sourcetype
= ZPROP_SRC_INHERITED
;
1441 (void) strlcpy(source
,
1442 sourceval
, sizeof (source
));
1446 if (received
&& (zfs_prop_get_recvd(zhp
,
1447 pl
->pl_user_prop
, rbuf
, sizeof (rbuf
),
1448 cbp
->cb_literal
) == 0))
1451 zprop_print_one_property(zfs_get_name(zhp
), cbp
,
1452 pl
->pl_user_prop
, strval
, sourcetype
,
1461 zfs_do_get(int argc
, char **argv
)
1463 zprop_get_cbdata_t cb
= { 0 };
1464 int i
, c
, flags
= ZFS_ITER_ARGS_CAN_BE_PATHS
;
1465 int types
= ZFS_TYPE_DATASET
;
1466 char *value
, *fields
;
1469 zprop_list_t fake_name
= { 0 };
1472 * Set up default columns and sources.
1474 cb
.cb_sources
= ZPROP_SRC_ALL
;
1475 cb
.cb_columns
[0] = GET_COL_NAME
;
1476 cb
.cb_columns
[1] = GET_COL_PROPERTY
;
1477 cb
.cb_columns
[2] = GET_COL_VALUE
;
1478 cb
.cb_columns
[3] = GET_COL_SOURCE
;
1479 cb
.cb_type
= ZFS_TYPE_DATASET
;
1482 while ((c
= getopt(argc
, argv
, ":d:o:s:rt:Hp")) != -1) {
1485 cb
.cb_literal
= B_TRUE
;
1488 limit
= parse_depth(optarg
, &flags
);
1491 flags
|= ZFS_ITER_RECURSE
;
1494 cb
.cb_scripted
= B_TRUE
;
1497 (void) fprintf(stderr
, gettext("missing argument for "
1498 "'%c' option\n"), optopt
);
1503 * Process the set of columns to display. We zero out
1504 * the structure to give us a blank slate.
1506 bzero(&cb
.cb_columns
, sizeof (cb
.cb_columns
));
1508 while (*optarg
!= '\0') {
1509 static char *col_subopts
[] =
1510 { "name", "property", "value", "received",
1511 "source", "all", NULL
};
1513 if (i
== ZFS_GET_NCOLS
) {
1514 (void) fprintf(stderr
, gettext("too "
1515 "many fields given to -o "
1520 switch (getsubopt(&optarg
, col_subopts
,
1523 cb
.cb_columns
[i
++] = GET_COL_NAME
;
1526 cb
.cb_columns
[i
++] = GET_COL_PROPERTY
;
1529 cb
.cb_columns
[i
++] = GET_COL_VALUE
;
1532 cb
.cb_columns
[i
++] = GET_COL_RECVD
;
1533 flags
|= ZFS_ITER_RECVD_PROPS
;
1536 cb
.cb_columns
[i
++] = GET_COL_SOURCE
;
1540 (void) fprintf(stderr
,
1541 gettext("\"all\" conflicts "
1542 "with specific fields "
1543 "given to -o option\n"));
1546 cb
.cb_columns
[0] = GET_COL_NAME
;
1547 cb
.cb_columns
[1] = GET_COL_PROPERTY
;
1548 cb
.cb_columns
[2] = GET_COL_VALUE
;
1549 cb
.cb_columns
[3] = GET_COL_RECVD
;
1550 cb
.cb_columns
[4] = GET_COL_SOURCE
;
1551 flags
|= ZFS_ITER_RECVD_PROPS
;
1555 (void) fprintf(stderr
,
1556 gettext("invalid column name "
1565 while (*optarg
!= '\0') {
1566 static char *source_subopts
[] = {
1567 "local", "default", "inherited",
1568 "received", "temporary", "none",
1571 switch (getsubopt(&optarg
, source_subopts
,
1574 cb
.cb_sources
|= ZPROP_SRC_LOCAL
;
1577 cb
.cb_sources
|= ZPROP_SRC_DEFAULT
;
1580 cb
.cb_sources
|= ZPROP_SRC_INHERITED
;
1583 cb
.cb_sources
|= ZPROP_SRC_RECEIVED
;
1586 cb
.cb_sources
|= ZPROP_SRC_TEMPORARY
;
1589 cb
.cb_sources
|= ZPROP_SRC_NONE
;
1592 (void) fprintf(stderr
,
1593 gettext("invalid source "
1602 flags
&= ~ZFS_ITER_PROP_LISTSNAPS
;
1603 while (*optarg
!= '\0') {
1604 static char *type_subopts
[] = { "filesystem",
1605 "volume", "snapshot", "all", NULL
};
1607 switch (getsubopt(&optarg
, type_subopts
,
1610 types
|= ZFS_TYPE_FILESYSTEM
;
1613 types
|= ZFS_TYPE_VOLUME
;
1616 types
|= ZFS_TYPE_SNAPSHOT
;
1619 types
= ZFS_TYPE_DATASET
;
1623 (void) fprintf(stderr
,
1624 gettext("invalid type '%s'\n"),
1632 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
1642 (void) fprintf(stderr
, gettext("missing property "
1649 if (zprop_get_list(g_zfs
, fields
, &cb
.cb_proplist
, ZFS_TYPE_DATASET
)
1657 * As part of zfs_expand_proplist(), we keep track of the maximum column
1658 * width for each property. For the 'NAME' (and 'SOURCE') columns, we
1659 * need to know the maximum name length. However, the user likely did
1660 * not specify 'name' as one of the properties to fetch, so we need to
1661 * make sure we always include at least this property for
1662 * print_get_headers() to work properly.
1664 if (cb
.cb_proplist
!= NULL
) {
1665 fake_name
.pl_prop
= ZFS_PROP_NAME
;
1666 fake_name
.pl_width
= strlen(gettext("NAME"));
1667 fake_name
.pl_next
= cb
.cb_proplist
;
1668 cb
.cb_proplist
= &fake_name
;
1671 cb
.cb_first
= B_TRUE
;
1673 /* run for each object */
1674 ret
= zfs_for_each(argc
, argv
, flags
, types
, NULL
,
1675 &cb
.cb_proplist
, limit
, get_callback
, &cb
);
1677 if (cb
.cb_proplist
== &fake_name
)
1678 zprop_free_list(fake_name
.pl_next
);
1680 zprop_free_list(cb
.cb_proplist
);
1686 * inherit [-rS] <property> <fs|vol> ...
1688 * -r Recurse over all children
1689 * -S Revert to received value, if any
1691 * For each dataset specified on the command line, inherit the given property
1692 * from its parent. Inheriting a property at the pool level will cause it to
1693 * use the default value. The '-r' flag will recurse over all children, and is
1694 * useful for setting a property on a hierarchy-wide basis, regardless of any
1695 * local modifications for each dataset.
1698 typedef struct inherit_cbdata
{
1699 const char *cb_propname
;
1700 boolean_t cb_received
;
1704 inherit_recurse_cb(zfs_handle_t
*zhp
, void *data
)
1706 inherit_cbdata_t
*cb
= data
;
1707 zfs_prop_t prop
= zfs_name_to_prop(cb
->cb_propname
);
1710 * If we're doing it recursively, then ignore properties that
1711 * are not valid for this type of dataset.
1713 if (prop
!= ZPROP_INVAL
&&
1714 !zfs_prop_valid_for_type(prop
, zfs_get_type(zhp
)))
1717 return (zfs_prop_inherit(zhp
, cb
->cb_propname
, cb
->cb_received
) != 0);
1721 inherit_cb(zfs_handle_t
*zhp
, void *data
)
1723 inherit_cbdata_t
*cb
= data
;
1725 return (zfs_prop_inherit(zhp
, cb
->cb_propname
, cb
->cb_received
) != 0);
1729 zfs_do_inherit(int argc
, char **argv
)
1733 inherit_cbdata_t cb
= { 0 };
1737 boolean_t received
= B_FALSE
;
1740 while ((c
= getopt(argc
, argv
, "rS")) != -1) {
1743 flags
|= ZFS_ITER_RECURSE
;
1750 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
1759 /* check number of arguments */
1761 (void) fprintf(stderr
, gettext("missing property argument\n"));
1765 (void) fprintf(stderr
, gettext("missing dataset argument\n"));
1773 if ((prop
= zfs_name_to_prop(propname
)) != ZPROP_INVAL
) {
1774 if (zfs_prop_readonly(prop
)) {
1775 (void) fprintf(stderr
, gettext(
1776 "%s property is read-only\n"),
1780 if (!zfs_prop_inheritable(prop
) && !received
) {
1781 (void) fprintf(stderr
, gettext("'%s' property cannot "
1782 "be inherited\n"), propname
);
1783 if (prop
== ZFS_PROP_QUOTA
||
1784 prop
== ZFS_PROP_RESERVATION
||
1785 prop
== ZFS_PROP_REFQUOTA
||
1786 prop
== ZFS_PROP_REFRESERVATION
)
1787 (void) fprintf(stderr
, gettext("use 'zfs set "
1788 "%s=none' to clear\n"), propname
);
1791 if (received
&& (prop
== ZFS_PROP_VOLSIZE
||
1792 prop
== ZFS_PROP_VERSION
)) {
1793 (void) fprintf(stderr
, gettext("'%s' property cannot "
1794 "be reverted to a received value\n"), propname
);
1797 } else if (!zfs_prop_user(propname
)) {
1798 (void) fprintf(stderr
, gettext("invalid property '%s'\n"),
1803 cb
.cb_propname
= propname
;
1804 cb
.cb_received
= received
;
1806 if (flags
& ZFS_ITER_RECURSE
) {
1807 ret
= zfs_for_each(argc
, argv
, flags
, ZFS_TYPE_DATASET
,
1808 NULL
, NULL
, 0, inherit_recurse_cb
, &cb
);
1810 ret
= zfs_for_each(argc
, argv
, flags
, ZFS_TYPE_DATASET
,
1811 NULL
, NULL
, 0, inherit_cb
, &cb
);
1817 typedef struct upgrade_cbdata
{
1818 uint64_t cb_numupgraded
;
1819 uint64_t cb_numsamegraded
;
1820 uint64_t cb_numfailed
;
1821 uint64_t cb_version
;
1823 boolean_t cb_foundone
;
1824 char cb_lastfs
[ZFS_MAXNAMELEN
];
1828 same_pool(zfs_handle_t
*zhp
, const char *name
)
1830 int len1
= strcspn(name
, "/@");
1831 const char *zhname
= zfs_get_name(zhp
);
1832 int len2
= strcspn(zhname
, "/@");
1836 return (strncmp(name
, zhname
, len1
) == 0);
1840 upgrade_list_callback(zfs_handle_t
*zhp
, void *data
)
1842 upgrade_cbdata_t
*cb
= data
;
1843 int version
= zfs_prop_get_int(zhp
, ZFS_PROP_VERSION
);
1845 /* list if it's old/new */
1846 if ((!cb
->cb_newer
&& version
< ZPL_VERSION
) ||
1847 (cb
->cb_newer
&& version
> ZPL_VERSION
)) {
1850 str
= gettext("The following filesystems are "
1851 "formatted using a newer software version and\n"
1852 "cannot be accessed on the current system.\n\n");
1854 str
= gettext("The following filesystems are "
1855 "out of date, and can be upgraded. After being\n"
1856 "upgraded, these filesystems (and any 'zfs send' "
1857 "streams generated from\n"
1858 "subsequent snapshots) will no longer be "
1859 "accessible by older software versions.\n\n");
1862 if (!cb
->cb_foundone
) {
1864 (void) printf(gettext("VER FILESYSTEM\n"));
1865 (void) printf(gettext("--- ------------\n"));
1866 cb
->cb_foundone
= B_TRUE
;
1869 (void) printf("%2u %s\n", version
, zfs_get_name(zhp
));
1876 upgrade_set_callback(zfs_handle_t
*zhp
, void *data
)
1878 upgrade_cbdata_t
*cb
= data
;
1879 int version
= zfs_prop_get_int(zhp
, ZFS_PROP_VERSION
);
1880 int needed_spa_version
;
1883 if (zfs_spa_version(zhp
, &spa_version
) < 0)
1886 needed_spa_version
= zfs_spa_version_map(cb
->cb_version
);
1888 if (needed_spa_version
< 0)
1891 if (spa_version
< needed_spa_version
) {
1893 (void) printf(gettext("%s: can not be "
1894 "upgraded; the pool version needs to first "
1895 "be upgraded\nto version %d\n\n"),
1896 zfs_get_name(zhp
), needed_spa_version
);
1902 if (version
< cb
->cb_version
) {
1904 (void) snprintf(verstr
, sizeof (verstr
),
1905 "%llu", (u_longlong_t
)cb
->cb_version
);
1906 if (cb
->cb_lastfs
[0] && !same_pool(zhp
, cb
->cb_lastfs
)) {
1908 * If they did "zfs upgrade -a", then we could
1909 * be doing ioctls to different pools. We need
1910 * to log this history once to each pool.
1912 verify(zpool_stage_history(g_zfs
, history_str
) == 0);
1914 if (zfs_prop_set(zhp
, "version", verstr
) == 0)
1915 cb
->cb_numupgraded
++;
1918 (void) strcpy(cb
->cb_lastfs
, zfs_get_name(zhp
));
1919 } else if (version
> cb
->cb_version
) {
1920 /* can't downgrade */
1921 (void) printf(gettext("%s: can not be downgraded; "
1922 "it is already at version %u\n"),
1923 zfs_get_name(zhp
), version
);
1926 cb
->cb_numsamegraded
++;
1934 * zfs upgrade [-r] [-V <version>] <-a | filesystem>
1937 zfs_do_upgrade(int argc
, char **argv
)
1939 boolean_t all
= B_FALSE
;
1940 boolean_t showversions
= B_FALSE
;
1942 upgrade_cbdata_t cb
= { 0 };
1944 int flags
= ZFS_ITER_ARGS_CAN_BE_PATHS
;
1947 while ((c
= getopt(argc
, argv
, "rvV:a")) != -1) {
1950 flags
|= ZFS_ITER_RECURSE
;
1953 showversions
= B_TRUE
;
1956 if (zfs_prop_string_to_index(ZFS_PROP_VERSION
,
1957 optarg
, &cb
.cb_version
) != 0) {
1958 (void) fprintf(stderr
,
1959 gettext("invalid version %s\n"), optarg
);
1968 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
1977 if ((!all
&& !argc
) && ((flags
& ZFS_ITER_RECURSE
) | cb
.cb_version
))
1979 if (showversions
&& (flags
& ZFS_ITER_RECURSE
|| all
||
1980 cb
.cb_version
|| argc
))
1982 if ((all
|| argc
) && (showversions
))
1988 /* Show info on available versions. */
1989 (void) printf(gettext("The following filesystem versions are "
1991 (void) printf(gettext("VER DESCRIPTION\n"));
1992 (void) printf("--- -----------------------------------------"
1993 "---------------\n");
1994 (void) printf(gettext(" 1 Initial ZFS filesystem version\n"));
1995 (void) printf(gettext(" 2 Enhanced directory entries\n"));
1996 (void) printf(gettext(" 3 Case insensitive and filesystem "
1997 "user identifier (FUID)\n"));
1998 (void) printf(gettext(" 4 userquota, groupquota "
2000 (void) printf(gettext(" 5 System attributes\n"));
2001 (void) printf(gettext("\nFor more information on a particular "
2002 "version, including supported releases,\n"));
2003 (void) printf("see the ZFS Administration Guide.\n\n");
2005 } else if (argc
|| all
) {
2006 /* Upgrade filesystems */
2007 if (cb
.cb_version
== 0)
2008 cb
.cb_version
= ZPL_VERSION
;
2009 ret
= zfs_for_each(argc
, argv
, flags
, ZFS_TYPE_FILESYSTEM
,
2010 NULL
, NULL
, 0, upgrade_set_callback
, &cb
);
2011 (void) printf(gettext("%llu filesystems upgraded\n"),
2012 (u_longlong_t
)cb
.cb_numupgraded
);
2013 if (cb
.cb_numsamegraded
) {
2014 (void) printf(gettext("%llu filesystems already at "
2016 (u_longlong_t
)cb
.cb_numsamegraded
);
2018 if (cb
.cb_numfailed
!= 0)
2021 /* List old-version filesytems */
2023 (void) printf(gettext("This system is currently running "
2024 "ZFS filesystem version %llu.\n\n"), ZPL_VERSION
);
2026 flags
|= ZFS_ITER_RECURSE
;
2027 ret
= zfs_for_each(0, NULL
, flags
, ZFS_TYPE_FILESYSTEM
,
2028 NULL
, NULL
, 0, upgrade_list_callback
, &cb
);
2030 found
= cb
.cb_foundone
;
2031 cb
.cb_foundone
= B_FALSE
;
2032 cb
.cb_newer
= B_TRUE
;
2034 ret
= zfs_for_each(0, NULL
, flags
, ZFS_TYPE_FILESYSTEM
,
2035 NULL
, NULL
, 0, upgrade_list_callback
, &cb
);
2037 if (!cb
.cb_foundone
&& !found
) {
2038 (void) printf(gettext("All filesystems are "
2039 "formatted with the current version.\n"));
2046 #define USTYPE_USR_BIT (0)
2047 #define USTYPE_GRP_BIT (1)
2048 #define USTYPE_PSX_BIT (2)
2049 #define USTYPE_SMB_BIT (3)
2051 #define USTYPE_USR (1 << USTYPE_USR_BIT)
2052 #define USTYPE_GRP (1 << USTYPE_GRP_BIT)
2054 #define USTYPE_PSX (1 << USTYPE_PSX_BIT)
2055 #define USTYPE_SMB (1 << USTYPE_SMB_BIT)
2057 #define USTYPE_PSX_USR (USTYPE_PSX | USTYPE_USR)
2058 #define USTYPE_SMB_USR (USTYPE_SMB | USTYPE_USR)
2059 #define USTYPE_PSX_GRP (USTYPE_PSX | USTYPE_GRP)
2060 #define USTYPE_SMB_GRP (USTYPE_SMB | USTYPE_GRP)
2061 #define USTYPE_ALL (USTYPE_PSX_USR | USTYPE_SMB_USR \
2062 | USTYPE_PSX_GRP | USTYPE_SMB_GRP)
2065 #define USPROP_USED_BIT (0)
2066 #define USPROP_QUOTA_BIT (1)
2068 #define USPROP_USED (1 << USPROP_USED_BIT)
2069 #define USPROP_QUOTA (1 << USPROP_QUOTA_BIT)
2071 typedef struct us_node
{
2073 uu_avl_node_t usn_avlnode
;
2074 uu_list_node_t usn_listnode
;
2077 typedef struct us_cbdata
{
2079 uu_avl_pool_t
*cb_avl_pool
;
2081 boolean_t cb_numname
;
2082 boolean_t cb_nicenum
;
2083 boolean_t cb_sid2posix
;
2084 zfs_userquota_prop_t cb_prop
;
2085 zfs_sort_column_t
*cb_sortcol
;
2086 size_t cb_max_typelen
;
2087 size_t cb_max_namelen
;
2088 size_t cb_max_usedlen
;
2089 size_t cb_max_quotalen
;
2093 zfs_sort_column_t
*si_sortcol
;
2094 boolean_t si_num_name
;
2095 boolean_t si_parsable
;
2099 us_compare(const void *larg
, const void *rarg
, void *unused
)
2101 const us_node_t
*l
= larg
;
2102 const us_node_t
*r
= rarg
;
2104 us_sort_info_t
*si
= (us_sort_info_t
*)unused
;
2105 zfs_sort_column_t
*sortcol
= si
->si_sortcol
;
2106 boolean_t num_name
= si
->si_num_name
;
2107 nvlist_t
*lnvl
= l
->usn_nvl
;
2108 nvlist_t
*rnvl
= r
->usn_nvl
;
2110 for (; sortcol
!= NULL
; sortcol
= sortcol
->sc_next
) {
2117 zfs_prop_t prop
= sortcol
->sc_prop
;
2118 const char *propname
= NULL
;
2119 boolean_t reverse
= sortcol
->sc_reverse
;
2124 (void) nvlist_lookup_uint32(lnvl
, propname
, &lv32
);
2125 (void) nvlist_lookup_uint32(rnvl
, propname
, &rv32
);
2127 rc
= (rv32
> lv32
) ? 1 : -1;
2132 (void) nvlist_lookup_uint32(lnvl
, propname
,
2134 (void) nvlist_lookup_uint32(rnvl
, propname
,
2137 rc
= (rv32
> lv32
) ? 1 : -1;
2139 (void) nvlist_lookup_string(lnvl
, propname
,
2141 (void) nvlist_lookup_string(rnvl
, propname
,
2143 rc
= strcmp(lvstr
, rvstr
);
2148 case ZFS_PROP_QUOTA
:
2149 if (ZFS_PROP_USED
== prop
)
2153 (void) nvlist_lookup_uint64(lnvl
, propname
, &lv64
);
2154 (void) nvlist_lookup_uint64(rnvl
, propname
, &rv64
);
2156 rc
= (rv64
> lv64
) ? 1 : -1;
2163 return (reverse
? 1 : -1);
2165 return (reverse
? -1 : 1);
2172 static inline const char *
2173 us_type2str(unsigned field_type
)
2175 switch (field_type
) {
2176 case USTYPE_PSX_USR
:
2177 return ("POSIX User");
2178 case USTYPE_PSX_GRP
:
2179 return ("POSIX Group");
2180 case USTYPE_SMB_USR
:
2181 return ("SMB User");
2182 case USTYPE_SMB_GRP
:
2183 return ("SMB Group");
2185 return ("Undefined");
2193 userspace_cb(void *arg
, const char *domain
, uid_t rid
, uint64_t space
)
2195 us_cbdata_t
*cb
= (us_cbdata_t
*)arg
;
2196 zfs_userquota_prop_t prop
= cb
->cb_prop
;
2202 uu_avl_pool_t
*avl_pool
= cb
->cb_avl_pool
;
2203 uu_avl_t
*avl
= cb
->cb_avl
;
2207 zfs_sort_column_t
*sortcol
= cb
->cb_sortcol
;
2209 const char *typestr
;
2213 us_sort_info_t sortinfo
= { sortcol
, cb
->cb_numname
};
2215 if (domain
== NULL
|| domain
[0] == '\0') {
2217 if (prop
== ZFS_PROP_GROUPUSED
|| prop
== ZFS_PROP_GROUPQUOTA
) {
2218 type
= USTYPE_PSX_GRP
;
2219 struct group
*g
= getgrgid(rid
);
2223 type
= USTYPE_PSX_USR
;
2224 struct passwd
*p
= getpwuid(rid
);
2230 char sid
[ZFS_MAXNAMELEN
+32];
2234 directory_error_t e
;
2236 (void) snprintf(sid
, sizeof (sid
), "%s-%u", domain
, rid
);
2238 if (prop
== ZFS_PROP_GROUPUSED
|| prop
== ZFS_PROP_GROUPQUOTA
) {
2239 type
= USTYPE_SMB_GRP
;
2240 err
= sid_to_id(sid
, B_FALSE
, &id
);
2242 type
= USTYPE_SMB_USR
;
2243 err
= sid_to_id(sid
, B_TRUE
, &id
);
2249 e
= directory_name_from_sid(NULL
, sid
, &name
, &classes
);
2251 directory_error_free(e
);
2260 #endif /* HAVE_IDMAP */
2264 * if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA)
2270 if (prop
== ZFS_PROP_USERUSED
|| prop
== ZFS_PROP_GROUPUSED
)
2275 (void) snprintf(namebuf
, sizeof (namebuf
), "%u", rid
);
2280 zfs_nicenum(space
, sizebuf
, sizeof (sizebuf
));
2282 (void) sprintf(sizebuf
, "%llu", (u_longlong_t
)space
);
2284 node
= safe_malloc(sizeof (us_node_t
));
2285 uu_avl_node_init(node
, &node
->usn_avlnode
, avl_pool
);
2287 if (nvlist_alloc(&props
, NV_UNIQUE_NAME
, 0) != 0) {
2292 if (nvlist_add_uint32(props
, "type", type
) != 0)
2295 if (cb
->cb_numname
) {
2296 if (nvlist_add_uint32(props
, "name", rid
) != 0)
2298 namelen
= strlen(namebuf
);
2300 if (nvlist_add_string(props
, "name", name
) != 0)
2302 namelen
= strlen(name
);
2305 typestr
= us_type2str(type
);
2306 typelen
= strlen(gettext(typestr
));
2307 if (typelen
> cb
->cb_max_typelen
)
2308 cb
->cb_max_typelen
= typelen
;
2310 if (namelen
> cb
->cb_max_namelen
)
2311 cb
->cb_max_namelen
= namelen
;
2313 sizelen
= strlen(sizebuf
);
2314 if (0 == strcmp(propname
, "used")) {
2315 if (sizelen
> cb
->cb_max_usedlen
)
2316 cb
->cb_max_usedlen
= sizelen
;
2318 if (sizelen
> cb
->cb_max_quotalen
)
2319 cb
->cb_max_quotalen
= sizelen
;
2322 node
->usn_nvl
= props
;
2324 n
= uu_avl_find(avl
, node
, &sortinfo
, &idx
);
2326 uu_avl_insert(avl
, node
, idx
);
2331 props
= node
->usn_nvl
;
2334 if (nvlist_add_uint64(props
, propname
, space
) != 0)
2340 static inline boolean_t
2341 usprop_check(zfs_userquota_prop_t p
, unsigned types
, unsigned props
)
2347 case ZFS_PROP_USERUSED
:
2351 case ZFS_PROP_USERQUOTA
:
2353 prop
= USPROP_QUOTA
;
2355 case ZFS_PROP_GROUPUSED
:
2359 case ZFS_PROP_GROUPQUOTA
:
2361 prop
= USPROP_QUOTA
;
2367 return (type
& types
&& prop
& props
);
2370 #define USFIELD_TYPE (1 << 0)
2371 #define USFIELD_NAME (1 << 1)
2372 #define USFIELD_USED (1 << 2)
2373 #define USFIELD_QUOTA (1 << 3)
2374 #define USFIELD_ALL (USFIELD_TYPE | USFIELD_NAME | USFIELD_USED | USFIELD_QUOTA)
2377 parsefields(unsigned *fieldsp
, char **names
, unsigned *bits
, size_t len
)
2379 char *field
= optarg
;
2384 boolean_t found
= B_FALSE
;
2385 delim
= strchr(field
, ',');
2389 for (i
= 0; i
< len
; i
++)
2390 if (0 == strcmp(field
, names
[i
])) {
2392 *fieldsp
|= bits
[i
];
2397 (void) fprintf(stderr
, gettext("invalid type '%s'"
2398 "for -t option\n"), field
);
2409 static char *type_names
[] = { "posixuser", "smbuser", "posixgroup", "smbgroup",
2411 static unsigned type_bits
[] = {
2419 static char *us_field_names
[] = { "type", "name", "used", "quota" };
2420 static unsigned us_field_bits
[] = {
2428 print_us_node(boolean_t scripted
, boolean_t parseable
, unsigned fields
,
2429 size_t type_width
, size_t name_width
, size_t used_width
,
2430 size_t quota_width
, us_node_t
*node
)
2432 nvlist_t
*nvl
= node
->usn_nvl
;
2433 nvpair_t
*nvp
= NULL
;
2434 char valstr
[ZFS_MAXNAMELEN
];
2435 boolean_t first
= B_TRUE
;
2436 boolean_t quota_found
= B_FALSE
;
2438 if (fields
& USFIELD_QUOTA
&& !nvlist_exists(nvl
, "quota"))
2439 if (nvlist_add_string(nvl
, "quota", "none") != 0)
2442 while ((nvp
= nvlist_next_nvpair(nvl
, nvp
)) != NULL
) {
2443 char *pname
= nvpair_name(nvp
);
2444 data_type_t type
= nvpair_type(nvp
);
2447 char *strval
= NULL
;
2451 for (i
= 0; i
< 4; i
++) {
2452 if (0 == strcmp(pname
, us_field_names
[i
])) {
2453 field
= us_field_bits
[i
];
2458 if (!(field
& fields
))
2462 case DATA_TYPE_UINT32
:
2463 (void) nvpair_value_uint32(nvp
, &val32
);
2465 case DATA_TYPE_UINT64
:
2466 (void) nvpair_value_uint64(nvp
, &val64
);
2468 case DATA_TYPE_STRING
:
2469 (void) nvpair_value_string(nvp
, &strval
);
2472 (void) fprintf(stderr
, "Invalid data type\n");
2477 (void) printf("\t");
2484 strval
= (char *)us_type2str(val32
);
2488 if (type
== DATA_TYPE_UINT64
) {
2489 (void) sprintf(valstr
, "%llu",
2490 (u_longlong_t
) val64
);
2497 if (type
== DATA_TYPE_UINT64
) {
2498 (void) nvpair_value_uint64(nvp
, &val64
);
2500 (void) sprintf(valstr
, "%llu",
2501 (u_longlong_t
) val64
);
2503 zfs_nicenum(val64
, valstr
,
2508 if (field
== USFIELD_USED
)
2511 quota_found
= B_FALSE
;
2512 width
= quota_width
;
2518 if (field
== USFIELD_QUOTA
&& !quota_found
)
2519 (void) printf("%*s", width
, strval
);
2521 if (type
== DATA_TYPE_STRING
)
2522 (void) printf("%-*s", width
, strval
);
2524 (void) printf("%*s", width
, strval
);
2531 (void) printf("\n");
2535 print_us(boolean_t scripted
, boolean_t parsable
, unsigned fields
,
2536 unsigned type_width
, unsigned name_width
, unsigned used_width
,
2537 unsigned quota_width
, boolean_t rmnode
, uu_avl_t
*avl
)
2539 static char *us_field_hdr
[] = { "TYPE", "NAME", "USED", "QUOTA" };
2543 int width
[4] = { type_width
, name_width
, used_width
, quota_width
};
2546 boolean_t first
= B_TRUE
;
2547 for (i
= 0; i
< 4; i
++) {
2548 unsigned field
= us_field_bits
[i
];
2549 if (!(field
& fields
))
2552 col
= gettext(us_field_hdr
[i
]);
2553 if (field
== USFIELD_TYPE
|| field
== USFIELD_NAME
)
2554 (void) printf(first
?"%-*s":" %-*s", width
[i
],
2557 (void) printf(first
?"%*s":" %*s", width
[i
],
2561 (void) printf("\n");
2564 for (node
= uu_avl_first(avl
); node
!= NULL
;
2565 node
= uu_avl_next(avl
, node
)) {
2566 print_us_node(scripted
, parsable
, fields
, type_width
,
2567 name_width
, used_width
, used_width
, node
);
2569 nvlist_free(node
->usn_nvl
);
2574 zfs_do_userspace(int argc
, char **argv
)
2577 zfs_userquota_prop_t p
;
2578 uu_avl_pool_t
*avl_pool
;
2580 uu_avl_walk_t
*walk
;
2583 boolean_t scripted
= B_FALSE
;
2584 boolean_t prtnum
= B_FALSE
;
2585 boolean_t parseable
= B_FALSE
;
2586 boolean_t sid2posix
= B_FALSE
;
2589 zfs_sort_column_t
*default_sortcol
= NULL
;
2590 zfs_sort_column_t
*sortcol
= NULL
;
2591 unsigned types
= USTYPE_PSX_USR
| USTYPE_SMB_USR
;
2592 unsigned fields
= 0;
2593 unsigned props
= USPROP_USED
| USPROP_QUOTA
;
2596 boolean_t resort_avl
= B_FALSE
;
2602 if (0 == strcmp(cmd
, "groupspace"))
2603 /* toggle default group types */
2604 types
= USTYPE_PSX_GRP
| USTYPE_SMB_GRP
;
2607 while ((c
= getopt(argc
, argv
, "nHpo:s:S:t:i")) != -1) {
2619 if (parsefields(&fields
, us_field_names
, us_field_bits
,
2624 if (zfs_add_sort_column(&sortcol
, optarg
,
2626 (void) fprintf(stderr
,
2627 gettext("invalid property '%s'\n"), optarg
);
2632 if (zfs_add_sort_column(&sortcol
, optarg
,
2634 (void) fprintf(stderr
,
2635 gettext("invalid property '%s'\n"), optarg
);
2640 if (parsefields(&types
, type_names
, type_bits
, 5))
2647 (void) fprintf(stderr
, gettext("missing argument for "
2648 "'%c' option\n"), optopt
);
2652 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
2661 /* ok, now we have sorted by default colums (type,name) avl tree */
2663 zfs_sort_column_t
*sc
;
2664 for (sc
= sortcol
; sc
; sc
= sc
->sc_next
) {
2665 if (sc
->sc_prop
== ZFS_PROP_QUOTA
) {
2666 resort_avl
= B_TRUE
;
2673 fields
= USFIELD_ALL
;
2675 if ((zhp
= zfs_open(g_zfs
, argv
[argc
-1], ZFS_TYPE_DATASET
)) == NULL
)
2678 if ((avl_pool
= uu_avl_pool_create("us_avl_pool", sizeof (us_node_t
),
2679 offsetof(us_node_t
, usn_avlnode
),
2680 us_compare
, UU_DEFAULT
)) == NULL
)
2682 if ((avl_tree
= uu_avl_create(avl_pool
, NULL
, UU_DEFAULT
)) == NULL
)
2685 if (sortcol
&& !resort_avl
)
2686 cb
.cb_sortcol
= sortcol
;
2688 (void) zfs_add_sort_column(&default_sortcol
, "type", B_FALSE
);
2689 (void) zfs_add_sort_column(&default_sortcol
, "name", B_FALSE
);
2690 cb
.cb_sortcol
= default_sortcol
;
2692 cb
.cb_numname
= prtnum
;
2693 cb
.cb_nicenum
= !parseable
;
2694 cb
.cb_avl_pool
= avl_pool
;
2695 cb
.cb_avl
= avl_tree
;
2696 cb
.cb_sid2posix
= sid2posix
;
2697 cb
.cb_max_typelen
= strlen(gettext("TYPE"));
2698 cb
.cb_max_namelen
= strlen(gettext("NAME"));
2699 cb
.cb_max_usedlen
= strlen(gettext("USED"));
2700 cb
.cb_max_quotalen
= strlen(gettext("QUOTA"));
2702 for (p
= 0; p
< ZFS_NUM_USERQUOTA_PROPS
; p
++) {
2703 if (!usprop_check(p
, types
, props
))
2707 error
= zfs_userspace(zhp
, p
, userspace_cb
, &cb
);
2716 uu_list_pool_t
*listpool
;
2718 uu_avl_index_t idx
= 0;
2719 uu_list_index_t idx2
= 0;
2720 listpool
= uu_list_pool_create("tmplist", sizeof (us_node_t
),
2721 offsetof(us_node_t
, usn_listnode
), NULL
,
2723 list
= uu_list_create(listpool
, NULL
, UU_DEFAULT
);
2725 node
= uu_avl_first(avl_tree
);
2726 uu_list_node_init(node
, &node
->usn_listnode
, listpool
);
2727 while (node
!= NULL
) {
2729 node
= uu_avl_next(avl_tree
, node
);
2730 uu_avl_remove(avl_tree
, rmnode
);
2731 if (uu_list_find(list
, rmnode
, NULL
, &idx2
) == NULL
) {
2732 uu_list_insert(list
, rmnode
, idx2
);
2736 for (node
= uu_list_first(list
); node
!= NULL
;
2737 node
= uu_list_next(list
, node
)) {
2738 us_sort_info_t sortinfo
= { sortcol
, cb
.cb_numname
};
2739 if (uu_avl_find(avl_tree
, node
, &sortinfo
, &idx
) ==
2741 uu_avl_insert(avl_tree
, node
, idx
);
2744 uu_list_destroy(list
);
2747 /* print & free node`s nvlist memory */
2748 print_us(scripted
, parseable
, fields
, cb
.cb_max_typelen
,
2749 cb
.cb_max_namelen
, cb
.cb_max_usedlen
,
2750 cb
.cb_max_quotalen
, B_TRUE
, cb
.cb_avl
);
2753 zfs_free_sort_columns(sortcol
);
2754 zfs_free_sort_columns(default_sortcol
);
2757 * Finally, clean up the AVL tree.
2759 if ((walk
= uu_avl_walk_start(cb
.cb_avl
, UU_WALK_ROBUST
)) == NULL
)
2762 while ((node
= uu_avl_walk_next(walk
)) != NULL
) {
2763 uu_avl_remove(cb
.cb_avl
, node
);
2767 uu_avl_walk_end(walk
);
2768 uu_avl_destroy(avl_tree
);
2769 uu_avl_pool_destroy(avl_pool
);
2775 * list [-r][-d max] [-H] [-o property[,property]...] [-t type[,type]...]
2776 * [-s property [-s property]...] [-S property [-S property]...]
2779 * -r Recurse over all children
2780 * -d Limit recursion by depth.
2781 * -H Scripted mode; elide headers and separate columns by tabs
2782 * -o Control which fields to display.
2783 * -t Control which object types to display.
2784 * -s Specify sort columns, descending order.
2785 * -S Specify sort columns, ascending order.
2787 * When given no arguments, lists all filesystems in the system.
2788 * Otherwise, list the specified datasets, optionally recursing down them if
2789 * '-r' is specified.
2791 typedef struct list_cbdata
{
2793 boolean_t cb_scripted
;
2794 zprop_list_t
*cb_proplist
;
2798 * Given a list of columns to display, output appropriate headers for each one.
2801 print_header(zprop_list_t
*pl
)
2803 char headerbuf
[ZFS_MAXPROPLEN
];
2806 boolean_t first
= B_TRUE
;
2807 boolean_t right_justify
;
2809 for (; pl
!= NULL
; pl
= pl
->pl_next
) {
2816 right_justify
= B_FALSE
;
2817 if (pl
->pl_prop
!= ZPROP_INVAL
) {
2818 header
= zfs_prop_column_name(pl
->pl_prop
);
2819 right_justify
= zfs_prop_align_right(pl
->pl_prop
);
2821 for (i
= 0; pl
->pl_user_prop
[i
] != '\0'; i
++)
2822 headerbuf
[i
] = toupper(pl
->pl_user_prop
[i
]);
2823 headerbuf
[i
] = '\0';
2827 if (pl
->pl_next
== NULL
&& !right_justify
)
2828 (void) printf("%s", header
);
2829 else if (right_justify
)
2830 (void) printf("%*s", (int)pl
->pl_width
, header
);
2832 (void) printf("%-*s", (int)pl
->pl_width
, header
);
2835 (void) printf("\n");
2839 * Given a dataset and a list of fields, print out all the properties according
2840 * to the described layout.
2843 print_dataset(zfs_handle_t
*zhp
, zprop_list_t
*pl
, boolean_t scripted
)
2845 boolean_t first
= B_TRUE
;
2846 char property
[ZFS_MAXPROPLEN
];
2847 nvlist_t
*userprops
= zfs_get_user_props(zhp
);
2850 boolean_t right_justify
;
2853 for (; pl
!= NULL
; pl
= pl
->pl_next
) {
2856 (void) printf("\t");
2863 if (pl
->pl_prop
== ZFS_PROP_NAME
) {
2864 (void) strlcpy(property
, zfs_get_name(zhp
),
2867 right_justify
= zfs_prop_align_right(pl
->pl_prop
);
2868 } else if (pl
->pl_prop
!= ZPROP_INVAL
) {
2869 if (zfs_prop_get(zhp
, pl
->pl_prop
, property
,
2870 sizeof (property
), NULL
, NULL
, 0, B_FALSE
) != 0)
2875 right_justify
= zfs_prop_align_right(pl
->pl_prop
);
2876 } else if (zfs_prop_userquota(pl
->pl_user_prop
)) {
2877 if (zfs_prop_get_userquota(zhp
, pl
->pl_user_prop
,
2878 property
, sizeof (property
), B_FALSE
) != 0)
2882 right_justify
= B_TRUE
;
2883 } else if (zfs_prop_written(pl
->pl_user_prop
)) {
2884 if (zfs_prop_get_written(zhp
, pl
->pl_user_prop
,
2885 property
, sizeof (property
), B_FALSE
) != 0)
2889 right_justify
= B_TRUE
;
2891 if (nvlist_lookup_nvlist(userprops
,
2892 pl
->pl_user_prop
, &propval
) != 0)
2895 verify(nvlist_lookup_string(propval
,
2896 ZPROP_VALUE
, &propstr
) == 0);
2897 right_justify
= B_FALSE
;
2900 width
= pl
->pl_width
;
2903 * If this is being called in scripted mode, or if this is the
2904 * last column and it is left-justified, don't include a width
2907 if (scripted
|| (pl
->pl_next
== NULL
&& !right_justify
))
2908 (void) printf("%s", propstr
);
2909 else if (right_justify
)
2910 (void) printf("%*s", width
, propstr
);
2912 (void) printf("%-*s", width
, propstr
);
2915 (void) printf("\n");
2919 * Generic callback function to list a dataset or snapshot.
2922 list_callback(zfs_handle_t
*zhp
, void *data
)
2924 list_cbdata_t
*cbp
= data
;
2926 if (cbp
->cb_first
) {
2927 if (!cbp
->cb_scripted
)
2928 print_header(cbp
->cb_proplist
);
2929 cbp
->cb_first
= B_FALSE
;
2932 print_dataset(zhp
, cbp
->cb_proplist
, cbp
->cb_scripted
);
2938 zfs_do_list(int argc
, char **argv
)
2941 boolean_t scripted
= B_FALSE
;
2942 static char default_fields
[] =
2943 "name,used,available,referenced,mountpoint";
2944 int types
= ZFS_TYPE_DATASET
;
2945 boolean_t types_specified
= B_FALSE
;
2946 char *fields
= NULL
;
2947 list_cbdata_t cb
= { 0 };
2951 zfs_sort_column_t
*sortcol
= NULL
;
2952 int flags
= ZFS_ITER_PROP_LISTSNAPS
| ZFS_ITER_ARGS_CAN_BE_PATHS
;
2955 while ((c
= getopt(argc
, argv
, ":d:o:rt:Hs:S:")) != -1) {
2961 limit
= parse_depth(optarg
, &flags
);
2964 flags
|= ZFS_ITER_RECURSE
;
2970 if (zfs_add_sort_column(&sortcol
, optarg
,
2972 (void) fprintf(stderr
,
2973 gettext("invalid property '%s'\n"), optarg
);
2978 if (zfs_add_sort_column(&sortcol
, optarg
,
2980 (void) fprintf(stderr
,
2981 gettext("invalid property '%s'\n"), optarg
);
2987 types_specified
= B_TRUE
;
2988 flags
&= ~ZFS_ITER_PROP_LISTSNAPS
;
2989 while (*optarg
!= '\0') {
2990 static char *type_subopts
[] = { "filesystem",
2991 "volume", "snapshot", "snap", "all", NULL
};
2993 switch (getsubopt(&optarg
, type_subopts
,
2996 types
|= ZFS_TYPE_FILESYSTEM
;
2999 types
|= ZFS_TYPE_VOLUME
;
3003 types
|= ZFS_TYPE_SNAPSHOT
;
3006 types
= ZFS_TYPE_DATASET
;
3010 (void) fprintf(stderr
,
3011 gettext("invalid type '%s'\n"),
3018 (void) fprintf(stderr
, gettext("missing argument for "
3019 "'%c' option\n"), optopt
);
3023 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
3033 fields
= default_fields
;
3036 * If we are only going to list snapshot names and sort by name,
3037 * then we can use faster version.
3039 if (strcmp(fields
, "name") == 0 && zfs_sort_only_by_name(sortcol
))
3040 flags
|= ZFS_ITER_SIMPLE
;
3043 * If "-o space" and no types were specified, don't display snapshots.
3045 if (strcmp(fields
, "space") == 0 && types_specified
== B_FALSE
)
3046 types
&= ~ZFS_TYPE_SNAPSHOT
;
3049 * If the user specifies '-o all', the zprop_get_list() doesn't
3050 * normally include the name of the dataset. For 'zfs list', we always
3051 * want this property to be first.
3053 if (zprop_get_list(g_zfs
, fields
, &cb
.cb_proplist
, ZFS_TYPE_DATASET
)
3057 cb
.cb_scripted
= scripted
;
3058 cb
.cb_first
= B_TRUE
;
3060 ret
= zfs_for_each(argc
, argv
, flags
, types
, sortcol
, &cb
.cb_proplist
,
3061 limit
, list_callback
, &cb
);
3063 zprop_free_list(cb
.cb_proplist
);
3064 zfs_free_sort_columns(sortcol
);
3066 if (ret
== 0 && cb
.cb_first
&& !cb
.cb_scripted
)
3067 (void) fprintf(stderr
, gettext("no datasets available\n"));
3073 * zfs rename [-f] <fs | snap | vol> <fs | snap | vol>
3074 * zfs rename [-f] -p <fs | vol> <fs | vol>
3075 * zfs rename -r <snap> <snap>
3077 * Renames the given dataset to another of the same type.
3079 * The '-p' flag creates all the non-existing ancestors of the target first.
3083 zfs_do_rename(int argc
, char **argv
)
3088 boolean_t recurse
= B_FALSE
;
3089 boolean_t parents
= B_FALSE
;
3090 boolean_t force_unmount
= B_FALSE
;
3093 while ((c
= getopt(argc
, argv
, "prf")) != -1) {
3102 force_unmount
= B_TRUE
;
3106 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
3115 /* check number of arguments */
3117 (void) fprintf(stderr
, gettext("missing source dataset "
3122 (void) fprintf(stderr
, gettext("missing target dataset "
3127 (void) fprintf(stderr
, gettext("too many arguments\n"));
3131 if (recurse
&& parents
) {
3132 (void) fprintf(stderr
, gettext("-p and -r options are mutually "
3137 if (recurse
&& strchr(argv
[0], '@') == 0) {
3138 (void) fprintf(stderr
, gettext("source dataset for recursive "
3139 "rename must be a snapshot\n"));
3143 if ((zhp
= zfs_open(g_zfs
, argv
[0], parents
? ZFS_TYPE_FILESYSTEM
|
3144 ZFS_TYPE_VOLUME
: ZFS_TYPE_DATASET
)) == NULL
)
3147 /* If we were asked and the name looks good, try to create ancestors. */
3148 if (parents
&& zfs_name_valid(argv
[1], zfs_get_type(zhp
)) &&
3149 zfs_create_ancestors(g_zfs
, argv
[1]) != 0) {
3154 ret
= (zfs_rename(zhp
, argv
[1], recurse
, force_unmount
) != 0);
3163 * Promotes the given clone fs to be the parent
3167 zfs_do_promote(int argc
, char **argv
)
3173 if (argc
> 1 && argv
[1][0] == '-') {
3174 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
3179 /* check number of arguments */
3181 (void) fprintf(stderr
, gettext("missing clone filesystem"
3186 (void) fprintf(stderr
, gettext("too many arguments\n"));
3190 zhp
= zfs_open(g_zfs
, argv
[1], ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
);
3194 ret
= (zfs_promote(zhp
) != 0);
3202 * zfs rollback [-rRf] <snapshot>
3204 * -r Delete any intervening snapshots before doing rollback
3205 * -R Delete any snapshots and their clones
3206 * -f ignored for backwards compatability
3208 * Given a filesystem, rollback to a specific snapshot, discarding any changes
3209 * since then and making it the active dataset. If more recent snapshots exist,
3210 * the command will complain unless the '-r' flag is given.
3212 typedef struct rollback_cbdata
{
3218 boolean_t cb_recurse
;
3219 boolean_t cb_dependent
;
3220 } rollback_cbdata_t
;
3223 * Report any snapshots more recent than the one specified. Used when '-r' is
3224 * not specified. We reuse this same callback for the snapshot dependents - if
3225 * 'cb_dependent' is set, then this is a dependent and we should report it
3226 * without checking the transaction group.
3229 rollback_check(zfs_handle_t
*zhp
, void *data
)
3231 rollback_cbdata_t
*cbp
= data
;
3233 if (cbp
->cb_doclones
) {
3238 if (!cbp
->cb_dependent
) {
3239 if (strcmp(zfs_get_name(zhp
), cbp
->cb_target
) != 0 &&
3240 zfs_get_type(zhp
) == ZFS_TYPE_SNAPSHOT
&&
3241 zfs_prop_get_int(zhp
, ZFS_PROP_CREATETXG
) >
3244 if (cbp
->cb_first
&& !cbp
->cb_recurse
) {
3245 (void) fprintf(stderr
, gettext("cannot "
3246 "rollback to '%s': more recent snapshots "
3249 (void) fprintf(stderr
, gettext("use '-r' to "
3250 "force deletion of the following "
3256 if (cbp
->cb_recurse
) {
3257 cbp
->cb_dependent
= B_TRUE
;
3258 if (zfs_iter_dependents(zhp
, B_TRUE
,
3259 rollback_check
, cbp
) != 0) {
3263 cbp
->cb_dependent
= B_FALSE
;
3265 (void) fprintf(stderr
, "%s\n",
3270 if (cbp
->cb_first
&& cbp
->cb_recurse
) {
3271 (void) fprintf(stderr
, gettext("cannot rollback to "
3272 "'%s': clones of previous snapshots exist\n"),
3274 (void) fprintf(stderr
, gettext("use '-R' to "
3275 "force deletion of the following clones and "
3281 (void) fprintf(stderr
, "%s\n", zfs_get_name(zhp
));
3289 zfs_do_rollback(int argc
, char **argv
)
3293 boolean_t force
= B_FALSE
;
3294 rollback_cbdata_t cb
= { 0 };
3295 zfs_handle_t
*zhp
, *snap
;
3296 char parentname
[ZFS_MAXNAMELEN
];
3300 while ((c
= getopt(argc
, argv
, "rRf")) != -1) {
3313 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
3322 /* check number of arguments */
3324 (void) fprintf(stderr
, gettext("missing dataset argument\n"));
3328 (void) fprintf(stderr
, gettext("too many arguments\n"));
3332 /* open the snapshot */
3333 if ((snap
= zfs_open(g_zfs
, argv
[0], ZFS_TYPE_SNAPSHOT
)) == NULL
)
3336 /* open the parent dataset */
3337 (void) strlcpy(parentname
, argv
[0], sizeof (parentname
));
3338 verify((delim
= strrchr(parentname
, '@')) != NULL
);
3340 if ((zhp
= zfs_open(g_zfs
, parentname
, ZFS_TYPE_DATASET
)) == NULL
) {
3346 * Check for more recent snapshots and/or clones based on the presence
3349 cb
.cb_target
= argv
[0];
3350 cb
.cb_create
= zfs_prop_get_int(snap
, ZFS_PROP_CREATETXG
);
3351 cb
.cb_first
= B_TRUE
;
3353 if ((ret
= zfs_iter_children(zhp
, rollback_check
, &cb
)) != 0)
3356 if ((ret
= cb
.cb_error
) != 0)
3360 * Rollback parent to the given snapshot.
3362 ret
= zfs_rollback(zhp
, snap
, force
);
3375 * zfs set property=value { fs | snap | vol } ...
3377 * Sets the given property for all datasets specified on the command line.
3379 typedef struct set_cbdata
{
3385 set_callback(zfs_handle_t
*zhp
, void *data
)
3387 set_cbdata_t
*cbp
= data
;
3389 if (zfs_prop_set(zhp
, cbp
->cb_propname
, cbp
->cb_value
) != 0) {
3390 switch (libzfs_errno(g_zfs
)) {
3391 case EZFS_MOUNTFAILED
:
3392 (void) fprintf(stderr
, gettext("property may be set "
3393 "but unable to remount filesystem\n"));
3395 case EZFS_SHARENFSFAILED
:
3396 (void) fprintf(stderr
, gettext("property may be set "
3397 "but unable to reshare filesystem\n"));
3406 zfs_do_set(int argc
, char **argv
)
3411 /* check for options */
3412 if (argc
> 1 && argv
[1][0] == '-') {
3413 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
3418 /* check number of arguments */
3420 (void) fprintf(stderr
, gettext("missing property=value "
3425 (void) fprintf(stderr
, gettext("missing dataset name\n"));
3429 /* validate property=value argument */
3430 cb
.cb_propname
= argv
[1];
3431 if (((cb
.cb_value
= strchr(cb
.cb_propname
, '=')) == NULL
) ||
3432 (cb
.cb_value
[1] == '\0')) {
3433 (void) fprintf(stderr
, gettext("missing value in "
3434 "property=value argument\n"));
3438 *cb
.cb_value
= '\0';
3441 if (*cb
.cb_propname
== '\0') {
3442 (void) fprintf(stderr
,
3443 gettext("missing property in property=value argument\n"));
3447 ret
= zfs_for_each(argc
- 2, argv
+ 2, 0,
3448 ZFS_TYPE_DATASET
, NULL
, NULL
, 0, set_callback
, &cb
);
3454 * zfs snapshot [-r] [-o prop=value] ... <fs@snap>
3456 * Creates a snapshot with the given name. While functionally equivalent to
3457 * 'zfs create', it is a separate command to differentiate intent.
3460 zfs_do_snapshot(int argc
, char **argv
)
3462 boolean_t recursive
= B_FALSE
;
3467 if (nvlist_alloc(&props
, NV_UNIQUE_NAME
, 0) != 0)
3471 while ((c
= getopt(argc
, argv
, "ro:")) != -1) {
3474 if (parseprop(props
))
3481 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
3490 /* check number of arguments */
3492 (void) fprintf(stderr
, gettext("missing snapshot argument\n"));
3496 (void) fprintf(stderr
, gettext("too many arguments\n"));
3500 ret
= zfs_snapshot(g_zfs
, argv
[0], recursive
, props
);
3502 if (ret
&& recursive
)
3503 (void) fprintf(stderr
, gettext("no snapshots were created\n"));
3513 * Send a backup stream to stdout.
3516 zfs_do_send(int argc
, char **argv
)
3518 char *fromname
= NULL
;
3519 char *toname
= NULL
;
3522 sendflags_t flags
= { 0 };
3524 nvlist_t
*dbgnv
= NULL
;
3525 boolean_t extraverbose
= B_FALSE
;
3528 while ((c
= getopt(argc
, argv
, ":i:I:RDpvnP")) != -1) {
3539 flags
.doall
= B_TRUE
;
3542 flags
.replicate
= B_TRUE
;
3545 flags
.props
= B_TRUE
;
3548 flags
.parsable
= B_TRUE
;
3549 flags
.verbose
= B_TRUE
;
3553 extraverbose
= B_TRUE
;
3554 flags
.verbose
= B_TRUE
;
3555 flags
.progress
= B_TRUE
;
3558 flags
.dedup
= B_TRUE
;
3561 flags
.dryrun
= B_TRUE
;
3564 (void) fprintf(stderr
, gettext("missing argument for "
3565 "'%c' option\n"), optopt
);
3569 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
3578 /* check number of arguments */
3580 (void) fprintf(stderr
, gettext("missing snapshot argument\n"));
3584 (void) fprintf(stderr
, gettext("too many arguments\n"));
3588 if (!flags
.dryrun
&& isatty(STDOUT_FILENO
)) {
3589 (void) fprintf(stderr
,
3590 gettext("Error: Stream can not be written to a terminal.\n"
3591 "You must redirect standard output.\n"));
3595 cp
= strchr(argv
[0], '@');
3597 (void) fprintf(stderr
,
3598 gettext("argument must be a snapshot\n"));
3603 zhp
= zfs_open(g_zfs
, argv
[0], ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
);
3608 * If they specified the full path to the snapshot, chop off
3609 * everything except the short name of the snapshot, but special
3610 * case if they specify the origin.
3612 if (fromname
&& (cp
= strchr(fromname
, '@')) != NULL
) {
3613 char origin
[ZFS_MAXNAMELEN
];
3616 (void) zfs_prop_get(zhp
, ZFS_PROP_ORIGIN
,
3617 origin
, sizeof (origin
), &src
, NULL
, 0, B_FALSE
);
3619 if (strcmp(origin
, fromname
) == 0) {
3621 flags
.fromorigin
= B_TRUE
;
3624 if (cp
!= fromname
&& strcmp(argv
[0], fromname
)) {
3625 (void) fprintf(stderr
,
3626 gettext("incremental source must be "
3627 "in same filesystem\n"));
3631 if (strchr(fromname
, '@') || strchr(fromname
, '/')) {
3632 (void) fprintf(stderr
,
3633 gettext("invalid incremental source\n"));
3639 if (flags
.replicate
&& fromname
== NULL
)
3640 flags
.doall
= B_TRUE
;
3642 err
= zfs_send(zhp
, fromname
, toname
, &flags
, STDOUT_FILENO
, NULL
, 0,
3643 extraverbose
? &dbgnv
: NULL
);
3645 if (extraverbose
&& dbgnv
!= NULL
) {
3647 * dump_nvlist prints to stdout, but that's been
3648 * redirected to a file. Make it print to stderr
3651 (void) dup2(STDERR_FILENO
, STDOUT_FILENO
);
3652 dump_nvlist(dbgnv
, 0);
3661 * zfs receive [-vnFu] [-d | -e] <fs@snap>
3663 * Restore a backup stream from stdin.
3666 zfs_do_receive(int argc
, char **argv
)
3669 recvflags_t flags
= { 0 };
3672 while ((c
= getopt(argc
, argv
, ":denuvF")) != -1) {
3675 flags
.isprefix
= B_TRUE
;
3678 flags
.isprefix
= B_TRUE
;
3679 flags
.istail
= B_TRUE
;
3682 flags
.dryrun
= B_TRUE
;
3685 flags
.nomount
= B_TRUE
;
3688 flags
.verbose
= B_TRUE
;
3691 flags
.force
= B_TRUE
;
3694 (void) fprintf(stderr
, gettext("missing argument for "
3695 "'%c' option\n"), optopt
);
3699 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
3708 /* check number of arguments */
3710 (void) fprintf(stderr
, gettext("missing snapshot argument\n"));
3714 (void) fprintf(stderr
, gettext("too many arguments\n"));
3718 if (isatty(STDIN_FILENO
)) {
3719 (void) fprintf(stderr
,
3720 gettext("Error: Backup stream can not be read "
3721 "from a terminal.\n"
3722 "You must redirect standard input.\n"));
3726 err
= zfs_receive(g_zfs
, argv
[0], &flags
, STDIN_FILENO
, NULL
);
3732 * allow/unallow stuff
3734 /* copied from zfs/sys/dsl_deleg.h */
3735 #define ZFS_DELEG_PERM_CREATE "create"
3736 #define ZFS_DELEG_PERM_DESTROY "destroy"
3737 #define ZFS_DELEG_PERM_SNAPSHOT "snapshot"
3738 #define ZFS_DELEG_PERM_ROLLBACK "rollback"
3739 #define ZFS_DELEG_PERM_CLONE "clone"
3740 #define ZFS_DELEG_PERM_PROMOTE "promote"
3741 #define ZFS_DELEG_PERM_RENAME "rename"
3742 #define ZFS_DELEG_PERM_MOUNT "mount"
3743 #define ZFS_DELEG_PERM_SHARE "share"
3744 #define ZFS_DELEG_PERM_SEND "send"
3745 #define ZFS_DELEG_PERM_RECEIVE "receive"
3746 #define ZFS_DELEG_PERM_ALLOW "allow"
3747 #define ZFS_DELEG_PERM_USERPROP "userprop"
3748 #define ZFS_DELEG_PERM_VSCAN "vscan" /* ??? */
3749 #define ZFS_DELEG_PERM_USERQUOTA "userquota"
3750 #define ZFS_DELEG_PERM_GROUPQUOTA "groupquota"
3751 #define ZFS_DELEG_PERM_USERUSED "userused"
3752 #define ZFS_DELEG_PERM_GROUPUSED "groupused"
3753 #define ZFS_DELEG_PERM_HOLD "hold"
3754 #define ZFS_DELEG_PERM_RELEASE "release"
3755 #define ZFS_DELEG_PERM_DIFF "diff"
3757 #define ZFS_NUM_DELEG_NOTES ZFS_DELEG_NOTE_NONE
3759 static zfs_deleg_perm_tab_t zfs_deleg_perm_tbl
[] = {
3760 { ZFS_DELEG_PERM_ALLOW
, ZFS_DELEG_NOTE_ALLOW
},
3761 { ZFS_DELEG_PERM_CLONE
, ZFS_DELEG_NOTE_CLONE
},
3762 { ZFS_DELEG_PERM_CREATE
, ZFS_DELEG_NOTE_CREATE
},
3763 { ZFS_DELEG_PERM_DESTROY
, ZFS_DELEG_NOTE_DESTROY
},
3764 { ZFS_DELEG_PERM_DIFF
, ZFS_DELEG_NOTE_DIFF
},
3765 { ZFS_DELEG_PERM_HOLD
, ZFS_DELEG_NOTE_HOLD
},
3766 { ZFS_DELEG_PERM_MOUNT
, ZFS_DELEG_NOTE_MOUNT
},
3767 { ZFS_DELEG_PERM_PROMOTE
, ZFS_DELEG_NOTE_PROMOTE
},
3768 { ZFS_DELEG_PERM_RECEIVE
, ZFS_DELEG_NOTE_RECEIVE
},
3769 { ZFS_DELEG_PERM_RELEASE
, ZFS_DELEG_NOTE_RELEASE
},
3770 { ZFS_DELEG_PERM_RENAME
, ZFS_DELEG_NOTE_RENAME
},
3771 { ZFS_DELEG_PERM_ROLLBACK
, ZFS_DELEG_NOTE_ROLLBACK
},
3772 { ZFS_DELEG_PERM_SEND
, ZFS_DELEG_NOTE_SEND
},
3773 { ZFS_DELEG_PERM_SHARE
, ZFS_DELEG_NOTE_SHARE
},
3774 { ZFS_DELEG_PERM_SNAPSHOT
, ZFS_DELEG_NOTE_SNAPSHOT
},
3776 { ZFS_DELEG_PERM_GROUPQUOTA
, ZFS_DELEG_NOTE_GROUPQUOTA
},
3777 { ZFS_DELEG_PERM_GROUPUSED
, ZFS_DELEG_NOTE_GROUPUSED
},
3778 { ZFS_DELEG_PERM_USERPROP
, ZFS_DELEG_NOTE_USERPROP
},
3779 { ZFS_DELEG_PERM_USERQUOTA
, ZFS_DELEG_NOTE_USERQUOTA
},
3780 { ZFS_DELEG_PERM_USERUSED
, ZFS_DELEG_NOTE_USERUSED
},
3781 { NULL
, ZFS_DELEG_NOTE_NONE
}
3784 /* permission structure */
3785 typedef struct deleg_perm
{
3786 zfs_deleg_who_type_t dp_who_type
;
3787 const char *dp_name
;
3789 boolean_t dp_descend
;
3793 typedef struct deleg_perm_node
{
3794 deleg_perm_t dpn_perm
;
3796 uu_avl_node_t dpn_avl_node
;
3797 } deleg_perm_node_t
;
3799 typedef struct fs_perm fs_perm_t
;
3801 /* permissions set */
3802 typedef struct who_perm
{
3803 zfs_deleg_who_type_t who_type
;
3804 const char *who_name
; /* id */
3805 char who_ug_name
[256]; /* user/group name */
3806 fs_perm_t
*who_fsperm
; /* uplink */
3808 uu_avl_t
*who_deleg_perm_avl
; /* permissions */
3812 typedef struct who_perm_node
{
3813 who_perm_t who_perm
;
3814 uu_avl_node_t who_avl_node
;
3817 typedef struct fs_perm_set fs_perm_set_t
;
3818 /* fs permissions */
3820 const char *fsp_name
;
3822 uu_avl_t
*fsp_sc_avl
; /* sets,create */
3823 uu_avl_t
*fsp_uge_avl
; /* user,group,everyone */
3825 fs_perm_set_t
*fsp_set
; /* uplink */
3829 typedef struct fs_perm_node
{
3830 fs_perm_t fspn_fsperm
;
3833 uu_list_node_t fspn_list_node
;
3836 /* top level structure */
3837 struct fs_perm_set
{
3838 uu_list_pool_t
*fsps_list_pool
;
3839 uu_list_t
*fsps_list
; /* list of fs_perms */
3841 uu_avl_pool_t
*fsps_named_set_avl_pool
;
3842 uu_avl_pool_t
*fsps_who_perm_avl_pool
;
3843 uu_avl_pool_t
*fsps_deleg_perm_avl_pool
;
3846 static inline const char *
3847 deleg_perm_type(zfs_deleg_note_t note
)
3853 case ZFS_DELEG_NOTE_GROUPQUOTA
:
3854 case ZFS_DELEG_NOTE_GROUPUSED
:
3855 case ZFS_DELEG_NOTE_USERPROP
:
3856 case ZFS_DELEG_NOTE_USERQUOTA
:
3857 case ZFS_DELEG_NOTE_USERUSED
:
3859 return (gettext("other"));
3861 return (gettext("subcommand"));
3866 who_type2weight(zfs_deleg_who_type_t who_type
)
3870 case ZFS_DELEG_NAMED_SET_SETS
:
3871 case ZFS_DELEG_NAMED_SET
:
3874 case ZFS_DELEG_CREATE_SETS
:
3875 case ZFS_DELEG_CREATE
:
3878 case ZFS_DELEG_USER_SETS
:
3879 case ZFS_DELEG_USER
:
3882 case ZFS_DELEG_GROUP_SETS
:
3883 case ZFS_DELEG_GROUP
:
3886 case ZFS_DELEG_EVERYONE_SETS
:
3887 case ZFS_DELEG_EVERYONE
:
3899 who_perm_compare(const void *larg
, const void *rarg
, void *unused
)
3901 const who_perm_node_t
*l
= larg
;
3902 const who_perm_node_t
*r
= rarg
;
3903 zfs_deleg_who_type_t ltype
= l
->who_perm
.who_type
;
3904 zfs_deleg_who_type_t rtype
= r
->who_perm
.who_type
;
3905 int lweight
= who_type2weight(ltype
);
3906 int rweight
= who_type2weight(rtype
);
3907 int res
= lweight
- rweight
;
3909 res
= strncmp(l
->who_perm
.who_name
, r
->who_perm
.who_name
,
3910 ZFS_MAX_DELEG_NAME
-1);
3922 deleg_perm_compare(const void *larg
, const void *rarg
, void *unused
)
3924 const deleg_perm_node_t
*l
= larg
;
3925 const deleg_perm_node_t
*r
= rarg
;
3926 int res
= strncmp(l
->dpn_perm
.dp_name
, r
->dpn_perm
.dp_name
,
3927 ZFS_MAX_DELEG_NAME
-1);
3939 fs_perm_set_init(fs_perm_set_t
*fspset
)
3941 bzero(fspset
, sizeof (fs_perm_set_t
));
3943 if ((fspset
->fsps_list_pool
= uu_list_pool_create("fsps_list_pool",
3944 sizeof (fs_perm_node_t
), offsetof(fs_perm_node_t
, fspn_list_node
),
3945 NULL
, UU_DEFAULT
)) == NULL
)
3947 if ((fspset
->fsps_list
= uu_list_create(fspset
->fsps_list_pool
, NULL
,
3948 UU_DEFAULT
)) == NULL
)
3951 if ((fspset
->fsps_named_set_avl_pool
= uu_avl_pool_create(
3952 "named_set_avl_pool", sizeof (who_perm_node_t
), offsetof(
3953 who_perm_node_t
, who_avl_node
), who_perm_compare
,
3954 UU_DEFAULT
)) == NULL
)
3957 if ((fspset
->fsps_who_perm_avl_pool
= uu_avl_pool_create(
3958 "who_perm_avl_pool", sizeof (who_perm_node_t
), offsetof(
3959 who_perm_node_t
, who_avl_node
), who_perm_compare
,
3960 UU_DEFAULT
)) == NULL
)
3963 if ((fspset
->fsps_deleg_perm_avl_pool
= uu_avl_pool_create(
3964 "deleg_perm_avl_pool", sizeof (deleg_perm_node_t
), offsetof(
3965 deleg_perm_node_t
, dpn_avl_node
), deleg_perm_compare
, UU_DEFAULT
))
3970 static inline void fs_perm_fini(fs_perm_t
*);
3971 static inline void who_perm_fini(who_perm_t
*);
3974 fs_perm_set_fini(fs_perm_set_t
*fspset
)
3976 fs_perm_node_t
*node
= uu_list_first(fspset
->fsps_list
);
3978 while (node
!= NULL
) {
3979 fs_perm_node_t
*next_node
=
3980 uu_list_next(fspset
->fsps_list
, node
);
3981 fs_perm_t
*fsperm
= &node
->fspn_fsperm
;
3982 fs_perm_fini(fsperm
);
3983 uu_list_remove(fspset
->fsps_list
, node
);
3988 uu_avl_pool_destroy(fspset
->fsps_named_set_avl_pool
);
3989 uu_avl_pool_destroy(fspset
->fsps_who_perm_avl_pool
);
3990 uu_avl_pool_destroy(fspset
->fsps_deleg_perm_avl_pool
);
3994 deleg_perm_init(deleg_perm_t
*deleg_perm
, zfs_deleg_who_type_t type
,
3997 deleg_perm
->dp_who_type
= type
;
3998 deleg_perm
->dp_name
= name
;
4002 who_perm_init(who_perm_t
*who_perm
, fs_perm_t
*fsperm
,
4003 zfs_deleg_who_type_t type
, const char *name
)
4005 uu_avl_pool_t
*pool
;
4006 pool
= fsperm
->fsp_set
->fsps_deleg_perm_avl_pool
;
4008 bzero(who_perm
, sizeof (who_perm_t
));
4010 if ((who_perm
->who_deleg_perm_avl
= uu_avl_create(pool
, NULL
,
4011 UU_DEFAULT
)) == NULL
)
4014 who_perm
->who_type
= type
;
4015 who_perm
->who_name
= name
;
4016 who_perm
->who_fsperm
= fsperm
;
4020 who_perm_fini(who_perm_t
*who_perm
)
4022 deleg_perm_node_t
*node
= uu_avl_first(who_perm
->who_deleg_perm_avl
);
4024 while (node
!= NULL
) {
4025 deleg_perm_node_t
*next_node
=
4026 uu_avl_next(who_perm
->who_deleg_perm_avl
, node
);
4028 uu_avl_remove(who_perm
->who_deleg_perm_avl
, node
);
4033 uu_avl_destroy(who_perm
->who_deleg_perm_avl
);
4037 fs_perm_init(fs_perm_t
*fsperm
, fs_perm_set_t
*fspset
, const char *fsname
)
4039 uu_avl_pool_t
*nset_pool
= fspset
->fsps_named_set_avl_pool
;
4040 uu_avl_pool_t
*who_pool
= fspset
->fsps_who_perm_avl_pool
;
4042 bzero(fsperm
, sizeof (fs_perm_t
));
4044 if ((fsperm
->fsp_sc_avl
= uu_avl_create(nset_pool
, NULL
, UU_DEFAULT
))
4048 if ((fsperm
->fsp_uge_avl
= uu_avl_create(who_pool
, NULL
, UU_DEFAULT
))
4052 fsperm
->fsp_set
= fspset
;
4053 fsperm
->fsp_name
= fsname
;
4057 fs_perm_fini(fs_perm_t
*fsperm
)
4059 who_perm_node_t
*node
= uu_avl_first(fsperm
->fsp_sc_avl
);
4060 while (node
!= NULL
) {
4061 who_perm_node_t
*next_node
= uu_avl_next(fsperm
->fsp_sc_avl
,
4063 who_perm_t
*who_perm
= &node
->who_perm
;
4064 who_perm_fini(who_perm
);
4065 uu_avl_remove(fsperm
->fsp_sc_avl
, node
);
4070 node
= uu_avl_first(fsperm
->fsp_uge_avl
);
4071 while (node
!= NULL
) {
4072 who_perm_node_t
*next_node
= uu_avl_next(fsperm
->fsp_uge_avl
,
4074 who_perm_t
*who_perm
= &node
->who_perm
;
4075 who_perm_fini(who_perm
);
4076 uu_avl_remove(fsperm
->fsp_uge_avl
, node
);
4081 uu_avl_destroy(fsperm
->fsp_sc_avl
);
4082 uu_avl_destroy(fsperm
->fsp_uge_avl
);
4086 set_deleg_perm_node(uu_avl_t
*avl
, deleg_perm_node_t
*node
,
4087 zfs_deleg_who_type_t who_type
, const char *name
, char locality
)
4089 uu_avl_index_t idx
= 0;
4091 deleg_perm_node_t
*found_node
= NULL
;
4092 deleg_perm_t
*deleg_perm
= &node
->dpn_perm
;
4094 deleg_perm_init(deleg_perm
, who_type
, name
);
4096 if ((found_node
= uu_avl_find(avl
, node
, NULL
, &idx
))
4098 uu_avl_insert(avl
, node
, idx
);
4101 deleg_perm
= &node
->dpn_perm
;
4106 case ZFS_DELEG_LOCAL
:
4107 deleg_perm
->dp_local
= B_TRUE
;
4109 case ZFS_DELEG_DESCENDENT
:
4110 deleg_perm
->dp_descend
= B_TRUE
;
4115 assert(B_FALSE
); /* invalid locality */
4120 parse_who_perm(who_perm_t
*who_perm
, nvlist_t
*nvl
, char locality
)
4122 nvpair_t
*nvp
= NULL
;
4123 fs_perm_set_t
*fspset
= who_perm
->who_fsperm
->fsp_set
;
4124 uu_avl_t
*avl
= who_perm
->who_deleg_perm_avl
;
4125 zfs_deleg_who_type_t who_type
= who_perm
->who_type
;
4127 while ((nvp
= nvlist_next_nvpair(nvl
, nvp
)) != NULL
) {
4128 const char *name
= nvpair_name(nvp
);
4129 data_type_t type
= nvpair_type(nvp
);
4130 uu_avl_pool_t
*avl_pool
= fspset
->fsps_deleg_perm_avl_pool
;
4131 deleg_perm_node_t
*node
=
4132 safe_malloc(sizeof (deleg_perm_node_t
));
4134 VERIFY(type
== DATA_TYPE_BOOLEAN
);
4136 uu_avl_node_init(node
, &node
->dpn_avl_node
, avl_pool
);
4137 set_deleg_perm_node(avl
, node
, who_type
, name
, locality
);
4144 parse_fs_perm(fs_perm_t
*fsperm
, nvlist_t
*nvl
)
4146 nvpair_t
*nvp
= NULL
;
4147 fs_perm_set_t
*fspset
= fsperm
->fsp_set
;
4149 while ((nvp
= nvlist_next_nvpair(nvl
, nvp
)) != NULL
) {
4150 nvlist_t
*nvl2
= NULL
;
4151 const char *name
= nvpair_name(nvp
);
4152 uu_avl_t
*avl
= NULL
;
4153 uu_avl_pool_t
*avl_pool
= NULL
;
4154 zfs_deleg_who_type_t perm_type
= name
[0];
4155 char perm_locality
= name
[1];
4156 const char *perm_name
= name
+ 3;
4157 boolean_t is_set
= B_TRUE
;
4158 who_perm_t
*who_perm
= NULL
;
4160 assert('$' == name
[2]);
4162 if (nvpair_value_nvlist(nvp
, &nvl2
) != 0)
4165 switch (perm_type
) {
4166 case ZFS_DELEG_CREATE
:
4167 case ZFS_DELEG_CREATE_SETS
:
4168 case ZFS_DELEG_NAMED_SET
:
4169 case ZFS_DELEG_NAMED_SET_SETS
:
4170 avl_pool
= fspset
->fsps_named_set_avl_pool
;
4171 avl
= fsperm
->fsp_sc_avl
;
4173 case ZFS_DELEG_USER
:
4174 case ZFS_DELEG_USER_SETS
:
4175 case ZFS_DELEG_GROUP
:
4176 case ZFS_DELEG_GROUP_SETS
:
4177 case ZFS_DELEG_EVERYONE
:
4178 case ZFS_DELEG_EVERYONE_SETS
:
4179 avl_pool
= fspset
->fsps_who_perm_avl_pool
;
4180 avl
= fsperm
->fsp_uge_avl
;
4187 who_perm_node_t
*found_node
= NULL
;
4188 who_perm_node_t
*node
= safe_malloc(
4189 sizeof (who_perm_node_t
));
4190 who_perm
= &node
->who_perm
;
4191 uu_avl_index_t idx
= 0;
4193 uu_avl_node_init(node
, &node
->who_avl_node
, avl_pool
);
4194 who_perm_init(who_perm
, fsperm
, perm_type
, perm_name
);
4196 if ((found_node
= uu_avl_find(avl
, node
, NULL
, &idx
))
4198 if (avl
== fsperm
->fsp_uge_avl
) {
4200 struct passwd
*p
= NULL
;
4201 struct group
*g
= NULL
;
4202 const char *nice_name
= NULL
;
4204 switch (perm_type
) {
4205 case ZFS_DELEG_USER_SETS
:
4206 case ZFS_DELEG_USER
:
4207 rid
= atoi(perm_name
);
4210 nice_name
= p
->pw_name
;
4212 case ZFS_DELEG_GROUP_SETS
:
4213 case ZFS_DELEG_GROUP
:
4214 rid
= atoi(perm_name
);
4217 nice_name
= g
->gr_name
;
4223 if (nice_name
!= NULL
)
4225 node
->who_perm
.who_ug_name
,
4229 uu_avl_insert(avl
, node
, idx
);
4232 who_perm
= &node
->who_perm
;
4236 (void) parse_who_perm(who_perm
, nvl2
, perm_locality
);
4243 parse_fs_perm_set(fs_perm_set_t
*fspset
, nvlist_t
*nvl
)
4245 nvpair_t
*nvp
= NULL
;
4246 uu_avl_index_t idx
= 0;
4248 while ((nvp
= nvlist_next_nvpair(nvl
, nvp
)) != NULL
) {
4249 nvlist_t
*nvl2
= NULL
;
4250 const char *fsname
= nvpair_name(nvp
);
4251 data_type_t type
= nvpair_type(nvp
);
4252 fs_perm_t
*fsperm
= NULL
;
4253 fs_perm_node_t
*node
= safe_malloc(sizeof (fs_perm_node_t
));
4257 fsperm
= &node
->fspn_fsperm
;
4259 VERIFY(DATA_TYPE_NVLIST
== type
);
4261 uu_list_node_init(node
, &node
->fspn_list_node
,
4262 fspset
->fsps_list_pool
);
4264 idx
= uu_list_numnodes(fspset
->fsps_list
);
4265 fs_perm_init(fsperm
, fspset
, fsname
);
4267 if (nvpair_value_nvlist(nvp
, &nvl2
) != 0)
4270 (void) parse_fs_perm(fsperm
, nvl2
);
4272 uu_list_insert(fspset
->fsps_list
, node
, idx
);
4278 static inline const char *
4279 deleg_perm_comment(zfs_deleg_note_t note
)
4281 const char *str
= "";
4286 case ZFS_DELEG_NOTE_ALLOW
:
4287 str
= gettext("Must also have the permission that is being"
4288 "\n\t\t\t\tallowed");
4290 case ZFS_DELEG_NOTE_CLONE
:
4291 str
= gettext("Must also have the 'create' ability and 'mount'"
4292 "\n\t\t\t\tability in the origin file system");
4294 case ZFS_DELEG_NOTE_CREATE
:
4295 str
= gettext("Must also have the 'mount' ability");
4297 case ZFS_DELEG_NOTE_DESTROY
:
4298 str
= gettext("Must also have the 'mount' ability");
4300 case ZFS_DELEG_NOTE_DIFF
:
4301 str
= gettext("Allows lookup of paths within a dataset;"
4302 "\n\t\t\t\tgiven an object number. Ordinary users need this"
4303 "\n\t\t\t\tin order to use zfs diff");
4305 case ZFS_DELEG_NOTE_HOLD
:
4306 str
= gettext("Allows adding a user hold to a snapshot");
4308 case ZFS_DELEG_NOTE_MOUNT
:
4309 str
= gettext("Allows mount/umount of ZFS datasets");
4311 case ZFS_DELEG_NOTE_PROMOTE
:
4312 str
= gettext("Must also have the 'mount'\n\t\t\t\tand"
4313 " 'promote' ability in the origin file system");
4315 case ZFS_DELEG_NOTE_RECEIVE
:
4316 str
= gettext("Must also have the 'mount' and 'create'"
4319 case ZFS_DELEG_NOTE_RELEASE
:
4320 str
= gettext("Allows releasing a user hold which\n\t\t\t\t"
4321 "might destroy the snapshot");
4323 case ZFS_DELEG_NOTE_RENAME
:
4324 str
= gettext("Must also have the 'mount' and 'create'"
4325 "\n\t\t\t\tability in the new parent");
4327 case ZFS_DELEG_NOTE_ROLLBACK
:
4330 case ZFS_DELEG_NOTE_SEND
:
4333 case ZFS_DELEG_NOTE_SHARE
:
4334 str
= gettext("Allows sharing file systems over NFS or SMB"
4335 "\n\t\t\t\tprotocols");
4337 case ZFS_DELEG_NOTE_SNAPSHOT
:
4341 * case ZFS_DELEG_NOTE_VSCAN:
4342 * str = gettext("");
4346 case ZFS_DELEG_NOTE_GROUPQUOTA
:
4347 str
= gettext("Allows accessing any groupquota@... property");
4349 case ZFS_DELEG_NOTE_GROUPUSED
:
4350 str
= gettext("Allows reading any groupused@... property");
4352 case ZFS_DELEG_NOTE_USERPROP
:
4353 str
= gettext("Allows changing any user property");
4355 case ZFS_DELEG_NOTE_USERQUOTA
:
4356 str
= gettext("Allows accessing any userquota@... property");
4358 case ZFS_DELEG_NOTE_USERUSED
:
4359 str
= gettext("Allows reading any userused@... property");
4377 boolean_t recursive
; /* unallow only */
4378 boolean_t prt_usage
;
4380 boolean_t prt_perms
;
4383 const char *dataset
;
4387 prop_cmp(const void *a
, const void *b
)
4389 const char *str1
= *(const char **)a
;
4390 const char *str2
= *(const char **)b
;
4391 return (strcmp(str1
, str2
));
4395 allow_usage(boolean_t un
, boolean_t requested
, const char *msg
)
4397 const char *opt_desc
[] = {
4398 "-h", gettext("show this help message and exit"),
4399 "-l", gettext("set permission locally"),
4400 "-d", gettext("set permission for descents"),
4401 "-u", gettext("set permission for user"),
4402 "-g", gettext("set permission for group"),
4403 "-e", gettext("set permission for everyone"),
4404 "-c", gettext("set create time permission"),
4405 "-s", gettext("define permission set"),
4407 "-r", gettext("remove permissions recursively"),
4409 size_t unallow_size
= sizeof (opt_desc
) / sizeof (char *);
4410 size_t allow_size
= unallow_size
- 2;
4411 const char *props
[ZFS_NUM_PROPS
];
4414 FILE *fp
= requested
? stdout
: stderr
;
4415 zprop_desc_t
*pdtbl
= zfs_prop_get_table();
4416 const char *fmt
= gettext("%-16s %-14s\t%s\n");
4418 (void) fprintf(fp
, gettext("Usage: %s\n"), get_usage(un
? HELP_UNALLOW
:
4420 (void) fprintf(fp
, gettext("Options:\n"));
4421 for (i
= 0; i
< (un
? unallow_size
: allow_size
); i
++) {
4422 const char *opt
= opt_desc
[i
++];
4423 const char *optdsc
= opt_desc
[i
];
4424 (void) fprintf(fp
, gettext(" %-10s %s\n"), opt
, optdsc
);
4427 (void) fprintf(fp
, gettext("\nThe following permissions are "
4429 (void) fprintf(fp
, fmt
, gettext("NAME"), gettext("TYPE"),
4431 for (i
= 0; i
< ZFS_NUM_DELEG_NOTES
; i
++) {
4432 const char *perm_name
= zfs_deleg_perm_tbl
[i
].z_perm
;
4433 zfs_deleg_note_t perm_note
= zfs_deleg_perm_tbl
[i
].z_note
;
4434 const char *perm_type
= deleg_perm_type(perm_note
);
4435 const char *perm_comment
= deleg_perm_comment(perm_note
);
4436 (void) fprintf(fp
, fmt
, perm_name
, perm_type
, perm_comment
);
4439 for (i
= 0; i
< ZFS_NUM_PROPS
; i
++) {
4440 zprop_desc_t
*pd
= &pdtbl
[i
];
4441 if (pd
->pd_visible
!= B_TRUE
)
4444 if (pd
->pd_attr
== PROP_READONLY
)
4447 props
[count
++] = pd
->pd_name
;
4449 props
[count
] = NULL
;
4451 qsort(props
, count
, sizeof (char *), prop_cmp
);
4453 for (i
= 0; i
< count
; i
++)
4454 (void) fprintf(fp
, fmt
, props
[i
], gettext("property"), "");
4457 (void) fprintf(fp
, gettext("\nzfs: error: %s"), msg
);
4459 exit(requested
? 0 : 2);
4462 static inline const char *
4463 munge_args(int argc
, char **argv
, boolean_t un
, size_t expected_argc
,
4466 if (un
&& argc
== expected_argc
- 1)
4468 else if (argc
== expected_argc
)
4469 *permsp
= argv
[argc
- 2];
4471 allow_usage(un
, B_FALSE
,
4472 gettext("wrong number of parameters\n"));
4474 return (argv
[argc
- 1]);
4478 parse_allow_args(int argc
, char **argv
, boolean_t un
, struct allow_opts
*opts
)
4480 int uge_sum
= opts
->user
+ opts
->group
+ opts
->everyone
;
4481 int csuge_sum
= opts
->create
+ opts
->set
+ uge_sum
;
4482 int ldcsuge_sum
= csuge_sum
+ opts
->local
+ opts
->descend
;
4483 int all_sum
= un
? ldcsuge_sum
+ opts
->recursive
: ldcsuge_sum
;
4486 allow_usage(un
, B_FALSE
,
4487 gettext("-u, -g, and -e are mutually exclusive\n"));
4489 if (opts
->prt_usage
) {
4490 if (argc
== 0 && all_sum
== 0)
4491 allow_usage(un
, B_TRUE
, NULL
);
4498 allow_usage(un
, B_FALSE
,
4499 gettext("invalid options combined with -s\n"));
4501 opts
->dataset
= munge_args(argc
, argv
, un
, 3, &opts
->perms
);
4502 if (argv
[0][0] != '@')
4503 allow_usage(un
, B_FALSE
,
4504 gettext("invalid set name: missing '@' prefix\n"));
4505 opts
->who
= argv
[0];
4506 } else if (opts
->create
) {
4507 if (ldcsuge_sum
> 1)
4508 allow_usage(un
, B_FALSE
,
4509 gettext("invalid options combined with -c\n"));
4510 opts
->dataset
= munge_args(argc
, argv
, un
, 2, &opts
->perms
);
4511 } else if (opts
->everyone
) {
4513 allow_usage(un
, B_FALSE
,
4514 gettext("invalid options combined with -e\n"));
4515 opts
->dataset
= munge_args(argc
, argv
, un
, 2, &opts
->perms
);
4516 } else if (uge_sum
== 0 && argc
> 0 && strcmp(argv
[0], "everyone")
4518 opts
->everyone
= B_TRUE
;
4521 opts
->dataset
= munge_args(argc
, argv
, un
, 2, &opts
->perms
);
4522 } else if (argc
== 1 && !un
) {
4523 opts
->prt_perms
= B_TRUE
;
4524 opts
->dataset
= argv
[argc
-1];
4526 opts
->dataset
= munge_args(argc
, argv
, un
, 3, &opts
->perms
);
4527 opts
->who
= argv
[0];
4530 if (!opts
->local
&& !opts
->descend
) {
4531 opts
->local
= B_TRUE
;
4532 opts
->descend
= B_TRUE
;
4537 store_allow_perm(zfs_deleg_who_type_t type
, boolean_t local
, boolean_t descend
,
4538 const char *who
, char *perms
, nvlist_t
*top_nvl
)
4541 char ld
[2] = { '\0', '\0' };
4542 char who_buf
[ZFS_MAXNAMELEN
+32];
4543 char base_type
= ZFS_DELEG_WHO_UNKNOWN
;
4544 char set_type
= ZFS_DELEG_WHO_UNKNOWN
;
4545 nvlist_t
*base_nvl
= NULL
;
4546 nvlist_t
*set_nvl
= NULL
;
4549 if (nvlist_alloc(&base_nvl
, NV_UNIQUE_NAME
, 0) != 0)
4551 if (nvlist_alloc(&set_nvl
, NV_UNIQUE_NAME
, 0) != 0)
4555 case ZFS_DELEG_NAMED_SET_SETS
:
4556 case ZFS_DELEG_NAMED_SET
:
4557 set_type
= ZFS_DELEG_NAMED_SET_SETS
;
4558 base_type
= ZFS_DELEG_NAMED_SET
;
4559 ld
[0] = ZFS_DELEG_NA
;
4561 case ZFS_DELEG_CREATE_SETS
:
4562 case ZFS_DELEG_CREATE
:
4563 set_type
= ZFS_DELEG_CREATE_SETS
;
4564 base_type
= ZFS_DELEG_CREATE
;
4565 ld
[0] = ZFS_DELEG_NA
;
4567 case ZFS_DELEG_USER_SETS
:
4568 case ZFS_DELEG_USER
:
4569 set_type
= ZFS_DELEG_USER_SETS
;
4570 base_type
= ZFS_DELEG_USER
;
4572 ld
[0] = ZFS_DELEG_LOCAL
;
4574 ld
[1] = ZFS_DELEG_DESCENDENT
;
4576 case ZFS_DELEG_GROUP_SETS
:
4577 case ZFS_DELEG_GROUP
:
4578 set_type
= ZFS_DELEG_GROUP_SETS
;
4579 base_type
= ZFS_DELEG_GROUP
;
4581 ld
[0] = ZFS_DELEG_LOCAL
;
4583 ld
[1] = ZFS_DELEG_DESCENDENT
;
4585 case ZFS_DELEG_EVERYONE_SETS
:
4586 case ZFS_DELEG_EVERYONE
:
4587 set_type
= ZFS_DELEG_EVERYONE_SETS
;
4588 base_type
= ZFS_DELEG_EVERYONE
;
4590 ld
[0] = ZFS_DELEG_LOCAL
;
4592 ld
[1] = ZFS_DELEG_DESCENDENT
;
4597 if (perms
!= NULL
) {
4599 char *end
= curr
+ strlen(perms
);
4601 while (curr
< end
) {
4602 char *delim
= strchr(curr
, ',');
4613 (void) nvlist_add_boolean(nvl
, curr
);
4619 for (i
= 0; i
< 2; i
++) {
4620 char locality
= ld
[i
];
4624 if (!nvlist_empty(base_nvl
)) {
4626 (void) snprintf(who_buf
,
4627 sizeof (who_buf
), "%c%c$%s",
4628 base_type
, locality
, who
);
4630 (void) snprintf(who_buf
,
4631 sizeof (who_buf
), "%c%c$",
4632 base_type
, locality
);
4634 (void) nvlist_add_nvlist(top_nvl
, who_buf
,
4639 if (!nvlist_empty(set_nvl
)) {
4641 (void) snprintf(who_buf
,
4642 sizeof (who_buf
), "%c%c$%s",
4643 set_type
, locality
, who
);
4645 (void) snprintf(who_buf
,
4646 sizeof (who_buf
), "%c%c$",
4647 set_type
, locality
);
4649 (void) nvlist_add_nvlist(top_nvl
, who_buf
,
4654 for (i
= 0; i
< 2; i
++) {
4655 char locality
= ld
[i
];
4660 (void) snprintf(who_buf
, sizeof (who_buf
),
4661 "%c%c$%s", base_type
, locality
, who
);
4663 (void) snprintf(who_buf
, sizeof (who_buf
),
4664 "%c%c$", base_type
, locality
);
4665 (void) nvlist_add_boolean(top_nvl
, who_buf
);
4668 (void) snprintf(who_buf
, sizeof (who_buf
),
4669 "%c%c$%s", set_type
, locality
, who
);
4671 (void) snprintf(who_buf
, sizeof (who_buf
),
4672 "%c%c$", set_type
, locality
);
4673 (void) nvlist_add_boolean(top_nvl
, who_buf
);
4679 construct_fsacl_list(boolean_t un
, struct allow_opts
*opts
, nvlist_t
**nvlp
)
4681 if (nvlist_alloc(nvlp
, NV_UNIQUE_NAME
, 0) != 0)
4685 store_allow_perm(ZFS_DELEG_NAMED_SET
, opts
->local
,
4686 opts
->descend
, opts
->who
, opts
->perms
, *nvlp
);
4687 } else if (opts
->create
) {
4688 store_allow_perm(ZFS_DELEG_CREATE
, opts
->local
,
4689 opts
->descend
, NULL
, opts
->perms
, *nvlp
);
4690 } else if (opts
->everyone
) {
4691 store_allow_perm(ZFS_DELEG_EVERYONE
, opts
->local
,
4692 opts
->descend
, NULL
, opts
->perms
, *nvlp
);
4694 char *curr
= opts
->who
;
4695 char *end
= curr
+ strlen(curr
);
4697 while (curr
< end
) {
4699 zfs_deleg_who_type_t who_type
= ZFS_DELEG_WHO_UNKNOWN
;
4701 char *delim
= strchr(curr
, ',');
4704 struct passwd
*p
= NULL
;
4705 struct group
*g
= NULL
;
4713 rid
= (uid_t
)strtol(curr
, &endch
, 0);
4715 who_type
= ZFS_DELEG_USER
;
4724 (void) snprintf(errbuf
, 256, gettext(
4725 "invalid user %s"), curr
);
4726 allow_usage(un
, B_TRUE
, errbuf
);
4728 } else if (opts
->group
) {
4729 who_type
= ZFS_DELEG_GROUP
;
4738 (void) snprintf(errbuf
, 256, gettext(
4739 "invalid group %s"), curr
);
4740 allow_usage(un
, B_TRUE
, errbuf
);
4743 if (*endch
!= '\0') {
4750 if (*endch
!= '\0') {
4758 who_type
= ZFS_DELEG_USER
;
4760 } else if (g
!= NULL
) {
4761 who_type
= ZFS_DELEG_GROUP
;
4764 (void) snprintf(errbuf
, 256, gettext(
4765 "invalid user/group %s"), curr
);
4766 allow_usage(un
, B_TRUE
, errbuf
);
4770 (void) sprintf(id
, "%u", rid
);
4773 store_allow_perm(who_type
, opts
->local
,
4774 opts
->descend
, who
, opts
->perms
, *nvlp
);
4783 print_set_creat_perms(uu_avl_t
*who_avl
)
4785 const char *sc_title
[] = {
4786 gettext("Permission sets:\n"),
4787 gettext("Create time permissions:\n"),
4790 const char **title_ptr
= sc_title
;
4791 who_perm_node_t
*who_node
= NULL
;
4792 int prev_weight
= -1;
4794 for (who_node
= uu_avl_first(who_avl
); who_node
!= NULL
;
4795 who_node
= uu_avl_next(who_avl
, who_node
)) {
4796 uu_avl_t
*avl
= who_node
->who_perm
.who_deleg_perm_avl
;
4797 zfs_deleg_who_type_t who_type
= who_node
->who_perm
.who_type
;
4798 const char *who_name
= who_node
->who_perm
.who_name
;
4799 int weight
= who_type2weight(who_type
);
4800 boolean_t first
= B_TRUE
;
4801 deleg_perm_node_t
*deleg_node
;
4803 if (prev_weight
!= weight
) {
4804 (void) printf("%s", *title_ptr
++);
4805 prev_weight
= weight
;
4808 if (who_name
== NULL
|| strnlen(who_name
, 1) == 0)
4809 (void) printf("\t");
4811 (void) printf("\t%s ", who_name
);
4813 for (deleg_node
= uu_avl_first(avl
); deleg_node
!= NULL
;
4814 deleg_node
= uu_avl_next(avl
, deleg_node
)) {
4817 deleg_node
->dpn_perm
.dp_name
);
4820 (void) printf(",%s",
4821 deleg_node
->dpn_perm
.dp_name
);
4824 (void) printf("\n");
4829 print_uge_deleg_perms(uu_avl_t
*who_avl
, boolean_t local
, boolean_t descend
,
4832 who_perm_node_t
*who_node
= NULL
;
4833 boolean_t prt_title
= B_TRUE
;
4834 uu_avl_walk_t
*walk
;
4836 if ((walk
= uu_avl_walk_start(who_avl
, UU_WALK_ROBUST
)) == NULL
)
4839 while ((who_node
= uu_avl_walk_next(walk
)) != NULL
) {
4840 const char *who_name
= who_node
->who_perm
.who_name
;
4841 const char *nice_who_name
= who_node
->who_perm
.who_ug_name
;
4842 uu_avl_t
*avl
= who_node
->who_perm
.who_deleg_perm_avl
;
4843 zfs_deleg_who_type_t who_type
= who_node
->who_perm
.who_type
;
4845 deleg_perm_node_t
*deleg_node
;
4846 boolean_t prt_who
= B_TRUE
;
4848 for (deleg_node
= uu_avl_first(avl
);
4850 deleg_node
= uu_avl_next(avl
, deleg_node
)) {
4851 if (local
!= deleg_node
->dpn_perm
.dp_local
||
4852 descend
!= deleg_node
->dpn_perm
.dp_descend
)
4856 const char *who
= NULL
;
4858 prt_title
= B_FALSE
;
4859 (void) printf("%s", title
);
4863 case ZFS_DELEG_USER_SETS
:
4864 case ZFS_DELEG_USER
:
4865 who
= gettext("user");
4867 who_name
= nice_who_name
;
4869 case ZFS_DELEG_GROUP_SETS
:
4870 case ZFS_DELEG_GROUP
:
4871 who
= gettext("group");
4873 who_name
= nice_who_name
;
4875 case ZFS_DELEG_EVERYONE_SETS
:
4876 case ZFS_DELEG_EVERYONE
:
4877 who
= gettext("everyone");
4884 if (who_name
== NULL
)
4885 (void) printf("\t%s", who
);
4887 (void) printf("\t%s %s", who
, who_name
);
4890 (void) printf("%c%s", delim
,
4891 deleg_node
->dpn_perm
.dp_name
);
4896 (void) printf("\n");
4899 uu_avl_walk_end(walk
);
4903 print_fs_perms(fs_perm_set_t
*fspset
)
4905 fs_perm_node_t
*node
= NULL
;
4906 char buf
[ZFS_MAXNAMELEN
+32];
4907 const char *dsname
= buf
;
4909 for (node
= uu_list_first(fspset
->fsps_list
); node
!= NULL
;
4910 node
= uu_list_next(fspset
->fsps_list
, node
)) {
4911 uu_avl_t
*sc_avl
= node
->fspn_fsperm
.fsp_sc_avl
;
4912 uu_avl_t
*uge_avl
= node
->fspn_fsperm
.fsp_uge_avl
;
4915 (void) snprintf(buf
, ZFS_MAXNAMELEN
+32,
4916 gettext("---- Permissions on %s "),
4917 node
->fspn_fsperm
.fsp_name
);
4918 (void) printf("%s", dsname
);
4919 left
= 70 - strlen(buf
);
4922 (void) printf("\n");
4924 print_set_creat_perms(sc_avl
);
4925 print_uge_deleg_perms(uge_avl
, B_TRUE
, B_FALSE
,
4926 gettext("Local permissions:\n"));
4927 print_uge_deleg_perms(uge_avl
, B_FALSE
, B_TRUE
,
4928 gettext("Descendent permissions:\n"));
4929 print_uge_deleg_perms(uge_avl
, B_TRUE
, B_TRUE
,
4930 gettext("Local+Descendent permissions:\n"));
4934 static fs_perm_set_t fs_perm_set
= { NULL
, NULL
, NULL
, NULL
};
4936 struct deleg_perms
{
4942 set_deleg_perms(zfs_handle_t
*zhp
, void *data
)
4944 struct deleg_perms
*perms
= (struct deleg_perms
*)data
;
4945 zfs_type_t zfs_type
= zfs_get_type(zhp
);
4947 if (zfs_type
!= ZFS_TYPE_FILESYSTEM
&& zfs_type
!= ZFS_TYPE_VOLUME
)
4950 return (zfs_set_fsacl(zhp
, perms
->un
, perms
->nvl
));
4954 zfs_do_allow_unallow_impl(int argc
, char **argv
, boolean_t un
)
4957 nvlist_t
*perm_nvl
= NULL
;
4958 nvlist_t
*update_perm_nvl
= NULL
;
4961 struct allow_opts opts
= { 0 };
4963 const char *optstr
= un
? "ldugecsrh" : "ldugecsh";
4966 while ((c
= getopt(argc
, argv
, optstr
)) != -1) {
4969 opts
.local
= B_TRUE
;
4972 opts
.descend
= B_TRUE
;
4978 opts
.group
= B_TRUE
;
4981 opts
.everyone
= B_TRUE
;
4987 opts
.create
= B_TRUE
;
4990 opts
.recursive
= B_TRUE
;
4993 (void) fprintf(stderr
, gettext("missing argument for "
4994 "'%c' option\n"), optopt
);
4998 opts
.prt_usage
= B_TRUE
;
5001 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
5010 /* check arguments */
5011 parse_allow_args(argc
, argv
, un
, &opts
);
5013 /* try to open the dataset */
5014 if ((zhp
= zfs_open(g_zfs
, opts
.dataset
, ZFS_TYPE_FILESYSTEM
|
5015 ZFS_TYPE_VOLUME
)) == NULL
) {
5016 (void) fprintf(stderr
, "Failed to open dataset: %s\n",
5021 if (zfs_get_fsacl(zhp
, &perm_nvl
) != 0)
5024 fs_perm_set_init(&fs_perm_set
);
5025 if (parse_fs_perm_set(&fs_perm_set
, perm_nvl
) != 0) {
5026 (void) fprintf(stderr
, "Failed to parse fsacl permissions\n");
5031 print_fs_perms(&fs_perm_set
);
5033 (void) construct_fsacl_list(un
, &opts
, &update_perm_nvl
);
5034 if (zfs_set_fsacl(zhp
, un
, update_perm_nvl
) != 0)
5037 if (un
&& opts
.recursive
) {
5038 struct deleg_perms data
= { un
, update_perm_nvl
};
5039 if (zfs_iter_filesystems(zhp
, set_deleg_perms
,
5048 nvlist_free(perm_nvl
);
5049 if (update_perm_nvl
!= NULL
)
5050 nvlist_free(update_perm_nvl
);
5052 fs_perm_set_fini(&fs_perm_set
);
5060 * zfs allow [-r] [-t] <tag> <snap> ...
5062 * -r Recursively hold
5063 * -t Temporary hold (hidden option)
5065 * Apply a user-hold with the given tag to the list of snapshots.
5068 zfs_do_allow(int argc
, char **argv
)
5070 return (zfs_do_allow_unallow_impl(argc
, argv
, B_FALSE
));
5074 * zfs unallow [-r] [-t] <tag> <snap> ...
5076 * -r Recursively hold
5077 * -t Temporary hold (hidden option)
5079 * Apply a user-hold with the given tag to the list of snapshots.
5082 zfs_do_unallow(int argc
, char **argv
)
5084 return (zfs_do_allow_unallow_impl(argc
, argv
, B_TRUE
));
5088 zfs_do_hold_rele_impl(int argc
, char **argv
, boolean_t holding
)
5093 boolean_t recursive
= B_FALSE
;
5094 boolean_t temphold
= B_FALSE
;
5095 const char *opts
= holding
? "rt" : "r";
5099 while ((c
= getopt(argc
, argv
, opts
)) != -1) {
5108 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
5117 /* check number of arguments */
5125 if (holding
&& tag
[0] == '.') {
5126 /* tags starting with '.' are reserved for libzfs */
5127 (void) fprintf(stderr
, gettext("tag may not start with '.'\n"));
5131 for (i
= 0; i
< argc
; ++i
) {
5133 char parent
[ZFS_MAXNAMELEN
];
5135 char *path
= argv
[i
];
5137 delim
= strchr(path
, '@');
5138 if (delim
== NULL
) {
5139 (void) fprintf(stderr
,
5140 gettext("'%s' is not a snapshot\n"), path
);
5144 (void) strncpy(parent
, path
, delim
- path
);
5145 parent
[delim
- path
] = '\0';
5147 zhp
= zfs_open(g_zfs
, parent
,
5148 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
);
5154 if (zfs_hold(zhp
, delim
+1, tag
, recursive
,
5155 temphold
, B_FALSE
, -1, 0, 0) != 0)
5158 if (zfs_release(zhp
, delim
+1, tag
, recursive
) != 0)
5164 return (errors
!= 0);
5168 * zfs hold [-r] [-t] <tag> <snap> ...
5170 * -r Recursively hold
5171 * -t Temporary hold (hidden option)
5173 * Apply a user-hold with the given tag to the list of snapshots.
5176 zfs_do_hold(int argc
, char **argv
)
5178 return (zfs_do_hold_rele_impl(argc
, argv
, B_TRUE
));
5182 * zfs release [-r] <tag> <snap> ...
5184 * -r Recursively release
5186 * Release a user-hold with the given tag from the list of snapshots.
5189 zfs_do_release(int argc
, char **argv
)
5191 return (zfs_do_hold_rele_impl(argc
, argv
, B_FALSE
));
5194 typedef struct holds_cbdata
{
5195 boolean_t cb_recursive
;
5196 const char *cb_snapname
;
5198 size_t cb_max_namelen
;
5199 size_t cb_max_taglen
;
5202 #define STRFTIME_FMT_STR "%a %b %e %k:%M %Y"
5203 #define DATETIME_BUF_LEN (32)
5208 print_holds(boolean_t scripted
, int nwidth
, int tagwidth
, nvlist_t
*nvl
)
5211 nvpair_t
*nvp
= NULL
;
5212 char *hdr_cols
[] = { "NAME", "TAG", "TIMESTAMP" };
5216 for (i
= 0; i
< 3; i
++) {
5217 col
= gettext(hdr_cols
[i
]);
5219 (void) printf("%-*s ", i
? tagwidth
: nwidth
,
5222 (void) printf("%s\n", col
);
5226 while ((nvp
= nvlist_next_nvpair(nvl
, nvp
)) != NULL
) {
5227 char *zname
= nvpair_name(nvp
);
5229 nvpair_t
*nvp2
= NULL
;
5230 (void) nvpair_value_nvlist(nvp
, &nvl2
);
5231 while ((nvp2
= nvlist_next_nvpair(nvl2
, nvp2
)) != NULL
) {
5232 char tsbuf
[DATETIME_BUF_LEN
];
5233 char *tagname
= nvpair_name(nvp2
);
5237 char sep
= scripted
? '\t' : ' ';
5238 int sepnum
= scripted
? 1 : 2;
5240 (void) nvpair_value_uint64(nvp2
, &val
);
5242 (void) localtime_r(&time
, &t
);
5243 (void) strftime(tsbuf
, DATETIME_BUF_LEN
,
5244 gettext(STRFTIME_FMT_STR
), &t
);
5246 (void) printf("%-*s%*c%-*s%*c%s\n", nwidth
, zname
,
5247 sepnum
, sep
, tagwidth
, tagname
, sepnum
, sep
, tsbuf
);
5253 * Generic callback function to list a dataset or snapshot.
5256 holds_callback(zfs_handle_t
*zhp
, void *data
)
5258 holds_cbdata_t
*cbp
= data
;
5259 nvlist_t
*top_nvl
= *cbp
->cb_nvlp
;
5260 nvlist_t
*nvl
= NULL
;
5261 nvpair_t
*nvp
= NULL
;
5262 const char *zname
= zfs_get_name(zhp
);
5263 size_t znamelen
= strnlen(zname
, ZFS_MAXNAMELEN
);
5265 if (cbp
->cb_recursive
) {
5266 const char *snapname
;
5267 char *delim
= strchr(zname
, '@');
5271 snapname
= delim
+ 1;
5272 if (strcmp(cbp
->cb_snapname
, snapname
))
5276 if (zfs_get_holds(zhp
, &nvl
) != 0)
5279 if (znamelen
> cbp
->cb_max_namelen
)
5280 cbp
->cb_max_namelen
= znamelen
;
5282 while ((nvp
= nvlist_next_nvpair(nvl
, nvp
)) != NULL
) {
5283 const char *tag
= nvpair_name(nvp
);
5284 size_t taglen
= strnlen(tag
, MAXNAMELEN
);
5285 if (taglen
> cbp
->cb_max_taglen
)
5286 cbp
->cb_max_taglen
= taglen
;
5289 return (nvlist_add_nvlist(top_nvl
, zname
, nvl
));
5293 * zfs holds [-r] <snap> ...
5295 * -r Recursively hold
5298 zfs_do_holds(int argc
, char **argv
)
5303 boolean_t scripted
= B_FALSE
;
5304 boolean_t recursive
= B_FALSE
;
5305 const char *opts
= "rH";
5308 int types
= ZFS_TYPE_SNAPSHOT
;
5309 holds_cbdata_t cb
= { 0 };
5316 while ((c
= getopt(argc
, argv
, opts
)) != -1) {
5325 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
5332 types
|= ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
;
5333 flags
|= ZFS_ITER_RECURSE
;
5339 /* check number of arguments */
5343 if (nvlist_alloc(&nvl
, NV_UNIQUE_NAME
, 0) != 0)
5346 for (i
= 0; i
< argc
; ++i
) {
5347 char *snapshot
= argv
[i
];
5349 const char *snapname
;
5351 delim
= strchr(snapshot
, '@');
5352 if (delim
== NULL
) {
5353 (void) fprintf(stderr
,
5354 gettext("'%s' is not a snapshot\n"), snapshot
);
5358 snapname
= delim
+ 1;
5360 snapshot
[delim
- snapshot
] = '\0';
5362 cb
.cb_recursive
= recursive
;
5363 cb
.cb_snapname
= snapname
;
5367 * 1. collect holds data, set format options
5369 ret
= zfs_for_each(argc
, argv
, flags
, types
, NULL
, NULL
, limit
,
5370 holds_callback
, &cb
);
5376 * 2. print holds data
5378 print_holds(scripted
, cb
.cb_max_namelen
, cb
.cb_max_taglen
, nvl
);
5380 if (nvlist_empty(nvl
))
5381 (void) fprintf(stderr
, gettext("no datasets available\n"));
5385 return (0 != errors
);
5388 #define CHECK_SPINNER 30
5389 #define SPINNER_TIME 3 /* seconds */
5390 #define MOUNT_TIME 5 /* seconds */
5393 get_one_dataset(zfs_handle_t
*zhp
, void *data
)
5395 static char *spin
[] = { "-", "\\", "|", "/" };
5396 static int spinval
= 0;
5397 static int spincheck
= 0;
5398 static time_t last_spin_time
= (time_t)0;
5399 get_all_cb_t
*cbp
= data
;
5400 zfs_type_t type
= zfs_get_type(zhp
);
5402 if (cbp
->cb_verbose
) {
5403 if (--spincheck
< 0) {
5404 time_t now
= time(NULL
);
5405 if (last_spin_time
+ SPINNER_TIME
< now
) {
5406 update_progress(spin
[spinval
++ % 4]);
5407 last_spin_time
= now
;
5409 spincheck
= CHECK_SPINNER
;
5414 * Interate over any nested datasets.
5416 if (zfs_iter_filesystems(zhp
, get_one_dataset
, data
) != 0) {
5422 * Skip any datasets whose type does not match.
5424 if ((type
& ZFS_TYPE_FILESYSTEM
) == 0) {
5428 libzfs_add_handle(cbp
, zhp
);
5429 assert(cbp
->cb_used
<= cbp
->cb_alloc
);
5435 get_all_datasets(zfs_handle_t
***dslist
, size_t *count
, boolean_t verbose
)
5437 get_all_cb_t cb
= { 0 };
5438 cb
.cb_verbose
= verbose
;
5439 cb
.cb_getone
= get_one_dataset
;
5442 set_progress_header(gettext("Reading ZFS config"));
5443 (void) zfs_iter_root(g_zfs
, get_one_dataset
, &cb
);
5445 *dslist
= cb
.cb_handles
;
5446 *count
= cb
.cb_used
;
5449 finish_progress(gettext("done."));
5453 * Generic callback for sharing or mounting filesystems. Because the code is so
5454 * similar, we have a common function with an extra parameter to determine which
5455 * mode we are using.
5457 #define OP_SHARE 0x1
5458 #define OP_MOUNT 0x2
5461 * Share or mount a dataset.
5464 share_mount_one(zfs_handle_t
*zhp
, int op
, int flags
, char *protocol
,
5465 boolean_t
explicit, const char *options
)
5467 char mountpoint
[ZFS_MAXPROPLEN
];
5468 char shareopts
[ZFS_MAXPROPLEN
];
5469 char smbshareopts
[ZFS_MAXPROPLEN
];
5470 const char *cmdname
= op
== OP_SHARE
? "share" : "mount";
5472 uint64_t zoned
, canmount
;
5473 boolean_t shared_nfs
, shared_smb
;
5475 assert(zfs_get_type(zhp
) & ZFS_TYPE_FILESYSTEM
);
5478 * Check to make sure we can mount/share this dataset. If we
5479 * are in the global zone and the filesystem is exported to a
5480 * local zone, or if we are in a local zone and the
5481 * filesystem is not exported, then it is an error.
5483 zoned
= zfs_prop_get_int(zhp
, ZFS_PROP_ZONED
);
5485 if (zoned
&& getzoneid() == GLOBAL_ZONEID
) {
5489 (void) fprintf(stderr
, gettext("cannot %s '%s': "
5490 "dataset is exported to a local zone\n"), cmdname
,
5494 } else if (!zoned
&& getzoneid() != GLOBAL_ZONEID
) {
5498 (void) fprintf(stderr
, gettext("cannot %s '%s': "
5499 "permission denied\n"), cmdname
,
5505 * Ignore any filesystems which don't apply to us. This
5506 * includes those with a legacy mountpoint, or those with
5507 * legacy share options.
5509 verify(zfs_prop_get(zhp
, ZFS_PROP_MOUNTPOINT
, mountpoint
,
5510 sizeof (mountpoint
), NULL
, NULL
, 0, B_FALSE
) == 0);
5511 verify(zfs_prop_get(zhp
, ZFS_PROP_SHARENFS
, shareopts
,
5512 sizeof (shareopts
), NULL
, NULL
, 0, B_FALSE
) == 0);
5513 verify(zfs_prop_get(zhp
, ZFS_PROP_SHARESMB
, smbshareopts
,
5514 sizeof (smbshareopts
), NULL
, NULL
, 0, B_FALSE
) == 0);
5516 if (op
== OP_SHARE
&& strcmp(shareopts
, "off") == 0 &&
5517 strcmp(smbshareopts
, "off") == 0) {
5521 (void) fprintf(stderr
, gettext("cannot share '%s': "
5522 "legacy share\n"), zfs_get_name(zhp
));
5523 (void) fprintf(stderr
, gettext("use share(1M) to "
5524 "share this filesystem, or set "
5525 "sharenfs property on\n"));
5530 * We cannot share or mount legacy filesystems. If the
5531 * shareopts is non-legacy but the mountpoint is legacy, we
5532 * treat it as a legacy share.
5534 if (strcmp(mountpoint
, "legacy") == 0) {
5538 (void) fprintf(stderr
, gettext("cannot %s '%s': "
5539 "legacy mountpoint\n"), cmdname
, zfs_get_name(zhp
));
5540 (void) fprintf(stderr
, gettext("use %s(1M) to "
5541 "%s this filesystem\n"), cmdname
, cmdname
);
5545 if (strcmp(mountpoint
, "none") == 0) {
5549 (void) fprintf(stderr
, gettext("cannot %s '%s': no "
5550 "mountpoint set\n"), cmdname
, zfs_get_name(zhp
));
5555 * canmount explicit outcome
5556 * on no pass through
5557 * on yes pass through
5559 * off yes display error, return 1
5560 * noauto no return 0
5561 * noauto yes pass through
5563 canmount
= zfs_prop_get_int(zhp
, ZFS_PROP_CANMOUNT
);
5564 if (canmount
== ZFS_CANMOUNT_OFF
) {
5568 (void) fprintf(stderr
, gettext("cannot %s '%s': "
5569 "'canmount' property is set to 'off'\n"), cmdname
,
5572 } else if (canmount
== ZFS_CANMOUNT_NOAUTO
&& !explicit) {
5577 * At this point, we have verified that the mountpoint and/or
5578 * shareopts are appropriate for auto management. If the
5579 * filesystem is already mounted or shared, return (failing
5580 * for explicit requests); otherwise mount or share the
5586 shared_nfs
= zfs_is_shared_nfs(zhp
, NULL
);
5587 shared_smb
= zfs_is_shared_smb(zhp
, NULL
);
5589 if ((shared_nfs
&& shared_smb
) ||
5590 ((shared_nfs
&& strcmp(shareopts
, "on") == 0) &&
5591 (strcmp(smbshareopts
, "off") == 0)) ||
5592 ((shared_smb
&& strcmp(smbshareopts
, "on") == 0) &&
5593 (strcmp(shareopts
, "off") == 0))) {
5597 (void) fprintf(stderr
, gettext("cannot share "
5598 "'%s': filesystem already shared\n"),
5603 if (!zfs_is_mounted(zhp
, NULL
) &&
5604 zfs_mount(zhp
, NULL
, 0) != 0)
5607 if (protocol
== NULL
) {
5608 if (zfs_shareall(zhp
) != 0)
5610 } else if (strcmp(protocol
, "nfs") == 0) {
5611 if (zfs_share_nfs(zhp
))
5613 } else if (strcmp(protocol
, "smb") == 0) {
5614 if (zfs_share_smb(zhp
))
5617 (void) fprintf(stderr
, gettext("cannot share "
5618 "'%s': invalid share type '%s' "
5620 zfs_get_name(zhp
), protocol
);
5627 if (options
== NULL
)
5628 mnt
.mnt_mntopts
= "";
5630 mnt
.mnt_mntopts
= (char *)options
;
5632 if (!hasmntopt(&mnt
, MNTOPT_REMOUNT
) &&
5633 zfs_is_mounted(zhp
, NULL
)) {
5637 (void) fprintf(stderr
, gettext("cannot mount "
5638 "'%s': filesystem already mounted\n"),
5643 if (zfs_mount(zhp
, options
, flags
) != 0)
5652 * Reports progress in the form "(current/total)". Not thread-safe.
5655 report_mount_progress(int current
, int total
)
5657 static time_t last_progress_time
= 0;
5658 time_t now
= time(NULL
);
5661 /* report 1..n instead of 0..n-1 */
5664 /* display header if we're here for the first time */
5666 set_progress_header(gettext("Mounting ZFS filesystems"));
5667 } else if (current
!= total
&& last_progress_time
+ MOUNT_TIME
>= now
) {
5668 /* too soon to report again */
5672 last_progress_time
= now
;
5674 (void) sprintf(info
, "(%d/%d)", current
, total
);
5676 if (current
== total
)
5677 finish_progress(info
);
5679 update_progress(info
);
5683 append_options(char *mntopts
, char *newopts
)
5685 int len
= strlen(mntopts
);
5687 /* original length plus new string to append plus 1 for the comma */
5688 if (len
+ 1 + strlen(newopts
) >= MNT_LINE_MAX
) {
5689 (void) fprintf(stderr
, gettext("the opts argument for "
5690 "'%s' option is too long (more than %d chars)\n"),
5691 "-o", MNT_LINE_MAX
);
5696 mntopts
[len
++] = ',';
5698 (void) strcpy(&mntopts
[len
], newopts
);
5702 share_mount(int op
, int argc
, char **argv
)
5705 boolean_t verbose
= B_FALSE
;
5707 char *options
= NULL
;
5711 while ((c
= getopt(argc
, argv
, op
== OP_MOUNT
? ":avo:O" : "a"))
5721 if (*optarg
== '\0') {
5722 (void) fprintf(stderr
, gettext("empty mount "
5723 "options (-o) specified\n"));
5727 if (options
== NULL
)
5728 options
= safe_malloc(MNT_LINE_MAX
+ 1);
5730 /* option validation is done later */
5731 append_options(options
, optarg
);
5734 flags
|= MS_OVERLAY
;
5737 (void) fprintf(stderr
, gettext("missing argument for "
5738 "'%c' option\n"), optopt
);
5742 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
5751 /* check number of arguments */
5753 zfs_handle_t
**dslist
= NULL
;
5754 size_t i
, count
= 0;
5755 char *protocol
= NULL
;
5757 if (op
== OP_SHARE
&& argc
> 0) {
5758 if (strcmp(argv
[0], "nfs") != 0 &&
5759 strcmp(argv
[0], "smb") != 0) {
5760 (void) fprintf(stderr
, gettext("share type "
5761 "must be 'nfs' or 'smb'\n"));
5770 (void) fprintf(stderr
, gettext("too many arguments\n"));
5774 start_progress_timer();
5775 get_all_datasets(&dslist
, &count
, verbose
);
5780 qsort(dslist
, count
, sizeof (void *), libzfs_dataset_cmp
);
5782 for (i
= 0; i
< count
; i
++) {
5784 report_mount_progress(i
, count
);
5786 if (share_mount_one(dslist
[i
], op
, flags
, protocol
,
5787 B_FALSE
, options
) != 0)
5789 zfs_close(dslist
[i
]);
5793 } else if (argc
== 0) {
5794 struct mnttab entry
;
5796 if ((op
== OP_SHARE
) || (options
!= NULL
)) {
5797 (void) fprintf(stderr
, gettext("missing filesystem "
5798 "argument (specify -a for all)\n"));
5803 * When mount is given no arguments, go through /etc/mtab and
5804 * display any active ZFS mounts. We hide any snapshots, since
5805 * they are controlled automatically.
5807 rewind(mnttab_file
);
5808 while (getmntent(mnttab_file
, &entry
) == 0) {
5809 if (strcmp(entry
.mnt_fstype
, MNTTYPE_ZFS
) != 0 ||
5810 strchr(entry
.mnt_special
, '@') != NULL
)
5813 (void) printf("%-30s %s\n", entry
.mnt_special
,
5821 (void) fprintf(stderr
,
5822 gettext("too many arguments\n"));
5826 if ((zhp
= zfs_open(g_zfs
, argv
[0],
5827 ZFS_TYPE_FILESYSTEM
)) == NULL
) {
5830 ret
= share_mount_one(zhp
, op
, flags
, NULL
, B_TRUE
,
5840 * zfs mount -a [nfs]
5841 * zfs mount filesystem
5843 * Mount all filesystems, or mount the given filesystem.
5846 zfs_do_mount(int argc
, char **argv
)
5848 return (share_mount(OP_MOUNT
, argc
, argv
));
5852 * zfs share -a [nfs | smb]
5853 * zfs share filesystem
5855 * Share all filesystems, or share the given filesystem.
5858 zfs_do_share(int argc
, char **argv
)
5860 return (share_mount(OP_SHARE
, argc
, argv
));
5863 typedef struct unshare_unmount_node
{
5864 zfs_handle_t
*un_zhp
;
5866 uu_avl_node_t un_avlnode
;
5867 } unshare_unmount_node_t
;
5871 unshare_unmount_compare(const void *larg
, const void *rarg
, void *unused
)
5873 const unshare_unmount_node_t
*l
= larg
;
5874 const unshare_unmount_node_t
*r
= rarg
;
5876 return (strcmp(l
->un_mountp
, r
->un_mountp
));
5880 * Convenience routine used by zfs_do_umount() and manual_unmount(). Given an
5881 * absolute path, find the entry /etc/mtab, verify that its a ZFS filesystem,
5882 * and unmount it appropriately.
5885 unshare_unmount_path(int op
, char *path
, int flags
, boolean_t is_manual
)
5889 struct stat64 statbuf
;
5890 struct extmnttab entry
;
5891 const char *cmdname
= (op
== OP_SHARE
) ? "unshare" : "unmount";
5895 * Search for the path in /etc/mtab. Rather than looking for the
5896 * specific path, which can be fooled by non-standard paths (i.e. ".."
5897 * or "//"), we stat() the path and search for the corresponding
5898 * (major,minor) device pair.
5900 if (stat64(path
, &statbuf
) != 0) {
5901 (void) fprintf(stderr
, gettext("cannot %s '%s': %s\n"),
5902 cmdname
, path
, strerror(errno
));
5905 path_inode
= statbuf
.st_ino
;
5908 * Search for the given (major,minor) pair in the mount table.
5910 rewind(mnttab_file
);
5911 while ((ret
= getextmntent(mnttab_file
, &entry
, 0)) == 0) {
5912 if (entry
.mnt_major
== major(statbuf
.st_dev
) &&
5913 entry
.mnt_minor
== minor(statbuf
.st_dev
))
5917 if (op
== OP_SHARE
) {
5918 (void) fprintf(stderr
, gettext("cannot %s '%s': not "
5919 "currently mounted\n"), cmdname
, path
);
5922 (void) fprintf(stderr
, gettext("warning: %s not in mtab\n"),
5924 if ((ret
= umount2(path
, flags
)) != 0)
5925 (void) fprintf(stderr
, gettext("%s: %s\n"), path
,
5930 if (strcmp(entry
.mnt_fstype
, MNTTYPE_ZFS
) != 0) {
5931 (void) fprintf(stderr
, gettext("cannot %s '%s': not a ZFS "
5932 "filesystem\n"), cmdname
, path
);
5936 if ((zhp
= zfs_open(g_zfs
, entry
.mnt_special
,
5937 ZFS_TYPE_FILESYSTEM
)) == NULL
)
5941 if (stat64(entry
.mnt_mountp
, &statbuf
) != 0) {
5942 (void) fprintf(stderr
, gettext("cannot %s '%s': %s\n"),
5943 cmdname
, path
, strerror(errno
));
5945 } else if (statbuf
.st_ino
!= path_inode
) {
5946 (void) fprintf(stderr
, gettext("cannot "
5947 "%s '%s': not a mountpoint\n"), cmdname
, path
);
5951 if (op
== OP_SHARE
) {
5952 char nfs_mnt_prop
[ZFS_MAXPROPLEN
];
5953 char smbshare_prop
[ZFS_MAXPROPLEN
];
5955 verify(zfs_prop_get(zhp
, ZFS_PROP_SHARENFS
, nfs_mnt_prop
,
5956 sizeof (nfs_mnt_prop
), NULL
, NULL
, 0, B_FALSE
) == 0);
5957 verify(zfs_prop_get(zhp
, ZFS_PROP_SHARESMB
, smbshare_prop
,
5958 sizeof (smbshare_prop
), NULL
, NULL
, 0, B_FALSE
) == 0);
5960 if (strcmp(nfs_mnt_prop
, "off") == 0 &&
5961 strcmp(smbshare_prop
, "off") == 0) {
5962 (void) fprintf(stderr
, gettext("cannot unshare "
5963 "'%s': legacy share\n"), path
);
5964 (void) fprintf(stderr
, gettext("use exportfs(8) "
5965 "or smbcontrol(1) to unshare this filesystem\n"));
5966 } else if (!zfs_is_shared(zhp
)) {
5967 (void) fprintf(stderr
, gettext("cannot unshare '%s': "
5968 "not currently shared\n"), path
);
5970 ret
= zfs_unshareall_bypath(zhp
, path
);
5973 char mtpt_prop
[ZFS_MAXPROPLEN
];
5975 verify(zfs_prop_get(zhp
, ZFS_PROP_MOUNTPOINT
, mtpt_prop
,
5976 sizeof (mtpt_prop
), NULL
, NULL
, 0, B_FALSE
) == 0);
5979 ret
= zfs_unmount(zhp
, NULL
, flags
);
5980 } else if (strcmp(mtpt_prop
, "legacy") == 0) {
5981 (void) fprintf(stderr
, gettext("cannot unmount "
5982 "'%s': legacy mountpoint\n"),
5984 (void) fprintf(stderr
, gettext("use umount(8) "
5985 "to unmount this filesystem\n"));
5987 ret
= zfs_unmountall(zhp
, flags
);
5998 * Generic callback for unsharing or unmounting a filesystem.
6001 unshare_unmount(int op
, int argc
, char **argv
)
6008 char nfs_mnt_prop
[ZFS_MAXPROPLEN
];
6009 char sharesmb
[ZFS_MAXPROPLEN
];
6012 while ((c
= getopt(argc
, argv
, op
== OP_SHARE
? "a" : "af")) != -1) {
6021 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
6032 * We could make use of zfs_for_each() to walk all datasets in
6033 * the system, but this would be very inefficient, especially
6034 * since we would have to linearly search /etc/mtab for each
6035 * one. Instead, do one pass through /etc/mtab looking for
6036 * zfs entries and call zfs_unmount() for each one.
6038 * Things get a little tricky if the administrator has created
6039 * mountpoints beneath other ZFS filesystems. In this case, we
6040 * have to unmount the deepest filesystems first. To accomplish
6041 * this, we place all the mountpoints in an AVL tree sorted by
6042 * the special type (dataset name), and walk the result in
6043 * reverse to make sure to get any snapshots first.
6045 struct mnttab entry
;
6046 uu_avl_pool_t
*pool
;
6047 uu_avl_t
*tree
= NULL
;
6048 unshare_unmount_node_t
*node
;
6050 uu_avl_walk_t
*walk
;
6053 (void) fprintf(stderr
, gettext("too many arguments\n"));
6057 if (((pool
= uu_avl_pool_create("unmount_pool",
6058 sizeof (unshare_unmount_node_t
),
6059 offsetof(unshare_unmount_node_t
, un_avlnode
),
6060 unshare_unmount_compare
, UU_DEFAULT
)) == NULL
) ||
6061 ((tree
= uu_avl_create(pool
, NULL
, UU_DEFAULT
)) == NULL
))
6064 rewind(mnttab_file
);
6065 while (getmntent(mnttab_file
, &entry
) == 0) {
6067 /* ignore non-ZFS entries */
6068 if (strcmp(entry
.mnt_fstype
, MNTTYPE_ZFS
) != 0)
6071 /* ignore snapshots */
6072 if (strchr(entry
.mnt_special
, '@') != NULL
)
6075 if ((zhp
= zfs_open(g_zfs
, entry
.mnt_special
,
6076 ZFS_TYPE_FILESYSTEM
)) == NULL
) {
6083 verify(zfs_prop_get(zhp
, ZFS_PROP_SHARENFS
,
6085 sizeof (nfs_mnt_prop
),
6086 NULL
, NULL
, 0, B_FALSE
) == 0);
6087 if (strcmp(nfs_mnt_prop
, "off") != 0)
6089 verify(zfs_prop_get(zhp
, ZFS_PROP_SHARESMB
,
6091 sizeof (nfs_mnt_prop
),
6092 NULL
, NULL
, 0, B_FALSE
) == 0);
6093 if (strcmp(nfs_mnt_prop
, "off") == 0)
6097 /* Ignore legacy mounts */
6098 verify(zfs_prop_get(zhp
, ZFS_PROP_MOUNTPOINT
,
6100 sizeof (nfs_mnt_prop
),
6101 NULL
, NULL
, 0, B_FALSE
) == 0);
6102 if (strcmp(nfs_mnt_prop
, "legacy") == 0)
6104 /* Ignore canmount=noauto mounts */
6105 if (zfs_prop_get_int(zhp
, ZFS_PROP_CANMOUNT
) ==
6106 ZFS_CANMOUNT_NOAUTO
)
6112 node
= safe_malloc(sizeof (unshare_unmount_node_t
));
6114 node
->un_mountp
= safe_strdup(entry
.mnt_mountp
);
6116 uu_avl_node_init(node
, &node
->un_avlnode
, pool
);
6118 if (uu_avl_find(tree
, node
, NULL
, &idx
) == NULL
) {
6119 uu_avl_insert(tree
, node
, idx
);
6121 zfs_close(node
->un_zhp
);
6122 free(node
->un_mountp
);
6128 * Walk the AVL tree in reverse, unmounting each filesystem and
6129 * removing it from the AVL tree in the process.
6131 if ((walk
= uu_avl_walk_start(tree
,
6132 UU_WALK_REVERSE
| UU_WALK_ROBUST
)) == NULL
)
6135 while ((node
= uu_avl_walk_next(walk
)) != NULL
) {
6136 uu_avl_remove(tree
, node
);
6140 if (zfs_unshareall_bypath(node
->un_zhp
,
6141 node
->un_mountp
) != 0)
6146 if (zfs_unmount(node
->un_zhp
,
6147 node
->un_mountp
, flags
) != 0)
6152 zfs_close(node
->un_zhp
);
6153 free(node
->un_mountp
);
6157 uu_avl_walk_end(walk
);
6158 uu_avl_destroy(tree
);
6159 uu_avl_pool_destroy(pool
);
6164 (void) fprintf(stderr
,
6165 gettext("missing filesystem argument\n"));
6167 (void) fprintf(stderr
,
6168 gettext("too many arguments\n"));
6173 * We have an argument, but it may be a full path or a ZFS
6174 * filesystem. Pass full paths off to unmount_path() (shared by
6175 * manual_unmount), otherwise open the filesystem and pass to
6178 if (argv
[0][0] == '/')
6179 return (unshare_unmount_path(op
, argv
[0],
6182 if ((zhp
= zfs_open(g_zfs
, argv
[0],
6183 ZFS_TYPE_FILESYSTEM
)) == NULL
)
6186 verify(zfs_prop_get(zhp
, op
== OP_SHARE
?
6187 ZFS_PROP_SHARENFS
: ZFS_PROP_MOUNTPOINT
,
6188 nfs_mnt_prop
, sizeof (nfs_mnt_prop
), NULL
,
6189 NULL
, 0, B_FALSE
) == 0);
6193 verify(zfs_prop_get(zhp
, ZFS_PROP_SHARENFS
,
6195 sizeof (nfs_mnt_prop
),
6196 NULL
, NULL
, 0, B_FALSE
) == 0);
6197 verify(zfs_prop_get(zhp
, ZFS_PROP_SHARESMB
,
6198 sharesmb
, sizeof (sharesmb
), NULL
, NULL
,
6201 if (strcmp(nfs_mnt_prop
, "off") == 0 &&
6202 strcmp(sharesmb
, "off") == 0) {
6203 (void) fprintf(stderr
, gettext("cannot "
6204 "unshare '%s': legacy share\n"),
6206 (void) fprintf(stderr
, gettext("use "
6207 "unshare(1M) to unshare this "
6210 } else if (!zfs_is_shared(zhp
)) {
6211 (void) fprintf(stderr
, gettext("cannot "
6212 "unshare '%s': not currently "
6213 "shared\n"), zfs_get_name(zhp
));
6215 } else if (zfs_unshareall(zhp
) != 0) {
6221 if (strcmp(nfs_mnt_prop
, "legacy") == 0) {
6222 (void) fprintf(stderr
, gettext("cannot "
6223 "unmount '%s': legacy "
6224 "mountpoint\n"), zfs_get_name(zhp
));
6225 (void) fprintf(stderr
, gettext("use "
6226 "umount(1M) to unmount this "
6229 } else if (!zfs_is_mounted(zhp
, NULL
)) {
6230 (void) fprintf(stderr
, gettext("cannot "
6231 "unmount '%s': not currently "
6235 } else if (zfs_unmountall(zhp
, flags
) != 0) {
6249 * zfs unmount filesystem
6251 * Unmount all filesystems, or a specific ZFS filesystem.
6254 zfs_do_unmount(int argc
, char **argv
)
6256 return (unshare_unmount(OP_MOUNT
, argc
, argv
));
6261 * zfs unshare filesystem
6263 * Unshare all filesystems, or a specific ZFS filesystem.
6266 zfs_do_unshare(int argc
, char **argv
)
6268 return (unshare_unmount(OP_SHARE
, argc
, argv
));
6272 find_command_idx(char *command
, int *idx
)
6276 for (i
= 0; i
< NCOMMAND
; i
++) {
6277 if (command_table
[i
].name
== NULL
)
6280 if (strcmp(command
, command_table
[i
].name
) == 0) {
6289 zfs_do_diff(int argc
, char **argv
)
6293 char *tosnap
= NULL
;
6294 char *fromsnap
= NULL
;
6299 while ((c
= getopt(argc
, argv
, "FHt")) != -1) {
6302 flags
|= ZFS_DIFF_CLASSIFY
;
6305 flags
|= ZFS_DIFF_PARSEABLE
;
6308 flags
|= ZFS_DIFF_TIMESTAMP
;
6311 (void) fprintf(stderr
,
6312 gettext("invalid option '%c'\n"), optopt
);
6321 (void) fprintf(stderr
,
6322 gettext("must provide at least one snapshot name\n"));
6327 (void) fprintf(stderr
, gettext("too many arguments\n"));
6332 tosnap
= (argc
== 2) ? argv
[1] : NULL
;
6335 if (*fromsnap
!= '@')
6336 copy
= strdup(fromsnap
);
6338 copy
= strdup(tosnap
);
6342 if ((atp
= strchr(copy
, '@')))
6345 if ((zhp
= zfs_open(g_zfs
, copy
, ZFS_TYPE_FILESYSTEM
)) == NULL
)
6351 * Ignore SIGPIPE so that the library can give us
6352 * information on any failure
6354 (void) sigignore(SIGPIPE
);
6356 err
= zfs_show_diffs(zhp
, STDOUT_FILENO
, fromsnap
, tosnap
, flags
);
6364 main(int argc
, char **argv
)
6370 (void) setlocale(LC_ALL
, "");
6371 (void) textdomain(TEXT_DOMAIN
);
6375 if ((mnttab_file
= fopen(MNTTAB
, "r")) == NULL
) {
6376 (void) fprintf(stderr
, gettext("internal error: unable to "
6377 "open %s\n"), MNTTAB
);
6382 * Make sure the user has specified some command.
6385 (void) fprintf(stderr
, gettext("missing command\n"));
6392 * The 'umount' command is an alias for 'unmount'
6394 if (strcmp(cmdname
, "umount") == 0)
6395 cmdname
= "unmount";
6398 * The 'recv' command is an alias for 'receive'
6400 if (strcmp(cmdname
, "recv") == 0)
6401 cmdname
= "receive";
6404 * The 'snap' command is an alias for 'snapshot'
6406 if (strcmp(cmdname
, "snap") == 0)
6407 cmdname
= "snapshot";
6412 if ((strcmp(cmdname
, "-?") == 0) ||
6413 (strcmp(cmdname
, "--help") == 0))
6416 if ((g_zfs
= libzfs_init()) == NULL
)
6419 zpool_set_history_str("zfs", argc
, argv
, history_str
);
6420 verify(zpool_stage_history(g_zfs
, history_str
) == 0);
6422 libzfs_print_on_error(g_zfs
, B_TRUE
);
6425 * Run the appropriate command.
6427 libzfs_mnttab_cache(g_zfs
, B_FALSE
);
6428 if (find_command_idx(cmdname
, &i
) == 0) {
6429 current_command
= &command_table
[i
];
6430 ret
= command_table
[i
].func(argc
- 1, argv
+ 1);
6431 } else if (strchr(cmdname
, '=') != NULL
) {
6432 verify(find_command_idx("set", &i
) == 0);
6433 current_command
= &command_table
[i
];
6434 ret
= command_table
[i
].func(argc
, argv
);
6436 (void) fprintf(stderr
, gettext("unrecognized "
6437 "command '%s'\n"), cmdname
);
6443 (void) fclose(mnttab_file
);
6446 * The 'ZFS_ABORT' environment variable causes us to dump core on exit
6447 * for the purposes of running ::findleaks.
6449 if (getenv("ZFS_ABORT") != NULL
) {
6450 (void) printf("dumping core by request\n");