8991 lines
220 KiB
C
8991 lines
220 KiB
C
/*
|
||
* CDDL HEADER START
|
||
*
|
||
* The contents of this file are subject to the terms of the
|
||
* Common Development and Distribution License (the "License").
|
||
* You may not use this file except in compliance with the License.
|
||
*
|
||
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
||
* or https://opensource.org/licenses/CDDL-1.0.
|
||
* See the License for the specific language governing permissions
|
||
* and limitations under the License.
|
||
*
|
||
* When distributing Covered Code, include this CDDL HEADER in each
|
||
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
||
* If applicable, add the following below this CDDL HEADER, with the
|
||
* fields enclosed by brackets "[]" replaced with your own identifying
|
||
* information: Portions Copyright [yyyy] [name of copyright owner]
|
||
*
|
||
* CDDL HEADER END
|
||
*/
|
||
|
||
/*
|
||
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
|
||
* Copyright (c) 2011, 2020 by Delphix. All rights reserved.
|
||
* Copyright 2012 Milan Jurik. All rights reserved.
|
||
* Copyright (c) 2012, Joyent, Inc. All rights reserved.
|
||
* Copyright (c) 2013 Steven Hartland. All rights reserved.
|
||
* Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com>.
|
||
* Copyright 2016 Nexenta Systems, Inc.
|
||
* Copyright (c) 2019 Datto Inc.
|
||
* Copyright (c) 2019, loli10K <ezomori.nozomu@gmail.com>
|
||
* Copyright 2019 Joyent, Inc.
|
||
* Copyright (c) 2019, 2020 by Christian Schwarz. All rights reserved.
|
||
*/
|
||
|
||
#include <assert.h>
|
||
#include <ctype.h>
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||
#include <sys/debug.h>
|
||
#include <errno.h>
|
||
#include <getopt.h>
|
||
#include <libgen.h>
|
||
#include <libintl.h>
|
||
#include <libuutil.h>
|
||
#include <libnvpair.h>
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||
#include <locale.h>
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||
#include <stddef.h>
|
||
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include <string.h>
|
||
#include <unistd.h>
|
||
#include <fcntl.h>
|
||
#include <zone.h>
|
||
#include <grp.h>
|
||
#include <pwd.h>
|
||
#include <umem.h>
|
||
#include <pthread.h>
|
||
#include <signal.h>
|
||
#include <sys/list.h>
|
||
#include <sys/mkdev.h>
|
||
#include <sys/mntent.h>
|
||
#include <sys/mnttab.h>
|
||
#include <sys/mount.h>
|
||
#include <sys/stat.h>
|
||
#include <sys/fs/zfs.h>
|
||
#include <sys/systeminfo.h>
|
||
#include <sys/types.h>
|
||
#include <time.h>
|
||
#include <sys/zfs_project.h>
|
||
|
||
#include <libzfs.h>
|
||
#include <libzfs_core.h>
|
||
#include <zfs_prop.h>
|
||
#include <zfs_deleg.h>
|
||
#include <libzutil.h>
|
||
#ifdef HAVE_IDMAP
|
||
#include <aclutils.h>
|
||
#include <directory.h>
|
||
#endif /* HAVE_IDMAP */
|
||
|
||
#include "zfs_iter.h"
|
||
#include "zfs_util.h"
|
||
#include "zfs_comutil.h"
|
||
#include "zfs_projectutil.h"
|
||
|
||
libzfs_handle_t *g_zfs;
|
||
|
||
static char history_str[HIS_MAX_RECORD_LEN];
|
||
static boolean_t log_history = B_TRUE;
|
||
|
||
static int zfs_do_clone(int argc, char **argv);
|
||
static int zfs_do_create(int argc, char **argv);
|
||
static int zfs_do_destroy(int argc, char **argv);
|
||
static int zfs_do_get(int argc, char **argv);
|
||
static int zfs_do_inherit(int argc, char **argv);
|
||
static int zfs_do_list(int argc, char **argv);
|
||
static int zfs_do_mount(int argc, char **argv);
|
||
static int zfs_do_rename(int argc, char **argv);
|
||
static int zfs_do_rollback(int argc, char **argv);
|
||
static int zfs_do_set(int argc, char **argv);
|
||
static int zfs_do_upgrade(int argc, char **argv);
|
||
static int zfs_do_snapshot(int argc, char **argv);
|
||
static int zfs_do_unmount(int argc, char **argv);
|
||
static int zfs_do_share(int argc, char **argv);
|
||
static int zfs_do_unshare(int argc, char **argv);
|
||
static int zfs_do_send(int argc, char **argv);
|
||
static int zfs_do_receive(int argc, char **argv);
|
||
static int zfs_do_promote(int argc, char **argv);
|
||
static int zfs_do_userspace(int argc, char **argv);
|
||
static int zfs_do_allow(int argc, char **argv);
|
||
static int zfs_do_unallow(int argc, char **argv);
|
||
static int zfs_do_hold(int argc, char **argv);
|
||
static int zfs_do_holds(int argc, char **argv);
|
||
static int zfs_do_release(int argc, char **argv);
|
||
static int zfs_do_diff(int argc, char **argv);
|
||
static int zfs_do_bookmark(int argc, char **argv);
|
||
static int zfs_do_channel_program(int argc, char **argv);
|
||
static int zfs_do_load_key(int argc, char **argv);
|
||
static int zfs_do_unload_key(int argc, char **argv);
|
||
static int zfs_do_change_key(int argc, char **argv);
|
||
static int zfs_do_project(int argc, char **argv);
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||
static int zfs_do_version(int argc, char **argv);
|
||
static int zfs_do_redact(int argc, char **argv);
|
||
static int zfs_do_wait(int argc, char **argv);
|
||
|
||
#ifdef __FreeBSD__
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||
static int zfs_do_jail(int argc, char **argv);
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||
static int zfs_do_unjail(int argc, char **argv);
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||
#endif
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||
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||
#ifdef __linux__
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||
static int zfs_do_zone(int argc, char **argv);
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||
static int zfs_do_unzone(int argc, char **argv);
|
||
#endif
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||
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||
static int zfs_do_help(int argc, char **argv);
|
||
|
||
/*
|
||
* Enable a reasonable set of defaults for libumem debugging on DEBUG builds.
|
||
*/
|
||
|
||
#ifdef DEBUG
|
||
const char *
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||
_umem_debug_init(void)
|
||
{
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||
return ("default,verbose"); /* $UMEM_DEBUG setting */
|
||
}
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||
|
||
const char *
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||
_umem_logging_init(void)
|
||
{
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||
return ("fail,contents"); /* $UMEM_LOGGING setting */
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||
}
|
||
#endif
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||
|
||
typedef enum {
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||
HELP_CLONE,
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||
HELP_CREATE,
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||
HELP_DESTROY,
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||
HELP_GET,
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||
HELP_INHERIT,
|
||
HELP_UPGRADE,
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||
HELP_LIST,
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||
HELP_MOUNT,
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||
HELP_PROMOTE,
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||
HELP_RECEIVE,
|
||
HELP_RENAME,
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||
HELP_ROLLBACK,
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||
HELP_SEND,
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||
HELP_SET,
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||
HELP_SHARE,
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||
HELP_SNAPSHOT,
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||
HELP_UNMOUNT,
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||
HELP_UNSHARE,
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||
HELP_ALLOW,
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||
HELP_UNALLOW,
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||
HELP_USERSPACE,
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||
HELP_GROUPSPACE,
|
||
HELP_PROJECTSPACE,
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||
HELP_PROJECT,
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||
HELP_HOLD,
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||
HELP_HOLDS,
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||
HELP_RELEASE,
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||
HELP_DIFF,
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||
HELP_BOOKMARK,
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||
HELP_CHANNEL_PROGRAM,
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||
HELP_LOAD_KEY,
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||
HELP_UNLOAD_KEY,
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||
HELP_CHANGE_KEY,
|
||
HELP_VERSION,
|
||
HELP_REDACT,
|
||
HELP_JAIL,
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||
HELP_UNJAIL,
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||
HELP_WAIT,
|
||
HELP_ZONE,
|
||
HELP_UNZONE,
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||
} zfs_help_t;
|
||
|
||
typedef struct zfs_command {
|
||
const char *name;
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||
int (*func)(int argc, char **argv);
|
||
zfs_help_t usage;
|
||
} zfs_command_t;
|
||
|
||
/*
|
||
* Master command table. Each ZFS command has a name, associated function, and
|
||
* usage message. The usage messages need to be internationalized, so we have
|
||
* to have a function to return the usage message based on a command index.
|
||
*
|
||
* These commands are organized according to how they are displayed in the usage
|
||
* message. An empty command (one with a NULL name) indicates an empty line in
|
||
* the generic usage message.
|
||
*/
|
||
static zfs_command_t command_table[] = {
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||
{ "version", zfs_do_version, HELP_VERSION },
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{ NULL },
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||
{ "create", zfs_do_create, HELP_CREATE },
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||
{ "destroy", zfs_do_destroy, HELP_DESTROY },
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||
{ NULL },
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||
{ "snapshot", zfs_do_snapshot, HELP_SNAPSHOT },
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||
{ "rollback", zfs_do_rollback, HELP_ROLLBACK },
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||
{ "clone", zfs_do_clone, HELP_CLONE },
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||
{ "promote", zfs_do_promote, HELP_PROMOTE },
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||
{ "rename", zfs_do_rename, HELP_RENAME },
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||
{ "bookmark", zfs_do_bookmark, HELP_BOOKMARK },
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||
{ "program", zfs_do_channel_program, HELP_CHANNEL_PROGRAM },
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||
{ NULL },
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||
{ "list", zfs_do_list, HELP_LIST },
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||
{ NULL },
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||
{ "set", zfs_do_set, HELP_SET },
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||
{ "get", zfs_do_get, HELP_GET },
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||
{ "inherit", zfs_do_inherit, HELP_INHERIT },
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||
{ "upgrade", zfs_do_upgrade, HELP_UPGRADE },
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{ NULL },
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||
{ "userspace", zfs_do_userspace, HELP_USERSPACE },
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||
{ "groupspace", zfs_do_userspace, HELP_GROUPSPACE },
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||
{ "projectspace", zfs_do_userspace, HELP_PROJECTSPACE },
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{ NULL },
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||
{ "project", zfs_do_project, HELP_PROJECT },
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||
{ NULL },
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||
{ "mount", zfs_do_mount, HELP_MOUNT },
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||
{ "unmount", zfs_do_unmount, HELP_UNMOUNT },
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||
{ "share", zfs_do_share, HELP_SHARE },
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||
{ "unshare", zfs_do_unshare, HELP_UNSHARE },
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||
{ NULL },
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||
{ "send", zfs_do_send, HELP_SEND },
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||
{ "receive", zfs_do_receive, HELP_RECEIVE },
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||
{ NULL },
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||
{ "allow", zfs_do_allow, HELP_ALLOW },
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||
{ NULL },
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||
{ "unallow", zfs_do_unallow, HELP_UNALLOW },
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||
{ NULL },
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||
{ "hold", zfs_do_hold, HELP_HOLD },
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||
{ "holds", zfs_do_holds, HELP_HOLDS },
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||
{ "release", zfs_do_release, HELP_RELEASE },
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||
{ "diff", zfs_do_diff, HELP_DIFF },
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||
{ "load-key", zfs_do_load_key, HELP_LOAD_KEY },
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||
{ "unload-key", zfs_do_unload_key, HELP_UNLOAD_KEY },
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||
{ "change-key", zfs_do_change_key, HELP_CHANGE_KEY },
|
||
{ "redact", zfs_do_redact, HELP_REDACT },
|
||
{ "wait", zfs_do_wait, HELP_WAIT },
|
||
|
||
#ifdef __FreeBSD__
|
||
{ "jail", zfs_do_jail, HELP_JAIL },
|
||
{ "unjail", zfs_do_unjail, HELP_UNJAIL },
|
||
#endif
|
||
|
||
#ifdef __linux__
|
||
{ "zone", zfs_do_zone, HELP_ZONE },
|
||
{ "unzone", zfs_do_unzone, HELP_UNZONE },
|
||
#endif
|
||
};
|
||
|
||
#define NCOMMAND (sizeof (command_table) / sizeof (command_table[0]))
|
||
|
||
zfs_command_t *current_command;
|
||
|
||
static const char *
|
||
get_usage(zfs_help_t idx)
|
||
{
|
||
switch (idx) {
|
||
case HELP_CLONE:
|
||
return (gettext("\tclone [-p] [-o property=value] ... "
|
||
"<snapshot> <filesystem|volume>\n"));
|
||
case HELP_CREATE:
|
||
return (gettext("\tcreate [-Pnpuv] [-o property=value] ... "
|
||
"<filesystem>\n"
|
||
"\tcreate [-Pnpsv] [-b blocksize] [-o property=value] ... "
|
||
"-V <size> <volume>\n"));
|
||
case HELP_DESTROY:
|
||
return (gettext("\tdestroy [-fnpRrv] <filesystem|volume>\n"
|
||
"\tdestroy [-dnpRrv] "
|
||
"<filesystem|volume>@<snap>[%<snap>][,...]\n"
|
||
"\tdestroy <filesystem|volume>#<bookmark>\n"));
|
||
case HELP_GET:
|
||
return (gettext("\tget [-rHp] [-d max] "
|
||
"[-o \"all\" | field[,...]]\n"
|
||
"\t [-t type[,...]] [-s source[,...]]\n"
|
||
"\t <\"all\" | property[,...]> "
|
||
"[filesystem|volume|snapshot|bookmark] ...\n"));
|
||
case HELP_INHERIT:
|
||
return (gettext("\tinherit [-rS] <property> "
|
||
"<filesystem|volume|snapshot> ...\n"));
|
||
case HELP_UPGRADE:
|
||
return (gettext("\tupgrade [-v]\n"
|
||
"\tupgrade [-r] [-V version] <-a | filesystem ...>\n"));
|
||
case HELP_LIST:
|
||
return (gettext("\tlist [-Hp] [-r|-d max] [-o property[,...]] "
|
||
"[-s property]...\n\t [-S property]... [-t type[,...]] "
|
||
"[filesystem|volume|snapshot] ...\n"));
|
||
case HELP_MOUNT:
|
||
return (gettext("\tmount\n"
|
||
"\tmount [-flvO] [-o opts] <-a | filesystem>\n"));
|
||
case HELP_PROMOTE:
|
||
return (gettext("\tpromote <clone-filesystem>\n"));
|
||
case HELP_RECEIVE:
|
||
return (gettext("\treceive [-vMnsFhu] "
|
||
"[-o <property>=<value>] ... [-x <property>] ...\n"
|
||
"\t <filesystem|volume|snapshot>\n"
|
||
"\treceive [-vMnsFhu] [-o <property>=<value>] ... "
|
||
"[-x <property>] ... \n"
|
||
"\t [-d | -e] <filesystem>\n"
|
||
"\treceive -A <filesystem|volume>\n"));
|
||
case HELP_RENAME:
|
||
return (gettext("\trename [-f] <filesystem|volume|snapshot> "
|
||
"<filesystem|volume|snapshot>\n"
|
||
"\trename -p [-f] <filesystem|volume> <filesystem|volume>\n"
|
||
"\trename -u [-f] <filesystem> <filesystem>\n"
|
||
"\trename -r <snapshot> <snapshot>\n"));
|
||
case HELP_ROLLBACK:
|
||
return (gettext("\trollback [-rRf] <snapshot>\n"));
|
||
case HELP_SEND:
|
||
return (gettext("\tsend [-DLPbcehnpsVvw] "
|
||
"[-i|-I snapshot]\n"
|
||
"\t [-R [-X dataset[,dataset]...]] <snapshot>\n"
|
||
"\tsend [-DnVvPLecw] [-i snapshot|bookmark] "
|
||
"<filesystem|volume|snapshot>\n"
|
||
"\tsend [-DnPpVvLec] [-i bookmark|snapshot] "
|
||
"--redact <bookmark> <snapshot>\n"
|
||
"\tsend [-nVvPe] -t <receive_resume_token>\n"
|
||
"\tsend [-PnVv] --saved filesystem\n"));
|
||
case HELP_SET:
|
||
return (gettext("\tset [-u] <property=value> ... "
|
||
"<filesystem|volume|snapshot> ...\n"));
|
||
case HELP_SHARE:
|
||
return (gettext("\tshare [-l] <-a [nfs|smb] | filesystem>\n"));
|
||
case HELP_SNAPSHOT:
|
||
return (gettext("\tsnapshot [-r] [-o property=value] ... "
|
||
"<filesystem|volume>@<snap> ...\n"));
|
||
case HELP_UNMOUNT:
|
||
return (gettext("\tunmount [-fu] "
|
||
"<-a | filesystem|mountpoint>\n"));
|
||
case HELP_UNSHARE:
|
||
return (gettext("\tunshare "
|
||
"<-a [nfs|smb] | filesystem|mountpoint>\n"));
|
||
case HELP_ALLOW:
|
||
return (gettext("\tallow <filesystem|volume>\n"
|
||
"\tallow [-ldug] "
|
||
"<\"everyone\"|user|group>[,...] <perm|@setname>[,...]\n"
|
||
"\t <filesystem|volume>\n"
|
||
"\tallow [-ld] -e <perm|@setname>[,...] "
|
||
"<filesystem|volume>\n"
|
||
"\tallow -c <perm|@setname>[,...] <filesystem|volume>\n"
|
||
"\tallow -s @setname <perm|@setname>[,...] "
|
||
"<filesystem|volume>\n"));
|
||
case HELP_UNALLOW:
|
||
return (gettext("\tunallow [-rldug] "
|
||
"<\"everyone\"|user|group>[,...]\n"
|
||
"\t [<perm|@setname>[,...]] <filesystem|volume>\n"
|
||
"\tunallow [-rld] -e [<perm|@setname>[,...]] "
|
||
"<filesystem|volume>\n"
|
||
"\tunallow [-r] -c [<perm|@setname>[,...]] "
|
||
"<filesystem|volume>\n"
|
||
"\tunallow [-r] -s @setname [<perm|@setname>[,...]] "
|
||
"<filesystem|volume>\n"));
|
||
case HELP_USERSPACE:
|
||
return (gettext("\tuserspace [-Hinp] [-o field[,...]] "
|
||
"[-s field] ...\n"
|
||
"\t [-S field] ... [-t type[,...]] "
|
||
"<filesystem|snapshot|path>\n"));
|
||
case HELP_GROUPSPACE:
|
||
return (gettext("\tgroupspace [-Hinp] [-o field[,...]] "
|
||
"[-s field] ...\n"
|
||
"\t [-S field] ... [-t type[,...]] "
|
||
"<filesystem|snapshot|path>\n"));
|
||
case HELP_PROJECTSPACE:
|
||
return (gettext("\tprojectspace [-Hp] [-o field[,...]] "
|
||
"[-s field] ... \n"
|
||
"\t [-S field] ... <filesystem|snapshot|path>\n"));
|
||
case HELP_PROJECT:
|
||
return (gettext("\tproject [-d|-r] <directory|file ...>\n"
|
||
"\tproject -c [-0] [-d|-r] [-p id] <directory|file ...>\n"
|
||
"\tproject -C [-k] [-r] <directory ...>\n"
|
||
"\tproject [-p id] [-r] [-s] <directory ...>\n"));
|
||
case HELP_HOLD:
|
||
return (gettext("\thold [-r] <tag> <snapshot> ...\n"));
|
||
case HELP_HOLDS:
|
||
return (gettext("\tholds [-rHp] <snapshot> ...\n"));
|
||
case HELP_RELEASE:
|
||
return (gettext("\trelease [-r] <tag> <snapshot> ...\n"));
|
||
case HELP_DIFF:
|
||
return (gettext("\tdiff [-FHth] <snapshot> "
|
||
"[snapshot|filesystem]\n"));
|
||
case HELP_BOOKMARK:
|
||
return (gettext("\tbookmark <snapshot|bookmark> "
|
||
"<newbookmark>\n"));
|
||
case HELP_CHANNEL_PROGRAM:
|
||
return (gettext("\tprogram [-jn] [-t <instruction limit>] "
|
||
"[-m <memory limit (b)>]\n"
|
||
"\t <pool> <program file> [lua args...]\n"));
|
||
case HELP_LOAD_KEY:
|
||
return (gettext("\tload-key [-rn] [-L <keylocation>] "
|
||
"<-a | filesystem|volume>\n"));
|
||
case HELP_UNLOAD_KEY:
|
||
return (gettext("\tunload-key [-r] "
|
||
"<-a | filesystem|volume>\n"));
|
||
case HELP_CHANGE_KEY:
|
||
return (gettext("\tchange-key [-l] [-o keyformat=<value>]\n"
|
||
"\t [-o keylocation=<value>] [-o pbkdf2iters=<value>]\n"
|
||
"\t <filesystem|volume>\n"
|
||
"\tchange-key -i [-l] <filesystem|volume>\n"));
|
||
case HELP_VERSION:
|
||
return (gettext("\tversion\n"));
|
||
case HELP_REDACT:
|
||
return (gettext("\tredact <snapshot> <bookmark> "
|
||
"<redaction_snapshot> ...\n"));
|
||
case HELP_JAIL:
|
||
return (gettext("\tjail <jailid|jailname> <filesystem>\n"));
|
||
case HELP_UNJAIL:
|
||
return (gettext("\tunjail <jailid|jailname> <filesystem>\n"));
|
||
case HELP_WAIT:
|
||
return (gettext("\twait [-t <activity>] <filesystem>\n"));
|
||
case HELP_ZONE:
|
||
return (gettext("\tzone <nsfile> <filesystem>\n"));
|
||
case HELP_UNZONE:
|
||
return (gettext("\tunzone <nsfile> <filesystem>\n"));
|
||
default:
|
||
__builtin_unreachable();
|
||
}
|
||
}
|
||
|
||
void
|
||
nomem(void)
|
||
{
|
||
(void) fprintf(stderr, gettext("internal error: out of memory\n"));
|
||
exit(1);
|
||
}
|
||
|
||
/*
|
||
* Utility function to guarantee malloc() success.
|
||
*/
|
||
|
||
void *
|
||
safe_malloc(size_t size)
|
||
{
|
||
void *data;
|
||
|
||
if ((data = calloc(1, size)) == NULL)
|
||
nomem();
|
||
|
||
return (data);
|
||
}
|
||
|
||
static void *
|
||
safe_realloc(void *data, size_t size)
|
||
{
|
||
void *newp;
|
||
if ((newp = realloc(data, size)) == NULL) {
|
||
free(data);
|
||
nomem();
|
||
}
|
||
|
||
return (newp);
|
||
}
|
||
|
||
static char *
|
||
safe_strdup(const char *str)
|
||
{
|
||
char *dupstr = strdup(str);
|
||
|
||
if (dupstr == NULL)
|
||
nomem();
|
||
|
||
return (dupstr);
|
||
}
|
||
|
||
/*
|
||
* Callback routine that will print out information for each of
|
||
* the properties.
|
||
*/
|
||
static int
|
||
usage_prop_cb(int prop, void *cb)
|
||
{
|
||
FILE *fp = cb;
|
||
|
||
(void) fprintf(fp, "\t%-15s ", zfs_prop_to_name(prop));
|
||
|
||
if (zfs_prop_readonly(prop))
|
||
(void) fprintf(fp, " NO ");
|
||
else
|
||
(void) fprintf(fp, "YES ");
|
||
|
||
if (zfs_prop_inheritable(prop))
|
||
(void) fprintf(fp, " YES ");
|
||
else
|
||
(void) fprintf(fp, " NO ");
|
||
|
||
(void) fprintf(fp, "%s\n", zfs_prop_values(prop) ?: "-");
|
||
|
||
return (ZPROP_CONT);
|
||
}
|
||
|
||
/*
|
||
* Display usage message. If we're inside a command, display only the usage for
|
||
* that command. Otherwise, iterate over the entire command table and display
|
||
* a complete usage message.
|
||
*/
|
||
static __attribute__((noreturn)) void
|
||
usage(boolean_t requested)
|
||
{
|
||
int i;
|
||
boolean_t show_properties = B_FALSE;
|
||
FILE *fp = requested ? stdout : stderr;
|
||
|
||
if (current_command == NULL) {
|
||
|
||
(void) fprintf(fp, gettext("usage: zfs command args ...\n"));
|
||
(void) fprintf(fp,
|
||
gettext("where 'command' is one of the following:\n\n"));
|
||
|
||
for (i = 0; i < NCOMMAND; i++) {
|
||
if (command_table[i].name == NULL)
|
||
(void) fprintf(fp, "\n");
|
||
else
|
||
(void) fprintf(fp, "%s",
|
||
get_usage(command_table[i].usage));
|
||
}
|
||
|
||
(void) fprintf(fp, gettext("\nEach dataset is of the form: "
|
||
"pool/[dataset/]*dataset[@name]\n"));
|
||
} else {
|
||
(void) fprintf(fp, gettext("usage:\n"));
|
||
(void) fprintf(fp, "%s", get_usage(current_command->usage));
|
||
}
|
||
|
||
if (current_command != NULL &&
|
||
(strcmp(current_command->name, "set") == 0 ||
|
||
strcmp(current_command->name, "get") == 0 ||
|
||
strcmp(current_command->name, "inherit") == 0 ||
|
||
strcmp(current_command->name, "list") == 0))
|
||
show_properties = B_TRUE;
|
||
|
||
if (show_properties) {
|
||
(void) fprintf(fp, "%s",
|
||
gettext("\nThe following properties are supported:\n"));
|
||
|
||
(void) fprintf(fp, "\n\t%-14s %s %s %s\n\n",
|
||
"PROPERTY", "EDIT", "INHERIT", "VALUES");
|
||
|
||
/* Iterate over all properties */
|
||
(void) zprop_iter(usage_prop_cb, fp, B_FALSE, B_TRUE,
|
||
ZFS_TYPE_DATASET);
|
||
|
||
(void) fprintf(fp, "\t%-15s ", "userused@...");
|
||
(void) fprintf(fp, " NO NO <size>\n");
|
||
(void) fprintf(fp, "\t%-15s ", "groupused@...");
|
||
(void) fprintf(fp, " NO NO <size>\n");
|
||
(void) fprintf(fp, "\t%-15s ", "projectused@...");
|
||
(void) fprintf(fp, " NO NO <size>\n");
|
||
(void) fprintf(fp, "\t%-15s ", "userobjused@...");
|
||
(void) fprintf(fp, " NO NO <size>\n");
|
||
(void) fprintf(fp, "\t%-15s ", "groupobjused@...");
|
||
(void) fprintf(fp, " NO NO <size>\n");
|
||
(void) fprintf(fp, "\t%-15s ", "projectobjused@...");
|
||
(void) fprintf(fp, " NO NO <size>\n");
|
||
(void) fprintf(fp, "\t%-15s ", "userquota@...");
|
||
(void) fprintf(fp, "YES NO <size> | none\n");
|
||
(void) fprintf(fp, "\t%-15s ", "groupquota@...");
|
||
(void) fprintf(fp, "YES NO <size> | none\n");
|
||
(void) fprintf(fp, "\t%-15s ", "projectquota@...");
|
||
(void) fprintf(fp, "YES NO <size> | none\n");
|
||
(void) fprintf(fp, "\t%-15s ", "userobjquota@...");
|
||
(void) fprintf(fp, "YES NO <size> | none\n");
|
||
(void) fprintf(fp, "\t%-15s ", "groupobjquota@...");
|
||
(void) fprintf(fp, "YES NO <size> | none\n");
|
||
(void) fprintf(fp, "\t%-15s ", "projectobjquota@...");
|
||
(void) fprintf(fp, "YES NO <size> | none\n");
|
||
(void) fprintf(fp, "\t%-15s ", "written@<snap>");
|
||
(void) fprintf(fp, " NO NO <size>\n");
|
||
(void) fprintf(fp, "\t%-15s ", "written#<bookmark>");
|
||
(void) fprintf(fp, " NO NO <size>\n");
|
||
|
||
(void) fprintf(fp, gettext("\nSizes are specified in bytes "
|
||
"with standard units such as K, M, G, etc.\n"));
|
||
(void) fprintf(fp, "%s", gettext("\nUser-defined properties "
|
||
"can be specified by using a name containing a colon "
|
||
"(:).\n"));
|
||
(void) fprintf(fp, gettext("\nThe {user|group|project}"
|
||
"[obj]{used|quota}@ properties must be appended with\n"
|
||
"a user|group|project specifier of one of these forms:\n"
|
||
" POSIX name (eg: \"matt\")\n"
|
||
" POSIX id (eg: \"126829\")\n"
|
||
" SMB name@domain (eg: \"matt@sun\")\n"
|
||
" SMB SID (eg: \"S-1-234-567-89\")\n"));
|
||
} else {
|
||
(void) fprintf(fp,
|
||
gettext("\nFor the property list, run: %s\n"),
|
||
"zfs set|get");
|
||
(void) fprintf(fp,
|
||
gettext("\nFor the delegated permission list, run: %s\n"),
|
||
"zfs allow|unallow");
|
||
(void) fprintf(fp,
|
||
gettext("\nFor further help on a command or topic, "
|
||
"run: %s\n"), "zfs help [<topic>]");
|
||
}
|
||
|
||
/*
|
||
* See comments at end of main().
|
||
*/
|
||
if (getenv("ZFS_ABORT") != NULL) {
|
||
(void) printf("dumping core by request\n");
|
||
abort();
|
||
}
|
||
|
||
exit(requested ? 0 : 2);
|
||
}
|
||
|
||
/*
|
||
* Take a property=value argument string and add it to the given nvlist.
|
||
* Modifies the argument inplace.
|
||
*/
|
||
static boolean_t
|
||
parseprop(nvlist_t *props, char *propname)
|
||
{
|
||
char *propval;
|
||
|
||
if ((propval = strchr(propname, '=')) == NULL) {
|
||
(void) fprintf(stderr, gettext("missing "
|
||
"'=' for property=value argument\n"));
|
||
return (B_FALSE);
|
||
}
|
||
*propval = '\0';
|
||
propval++;
|
||
if (nvlist_exists(props, propname)) {
|
||
(void) fprintf(stderr, gettext("property '%s' "
|
||
"specified multiple times\n"), propname);
|
||
return (B_FALSE);
|
||
}
|
||
if (nvlist_add_string(props, propname, propval) != 0)
|
||
nomem();
|
||
return (B_TRUE);
|
||
}
|
||
|
||
/*
|
||
* Take a property name argument and add it to the given nvlist.
|
||
* Modifies the argument inplace.
|
||
*/
|
||
static boolean_t
|
||
parsepropname(nvlist_t *props, char *propname)
|
||
{
|
||
if (strchr(propname, '=') != NULL) {
|
||
(void) fprintf(stderr, gettext("invalid character "
|
||
"'=' in property argument\n"));
|
||
return (B_FALSE);
|
||
}
|
||
if (nvlist_exists(props, propname)) {
|
||
(void) fprintf(stderr, gettext("property '%s' "
|
||
"specified multiple times\n"), propname);
|
||
return (B_FALSE);
|
||
}
|
||
if (nvlist_add_boolean(props, propname) != 0)
|
||
nomem();
|
||
return (B_TRUE);
|
||
}
|
||
|
||
static int
|
||
parse_depth(char *opt, int *flags)
|
||
{
|
||
char *tmp;
|
||
int depth;
|
||
|
||
depth = (int)strtol(opt, &tmp, 0);
|
||
if (*tmp) {
|
||
(void) fprintf(stderr,
|
||
gettext("%s is not an integer\n"), optarg);
|
||
usage(B_FALSE);
|
||
}
|
||
if (depth < 0) {
|
||
(void) fprintf(stderr,
|
||
gettext("Depth can not be negative.\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
*flags |= (ZFS_ITER_DEPTH_LIMIT|ZFS_ITER_RECURSE);
|
||
return (depth);
|
||
}
|
||
|
||
#define PROGRESS_DELAY 2 /* seconds */
|
||
|
||
static const 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";
|
||
static time_t pt_begin;
|
||
static char *pt_header = NULL;
|
||
static boolean_t pt_shown;
|
||
|
||
static void
|
||
start_progress_timer(void)
|
||
{
|
||
pt_begin = time(NULL) + PROGRESS_DELAY;
|
||
pt_shown = B_FALSE;
|
||
}
|
||
|
||
static void
|
||
set_progress_header(const char *header)
|
||
{
|
||
assert(pt_header == NULL);
|
||
pt_header = safe_strdup(header);
|
||
if (pt_shown) {
|
||
(void) printf("%s: ", header);
|
||
(void) fflush(stdout);
|
||
}
|
||
}
|
||
|
||
static void
|
||
update_progress(const char *update)
|
||
{
|
||
if (!pt_shown && time(NULL) > pt_begin) {
|
||
int len = strlen(update);
|
||
|
||
(void) printf("%s: %s%*.*s", pt_header, update, len, len,
|
||
pt_reverse);
|
||
(void) fflush(stdout);
|
||
pt_shown = B_TRUE;
|
||
} else if (pt_shown) {
|
||
int len = strlen(update);
|
||
|
||
(void) printf("%s%*.*s", update, len, len, pt_reverse);
|
||
(void) fflush(stdout);
|
||
}
|
||
}
|
||
|
||
static void
|
||
finish_progress(const char *done)
|
||
{
|
||
if (pt_shown) {
|
||
(void) puts(done);
|
||
(void) fflush(stdout);
|
||
}
|
||
free(pt_header);
|
||
pt_header = NULL;
|
||
}
|
||
|
||
static int
|
||
zfs_mount_and_share(libzfs_handle_t *hdl, const char *dataset, zfs_type_t type)
|
||
{
|
||
zfs_handle_t *zhp = NULL;
|
||
int ret = 0;
|
||
|
||
zhp = zfs_open(hdl, dataset, type);
|
||
if (zhp == NULL)
|
||
return (1);
|
||
|
||
/*
|
||
* Volumes may neither be mounted or shared. Potentially in the
|
||
* future filesystems detected on these volumes could be mounted.
|
||
*/
|
||
if (zfs_get_type(zhp) == ZFS_TYPE_VOLUME) {
|
||
zfs_close(zhp);
|
||
return (0);
|
||
}
|
||
|
||
/*
|
||
* Mount and/or share the new filesystem as appropriate. We provide a
|
||
* verbose error message to let the user know that their filesystem was
|
||
* in fact created, even if we failed to mount or share it.
|
||
*
|
||
* If the user doesn't want the dataset automatically mounted, then
|
||
* skip the mount/share step
|
||
*/
|
||
if (zfs_prop_valid_for_type(ZFS_PROP_CANMOUNT, type, B_FALSE) &&
|
||
zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == ZFS_CANMOUNT_ON) {
|
||
if (zfs_mount_delegation_check()) {
|
||
(void) fprintf(stderr, gettext("filesystem "
|
||
"successfully created, but it may only be "
|
||
"mounted by root\n"));
|
||
ret = 1;
|
||
} else if (zfs_mount(zhp, NULL, 0) != 0) {
|
||
(void) fprintf(stderr, gettext("filesystem "
|
||
"successfully created, but not mounted\n"));
|
||
ret = 1;
|
||
} else if (zfs_share(zhp, NULL) != 0) {
|
||
(void) fprintf(stderr, gettext("filesystem "
|
||
"successfully created, but not shared\n"));
|
||
ret = 1;
|
||
}
|
||
zfs_commit_shares(NULL);
|
||
}
|
||
|
||
zfs_close(zhp);
|
||
|
||
return (ret);
|
||
}
|
||
|
||
/*
|
||
* zfs clone [-p] [-o prop=value] ... <snap> <fs | vol>
|
||
*
|
||
* Given an existing dataset, create a writable copy whose initial contents
|
||
* are the same as the source. The newly created dataset maintains a
|
||
* dependency on the original; the original cannot be destroyed so long as
|
||
* the clone exists.
|
||
*
|
||
* The '-p' flag creates all the non-existing ancestors of the target first.
|
||
*/
|
||
static int
|
||
zfs_do_clone(int argc, char **argv)
|
||
{
|
||
zfs_handle_t *zhp = NULL;
|
||
boolean_t parents = B_FALSE;
|
||
nvlist_t *props;
|
||
int ret = 0;
|
||
int c;
|
||
|
||
if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
|
||
nomem();
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, "o:p")) != -1) {
|
||
switch (c) {
|
||
case 'o':
|
||
if (!parseprop(props, optarg)) {
|
||
nvlist_free(props);
|
||
return (1);
|
||
}
|
||
break;
|
||
case 'p':
|
||
parents = B_TRUE;
|
||
break;
|
||
case '?':
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
goto usage;
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
/* check number of arguments */
|
||
if (argc < 1) {
|
||
(void) fprintf(stderr, gettext("missing source dataset "
|
||
"argument\n"));
|
||
goto usage;
|
||
}
|
||
if (argc < 2) {
|
||
(void) fprintf(stderr, gettext("missing target dataset "
|
||
"argument\n"));
|
||
goto usage;
|
||
}
|
||
if (argc > 2) {
|
||
(void) fprintf(stderr, gettext("too many arguments\n"));
|
||
goto usage;
|
||
}
|
||
|
||
/* open the source dataset */
|
||
if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL) {
|
||
nvlist_free(props);
|
||
return (1);
|
||
}
|
||
|
||
if (parents && zfs_name_valid(argv[1], ZFS_TYPE_FILESYSTEM |
|
||
ZFS_TYPE_VOLUME)) {
|
||
/*
|
||
* Now create the ancestors of the target dataset. If the
|
||
* target already exists and '-p' option was used we should not
|
||
* complain.
|
||
*/
|
||
if (zfs_dataset_exists(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM |
|
||
ZFS_TYPE_VOLUME)) {
|
||
zfs_close(zhp);
|
||
nvlist_free(props);
|
||
return (0);
|
||
}
|
||
if (zfs_create_ancestors(g_zfs, argv[1]) != 0) {
|
||
zfs_close(zhp);
|
||
nvlist_free(props);
|
||
return (1);
|
||
}
|
||
}
|
||
|
||
/* pass to libzfs */
|
||
ret = zfs_clone(zhp, argv[1], props);
|
||
|
||
/* create the mountpoint if necessary */
|
||
if (ret == 0) {
|
||
if (log_history) {
|
||
(void) zpool_log_history(g_zfs, history_str);
|
||
log_history = B_FALSE;
|
||
}
|
||
|
||
ret = zfs_mount_and_share(g_zfs, argv[1], ZFS_TYPE_DATASET);
|
||
}
|
||
|
||
zfs_close(zhp);
|
||
nvlist_free(props);
|
||
|
||
return (!!ret);
|
||
|
||
usage:
|
||
ASSERT3P(zhp, ==, NULL);
|
||
nvlist_free(props);
|
||
usage(B_FALSE);
|
||
return (-1);
|
||
}
|
||
|
||
/*
|
||
* Return a default volblocksize for the pool which always uses more than
|
||
* half of the data sectors. This primarily applies to dRAID which always
|
||
* writes full stripe widths.
|
||
*/
|
||
static uint64_t
|
||
default_volblocksize(zpool_handle_t *zhp, nvlist_t *props)
|
||
{
|
||
uint64_t volblocksize, asize = SPA_MINBLOCKSIZE;
|
||
nvlist_t *tree, **vdevs;
|
||
uint_t nvdevs;
|
||
|
||
nvlist_t *config = zpool_get_config(zhp, NULL);
|
||
|
||
if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &tree) != 0 ||
|
||
nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN,
|
||
&vdevs, &nvdevs) != 0) {
|
||
return (ZVOL_DEFAULT_BLOCKSIZE);
|
||
}
|
||
|
||
for (int i = 0; i < nvdevs; i++) {
|
||
nvlist_t *nv = vdevs[i];
|
||
uint64_t ashift, ndata, nparity;
|
||
|
||
if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ASHIFT, &ashift) != 0)
|
||
continue;
|
||
|
||
if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_DRAID_NDATA,
|
||
&ndata) == 0) {
|
||
/* dRAID minimum allocation width */
|
||
asize = MAX(asize, ndata * (1ULL << ashift));
|
||
} else if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY,
|
||
&nparity) == 0) {
|
||
/* raidz minimum allocation width */
|
||
if (nparity == 1)
|
||
asize = MAX(asize, 2 * (1ULL << ashift));
|
||
else
|
||
asize = MAX(asize, 4 * (1ULL << ashift));
|
||
} else {
|
||
/* mirror or (non-redundant) leaf vdev */
|
||
asize = MAX(asize, 1ULL << ashift);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Calculate the target volblocksize such that more than half
|
||
* of the asize is used. The following table is for 4k sectors.
|
||
*
|
||
* n asize blksz used | n asize blksz used
|
||
* -------------------------+---------------------------------
|
||
* 1 4,096 8,192 100% | 9 36,864 32,768 88%
|
||
* 2 8,192 8,192 100% | 10 40,960 32,768 80%
|
||
* 3 12,288 8,192 66% | 11 45,056 32,768 72%
|
||
* 4 16,384 16,384 100% | 12 49,152 32,768 66%
|
||
* 5 20,480 16,384 80% | 13 53,248 32,768 61%
|
||
* 6 24,576 16,384 66% | 14 57,344 32,768 57%
|
||
* 7 28,672 16,384 57% | 15 61,440 32,768 53%
|
||
* 8 32,768 32,768 100% | 16 65,536 65,636 100%
|
||
*
|
||
* This is primarily a concern for dRAID which always allocates
|
||
* a full stripe width. For dRAID the default stripe width is
|
||
* n=8 in which case the volblocksize is set to 32k. Ignoring
|
||
* compression there are no unused sectors. This same reasoning
|
||
* applies to raidz[2,3] so target 4 sectors to minimize waste.
|
||
*/
|
||
uint64_t tgt_volblocksize = ZVOL_DEFAULT_BLOCKSIZE;
|
||
while (tgt_volblocksize * 2 <= asize)
|
||
tgt_volblocksize *= 2;
|
||
|
||
const char *prop = zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE);
|
||
if (nvlist_lookup_uint64(props, prop, &volblocksize) == 0) {
|
||
|
||
/* Issue a warning when a non-optimal size is requested. */
|
||
if (volblocksize < ZVOL_DEFAULT_BLOCKSIZE) {
|
||
(void) fprintf(stderr, gettext("Warning: "
|
||
"volblocksize (%llu) is less than the default "
|
||
"minimum block size (%llu).\nTo reduce wasted "
|
||
"space a volblocksize of %llu is recommended.\n"),
|
||
(u_longlong_t)volblocksize,
|
||
(u_longlong_t)ZVOL_DEFAULT_BLOCKSIZE,
|
||
(u_longlong_t)tgt_volblocksize);
|
||
} else if (volblocksize < tgt_volblocksize) {
|
||
(void) fprintf(stderr, gettext("Warning: "
|
||
"volblocksize (%llu) is much less than the "
|
||
"minimum allocation\nunit (%llu), which wastes "
|
||
"at least %llu%% of space. To reduce wasted "
|
||
"space,\nuse a larger volblocksize (%llu is "
|
||
"recommended), fewer dRAID data disks\n"
|
||
"per group, or smaller sector size (ashift).\n"),
|
||
(u_longlong_t)volblocksize, (u_longlong_t)asize,
|
||
(u_longlong_t)((100 * (asize - volblocksize)) /
|
||
asize), (u_longlong_t)tgt_volblocksize);
|
||
}
|
||
} else {
|
||
volblocksize = tgt_volblocksize;
|
||
fnvlist_add_uint64(props, prop, volblocksize);
|
||
}
|
||
|
||
return (volblocksize);
|
||
}
|
||
|
||
/*
|
||
* zfs create [-Pnpv] [-o prop=value] ... fs
|
||
* zfs create [-Pnpsv] [-b blocksize] [-o prop=value] ... -V vol size
|
||
*
|
||
* Create a new dataset. This command can be used to create filesystems
|
||
* and volumes. Snapshot creation is handled by 'zfs snapshot'.
|
||
* For volumes, the user must specify a size to be used.
|
||
*
|
||
* The '-s' flag applies only to volumes, and indicates that we should not try
|
||
* to set the reservation for this volume. By default we set a reservation
|
||
* equal to the size for any volume. For pools with SPA_VERSION >=
|
||
* SPA_VERSION_REFRESERVATION, we set a refreservation instead.
|
||
*
|
||
* The '-p' flag creates all the non-existing ancestors of the target first.
|
||
*
|
||
* The '-n' flag is no-op (dry run) mode. This will perform a user-space sanity
|
||
* check of arguments and properties, but does not check for permissions,
|
||
* available space, etc.
|
||
*
|
||
* The '-u' flag prevents the newly created file system from being mounted.
|
||
*
|
||
* The '-v' flag is for verbose output.
|
||
*
|
||
* The '-P' flag is used for parseable output. It implies '-v'.
|
||
*/
|
||
static int
|
||
zfs_do_create(int argc, char **argv)
|
||
{
|
||
zfs_type_t type = ZFS_TYPE_FILESYSTEM;
|
||
zpool_handle_t *zpool_handle = NULL;
|
||
nvlist_t *real_props = NULL;
|
||
uint64_t volsize = 0;
|
||
int c;
|
||
boolean_t noreserve = B_FALSE;
|
||
boolean_t bflag = B_FALSE;
|
||
boolean_t parents = B_FALSE;
|
||
boolean_t dryrun = B_FALSE;
|
||
boolean_t nomount = B_FALSE;
|
||
boolean_t verbose = B_FALSE;
|
||
boolean_t parseable = B_FALSE;
|
||
int ret = 1;
|
||
nvlist_t *props;
|
||
uint64_t intval;
|
||
const char *strval;
|
||
|
||
if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
|
||
nomem();
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, ":PV:b:nso:puv")) != -1) {
|
||
switch (c) {
|
||
case 'V':
|
||
type = ZFS_TYPE_VOLUME;
|
||
if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
|
||
(void) fprintf(stderr, gettext("bad volume "
|
||
"size '%s': %s\n"), optarg,
|
||
libzfs_error_description(g_zfs));
|
||
goto error;
|
||
}
|
||
|
||
if (nvlist_add_uint64(props,
|
||
zfs_prop_to_name(ZFS_PROP_VOLSIZE), intval) != 0)
|
||
nomem();
|
||
volsize = intval;
|
||
break;
|
||
case 'P':
|
||
verbose = B_TRUE;
|
||
parseable = B_TRUE;
|
||
break;
|
||
case 'p':
|
||
parents = B_TRUE;
|
||
break;
|
||
case 'b':
|
||
bflag = B_TRUE;
|
||
if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
|
||
(void) fprintf(stderr, gettext("bad volume "
|
||
"block size '%s': %s\n"), optarg,
|
||
libzfs_error_description(g_zfs));
|
||
goto error;
|
||
}
|
||
|
||
if (nvlist_add_uint64(props,
|
||
zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE),
|
||
intval) != 0)
|
||
nomem();
|
||
break;
|
||
case 'n':
|
||
dryrun = B_TRUE;
|
||
break;
|
||
case 'o':
|
||
if (!parseprop(props, optarg))
|
||
goto error;
|
||
break;
|
||
case 's':
|
||
noreserve = B_TRUE;
|
||
break;
|
||
case 'u':
|
||
nomount = B_TRUE;
|
||
break;
|
||
case 'v':
|
||
verbose = B_TRUE;
|
||
break;
|
||
case ':':
|
||
(void) fprintf(stderr, gettext("missing size "
|
||
"argument\n"));
|
||
goto badusage;
|
||
case '?':
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
goto badusage;
|
||
}
|
||
}
|
||
|
||
if ((bflag || noreserve) && type != ZFS_TYPE_VOLUME) {
|
||
(void) fprintf(stderr, gettext("'-s' and '-b' can only be "
|
||
"used when creating a volume\n"));
|
||
goto badusage;
|
||
}
|
||
if (nomount && type != ZFS_TYPE_FILESYSTEM) {
|
||
(void) fprintf(stderr, gettext("'-u' can only be "
|
||
"used when creating a filesystem\n"));
|
||
goto badusage;
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
/* check number of arguments */
|
||
if (argc == 0) {
|
||
(void) fprintf(stderr, gettext("missing %s argument\n"),
|
||
zfs_type_to_name(type));
|
||
goto badusage;
|
||
}
|
||
if (argc > 1) {
|
||
(void) fprintf(stderr, gettext("too many arguments\n"));
|
||
goto badusage;
|
||
}
|
||
|
||
if (dryrun || type == ZFS_TYPE_VOLUME) {
|
||
char msg[ZFS_MAX_DATASET_NAME_LEN * 2];
|
||
char *p;
|
||
|
||
if ((p = strchr(argv[0], '/')) != NULL)
|
||
*p = '\0';
|
||
zpool_handle = zpool_open(g_zfs, argv[0]);
|
||
if (p != NULL)
|
||
*p = '/';
|
||
if (zpool_handle == NULL)
|
||
goto error;
|
||
|
||
(void) snprintf(msg, sizeof (msg),
|
||
dryrun ? gettext("cannot verify '%s'") :
|
||
gettext("cannot create '%s'"), argv[0]);
|
||
if (props && (real_props = zfs_valid_proplist(g_zfs, type,
|
||
props, 0, NULL, zpool_handle, B_TRUE, msg)) == NULL) {
|
||
zpool_close(zpool_handle);
|
||
goto error;
|
||
}
|
||
}
|
||
|
||
if (type == ZFS_TYPE_VOLUME) {
|
||
const char *prop = zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE);
|
||
uint64_t volblocksize = default_volblocksize(zpool_handle,
|
||
real_props);
|
||
|
||
if (volblocksize != ZVOL_DEFAULT_BLOCKSIZE &&
|
||
nvlist_lookup_string(props, prop, &strval) != 0) {
|
||
char *tmp;
|
||
if (asprintf(&tmp, "%llu",
|
||
(u_longlong_t)volblocksize) == -1)
|
||
nomem();
|
||
nvlist_add_string(props, prop, tmp);
|
||
free(tmp);
|
||
}
|
||
|
||
/*
|
||
* If volsize is not a multiple of volblocksize, round it
|
||
* up to the nearest multiple of the volblocksize.
|
||
*/
|
||
if (volsize % volblocksize) {
|
||
volsize = P2ROUNDUP_TYPED(volsize, volblocksize,
|
||
uint64_t);
|
||
|
||
if (nvlist_add_uint64(props,
|
||
zfs_prop_to_name(ZFS_PROP_VOLSIZE), volsize) != 0) {
|
||
nvlist_free(props);
|
||
nomem();
|
||
}
|
||
}
|
||
}
|
||
|
||
if (type == ZFS_TYPE_VOLUME && !noreserve) {
|
||
uint64_t spa_version;
|
||
zfs_prop_t resv_prop;
|
||
|
||
spa_version = zpool_get_prop_int(zpool_handle,
|
||
ZPOOL_PROP_VERSION, NULL);
|
||
if (spa_version >= SPA_VERSION_REFRESERVATION)
|
||
resv_prop = ZFS_PROP_REFRESERVATION;
|
||
else
|
||
resv_prop = ZFS_PROP_RESERVATION;
|
||
|
||
volsize = zvol_volsize_to_reservation(zpool_handle, volsize,
|
||
real_props);
|
||
|
||
if (nvlist_lookup_string(props, zfs_prop_to_name(resv_prop),
|
||
&strval) != 0) {
|
||
if (nvlist_add_uint64(props,
|
||
zfs_prop_to_name(resv_prop), volsize) != 0) {
|
||
nvlist_free(props);
|
||
nomem();
|
||
}
|
||
}
|
||
}
|
||
if (zpool_handle != NULL) {
|
||
zpool_close(zpool_handle);
|
||
nvlist_free(real_props);
|
||
}
|
||
|
||
if (parents && zfs_name_valid(argv[0], type)) {
|
||
/*
|
||
* Now create the ancestors of target dataset. If the target
|
||
* already exists and '-p' option was used we should not
|
||
* complain.
|
||
*/
|
||
if (zfs_dataset_exists(g_zfs, argv[0], type)) {
|
||
ret = 0;
|
||
goto error;
|
||
}
|
||
if (verbose) {
|
||
(void) printf(parseable ? "create_ancestors\t%s\n" :
|
||
dryrun ? "would create ancestors of %s\n" :
|
||
"create ancestors of %s\n", argv[0]);
|
||
}
|
||
if (!dryrun) {
|
||
if (zfs_create_ancestors(g_zfs, argv[0]) != 0) {
|
||
goto error;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (verbose) {
|
||
nvpair_t *nvp = NULL;
|
||
(void) printf(parseable ? "create\t%s\n" :
|
||
dryrun ? "would create %s\n" : "create %s\n", argv[0]);
|
||
while ((nvp = nvlist_next_nvpair(props, nvp)) != NULL) {
|
||
uint64_t uval;
|
||
const char *sval;
|
||
|
||
switch (nvpair_type(nvp)) {
|
||
case DATA_TYPE_UINT64:
|
||
VERIFY0(nvpair_value_uint64(nvp, &uval));
|
||
(void) printf(parseable ?
|
||
"property\t%s\t%llu\n" : "\t%s=%llu\n",
|
||
nvpair_name(nvp), (u_longlong_t)uval);
|
||
break;
|
||
case DATA_TYPE_STRING:
|
||
VERIFY0(nvpair_value_string(nvp, &sval));
|
||
(void) printf(parseable ?
|
||
"property\t%s\t%s\n" : "\t%s=%s\n",
|
||
nvpair_name(nvp), sval);
|
||
break;
|
||
default:
|
||
(void) fprintf(stderr, "property '%s' "
|
||
"has illegal type %d\n",
|
||
nvpair_name(nvp), nvpair_type(nvp));
|
||
abort();
|
||
}
|
||
}
|
||
}
|
||
if (dryrun) {
|
||
ret = 0;
|
||
goto error;
|
||
}
|
||
|
||
/* pass to libzfs */
|
||
if (zfs_create(g_zfs, argv[0], type, props) != 0)
|
||
goto error;
|
||
|
||
if (log_history) {
|
||
(void) zpool_log_history(g_zfs, history_str);
|
||
log_history = B_FALSE;
|
||
}
|
||
|
||
if (nomount) {
|
||
ret = 0;
|
||
goto error;
|
||
}
|
||
|
||
ret = zfs_mount_and_share(g_zfs, argv[0], ZFS_TYPE_DATASET);
|
||
error:
|
||
nvlist_free(props);
|
||
return (ret);
|
||
badusage:
|
||
nvlist_free(props);
|
||
usage(B_FALSE);
|
||
return (2);
|
||
}
|
||
|
||
/*
|
||
* zfs destroy [-rRf] <fs, vol>
|
||
* zfs destroy [-rRd] <snap>
|
||
*
|
||
* -r Recursively destroy all children
|
||
* -R Recursively destroy all dependents, including clones
|
||
* -f Force unmounting of any dependents
|
||
* -d If we can't destroy now, mark for deferred destruction
|
||
*
|
||
* Destroys the given dataset. By default, it will unmount any filesystems,
|
||
* and refuse to destroy a dataset that has any dependents. A dependent can
|
||
* either be a child, or a clone of a child.
|
||
*/
|
||
typedef struct destroy_cbdata {
|
||
boolean_t cb_first;
|
||
boolean_t cb_force;
|
||
boolean_t cb_recurse;
|
||
boolean_t cb_error;
|
||
boolean_t cb_doclones;
|
||
zfs_handle_t *cb_target;
|
||
boolean_t cb_defer_destroy;
|
||
boolean_t cb_verbose;
|
||
boolean_t cb_parsable;
|
||
boolean_t cb_dryrun;
|
||
nvlist_t *cb_nvl;
|
||
nvlist_t *cb_batchedsnaps;
|
||
|
||
/* first snap in contiguous run */
|
||
char *cb_firstsnap;
|
||
/* previous snap in contiguous run */
|
||
char *cb_prevsnap;
|
||
int64_t cb_snapused;
|
||
char *cb_snapspec;
|
||
char *cb_bookmark;
|
||
uint64_t cb_snap_count;
|
||
} destroy_cbdata_t;
|
||
|
||
/*
|
||
* Check for any dependents based on the '-r' or '-R' flags.
|
||
*/
|
||
static int
|
||
destroy_check_dependent(zfs_handle_t *zhp, void *data)
|
||
{
|
||
destroy_cbdata_t *cbp = data;
|
||
const char *tname = zfs_get_name(cbp->cb_target);
|
||
const char *name = zfs_get_name(zhp);
|
||
|
||
if (strncmp(tname, name, strlen(tname)) == 0 &&
|
||
(name[strlen(tname)] == '/' || name[strlen(tname)] == '@')) {
|
||
/*
|
||
* This is a direct descendant, not a clone somewhere else in
|
||
* the hierarchy.
|
||
*/
|
||
if (cbp->cb_recurse)
|
||
goto out;
|
||
|
||
if (cbp->cb_first) {
|
||
(void) fprintf(stderr, gettext("cannot destroy '%s': "
|
||
"%s has children\n"),
|
||
zfs_get_name(cbp->cb_target),
|
||
zfs_type_to_name(zfs_get_type(cbp->cb_target)));
|
||
(void) fprintf(stderr, gettext("use '-r' to destroy "
|
||
"the following datasets:\n"));
|
||
cbp->cb_first = B_FALSE;
|
||
cbp->cb_error = B_TRUE;
|
||
}
|
||
|
||
(void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
|
||
} else {
|
||
/*
|
||
* This is a clone. We only want to report this if the '-r'
|
||
* wasn't specified, or the target is a snapshot.
|
||
*/
|
||
if (!cbp->cb_recurse &&
|
||
zfs_get_type(cbp->cb_target) != ZFS_TYPE_SNAPSHOT)
|
||
goto out;
|
||
|
||
if (cbp->cb_first) {
|
||
(void) fprintf(stderr, gettext("cannot destroy '%s': "
|
||
"%s has dependent clones\n"),
|
||
zfs_get_name(cbp->cb_target),
|
||
zfs_type_to_name(zfs_get_type(cbp->cb_target)));
|
||
(void) fprintf(stderr, gettext("use '-R' to destroy "
|
||
"the following datasets:\n"));
|
||
cbp->cb_first = B_FALSE;
|
||
cbp->cb_error = B_TRUE;
|
||
cbp->cb_dryrun = B_TRUE;
|
||
}
|
||
|
||
(void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
|
||
}
|
||
|
||
out:
|
||
zfs_close(zhp);
|
||
return (0);
|
||
}
|
||
|
||
static int
|
||
destroy_batched(destroy_cbdata_t *cb)
|
||
{
|
||
int error = zfs_destroy_snaps_nvl(g_zfs,
|
||
cb->cb_batchedsnaps, B_FALSE);
|
||
fnvlist_free(cb->cb_batchedsnaps);
|
||
cb->cb_batchedsnaps = fnvlist_alloc();
|
||
return (error);
|
||
}
|
||
|
||
static int
|
||
destroy_callback(zfs_handle_t *zhp, void *data)
|
||
{
|
||
destroy_cbdata_t *cb = data;
|
||
const char *name = zfs_get_name(zhp);
|
||
int error;
|
||
|
||
if (cb->cb_verbose) {
|
||
if (cb->cb_parsable) {
|
||
(void) printf("destroy\t%s\n", name);
|
||
} else if (cb->cb_dryrun) {
|
||
(void) printf(gettext("would destroy %s\n"),
|
||
name);
|
||
} else {
|
||
(void) printf(gettext("will destroy %s\n"),
|
||
name);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Ignore pools (which we've already flagged as an error before getting
|
||
* here).
|
||
*/
|
||
if (strchr(zfs_get_name(zhp), '/') == NULL &&
|
||
zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
|
||
zfs_close(zhp);
|
||
return (0);
|
||
}
|
||
if (cb->cb_dryrun) {
|
||
zfs_close(zhp);
|
||
return (0);
|
||
}
|
||
|
||
/*
|
||
* We batch up all contiguous snapshots (even of different
|
||
* filesystems) and destroy them with one ioctl. We can't
|
||
* simply do all snap deletions and then all fs deletions,
|
||
* because we must delete a clone before its origin.
|
||
*/
|
||
if (zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT) {
|
||
cb->cb_snap_count++;
|
||
fnvlist_add_boolean(cb->cb_batchedsnaps, name);
|
||
if (cb->cb_snap_count % 10 == 0 && cb->cb_defer_destroy) {
|
||
error = destroy_batched(cb);
|
||
if (error != 0) {
|
||
zfs_close(zhp);
|
||
return (-1);
|
||
}
|
||
}
|
||
} else {
|
||
error = destroy_batched(cb);
|
||
if (error != 0 ||
|
||
zfs_unmount(zhp, NULL, cb->cb_force ? MS_FORCE : 0) != 0 ||
|
||
zfs_destroy(zhp, cb->cb_defer_destroy) != 0) {
|
||
zfs_close(zhp);
|
||
/*
|
||
* When performing a recursive destroy we ignore errors
|
||
* so that the recursive destroy could continue
|
||
* destroying past problem datasets
|
||
*/
|
||
if (cb->cb_recurse) {
|
||
cb->cb_error = B_TRUE;
|
||
return (0);
|
||
}
|
||
return (-1);
|
||
}
|
||
}
|
||
|
||
zfs_close(zhp);
|
||
return (0);
|
||
}
|
||
|
||
static int
|
||
destroy_print_cb(zfs_handle_t *zhp, void *arg)
|
||
{
|
||
destroy_cbdata_t *cb = arg;
|
||
const char *name = zfs_get_name(zhp);
|
||
int err = 0;
|
||
|
||
if (nvlist_exists(cb->cb_nvl, name)) {
|
||
if (cb->cb_firstsnap == NULL)
|
||
cb->cb_firstsnap = strdup(name);
|
||
if (cb->cb_prevsnap != NULL)
|
||
free(cb->cb_prevsnap);
|
||
/* this snap continues the current range */
|
||
cb->cb_prevsnap = strdup(name);
|
||
if (cb->cb_firstsnap == NULL || cb->cb_prevsnap == NULL)
|
||
nomem();
|
||
if (cb->cb_verbose) {
|
||
if (cb->cb_parsable) {
|
||
(void) printf("destroy\t%s\n", name);
|
||
} else if (cb->cb_dryrun) {
|
||
(void) printf(gettext("would destroy %s\n"),
|
||
name);
|
||
} else {
|
||
(void) printf(gettext("will destroy %s\n"),
|
||
name);
|
||
}
|
||
}
|
||
} else if (cb->cb_firstsnap != NULL) {
|
||
/* end of this range */
|
||
uint64_t used = 0;
|
||
err = lzc_snaprange_space(cb->cb_firstsnap,
|
||
cb->cb_prevsnap, &used);
|
||
cb->cb_snapused += used;
|
||
free(cb->cb_firstsnap);
|
||
cb->cb_firstsnap = NULL;
|
||
free(cb->cb_prevsnap);
|
||
cb->cb_prevsnap = NULL;
|
||
}
|
||
zfs_close(zhp);
|
||
return (err);
|
||
}
|
||
|
||
static int
|
||
destroy_print_snapshots(zfs_handle_t *fs_zhp, destroy_cbdata_t *cb)
|
||
{
|
||
int err;
|
||
assert(cb->cb_firstsnap == NULL);
|
||
assert(cb->cb_prevsnap == NULL);
|
||
err = zfs_iter_snapshots_sorted_v2(fs_zhp, 0, destroy_print_cb, cb, 0,
|
||
0);
|
||
if (cb->cb_firstsnap != NULL) {
|
||
uint64_t used = 0;
|
||
if (err == 0) {
|
||
err = lzc_snaprange_space(cb->cb_firstsnap,
|
||
cb->cb_prevsnap, &used);
|
||
}
|
||
cb->cb_snapused += used;
|
||
free(cb->cb_firstsnap);
|
||
cb->cb_firstsnap = NULL;
|
||
free(cb->cb_prevsnap);
|
||
cb->cb_prevsnap = NULL;
|
||
}
|
||
return (err);
|
||
}
|
||
|
||
static int
|
||
snapshot_to_nvl_cb(zfs_handle_t *zhp, void *arg)
|
||
{
|
||
destroy_cbdata_t *cb = arg;
|
||
int err = 0;
|
||
|
||
/* Check for clones. */
|
||
if (!cb->cb_doclones && !cb->cb_defer_destroy) {
|
||
cb->cb_target = zhp;
|
||
cb->cb_first = B_TRUE;
|
||
err = zfs_iter_dependents_v2(zhp, 0, B_TRUE,
|
||
destroy_check_dependent, cb);
|
||
}
|
||
|
||
if (err == 0) {
|
||
if (nvlist_add_boolean(cb->cb_nvl, zfs_get_name(zhp)))
|
||
nomem();
|
||
}
|
||
zfs_close(zhp);
|
||
return (err);
|
||
}
|
||
|
||
static int
|
||
gather_snapshots(zfs_handle_t *zhp, void *arg)
|
||
{
|
||
destroy_cbdata_t *cb = arg;
|
||
int err = 0;
|
||
|
||
err = zfs_iter_snapspec_v2(zhp, 0, cb->cb_snapspec,
|
||
snapshot_to_nvl_cb, cb);
|
||
if (err == ENOENT)
|
||
err = 0;
|
||
if (err != 0)
|
||
goto out;
|
||
|
||
if (cb->cb_verbose) {
|
||
err = destroy_print_snapshots(zhp, cb);
|
||
if (err != 0)
|
||
goto out;
|
||
}
|
||
|
||
if (cb->cb_recurse)
|
||
err = zfs_iter_filesystems_v2(zhp, 0, gather_snapshots, cb);
|
||
|
||
out:
|
||
zfs_close(zhp);
|
||
return (err);
|
||
}
|
||
|
||
static int
|
||
destroy_clones(destroy_cbdata_t *cb)
|
||
{
|
||
nvpair_t *pair;
|
||
for (pair = nvlist_next_nvpair(cb->cb_nvl, NULL);
|
||
pair != NULL;
|
||
pair = nvlist_next_nvpair(cb->cb_nvl, pair)) {
|
||
zfs_handle_t *zhp = zfs_open(g_zfs, nvpair_name(pair),
|
||
ZFS_TYPE_SNAPSHOT);
|
||
if (zhp != NULL) {
|
||
boolean_t defer = cb->cb_defer_destroy;
|
||
int err;
|
||
|
||
/*
|
||
* We can't defer destroy non-snapshots, so set it to
|
||
* false while destroying the clones.
|
||
*/
|
||
cb->cb_defer_destroy = B_FALSE;
|
||
err = zfs_iter_dependents_v2(zhp, 0, B_FALSE,
|
||
destroy_callback, cb);
|
||
cb->cb_defer_destroy = defer;
|
||
zfs_close(zhp);
|
||
if (err != 0)
|
||
return (err);
|
||
}
|
||
}
|
||
return (0);
|
||
}
|
||
|
||
static int
|
||
zfs_do_destroy(int argc, char **argv)
|
||
{
|
||
destroy_cbdata_t cb = { 0 };
|
||
int rv = 0;
|
||
int err = 0;
|
||
int c;
|
||
zfs_handle_t *zhp = NULL;
|
||
char *at, *pound;
|
||
zfs_type_t type = ZFS_TYPE_DATASET;
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, "vpndfrR")) != -1) {
|
||
switch (c) {
|
||
case 'v':
|
||
cb.cb_verbose = B_TRUE;
|
||
break;
|
||
case 'p':
|
||
cb.cb_verbose = B_TRUE;
|
||
cb.cb_parsable = B_TRUE;
|
||
break;
|
||
case 'n':
|
||
cb.cb_dryrun = B_TRUE;
|
||
break;
|
||
case 'd':
|
||
cb.cb_defer_destroy = B_TRUE;
|
||
type = ZFS_TYPE_SNAPSHOT;
|
||
break;
|
||
case 'f':
|
||
cb.cb_force = B_TRUE;
|
||
break;
|
||
case 'r':
|
||
cb.cb_recurse = B_TRUE;
|
||
break;
|
||
case 'R':
|
||
cb.cb_recurse = B_TRUE;
|
||
cb.cb_doclones = B_TRUE;
|
||
break;
|
||
case '?':
|
||
default:
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
/* check number of arguments */
|
||
if (argc == 0) {
|
||
(void) fprintf(stderr, gettext("missing dataset argument\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (argc > 1) {
|
||
(void) fprintf(stderr, gettext("too many arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
at = strchr(argv[0], '@');
|
||
pound = strchr(argv[0], '#');
|
||
if (at != NULL) {
|
||
|
||
/* Build the list of snaps to destroy in cb_nvl. */
|
||
cb.cb_nvl = fnvlist_alloc();
|
||
|
||
*at = '\0';
|
||
zhp = zfs_open(g_zfs, argv[0],
|
||
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
|
||
if (zhp == NULL) {
|
||
nvlist_free(cb.cb_nvl);
|
||
return (1);
|
||
}
|
||
|
||
cb.cb_snapspec = at + 1;
|
||
if (gather_snapshots(zfs_handle_dup(zhp), &cb) != 0 ||
|
||
cb.cb_error) {
|
||
rv = 1;
|
||
goto out;
|
||
}
|
||
|
||
if (nvlist_empty(cb.cb_nvl)) {
|
||
(void) fprintf(stderr, gettext("could not find any "
|
||
"snapshots to destroy; check snapshot names.\n"));
|
||
rv = 1;
|
||
goto out;
|
||
}
|
||
|
||
if (cb.cb_verbose) {
|
||
char buf[16];
|
||
zfs_nicebytes(cb.cb_snapused, buf, sizeof (buf));
|
||
if (cb.cb_parsable) {
|
||
(void) printf("reclaim\t%llu\n",
|
||
(u_longlong_t)cb.cb_snapused);
|
||
} else if (cb.cb_dryrun) {
|
||
(void) printf(gettext("would reclaim %s\n"),
|
||
buf);
|
||
} else {
|
||
(void) printf(gettext("will reclaim %s\n"),
|
||
buf);
|
||
}
|
||
}
|
||
|
||
if (!cb.cb_dryrun) {
|
||
if (cb.cb_doclones) {
|
||
cb.cb_batchedsnaps = fnvlist_alloc();
|
||
err = destroy_clones(&cb);
|
||
if (err == 0) {
|
||
err = zfs_destroy_snaps_nvl(g_zfs,
|
||
cb.cb_batchedsnaps, B_FALSE);
|
||
}
|
||
if (err != 0) {
|
||
rv = 1;
|
||
goto out;
|
||
}
|
||
}
|
||
if (err == 0) {
|
||
err = zfs_destroy_snaps_nvl(g_zfs, cb.cb_nvl,
|
||
cb.cb_defer_destroy);
|
||
}
|
||
}
|
||
|
||
if (err != 0)
|
||
rv = 1;
|
||
} else if (pound != NULL) {
|
||
int err;
|
||
nvlist_t *nvl;
|
||
|
||
if (cb.cb_dryrun) {
|
||
(void) fprintf(stderr,
|
||
"dryrun is not supported with bookmark\n");
|
||
return (-1);
|
||
}
|
||
|
||
if (cb.cb_defer_destroy) {
|
||
(void) fprintf(stderr,
|
||
"defer destroy is not supported with bookmark\n");
|
||
return (-1);
|
||
}
|
||
|
||
if (cb.cb_recurse) {
|
||
(void) fprintf(stderr,
|
||
"recursive is not supported with bookmark\n");
|
||
return (-1);
|
||
}
|
||
|
||
/*
|
||
* Unfortunately, zfs_bookmark() doesn't honor the
|
||
* casesensitivity setting. However, we can't simply
|
||
* remove this check, because lzc_destroy_bookmarks()
|
||
* ignores non-existent bookmarks, so this is necessary
|
||
* to get a proper error message.
|
||
*/
|
||
if (!zfs_bookmark_exists(argv[0])) {
|
||
(void) fprintf(stderr, gettext("bookmark '%s' "
|
||
"does not exist.\n"), argv[0]);
|
||
return (1);
|
||
}
|
||
|
||
nvl = fnvlist_alloc();
|
||
fnvlist_add_boolean(nvl, argv[0]);
|
||
|
||
err = lzc_destroy_bookmarks(nvl, NULL);
|
||
if (err != 0) {
|
||
(void) zfs_standard_error(g_zfs, err,
|
||
"cannot destroy bookmark");
|
||
}
|
||
|
||
nvlist_free(nvl);
|
||
|
||
return (err);
|
||
} else {
|
||
/* Open the given dataset */
|
||
if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL)
|
||
return (1);
|
||
|
||
cb.cb_target = zhp;
|
||
|
||
/*
|
||
* Perform an explicit check for pools before going any further.
|
||
*/
|
||
if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL &&
|
||
zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
|
||
(void) fprintf(stderr, gettext("cannot destroy '%s': "
|
||
"operation does not apply to pools\n"),
|
||
zfs_get_name(zhp));
|
||
(void) fprintf(stderr, gettext("use 'zfs destroy -r "
|
||
"%s' to destroy all datasets in the pool\n"),
|
||
zfs_get_name(zhp));
|
||
(void) fprintf(stderr, gettext("use 'zpool destroy %s' "
|
||
"to destroy the pool itself\n"), zfs_get_name(zhp));
|
||
rv = 1;
|
||
goto out;
|
||
}
|
||
|
||
/*
|
||
* Check for any dependents and/or clones.
|
||
*/
|
||
cb.cb_first = B_TRUE;
|
||
if (!cb.cb_doclones && zfs_iter_dependents_v2(zhp, 0, B_TRUE,
|
||
destroy_check_dependent, &cb) != 0) {
|
||
rv = 1;
|
||
goto out;
|
||
}
|
||
|
||
if (cb.cb_error) {
|
||
rv = 1;
|
||
goto out;
|
||
}
|
||
cb.cb_batchedsnaps = fnvlist_alloc();
|
||
if (zfs_iter_dependents_v2(zhp, 0, B_FALSE, destroy_callback,
|
||
&cb) != 0) {
|
||
rv = 1;
|
||
goto out;
|
||
}
|
||
|
||
/*
|
||
* Do the real thing. The callback will close the
|
||
* handle regardless of whether it succeeds or not.
|
||
*/
|
||
err = destroy_callback(zhp, &cb);
|
||
zhp = NULL;
|
||
if (err == 0) {
|
||
err = zfs_destroy_snaps_nvl(g_zfs,
|
||
cb.cb_batchedsnaps, cb.cb_defer_destroy);
|
||
}
|
||
if (err != 0 || cb.cb_error == B_TRUE)
|
||
rv = 1;
|
||
}
|
||
|
||
out:
|
||
fnvlist_free(cb.cb_batchedsnaps);
|
||
fnvlist_free(cb.cb_nvl);
|
||
if (zhp != NULL)
|
||
zfs_close(zhp);
|
||
return (rv);
|
||
}
|
||
|
||
static boolean_t
|
||
is_recvd_column(zprop_get_cbdata_t *cbp)
|
||
{
|
||
int i;
|
||
zfs_get_column_t col;
|
||
|
||
for (i = 0; i < ZFS_GET_NCOLS &&
|
||
(col = cbp->cb_columns[i]) != GET_COL_NONE; i++)
|
||
if (col == GET_COL_RECVD)
|
||
return (B_TRUE);
|
||
return (B_FALSE);
|
||
}
|
||
|
||
/*
|
||
* zfs get [-rHp] [-o all | field[,field]...] [-s source[,source]...]
|
||
* < all | property[,property]... > < fs | snap | vol > ...
|
||
*
|
||
* -r recurse over any child datasets
|
||
* -H scripted mode. Headers are stripped, and fields are separated
|
||
* by tabs instead of spaces.
|
||
* -o Set of fields to display. One of "name,property,value,
|
||
* received,source". Default is "name,property,value,source".
|
||
* "all" is an alias for all five.
|
||
* -s Set of sources to allow. One of
|
||
* "local,default,inherited,received,temporary,none". Default is
|
||
* all six.
|
||
* -p Display values in parsable (literal) format.
|
||
*
|
||
* Prints properties for the given datasets. The user can control which
|
||
* columns to display as well as which property types to allow.
|
||
*/
|
||
|
||
/*
|
||
* Invoked to display the properties for a single dataset.
|
||
*/
|
||
static int
|
||
get_callback(zfs_handle_t *zhp, void *data)
|
||
{
|
||
char buf[ZFS_MAXPROPLEN];
|
||
char rbuf[ZFS_MAXPROPLEN];
|
||
zprop_source_t sourcetype;
|
||
char source[ZFS_MAX_DATASET_NAME_LEN];
|
||
zprop_get_cbdata_t *cbp = data;
|
||
nvlist_t *user_props = zfs_get_user_props(zhp);
|
||
zprop_list_t *pl = cbp->cb_proplist;
|
||
nvlist_t *propval;
|
||
const char *strval;
|
||
const char *sourceval;
|
||
boolean_t received = is_recvd_column(cbp);
|
||
|
||
for (; pl != NULL; pl = pl->pl_next) {
|
||
char *recvdval = NULL;
|
||
/*
|
||
* Skip the special fake placeholder. This will also skip over
|
||
* the name property when 'all' is specified.
|
||
*/
|
||
if (pl->pl_prop == ZFS_PROP_NAME &&
|
||
pl == cbp->cb_proplist)
|
||
continue;
|
||
|
||
if (pl->pl_prop != ZPROP_USERPROP) {
|
||
if (zfs_prop_get(zhp, pl->pl_prop, buf,
|
||
sizeof (buf), &sourcetype, source,
|
||
sizeof (source),
|
||
cbp->cb_literal) != 0) {
|
||
if (pl->pl_all)
|
||
continue;
|
||
if (!zfs_prop_valid_for_type(pl->pl_prop,
|
||
ZFS_TYPE_DATASET, B_FALSE)) {
|
||
(void) fprintf(stderr,
|
||
gettext("No such property '%s'\n"),
|
||
zfs_prop_to_name(pl->pl_prop));
|
||
continue;
|
||
}
|
||
sourcetype = ZPROP_SRC_NONE;
|
||
(void) strlcpy(buf, "-", sizeof (buf));
|
||
}
|
||
|
||
if (received && (zfs_prop_get_recvd(zhp,
|
||
zfs_prop_to_name(pl->pl_prop), rbuf, sizeof (rbuf),
|
||
cbp->cb_literal) == 0))
|
||
recvdval = rbuf;
|
||
|
||
zprop_print_one_property(zfs_get_name(zhp), cbp,
|
||
zfs_prop_to_name(pl->pl_prop),
|
||
buf, sourcetype, source, recvdval);
|
||
} else if (zfs_prop_userquota(pl->pl_user_prop)) {
|
||
sourcetype = ZPROP_SRC_LOCAL;
|
||
|
||
if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
|
||
buf, sizeof (buf), cbp->cb_literal) != 0) {
|
||
sourcetype = ZPROP_SRC_NONE;
|
||
(void) strlcpy(buf, "-", sizeof (buf));
|
||
}
|
||
|
||
zprop_print_one_property(zfs_get_name(zhp), cbp,
|
||
pl->pl_user_prop, buf, sourcetype, source, NULL);
|
||
} else if (zfs_prop_written(pl->pl_user_prop)) {
|
||
sourcetype = ZPROP_SRC_LOCAL;
|
||
|
||
if (zfs_prop_get_written(zhp, pl->pl_user_prop,
|
||
buf, sizeof (buf), cbp->cb_literal) != 0) {
|
||
sourcetype = ZPROP_SRC_NONE;
|
||
(void) strlcpy(buf, "-", sizeof (buf));
|
||
}
|
||
|
||
zprop_print_one_property(zfs_get_name(zhp), cbp,
|
||
pl->pl_user_prop, buf, sourcetype, source, NULL);
|
||
} else {
|
||
if (nvlist_lookup_nvlist(user_props,
|
||
pl->pl_user_prop, &propval) != 0) {
|
||
if (pl->pl_all)
|
||
continue;
|
||
sourcetype = ZPROP_SRC_NONE;
|
||
strval = "-";
|
||
} else {
|
||
strval = fnvlist_lookup_string(propval,
|
||
ZPROP_VALUE);
|
||
sourceval = fnvlist_lookup_string(propval,
|
||
ZPROP_SOURCE);
|
||
|
||
if (strcmp(sourceval,
|
||
zfs_get_name(zhp)) == 0) {
|
||
sourcetype = ZPROP_SRC_LOCAL;
|
||
} else if (strcmp(sourceval,
|
||
ZPROP_SOURCE_VAL_RECVD) == 0) {
|
||
sourcetype = ZPROP_SRC_RECEIVED;
|
||
} else {
|
||
sourcetype = ZPROP_SRC_INHERITED;
|
||
(void) strlcpy(source,
|
||
sourceval, sizeof (source));
|
||
}
|
||
}
|
||
|
||
if (received && (zfs_prop_get_recvd(zhp,
|
||
pl->pl_user_prop, rbuf, sizeof (rbuf),
|
||
cbp->cb_literal) == 0))
|
||
recvdval = rbuf;
|
||
|
||
zprop_print_one_property(zfs_get_name(zhp), cbp,
|
||
pl->pl_user_prop, strval, sourcetype,
|
||
source, recvdval);
|
||
}
|
||
}
|
||
|
||
return (0);
|
||
}
|
||
|
||
static int
|
||
zfs_do_get(int argc, char **argv)
|
||
{
|
||
zprop_get_cbdata_t cb = { 0 };
|
||
int i, c, flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
|
||
int types = ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK;
|
||
char *fields;
|
||
int ret = 0;
|
||
int limit = 0;
|
||
zprop_list_t fake_name = { 0 };
|
||
|
||
/*
|
||
* Set up default columns and sources.
|
||
*/
|
||
cb.cb_sources = ZPROP_SRC_ALL;
|
||
cb.cb_columns[0] = GET_COL_NAME;
|
||
cb.cb_columns[1] = GET_COL_PROPERTY;
|
||
cb.cb_columns[2] = GET_COL_VALUE;
|
||
cb.cb_columns[3] = GET_COL_SOURCE;
|
||
cb.cb_type = ZFS_TYPE_DATASET;
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, ":d:o:s:rt:Hp")) != -1) {
|
||
switch (c) {
|
||
case 'p':
|
||
cb.cb_literal = B_TRUE;
|
||
break;
|
||
case 'd':
|
||
limit = parse_depth(optarg, &flags);
|
||
break;
|
||
case 'r':
|
||
flags |= ZFS_ITER_RECURSE;
|
||
break;
|
||
case 'H':
|
||
cb.cb_scripted = B_TRUE;
|
||
break;
|
||
case ':':
|
||
(void) fprintf(stderr, gettext("missing argument for "
|
||
"'%c' option\n"), optopt);
|
||
usage(B_FALSE);
|
||
break;
|
||
case 'o':
|
||
/*
|
||
* Process the set of columns to display. We zero out
|
||
* the structure to give us a blank slate.
|
||
*/
|
||
memset(&cb.cb_columns, 0, sizeof (cb.cb_columns));
|
||
|
||
i = 0;
|
||
for (char *tok; (tok = strsep(&optarg, ",")); ) {
|
||
static const char *const col_subopts[] =
|
||
{ "name", "property", "value",
|
||
"received", "source", "all" };
|
||
static const zfs_get_column_t col_subopt_col[] =
|
||
{ GET_COL_NAME, GET_COL_PROPERTY, GET_COL_VALUE,
|
||
GET_COL_RECVD, GET_COL_SOURCE };
|
||
static const int col_subopt_flags[] =
|
||
{ 0, 0, 0, ZFS_ITER_RECVD_PROPS, 0 };
|
||
|
||
if (i == ZFS_GET_NCOLS) {
|
||
(void) fprintf(stderr, gettext("too "
|
||
"many fields given to -o "
|
||
"option\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
for (c = 0; c < ARRAY_SIZE(col_subopts); ++c)
|
||
if (strcmp(tok, col_subopts[c]) == 0)
|
||
goto found;
|
||
|
||
(void) fprintf(stderr,
|
||
gettext("invalid column name '%s'\n"), tok);
|
||
usage(B_FALSE);
|
||
|
||
found:
|
||
if (c >= 5) {
|
||
if (i > 0) {
|
||
(void) fprintf(stderr,
|
||
gettext("\"all\" conflicts "
|
||
"with specific fields "
|
||
"given to -o option\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
memcpy(cb.cb_columns, col_subopt_col,
|
||
sizeof (col_subopt_col));
|
||
flags |= ZFS_ITER_RECVD_PROPS;
|
||
i = ZFS_GET_NCOLS;
|
||
} else {
|
||
cb.cb_columns[i++] = col_subopt_col[c];
|
||
flags |= col_subopt_flags[c];
|
||
}
|
||
}
|
||
break;
|
||
|
||
case 's':
|
||
cb.cb_sources = 0;
|
||
|
||
for (char *tok; (tok = strsep(&optarg, ",")); ) {
|
||
static const char *const source_opt[] = {
|
||
"local", "default",
|
||
"inherited", "received",
|
||
"temporary", "none" };
|
||
static const int source_flg[] = {
|
||
ZPROP_SRC_LOCAL, ZPROP_SRC_DEFAULT,
|
||
ZPROP_SRC_INHERITED, ZPROP_SRC_RECEIVED,
|
||
ZPROP_SRC_TEMPORARY, ZPROP_SRC_NONE };
|
||
|
||
for (i = 0; i < ARRAY_SIZE(source_opt); ++i)
|
||
if (strcmp(tok, source_opt[i]) == 0) {
|
||
cb.cb_sources |= source_flg[i];
|
||
goto found2;
|
||
}
|
||
|
||
(void) fprintf(stderr,
|
||
gettext("invalid source '%s'\n"), tok);
|
||
usage(B_FALSE);
|
||
found2:;
|
||
}
|
||
break;
|
||
|
||
case 't':
|
||
types = 0;
|
||
flags &= ~ZFS_ITER_PROP_LISTSNAPS;
|
||
|
||
for (char *tok; (tok = strsep(&optarg, ",")); ) {
|
||
static const char *const type_opts[] = {
|
||
"filesystem", "volume",
|
||
"snapshot", "snap",
|
||
"bookmark",
|
||
"all" };
|
||
static const int type_types[] = {
|
||
ZFS_TYPE_FILESYSTEM, ZFS_TYPE_VOLUME,
|
||
ZFS_TYPE_SNAPSHOT, ZFS_TYPE_SNAPSHOT,
|
||
ZFS_TYPE_BOOKMARK,
|
||
ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK };
|
||
|
||
for (i = 0; i < ARRAY_SIZE(type_opts); ++i)
|
||
if (strcmp(tok, type_opts[i]) == 0) {
|
||
types |= type_types[i];
|
||
goto found3;
|
||
}
|
||
|
||
(void) fprintf(stderr,
|
||
gettext("invalid type '%s'\n"), tok);
|
||
usage(B_FALSE);
|
||
found3:;
|
||
}
|
||
break;
|
||
|
||
case '?':
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
if (argc < 1) {
|
||
(void) fprintf(stderr, gettext("missing property "
|
||
"argument\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
fields = argv[0];
|
||
|
||
/*
|
||
* Handle users who want to get all snapshots or bookmarks
|
||
* of a dataset (ex. 'zfs get -t snapshot refer <dataset>').
|
||
*/
|
||
if ((types == ZFS_TYPE_SNAPSHOT || types == ZFS_TYPE_BOOKMARK) &&
|
||
argc > 1 && (flags & ZFS_ITER_RECURSE) == 0 && limit == 0) {
|
||
flags |= (ZFS_ITER_DEPTH_LIMIT | ZFS_ITER_RECURSE);
|
||
limit = 1;
|
||
}
|
||
|
||
if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
|
||
!= 0)
|
||
usage(B_FALSE);
|
||
|
||
argc--;
|
||
argv++;
|
||
|
||
/*
|
||
* As part of zfs_expand_proplist(), we keep track of the maximum column
|
||
* width for each property. For the 'NAME' (and 'SOURCE') columns, we
|
||
* need to know the maximum name length. However, the user likely did
|
||
* not specify 'name' as one of the properties to fetch, so we need to
|
||
* make sure we always include at least this property for
|
||
* print_get_headers() to work properly.
|
||
*/
|
||
if (cb.cb_proplist != NULL) {
|
||
fake_name.pl_prop = ZFS_PROP_NAME;
|
||
fake_name.pl_width = strlen(gettext("NAME"));
|
||
fake_name.pl_next = cb.cb_proplist;
|
||
cb.cb_proplist = &fake_name;
|
||
}
|
||
|
||
cb.cb_first = B_TRUE;
|
||
|
||
/* run for each object */
|
||
ret = zfs_for_each(argc, argv, flags, types, NULL,
|
||
&cb.cb_proplist, limit, get_callback, &cb);
|
||
|
||
if (cb.cb_proplist == &fake_name)
|
||
zprop_free_list(fake_name.pl_next);
|
||
else
|
||
zprop_free_list(cb.cb_proplist);
|
||
|
||
return (ret);
|
||
}
|
||
|
||
/*
|
||
* inherit [-rS] <property> <fs|vol> ...
|
||
*
|
||
* -r Recurse over all children
|
||
* -S Revert to received value, if any
|
||
*
|
||
* For each dataset specified on the command line, inherit the given property
|
||
* from its parent. Inheriting a property at the pool level will cause it to
|
||
* use the default value. The '-r' flag will recurse over all children, and is
|
||
* useful for setting a property on a hierarchy-wide basis, regardless of any
|
||
* local modifications for each dataset.
|
||
*/
|
||
|
||
typedef struct inherit_cbdata {
|
||
const char *cb_propname;
|
||
boolean_t cb_received;
|
||
} inherit_cbdata_t;
|
||
|
||
static int
|
||
inherit_recurse_cb(zfs_handle_t *zhp, void *data)
|
||
{
|
||
inherit_cbdata_t *cb = data;
|
||
zfs_prop_t prop = zfs_name_to_prop(cb->cb_propname);
|
||
|
||
/*
|
||
* If we're doing it recursively, then ignore properties that
|
||
* are not valid for this type of dataset.
|
||
*/
|
||
if (prop != ZPROP_INVAL &&
|
||
!zfs_prop_valid_for_type(prop, zfs_get_type(zhp), B_FALSE))
|
||
return (0);
|
||
|
||
return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
|
||
}
|
||
|
||
static int
|
||
inherit_cb(zfs_handle_t *zhp, void *data)
|
||
{
|
||
inherit_cbdata_t *cb = data;
|
||
|
||
return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
|
||
}
|
||
|
||
static int
|
||
zfs_do_inherit(int argc, char **argv)
|
||
{
|
||
int c;
|
||
zfs_prop_t prop;
|
||
inherit_cbdata_t cb = { 0 };
|
||
char *propname;
|
||
int ret = 0;
|
||
int flags = 0;
|
||
boolean_t received = B_FALSE;
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, "rS")) != -1) {
|
||
switch (c) {
|
||
case 'r':
|
||
flags |= ZFS_ITER_RECURSE;
|
||
break;
|
||
case 'S':
|
||
received = B_TRUE;
|
||
break;
|
||
case '?':
|
||
default:
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
/* check number of arguments */
|
||
if (argc < 1) {
|
||
(void) fprintf(stderr, gettext("missing property argument\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (argc < 2) {
|
||
(void) fprintf(stderr, gettext("missing dataset argument\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
propname = argv[0];
|
||
argc--;
|
||
argv++;
|
||
|
||
if ((prop = zfs_name_to_prop(propname)) != ZPROP_USERPROP) {
|
||
if (zfs_prop_readonly(prop)) {
|
||
(void) fprintf(stderr, gettext(
|
||
"%s property is read-only\n"),
|
||
propname);
|
||
return (1);
|
||
}
|
||
if (!zfs_prop_inheritable(prop) && !received) {
|
||
(void) fprintf(stderr, gettext("'%s' property cannot "
|
||
"be inherited\n"), propname);
|
||
if (prop == ZFS_PROP_QUOTA ||
|
||
prop == ZFS_PROP_RESERVATION ||
|
||
prop == ZFS_PROP_REFQUOTA ||
|
||
prop == ZFS_PROP_REFRESERVATION) {
|
||
(void) fprintf(stderr, gettext("use 'zfs set "
|
||
"%s=none' to clear\n"), propname);
|
||
(void) fprintf(stderr, gettext("use 'zfs "
|
||
"inherit -S %s' to revert to received "
|
||
"value\n"), propname);
|
||
}
|
||
return (1);
|
||
}
|
||
if (received && (prop == ZFS_PROP_VOLSIZE ||
|
||
prop == ZFS_PROP_VERSION)) {
|
||
(void) fprintf(stderr, gettext("'%s' property cannot "
|
||
"be reverted to a received value\n"), propname);
|
||
return (1);
|
||
}
|
||
} else if (!zfs_prop_user(propname)) {
|
||
(void) fprintf(stderr, gettext("invalid property '%s'\n"),
|
||
propname);
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
cb.cb_propname = propname;
|
||
cb.cb_received = received;
|
||
|
||
if (flags & ZFS_ITER_RECURSE) {
|
||
ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
|
||
NULL, NULL, 0, inherit_recurse_cb, &cb);
|
||
} else {
|
||
ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
|
||
NULL, NULL, 0, inherit_cb, &cb);
|
||
}
|
||
|
||
return (ret);
|
||
}
|
||
|
||
typedef struct upgrade_cbdata {
|
||
uint64_t cb_numupgraded;
|
||
uint64_t cb_numsamegraded;
|
||
uint64_t cb_numfailed;
|
||
uint64_t cb_version;
|
||
boolean_t cb_newer;
|
||
boolean_t cb_foundone;
|
||
char cb_lastfs[ZFS_MAX_DATASET_NAME_LEN];
|
||
} upgrade_cbdata_t;
|
||
|
||
static int
|
||
same_pool(zfs_handle_t *zhp, const char *name)
|
||
{
|
||
int len1 = strcspn(name, "/@");
|
||
const char *zhname = zfs_get_name(zhp);
|
||
int len2 = strcspn(zhname, "/@");
|
||
|
||
if (len1 != len2)
|
||
return (B_FALSE);
|
||
return (strncmp(name, zhname, len1) == 0);
|
||
}
|
||
|
||
static int
|
||
upgrade_list_callback(zfs_handle_t *zhp, void *data)
|
||
{
|
||
upgrade_cbdata_t *cb = data;
|
||
int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
|
||
|
||
/* list if it's old/new */
|
||
if ((!cb->cb_newer && version < ZPL_VERSION) ||
|
||
(cb->cb_newer && version > ZPL_VERSION)) {
|
||
char *str;
|
||
if (cb->cb_newer) {
|
||
str = gettext("The following filesystems are "
|
||
"formatted using a newer software version and\n"
|
||
"cannot be accessed on the current system.\n\n");
|
||
} else {
|
||
str = gettext("The following filesystems are "
|
||
"out of date, and can be upgraded. After being\n"
|
||
"upgraded, these filesystems (and any 'zfs send' "
|
||
"streams generated from\n"
|
||
"subsequent snapshots) will no longer be "
|
||
"accessible by older software versions.\n\n");
|
||
}
|
||
|
||
if (!cb->cb_foundone) {
|
||
(void) puts(str);
|
||
(void) printf(gettext("VER FILESYSTEM\n"));
|
||
(void) printf(gettext("--- ------------\n"));
|
||
cb->cb_foundone = B_TRUE;
|
||
}
|
||
|
||
(void) printf("%2u %s\n", version, zfs_get_name(zhp));
|
||
}
|
||
|
||
return (0);
|
||
}
|
||
|
||
static int
|
||
upgrade_set_callback(zfs_handle_t *zhp, void *data)
|
||
{
|
||
upgrade_cbdata_t *cb = data;
|
||
int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
|
||
int needed_spa_version;
|
||
int spa_version;
|
||
|
||
if (zfs_spa_version(zhp, &spa_version) < 0)
|
||
return (-1);
|
||
|
||
needed_spa_version = zfs_spa_version_map(cb->cb_version);
|
||
|
||
if (needed_spa_version < 0)
|
||
return (-1);
|
||
|
||
if (spa_version < needed_spa_version) {
|
||
/* can't upgrade */
|
||
(void) printf(gettext("%s: can not be "
|
||
"upgraded; the pool version needs to first "
|
||
"be upgraded\nto version %d\n\n"),
|
||
zfs_get_name(zhp), needed_spa_version);
|
||
cb->cb_numfailed++;
|
||
return (0);
|
||
}
|
||
|
||
/* upgrade */
|
||
if (version < cb->cb_version) {
|
||
char verstr[24];
|
||
(void) snprintf(verstr, sizeof (verstr),
|
||
"%llu", (u_longlong_t)cb->cb_version);
|
||
if (cb->cb_lastfs[0] && !same_pool(zhp, cb->cb_lastfs)) {
|
||
/*
|
||
* If they did "zfs upgrade -a", then we could
|
||
* be doing ioctls to different pools. We need
|
||
* to log this history once to each pool, and bypass
|
||
* the normal history logging that happens in main().
|
||
*/
|
||
(void) zpool_log_history(g_zfs, history_str);
|
||
log_history = B_FALSE;
|
||
}
|
||
if (zfs_prop_set(zhp, "version", verstr) == 0)
|
||
cb->cb_numupgraded++;
|
||
else
|
||
cb->cb_numfailed++;
|
||
(void) strlcpy(cb->cb_lastfs, zfs_get_name(zhp),
|
||
sizeof (cb->cb_lastfs));
|
||
} else if (version > cb->cb_version) {
|
||
/* can't downgrade */
|
||
(void) printf(gettext("%s: can not be downgraded; "
|
||
"it is already at version %u\n"),
|
||
zfs_get_name(zhp), version);
|
||
cb->cb_numfailed++;
|
||
} else {
|
||
cb->cb_numsamegraded++;
|
||
}
|
||
return (0);
|
||
}
|
||
|
||
/*
|
||
* zfs upgrade
|
||
* zfs upgrade -v
|
||
* zfs upgrade [-r] [-V <version>] <-a | filesystem>
|
||
*/
|
||
static int
|
||
zfs_do_upgrade(int argc, char **argv)
|
||
{
|
||
boolean_t all = B_FALSE;
|
||
boolean_t showversions = B_FALSE;
|
||
int ret = 0;
|
||
upgrade_cbdata_t cb = { 0 };
|
||
int c;
|
||
int flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, "rvV:a")) != -1) {
|
||
switch (c) {
|
||
case 'r':
|
||
flags |= ZFS_ITER_RECURSE;
|
||
break;
|
||
case 'v':
|
||
showversions = B_TRUE;
|
||
break;
|
||
case 'V':
|
||
if (zfs_prop_string_to_index(ZFS_PROP_VERSION,
|
||
optarg, &cb.cb_version) != 0) {
|
||
(void) fprintf(stderr,
|
||
gettext("invalid version %s\n"), optarg);
|
||
usage(B_FALSE);
|
||
}
|
||
break;
|
||
case 'a':
|
||
all = B_TRUE;
|
||
break;
|
||
case '?':
|
||
default:
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
if ((!all && !argc) && ((flags & ZFS_ITER_RECURSE) | cb.cb_version))
|
||
usage(B_FALSE);
|
||
if (showversions && (flags & ZFS_ITER_RECURSE || all ||
|
||
cb.cb_version || argc))
|
||
usage(B_FALSE);
|
||
if ((all || argc) && (showversions))
|
||
usage(B_FALSE);
|
||
if (all && argc)
|
||
usage(B_FALSE);
|
||
|
||
if (showversions) {
|
||
/* Show info on available versions. */
|
||
(void) printf(gettext("The following filesystem versions are "
|
||
"supported:\n\n"));
|
||
(void) printf(gettext("VER DESCRIPTION\n"));
|
||
(void) printf("--- -----------------------------------------"
|
||
"---------------\n");
|
||
(void) printf(gettext(" 1 Initial ZFS filesystem version\n"));
|
||
(void) printf(gettext(" 2 Enhanced directory entries\n"));
|
||
(void) printf(gettext(" 3 Case insensitive and filesystem "
|
||
"user identifier (FUID)\n"));
|
||
(void) printf(gettext(" 4 userquota, groupquota "
|
||
"properties\n"));
|
||
(void) printf(gettext(" 5 System attributes\n"));
|
||
(void) printf(gettext("\nFor more information on a particular "
|
||
"version, including supported releases,\n"));
|
||
(void) printf("see the ZFS Administration Guide.\n\n");
|
||
ret = 0;
|
||
} else if (argc || all) {
|
||
/* Upgrade filesystems */
|
||
if (cb.cb_version == 0)
|
||
cb.cb_version = ZPL_VERSION;
|
||
ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_FILESYSTEM,
|
||
NULL, NULL, 0, upgrade_set_callback, &cb);
|
||
(void) printf(gettext("%llu filesystems upgraded\n"),
|
||
(u_longlong_t)cb.cb_numupgraded);
|
||
if (cb.cb_numsamegraded) {
|
||
(void) printf(gettext("%llu filesystems already at "
|
||
"this version\n"),
|
||
(u_longlong_t)cb.cb_numsamegraded);
|
||
}
|
||
if (cb.cb_numfailed != 0)
|
||
ret = 1;
|
||
} else {
|
||
/* List old-version filesystems */
|
||
boolean_t found;
|
||
(void) printf(gettext("This system is currently running "
|
||
"ZFS filesystem version %llu.\n\n"), ZPL_VERSION);
|
||
|
||
flags |= ZFS_ITER_RECURSE;
|
||
ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
|
||
NULL, NULL, 0, upgrade_list_callback, &cb);
|
||
|
||
found = cb.cb_foundone;
|
||
cb.cb_foundone = B_FALSE;
|
||
cb.cb_newer = B_TRUE;
|
||
|
||
ret |= zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
|
||
NULL, NULL, 0, upgrade_list_callback, &cb);
|
||
|
||
if (!cb.cb_foundone && !found) {
|
||
(void) printf(gettext("All filesystems are "
|
||
"formatted with the current version.\n"));
|
||
}
|
||
}
|
||
|
||
return (ret);
|
||
}
|
||
|
||
/*
|
||
* zfs userspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
|
||
* [-S field [-S field]...] [-t type[,...]]
|
||
* filesystem | snapshot | path
|
||
* zfs groupspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
|
||
* [-S field [-S field]...] [-t type[,...]]
|
||
* filesystem | snapshot | path
|
||
* zfs projectspace [-Hp] [-o field[,...]] [-s field [-s field]...]
|
||
* [-S field [-S field]...] filesystem | snapshot | path
|
||
*
|
||
* -H Scripted mode; elide headers and separate columns by tabs.
|
||
* -i Translate SID to POSIX ID.
|
||
* -n Print numeric ID instead of user/group name.
|
||
* -o Control which fields to display.
|
||
* -p Use exact (parsable) numeric output.
|
||
* -s Specify sort columns, descending order.
|
||
* -S Specify sort columns, ascending order.
|
||
* -t Control which object types to display.
|
||
*
|
||
* Displays space consumed by, and quotas on, each user in the specified
|
||
* filesystem or snapshot.
|
||
*/
|
||
|
||
/* us_field_types, us_field_hdr and us_field_names should be kept in sync */
|
||
enum us_field_types {
|
||
USFIELD_TYPE,
|
||
USFIELD_NAME,
|
||
USFIELD_USED,
|
||
USFIELD_QUOTA,
|
||
USFIELD_OBJUSED,
|
||
USFIELD_OBJQUOTA
|
||
};
|
||
static const char *const us_field_hdr[] = { "TYPE", "NAME", "USED", "QUOTA",
|
||
"OBJUSED", "OBJQUOTA" };
|
||
static const char *const us_field_names[] = { "type", "name", "used", "quota",
|
||
"objused", "objquota" };
|
||
#define USFIELD_LAST (sizeof (us_field_names) / sizeof (char *))
|
||
|
||
#define USTYPE_PSX_GRP (1 << 0)
|
||
#define USTYPE_PSX_USR (1 << 1)
|
||
#define USTYPE_SMB_GRP (1 << 2)
|
||
#define USTYPE_SMB_USR (1 << 3)
|
||
#define USTYPE_PROJ (1 << 4)
|
||
#define USTYPE_ALL \
|
||
(USTYPE_PSX_GRP | USTYPE_PSX_USR | USTYPE_SMB_GRP | USTYPE_SMB_USR | \
|
||
USTYPE_PROJ)
|
||
|
||
static int us_type_bits[] = {
|
||
USTYPE_PSX_GRP,
|
||
USTYPE_PSX_USR,
|
||
USTYPE_SMB_GRP,
|
||
USTYPE_SMB_USR,
|
||
USTYPE_ALL
|
||
};
|
||
static const char *const us_type_names[] = { "posixgroup", "posixuser",
|
||
"smbgroup", "smbuser", "all" };
|
||
|
||
typedef struct us_node {
|
||
nvlist_t *usn_nvl;
|
||
uu_avl_node_t usn_avlnode;
|
||
uu_list_node_t usn_listnode;
|
||
} us_node_t;
|
||
|
||
typedef struct us_cbdata {
|
||
nvlist_t **cb_nvlp;
|
||
uu_avl_pool_t *cb_avl_pool;
|
||
uu_avl_t *cb_avl;
|
||
boolean_t cb_numname;
|
||
boolean_t cb_nicenum;
|
||
boolean_t cb_sid2posix;
|
||
zfs_userquota_prop_t cb_prop;
|
||
zfs_sort_column_t *cb_sortcol;
|
||
size_t cb_width[USFIELD_LAST];
|
||
} us_cbdata_t;
|
||
|
||
static boolean_t us_populated = B_FALSE;
|
||
|
||
typedef struct {
|
||
zfs_sort_column_t *si_sortcol;
|
||
boolean_t si_numname;
|
||
} us_sort_info_t;
|
||
|
||
static int
|
||
us_field_index(const char *field)
|
||
{
|
||
for (int i = 0; i < USFIELD_LAST; i++) {
|
||
if (strcmp(field, us_field_names[i]) == 0)
|
||
return (i);
|
||
}
|
||
|
||
return (-1);
|
||
}
|
||
|
||
static int
|
||
us_compare(const void *larg, const void *rarg, void *unused)
|
||
{
|
||
const us_node_t *l = larg;
|
||
const us_node_t *r = rarg;
|
||
us_sort_info_t *si = (us_sort_info_t *)unused;
|
||
zfs_sort_column_t *sortcol = si->si_sortcol;
|
||
boolean_t numname = si->si_numname;
|
||
nvlist_t *lnvl = l->usn_nvl;
|
||
nvlist_t *rnvl = r->usn_nvl;
|
||
int rc = 0;
|
||
boolean_t lvb, rvb;
|
||
|
||
for (; sortcol != NULL; sortcol = sortcol->sc_next) {
|
||
const char *lvstr = "";
|
||
const char *rvstr = "";
|
||
uint32_t lv32 = 0;
|
||
uint32_t rv32 = 0;
|
||
uint64_t lv64 = 0;
|
||
uint64_t rv64 = 0;
|
||
zfs_prop_t prop = sortcol->sc_prop;
|
||
const char *propname = NULL;
|
||
boolean_t reverse = sortcol->sc_reverse;
|
||
|
||
switch (prop) {
|
||
case ZFS_PROP_TYPE:
|
||
propname = "type";
|
||
(void) nvlist_lookup_uint32(lnvl, propname, &lv32);
|
||
(void) nvlist_lookup_uint32(rnvl, propname, &rv32);
|
||
if (rv32 != lv32)
|
||
rc = (rv32 < lv32) ? 1 : -1;
|
||
break;
|
||
case ZFS_PROP_NAME:
|
||
propname = "name";
|
||
if (numname) {
|
||
compare_nums:
|
||
(void) nvlist_lookup_uint64(lnvl, propname,
|
||
&lv64);
|
||
(void) nvlist_lookup_uint64(rnvl, propname,
|
||
&rv64);
|
||
if (rv64 != lv64)
|
||
rc = (rv64 < lv64) ? 1 : -1;
|
||
} else {
|
||
if ((nvlist_lookup_string(lnvl, propname,
|
||
&lvstr) == ENOENT) ||
|
||
(nvlist_lookup_string(rnvl, propname,
|
||
&rvstr) == ENOENT)) {
|
||
goto compare_nums;
|
||
}
|
||
rc = strcmp(lvstr, rvstr);
|
||
}
|
||
break;
|
||
case ZFS_PROP_USED:
|
||
case ZFS_PROP_QUOTA:
|
||
if (!us_populated)
|
||
break;
|
||
if (prop == ZFS_PROP_USED)
|
||
propname = "used";
|
||
else
|
||
propname = "quota";
|
||
(void) nvlist_lookup_uint64(lnvl, propname, &lv64);
|
||
(void) nvlist_lookup_uint64(rnvl, propname, &rv64);
|
||
if (rv64 != lv64)
|
||
rc = (rv64 < lv64) ? 1 : -1;
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
|
||
if (rc != 0) {
|
||
if (rc < 0)
|
||
return (reverse ? 1 : -1);
|
||
else
|
||
return (reverse ? -1 : 1);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* If entries still seem to be the same, check if they are of the same
|
||
* type (smbentity is added only if we are doing SID to POSIX ID
|
||
* translation where we can have duplicate type/name combinations).
|
||
*/
|
||
if (nvlist_lookup_boolean_value(lnvl, "smbentity", &lvb) == 0 &&
|
||
nvlist_lookup_boolean_value(rnvl, "smbentity", &rvb) == 0 &&
|
||
lvb != rvb)
|
||
return (lvb < rvb ? -1 : 1);
|
||
|
||
return (0);
|
||
}
|
||
|
||
static boolean_t
|
||
zfs_prop_is_user(unsigned p)
|
||
{
|
||
return (p == ZFS_PROP_USERUSED || p == ZFS_PROP_USERQUOTA ||
|
||
p == ZFS_PROP_USEROBJUSED || p == ZFS_PROP_USEROBJQUOTA);
|
||
}
|
||
|
||
static boolean_t
|
||
zfs_prop_is_group(unsigned p)
|
||
{
|
||
return (p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA ||
|
||
p == ZFS_PROP_GROUPOBJUSED || p == ZFS_PROP_GROUPOBJQUOTA);
|
||
}
|
||
|
||
static boolean_t
|
||
zfs_prop_is_project(unsigned p)
|
||
{
|
||
return (p == ZFS_PROP_PROJECTUSED || p == ZFS_PROP_PROJECTQUOTA ||
|
||
p == ZFS_PROP_PROJECTOBJUSED || p == ZFS_PROP_PROJECTOBJQUOTA);
|
||
}
|
||
|
||
static inline const char *
|
||
us_type2str(unsigned field_type)
|
||
{
|
||
switch (field_type) {
|
||
case USTYPE_PSX_USR:
|
||
return ("POSIX User");
|
||
case USTYPE_PSX_GRP:
|
||
return ("POSIX Group");
|
||
case USTYPE_SMB_USR:
|
||
return ("SMB User");
|
||
case USTYPE_SMB_GRP:
|
||
return ("SMB Group");
|
||
case USTYPE_PROJ:
|
||
return ("Project");
|
||
default:
|
||
return ("Undefined");
|
||
}
|
||
}
|
||
|
||
static int
|
||
userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space)
|
||
{
|
||
us_cbdata_t *cb = (us_cbdata_t *)arg;
|
||
zfs_userquota_prop_t prop = cb->cb_prop;
|
||
char *name = NULL;
|
||
const char *propname;
|
||
char sizebuf[32];
|
||
us_node_t *node;
|
||
uu_avl_pool_t *avl_pool = cb->cb_avl_pool;
|
||
uu_avl_t *avl = cb->cb_avl;
|
||
uu_avl_index_t idx;
|
||
nvlist_t *props;
|
||
us_node_t *n;
|
||
zfs_sort_column_t *sortcol = cb->cb_sortcol;
|
||
unsigned type = 0;
|
||
const char *typestr;
|
||
size_t namelen;
|
||
size_t typelen;
|
||
size_t sizelen;
|
||
int typeidx, nameidx, sizeidx;
|
||
us_sort_info_t sortinfo = { sortcol, cb->cb_numname };
|
||
boolean_t smbentity = B_FALSE;
|
||
|
||
if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
|
||
nomem();
|
||
node = safe_malloc(sizeof (us_node_t));
|
||
uu_avl_node_init(node, &node->usn_avlnode, avl_pool);
|
||
node->usn_nvl = props;
|
||
|
||
if (domain != NULL && domain[0] != '\0') {
|
||
#ifdef HAVE_IDMAP
|
||
/* SMB */
|
||
char sid[MAXNAMELEN + 32];
|
||
uid_t id;
|
||
uint64_t classes;
|
||
int err;
|
||
directory_error_t e;
|
||
|
||
smbentity = B_TRUE;
|
||
|
||
(void) snprintf(sid, sizeof (sid), "%s-%u", domain, rid);
|
||
|
||
if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) {
|
||
type = USTYPE_SMB_GRP;
|
||
err = sid_to_id(sid, B_FALSE, &id);
|
||
} else {
|
||
type = USTYPE_SMB_USR;
|
||
err = sid_to_id(sid, B_TRUE, &id);
|
||
}
|
||
|
||
if (err == 0) {
|
||
rid = id;
|
||
if (!cb->cb_sid2posix) {
|
||
e = directory_name_from_sid(NULL, sid, &name,
|
||
&classes);
|
||
if (e != NULL)
|
||
directory_error_free(e);
|
||
if (name == NULL)
|
||
name = sid;
|
||
}
|
||
}
|
||
#else
|
||
nvlist_free(props);
|
||
free(node);
|
||
|
||
return (-1);
|
||
#endif /* HAVE_IDMAP */
|
||
}
|
||
|
||
if (cb->cb_sid2posix || domain == NULL || domain[0] == '\0') {
|
||
/* POSIX or -i */
|
||
if (zfs_prop_is_group(prop)) {
|
||
type = USTYPE_PSX_GRP;
|
||
if (!cb->cb_numname) {
|
||
struct group *g;
|
||
|
||
if ((g = getgrgid(rid)) != NULL)
|
||
name = g->gr_name;
|
||
}
|
||
} else if (zfs_prop_is_user(prop)) {
|
||
type = USTYPE_PSX_USR;
|
||
if (!cb->cb_numname) {
|
||
struct passwd *p;
|
||
|
||
if ((p = getpwuid(rid)) != NULL)
|
||
name = p->pw_name;
|
||
}
|
||
} else {
|
||
type = USTYPE_PROJ;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Make sure that the type/name combination is unique when doing
|
||
* SID to POSIX ID translation (hence changing the type from SMB to
|
||
* POSIX).
|
||
*/
|
||
if (cb->cb_sid2posix &&
|
||
nvlist_add_boolean_value(props, "smbentity", smbentity) != 0)
|
||
nomem();
|
||
|
||
/* Calculate/update width of TYPE field */
|
||
typestr = us_type2str(type);
|
||
typelen = strlen(gettext(typestr));
|
||
typeidx = us_field_index("type");
|
||
if (typelen > cb->cb_width[typeidx])
|
||
cb->cb_width[typeidx] = typelen;
|
||
if (nvlist_add_uint32(props, "type", type) != 0)
|
||
nomem();
|
||
|
||
/* Calculate/update width of NAME field */
|
||
if ((cb->cb_numname && cb->cb_sid2posix) || name == NULL) {
|
||
if (nvlist_add_uint64(props, "name", rid) != 0)
|
||
nomem();
|
||
namelen = snprintf(NULL, 0, "%u", rid);
|
||
} else {
|
||
if (nvlist_add_string(props, "name", name) != 0)
|
||
nomem();
|
||
namelen = strlen(name);
|
||
}
|
||
nameidx = us_field_index("name");
|
||
if (nameidx >= 0 && namelen > cb->cb_width[nameidx])
|
||
cb->cb_width[nameidx] = namelen;
|
||
|
||
/*
|
||
* Check if this type/name combination is in the list and update it;
|
||
* otherwise add new node to the list.
|
||
*/
|
||
if ((n = uu_avl_find(avl, node, &sortinfo, &idx)) == NULL) {
|
||
uu_avl_insert(avl, node, idx);
|
||
} else {
|
||
nvlist_free(props);
|
||
free(node);
|
||
node = n;
|
||
props = node->usn_nvl;
|
||
}
|
||
|
||
/* Calculate/update width of USED/QUOTA fields */
|
||
if (cb->cb_nicenum) {
|
||
if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED ||
|
||
prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA ||
|
||
prop == ZFS_PROP_PROJECTUSED ||
|
||
prop == ZFS_PROP_PROJECTQUOTA) {
|
||
zfs_nicebytes(space, sizebuf, sizeof (sizebuf));
|
||
} else {
|
||
zfs_nicenum(space, sizebuf, sizeof (sizebuf));
|
||
}
|
||
} else {
|
||
(void) snprintf(sizebuf, sizeof (sizebuf), "%llu",
|
||
(u_longlong_t)space);
|
||
}
|
||
sizelen = strlen(sizebuf);
|
||
if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED ||
|
||
prop == ZFS_PROP_PROJECTUSED) {
|
||
propname = "used";
|
||
if (!nvlist_exists(props, "quota"))
|
||
(void) nvlist_add_uint64(props, "quota", 0);
|
||
} else if (prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA ||
|
||
prop == ZFS_PROP_PROJECTQUOTA) {
|
||
propname = "quota";
|
||
if (!nvlist_exists(props, "used"))
|
||
(void) nvlist_add_uint64(props, "used", 0);
|
||
} else if (prop == ZFS_PROP_USEROBJUSED ||
|
||
prop == ZFS_PROP_GROUPOBJUSED || prop == ZFS_PROP_PROJECTOBJUSED) {
|
||
propname = "objused";
|
||
if (!nvlist_exists(props, "objquota"))
|
||
(void) nvlist_add_uint64(props, "objquota", 0);
|
||
} else if (prop == ZFS_PROP_USEROBJQUOTA ||
|
||
prop == ZFS_PROP_GROUPOBJQUOTA ||
|
||
prop == ZFS_PROP_PROJECTOBJQUOTA) {
|
||
propname = "objquota";
|
||
if (!nvlist_exists(props, "objused"))
|
||
(void) nvlist_add_uint64(props, "objused", 0);
|
||
} else {
|
||
return (-1);
|
||
}
|
||
sizeidx = us_field_index(propname);
|
||
if (sizeidx >= 0 && sizelen > cb->cb_width[sizeidx])
|
||
cb->cb_width[sizeidx] = sizelen;
|
||
|
||
if (nvlist_add_uint64(props, propname, space) != 0)
|
||
nomem();
|
||
|
||
return (0);
|
||
}
|
||
|
||
static void
|
||
print_us_node(boolean_t scripted, boolean_t parsable, int *fields, int types,
|
||
size_t *width, us_node_t *node)
|
||
{
|
||
nvlist_t *nvl = node->usn_nvl;
|
||
char valstr[MAXNAMELEN];
|
||
boolean_t first = B_TRUE;
|
||
int cfield = 0;
|
||
int field;
|
||
uint32_t ustype;
|
||
|
||
/* Check type */
|
||
(void) nvlist_lookup_uint32(nvl, "type", &ustype);
|
||
if (!(ustype & types))
|
||
return;
|
||
|
||
while ((field = fields[cfield]) != USFIELD_LAST) {
|
||
nvpair_t *nvp = NULL;
|
||
data_type_t type;
|
||
uint32_t val32 = -1;
|
||
uint64_t val64 = -1;
|
||
const char *strval = "-";
|
||
|
||
while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL)
|
||
if (strcmp(nvpair_name(nvp),
|
||
us_field_names[field]) == 0)
|
||
break;
|
||
|
||
type = nvp == NULL ? DATA_TYPE_UNKNOWN : nvpair_type(nvp);
|
||
switch (type) {
|
||
case DATA_TYPE_UINT32:
|
||
val32 = fnvpair_value_uint32(nvp);
|
||
break;
|
||
case DATA_TYPE_UINT64:
|
||
val64 = fnvpair_value_uint64(nvp);
|
||
break;
|
||
case DATA_TYPE_STRING:
|
||
strval = fnvpair_value_string(nvp);
|
||
break;
|
||
case DATA_TYPE_UNKNOWN:
|
||
break;
|
||
default:
|
||
(void) fprintf(stderr, "invalid data type\n");
|
||
}
|
||
|
||
switch (field) {
|
||
case USFIELD_TYPE:
|
||
if (type == DATA_TYPE_UINT32)
|
||
strval = us_type2str(val32);
|
||
break;
|
||
case USFIELD_NAME:
|
||
if (type == DATA_TYPE_UINT64) {
|
||
(void) sprintf(valstr, "%llu",
|
||
(u_longlong_t)val64);
|
||
strval = valstr;
|
||
}
|
||
break;
|
||
case USFIELD_USED:
|
||
case USFIELD_QUOTA:
|
||
if (type == DATA_TYPE_UINT64) {
|
||
if (parsable) {
|
||
(void) sprintf(valstr, "%llu",
|
||
(u_longlong_t)val64);
|
||
strval = valstr;
|
||
} else if (field == USFIELD_QUOTA &&
|
||
val64 == 0) {
|
||
strval = "none";
|
||
} else {
|
||
zfs_nicebytes(val64, valstr,
|
||
sizeof (valstr));
|
||
strval = valstr;
|
||
}
|
||
}
|
||
break;
|
||
case USFIELD_OBJUSED:
|
||
case USFIELD_OBJQUOTA:
|
||
if (type == DATA_TYPE_UINT64) {
|
||
if (parsable) {
|
||
(void) sprintf(valstr, "%llu",
|
||
(u_longlong_t)val64);
|
||
strval = valstr;
|
||
} else if (field == USFIELD_OBJQUOTA &&
|
||
val64 == 0) {
|
||
strval = "none";
|
||
} else {
|
||
zfs_nicenum(val64, valstr,
|
||
sizeof (valstr));
|
||
strval = valstr;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
|
||
if (!first) {
|
||
if (scripted)
|
||
(void) putchar('\t');
|
||
else
|
||
(void) fputs(" ", stdout);
|
||
}
|
||
if (scripted)
|
||
(void) fputs(strval, stdout);
|
||
else if (field == USFIELD_TYPE || field == USFIELD_NAME)
|
||
(void) printf("%-*s", (int)width[field], strval);
|
||
else
|
||
(void) printf("%*s", (int)width[field], strval);
|
||
|
||
first = B_FALSE;
|
||
cfield++;
|
||
}
|
||
|
||
(void) putchar('\n');
|
||
}
|
||
|
||
static void
|
||
print_us(boolean_t scripted, boolean_t parsable, int *fields, int types,
|
||
size_t *width, boolean_t rmnode, uu_avl_t *avl)
|
||
{
|
||
us_node_t *node;
|
||
const char *col;
|
||
int cfield = 0;
|
||
int field;
|
||
|
||
if (!scripted) {
|
||
boolean_t first = B_TRUE;
|
||
|
||
while ((field = fields[cfield]) != USFIELD_LAST) {
|
||
col = gettext(us_field_hdr[field]);
|
||
if (field == USFIELD_TYPE || field == USFIELD_NAME) {
|
||
(void) printf(first ? "%-*s" : " %-*s",
|
||
(int)width[field], col);
|
||
} else {
|
||
(void) printf(first ? "%*s" : " %*s",
|
||
(int)width[field], col);
|
||
}
|
||
first = B_FALSE;
|
||
cfield++;
|
||
}
|
||
(void) printf("\n");
|
||
}
|
||
|
||
for (node = uu_avl_first(avl); node; node = uu_avl_next(avl, node)) {
|
||
print_us_node(scripted, parsable, fields, types, width, node);
|
||
if (rmnode)
|
||
nvlist_free(node->usn_nvl);
|
||
}
|
||
}
|
||
|
||
static int
|
||
zfs_do_userspace(int argc, char **argv)
|
||
{
|
||
zfs_handle_t *zhp;
|
||
zfs_userquota_prop_t p;
|
||
uu_avl_pool_t *avl_pool;
|
||
uu_avl_t *avl_tree;
|
||
uu_avl_walk_t *walk;
|
||
char *delim;
|
||
char deffields[] = "type,name,used,quota,objused,objquota";
|
||
char *ofield = NULL;
|
||
char *tfield = NULL;
|
||
int cfield = 0;
|
||
int fields[256];
|
||
int i;
|
||
boolean_t scripted = B_FALSE;
|
||
boolean_t prtnum = B_FALSE;
|
||
boolean_t parsable = B_FALSE;
|
||
boolean_t sid2posix = B_FALSE;
|
||
int ret = 0;
|
||
int c;
|
||
zfs_sort_column_t *sortcol = NULL;
|
||
int types = USTYPE_PSX_USR | USTYPE_SMB_USR;
|
||
us_cbdata_t cb;
|
||
us_node_t *node;
|
||
us_node_t *rmnode;
|
||
uu_list_pool_t *listpool;
|
||
uu_list_t *list;
|
||
uu_avl_index_t idx = 0;
|
||
uu_list_index_t idx2 = 0;
|
||
|
||
if (argc < 2)
|
||
usage(B_FALSE);
|
||
|
||
if (strcmp(argv[0], "groupspace") == 0) {
|
||
/* Toggle default group types */
|
||
types = USTYPE_PSX_GRP | USTYPE_SMB_GRP;
|
||
} else if (strcmp(argv[0], "projectspace") == 0) {
|
||
types = USTYPE_PROJ;
|
||
prtnum = B_TRUE;
|
||
}
|
||
|
||
while ((c = getopt(argc, argv, "nHpo:s:S:t:i")) != -1) {
|
||
switch (c) {
|
||
case 'n':
|
||
if (types == USTYPE_PROJ) {
|
||
(void) fprintf(stderr,
|
||
gettext("invalid option 'n'\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
prtnum = B_TRUE;
|
||
break;
|
||
case 'H':
|
||
scripted = B_TRUE;
|
||
break;
|
||
case 'p':
|
||
parsable = B_TRUE;
|
||
break;
|
||
case 'o':
|
||
ofield = optarg;
|
||
break;
|
||
case 's':
|
||
case 'S':
|
||
if (zfs_add_sort_column(&sortcol, optarg,
|
||
c == 's' ? B_FALSE : B_TRUE) != 0) {
|
||
(void) fprintf(stderr,
|
||
gettext("invalid field '%s'\n"), optarg);
|
||
usage(B_FALSE);
|
||
}
|
||
break;
|
||
case 't':
|
||
if (types == USTYPE_PROJ) {
|
||
(void) fprintf(stderr,
|
||
gettext("invalid option 't'\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
tfield = optarg;
|
||
break;
|
||
case 'i':
|
||
if (types == USTYPE_PROJ) {
|
||
(void) fprintf(stderr,
|
||
gettext("invalid option 'i'\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
sid2posix = B_TRUE;
|
||
break;
|
||
case ':':
|
||
(void) fprintf(stderr, gettext("missing argument for "
|
||
"'%c' option\n"), optopt);
|
||
usage(B_FALSE);
|
||
break;
|
||
case '?':
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
if (argc < 1) {
|
||
(void) fprintf(stderr, gettext("missing dataset name\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (argc > 1) {
|
||
(void) fprintf(stderr, gettext("too many arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
/* Use default output fields if not specified using -o */
|
||
if (ofield == NULL)
|
||
ofield = deffields;
|
||
do {
|
||
if ((delim = strchr(ofield, ',')) != NULL)
|
||
*delim = '\0';
|
||
if ((fields[cfield++] = us_field_index(ofield)) == -1) {
|
||
(void) fprintf(stderr, gettext("invalid type '%s' "
|
||
"for -o option\n"), ofield);
|
||
return (-1);
|
||
}
|
||
if (delim != NULL)
|
||
ofield = delim + 1;
|
||
} while (delim != NULL);
|
||
fields[cfield] = USFIELD_LAST;
|
||
|
||
/* Override output types (-t option) */
|
||
if (tfield != NULL) {
|
||
types = 0;
|
||
|
||
do {
|
||
boolean_t found = B_FALSE;
|
||
|
||
if ((delim = strchr(tfield, ',')) != NULL)
|
||
*delim = '\0';
|
||
for (i = 0; i < sizeof (us_type_bits) / sizeof (int);
|
||
i++) {
|
||
if (strcmp(tfield, us_type_names[i]) == 0) {
|
||
found = B_TRUE;
|
||
types |= us_type_bits[i];
|
||
break;
|
||
}
|
||
}
|
||
if (!found) {
|
||
(void) fprintf(stderr, gettext("invalid type "
|
||
"'%s' for -t option\n"), tfield);
|
||
return (-1);
|
||
}
|
||
if (delim != NULL)
|
||
tfield = delim + 1;
|
||
} while (delim != NULL);
|
||
}
|
||
|
||
if ((zhp = zfs_path_to_zhandle(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM |
|
||
ZFS_TYPE_SNAPSHOT)) == NULL)
|
||
return (1);
|
||
if (zfs_get_underlying_type(zhp) != ZFS_TYPE_FILESYSTEM) {
|
||
(void) fprintf(stderr, gettext("operation is only applicable "
|
||
"to filesystems and their snapshots\n"));
|
||
zfs_close(zhp);
|
||
return (1);
|
||
}
|
||
|
||
if ((avl_pool = uu_avl_pool_create("us_avl_pool", sizeof (us_node_t),
|
||
offsetof(us_node_t, usn_avlnode), us_compare, UU_DEFAULT)) == NULL)
|
||
nomem();
|
||
if ((avl_tree = uu_avl_create(avl_pool, NULL, UU_DEFAULT)) == NULL)
|
||
nomem();
|
||
|
||
/* Always add default sorting columns */
|
||
(void) zfs_add_sort_column(&sortcol, "type", B_FALSE);
|
||
(void) zfs_add_sort_column(&sortcol, "name", B_FALSE);
|
||
|
||
cb.cb_sortcol = sortcol;
|
||
cb.cb_numname = prtnum;
|
||
cb.cb_nicenum = !parsable;
|
||
cb.cb_avl_pool = avl_pool;
|
||
cb.cb_avl = avl_tree;
|
||
cb.cb_sid2posix = sid2posix;
|
||
|
||
for (i = 0; i < USFIELD_LAST; i++)
|
||
cb.cb_width[i] = strlen(gettext(us_field_hdr[i]));
|
||
|
||
for (p = 0; p < ZFS_NUM_USERQUOTA_PROPS; p++) {
|
||
if ((zfs_prop_is_user(p) &&
|
||
!(types & (USTYPE_PSX_USR | USTYPE_SMB_USR))) ||
|
||
(zfs_prop_is_group(p) &&
|
||
!(types & (USTYPE_PSX_GRP | USTYPE_SMB_GRP))) ||
|
||
(zfs_prop_is_project(p) && types != USTYPE_PROJ))
|
||
continue;
|
||
|
||
cb.cb_prop = p;
|
||
if ((ret = zfs_userspace(zhp, p, userspace_cb, &cb)) != 0) {
|
||
zfs_close(zhp);
|
||
return (ret);
|
||
}
|
||
}
|
||
zfs_close(zhp);
|
||
|
||
/* Sort the list */
|
||
if ((node = uu_avl_first(avl_tree)) == NULL)
|
||
return (0);
|
||
|
||
us_populated = B_TRUE;
|
||
|
||
listpool = uu_list_pool_create("tmplist", sizeof (us_node_t),
|
||
offsetof(us_node_t, usn_listnode), NULL, UU_DEFAULT);
|
||
list = uu_list_create(listpool, NULL, UU_DEFAULT);
|
||
uu_list_node_init(node, &node->usn_listnode, listpool);
|
||
|
||
while (node != NULL) {
|
||
rmnode = node;
|
||
node = uu_avl_next(avl_tree, node);
|
||
uu_avl_remove(avl_tree, rmnode);
|
||
if (uu_list_find(list, rmnode, NULL, &idx2) == NULL)
|
||
uu_list_insert(list, rmnode, idx2);
|
||
}
|
||
|
||
for (node = uu_list_first(list); node != NULL;
|
||
node = uu_list_next(list, node)) {
|
||
us_sort_info_t sortinfo = { sortcol, cb.cb_numname };
|
||
|
||
if (uu_avl_find(avl_tree, node, &sortinfo, &idx) == NULL)
|
||
uu_avl_insert(avl_tree, node, idx);
|
||
}
|
||
|
||
uu_list_destroy(list);
|
||
uu_list_pool_destroy(listpool);
|
||
|
||
/* Print and free node nvlist memory */
|
||
print_us(scripted, parsable, fields, types, cb.cb_width, B_TRUE,
|
||
cb.cb_avl);
|
||
|
||
zfs_free_sort_columns(sortcol);
|
||
|
||
/* Clean up the AVL tree */
|
||
if ((walk = uu_avl_walk_start(cb.cb_avl, UU_WALK_ROBUST)) == NULL)
|
||
nomem();
|
||
|
||
while ((node = uu_avl_walk_next(walk)) != NULL) {
|
||
uu_avl_remove(cb.cb_avl, node);
|
||
free(node);
|
||
}
|
||
|
||
uu_avl_walk_end(walk);
|
||
uu_avl_destroy(avl_tree);
|
||
uu_avl_pool_destroy(avl_pool);
|
||
|
||
return (ret);
|
||
}
|
||
|
||
/*
|
||
* list [-Hp][-r|-d max] [-o property[,...]] [-s property] ... [-S property]
|
||
* [-t type[,...]] [filesystem|volume|snapshot] ...
|
||
*
|
||
* -H Scripted mode; elide headers and separate columns by tabs
|
||
* -p Display values in parsable (literal) format.
|
||
* -r Recurse over all children
|
||
* -d Limit recursion by depth.
|
||
* -o Control which fields to display.
|
||
* -s Specify sort columns, descending order.
|
||
* -S Specify sort columns, ascending order.
|
||
* -t Control which object types to display.
|
||
*
|
||
* When given no arguments, list all filesystems in the system.
|
||
* Otherwise, list the specified datasets, optionally recursing down them if
|
||
* '-r' is specified.
|
||
*/
|
||
typedef struct list_cbdata {
|
||
boolean_t cb_first;
|
||
boolean_t cb_literal;
|
||
boolean_t cb_scripted;
|
||
zprop_list_t *cb_proplist;
|
||
} list_cbdata_t;
|
||
|
||
/*
|
||
* Given a list of columns to display, output appropriate headers for each one.
|
||
*/
|
||
static void
|
||
print_header(list_cbdata_t *cb)
|
||
{
|
||
zprop_list_t *pl = cb->cb_proplist;
|
||
char headerbuf[ZFS_MAXPROPLEN];
|
||
const char *header;
|
||
int i;
|
||
boolean_t first = B_TRUE;
|
||
boolean_t right_justify;
|
||
|
||
color_start(ANSI_BOLD);
|
||
|
||
for (; pl != NULL; pl = pl->pl_next) {
|
||
if (!first) {
|
||
(void) printf(" ");
|
||
} else {
|
||
first = B_FALSE;
|
||
}
|
||
|
||
right_justify = B_FALSE;
|
||
if (pl->pl_prop != ZPROP_USERPROP) {
|
||
header = zfs_prop_column_name(pl->pl_prop);
|
||
right_justify = zfs_prop_align_right(pl->pl_prop);
|
||
} else {
|
||
for (i = 0; pl->pl_user_prop[i] != '\0'; i++)
|
||
headerbuf[i] = toupper(pl->pl_user_prop[i]);
|
||
headerbuf[i] = '\0';
|
||
header = headerbuf;
|
||
}
|
||
|
||
if (pl->pl_next == NULL && !right_justify)
|
||
(void) printf("%s", header);
|
||
else if (right_justify)
|
||
(void) printf("%*s", (int)pl->pl_width, header);
|
||
else
|
||
(void) printf("%-*s", (int)pl->pl_width, header);
|
||
}
|
||
|
||
color_end();
|
||
|
||
(void) printf("\n");
|
||
}
|
||
|
||
/*
|
||
* Decides on the color that the avail value should be printed in.
|
||
* > 80% used = yellow
|
||
* > 90% used = red
|
||
*/
|
||
static const char *
|
||
zfs_list_avail_color(zfs_handle_t *zhp)
|
||
{
|
||
uint64_t used = zfs_prop_get_int(zhp, ZFS_PROP_USED);
|
||
uint64_t avail = zfs_prop_get_int(zhp, ZFS_PROP_AVAILABLE);
|
||
int percentage = (int)((double)avail / MAX(avail + used, 1) * 100);
|
||
|
||
if (percentage > 20)
|
||
return (NULL);
|
||
else if (percentage > 10)
|
||
return (ANSI_YELLOW);
|
||
else
|
||
return (ANSI_RED);
|
||
}
|
||
|
||
/*
|
||
* Given a dataset and a list of fields, print out all the properties according
|
||
* to the described layout.
|
||
*/
|
||
static void
|
||
print_dataset(zfs_handle_t *zhp, list_cbdata_t *cb)
|
||
{
|
||
zprop_list_t *pl = cb->cb_proplist;
|
||
boolean_t first = B_TRUE;
|
||
char property[ZFS_MAXPROPLEN];
|
||
nvlist_t *userprops = zfs_get_user_props(zhp);
|
||
nvlist_t *propval;
|
||
const char *propstr;
|
||
boolean_t right_justify;
|
||
|
||
for (; pl != NULL; pl = pl->pl_next) {
|
||
if (!first) {
|
||
if (cb->cb_scripted)
|
||
(void) putchar('\t');
|
||
else
|
||
(void) fputs(" ", stdout);
|
||
} else {
|
||
first = B_FALSE;
|
||
}
|
||
|
||
if (pl->pl_prop == ZFS_PROP_NAME) {
|
||
(void) strlcpy(property, zfs_get_name(zhp),
|
||
sizeof (property));
|
||
propstr = property;
|
||
right_justify = zfs_prop_align_right(pl->pl_prop);
|
||
} else if (pl->pl_prop != ZPROP_USERPROP) {
|
||
if (zfs_prop_get(zhp, pl->pl_prop, property,
|
||
sizeof (property), NULL, NULL, 0,
|
||
cb->cb_literal) != 0)
|
||
propstr = "-";
|
||
else
|
||
propstr = property;
|
||
right_justify = zfs_prop_align_right(pl->pl_prop);
|
||
} else if (zfs_prop_userquota(pl->pl_user_prop)) {
|
||
if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
|
||
property, sizeof (property), cb->cb_literal) != 0)
|
||
propstr = "-";
|
||
else
|
||
propstr = property;
|
||
right_justify = B_TRUE;
|
||
} else if (zfs_prop_written(pl->pl_user_prop)) {
|
||
if (zfs_prop_get_written(zhp, pl->pl_user_prop,
|
||
property, sizeof (property), cb->cb_literal) != 0)
|
||
propstr = "-";
|
||
else
|
||
propstr = property;
|
||
right_justify = B_TRUE;
|
||
} else {
|
||
if (nvlist_lookup_nvlist(userprops,
|
||
pl->pl_user_prop, &propval) != 0)
|
||
propstr = "-";
|
||
else
|
||
propstr = fnvlist_lookup_string(propval,
|
||
ZPROP_VALUE);
|
||
right_justify = B_FALSE;
|
||
}
|
||
|
||
/*
|
||
* zfs_list_avail_color() needs ZFS_PROP_AVAILABLE + USED
|
||
* - so we need another for() search for the USED part
|
||
* - when no colors wanted, we can skip the whole thing
|
||
*/
|
||
if (use_color() && pl->pl_prop == ZFS_PROP_AVAILABLE) {
|
||
zprop_list_t *pl2 = cb->cb_proplist;
|
||
for (; pl2 != NULL; pl2 = pl2->pl_next) {
|
||
if (pl2->pl_prop == ZFS_PROP_USED) {
|
||
color_start(zfs_list_avail_color(zhp));
|
||
/* found it, no need for more loops */
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
/*
|
||
* If this is being called in scripted mode, or if this is the
|
||
* last column and it is left-justified, don't include a width
|
||
* format specifier.
|
||
*/
|
||
if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify))
|
||
(void) fputs(propstr, stdout);
|
||
else if (right_justify)
|
||
(void) printf("%*s", (int)pl->pl_width, propstr);
|
||
else
|
||
(void) printf("%-*s", (int)pl->pl_width, propstr);
|
||
|
||
if (pl->pl_prop == ZFS_PROP_AVAILABLE)
|
||
color_end();
|
||
}
|
||
|
||
(void) putchar('\n');
|
||
}
|
||
|
||
/*
|
||
* Generic callback function to list a dataset or snapshot.
|
||
*/
|
||
static int
|
||
list_callback(zfs_handle_t *zhp, void *data)
|
||
{
|
||
list_cbdata_t *cbp = data;
|
||
|
||
if (cbp->cb_first) {
|
||
if (!cbp->cb_scripted)
|
||
print_header(cbp);
|
||
cbp->cb_first = B_FALSE;
|
||
}
|
||
|
||
print_dataset(zhp, cbp);
|
||
|
||
return (0);
|
||
}
|
||
|
||
static int
|
||
zfs_do_list(int argc, char **argv)
|
||
{
|
||
int c;
|
||
char default_fields[] =
|
||
"name,used,available,referenced,mountpoint";
|
||
int types = ZFS_TYPE_DATASET;
|
||
boolean_t types_specified = B_FALSE;
|
||
char *fields = default_fields;
|
||
list_cbdata_t cb = { 0 };
|
||
int limit = 0;
|
||
int ret = 0;
|
||
zfs_sort_column_t *sortcol = NULL;
|
||
int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS;
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, "HS:d:o:prs:t:")) != -1) {
|
||
switch (c) {
|
||
case 'o':
|
||
fields = optarg;
|
||
break;
|
||
case 'p':
|
||
cb.cb_literal = B_TRUE;
|
||
flags |= ZFS_ITER_LITERAL_PROPS;
|
||
break;
|
||
case 'd':
|
||
limit = parse_depth(optarg, &flags);
|
||
break;
|
||
case 'r':
|
||
flags |= ZFS_ITER_RECURSE;
|
||
break;
|
||
case 'H':
|
||
cb.cb_scripted = B_TRUE;
|
||
break;
|
||
case 's':
|
||
if (zfs_add_sort_column(&sortcol, optarg,
|
||
B_FALSE) != 0) {
|
||
(void) fprintf(stderr,
|
||
gettext("invalid property '%s'\n"), optarg);
|
||
usage(B_FALSE);
|
||
}
|
||
break;
|
||
case 'S':
|
||
if (zfs_add_sort_column(&sortcol, optarg,
|
||
B_TRUE) != 0) {
|
||
(void) fprintf(stderr,
|
||
gettext("invalid property '%s'\n"), optarg);
|
||
usage(B_FALSE);
|
||
}
|
||
break;
|
||
case 't':
|
||
types = 0;
|
||
types_specified = B_TRUE;
|
||
flags &= ~ZFS_ITER_PROP_LISTSNAPS;
|
||
|
||
for (char *tok; (tok = strsep(&optarg, ",")); ) {
|
||
static const char *const type_subopts[] = {
|
||
"filesystem", "volume",
|
||
"snapshot", "snap",
|
||
"bookmark",
|
||
"all" };
|
||
static const int type_types[] = {
|
||
ZFS_TYPE_FILESYSTEM, ZFS_TYPE_VOLUME,
|
||
ZFS_TYPE_SNAPSHOT, ZFS_TYPE_SNAPSHOT,
|
||
ZFS_TYPE_BOOKMARK,
|
||
ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK };
|
||
|
||
for (c = 0; c < ARRAY_SIZE(type_subopts); ++c)
|
||
if (strcmp(tok, type_subopts[c]) == 0) {
|
||
types |= type_types[c];
|
||
goto found3;
|
||
}
|
||
|
||
(void) fprintf(stderr,
|
||
gettext("invalid type '%s'\n"), tok);
|
||
usage(B_FALSE);
|
||
found3:;
|
||
}
|
||
break;
|
||
case ':':
|
||
(void) fprintf(stderr, gettext("missing argument for "
|
||
"'%c' option\n"), optopt);
|
||
usage(B_FALSE);
|
||
break;
|
||
case '?':
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
/*
|
||
* If "-o space" and no types were specified, don't display snapshots.
|
||
*/
|
||
if (strcmp(fields, "space") == 0 && types_specified == B_FALSE)
|
||
types &= ~ZFS_TYPE_SNAPSHOT;
|
||
|
||
/*
|
||
* Handle users who want to list all snapshots or bookmarks
|
||
* of the current dataset (ex. 'zfs list -t snapshot <dataset>').
|
||
*/
|
||
if ((types == ZFS_TYPE_SNAPSHOT || types == ZFS_TYPE_BOOKMARK) &&
|
||
argc > 0 && (flags & ZFS_ITER_RECURSE) == 0 && limit == 0) {
|
||
flags |= (ZFS_ITER_DEPTH_LIMIT | ZFS_ITER_RECURSE);
|
||
limit = 1;
|
||
}
|
||
|
||
/*
|
||
* If the user specifies '-o all', the zprop_get_list() doesn't
|
||
* normally include the name of the dataset. For 'zfs list', we always
|
||
* want this property to be first.
|
||
*/
|
||
if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
|
||
!= 0)
|
||
usage(B_FALSE);
|
||
|
||
cb.cb_first = B_TRUE;
|
||
|
||
/*
|
||
* If we are only going to list and sort by properties that are "fast"
|
||
* then we can use "simple" mode and avoid populating the properties
|
||
* nvlist.
|
||
*/
|
||
if (zfs_list_only_by_fast(cb.cb_proplist) &&
|
||
zfs_sort_only_by_fast(sortcol))
|
||
flags |= ZFS_ITER_SIMPLE;
|
||
|
||
ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist,
|
||
limit, list_callback, &cb);
|
||
|
||
zprop_free_list(cb.cb_proplist);
|
||
zfs_free_sort_columns(sortcol);
|
||
|
||
if (ret == 0 && cb.cb_first && !cb.cb_scripted)
|
||
(void) fprintf(stderr, gettext("no datasets available\n"));
|
||
|
||
return (ret);
|
||
}
|
||
|
||
/*
|
||
* zfs rename [-fu] <fs | snap | vol> <fs | snap | vol>
|
||
* zfs rename [-f] -p <fs | vol> <fs | vol>
|
||
* zfs rename [-u] -r <snap> <snap>
|
||
*
|
||
* Renames the given dataset to another of the same type.
|
||
*
|
||
* The '-p' flag creates all the non-existing ancestors of the target first.
|
||
* The '-u' flag prevents file systems from being remounted during rename.
|
||
*/
|
||
static int
|
||
zfs_do_rename(int argc, char **argv)
|
||
{
|
||
zfs_handle_t *zhp;
|
||
renameflags_t flags = { 0 };
|
||
int c;
|
||
int ret = 0;
|
||
int types;
|
||
boolean_t parents = B_FALSE;
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, "pruf")) != -1) {
|
||
switch (c) {
|
||
case 'p':
|
||
parents = B_TRUE;
|
||
break;
|
||
case 'r':
|
||
flags.recursive = B_TRUE;
|
||
break;
|
||
case 'u':
|
||
flags.nounmount = B_TRUE;
|
||
break;
|
||
case 'f':
|
||
flags.forceunmount = B_TRUE;
|
||
break;
|
||
case '?':
|
||
default:
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
/* check number of arguments */
|
||
if (argc < 1) {
|
||
(void) fprintf(stderr, gettext("missing source dataset "
|
||
"argument\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (argc < 2) {
|
||
(void) fprintf(stderr, gettext("missing target dataset "
|
||
"argument\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (argc > 2) {
|
||
(void) fprintf(stderr, gettext("too many arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
if (flags.recursive && parents) {
|
||
(void) fprintf(stderr, gettext("-p and -r options are mutually "
|
||
"exclusive\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
if (flags.nounmount && parents) {
|
||
(void) fprintf(stderr, gettext("-u and -p options are mutually "
|
||
"exclusive\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
if (flags.recursive && strchr(argv[0], '@') == 0) {
|
||
(void) fprintf(stderr, gettext("source dataset for recursive "
|
||
"rename must be a snapshot\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
if (flags.nounmount)
|
||
types = ZFS_TYPE_FILESYSTEM;
|
||
else if (parents)
|
||
types = ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
|
||
else
|
||
types = ZFS_TYPE_DATASET;
|
||
|
||
if ((zhp = zfs_open(g_zfs, argv[0], types)) == NULL)
|
||
return (1);
|
||
|
||
/* If we were asked and the name looks good, try to create ancestors. */
|
||
if (parents && zfs_name_valid(argv[1], zfs_get_type(zhp)) &&
|
||
zfs_create_ancestors(g_zfs, argv[1]) != 0) {
|
||
zfs_close(zhp);
|
||
return (1);
|
||
}
|
||
|
||
ret = (zfs_rename(zhp, argv[1], flags) != 0);
|
||
|
||
zfs_close(zhp);
|
||
return (ret);
|
||
}
|
||
|
||
/*
|
||
* zfs promote <fs>
|
||
*
|
||
* Promotes the given clone fs to be the parent
|
||
*/
|
||
static int
|
||
zfs_do_promote(int argc, char **argv)
|
||
{
|
||
zfs_handle_t *zhp;
|
||
int ret = 0;
|
||
|
||
/* check options */
|
||
if (argc > 1 && argv[1][0] == '-') {
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
argv[1][1]);
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
/* check number of arguments */
|
||
if (argc < 2) {
|
||
(void) fprintf(stderr, gettext("missing clone filesystem"
|
||
" argument\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (argc > 2) {
|
||
(void) fprintf(stderr, gettext("too many arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
zhp = zfs_open(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
|
||
if (zhp == NULL)
|
||
return (1);
|
||
|
||
ret = (zfs_promote(zhp) != 0);
|
||
|
||
|
||
zfs_close(zhp);
|
||
return (ret);
|
||
}
|
||
|
||
static int
|
||
zfs_do_redact(int argc, char **argv)
|
||
{
|
||
char *snap = NULL;
|
||
char *bookname = NULL;
|
||
char **rsnaps = NULL;
|
||
int numrsnaps = 0;
|
||
argv++;
|
||
argc--;
|
||
if (argc < 3) {
|
||
(void) fprintf(stderr, gettext("too few arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
snap = argv[0];
|
||
bookname = argv[1];
|
||
rsnaps = argv + 2;
|
||
numrsnaps = argc - 2;
|
||
|
||
nvlist_t *rsnapnv = fnvlist_alloc();
|
||
|
||
for (int i = 0; i < numrsnaps; i++) {
|
||
fnvlist_add_boolean(rsnapnv, rsnaps[i]);
|
||
}
|
||
|
||
int err = lzc_redact(snap, bookname, rsnapnv);
|
||
fnvlist_free(rsnapnv);
|
||
|
||
switch (err) {
|
||
case 0:
|
||
break;
|
||
case ENOENT: {
|
||
zfs_handle_t *zhp = zfs_open(g_zfs, snap, ZFS_TYPE_SNAPSHOT);
|
||
if (zhp == NULL) {
|
||
(void) fprintf(stderr, gettext("provided snapshot %s "
|
||
"does not exist\n"), snap);
|
||
} else {
|
||
zfs_close(zhp);
|
||
}
|
||
for (int i = 0; i < numrsnaps; i++) {
|
||
zhp = zfs_open(g_zfs, rsnaps[i], ZFS_TYPE_SNAPSHOT);
|
||
if (zhp == NULL) {
|
||
(void) fprintf(stderr, gettext("provided "
|
||
"snapshot %s does not exist\n"), rsnaps[i]);
|
||
} else {
|
||
zfs_close(zhp);
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case EEXIST:
|
||
(void) fprintf(stderr, gettext("specified redaction bookmark "
|
||
"(%s) provided already exists\n"), bookname);
|
||
break;
|
||
case ENAMETOOLONG:
|
||
(void) fprintf(stderr, gettext("provided bookmark name cannot "
|
||
"be used, final name would be too long\n"));
|
||
break;
|
||
case E2BIG:
|
||
(void) fprintf(stderr, gettext("too many redaction snapshots "
|
||
"specified\n"));
|
||
break;
|
||
case EINVAL:
|
||
if (strchr(bookname, '#') != NULL)
|
||
(void) fprintf(stderr, gettext(
|
||
"redaction bookmark name must not contain '#'\n"));
|
||
else
|
||
(void) fprintf(stderr, gettext(
|
||
"redaction snapshot must be descendent of "
|
||
"snapshot being redacted\n"));
|
||
break;
|
||
case EALREADY:
|
||
(void) fprintf(stderr, gettext("attempted to redact redacted "
|
||
"dataset or with respect to redacted dataset\n"));
|
||
break;
|
||
case ENOTSUP:
|
||
(void) fprintf(stderr, gettext("redaction bookmarks feature "
|
||
"not enabled\n"));
|
||
break;
|
||
case EXDEV:
|
||
(void) fprintf(stderr, gettext("potentially invalid redaction "
|
||
"snapshot; full dataset names required\n"));
|
||
break;
|
||
case ESRCH:
|
||
(void) fprintf(stderr, gettext("attempted to resume redaction "
|
||
" with a mismatched redaction list\n"));
|
||
break;
|
||
default:
|
||
(void) fprintf(stderr, gettext("internal error: %s\n"),
|
||
strerror(errno));
|
||
}
|
||
|
||
return (err);
|
||
}
|
||
|
||
/*
|
||
* zfs rollback [-rRf] <snapshot>
|
||
*
|
||
* -r Delete any intervening snapshots before doing rollback
|
||
* -R Delete any snapshots and their clones
|
||
* -f ignored for backwards compatibility
|
||
*
|
||
* Given a filesystem, rollback to a specific snapshot, discarding any changes
|
||
* since then and making it the active dataset. If more recent snapshots exist,
|
||
* the command will complain unless the '-r' flag is given.
|
||
*/
|
||
typedef struct rollback_cbdata {
|
||
uint64_t cb_create;
|
||
uint8_t cb_younger_ds_printed;
|
||
boolean_t cb_first;
|
||
int cb_doclones;
|
||
char *cb_target;
|
||
int cb_error;
|
||
boolean_t cb_recurse;
|
||
} rollback_cbdata_t;
|
||
|
||
static int
|
||
rollback_check_dependent(zfs_handle_t *zhp, void *data)
|
||
{
|
||
rollback_cbdata_t *cbp = data;
|
||
|
||
if (cbp->cb_first && cbp->cb_recurse) {
|
||
(void) fprintf(stderr, gettext("cannot rollback to "
|
||
"'%s': clones of previous snapshots exist\n"),
|
||
cbp->cb_target);
|
||
(void) fprintf(stderr, gettext("use '-R' to "
|
||
"force deletion of the following clones and "
|
||
"dependents:\n"));
|
||
cbp->cb_first = 0;
|
||
cbp->cb_error = 1;
|
||
}
|
||
|
||
(void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
|
||
|
||
zfs_close(zhp);
|
||
return (0);
|
||
}
|
||
|
||
|
||
/*
|
||
* Report some snapshots/bookmarks more recent than the one specified.
|
||
* Used when '-r' is not specified. We reuse this same callback for the
|
||
* snapshot dependents - if 'cb_dependent' is set, then this is a
|
||
* dependent and we should report it without checking the transaction group.
|
||
*/
|
||
static int
|
||
rollback_check(zfs_handle_t *zhp, void *data)
|
||
{
|
||
rollback_cbdata_t *cbp = data;
|
||
/*
|
||
* Max number of younger snapshots and/or bookmarks to display before
|
||
* we stop the iteration.
|
||
*/
|
||
const uint8_t max_younger = 32;
|
||
|
||
if (cbp->cb_doclones) {
|
||
zfs_close(zhp);
|
||
return (0);
|
||
}
|
||
|
||
if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > cbp->cb_create) {
|
||
if (cbp->cb_first && !cbp->cb_recurse) {
|
||
(void) fprintf(stderr, gettext("cannot "
|
||
"rollback to '%s': more recent snapshots "
|
||
"or bookmarks exist\n"),
|
||
cbp->cb_target);
|
||
(void) fprintf(stderr, gettext("use '-r' to "
|
||
"force deletion of the following "
|
||
"snapshots and bookmarks:\n"));
|
||
cbp->cb_first = 0;
|
||
cbp->cb_error = 1;
|
||
}
|
||
|
||
if (cbp->cb_recurse) {
|
||
if (zfs_iter_dependents_v2(zhp, 0, B_TRUE,
|
||
rollback_check_dependent, cbp) != 0) {
|
||
zfs_close(zhp);
|
||
return (-1);
|
||
}
|
||
} else {
|
||
(void) fprintf(stderr, "%s\n",
|
||
zfs_get_name(zhp));
|
||
cbp->cb_younger_ds_printed++;
|
||
}
|
||
}
|
||
zfs_close(zhp);
|
||
|
||
if (cbp->cb_younger_ds_printed == max_younger) {
|
||
/*
|
||
* This non-recursive rollback is going to fail due to the
|
||
* presence of snapshots and/or bookmarks that are younger than
|
||
* the rollback target.
|
||
* We printed some of the offending objects, now we stop
|
||
* zfs_iter_snapshot/bookmark iteration so we can fail fast and
|
||
* avoid iterating over the rest of the younger objects
|
||
*/
|
||
(void) fprintf(stderr, gettext("Output limited to %d "
|
||
"snapshots/bookmarks\n"), max_younger);
|
||
return (-1);
|
||
}
|
||
return (0);
|
||
}
|
||
|
||
static int
|
||
zfs_do_rollback(int argc, char **argv)
|
||
{
|
||
int ret = 0;
|
||
int c;
|
||
boolean_t force = B_FALSE;
|
||
rollback_cbdata_t cb = { 0 };
|
||
zfs_handle_t *zhp, *snap;
|
||
char parentname[ZFS_MAX_DATASET_NAME_LEN];
|
||
char *delim;
|
||
uint64_t min_txg = 0;
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, "rRf")) != -1) {
|
||
switch (c) {
|
||
case 'r':
|
||
cb.cb_recurse = 1;
|
||
break;
|
||
case 'R':
|
||
cb.cb_recurse = 1;
|
||
cb.cb_doclones = 1;
|
||
break;
|
||
case 'f':
|
||
force = B_TRUE;
|
||
break;
|
||
case '?':
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
/* check number of arguments */
|
||
if (argc < 1) {
|
||
(void) fprintf(stderr, gettext("missing dataset argument\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (argc > 1) {
|
||
(void) fprintf(stderr, gettext("too many arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
/* open the snapshot */
|
||
if ((snap = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL)
|
||
return (1);
|
||
|
||
/* open the parent dataset */
|
||
(void) strlcpy(parentname, argv[0], sizeof (parentname));
|
||
verify((delim = strrchr(parentname, '@')) != NULL);
|
||
*delim = '\0';
|
||
if ((zhp = zfs_open(g_zfs, parentname, ZFS_TYPE_DATASET)) == NULL) {
|
||
zfs_close(snap);
|
||
return (1);
|
||
}
|
||
|
||
/*
|
||
* Check for more recent snapshots and/or clones based on the presence
|
||
* of '-r' and '-R'.
|
||
*/
|
||
cb.cb_target = argv[0];
|
||
cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG);
|
||
cb.cb_first = B_TRUE;
|
||
cb.cb_error = 0;
|
||
|
||
if (cb.cb_create > 0)
|
||
min_txg = cb.cb_create;
|
||
|
||
if ((ret = zfs_iter_snapshots_v2(zhp, 0, rollback_check, &cb,
|
||
min_txg, 0)) != 0)
|
||
goto out;
|
||
if ((ret = zfs_iter_bookmarks_v2(zhp, 0, rollback_check, &cb)) != 0)
|
||
goto out;
|
||
|
||
if ((ret = cb.cb_error) != 0)
|
||
goto out;
|
||
|
||
/*
|
||
* Rollback parent to the given snapshot.
|
||
*/
|
||
ret = zfs_rollback(zhp, snap, force);
|
||
|
||
out:
|
||
zfs_close(snap);
|
||
zfs_close(zhp);
|
||
|
||
if (ret == 0)
|
||
return (0);
|
||
else
|
||
return (1);
|
||
}
|
||
|
||
/*
|
||
* zfs set property=value ... { fs | snap | vol } ...
|
||
*
|
||
* Sets the given properties for all datasets specified on the command line.
|
||
*/
|
||
|
||
static int
|
||
set_callback(zfs_handle_t *zhp, void *data)
|
||
{
|
||
zprop_set_cbdata_t *cb = data;
|
||
int ret = zfs_prop_set_list_flags(zhp, cb->cb_proplist, cb->cb_flags);
|
||
|
||
if (ret != 0 || libzfs_errno(g_zfs) != EZFS_SUCCESS) {
|
||
switch (libzfs_errno(g_zfs)) {
|
||
case EZFS_MOUNTFAILED:
|
||
(void) fprintf(stderr, gettext("property may be set "
|
||
"but unable to remount filesystem\n"));
|
||
break;
|
||
case EZFS_SHARENFSFAILED:
|
||
(void) fprintf(stderr, gettext("property may be set "
|
||
"but unable to reshare filesystem\n"));
|
||
break;
|
||
}
|
||
}
|
||
return (ret);
|
||
}
|
||
|
||
static int
|
||
zfs_do_set(int argc, char **argv)
|
||
{
|
||
zprop_set_cbdata_t cb = { 0 };
|
||
int ds_start = -1; /* argv idx of first dataset arg */
|
||
int ret = 0;
|
||
int i, c;
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, "u")) != -1) {
|
||
switch (c) {
|
||
case 'u':
|
||
cb.cb_flags |= ZFS_SET_NOMOUNT;
|
||
break;
|
||
case '?':
|
||
default:
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
/* check number of arguments */
|
||
if (argc < 1) {
|
||
(void) fprintf(stderr, gettext("missing arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (argc < 2) {
|
||
if (strchr(argv[0], '=') == NULL) {
|
||
(void) fprintf(stderr, gettext("missing property=value "
|
||
"argument(s)\n"));
|
||
} else {
|
||
(void) fprintf(stderr, gettext("missing dataset "
|
||
"name(s)\n"));
|
||
}
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
/* validate argument order: prop=val args followed by dataset args */
|
||
for (i = 0; i < argc; i++) {
|
||
if (strchr(argv[i], '=') != NULL) {
|
||
if (ds_start > 0) {
|
||
/* out-of-order prop=val argument */
|
||
(void) fprintf(stderr, gettext("invalid "
|
||
"argument order\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
} else if (ds_start < 0) {
|
||
ds_start = i;
|
||
}
|
||
}
|
||
if (ds_start < 0) {
|
||
(void) fprintf(stderr, gettext("missing dataset name(s)\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
/* Populate a list of property settings */
|
||
if (nvlist_alloc(&cb.cb_proplist, NV_UNIQUE_NAME, 0) != 0)
|
||
nomem();
|
||
for (i = 0; i < ds_start; i++) {
|
||
if (!parseprop(cb.cb_proplist, argv[i])) {
|
||
ret = -1;
|
||
goto error;
|
||
}
|
||
}
|
||
|
||
ret = zfs_for_each(argc - ds_start, argv + ds_start, 0,
|
||
ZFS_TYPE_DATASET, NULL, NULL, 0, set_callback, &cb);
|
||
|
||
error:
|
||
nvlist_free(cb.cb_proplist);
|
||
return (ret);
|
||
}
|
||
|
||
typedef struct snap_cbdata {
|
||
nvlist_t *sd_nvl;
|
||
boolean_t sd_recursive;
|
||
const char *sd_snapname;
|
||
} snap_cbdata_t;
|
||
|
||
static int
|
||
zfs_snapshot_cb(zfs_handle_t *zhp, void *arg)
|
||
{
|
||
snap_cbdata_t *sd = arg;
|
||
char *name;
|
||
int rv = 0;
|
||
int error;
|
||
|
||
if (sd->sd_recursive &&
|
||
zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) != 0) {
|
||
zfs_close(zhp);
|
||
return (0);
|
||
}
|
||
|
||
error = asprintf(&name, "%s@%s", zfs_get_name(zhp), sd->sd_snapname);
|
||
if (error == -1)
|
||
nomem();
|
||
fnvlist_add_boolean(sd->sd_nvl, name);
|
||
free(name);
|
||
|
||
if (sd->sd_recursive)
|
||
rv = zfs_iter_filesystems_v2(zhp, 0, zfs_snapshot_cb, sd);
|
||
zfs_close(zhp);
|
||
return (rv);
|
||
}
|
||
|
||
/*
|
||
* zfs snapshot [-r] [-o prop=value] ... <fs@snap>
|
||
*
|
||
* Creates a snapshot with the given name. While functionally equivalent to
|
||
* 'zfs create', it is a separate command to differentiate intent.
|
||
*/
|
||
static int
|
||
zfs_do_snapshot(int argc, char **argv)
|
||
{
|
||
int ret = 0;
|
||
int c;
|
||
nvlist_t *props;
|
||
snap_cbdata_t sd = { 0 };
|
||
boolean_t multiple_snaps = B_FALSE;
|
||
|
||
if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
|
||
nomem();
|
||
if (nvlist_alloc(&sd.sd_nvl, NV_UNIQUE_NAME, 0) != 0)
|
||
nomem();
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, "ro:")) != -1) {
|
||
switch (c) {
|
||
case 'o':
|
||
if (!parseprop(props, optarg)) {
|
||
nvlist_free(sd.sd_nvl);
|
||
nvlist_free(props);
|
||
return (1);
|
||
}
|
||
break;
|
||
case 'r':
|
||
sd.sd_recursive = B_TRUE;
|
||
multiple_snaps = B_TRUE;
|
||
break;
|
||
case '?':
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
goto usage;
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
/* check number of arguments */
|
||
if (argc < 1) {
|
||
(void) fprintf(stderr, gettext("missing snapshot argument\n"));
|
||
goto usage;
|
||
}
|
||
|
||
if (argc > 1)
|
||
multiple_snaps = B_TRUE;
|
||
for (; argc > 0; argc--, argv++) {
|
||
char *atp;
|
||
zfs_handle_t *zhp;
|
||
|
||
atp = strchr(argv[0], '@');
|
||
if (atp == NULL)
|
||
goto usage;
|
||
*atp = '\0';
|
||
sd.sd_snapname = atp + 1;
|
||
zhp = zfs_open(g_zfs, argv[0],
|
||
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
|
||
if (zhp == NULL)
|
||
goto usage;
|
||
if (zfs_snapshot_cb(zhp, &sd) != 0)
|
||
goto usage;
|
||
}
|
||
|
||
ret = zfs_snapshot_nvl(g_zfs, sd.sd_nvl, props);
|
||
nvlist_free(sd.sd_nvl);
|
||
nvlist_free(props);
|
||
if (ret != 0 && multiple_snaps)
|
||
(void) fprintf(stderr, gettext("no snapshots were created\n"));
|
||
return (ret != 0);
|
||
|
||
usage:
|
||
nvlist_free(sd.sd_nvl);
|
||
nvlist_free(props);
|
||
usage(B_FALSE);
|
||
return (-1);
|
||
}
|
||
|
||
/*
|
||
* Array of prefixes to exclude –
|
||
* a linear search, even if executed for each dataset,
|
||
* is plenty good enough.
|
||
*/
|
||
typedef struct zfs_send_exclude_arg {
|
||
size_t count;
|
||
const char **list;
|
||
} zfs_send_exclude_arg_t;
|
||
|
||
static boolean_t
|
||
zfs_do_send_exclude(zfs_handle_t *zhp, void *context)
|
||
{
|
||
zfs_send_exclude_arg_t *excludes = context;
|
||
const char *name = zfs_get_name(zhp);
|
||
|
||
for (size_t i = 0; i < excludes->count; ++i) {
|
||
size_t len = strlen(excludes->list[i]);
|
||
if (strncmp(name, excludes->list[i], len) == 0 &&
|
||
memchr("/@", name[len], sizeof ("/@")))
|
||
return (B_FALSE);
|
||
}
|
||
|
||
return (B_TRUE);
|
||
}
|
||
|
||
/*
|
||
* Send a backup stream to stdout.
|
||
*/
|
||
static int
|
||
zfs_do_send(int argc, char **argv)
|
||
{
|
||
char *fromname = NULL;
|
||
char *toname = NULL;
|
||
char *resume_token = NULL;
|
||
char *cp;
|
||
zfs_handle_t *zhp;
|
||
sendflags_t flags = { 0 };
|
||
int c, err;
|
||
nvlist_t *dbgnv = NULL;
|
||
char *redactbook = NULL;
|
||
zfs_send_exclude_arg_t excludes = { 0 };
|
||
|
||
struct option long_options[] = {
|
||
{"replicate", no_argument, NULL, 'R'},
|
||
{"skip-missing", no_argument, NULL, 's'},
|
||
{"redact", required_argument, NULL, 'd'},
|
||
{"props", no_argument, NULL, 'p'},
|
||
{"parsable", no_argument, NULL, 'P'},
|
||
{"dedup", no_argument, NULL, 'D'},
|
||
{"proctitle", no_argument, NULL, 'V'},
|
||
{"verbose", no_argument, NULL, 'v'},
|
||
{"dryrun", no_argument, NULL, 'n'},
|
||
{"large-block", no_argument, NULL, 'L'},
|
||
{"embed", no_argument, NULL, 'e'},
|
||
{"resume", required_argument, NULL, 't'},
|
||
{"compressed", no_argument, NULL, 'c'},
|
||
{"raw", no_argument, NULL, 'w'},
|
||
{"backup", no_argument, NULL, 'b'},
|
||
{"holds", no_argument, NULL, 'h'},
|
||
{"saved", no_argument, NULL, 'S'},
|
||
{"exclude", required_argument, NULL, 'X'},
|
||
{0, 0, 0, 0}
|
||
};
|
||
|
||
/* check options */
|
||
while ((c = getopt_long(argc, argv, ":i:I:RsDpVvnPLeht:cwbd:SX:",
|
||
long_options, NULL)) != -1) {
|
||
switch (c) {
|
||
case 'X':
|
||
for (char *ds; (ds = strsep(&optarg, ",")) != NULL; ) {
|
||
if (!zfs_name_valid(ds, ZFS_TYPE_DATASET) ||
|
||
strchr(ds, '/') == NULL) {
|
||
(void) fprintf(stderr, gettext("-X %s: "
|
||
"not a valid non-root dataset name"
|
||
".\n"), ds);
|
||
usage(B_FALSE);
|
||
}
|
||
excludes.list = safe_realloc(excludes.list,
|
||
sizeof (char *) * (excludes.count + 1));
|
||
excludes.list[excludes.count++] = ds;
|
||
}
|
||
break;
|
||
case 'i':
|
||
if (fromname)
|
||
usage(B_FALSE);
|
||
fromname = optarg;
|
||
break;
|
||
case 'I':
|
||
if (fromname)
|
||
usage(B_FALSE);
|
||
fromname = optarg;
|
||
flags.doall = B_TRUE;
|
||
break;
|
||
case 'R':
|
||
flags.replicate = B_TRUE;
|
||
break;
|
||
case 's':
|
||
flags.skipmissing = B_TRUE;
|
||
break;
|
||
case 'd':
|
||
redactbook = optarg;
|
||
break;
|
||
case 'p':
|
||
flags.props = B_TRUE;
|
||
break;
|
||
case 'b':
|
||
flags.backup = B_TRUE;
|
||
break;
|
||
case 'h':
|
||
flags.holds = B_TRUE;
|
||
break;
|
||
case 'P':
|
||
flags.parsable = B_TRUE;
|
||
break;
|
||
case 'V':
|
||
flags.progressastitle = B_TRUE;
|
||
break;
|
||
case 'v':
|
||
flags.verbosity++;
|
||
flags.progress = B_TRUE;
|
||
break;
|
||
case 'D':
|
||
(void) fprintf(stderr,
|
||
gettext("WARNING: deduplicated send is no "
|
||
"longer supported. A regular,\n"
|
||
"non-deduplicated stream will be generated.\n\n"));
|
||
break;
|
||
case 'n':
|
||
flags.dryrun = B_TRUE;
|
||
break;
|
||
case 'L':
|
||
flags.largeblock = B_TRUE;
|
||
break;
|
||
case 'e':
|
||
flags.embed_data = B_TRUE;
|
||
break;
|
||
case 't':
|
||
resume_token = optarg;
|
||
break;
|
||
case 'c':
|
||
flags.compress = B_TRUE;
|
||
break;
|
||
case 'w':
|
||
flags.raw = B_TRUE;
|
||
flags.compress = B_TRUE;
|
||
flags.embed_data = B_TRUE;
|
||
flags.largeblock = B_TRUE;
|
||
break;
|
||
case 'S':
|
||
flags.saved = B_TRUE;
|
||
break;
|
||
case ':':
|
||
/*
|
||
* If a parameter was not passed, optopt contains the
|
||
* value that would normally lead us into the
|
||
* appropriate case statement. If it's > 256, then this
|
||
* must be a longopt and we should look at argv to get
|
||
* the string. Otherwise it's just the character, so we
|
||
* should use it directly.
|
||
*/
|
||
if (optopt <= UINT8_MAX) {
|
||
(void) fprintf(stderr,
|
||
gettext("missing argument for '%c' "
|
||
"option\n"), optopt);
|
||
} else {
|
||
(void) fprintf(stderr,
|
||
gettext("missing argument for '%s' "
|
||
"option\n"), argv[optind - 1]);
|
||
}
|
||
free(excludes.list);
|
||
usage(B_FALSE);
|
||
break;
|
||
case '?':
|
||
default:
|
||
/*
|
||
* If an invalid flag was passed, optopt contains the
|
||
* character if it was a short flag, or 0 if it was a
|
||
* longopt.
|
||
*/
|
||
if (optopt != 0) {
|
||
(void) fprintf(stderr,
|
||
gettext("invalid option '%c'\n"), optopt);
|
||
} else {
|
||
(void) fprintf(stderr,
|
||
gettext("invalid option '%s'\n"),
|
||
argv[optind - 1]);
|
||
|
||
}
|
||
free(excludes.list);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
if ((flags.parsable || flags.progressastitle) && flags.verbosity == 0)
|
||
flags.verbosity = 1;
|
||
|
||
if (excludes.count > 0 && !flags.replicate) {
|
||
free(excludes.list);
|
||
(void) fprintf(stderr, gettext("Cannot specify "
|
||
"dataset exclusion (-X) on a non-recursive "
|
||
"send.\n"));
|
||
return (1);
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
if (resume_token != NULL) {
|
||
if (fromname != NULL || flags.replicate || flags.props ||
|
||
flags.backup || flags.holds ||
|
||
flags.saved || redactbook != NULL) {
|
||
free(excludes.list);
|
||
(void) fprintf(stderr,
|
||
gettext("invalid flags combined with -t\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (argc > 0) {
|
||
free(excludes.list);
|
||
(void) fprintf(stderr, gettext("too many arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
} else {
|
||
if (argc < 1) {
|
||
free(excludes.list);
|
||
(void) fprintf(stderr,
|
||
gettext("missing snapshot argument\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (argc > 1) {
|
||
free(excludes.list);
|
||
(void) fprintf(stderr, gettext("too many arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
if (flags.saved) {
|
||
if (fromname != NULL || flags.replicate || flags.props ||
|
||
flags.doall || flags.backup ||
|
||
flags.holds || flags.largeblock || flags.embed_data ||
|
||
flags.compress || flags.raw || redactbook != NULL) {
|
||
free(excludes.list);
|
||
|
||
(void) fprintf(stderr, gettext("incompatible flags "
|
||
"combined with saved send flag\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (strchr(argv[0], '@') != NULL) {
|
||
free(excludes.list);
|
||
|
||
(void) fprintf(stderr, gettext("saved send must "
|
||
"specify the dataset with partially-received "
|
||
"state\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
if (flags.raw && redactbook != NULL) {
|
||
free(excludes.list);
|
||
(void) fprintf(stderr,
|
||
gettext("Error: raw sends may not be redacted.\n"));
|
||
return (1);
|
||
}
|
||
|
||
if (!flags.dryrun && isatty(STDOUT_FILENO)) {
|
||
free(excludes.list);
|
||
(void) fprintf(stderr,
|
||
gettext("Error: Stream can not be written to a terminal.\n"
|
||
"You must redirect standard output.\n"));
|
||
return (1);
|
||
}
|
||
|
||
if (flags.saved) {
|
||
zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET);
|
||
if (zhp == NULL) {
|
||
free(excludes.list);
|
||
return (1);
|
||
}
|
||
|
||
err = zfs_send_saved(zhp, &flags, STDOUT_FILENO,
|
||
resume_token);
|
||
free(excludes.list);
|
||
zfs_close(zhp);
|
||
return (err != 0);
|
||
} else if (resume_token != NULL) {
|
||
free(excludes.list);
|
||
return (zfs_send_resume(g_zfs, &flags, STDOUT_FILENO,
|
||
resume_token));
|
||
}
|
||
|
||
if (flags.skipmissing && !flags.replicate) {
|
||
free(excludes.list);
|
||
(void) fprintf(stderr,
|
||
gettext("skip-missing flag can only be used in "
|
||
"conjunction with replicate\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
/*
|
||
* For everything except -R and -I, use the new, cleaner code path.
|
||
*/
|
||
if (!(flags.replicate || flags.doall)) {
|
||
char frombuf[ZFS_MAX_DATASET_NAME_LEN];
|
||
|
||
if (fromname != NULL && (strchr(fromname, '#') == NULL &&
|
||
strchr(fromname, '@') == NULL)) {
|
||
/*
|
||
* Neither bookmark or snapshot was specified. Print a
|
||
* warning, and assume snapshot.
|
||
*/
|
||
(void) fprintf(stderr, "Warning: incremental source "
|
||
"didn't specify type, assuming snapshot. Use '@' "
|
||
"or '#' prefix to avoid ambiguity.\n");
|
||
(void) snprintf(frombuf, sizeof (frombuf), "@%s",
|
||
fromname);
|
||
fromname = frombuf;
|
||
}
|
||
if (fromname != NULL &&
|
||
(fromname[0] == '#' || fromname[0] == '@')) {
|
||
/*
|
||
* Incremental source name begins with # or @.
|
||
* Default to same fs as target.
|
||
*/
|
||
char tmpbuf[ZFS_MAX_DATASET_NAME_LEN];
|
||
(void) strlcpy(tmpbuf, fromname, sizeof (tmpbuf));
|
||
(void) strlcpy(frombuf, argv[0], sizeof (frombuf));
|
||
cp = strchr(frombuf, '@');
|
||
if (cp != NULL)
|
||
*cp = '\0';
|
||
(void) strlcat(frombuf, tmpbuf, sizeof (frombuf));
|
||
fromname = frombuf;
|
||
}
|
||
|
||
zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET);
|
||
if (zhp == NULL) {
|
||
free(excludes.list);
|
||
return (1);
|
||
}
|
||
err = zfs_send_one(zhp, fromname, STDOUT_FILENO, &flags,
|
||
redactbook);
|
||
|
||
free(excludes.list);
|
||
zfs_close(zhp);
|
||
return (err != 0);
|
||
}
|
||
|
||
if (fromname != NULL && strchr(fromname, '#')) {
|
||
(void) fprintf(stderr,
|
||
gettext("Error: multiple snapshots cannot be "
|
||
"sent from a bookmark.\n"));
|
||
free(excludes.list);
|
||
return (1);
|
||
}
|
||
|
||
if (redactbook != NULL) {
|
||
(void) fprintf(stderr, gettext("Error: multiple snapshots "
|
||
"cannot be sent redacted.\n"));
|
||
free(excludes.list);
|
||
return (1);
|
||
}
|
||
|
||
if ((cp = strchr(argv[0], '@')) == NULL) {
|
||
(void) fprintf(stderr, gettext("Error: "
|
||
"Unsupported flag with filesystem or bookmark.\n"));
|
||
free(excludes.list);
|
||
return (1);
|
||
}
|
||
*cp = '\0';
|
||
toname = cp + 1;
|
||
zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
|
||
if (zhp == NULL) {
|
||
free(excludes.list);
|
||
return (1);
|
||
}
|
||
|
||
/*
|
||
* If they specified the full path to the snapshot, chop off
|
||
* everything except the short name of the snapshot, but special
|
||
* case if they specify the origin.
|
||
*/
|
||
if (fromname && (cp = strchr(fromname, '@')) != NULL) {
|
||
char origin[ZFS_MAX_DATASET_NAME_LEN];
|
||
zprop_source_t src;
|
||
|
||
(void) zfs_prop_get(zhp, ZFS_PROP_ORIGIN,
|
||
origin, sizeof (origin), &src, NULL, 0, B_FALSE);
|
||
|
||
if (strcmp(origin, fromname) == 0) {
|
||
fromname = NULL;
|
||
flags.fromorigin = B_TRUE;
|
||
} else {
|
||
*cp = '\0';
|
||
if (cp != fromname && strcmp(argv[0], fromname)) {
|
||
zfs_close(zhp);
|
||
free(excludes.list);
|
||
(void) fprintf(stderr,
|
||
gettext("incremental source must be "
|
||
"in same filesystem\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
fromname = cp + 1;
|
||
if (strchr(fromname, '@') || strchr(fromname, '/')) {
|
||
zfs_close(zhp);
|
||
free(excludes.list);
|
||
(void) fprintf(stderr,
|
||
gettext("invalid incremental source\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
}
|
||
|
||
if (flags.replicate && fromname == NULL)
|
||
flags.doall = B_TRUE;
|
||
|
||
err = zfs_send(zhp, fromname, toname, &flags, STDOUT_FILENO,
|
||
excludes.count > 0 ? zfs_do_send_exclude : NULL,
|
||
&excludes, flags.verbosity >= 3 ? &dbgnv : NULL);
|
||
|
||
if (flags.verbosity >= 3 && dbgnv != NULL) {
|
||
/*
|
||
* dump_nvlist prints to stdout, but that's been
|
||
* redirected to a file. Make it print to stderr
|
||
* instead.
|
||
*/
|
||
(void) dup2(STDERR_FILENO, STDOUT_FILENO);
|
||
dump_nvlist(dbgnv, 0);
|
||
nvlist_free(dbgnv);
|
||
}
|
||
|
||
zfs_close(zhp);
|
||
free(excludes.list);
|
||
return (err != 0);
|
||
}
|
||
|
||
/*
|
||
* Restore a backup stream from stdin.
|
||
*/
|
||
static int
|
||
zfs_do_receive(int argc, char **argv)
|
||
{
|
||
int c, err = 0;
|
||
recvflags_t flags = { 0 };
|
||
boolean_t abort_resumable = B_FALSE;
|
||
nvlist_t *props;
|
||
|
||
if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
|
||
nomem();
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, ":o:x:dehMnuvFsAc")) != -1) {
|
||
switch (c) {
|
||
case 'o':
|
||
if (!parseprop(props, optarg)) {
|
||
nvlist_free(props);
|
||
usage(B_FALSE);
|
||
}
|
||
break;
|
||
case 'x':
|
||
if (!parsepropname(props, optarg)) {
|
||
nvlist_free(props);
|
||
usage(B_FALSE);
|
||
}
|
||
break;
|
||
case 'd':
|
||
if (flags.istail) {
|
||
(void) fprintf(stderr, gettext("invalid option "
|
||
"combination: -d and -e are mutually "
|
||
"exclusive\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
flags.isprefix = B_TRUE;
|
||
break;
|
||
case 'e':
|
||
if (flags.isprefix) {
|
||
(void) fprintf(stderr, gettext("invalid option "
|
||
"combination: -d and -e are mutually "
|
||
"exclusive\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
flags.istail = B_TRUE;
|
||
break;
|
||
case 'h':
|
||
flags.skipholds = B_TRUE;
|
||
break;
|
||
case 'M':
|
||
flags.forceunmount = B_TRUE;
|
||
break;
|
||
case 'n':
|
||
flags.dryrun = B_TRUE;
|
||
break;
|
||
case 'u':
|
||
flags.nomount = B_TRUE;
|
||
break;
|
||
case 'v':
|
||
flags.verbose = B_TRUE;
|
||
break;
|
||
case 's':
|
||
flags.resumable = B_TRUE;
|
||
break;
|
||
case 'F':
|
||
flags.force = B_TRUE;
|
||
break;
|
||
case 'A':
|
||
abort_resumable = B_TRUE;
|
||
break;
|
||
case 'c':
|
||
flags.heal = B_TRUE;
|
||
break;
|
||
case ':':
|
||
(void) fprintf(stderr, gettext("missing argument for "
|
||
"'%c' option\n"), optopt);
|
||
usage(B_FALSE);
|
||
break;
|
||
case '?':
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
/* zfs recv -e (use "tail" name) implies -d (remove dataset "head") */
|
||
if (flags.istail)
|
||
flags.isprefix = B_TRUE;
|
||
|
||
/* check number of arguments */
|
||
if (argc < 1) {
|
||
(void) fprintf(stderr, gettext("missing snapshot argument\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (argc > 1) {
|
||
(void) fprintf(stderr, gettext("too many arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
if (abort_resumable) {
|
||
if (flags.isprefix || flags.istail || flags.dryrun ||
|
||
flags.resumable || flags.nomount) {
|
||
(void) fprintf(stderr, gettext("invalid option\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
char namebuf[ZFS_MAX_DATASET_NAME_LEN];
|
||
(void) snprintf(namebuf, sizeof (namebuf),
|
||
"%s/%%recv", argv[0]);
|
||
|
||
if (zfs_dataset_exists(g_zfs, namebuf,
|
||
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME)) {
|
||
zfs_handle_t *zhp = zfs_open(g_zfs,
|
||
namebuf, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
|
||
if (zhp == NULL) {
|
||
nvlist_free(props);
|
||
return (1);
|
||
}
|
||
err = zfs_destroy(zhp, B_FALSE);
|
||
zfs_close(zhp);
|
||
} else {
|
||
zfs_handle_t *zhp = zfs_open(g_zfs,
|
||
argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
|
||
if (zhp == NULL)
|
||
usage(B_FALSE);
|
||
if (!zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) ||
|
||
zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN,
|
||
NULL, 0, NULL, NULL, 0, B_TRUE) == -1) {
|
||
(void) fprintf(stderr,
|
||
gettext("'%s' does not have any "
|
||
"resumable receive state to abort\n"),
|
||
argv[0]);
|
||
nvlist_free(props);
|
||
zfs_close(zhp);
|
||
return (1);
|
||
}
|
||
err = zfs_destroy(zhp, B_FALSE);
|
||
zfs_close(zhp);
|
||
}
|
||
nvlist_free(props);
|
||
return (err != 0);
|
||
}
|
||
|
||
if (isatty(STDIN_FILENO)) {
|
||
(void) fprintf(stderr,
|
||
gettext("Error: Backup stream can not be read "
|
||
"from a terminal.\n"
|
||
"You must redirect standard input.\n"));
|
||
nvlist_free(props);
|
||
return (1);
|
||
}
|
||
err = zfs_receive(g_zfs, argv[0], props, &flags, STDIN_FILENO, NULL);
|
||
nvlist_free(props);
|
||
|
||
return (err != 0);
|
||
}
|
||
|
||
/*
|
||
* allow/unallow stuff
|
||
*/
|
||
/* copied from zfs/sys/dsl_deleg.h */
|
||
#define ZFS_DELEG_PERM_CREATE "create"
|
||
#define ZFS_DELEG_PERM_DESTROY "destroy"
|
||
#define ZFS_DELEG_PERM_SNAPSHOT "snapshot"
|
||
#define ZFS_DELEG_PERM_ROLLBACK "rollback"
|
||
#define ZFS_DELEG_PERM_CLONE "clone"
|
||
#define ZFS_DELEG_PERM_PROMOTE "promote"
|
||
#define ZFS_DELEG_PERM_RENAME "rename"
|
||
#define ZFS_DELEG_PERM_MOUNT "mount"
|
||
#define ZFS_DELEG_PERM_SHARE "share"
|
||
#define ZFS_DELEG_PERM_SEND "send"
|
||
#define ZFS_DELEG_PERM_RECEIVE "receive"
|
||
#define ZFS_DELEG_PERM_ALLOW "allow"
|
||
#define ZFS_DELEG_PERM_USERPROP "userprop"
|
||
#define ZFS_DELEG_PERM_VSCAN "vscan" /* ??? */
|
||
#define ZFS_DELEG_PERM_USERQUOTA "userquota"
|
||
#define ZFS_DELEG_PERM_GROUPQUOTA "groupquota"
|
||
#define ZFS_DELEG_PERM_USERUSED "userused"
|
||
#define ZFS_DELEG_PERM_GROUPUSED "groupused"
|
||
#define ZFS_DELEG_PERM_USEROBJQUOTA "userobjquota"
|
||
#define ZFS_DELEG_PERM_GROUPOBJQUOTA "groupobjquota"
|
||
#define ZFS_DELEG_PERM_USEROBJUSED "userobjused"
|
||
#define ZFS_DELEG_PERM_GROUPOBJUSED "groupobjused"
|
||
|
||
#define ZFS_DELEG_PERM_HOLD "hold"
|
||
#define ZFS_DELEG_PERM_RELEASE "release"
|
||
#define ZFS_DELEG_PERM_DIFF "diff"
|
||
#define ZFS_DELEG_PERM_BOOKMARK "bookmark"
|
||
#define ZFS_DELEG_PERM_LOAD_KEY "load-key"
|
||
#define ZFS_DELEG_PERM_CHANGE_KEY "change-key"
|
||
|
||
#define ZFS_DELEG_PERM_PROJECTUSED "projectused"
|
||
#define ZFS_DELEG_PERM_PROJECTQUOTA "projectquota"
|
||
#define ZFS_DELEG_PERM_PROJECTOBJUSED "projectobjused"
|
||
#define ZFS_DELEG_PERM_PROJECTOBJQUOTA "projectobjquota"
|
||
|
||
#define ZFS_NUM_DELEG_NOTES ZFS_DELEG_NOTE_NONE
|
||
|
||
static zfs_deleg_perm_tab_t zfs_deleg_perm_tbl[] = {
|
||
{ ZFS_DELEG_PERM_ALLOW, ZFS_DELEG_NOTE_ALLOW },
|
||
{ ZFS_DELEG_PERM_CLONE, ZFS_DELEG_NOTE_CLONE },
|
||
{ ZFS_DELEG_PERM_CREATE, ZFS_DELEG_NOTE_CREATE },
|
||
{ ZFS_DELEG_PERM_DESTROY, ZFS_DELEG_NOTE_DESTROY },
|
||
{ ZFS_DELEG_PERM_DIFF, ZFS_DELEG_NOTE_DIFF},
|
||
{ ZFS_DELEG_PERM_HOLD, ZFS_DELEG_NOTE_HOLD },
|
||
{ ZFS_DELEG_PERM_MOUNT, ZFS_DELEG_NOTE_MOUNT },
|
||
{ ZFS_DELEG_PERM_PROMOTE, ZFS_DELEG_NOTE_PROMOTE },
|
||
{ ZFS_DELEG_PERM_RECEIVE, ZFS_DELEG_NOTE_RECEIVE },
|
||
{ ZFS_DELEG_PERM_RELEASE, ZFS_DELEG_NOTE_RELEASE },
|
||
{ ZFS_DELEG_PERM_RENAME, ZFS_DELEG_NOTE_RENAME },
|
||
{ ZFS_DELEG_PERM_ROLLBACK, ZFS_DELEG_NOTE_ROLLBACK },
|
||
{ ZFS_DELEG_PERM_SEND, ZFS_DELEG_NOTE_SEND },
|
||
{ ZFS_DELEG_PERM_SHARE, ZFS_DELEG_NOTE_SHARE },
|
||
{ ZFS_DELEG_PERM_SNAPSHOT, ZFS_DELEG_NOTE_SNAPSHOT },
|
||
{ ZFS_DELEG_PERM_BOOKMARK, ZFS_DELEG_NOTE_BOOKMARK },
|
||
{ ZFS_DELEG_PERM_LOAD_KEY, ZFS_DELEG_NOTE_LOAD_KEY },
|
||
{ ZFS_DELEG_PERM_CHANGE_KEY, ZFS_DELEG_NOTE_CHANGE_KEY },
|
||
|
||
{ ZFS_DELEG_PERM_GROUPQUOTA, ZFS_DELEG_NOTE_GROUPQUOTA },
|
||
{ ZFS_DELEG_PERM_GROUPUSED, ZFS_DELEG_NOTE_GROUPUSED },
|
||
{ ZFS_DELEG_PERM_USERPROP, ZFS_DELEG_NOTE_USERPROP },
|
||
{ ZFS_DELEG_PERM_USERQUOTA, ZFS_DELEG_NOTE_USERQUOTA },
|
||
{ ZFS_DELEG_PERM_USERUSED, ZFS_DELEG_NOTE_USERUSED },
|
||
{ ZFS_DELEG_PERM_USEROBJQUOTA, ZFS_DELEG_NOTE_USEROBJQUOTA },
|
||
{ ZFS_DELEG_PERM_USEROBJUSED, ZFS_DELEG_NOTE_USEROBJUSED },
|
||
{ ZFS_DELEG_PERM_GROUPOBJQUOTA, ZFS_DELEG_NOTE_GROUPOBJQUOTA },
|
||
{ ZFS_DELEG_PERM_GROUPOBJUSED, ZFS_DELEG_NOTE_GROUPOBJUSED },
|
||
{ ZFS_DELEG_PERM_PROJECTUSED, ZFS_DELEG_NOTE_PROJECTUSED },
|
||
{ ZFS_DELEG_PERM_PROJECTQUOTA, ZFS_DELEG_NOTE_PROJECTQUOTA },
|
||
{ ZFS_DELEG_PERM_PROJECTOBJUSED, ZFS_DELEG_NOTE_PROJECTOBJUSED },
|
||
{ ZFS_DELEG_PERM_PROJECTOBJQUOTA, ZFS_DELEG_NOTE_PROJECTOBJQUOTA },
|
||
{ NULL, ZFS_DELEG_NOTE_NONE }
|
||
};
|
||
|
||
/* permission structure */
|
||
typedef struct deleg_perm {
|
||
zfs_deleg_who_type_t dp_who_type;
|
||
const char *dp_name;
|
||
boolean_t dp_local;
|
||
boolean_t dp_descend;
|
||
} deleg_perm_t;
|
||
|
||
/* */
|
||
typedef struct deleg_perm_node {
|
||
deleg_perm_t dpn_perm;
|
||
|
||
uu_avl_node_t dpn_avl_node;
|
||
} deleg_perm_node_t;
|
||
|
||
typedef struct fs_perm fs_perm_t;
|
||
|
||
/* permissions set */
|
||
typedef struct who_perm {
|
||
zfs_deleg_who_type_t who_type;
|
||
const char *who_name; /* id */
|
||
char who_ug_name[256]; /* user/group name */
|
||
fs_perm_t *who_fsperm; /* uplink */
|
||
|
||
uu_avl_t *who_deleg_perm_avl; /* permissions */
|
||
} who_perm_t;
|
||
|
||
/* */
|
||
typedef struct who_perm_node {
|
||
who_perm_t who_perm;
|
||
uu_avl_node_t who_avl_node;
|
||
} who_perm_node_t;
|
||
|
||
typedef struct fs_perm_set fs_perm_set_t;
|
||
/* fs permissions */
|
||
struct fs_perm {
|
||
const char *fsp_name;
|
||
|
||
uu_avl_t *fsp_sc_avl; /* sets,create */
|
||
uu_avl_t *fsp_uge_avl; /* user,group,everyone */
|
||
|
||
fs_perm_set_t *fsp_set; /* uplink */
|
||
};
|
||
|
||
/* */
|
||
typedef struct fs_perm_node {
|
||
fs_perm_t fspn_fsperm;
|
||
uu_avl_t *fspn_avl;
|
||
|
||
uu_list_node_t fspn_list_node;
|
||
} fs_perm_node_t;
|
||
|
||
/* top level structure */
|
||
struct fs_perm_set {
|
||
uu_list_pool_t *fsps_list_pool;
|
||
uu_list_t *fsps_list; /* list of fs_perms */
|
||
|
||
uu_avl_pool_t *fsps_named_set_avl_pool;
|
||
uu_avl_pool_t *fsps_who_perm_avl_pool;
|
||
uu_avl_pool_t *fsps_deleg_perm_avl_pool;
|
||
};
|
||
|
||
static inline const char *
|
||
deleg_perm_type(zfs_deleg_note_t note)
|
||
{
|
||
/* subcommands */
|
||
switch (note) {
|
||
/* SUBCOMMANDS */
|
||
/* OTHER */
|
||
case ZFS_DELEG_NOTE_GROUPQUOTA:
|
||
case ZFS_DELEG_NOTE_GROUPUSED:
|
||
case ZFS_DELEG_NOTE_USERPROP:
|
||
case ZFS_DELEG_NOTE_USERQUOTA:
|
||
case ZFS_DELEG_NOTE_USERUSED:
|
||
case ZFS_DELEG_NOTE_USEROBJQUOTA:
|
||
case ZFS_DELEG_NOTE_USEROBJUSED:
|
||
case ZFS_DELEG_NOTE_GROUPOBJQUOTA:
|
||
case ZFS_DELEG_NOTE_GROUPOBJUSED:
|
||
case ZFS_DELEG_NOTE_PROJECTUSED:
|
||
case ZFS_DELEG_NOTE_PROJECTQUOTA:
|
||
case ZFS_DELEG_NOTE_PROJECTOBJUSED:
|
||
case ZFS_DELEG_NOTE_PROJECTOBJQUOTA:
|
||
/* other */
|
||
return (gettext("other"));
|
||
default:
|
||
return (gettext("subcommand"));
|
||
}
|
||
}
|
||
|
||
static int
|
||
who_type2weight(zfs_deleg_who_type_t who_type)
|
||
{
|
||
int res;
|
||
switch (who_type) {
|
||
case ZFS_DELEG_NAMED_SET_SETS:
|
||
case ZFS_DELEG_NAMED_SET:
|
||
res = 0;
|
||
break;
|
||
case ZFS_DELEG_CREATE_SETS:
|
||
case ZFS_DELEG_CREATE:
|
||
res = 1;
|
||
break;
|
||
case ZFS_DELEG_USER_SETS:
|
||
case ZFS_DELEG_USER:
|
||
res = 2;
|
||
break;
|
||
case ZFS_DELEG_GROUP_SETS:
|
||
case ZFS_DELEG_GROUP:
|
||
res = 3;
|
||
break;
|
||
case ZFS_DELEG_EVERYONE_SETS:
|
||
case ZFS_DELEG_EVERYONE:
|
||
res = 4;
|
||
break;
|
||
default:
|
||
res = -1;
|
||
}
|
||
|
||
return (res);
|
||
}
|
||
|
||
static int
|
||
who_perm_compare(const void *larg, const void *rarg, void *unused)
|
||
{
|
||
(void) unused;
|
||
const who_perm_node_t *l = larg;
|
||
const who_perm_node_t *r = rarg;
|
||
zfs_deleg_who_type_t ltype = l->who_perm.who_type;
|
||
zfs_deleg_who_type_t rtype = r->who_perm.who_type;
|
||
int lweight = who_type2weight(ltype);
|
||
int rweight = who_type2weight(rtype);
|
||
int res = lweight - rweight;
|
||
if (res == 0)
|
||
res = strncmp(l->who_perm.who_name, r->who_perm.who_name,
|
||
ZFS_MAX_DELEG_NAME-1);
|
||
|
||
if (res == 0)
|
||
return (0);
|
||
if (res > 0)
|
||
return (1);
|
||
else
|
||
return (-1);
|
||
}
|
||
|
||
static int
|
||
deleg_perm_compare(const void *larg, const void *rarg, void *unused)
|
||
{
|
||
(void) unused;
|
||
const deleg_perm_node_t *l = larg;
|
||
const deleg_perm_node_t *r = rarg;
|
||
int res = strncmp(l->dpn_perm.dp_name, r->dpn_perm.dp_name,
|
||
ZFS_MAX_DELEG_NAME-1);
|
||
|
||
if (res == 0)
|
||
return (0);
|
||
|
||
if (res > 0)
|
||
return (1);
|
||
else
|
||
return (-1);
|
||
}
|
||
|
||
static inline void
|
||
fs_perm_set_init(fs_perm_set_t *fspset)
|
||
{
|
||
memset(fspset, 0, sizeof (fs_perm_set_t));
|
||
|
||
if ((fspset->fsps_list_pool = uu_list_pool_create("fsps_list_pool",
|
||
sizeof (fs_perm_node_t), offsetof(fs_perm_node_t, fspn_list_node),
|
||
NULL, UU_DEFAULT)) == NULL)
|
||
nomem();
|
||
if ((fspset->fsps_list = uu_list_create(fspset->fsps_list_pool, NULL,
|
||
UU_DEFAULT)) == NULL)
|
||
nomem();
|
||
|
||
if ((fspset->fsps_named_set_avl_pool = uu_avl_pool_create(
|
||
"named_set_avl_pool", sizeof (who_perm_node_t), offsetof(
|
||
who_perm_node_t, who_avl_node), who_perm_compare,
|
||
UU_DEFAULT)) == NULL)
|
||
nomem();
|
||
|
||
if ((fspset->fsps_who_perm_avl_pool = uu_avl_pool_create(
|
||
"who_perm_avl_pool", sizeof (who_perm_node_t), offsetof(
|
||
who_perm_node_t, who_avl_node), who_perm_compare,
|
||
UU_DEFAULT)) == NULL)
|
||
nomem();
|
||
|
||
if ((fspset->fsps_deleg_perm_avl_pool = uu_avl_pool_create(
|
||
"deleg_perm_avl_pool", sizeof (deleg_perm_node_t), offsetof(
|
||
deleg_perm_node_t, dpn_avl_node), deleg_perm_compare, UU_DEFAULT))
|
||
== NULL)
|
||
nomem();
|
||
}
|
||
|
||
static inline void fs_perm_fini(fs_perm_t *);
|
||
static inline void who_perm_fini(who_perm_t *);
|
||
|
||
static inline void
|
||
fs_perm_set_fini(fs_perm_set_t *fspset)
|
||
{
|
||
fs_perm_node_t *node = uu_list_first(fspset->fsps_list);
|
||
|
||
while (node != NULL) {
|
||
fs_perm_node_t *next_node =
|
||
uu_list_next(fspset->fsps_list, node);
|
||
fs_perm_t *fsperm = &node->fspn_fsperm;
|
||
fs_perm_fini(fsperm);
|
||
uu_list_remove(fspset->fsps_list, node);
|
||
free(node);
|
||
node = next_node;
|
||
}
|
||
|
||
uu_avl_pool_destroy(fspset->fsps_named_set_avl_pool);
|
||
uu_avl_pool_destroy(fspset->fsps_who_perm_avl_pool);
|
||
uu_avl_pool_destroy(fspset->fsps_deleg_perm_avl_pool);
|
||
}
|
||
|
||
static inline void
|
||
deleg_perm_init(deleg_perm_t *deleg_perm, zfs_deleg_who_type_t type,
|
||
const char *name)
|
||
{
|
||
deleg_perm->dp_who_type = type;
|
||
deleg_perm->dp_name = name;
|
||
}
|
||
|
||
static inline void
|
||
who_perm_init(who_perm_t *who_perm, fs_perm_t *fsperm,
|
||
zfs_deleg_who_type_t type, const char *name)
|
||
{
|
||
uu_avl_pool_t *pool;
|
||
pool = fsperm->fsp_set->fsps_deleg_perm_avl_pool;
|
||
|
||
memset(who_perm, 0, sizeof (who_perm_t));
|
||
|
||
if ((who_perm->who_deleg_perm_avl = uu_avl_create(pool, NULL,
|
||
UU_DEFAULT)) == NULL)
|
||
nomem();
|
||
|
||
who_perm->who_type = type;
|
||
who_perm->who_name = name;
|
||
who_perm->who_fsperm = fsperm;
|
||
}
|
||
|
||
static inline void
|
||
who_perm_fini(who_perm_t *who_perm)
|
||
{
|
||
deleg_perm_node_t *node = uu_avl_first(who_perm->who_deleg_perm_avl);
|
||
|
||
while (node != NULL) {
|
||
deleg_perm_node_t *next_node =
|
||
uu_avl_next(who_perm->who_deleg_perm_avl, node);
|
||
|
||
uu_avl_remove(who_perm->who_deleg_perm_avl, node);
|
||
free(node);
|
||
node = next_node;
|
||
}
|
||
|
||
uu_avl_destroy(who_perm->who_deleg_perm_avl);
|
||
}
|
||
|
||
static inline void
|
||
fs_perm_init(fs_perm_t *fsperm, fs_perm_set_t *fspset, const char *fsname)
|
||
{
|
||
uu_avl_pool_t *nset_pool = fspset->fsps_named_set_avl_pool;
|
||
uu_avl_pool_t *who_pool = fspset->fsps_who_perm_avl_pool;
|
||
|
||
memset(fsperm, 0, sizeof (fs_perm_t));
|
||
|
||
if ((fsperm->fsp_sc_avl = uu_avl_create(nset_pool, NULL, UU_DEFAULT))
|
||
== NULL)
|
||
nomem();
|
||
|
||
if ((fsperm->fsp_uge_avl = uu_avl_create(who_pool, NULL, UU_DEFAULT))
|
||
== NULL)
|
||
nomem();
|
||
|
||
fsperm->fsp_set = fspset;
|
||
fsperm->fsp_name = fsname;
|
||
}
|
||
|
||
static inline void
|
||
fs_perm_fini(fs_perm_t *fsperm)
|
||
{
|
||
who_perm_node_t *node = uu_avl_first(fsperm->fsp_sc_avl);
|
||
while (node != NULL) {
|
||
who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_sc_avl,
|
||
node);
|
||
who_perm_t *who_perm = &node->who_perm;
|
||
who_perm_fini(who_perm);
|
||
uu_avl_remove(fsperm->fsp_sc_avl, node);
|
||
free(node);
|
||
node = next_node;
|
||
}
|
||
|
||
node = uu_avl_first(fsperm->fsp_uge_avl);
|
||
while (node != NULL) {
|
||
who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_uge_avl,
|
||
node);
|
||
who_perm_t *who_perm = &node->who_perm;
|
||
who_perm_fini(who_perm);
|
||
uu_avl_remove(fsperm->fsp_uge_avl, node);
|
||
free(node);
|
||
node = next_node;
|
||
}
|
||
|
||
uu_avl_destroy(fsperm->fsp_sc_avl);
|
||
uu_avl_destroy(fsperm->fsp_uge_avl);
|
||
}
|
||
|
||
static void
|
||
set_deleg_perm_node(uu_avl_t *avl, deleg_perm_node_t *node,
|
||
zfs_deleg_who_type_t who_type, const char *name, char locality)
|
||
{
|
||
uu_avl_index_t idx = 0;
|
||
|
||
deleg_perm_node_t *found_node = NULL;
|
||
deleg_perm_t *deleg_perm = &node->dpn_perm;
|
||
|
||
deleg_perm_init(deleg_perm, who_type, name);
|
||
|
||
if ((found_node = uu_avl_find(avl, node, NULL, &idx))
|
||
== NULL)
|
||
uu_avl_insert(avl, node, idx);
|
||
else {
|
||
node = found_node;
|
||
deleg_perm = &node->dpn_perm;
|
||
}
|
||
|
||
|
||
switch (locality) {
|
||
case ZFS_DELEG_LOCAL:
|
||
deleg_perm->dp_local = B_TRUE;
|
||
break;
|
||
case ZFS_DELEG_DESCENDENT:
|
||
deleg_perm->dp_descend = B_TRUE;
|
||
break;
|
||
case ZFS_DELEG_NA:
|
||
break;
|
||
default:
|
||
assert(B_FALSE); /* invalid locality */
|
||
}
|
||
}
|
||
|
||
static inline int
|
||
parse_who_perm(who_perm_t *who_perm, nvlist_t *nvl, char locality)
|
||
{
|
||
nvpair_t *nvp = NULL;
|
||
fs_perm_set_t *fspset = who_perm->who_fsperm->fsp_set;
|
||
uu_avl_t *avl = who_perm->who_deleg_perm_avl;
|
||
zfs_deleg_who_type_t who_type = who_perm->who_type;
|
||
|
||
while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
|
||
const char *name = nvpair_name(nvp);
|
||
data_type_t type = nvpair_type(nvp);
|
||
uu_avl_pool_t *avl_pool = fspset->fsps_deleg_perm_avl_pool;
|
||
deleg_perm_node_t *node =
|
||
safe_malloc(sizeof (deleg_perm_node_t));
|
||
|
||
VERIFY(type == DATA_TYPE_BOOLEAN);
|
||
|
||
uu_avl_node_init(node, &node->dpn_avl_node, avl_pool);
|
||
set_deleg_perm_node(avl, node, who_type, name, locality);
|
||
}
|
||
|
||
return (0);
|
||
}
|
||
|
||
static inline int
|
||
parse_fs_perm(fs_perm_t *fsperm, nvlist_t *nvl)
|
||
{
|
||
nvpair_t *nvp = NULL;
|
||
fs_perm_set_t *fspset = fsperm->fsp_set;
|
||
|
||
while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
|
||
nvlist_t *nvl2 = NULL;
|
||
const char *name = nvpair_name(nvp);
|
||
uu_avl_t *avl = NULL;
|
||
uu_avl_pool_t *avl_pool = NULL;
|
||
zfs_deleg_who_type_t perm_type = name[0];
|
||
char perm_locality = name[1];
|
||
const char *perm_name = name + 3;
|
||
who_perm_t *who_perm = NULL;
|
||
|
||
assert('$' == name[2]);
|
||
|
||
if (nvpair_value_nvlist(nvp, &nvl2) != 0)
|
||
return (-1);
|
||
|
||
switch (perm_type) {
|
||
case ZFS_DELEG_CREATE:
|
||
case ZFS_DELEG_CREATE_SETS:
|
||
case ZFS_DELEG_NAMED_SET:
|
||
case ZFS_DELEG_NAMED_SET_SETS:
|
||
avl_pool = fspset->fsps_named_set_avl_pool;
|
||
avl = fsperm->fsp_sc_avl;
|
||
break;
|
||
case ZFS_DELEG_USER:
|
||
case ZFS_DELEG_USER_SETS:
|
||
case ZFS_DELEG_GROUP:
|
||
case ZFS_DELEG_GROUP_SETS:
|
||
case ZFS_DELEG_EVERYONE:
|
||
case ZFS_DELEG_EVERYONE_SETS:
|
||
avl_pool = fspset->fsps_who_perm_avl_pool;
|
||
avl = fsperm->fsp_uge_avl;
|
||
break;
|
||
|
||
default:
|
||
assert(!"unhandled zfs_deleg_who_type_t");
|
||
}
|
||
|
||
who_perm_node_t *found_node = NULL;
|
||
who_perm_node_t *node = safe_malloc(
|
||
sizeof (who_perm_node_t));
|
||
who_perm = &node->who_perm;
|
||
uu_avl_index_t idx = 0;
|
||
|
||
uu_avl_node_init(node, &node->who_avl_node, avl_pool);
|
||
who_perm_init(who_perm, fsperm, perm_type, perm_name);
|
||
|
||
if ((found_node = uu_avl_find(avl, node, NULL, &idx))
|
||
== NULL) {
|
||
if (avl == fsperm->fsp_uge_avl) {
|
||
uid_t rid = 0;
|
||
struct passwd *p = NULL;
|
||
struct group *g = NULL;
|
||
const char *nice_name = NULL;
|
||
|
||
switch (perm_type) {
|
||
case ZFS_DELEG_USER_SETS:
|
||
case ZFS_DELEG_USER:
|
||
rid = atoi(perm_name);
|
||
p = getpwuid(rid);
|
||
if (p)
|
||
nice_name = p->pw_name;
|
||
break;
|
||
case ZFS_DELEG_GROUP_SETS:
|
||
case ZFS_DELEG_GROUP:
|
||
rid = atoi(perm_name);
|
||
g = getgrgid(rid);
|
||
if (g)
|
||
nice_name = g->gr_name;
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
|
||
if (nice_name != NULL) {
|
||
(void) strlcpy(
|
||
node->who_perm.who_ug_name,
|
||
nice_name, 256);
|
||
} else {
|
||
/* User or group unknown */
|
||
(void) snprintf(
|
||
node->who_perm.who_ug_name,
|
||
sizeof (node->who_perm.who_ug_name),
|
||
"(unknown: %d)", rid);
|
||
}
|
||
}
|
||
|
||
uu_avl_insert(avl, node, idx);
|
||
} else {
|
||
node = found_node;
|
||
who_perm = &node->who_perm;
|
||
}
|
||
|
||
assert(who_perm != NULL);
|
||
(void) parse_who_perm(who_perm, nvl2, perm_locality);
|
||
}
|
||
|
||
return (0);
|
||
}
|
||
|
||
static inline int
|
||
parse_fs_perm_set(fs_perm_set_t *fspset, nvlist_t *nvl)
|
||
{
|
||
nvpair_t *nvp = NULL;
|
||
uu_avl_index_t idx = 0;
|
||
|
||
while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
|
||
nvlist_t *nvl2 = NULL;
|
||
const char *fsname = nvpair_name(nvp);
|
||
data_type_t type = nvpair_type(nvp);
|
||
fs_perm_t *fsperm = NULL;
|
||
fs_perm_node_t *node = safe_malloc(sizeof (fs_perm_node_t));
|
||
|
||
fsperm = &node->fspn_fsperm;
|
||
|
||
VERIFY(DATA_TYPE_NVLIST == type);
|
||
|
||
uu_list_node_init(node, &node->fspn_list_node,
|
||
fspset->fsps_list_pool);
|
||
|
||
idx = uu_list_numnodes(fspset->fsps_list);
|
||
fs_perm_init(fsperm, fspset, fsname);
|
||
|
||
if (nvpair_value_nvlist(nvp, &nvl2) != 0)
|
||
return (-1);
|
||
|
||
(void) parse_fs_perm(fsperm, nvl2);
|
||
|
||
uu_list_insert(fspset->fsps_list, node, idx);
|
||
}
|
||
|
||
return (0);
|
||
}
|
||
|
||
static inline const char *
|
||
deleg_perm_comment(zfs_deleg_note_t note)
|
||
{
|
||
const char *str = "";
|
||
|
||
/* subcommands */
|
||
switch (note) {
|
||
/* SUBCOMMANDS */
|
||
case ZFS_DELEG_NOTE_ALLOW:
|
||
str = gettext("Must also have the permission that is being"
|
||
"\n\t\t\t\tallowed");
|
||
break;
|
||
case ZFS_DELEG_NOTE_CLONE:
|
||
str = gettext("Must also have the 'create' ability and 'mount'"
|
||
"\n\t\t\t\tability in the origin file system");
|
||
break;
|
||
case ZFS_DELEG_NOTE_CREATE:
|
||
str = gettext("Must also have the 'mount' ability");
|
||
break;
|
||
case ZFS_DELEG_NOTE_DESTROY:
|
||
str = gettext("Must also have the 'mount' ability");
|
||
break;
|
||
case ZFS_DELEG_NOTE_DIFF:
|
||
str = gettext("Allows lookup of paths within a dataset;"
|
||
"\n\t\t\t\tgiven an object number. Ordinary users need this"
|
||
"\n\t\t\t\tin order to use zfs diff");
|
||
break;
|
||
case ZFS_DELEG_NOTE_HOLD:
|
||
str = gettext("Allows adding a user hold to a snapshot");
|
||
break;
|
||
case ZFS_DELEG_NOTE_MOUNT:
|
||
str = gettext("Allows mount/umount of ZFS datasets");
|
||
break;
|
||
case ZFS_DELEG_NOTE_PROMOTE:
|
||
str = gettext("Must also have the 'mount'\n\t\t\t\tand"
|
||
" 'promote' ability in the origin file system");
|
||
break;
|
||
case ZFS_DELEG_NOTE_RECEIVE:
|
||
str = gettext("Must also have the 'mount' and 'create'"
|
||
" ability");
|
||
break;
|
||
case ZFS_DELEG_NOTE_RELEASE:
|
||
str = gettext("Allows releasing a user hold which\n\t\t\t\t"
|
||
"might destroy the snapshot");
|
||
break;
|
||
case ZFS_DELEG_NOTE_RENAME:
|
||
str = gettext("Must also have the 'mount' and 'create'"
|
||
"\n\t\t\t\tability in the new parent");
|
||
break;
|
||
case ZFS_DELEG_NOTE_ROLLBACK:
|
||
str = gettext("");
|
||
break;
|
||
case ZFS_DELEG_NOTE_SEND:
|
||
str = gettext("");
|
||
break;
|
||
case ZFS_DELEG_NOTE_SHARE:
|
||
str = gettext("Allows sharing file systems over NFS or SMB"
|
||
"\n\t\t\t\tprotocols");
|
||
break;
|
||
case ZFS_DELEG_NOTE_SNAPSHOT:
|
||
str = gettext("");
|
||
break;
|
||
case ZFS_DELEG_NOTE_LOAD_KEY:
|
||
str = gettext("Allows loading or unloading an encryption key");
|
||
break;
|
||
case ZFS_DELEG_NOTE_CHANGE_KEY:
|
||
str = gettext("Allows changing or adding an encryption key");
|
||
break;
|
||
/*
|
||
* case ZFS_DELEG_NOTE_VSCAN:
|
||
* str = gettext("");
|
||
* break;
|
||
*/
|
||
/* OTHER */
|
||
case ZFS_DELEG_NOTE_GROUPQUOTA:
|
||
str = gettext("Allows accessing any groupquota@... property");
|
||
break;
|
||
case ZFS_DELEG_NOTE_GROUPUSED:
|
||
str = gettext("Allows reading any groupused@... property");
|
||
break;
|
||
case ZFS_DELEG_NOTE_USERPROP:
|
||
str = gettext("Allows changing any user property");
|
||
break;
|
||
case ZFS_DELEG_NOTE_USERQUOTA:
|
||
str = gettext("Allows accessing any userquota@... property");
|
||
break;
|
||
case ZFS_DELEG_NOTE_USERUSED:
|
||
str = gettext("Allows reading any userused@... property");
|
||
break;
|
||
case ZFS_DELEG_NOTE_USEROBJQUOTA:
|
||
str = gettext("Allows accessing any userobjquota@... property");
|
||
break;
|
||
case ZFS_DELEG_NOTE_GROUPOBJQUOTA:
|
||
str = gettext("Allows accessing any \n\t\t\t\t"
|
||
"groupobjquota@... property");
|
||
break;
|
||
case ZFS_DELEG_NOTE_GROUPOBJUSED:
|
||
str = gettext("Allows reading any groupobjused@... property");
|
||
break;
|
||
case ZFS_DELEG_NOTE_USEROBJUSED:
|
||
str = gettext("Allows reading any userobjused@... property");
|
||
break;
|
||
case ZFS_DELEG_NOTE_PROJECTQUOTA:
|
||
str = gettext("Allows accessing any projectquota@... property");
|
||
break;
|
||
case ZFS_DELEG_NOTE_PROJECTOBJQUOTA:
|
||
str = gettext("Allows accessing any \n\t\t\t\t"
|
||
"projectobjquota@... property");
|
||
break;
|
||
case ZFS_DELEG_NOTE_PROJECTUSED:
|
||
str = gettext("Allows reading any projectused@... property");
|
||
break;
|
||
case ZFS_DELEG_NOTE_PROJECTOBJUSED:
|
||
str = gettext("Allows accessing any \n\t\t\t\t"
|
||
"projectobjused@... property");
|
||
break;
|
||
/* other */
|
||
default:
|
||
str = "";
|
||
}
|
||
|
||
return (str);
|
||
}
|
||
|
||
struct allow_opts {
|
||
boolean_t local;
|
||
boolean_t descend;
|
||
boolean_t user;
|
||
boolean_t group;
|
||
boolean_t everyone;
|
||
boolean_t create;
|
||
boolean_t set;
|
||
boolean_t recursive; /* unallow only */
|
||
boolean_t prt_usage;
|
||
|
||
boolean_t prt_perms;
|
||
char *who;
|
||
char *perms;
|
||
const char *dataset;
|
||
};
|
||
|
||
static inline int
|
||
prop_cmp(const void *a, const void *b)
|
||
{
|
||
const char *str1 = *(const char **)a;
|
||
const char *str2 = *(const char **)b;
|
||
return (strcmp(str1, str2));
|
||
}
|
||
|
||
static void
|
||
allow_usage(boolean_t un, boolean_t requested, const char *msg)
|
||
{
|
||
const char *opt_desc[] = {
|
||
"-h", gettext("show this help message and exit"),
|
||
"-l", gettext("set permission locally"),
|
||
"-d", gettext("set permission for descents"),
|
||
"-u", gettext("set permission for user"),
|
||
"-g", gettext("set permission for group"),
|
||
"-e", gettext("set permission for everyone"),
|
||
"-c", gettext("set create time permission"),
|
||
"-s", gettext("define permission set"),
|
||
/* unallow only */
|
||
"-r", gettext("remove permissions recursively"),
|
||
};
|
||
size_t unallow_size = sizeof (opt_desc) / sizeof (char *);
|
||
size_t allow_size = unallow_size - 2;
|
||
const char *props[ZFS_NUM_PROPS];
|
||
int i;
|
||
size_t count = 0;
|
||
FILE *fp = requested ? stdout : stderr;
|
||
zprop_desc_t *pdtbl = zfs_prop_get_table();
|
||
const char *fmt = gettext("%-16s %-14s\t%s\n");
|
||
|
||
(void) fprintf(fp, gettext("Usage: %s\n"), get_usage(un ? HELP_UNALLOW :
|
||
HELP_ALLOW));
|
||
(void) fprintf(fp, gettext("Options:\n"));
|
||
for (i = 0; i < (un ? unallow_size : allow_size); i += 2) {
|
||
const char *opt = opt_desc[i];
|
||
const char *optdsc = opt_desc[i + 1];
|
||
(void) fprintf(fp, gettext(" %-10s %s\n"), opt, optdsc);
|
||
}
|
||
|
||
(void) fprintf(fp, gettext("\nThe following permissions are "
|
||
"supported:\n\n"));
|
||
(void) fprintf(fp, fmt, gettext("NAME"), gettext("TYPE"),
|
||
gettext("NOTES"));
|
||
for (i = 0; i < ZFS_NUM_DELEG_NOTES; i++) {
|
||
const char *perm_name = zfs_deleg_perm_tbl[i].z_perm;
|
||
zfs_deleg_note_t perm_note = zfs_deleg_perm_tbl[i].z_note;
|
||
const char *perm_type = deleg_perm_type(perm_note);
|
||
const char *perm_comment = deleg_perm_comment(perm_note);
|
||
(void) fprintf(fp, fmt, perm_name, perm_type, perm_comment);
|
||
}
|
||
|
||
for (i = 0; i < ZFS_NUM_PROPS; i++) {
|
||
zprop_desc_t *pd = &pdtbl[i];
|
||
if (pd->pd_visible != B_TRUE)
|
||
continue;
|
||
|
||
if (pd->pd_attr == PROP_READONLY)
|
||
continue;
|
||
|
||
props[count++] = pd->pd_name;
|
||
}
|
||
props[count] = NULL;
|
||
|
||
qsort(props, count, sizeof (char *), prop_cmp);
|
||
|
||
for (i = 0; i < count; i++)
|
||
(void) fprintf(fp, fmt, props[i], gettext("property"), "");
|
||
|
||
if (msg != NULL)
|
||
(void) fprintf(fp, gettext("\nzfs: error: %s"), msg);
|
||
|
||
exit(requested ? 0 : 2);
|
||
}
|
||
|
||
static inline const char *
|
||
munge_args(int argc, char **argv, boolean_t un, size_t expected_argc,
|
||
char **permsp)
|
||
{
|
||
if (un && argc == expected_argc - 1)
|
||
*permsp = NULL;
|
||
else if (argc == expected_argc)
|
||
*permsp = argv[argc - 2];
|
||
else
|
||
allow_usage(un, B_FALSE,
|
||
gettext("wrong number of parameters\n"));
|
||
|
||
return (argv[argc - 1]);
|
||
}
|
||
|
||
static void
|
||
parse_allow_args(int argc, char **argv, boolean_t un, struct allow_opts *opts)
|
||
{
|
||
int uge_sum = opts->user + opts->group + opts->everyone;
|
||
int csuge_sum = opts->create + opts->set + uge_sum;
|
||
int ldcsuge_sum = csuge_sum + opts->local + opts->descend;
|
||
int all_sum = un ? ldcsuge_sum + opts->recursive : ldcsuge_sum;
|
||
|
||
if (uge_sum > 1)
|
||
allow_usage(un, B_FALSE,
|
||
gettext("-u, -g, and -e are mutually exclusive\n"));
|
||
|
||
if (opts->prt_usage) {
|
||
if (argc == 0 && all_sum == 0)
|
||
allow_usage(un, B_TRUE, NULL);
|
||
else
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
if (opts->set) {
|
||
if (csuge_sum > 1)
|
||
allow_usage(un, B_FALSE,
|
||
gettext("invalid options combined with -s\n"));
|
||
|
||
opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
|
||
if (argv[0][0] != '@')
|
||
allow_usage(un, B_FALSE,
|
||
gettext("invalid set name: missing '@' prefix\n"));
|
||
opts->who = argv[0];
|
||
} else if (opts->create) {
|
||
if (ldcsuge_sum > 1)
|
||
allow_usage(un, B_FALSE,
|
||
gettext("invalid options combined with -c\n"));
|
||
opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
|
||
} else if (opts->everyone) {
|
||
if (csuge_sum > 1)
|
||
allow_usage(un, B_FALSE,
|
||
gettext("invalid options combined with -e\n"));
|
||
opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
|
||
} else if (uge_sum == 0 && argc > 0 && strcmp(argv[0], "everyone")
|
||
== 0) {
|
||
opts->everyone = B_TRUE;
|
||
argc--;
|
||
argv++;
|
||
opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
|
||
} else if (argc == 1 && !un) {
|
||
opts->prt_perms = B_TRUE;
|
||
opts->dataset = argv[argc-1];
|
||
} else {
|
||
opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
|
||
opts->who = argv[0];
|
||
}
|
||
|
||
if (!opts->local && !opts->descend) {
|
||
opts->local = B_TRUE;
|
||
opts->descend = B_TRUE;
|
||
}
|
||
}
|
||
|
||
static void
|
||
store_allow_perm(zfs_deleg_who_type_t type, boolean_t local, boolean_t descend,
|
||
const char *who, char *perms, nvlist_t *top_nvl)
|
||
{
|
||
int i;
|
||
char ld[2] = { '\0', '\0' };
|
||
char who_buf[MAXNAMELEN + 32];
|
||
char base_type = '\0';
|
||
char set_type = '\0';
|
||
nvlist_t *base_nvl = NULL;
|
||
nvlist_t *set_nvl = NULL;
|
||
nvlist_t *nvl;
|
||
|
||
if (nvlist_alloc(&base_nvl, NV_UNIQUE_NAME, 0) != 0)
|
||
nomem();
|
||
if (nvlist_alloc(&set_nvl, NV_UNIQUE_NAME, 0) != 0)
|
||
nomem();
|
||
|
||
switch (type) {
|
||
case ZFS_DELEG_NAMED_SET_SETS:
|
||
case ZFS_DELEG_NAMED_SET:
|
||
set_type = ZFS_DELEG_NAMED_SET_SETS;
|
||
base_type = ZFS_DELEG_NAMED_SET;
|
||
ld[0] = ZFS_DELEG_NA;
|
||
break;
|
||
case ZFS_DELEG_CREATE_SETS:
|
||
case ZFS_DELEG_CREATE:
|
||
set_type = ZFS_DELEG_CREATE_SETS;
|
||
base_type = ZFS_DELEG_CREATE;
|
||
ld[0] = ZFS_DELEG_NA;
|
||
break;
|
||
case ZFS_DELEG_USER_SETS:
|
||
case ZFS_DELEG_USER:
|
||
set_type = ZFS_DELEG_USER_SETS;
|
||
base_type = ZFS_DELEG_USER;
|
||
if (local)
|
||
ld[0] = ZFS_DELEG_LOCAL;
|
||
if (descend)
|
||
ld[1] = ZFS_DELEG_DESCENDENT;
|
||
break;
|
||
case ZFS_DELEG_GROUP_SETS:
|
||
case ZFS_DELEG_GROUP:
|
||
set_type = ZFS_DELEG_GROUP_SETS;
|
||
base_type = ZFS_DELEG_GROUP;
|
||
if (local)
|
||
ld[0] = ZFS_DELEG_LOCAL;
|
||
if (descend)
|
||
ld[1] = ZFS_DELEG_DESCENDENT;
|
||
break;
|
||
case ZFS_DELEG_EVERYONE_SETS:
|
||
case ZFS_DELEG_EVERYONE:
|
||
set_type = ZFS_DELEG_EVERYONE_SETS;
|
||
base_type = ZFS_DELEG_EVERYONE;
|
||
if (local)
|
||
ld[0] = ZFS_DELEG_LOCAL;
|
||
if (descend)
|
||
ld[1] = ZFS_DELEG_DESCENDENT;
|
||
break;
|
||
|
||
default:
|
||
assert(set_type != '\0' && base_type != '\0');
|
||
}
|
||
|
||
if (perms != NULL) {
|
||
char *curr = perms;
|
||
char *end = curr + strlen(perms);
|
||
|
||
while (curr < end) {
|
||
char *delim = strchr(curr, ',');
|
||
if (delim == NULL)
|
||
delim = end;
|
||
else
|
||
*delim = '\0';
|
||
|
||
if (curr[0] == '@')
|
||
nvl = set_nvl;
|
||
else
|
||
nvl = base_nvl;
|
||
|
||
(void) nvlist_add_boolean(nvl, curr);
|
||
if (delim != end)
|
||
*delim = ',';
|
||
curr = delim + 1;
|
||
}
|
||
|
||
for (i = 0; i < 2; i++) {
|
||
char locality = ld[i];
|
||
if (locality == 0)
|
||
continue;
|
||
|
||
if (!nvlist_empty(base_nvl)) {
|
||
if (who != NULL)
|
||
(void) snprintf(who_buf,
|
||
sizeof (who_buf), "%c%c$%s",
|
||
base_type, locality, who);
|
||
else
|
||
(void) snprintf(who_buf,
|
||
sizeof (who_buf), "%c%c$",
|
||
base_type, locality);
|
||
|
||
(void) nvlist_add_nvlist(top_nvl, who_buf,
|
||
base_nvl);
|
||
}
|
||
|
||
|
||
if (!nvlist_empty(set_nvl)) {
|
||
if (who != NULL)
|
||
(void) snprintf(who_buf,
|
||
sizeof (who_buf), "%c%c$%s",
|
||
set_type, locality, who);
|
||
else
|
||
(void) snprintf(who_buf,
|
||
sizeof (who_buf), "%c%c$",
|
||
set_type, locality);
|
||
|
||
(void) nvlist_add_nvlist(top_nvl, who_buf,
|
||
set_nvl);
|
||
}
|
||
}
|
||
} else {
|
||
for (i = 0; i < 2; i++) {
|
||
char locality = ld[i];
|
||
if (locality == 0)
|
||
continue;
|
||
|
||
if (who != NULL)
|
||
(void) snprintf(who_buf, sizeof (who_buf),
|
||
"%c%c$%s", base_type, locality, who);
|
||
else
|
||
(void) snprintf(who_buf, sizeof (who_buf),
|
||
"%c%c$", base_type, locality);
|
||
(void) nvlist_add_boolean(top_nvl, who_buf);
|
||
|
||
if (who != NULL)
|
||
(void) snprintf(who_buf, sizeof (who_buf),
|
||
"%c%c$%s", set_type, locality, who);
|
||
else
|
||
(void) snprintf(who_buf, sizeof (who_buf),
|
||
"%c%c$", set_type, locality);
|
||
(void) nvlist_add_boolean(top_nvl, who_buf);
|
||
}
|
||
}
|
||
}
|
||
|
||
static int
|
||
construct_fsacl_list(boolean_t un, struct allow_opts *opts, nvlist_t **nvlp)
|
||
{
|
||
if (nvlist_alloc(nvlp, NV_UNIQUE_NAME, 0) != 0)
|
||
nomem();
|
||
|
||
if (opts->set) {
|
||
store_allow_perm(ZFS_DELEG_NAMED_SET, opts->local,
|
||
opts->descend, opts->who, opts->perms, *nvlp);
|
||
} else if (opts->create) {
|
||
store_allow_perm(ZFS_DELEG_CREATE, opts->local,
|
||
opts->descend, NULL, opts->perms, *nvlp);
|
||
} else if (opts->everyone) {
|
||
store_allow_perm(ZFS_DELEG_EVERYONE, opts->local,
|
||
opts->descend, NULL, opts->perms, *nvlp);
|
||
} else {
|
||
char *curr = opts->who;
|
||
char *end = curr + strlen(curr);
|
||
|
||
while (curr < end) {
|
||
const char *who;
|
||
zfs_deleg_who_type_t who_type = ZFS_DELEG_WHO_UNKNOWN;
|
||
char *endch;
|
||
char *delim = strchr(curr, ',');
|
||
char errbuf[256];
|
||
char id[64];
|
||
struct passwd *p = NULL;
|
||
struct group *g = NULL;
|
||
|
||
uid_t rid;
|
||
if (delim == NULL)
|
||
delim = end;
|
||
else
|
||
*delim = '\0';
|
||
|
||
rid = (uid_t)strtol(curr, &endch, 0);
|
||
if (opts->user) {
|
||
who_type = ZFS_DELEG_USER;
|
||
if (*endch != '\0')
|
||
p = getpwnam(curr);
|
||
else
|
||
p = getpwuid(rid);
|
||
|
||
if (p != NULL)
|
||
rid = p->pw_uid;
|
||
else if (*endch != '\0') {
|
||
(void) snprintf(errbuf, sizeof (errbuf),
|
||
gettext("invalid user %s\n"), curr);
|
||
allow_usage(un, B_TRUE, errbuf);
|
||
}
|
||
} else if (opts->group) {
|
||
who_type = ZFS_DELEG_GROUP;
|
||
if (*endch != '\0')
|
||
g = getgrnam(curr);
|
||
else
|
||
g = getgrgid(rid);
|
||
|
||
if (g != NULL)
|
||
rid = g->gr_gid;
|
||
else if (*endch != '\0') {
|
||
(void) snprintf(errbuf, sizeof (errbuf),
|
||
gettext("invalid group %s\n"),
|
||
curr);
|
||
allow_usage(un, B_TRUE, errbuf);
|
||
}
|
||
} else {
|
||
if (*endch != '\0') {
|
||
p = getpwnam(curr);
|
||
} else {
|
||
p = getpwuid(rid);
|
||
}
|
||
|
||
if (p == NULL) {
|
||
if (*endch != '\0') {
|
||
g = getgrnam(curr);
|
||
} else {
|
||
g = getgrgid(rid);
|
||
}
|
||
}
|
||
|
||
if (p != NULL) {
|
||
who_type = ZFS_DELEG_USER;
|
||
rid = p->pw_uid;
|
||
} else if (g != NULL) {
|
||
who_type = ZFS_DELEG_GROUP;
|
||
rid = g->gr_gid;
|
||
} else {
|
||
(void) snprintf(errbuf, sizeof (errbuf),
|
||
gettext("invalid user/group %s\n"),
|
||
curr);
|
||
allow_usage(un, B_TRUE, errbuf);
|
||
}
|
||
}
|
||
|
||
(void) sprintf(id, "%u", rid);
|
||
who = id;
|
||
|
||
store_allow_perm(who_type, opts->local,
|
||
opts->descend, who, opts->perms, *nvlp);
|
||
curr = delim + 1;
|
||
}
|
||
}
|
||
|
||
return (0);
|
||
}
|
||
|
||
static void
|
||
print_set_creat_perms(uu_avl_t *who_avl)
|
||
{
|
||
const char *sc_title[] = {
|
||
gettext("Permission sets:\n"),
|
||
gettext("Create time permissions:\n"),
|
||
NULL
|
||
};
|
||
who_perm_node_t *who_node = NULL;
|
||
int prev_weight = -1;
|
||
|
||
for (who_node = uu_avl_first(who_avl); who_node != NULL;
|
||
who_node = uu_avl_next(who_avl, who_node)) {
|
||
uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
|
||
zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
|
||
const char *who_name = who_node->who_perm.who_name;
|
||
int weight = who_type2weight(who_type);
|
||
boolean_t first = B_TRUE;
|
||
deleg_perm_node_t *deleg_node;
|
||
|
||
if (prev_weight != weight) {
|
||
(void) printf("%s", sc_title[weight]);
|
||
prev_weight = weight;
|
||
}
|
||
|
||
if (who_name == NULL || strnlen(who_name, 1) == 0)
|
||
(void) printf("\t");
|
||
else
|
||
(void) printf("\t%s ", who_name);
|
||
|
||
for (deleg_node = uu_avl_first(avl); deleg_node != NULL;
|
||
deleg_node = uu_avl_next(avl, deleg_node)) {
|
||
if (first) {
|
||
(void) printf("%s",
|
||
deleg_node->dpn_perm.dp_name);
|
||
first = B_FALSE;
|
||
} else
|
||
(void) printf(",%s",
|
||
deleg_node->dpn_perm.dp_name);
|
||
}
|
||
|
||
(void) printf("\n");
|
||
}
|
||
}
|
||
|
||
static void
|
||
print_uge_deleg_perms(uu_avl_t *who_avl, boolean_t local, boolean_t descend,
|
||
const char *title)
|
||
{
|
||
who_perm_node_t *who_node = NULL;
|
||
boolean_t prt_title = B_TRUE;
|
||
uu_avl_walk_t *walk;
|
||
|
||
if ((walk = uu_avl_walk_start(who_avl, UU_WALK_ROBUST)) == NULL)
|
||
nomem();
|
||
|
||
while ((who_node = uu_avl_walk_next(walk)) != NULL) {
|
||
const char *who_name = who_node->who_perm.who_name;
|
||
const char *nice_who_name = who_node->who_perm.who_ug_name;
|
||
uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
|
||
zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
|
||
char delim = ' ';
|
||
deleg_perm_node_t *deleg_node;
|
||
boolean_t prt_who = B_TRUE;
|
||
|
||
for (deleg_node = uu_avl_first(avl);
|
||
deleg_node != NULL;
|
||
deleg_node = uu_avl_next(avl, deleg_node)) {
|
||
if (local != deleg_node->dpn_perm.dp_local ||
|
||
descend != deleg_node->dpn_perm.dp_descend)
|
||
continue;
|
||
|
||
if (prt_who) {
|
||
const char *who = NULL;
|
||
if (prt_title) {
|
||
prt_title = B_FALSE;
|
||
(void) printf("%s", title);
|
||
}
|
||
|
||
switch (who_type) {
|
||
case ZFS_DELEG_USER_SETS:
|
||
case ZFS_DELEG_USER:
|
||
who = gettext("user");
|
||
if (nice_who_name)
|
||
who_name = nice_who_name;
|
||
break;
|
||
case ZFS_DELEG_GROUP_SETS:
|
||
case ZFS_DELEG_GROUP:
|
||
who = gettext("group");
|
||
if (nice_who_name)
|
||
who_name = nice_who_name;
|
||
break;
|
||
case ZFS_DELEG_EVERYONE_SETS:
|
||
case ZFS_DELEG_EVERYONE:
|
||
who = gettext("everyone");
|
||
who_name = NULL;
|
||
break;
|
||
|
||
default:
|
||
assert(who != NULL);
|
||
}
|
||
|
||
prt_who = B_FALSE;
|
||
if (who_name == NULL)
|
||
(void) printf("\t%s", who);
|
||
else
|
||
(void) printf("\t%s %s", who, who_name);
|
||
}
|
||
|
||
(void) printf("%c%s", delim,
|
||
deleg_node->dpn_perm.dp_name);
|
||
delim = ',';
|
||
}
|
||
|
||
if (!prt_who)
|
||
(void) printf("\n");
|
||
}
|
||
|
||
uu_avl_walk_end(walk);
|
||
}
|
||
|
||
static void
|
||
print_fs_perms(fs_perm_set_t *fspset)
|
||
{
|
||
fs_perm_node_t *node = NULL;
|
||
char buf[MAXNAMELEN + 32];
|
||
const char *dsname = buf;
|
||
|
||
for (node = uu_list_first(fspset->fsps_list); node != NULL;
|
||
node = uu_list_next(fspset->fsps_list, node)) {
|
||
uu_avl_t *sc_avl = node->fspn_fsperm.fsp_sc_avl;
|
||
uu_avl_t *uge_avl = node->fspn_fsperm.fsp_uge_avl;
|
||
int left = 0;
|
||
|
||
(void) snprintf(buf, sizeof (buf),
|
||
gettext("---- Permissions on %s "),
|
||
node->fspn_fsperm.fsp_name);
|
||
(void) printf("%s", dsname);
|
||
left = 70 - strlen(buf);
|
||
while (left-- > 0)
|
||
(void) printf("-");
|
||
(void) printf("\n");
|
||
|
||
print_set_creat_perms(sc_avl);
|
||
print_uge_deleg_perms(uge_avl, B_TRUE, B_FALSE,
|
||
gettext("Local permissions:\n"));
|
||
print_uge_deleg_perms(uge_avl, B_FALSE, B_TRUE,
|
||
gettext("Descendent permissions:\n"));
|
||
print_uge_deleg_perms(uge_avl, B_TRUE, B_TRUE,
|
||
gettext("Local+Descendent permissions:\n"));
|
||
}
|
||
}
|
||
|
||
static fs_perm_set_t fs_perm_set = { NULL, NULL, NULL, NULL };
|
||
|
||
struct deleg_perms {
|
||
boolean_t un;
|
||
nvlist_t *nvl;
|
||
};
|
||
|
||
static int
|
||
set_deleg_perms(zfs_handle_t *zhp, void *data)
|
||
{
|
||
struct deleg_perms *perms = (struct deleg_perms *)data;
|
||
zfs_type_t zfs_type = zfs_get_type(zhp);
|
||
|
||
if (zfs_type != ZFS_TYPE_FILESYSTEM && zfs_type != ZFS_TYPE_VOLUME)
|
||
return (0);
|
||
|
||
return (zfs_set_fsacl(zhp, perms->un, perms->nvl));
|
||
}
|
||
|
||
static int
|
||
zfs_do_allow_unallow_impl(int argc, char **argv, boolean_t un)
|
||
{
|
||
zfs_handle_t *zhp;
|
||
nvlist_t *perm_nvl = NULL;
|
||
nvlist_t *update_perm_nvl = NULL;
|
||
int error = 1;
|
||
int c;
|
||
struct allow_opts opts = { 0 };
|
||
|
||
const char *optstr = un ? "ldugecsrh" : "ldugecsh";
|
||
|
||
/* check opts */
|
||
while ((c = getopt(argc, argv, optstr)) != -1) {
|
||
switch (c) {
|
||
case 'l':
|
||
opts.local = B_TRUE;
|
||
break;
|
||
case 'd':
|
||
opts.descend = B_TRUE;
|
||
break;
|
||
case 'u':
|
||
opts.user = B_TRUE;
|
||
break;
|
||
case 'g':
|
||
opts.group = B_TRUE;
|
||
break;
|
||
case 'e':
|
||
opts.everyone = B_TRUE;
|
||
break;
|
||
case 's':
|
||
opts.set = B_TRUE;
|
||
break;
|
||
case 'c':
|
||
opts.create = B_TRUE;
|
||
break;
|
||
case 'r':
|
||
opts.recursive = B_TRUE;
|
||
break;
|
||
case ':':
|
||
(void) fprintf(stderr, gettext("missing argument for "
|
||
"'%c' option\n"), optopt);
|
||
usage(B_FALSE);
|
||
break;
|
||
case 'h':
|
||
opts.prt_usage = B_TRUE;
|
||
break;
|
||
case '?':
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
/* check arguments */
|
||
parse_allow_args(argc, argv, un, &opts);
|
||
|
||
/* try to open the dataset */
|
||
if ((zhp = zfs_open(g_zfs, opts.dataset, ZFS_TYPE_FILESYSTEM |
|
||
ZFS_TYPE_VOLUME)) == NULL) {
|
||
(void) fprintf(stderr, "Failed to open dataset: %s\n",
|
||
opts.dataset);
|
||
return (-1);
|
||
}
|
||
|
||
if (zfs_get_fsacl(zhp, &perm_nvl) != 0)
|
||
goto cleanup2;
|
||
|
||
fs_perm_set_init(&fs_perm_set);
|
||
if (parse_fs_perm_set(&fs_perm_set, perm_nvl) != 0) {
|
||
(void) fprintf(stderr, "Failed to parse fsacl permissions\n");
|
||
goto cleanup1;
|
||
}
|
||
|
||
if (opts.prt_perms)
|
||
print_fs_perms(&fs_perm_set);
|
||
else {
|
||
(void) construct_fsacl_list(un, &opts, &update_perm_nvl);
|
||
if (zfs_set_fsacl(zhp, un, update_perm_nvl) != 0)
|
||
goto cleanup0;
|
||
|
||
if (un && opts.recursive) {
|
||
struct deleg_perms data = { un, update_perm_nvl };
|
||
if (zfs_iter_filesystems_v2(zhp, 0, set_deleg_perms,
|
||
&data) != 0)
|
||
goto cleanup0;
|
||
}
|
||
}
|
||
|
||
error = 0;
|
||
|
||
cleanup0:
|
||
nvlist_free(perm_nvl);
|
||
nvlist_free(update_perm_nvl);
|
||
cleanup1:
|
||
fs_perm_set_fini(&fs_perm_set);
|
||
cleanup2:
|
||
zfs_close(zhp);
|
||
|
||
return (error);
|
||
}
|
||
|
||
static int
|
||
zfs_do_allow(int argc, char **argv)
|
||
{
|
||
return (zfs_do_allow_unallow_impl(argc, argv, B_FALSE));
|
||
}
|
||
|
||
static int
|
||
zfs_do_unallow(int argc, char **argv)
|
||
{
|
||
return (zfs_do_allow_unallow_impl(argc, argv, B_TRUE));
|
||
}
|
||
|
||
static int
|
||
zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding)
|
||
{
|
||
int errors = 0;
|
||
int i;
|
||
const char *tag;
|
||
boolean_t recursive = B_FALSE;
|
||
const char *opts = holding ? "rt" : "r";
|
||
int c;
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, opts)) != -1) {
|
||
switch (c) {
|
||
case 'r':
|
||
recursive = B_TRUE;
|
||
break;
|
||
case '?':
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
/* check number of arguments */
|
||
if (argc < 2)
|
||
usage(B_FALSE);
|
||
|
||
tag = argv[0];
|
||
--argc;
|
||
++argv;
|
||
|
||
if (holding && tag[0] == '.') {
|
||
/* tags starting with '.' are reserved for libzfs */
|
||
(void) fprintf(stderr, gettext("tag may not start with '.'\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
for (i = 0; i < argc; ++i) {
|
||
zfs_handle_t *zhp;
|
||
char parent[ZFS_MAX_DATASET_NAME_LEN];
|
||
const char *delim;
|
||
char *path = argv[i];
|
||
|
||
delim = strchr(path, '@');
|
||
if (delim == NULL) {
|
||
(void) fprintf(stderr,
|
||
gettext("'%s' is not a snapshot\n"), path);
|
||
++errors;
|
||
continue;
|
||
}
|
||
(void) strlcpy(parent, path, MIN(sizeof (parent),
|
||
delim - path + 1));
|
||
|
||
zhp = zfs_open(g_zfs, parent,
|
||
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
|
||
if (zhp == NULL) {
|
||
++errors;
|
||
continue;
|
||
}
|
||
if (holding) {
|
||
if (zfs_hold(zhp, delim+1, tag, recursive, -1) != 0)
|
||
++errors;
|
||
} else {
|
||
if (zfs_release(zhp, delim+1, tag, recursive) != 0)
|
||
++errors;
|
||
}
|
||
zfs_close(zhp);
|
||
}
|
||
|
||
return (errors != 0);
|
||
}
|
||
|
||
/*
|
||
* zfs hold [-r] [-t] <tag> <snap> ...
|
||
*
|
||
* -r Recursively hold
|
||
*
|
||
* Apply a user-hold with the given tag to the list of snapshots.
|
||
*/
|
||
static int
|
||
zfs_do_hold(int argc, char **argv)
|
||
{
|
||
return (zfs_do_hold_rele_impl(argc, argv, B_TRUE));
|
||
}
|
||
|
||
/*
|
||
* zfs release [-r] <tag> <snap> ...
|
||
*
|
||
* -r Recursively release
|
||
*
|
||
* Release a user-hold with the given tag from the list of snapshots.
|
||
*/
|
||
static int
|
||
zfs_do_release(int argc, char **argv)
|
||
{
|
||
return (zfs_do_hold_rele_impl(argc, argv, B_FALSE));
|
||
}
|
||
|
||
typedef struct holds_cbdata {
|
||
boolean_t cb_recursive;
|
||
const char *cb_snapname;
|
||
nvlist_t **cb_nvlp;
|
||
size_t cb_max_namelen;
|
||
size_t cb_max_taglen;
|
||
} holds_cbdata_t;
|
||
|
||
#define STRFTIME_FMT_STR "%a %b %e %H:%M %Y"
|
||
#define DATETIME_BUF_LEN (32)
|
||
/*
|
||
*
|
||
*/
|
||
static void
|
||
print_holds(boolean_t scripted, int nwidth, int tagwidth, nvlist_t *nvl,
|
||
boolean_t parsable)
|
||
{
|
||
int i;
|
||
nvpair_t *nvp = NULL;
|
||
const char *const hdr_cols[] = { "NAME", "TAG", "TIMESTAMP" };
|
||
const char *col;
|
||
|
||
if (!scripted) {
|
||
for (i = 0; i < 3; i++) {
|
||
col = gettext(hdr_cols[i]);
|
||
if (i < 2)
|
||
(void) printf("%-*s ", i ? tagwidth : nwidth,
|
||
col);
|
||
else
|
||
(void) printf("%s\n", col);
|
||
}
|
||
}
|
||
|
||
while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
|
||
const char *zname = nvpair_name(nvp);
|
||
nvlist_t *nvl2;
|
||
nvpair_t *nvp2 = NULL;
|
||
(void) nvpair_value_nvlist(nvp, &nvl2);
|
||
while ((nvp2 = nvlist_next_nvpair(nvl2, nvp2)) != NULL) {
|
||
char tsbuf[DATETIME_BUF_LEN];
|
||
const char *tagname = nvpair_name(nvp2);
|
||
uint64_t val = 0;
|
||
time_t time;
|
||
struct tm t;
|
||
|
||
(void) nvpair_value_uint64(nvp2, &val);
|
||
time = (time_t)val;
|
||
(void) localtime_r(&time, &t);
|
||
(void) strftime(tsbuf, DATETIME_BUF_LEN,
|
||
gettext(STRFTIME_FMT_STR), &t);
|
||
|
||
if (scripted) {
|
||
if (parsable) {
|
||
(void) printf("%s\t%s\t%ld\n", zname,
|
||
tagname, time);
|
||
} else {
|
||
(void) printf("%s\t%s\t%s\n", zname,
|
||
tagname, tsbuf);
|
||
}
|
||
} else {
|
||
if (parsable) {
|
||
(void) printf("%-*s %-*s %ld\n",
|
||
nwidth, zname, tagwidth,
|
||
tagname, time);
|
||
} else {
|
||
(void) printf("%-*s %-*s %s\n",
|
||
nwidth, zname, tagwidth,
|
||
tagname, tsbuf);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Generic callback function to list a dataset or snapshot.
|
||
*/
|
||
static int
|
||
holds_callback(zfs_handle_t *zhp, void *data)
|
||
{
|
||
holds_cbdata_t *cbp = data;
|
||
nvlist_t *top_nvl = *cbp->cb_nvlp;
|
||
nvlist_t *nvl = NULL;
|
||
nvpair_t *nvp = NULL;
|
||
const char *zname = zfs_get_name(zhp);
|
||
size_t znamelen = strlen(zname);
|
||
|
||
if (cbp->cb_recursive) {
|
||
const char *snapname;
|
||
char *delim = strchr(zname, '@');
|
||
if (delim == NULL)
|
||
return (0);
|
||
|
||
snapname = delim + 1;
|
||
if (strcmp(cbp->cb_snapname, snapname))
|
||
return (0);
|
||
}
|
||
|
||
if (zfs_get_holds(zhp, &nvl) != 0)
|
||
return (-1);
|
||
|
||
if (znamelen > cbp->cb_max_namelen)
|
||
cbp->cb_max_namelen = znamelen;
|
||
|
||
while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
|
||
const char *tag = nvpair_name(nvp);
|
||
size_t taglen = strlen(tag);
|
||
if (taglen > cbp->cb_max_taglen)
|
||
cbp->cb_max_taglen = taglen;
|
||
}
|
||
|
||
return (nvlist_add_nvlist(top_nvl, zname, nvl));
|
||
}
|
||
|
||
/*
|
||
* zfs holds [-rHp] <snap> ...
|
||
*
|
||
* -r Lists holds that are set on the named snapshots recursively.
|
||
* -H Scripted mode; elide headers and separate columns by tabs.
|
||
* -p Display values in parsable (literal) format.
|
||
*/
|
||
static int
|
||
zfs_do_holds(int argc, char **argv)
|
||
{
|
||
int c;
|
||
boolean_t errors = B_FALSE;
|
||
boolean_t scripted = B_FALSE;
|
||
boolean_t recursive = B_FALSE;
|
||
boolean_t parsable = B_FALSE;
|
||
|
||
int types = ZFS_TYPE_SNAPSHOT;
|
||
holds_cbdata_t cb = { 0 };
|
||
|
||
int limit = 0;
|
||
int ret = 0;
|
||
int flags = 0;
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, "rHp")) != -1) {
|
||
switch (c) {
|
||
case 'r':
|
||
recursive = B_TRUE;
|
||
break;
|
||
case 'H':
|
||
scripted = B_TRUE;
|
||
break;
|
||
case 'p':
|
||
parsable = B_TRUE;
|
||
break;
|
||
case '?':
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
if (recursive) {
|
||
types |= ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
|
||
flags |= ZFS_ITER_RECURSE;
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
/* check number of arguments */
|
||
if (argc < 1)
|
||
usage(B_FALSE);
|
||
|
||
nvlist_t *nvl = fnvlist_alloc();
|
||
|
||
for (int i = 0; i < argc; ++i) {
|
||
char *snapshot = argv[i];
|
||
const char *delim;
|
||
const char *snapname;
|
||
|
||
delim = strchr(snapshot, '@');
|
||
if (delim == NULL) {
|
||
(void) fprintf(stderr,
|
||
gettext("'%s' is not a snapshot\n"), snapshot);
|
||
errors = B_TRUE;
|
||
continue;
|
||
}
|
||
snapname = delim + 1;
|
||
if (recursive)
|
||
snapshot[delim - snapshot] = '\0';
|
||
|
||
cb.cb_recursive = recursive;
|
||
cb.cb_snapname = snapname;
|
||
cb.cb_nvlp = &nvl;
|
||
|
||
/*
|
||
* 1. collect holds data, set format options
|
||
*/
|
||
ret = zfs_for_each(1, argv + i, flags, types, NULL, NULL, limit,
|
||
holds_callback, &cb);
|
||
if (ret != 0)
|
||
errors = B_TRUE;
|
||
}
|
||
|
||
/*
|
||
* 2. print holds data
|
||
*/
|
||
print_holds(scripted, cb.cb_max_namelen, cb.cb_max_taglen, nvl,
|
||
parsable);
|
||
|
||
if (nvlist_empty(nvl))
|
||
(void) fprintf(stderr, gettext("no datasets available\n"));
|
||
|
||
nvlist_free(nvl);
|
||
|
||
return (errors);
|
||
}
|
||
|
||
#define CHECK_SPINNER 30
|
||
#define SPINNER_TIME 3 /* seconds */
|
||
#define MOUNT_TIME 1 /* seconds */
|
||
|
||
typedef struct get_all_state {
|
||
boolean_t ga_verbose;
|
||
get_all_cb_t *ga_cbp;
|
||
} get_all_state_t;
|
||
|
||
static int
|
||
get_one_dataset(zfs_handle_t *zhp, void *data)
|
||
{
|
||
static const char *const spin[] = { "-", "\\", "|", "/" };
|
||
static int spinval = 0;
|
||
static int spincheck = 0;
|
||
static time_t last_spin_time = (time_t)0;
|
||
get_all_state_t *state = data;
|
||
zfs_type_t type = zfs_get_type(zhp);
|
||
|
||
if (state->ga_verbose) {
|
||
if (--spincheck < 0) {
|
||
time_t now = time(NULL);
|
||
if (last_spin_time + SPINNER_TIME < now) {
|
||
update_progress(spin[spinval++ % 4]);
|
||
last_spin_time = now;
|
||
}
|
||
spincheck = CHECK_SPINNER;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Iterate over any nested datasets.
|
||
*/
|
||
if (zfs_iter_filesystems_v2(zhp, 0, get_one_dataset, data) != 0) {
|
||
zfs_close(zhp);
|
||
return (1);
|
||
}
|
||
|
||
/*
|
||
* Skip any datasets whose type does not match.
|
||
*/
|
||
if ((type & ZFS_TYPE_FILESYSTEM) == 0) {
|
||
zfs_close(zhp);
|
||
return (0);
|
||
}
|
||
libzfs_add_handle(state->ga_cbp, zhp);
|
||
assert(state->ga_cbp->cb_used <= state->ga_cbp->cb_alloc);
|
||
|
||
return (0);
|
||
}
|
||
|
||
static void
|
||
get_all_datasets(get_all_cb_t *cbp, boolean_t verbose)
|
||
{
|
||
get_all_state_t state = {
|
||
.ga_verbose = verbose,
|
||
.ga_cbp = cbp
|
||
};
|
||
|
||
if (verbose)
|
||
set_progress_header(gettext("Reading ZFS config"));
|
||
(void) zfs_iter_root(g_zfs, get_one_dataset, &state);
|
||
|
||
if (verbose)
|
||
finish_progress(gettext("done."));
|
||
}
|
||
|
||
/*
|
||
* Generic callback for sharing or mounting filesystems. Because the code is so
|
||
* similar, we have a common function with an extra parameter to determine which
|
||
* mode we are using.
|
||
*/
|
||
typedef enum { OP_SHARE, OP_MOUNT } share_mount_op_t;
|
||
|
||
typedef struct share_mount_state {
|
||
share_mount_op_t sm_op;
|
||
boolean_t sm_verbose;
|
||
int sm_flags;
|
||
char *sm_options;
|
||
enum sa_protocol sm_proto; /* only valid for OP_SHARE */
|
||
pthread_mutex_t sm_lock; /* protects the remaining fields */
|
||
uint_t sm_total; /* number of filesystems to process */
|
||
uint_t sm_done; /* number of filesystems processed */
|
||
int sm_status; /* -1 if any of the share/mount operations failed */
|
||
} share_mount_state_t;
|
||
|
||
/*
|
||
* Share or mount a dataset.
|
||
*/
|
||
static int
|
||
share_mount_one(zfs_handle_t *zhp, int op, int flags, enum sa_protocol protocol,
|
||
boolean_t explicit, const char *options)
|
||
{
|
||
char mountpoint[ZFS_MAXPROPLEN];
|
||
char shareopts[ZFS_MAXPROPLEN];
|
||
char smbshareopts[ZFS_MAXPROPLEN];
|
||
const char *cmdname = op == OP_SHARE ? "share" : "mount";
|
||
struct mnttab mnt;
|
||
uint64_t zoned, canmount;
|
||
boolean_t shared_nfs, shared_smb;
|
||
|
||
assert(zfs_get_type(zhp) & ZFS_TYPE_FILESYSTEM);
|
||
|
||
/*
|
||
* Check to make sure we can mount/share this dataset. If we
|
||
* are in the global zone and the filesystem is exported to a
|
||
* local zone, or if we are in a local zone and the
|
||
* filesystem is not exported, then it is an error.
|
||
*/
|
||
zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
|
||
|
||
if (zoned && getzoneid() == GLOBAL_ZONEID) {
|
||
if (!explicit)
|
||
return (0);
|
||
|
||
(void) fprintf(stderr, gettext("cannot %s '%s': "
|
||
"dataset is exported to a local zone\n"), cmdname,
|
||
zfs_get_name(zhp));
|
||
return (1);
|
||
|
||
} else if (!zoned && getzoneid() != GLOBAL_ZONEID) {
|
||
if (!explicit)
|
||
return (0);
|
||
|
||
(void) fprintf(stderr, gettext("cannot %s '%s': "
|
||
"permission denied\n"), cmdname,
|
||
zfs_get_name(zhp));
|
||
return (1);
|
||
}
|
||
|
||
/*
|
||
* Ignore any filesystems which don't apply to us. This
|
||
* includes those with a legacy mountpoint, or those with
|
||
* legacy share options.
|
||
*/
|
||
verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint,
|
||
sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0);
|
||
verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts,
|
||
sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0);
|
||
verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts,
|
||
sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0);
|
||
|
||
if (op == OP_SHARE && strcmp(shareopts, "off") == 0 &&
|
||
strcmp(smbshareopts, "off") == 0) {
|
||
if (!explicit)
|
||
return (0);
|
||
|
||
(void) fprintf(stderr, gettext("cannot share '%s': "
|
||
"legacy share\n"), zfs_get_name(zhp));
|
||
(void) fprintf(stderr, gettext("use exports(5) or "
|
||
"smb.conf(5) to share this filesystem, or set "
|
||
"the sharenfs or sharesmb property\n"));
|
||
return (1);
|
||
}
|
||
|
||
/*
|
||
* We cannot share or mount legacy filesystems. If the
|
||
* shareopts is non-legacy but the mountpoint is legacy, we
|
||
* treat it as a legacy share.
|
||
*/
|
||
if (strcmp(mountpoint, "legacy") == 0) {
|
||
if (!explicit)
|
||
return (0);
|
||
|
||
(void) fprintf(stderr, gettext("cannot %s '%s': "
|
||
"legacy mountpoint\n"), cmdname, zfs_get_name(zhp));
|
||
(void) fprintf(stderr, gettext("use %s(8) to "
|
||
"%s this filesystem\n"), cmdname, cmdname);
|
||
return (1);
|
||
}
|
||
|
||
if (strcmp(mountpoint, "none") == 0) {
|
||
if (!explicit)
|
||
return (0);
|
||
|
||
(void) fprintf(stderr, gettext("cannot %s '%s': no "
|
||
"mountpoint set\n"), cmdname, zfs_get_name(zhp));
|
||
return (1);
|
||
}
|
||
|
||
/*
|
||
* canmount explicit outcome
|
||
* on no pass through
|
||
* on yes pass through
|
||
* off no return 0
|
||
* off yes display error, return 1
|
||
* noauto no return 0
|
||
* noauto yes pass through
|
||
*/
|
||
canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
|
||
if (canmount == ZFS_CANMOUNT_OFF) {
|
||
if (!explicit)
|
||
return (0);
|
||
|
||
(void) fprintf(stderr, gettext("cannot %s '%s': "
|
||
"'canmount' property is set to 'off'\n"), cmdname,
|
||
zfs_get_name(zhp));
|
||
return (1);
|
||
} else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) {
|
||
/*
|
||
* When performing a 'zfs mount -a', we skip any mounts for
|
||
* datasets that have 'noauto' set. Sharing a dataset with
|
||
* 'noauto' set is only allowed if it's mounted.
|
||
*/
|
||
if (op == OP_MOUNT)
|
||
return (0);
|
||
if (op == OP_SHARE && !zfs_is_mounted(zhp, NULL)) {
|
||
/* also purge it from existing exports */
|
||
zfs_unshare(zhp, mountpoint, NULL);
|
||
return (0);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* If this filesystem is encrypted and does not have
|
||
* a loaded key, we can not mount it.
|
||
*/
|
||
if ((flags & MS_CRYPT) == 0 &&
|
||
zfs_prop_get_int(zhp, ZFS_PROP_ENCRYPTION) != ZIO_CRYPT_OFF &&
|
||
zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS) ==
|
||
ZFS_KEYSTATUS_UNAVAILABLE) {
|
||
if (!explicit)
|
||
return (0);
|
||
|
||
(void) fprintf(stderr, gettext("cannot %s '%s': "
|
||
"encryption key not loaded\n"), cmdname, zfs_get_name(zhp));
|
||
return (1);
|
||
}
|
||
|
||
/*
|
||
* If this filesystem is inconsistent and has a receive resume
|
||
* token, we can not mount it.
|
||
*/
|
||
if (zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) &&
|
||
zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN,
|
||
NULL, 0, NULL, NULL, 0, B_TRUE) == 0) {
|
||
if (!explicit)
|
||
return (0);
|
||
|
||
(void) fprintf(stderr, gettext("cannot %s '%s': "
|
||
"Contains partially-completed state from "
|
||
"\"zfs receive -s\", which can be resumed with "
|
||
"\"zfs send -t\"\n"),
|
||
cmdname, zfs_get_name(zhp));
|
||
return (1);
|
||
}
|
||
|
||
if (zfs_prop_get_int(zhp, ZFS_PROP_REDACTED) && !(flags & MS_FORCE)) {
|
||
if (!explicit)
|
||
return (0);
|
||
|
||
(void) fprintf(stderr, gettext("cannot %s '%s': "
|
||
"Dataset is not complete, was created by receiving "
|
||
"a redacted zfs send stream.\n"), cmdname,
|
||
zfs_get_name(zhp));
|
||
return (1);
|
||
}
|
||
|
||
/*
|
||
* At this point, we have verified that the mountpoint and/or
|
||
* shareopts are appropriate for auto management. If the
|
||
* filesystem is already mounted or shared, return (failing
|
||
* for explicit requests); otherwise mount or share the
|
||
* filesystem.
|
||
*/
|
||
switch (op) {
|
||
case OP_SHARE: {
|
||
enum sa_protocol prot[] = {SA_PROTOCOL_NFS, SA_NO_PROTOCOL};
|
||
shared_nfs = zfs_is_shared(zhp, NULL, prot);
|
||
*prot = SA_PROTOCOL_SMB;
|
||
shared_smb = zfs_is_shared(zhp, NULL, prot);
|
||
|
||
if ((shared_nfs && shared_smb) ||
|
||
(shared_nfs && strcmp(shareopts, "on") == 0 &&
|
||
strcmp(smbshareopts, "off") == 0) ||
|
||
(shared_smb && strcmp(smbshareopts, "on") == 0 &&
|
||
strcmp(shareopts, "off") == 0)) {
|
||
if (!explicit)
|
||
return (0);
|
||
|
||
(void) fprintf(stderr, gettext("cannot share "
|
||
"'%s': filesystem already shared\n"),
|
||
zfs_get_name(zhp));
|
||
return (1);
|
||
}
|
||
|
||
if (!zfs_is_mounted(zhp, NULL) &&
|
||
zfs_mount(zhp, NULL, flags) != 0)
|
||
return (1);
|
||
|
||
*prot = protocol;
|
||
if (zfs_share(zhp, protocol == SA_NO_PROTOCOL ? NULL : prot))
|
||
return (1);
|
||
|
||
}
|
||
break;
|
||
|
||
case OP_MOUNT:
|
||
mnt.mnt_mntopts = (char *)(options ?: "");
|
||
|
||
if (!hasmntopt(&mnt, MNTOPT_REMOUNT) &&
|
||
zfs_is_mounted(zhp, NULL)) {
|
||
if (!explicit)
|
||
return (0);
|
||
|
||
(void) fprintf(stderr, gettext("cannot mount "
|
||
"'%s': filesystem already mounted\n"),
|
||
zfs_get_name(zhp));
|
||
return (1);
|
||
}
|
||
|
||
if (zfs_mount(zhp, options, flags) != 0)
|
||
return (1);
|
||
break;
|
||
}
|
||
|
||
return (0);
|
||
}
|
||
|
||
/*
|
||
* Reports progress in the form "(current/total)". Not thread-safe.
|
||
*/
|
||
static void
|
||
report_mount_progress(int current, int total)
|
||
{
|
||
static time_t last_progress_time = 0;
|
||
time_t now = time(NULL);
|
||
char info[32];
|
||
|
||
/* display header if we're here for the first time */
|
||
if (current == 1) {
|
||
set_progress_header(gettext("Mounting ZFS filesystems"));
|
||
} else if (current != total && last_progress_time + MOUNT_TIME >= now) {
|
||
/* too soon to report again */
|
||
return;
|
||
}
|
||
|
||
last_progress_time = now;
|
||
|
||
(void) sprintf(info, "(%d/%d)", current, total);
|
||
|
||
if (current == total)
|
||
finish_progress(info);
|
||
else
|
||
update_progress(info);
|
||
}
|
||
|
||
/*
|
||
* zfs_foreach_mountpoint() callback that mounts or shares one filesystem and
|
||
* updates the progress meter.
|
||
*/
|
||
static int
|
||
share_mount_one_cb(zfs_handle_t *zhp, void *arg)
|
||
{
|
||
share_mount_state_t *sms = arg;
|
||
int ret;
|
||
|
||
ret = share_mount_one(zhp, sms->sm_op, sms->sm_flags, sms->sm_proto,
|
||
B_FALSE, sms->sm_options);
|
||
|
||
pthread_mutex_lock(&sms->sm_lock);
|
||
if (ret != 0)
|
||
sms->sm_status = ret;
|
||
sms->sm_done++;
|
||
if (sms->sm_verbose)
|
||
report_mount_progress(sms->sm_done, sms->sm_total);
|
||
pthread_mutex_unlock(&sms->sm_lock);
|
||
return (ret);
|
||
}
|
||
|
||
static void
|
||
append_options(char *mntopts, char *newopts)
|
||
{
|
||
int len = strlen(mntopts);
|
||
|
||
/* original length plus new string to append plus 1 for the comma */
|
||
if (len + 1 + strlen(newopts) >= MNT_LINE_MAX) {
|
||
(void) fprintf(stderr, gettext("the opts argument for "
|
||
"'%s' option is too long (more than %d chars)\n"),
|
||
"-o", MNT_LINE_MAX);
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
if (*mntopts)
|
||
mntopts[len++] = ',';
|
||
|
||
(void) strcpy(&mntopts[len], newopts);
|
||
}
|
||
|
||
static enum sa_protocol
|
||
sa_protocol_decode(const char *protocol)
|
||
{
|
||
for (enum sa_protocol i = 0; i < ARRAY_SIZE(sa_protocol_names); ++i)
|
||
if (strcmp(protocol, sa_protocol_names[i]) == 0)
|
||
return (i);
|
||
|
||
(void) fputs(gettext("share type must be one of: "), stderr);
|
||
for (enum sa_protocol i = 0;
|
||
i < ARRAY_SIZE(sa_protocol_names); ++i)
|
||
(void) fprintf(stderr, "%s%s",
|
||
i != 0 ? ", " : "", sa_protocol_names[i]);
|
||
(void) fputc('\n', stderr);
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
static int
|
||
share_mount(int op, int argc, char **argv)
|
||
{
|
||
int do_all = 0;
|
||
boolean_t verbose = B_FALSE;
|
||
int c, ret = 0;
|
||
char *options = NULL;
|
||
int flags = 0;
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, op == OP_MOUNT ? ":alvo:Of" : "al"))
|
||
!= -1) {
|
||
switch (c) {
|
||
case 'a':
|
||
do_all = 1;
|
||
break;
|
||
case 'v':
|
||
verbose = B_TRUE;
|
||
break;
|
||
case 'l':
|
||
flags |= MS_CRYPT;
|
||
break;
|
||
case 'o':
|
||
if (*optarg == '\0') {
|
||
(void) fprintf(stderr, gettext("empty mount "
|
||
"options (-o) specified\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
if (options == NULL)
|
||
options = safe_malloc(MNT_LINE_MAX + 1);
|
||
|
||
/* option validation is done later */
|
||
append_options(options, optarg);
|
||
break;
|
||
case 'O':
|
||
flags |= MS_OVERLAY;
|
||
break;
|
||
case 'f':
|
||
flags |= MS_FORCE;
|
||
break;
|
||
case ':':
|
||
(void) fprintf(stderr, gettext("missing argument for "
|
||
"'%c' option\n"), optopt);
|
||
usage(B_FALSE);
|
||
break;
|
||
case '?':
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
/* check number of arguments */
|
||
if (do_all) {
|
||
enum sa_protocol protocol = SA_NO_PROTOCOL;
|
||
|
||
if (op == OP_SHARE && argc > 0) {
|
||
protocol = sa_protocol_decode(argv[0]);
|
||
argc--;
|
||
argv++;
|
||
}
|
||
|
||
if (argc != 0) {
|
||
(void) fprintf(stderr, gettext("too many arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
start_progress_timer();
|
||
get_all_cb_t cb = { 0 };
|
||
get_all_datasets(&cb, verbose);
|
||
|
||
if (cb.cb_used == 0) {
|
||
free(options);
|
||
return (0);
|
||
}
|
||
|
||
share_mount_state_t share_mount_state = { 0 };
|
||
share_mount_state.sm_op = op;
|
||
share_mount_state.sm_verbose = verbose;
|
||
share_mount_state.sm_flags = flags;
|
||
share_mount_state.sm_options = options;
|
||
share_mount_state.sm_proto = protocol;
|
||
share_mount_state.sm_total = cb.cb_used;
|
||
pthread_mutex_init(&share_mount_state.sm_lock, NULL);
|
||
|
||
/* For a 'zfs share -a' operation start with a clean slate. */
|
||
zfs_truncate_shares(NULL);
|
||
|
||
/*
|
||
* libshare isn't mt-safe, so only do the operation in parallel
|
||
* if we're mounting. Additionally, the key-loading option must
|
||
* be serialized so that we can prompt the user for their keys
|
||
* in a consistent manner.
|
||
*/
|
||
zfs_foreach_mountpoint(g_zfs, cb.cb_handles, cb.cb_used,
|
||
share_mount_one_cb, &share_mount_state,
|
||
op == OP_MOUNT && !(flags & MS_CRYPT));
|
||
zfs_commit_shares(NULL);
|
||
|
||
ret = share_mount_state.sm_status;
|
||
|
||
for (int i = 0; i < cb.cb_used; i++)
|
||
zfs_close(cb.cb_handles[i]);
|
||
free(cb.cb_handles);
|
||
} else if (argc == 0) {
|
||
FILE *mnttab;
|
||
struct mnttab entry;
|
||
|
||
if ((op == OP_SHARE) || (options != NULL)) {
|
||
(void) fprintf(stderr, gettext("missing filesystem "
|
||
"argument (specify -a for all)\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
/*
|
||
* When mount is given no arguments, go through
|
||
* /proc/self/mounts and display any active ZFS mounts.
|
||
* We hide any snapshots, since they are controlled
|
||
* automatically.
|
||
*/
|
||
|
||
if ((mnttab = fopen(MNTTAB, "re")) == NULL) {
|
||
free(options);
|
||
return (ENOENT);
|
||
}
|
||
|
||
while (getmntent(mnttab, &entry) == 0) {
|
||
if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0 ||
|
||
strchr(entry.mnt_special, '@') != NULL)
|
||
continue;
|
||
|
||
(void) printf("%-30s %s\n", entry.mnt_special,
|
||
entry.mnt_mountp);
|
||
}
|
||
|
||
(void) fclose(mnttab);
|
||
} else {
|
||
zfs_handle_t *zhp;
|
||
|
||
if (argc > 1) {
|
||
(void) fprintf(stderr,
|
||
gettext("too many arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
if ((zhp = zfs_open(g_zfs, argv[0],
|
||
ZFS_TYPE_FILESYSTEM)) == NULL) {
|
||
ret = 1;
|
||
} else {
|
||
ret = share_mount_one(zhp, op, flags, SA_NO_PROTOCOL,
|
||
B_TRUE, options);
|
||
zfs_commit_shares(NULL);
|
||
zfs_close(zhp);
|
||
}
|
||
}
|
||
|
||
free(options);
|
||
return (ret);
|
||
}
|
||
|
||
/*
|
||
* zfs mount -a
|
||
* zfs mount filesystem
|
||
*
|
||
* Mount all filesystems, or mount the given filesystem.
|
||
*/
|
||
static int
|
||
zfs_do_mount(int argc, char **argv)
|
||
{
|
||
return (share_mount(OP_MOUNT, argc, argv));
|
||
}
|
||
|
||
/*
|
||
* zfs share -a [nfs | smb]
|
||
* zfs share filesystem
|
||
*
|
||
* Share all filesystems, or share the given filesystem.
|
||
*/
|
||
static int
|
||
zfs_do_share(int argc, char **argv)
|
||
{
|
||
return (share_mount(OP_SHARE, argc, argv));
|
||
}
|
||
|
||
typedef struct unshare_unmount_node {
|
||
zfs_handle_t *un_zhp;
|
||
char *un_mountp;
|
||
uu_avl_node_t un_avlnode;
|
||
} unshare_unmount_node_t;
|
||
|
||
static int
|
||
unshare_unmount_compare(const void *larg, const void *rarg, void *unused)
|
||
{
|
||
(void) unused;
|
||
const unshare_unmount_node_t *l = larg;
|
||
const unshare_unmount_node_t *r = rarg;
|
||
|
||
return (strcmp(l->un_mountp, r->un_mountp));
|
||
}
|
||
|
||
/*
|
||
* Convenience routine used by zfs_do_umount() and manual_unmount(). Given an
|
||
* absolute path, find the entry /proc/self/mounts, verify that it's a
|
||
* ZFS filesystem, and unmount it appropriately.
|
||
*/
|
||
static int
|
||
unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual)
|
||
{
|
||
zfs_handle_t *zhp;
|
||
int ret = 0;
|
||
struct stat64 statbuf;
|
||
struct extmnttab entry;
|
||
const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount";
|
||
ino_t path_inode;
|
||
|
||
/*
|
||
* Search for the given (major,minor) pair in the mount table.
|
||
*/
|
||
|
||
if (getextmntent(path, &entry, &statbuf) != 0) {
|
||
if (op == OP_SHARE) {
|
||
(void) fprintf(stderr, gettext("cannot %s '%s': not "
|
||
"currently mounted\n"), cmdname, path);
|
||
return (1);
|
||
}
|
||
(void) fprintf(stderr, gettext("warning: %s not in"
|
||
"/proc/self/mounts\n"), path);
|
||
if ((ret = umount2(path, flags)) != 0)
|
||
(void) fprintf(stderr, gettext("%s: %s\n"), path,
|
||
strerror(errno));
|
||
return (ret != 0);
|
||
}
|
||
path_inode = statbuf.st_ino;
|
||
|
||
if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) {
|
||
(void) fprintf(stderr, gettext("cannot %s '%s': not a ZFS "
|
||
"filesystem\n"), cmdname, path);
|
||
return (1);
|
||
}
|
||
|
||
if ((zhp = zfs_open(g_zfs, entry.mnt_special,
|
||
ZFS_TYPE_FILESYSTEM)) == NULL)
|
||
return (1);
|
||
|
||
ret = 1;
|
||
if (stat64(entry.mnt_mountp, &statbuf) != 0) {
|
||
(void) fprintf(stderr, gettext("cannot %s '%s': %s\n"),
|
||
cmdname, path, strerror(errno));
|
||
goto out;
|
||
} else if (statbuf.st_ino != path_inode) {
|
||
(void) fprintf(stderr, gettext("cannot "
|
||
"%s '%s': not a mountpoint\n"), cmdname, path);
|
||
goto out;
|
||
}
|
||
|
||
if (op == OP_SHARE) {
|
||
char nfs_mnt_prop[ZFS_MAXPROPLEN];
|
||
char smbshare_prop[ZFS_MAXPROPLEN];
|
||
|
||
verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, nfs_mnt_prop,
|
||
sizeof (nfs_mnt_prop), NULL, NULL, 0, B_FALSE) == 0);
|
||
verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshare_prop,
|
||
sizeof (smbshare_prop), NULL, NULL, 0, B_FALSE) == 0);
|
||
|
||
if (strcmp(nfs_mnt_prop, "off") == 0 &&
|
||
strcmp(smbshare_prop, "off") == 0) {
|
||
(void) fprintf(stderr, gettext("cannot unshare "
|
||
"'%s': legacy share\n"), path);
|
||
(void) fprintf(stderr, gettext("use exportfs(8) "
|
||
"or smbcontrol(1) to unshare this filesystem\n"));
|
||
} else if (!zfs_is_shared(zhp, NULL, NULL)) {
|
||
(void) fprintf(stderr, gettext("cannot unshare '%s': "
|
||
"not currently shared\n"), path);
|
||
} else {
|
||
ret = zfs_unshare(zhp, path, NULL);
|
||
zfs_commit_shares(NULL);
|
||
}
|
||
} else {
|
||
char mtpt_prop[ZFS_MAXPROPLEN];
|
||
|
||
verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mtpt_prop,
|
||
sizeof (mtpt_prop), NULL, NULL, 0, B_FALSE) == 0);
|
||
|
||
if (is_manual) {
|
||
ret = zfs_unmount(zhp, NULL, flags);
|
||
} else if (strcmp(mtpt_prop, "legacy") == 0) {
|
||
(void) fprintf(stderr, gettext("cannot unmount "
|
||
"'%s': legacy mountpoint\n"),
|
||
zfs_get_name(zhp));
|
||
(void) fprintf(stderr, gettext("use umount(8) "
|
||
"to unmount this filesystem\n"));
|
||
} else {
|
||
ret = zfs_unmountall(zhp, flags);
|
||
}
|
||
}
|
||
|
||
out:
|
||
zfs_close(zhp);
|
||
|
||
return (ret != 0);
|
||
}
|
||
|
||
/*
|
||
* Generic callback for unsharing or unmounting a filesystem.
|
||
*/
|
||
static int
|
||
unshare_unmount(int op, int argc, char **argv)
|
||
{
|
||
int do_all = 0;
|
||
int flags = 0;
|
||
int ret = 0;
|
||
int c;
|
||
zfs_handle_t *zhp;
|
||
char nfs_mnt_prop[ZFS_MAXPROPLEN];
|
||
char sharesmb[ZFS_MAXPROPLEN];
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, op == OP_SHARE ? ":a" : "afu")) != -1) {
|
||
switch (c) {
|
||
case 'a':
|
||
do_all = 1;
|
||
break;
|
||
case 'f':
|
||
flags |= MS_FORCE;
|
||
break;
|
||
case 'u':
|
||
flags |= MS_CRYPT;
|
||
break;
|
||
case ':':
|
||
(void) fprintf(stderr, gettext("missing argument for "
|
||
"'%c' option\n"), optopt);
|
||
usage(B_FALSE);
|
||
break;
|
||
case '?':
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
if (do_all) {
|
||
/*
|
||
* We could make use of zfs_for_each() to walk all datasets in
|
||
* the system, but this would be very inefficient, especially
|
||
* since we would have to linearly search /proc/self/mounts for
|
||
* each one. Instead, do one pass through /proc/self/mounts
|
||
* looking for zfs entries and call zfs_unmount() for each one.
|
||
*
|
||
* Things get a little tricky if the administrator has created
|
||
* mountpoints beneath other ZFS filesystems. In this case, we
|
||
* have to unmount the deepest filesystems first. To accomplish
|
||
* this, we place all the mountpoints in an AVL tree sorted by
|
||
* the special type (dataset name), and walk the result in
|
||
* reverse to make sure to get any snapshots first.
|
||
*/
|
||
FILE *mnttab;
|
||
struct mnttab entry;
|
||
uu_avl_pool_t *pool;
|
||
uu_avl_t *tree = NULL;
|
||
unshare_unmount_node_t *node;
|
||
uu_avl_index_t idx;
|
||
uu_avl_walk_t *walk;
|
||
enum sa_protocol *protocol = NULL,
|
||
single_protocol[] = {SA_NO_PROTOCOL, SA_NO_PROTOCOL};
|
||
|
||
if (op == OP_SHARE && argc > 0) {
|
||
*single_protocol = sa_protocol_decode(argv[0]);
|
||
protocol = single_protocol;
|
||
argc--;
|
||
argv++;
|
||
}
|
||
|
||
if (argc != 0) {
|
||
(void) fprintf(stderr, gettext("too many arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
if (((pool = uu_avl_pool_create("unmount_pool",
|
||
sizeof (unshare_unmount_node_t),
|
||
offsetof(unshare_unmount_node_t, un_avlnode),
|
||
unshare_unmount_compare, UU_DEFAULT)) == NULL) ||
|
||
((tree = uu_avl_create(pool, NULL, UU_DEFAULT)) == NULL))
|
||
nomem();
|
||
|
||
if ((mnttab = fopen(MNTTAB, "re")) == NULL) {
|
||
uu_avl_destroy(tree);
|
||
uu_avl_pool_destroy(pool);
|
||
return (ENOENT);
|
||
}
|
||
|
||
while (getmntent(mnttab, &entry) == 0) {
|
||
|
||
/* ignore non-ZFS entries */
|
||
if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0)
|
||
continue;
|
||
|
||
/* ignore snapshots */
|
||
if (strchr(entry.mnt_special, '@') != NULL)
|
||
continue;
|
||
|
||
if ((zhp = zfs_open(g_zfs, entry.mnt_special,
|
||
ZFS_TYPE_FILESYSTEM)) == NULL) {
|
||
ret = 1;
|
||
continue;
|
||
}
|
||
|
||
/*
|
||
* Ignore datasets that are excluded/restricted by
|
||
* parent pool name.
|
||
*/
|
||
if (zpool_skip_pool(zfs_get_pool_name(zhp))) {
|
||
zfs_close(zhp);
|
||
continue;
|
||
}
|
||
|
||
switch (op) {
|
||
case OP_SHARE:
|
||
verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
|
||
nfs_mnt_prop,
|
||
sizeof (nfs_mnt_prop),
|
||
NULL, NULL, 0, B_FALSE) == 0);
|
||
if (strcmp(nfs_mnt_prop, "off") != 0)
|
||
break;
|
||
verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
|
||
nfs_mnt_prop,
|
||
sizeof (nfs_mnt_prop),
|
||
NULL, NULL, 0, B_FALSE) == 0);
|
||
if (strcmp(nfs_mnt_prop, "off") == 0)
|
||
continue;
|
||
break;
|
||
case OP_MOUNT:
|
||
/* Ignore legacy mounts */
|
||
verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT,
|
||
nfs_mnt_prop,
|
||
sizeof (nfs_mnt_prop),
|
||
NULL, NULL, 0, B_FALSE) == 0);
|
||
if (strcmp(nfs_mnt_prop, "legacy") == 0)
|
||
continue;
|
||
/* Ignore canmount=noauto mounts */
|
||
if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) ==
|
||
ZFS_CANMOUNT_NOAUTO)
|
||
continue;
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
|
||
node = safe_malloc(sizeof (unshare_unmount_node_t));
|
||
node->un_zhp = zhp;
|
||
node->un_mountp = safe_strdup(entry.mnt_mountp);
|
||
|
||
uu_avl_node_init(node, &node->un_avlnode, pool);
|
||
|
||
if (uu_avl_find(tree, node, NULL, &idx) == NULL) {
|
||
uu_avl_insert(tree, node, idx);
|
||
} else {
|
||
zfs_close(node->un_zhp);
|
||
free(node->un_mountp);
|
||
free(node);
|
||
}
|
||
}
|
||
(void) fclose(mnttab);
|
||
|
||
/*
|
||
* Walk the AVL tree in reverse, unmounting each filesystem and
|
||
* removing it from the AVL tree in the process.
|
||
*/
|
||
if ((walk = uu_avl_walk_start(tree,
|
||
UU_WALK_REVERSE | UU_WALK_ROBUST)) == NULL)
|
||
nomem();
|
||
|
||
while ((node = uu_avl_walk_next(walk)) != NULL) {
|
||
const char *mntarg = NULL;
|
||
|
||
uu_avl_remove(tree, node);
|
||
switch (op) {
|
||
case OP_SHARE:
|
||
if (zfs_unshare(node->un_zhp,
|
||
node->un_mountp, protocol) != 0)
|
||
ret = 1;
|
||
break;
|
||
|
||
case OP_MOUNT:
|
||
if (zfs_unmount(node->un_zhp,
|
||
mntarg, flags) != 0)
|
||
ret = 1;
|
||
break;
|
||
}
|
||
|
||
zfs_close(node->un_zhp);
|
||
free(node->un_mountp);
|
||
free(node);
|
||
}
|
||
|
||
if (op == OP_SHARE)
|
||
zfs_commit_shares(protocol);
|
||
|
||
uu_avl_walk_end(walk);
|
||
uu_avl_destroy(tree);
|
||
uu_avl_pool_destroy(pool);
|
||
|
||
} else {
|
||
if (argc != 1) {
|
||
if (argc == 0)
|
||
(void) fprintf(stderr,
|
||
gettext("missing filesystem argument\n"));
|
||
else
|
||
(void) fprintf(stderr,
|
||
gettext("too many arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
/*
|
||
* We have an argument, but it may be a full path or a ZFS
|
||
* filesystem. Pass full paths off to unmount_path() (shared by
|
||
* manual_unmount), otherwise open the filesystem and pass to
|
||
* zfs_unmount().
|
||
*/
|
||
if (argv[0][0] == '/')
|
||
return (unshare_unmount_path(op, argv[0],
|
||
flags, B_FALSE));
|
||
|
||
if ((zhp = zfs_open(g_zfs, argv[0],
|
||
ZFS_TYPE_FILESYSTEM)) == NULL)
|
||
return (1);
|
||
|
||
verify(zfs_prop_get(zhp, op == OP_SHARE ?
|
||
ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT,
|
||
nfs_mnt_prop, sizeof (nfs_mnt_prop), NULL,
|
||
NULL, 0, B_FALSE) == 0);
|
||
|
||
switch (op) {
|
||
case OP_SHARE:
|
||
verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
|
||
nfs_mnt_prop,
|
||
sizeof (nfs_mnt_prop),
|
||
NULL, NULL, 0, B_FALSE) == 0);
|
||
verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
|
||
sharesmb, sizeof (sharesmb), NULL, NULL,
|
||
0, B_FALSE) == 0);
|
||
|
||
if (strcmp(nfs_mnt_prop, "off") == 0 &&
|
||
strcmp(sharesmb, "off") == 0) {
|
||
(void) fprintf(stderr, gettext("cannot "
|
||
"unshare '%s': legacy share\n"),
|
||
zfs_get_name(zhp));
|
||
(void) fprintf(stderr, gettext("use "
|
||
"exports(5) or smb.conf(5) to unshare "
|
||
"this filesystem\n"));
|
||
ret = 1;
|
||
} else if (!zfs_is_shared(zhp, NULL, NULL)) {
|
||
(void) fprintf(stderr, gettext("cannot "
|
||
"unshare '%s': not currently "
|
||
"shared\n"), zfs_get_name(zhp));
|
||
ret = 1;
|
||
} else if (zfs_unshareall(zhp, NULL) != 0) {
|
||
ret = 1;
|
||
}
|
||
break;
|
||
|
||
case OP_MOUNT:
|
||
if (strcmp(nfs_mnt_prop, "legacy") == 0) {
|
||
(void) fprintf(stderr, gettext("cannot "
|
||
"unmount '%s': legacy "
|
||
"mountpoint\n"), zfs_get_name(zhp));
|
||
(void) fprintf(stderr, gettext("use "
|
||
"umount(8) to unmount this "
|
||
"filesystem\n"));
|
||
ret = 1;
|
||
} else if (!zfs_is_mounted(zhp, NULL)) {
|
||
(void) fprintf(stderr, gettext("cannot "
|
||
"unmount '%s': not currently "
|
||
"mounted\n"),
|
||
zfs_get_name(zhp));
|
||
ret = 1;
|
||
} else if (zfs_unmountall(zhp, flags) != 0) {
|
||
ret = 1;
|
||
}
|
||
break;
|
||
}
|
||
|
||
zfs_close(zhp);
|
||
}
|
||
|
||
return (ret);
|
||
}
|
||
|
||
/*
|
||
* zfs unmount [-fu] -a
|
||
* zfs unmount [-fu] filesystem
|
||
*
|
||
* Unmount all filesystems, or a specific ZFS filesystem.
|
||
*/
|
||
static int
|
||
zfs_do_unmount(int argc, char **argv)
|
||
{
|
||
return (unshare_unmount(OP_MOUNT, argc, argv));
|
||
}
|
||
|
||
/*
|
||
* zfs unshare -a
|
||
* zfs unshare filesystem
|
||
*
|
||
* Unshare all filesystems, or a specific ZFS filesystem.
|
||
*/
|
||
static int
|
||
zfs_do_unshare(int argc, char **argv)
|
||
{
|
||
return (unshare_unmount(OP_SHARE, argc, argv));
|
||
}
|
||
|
||
static int
|
||
find_command_idx(const char *command, int *idx)
|
||
{
|
||
int i;
|
||
|
||
for (i = 0; i < NCOMMAND; i++) {
|
||
if (command_table[i].name == NULL)
|
||
continue;
|
||
|
||
if (strcmp(command, command_table[i].name) == 0) {
|
||
*idx = i;
|
||
return (0);
|
||
}
|
||
}
|
||
return (1);
|
||
}
|
||
|
||
static int
|
||
zfs_do_diff(int argc, char **argv)
|
||
{
|
||
zfs_handle_t *zhp;
|
||
int flags = 0;
|
||
char *tosnap = NULL;
|
||
char *fromsnap = NULL;
|
||
char *atp, *copy;
|
||
int err = 0;
|
||
int c;
|
||
struct sigaction sa;
|
||
|
||
while ((c = getopt(argc, argv, "FHth")) != -1) {
|
||
switch (c) {
|
||
case 'F':
|
||
flags |= ZFS_DIFF_CLASSIFY;
|
||
break;
|
||
case 'H':
|
||
flags |= ZFS_DIFF_PARSEABLE;
|
||
break;
|
||
case 't':
|
||
flags |= ZFS_DIFF_TIMESTAMP;
|
||
break;
|
||
case 'h':
|
||
flags |= ZFS_DIFF_NO_MANGLE;
|
||
break;
|
||
default:
|
||
(void) fprintf(stderr,
|
||
gettext("invalid option '%c'\n"), optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
if (argc < 1) {
|
||
(void) fprintf(stderr,
|
||
gettext("must provide at least one snapshot name\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
if (argc > 2) {
|
||
(void) fprintf(stderr, gettext("too many arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
fromsnap = argv[0];
|
||
tosnap = (argc == 2) ? argv[1] : NULL;
|
||
|
||
copy = NULL;
|
||
if (*fromsnap != '@')
|
||
copy = strdup(fromsnap);
|
||
else if (tosnap)
|
||
copy = strdup(tosnap);
|
||
if (copy == NULL)
|
||
usage(B_FALSE);
|
||
|
||
if ((atp = strchr(copy, '@')) != NULL)
|
||
*atp = '\0';
|
||
|
||
if ((zhp = zfs_open(g_zfs, copy, ZFS_TYPE_FILESYSTEM)) == NULL) {
|
||
free(copy);
|
||
return (1);
|
||
}
|
||
free(copy);
|
||
|
||
/*
|
||
* Ignore SIGPIPE so that the library can give us
|
||
* information on any failure
|
||
*/
|
||
if (sigemptyset(&sa.sa_mask) == -1) {
|
||
err = errno;
|
||
goto out;
|
||
}
|
||
sa.sa_flags = 0;
|
||
sa.sa_handler = SIG_IGN;
|
||
if (sigaction(SIGPIPE, &sa, NULL) == -1) {
|
||
err = errno;
|
||
goto out;
|
||
}
|
||
|
||
err = zfs_show_diffs(zhp, STDOUT_FILENO, fromsnap, tosnap, flags);
|
||
out:
|
||
zfs_close(zhp);
|
||
|
||
return (err != 0);
|
||
}
|
||
|
||
/*
|
||
* zfs bookmark <fs@source>|<fs#source> <fs#bookmark>
|
||
*
|
||
* Creates a bookmark with the given name from the source snapshot
|
||
* or creates a copy of an existing source bookmark.
|
||
*/
|
||
static int
|
||
zfs_do_bookmark(int argc, char **argv)
|
||
{
|
||
char *source, *bookname;
|
||
char expbuf[ZFS_MAX_DATASET_NAME_LEN];
|
||
int source_type;
|
||
nvlist_t *nvl;
|
||
int ret = 0;
|
||
int c;
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, "")) != -1) {
|
||
switch (c) {
|
||
case '?':
|
||
(void) fprintf(stderr,
|
||
gettext("invalid option '%c'\n"), optopt);
|
||
goto usage;
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
/* check number of arguments */
|
||
if (argc < 1) {
|
||
(void) fprintf(stderr, gettext("missing source argument\n"));
|
||
goto usage;
|
||
}
|
||
if (argc < 2) {
|
||
(void) fprintf(stderr, gettext("missing bookmark argument\n"));
|
||
goto usage;
|
||
}
|
||
|
||
source = argv[0];
|
||
bookname = argv[1];
|
||
|
||
if (strchr(source, '@') == NULL && strchr(source, '#') == NULL) {
|
||
(void) fprintf(stderr,
|
||
gettext("invalid source name '%s': "
|
||
"must contain a '@' or '#'\n"), source);
|
||
goto usage;
|
||
}
|
||
if (strchr(bookname, '#') == NULL) {
|
||
(void) fprintf(stderr,
|
||
gettext("invalid bookmark name '%s': "
|
||
"must contain a '#'\n"), bookname);
|
||
goto usage;
|
||
}
|
||
|
||
/*
|
||
* expand source or bookname to full path:
|
||
* one of them may be specified as short name
|
||
*/
|
||
{
|
||
char **expand;
|
||
char *source_short, *bookname_short;
|
||
source_short = strpbrk(source, "@#");
|
||
bookname_short = strpbrk(bookname, "#");
|
||
if (source_short == source &&
|
||
bookname_short == bookname) {
|
||
(void) fprintf(stderr, gettext(
|
||
"either source or bookmark must be specified as "
|
||
"full dataset paths"));
|
||
goto usage;
|
||
} else if (source_short != source &&
|
||
bookname_short != bookname) {
|
||
expand = NULL;
|
||
} else if (source_short != source) {
|
||
strlcpy(expbuf, source, sizeof (expbuf));
|
||
expand = &bookname;
|
||
} else if (bookname_short != bookname) {
|
||
strlcpy(expbuf, bookname, sizeof (expbuf));
|
||
expand = &source;
|
||
} else {
|
||
abort();
|
||
}
|
||
if (expand != NULL) {
|
||
*strpbrk(expbuf, "@#") = '\0'; /* dataset name in buf */
|
||
(void) strlcat(expbuf, *expand, sizeof (expbuf));
|
||
*expand = expbuf;
|
||
}
|
||
}
|
||
|
||
/* determine source type */
|
||
switch (*strpbrk(source, "@#")) {
|
||
case '@': source_type = ZFS_TYPE_SNAPSHOT; break;
|
||
case '#': source_type = ZFS_TYPE_BOOKMARK; break;
|
||
default: abort();
|
||
}
|
||
|
||
/* test the source exists */
|
||
zfs_handle_t *zhp;
|
||
zhp = zfs_open(g_zfs, source, source_type);
|
||
if (zhp == NULL)
|
||
goto usage;
|
||
zfs_close(zhp);
|
||
|
||
nvl = fnvlist_alloc();
|
||
fnvlist_add_string(nvl, bookname, source);
|
||
ret = lzc_bookmark(nvl, NULL);
|
||
fnvlist_free(nvl);
|
||
|
||
if (ret != 0) {
|
||
const char *err_msg = NULL;
|
||
char errbuf[1024];
|
||
|
||
(void) snprintf(errbuf, sizeof (errbuf),
|
||
dgettext(TEXT_DOMAIN,
|
||
"cannot create bookmark '%s'"), bookname);
|
||
|
||
switch (ret) {
|
||
case EXDEV:
|
||
err_msg = "bookmark is in a different pool";
|
||
break;
|
||
case ZFS_ERR_BOOKMARK_SOURCE_NOT_ANCESTOR:
|
||
err_msg = "source is not an ancestor of the "
|
||
"new bookmark's dataset";
|
||
break;
|
||
case EEXIST:
|
||
err_msg = "bookmark exists";
|
||
break;
|
||
case EINVAL:
|
||
err_msg = "invalid argument";
|
||
break;
|
||
case ENOTSUP:
|
||
err_msg = "bookmark feature not enabled";
|
||
break;
|
||
case ENOSPC:
|
||
err_msg = "out of space";
|
||
break;
|
||
case ENOENT:
|
||
err_msg = "dataset does not exist";
|
||
break;
|
||
default:
|
||
(void) zfs_standard_error(g_zfs, ret, errbuf);
|
||
break;
|
||
}
|
||
if (err_msg != NULL) {
|
||
(void) fprintf(stderr, "%s: %s\n", errbuf,
|
||
dgettext(TEXT_DOMAIN, err_msg));
|
||
}
|
||
}
|
||
|
||
return (ret != 0);
|
||
|
||
usage:
|
||
usage(B_FALSE);
|
||
return (-1);
|
||
}
|
||
|
||
static int
|
||
zfs_do_channel_program(int argc, char **argv)
|
||
{
|
||
int ret, fd, c;
|
||
size_t progsize, progread;
|
||
nvlist_t *outnvl = NULL;
|
||
uint64_t instrlimit = ZCP_DEFAULT_INSTRLIMIT;
|
||
uint64_t memlimit = ZCP_DEFAULT_MEMLIMIT;
|
||
boolean_t sync_flag = B_TRUE, json_output = B_FALSE;
|
||
zpool_handle_t *zhp;
|
||
|
||
/* check options */
|
||
while ((c = getopt(argc, argv, "nt:m:j")) != -1) {
|
||
switch (c) {
|
||
case 't':
|
||
case 'm': {
|
||
uint64_t arg;
|
||
char *endp;
|
||
|
||
errno = 0;
|
||
arg = strtoull(optarg, &endp, 0);
|
||
if (errno != 0 || *endp != '\0') {
|
||
(void) fprintf(stderr, gettext(
|
||
"invalid argument "
|
||
"'%s': expected integer\n"), optarg);
|
||
goto usage;
|
||
}
|
||
|
||
if (c == 't') {
|
||
instrlimit = arg;
|
||
} else {
|
||
ASSERT3U(c, ==, 'm');
|
||
memlimit = arg;
|
||
}
|
||
break;
|
||
}
|
||
case 'n': {
|
||
sync_flag = B_FALSE;
|
||
break;
|
||
}
|
||
case 'j': {
|
||
json_output = B_TRUE;
|
||
break;
|
||
}
|
||
case '?':
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
goto usage;
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
if (argc < 2) {
|
||
(void) fprintf(stderr,
|
||
gettext("invalid number of arguments\n"));
|
||
goto usage;
|
||
}
|
||
|
||
const char *poolname = argv[0];
|
||
const char *filename = argv[1];
|
||
if (strcmp(filename, "-") == 0) {
|
||
fd = 0;
|
||
filename = "standard input";
|
||
} else if ((fd = open(filename, O_RDONLY)) < 0) {
|
||
(void) fprintf(stderr, gettext("cannot open '%s': %s\n"),
|
||
filename, strerror(errno));
|
||
return (1);
|
||
}
|
||
|
||
if ((zhp = zpool_open(g_zfs, poolname)) == NULL) {
|
||
(void) fprintf(stderr, gettext("cannot open pool '%s'\n"),
|
||
poolname);
|
||
if (fd != 0)
|
||
(void) close(fd);
|
||
return (1);
|
||
}
|
||
zpool_close(zhp);
|
||
|
||
/*
|
||
* Read in the channel program, expanding the program buffer as
|
||
* necessary.
|
||
*/
|
||
progread = 0;
|
||
progsize = 1024;
|
||
char *progbuf = safe_malloc(progsize);
|
||
do {
|
||
ret = read(fd, progbuf + progread, progsize - progread);
|
||
progread += ret;
|
||
if (progread == progsize && ret > 0) {
|
||
progsize *= 2;
|
||
progbuf = safe_realloc(progbuf, progsize);
|
||
}
|
||
} while (ret > 0);
|
||
|
||
if (fd != 0)
|
||
(void) close(fd);
|
||
if (ret < 0) {
|
||
free(progbuf);
|
||
(void) fprintf(stderr,
|
||
gettext("cannot read '%s': %s\n"),
|
||
filename, strerror(errno));
|
||
return (1);
|
||
}
|
||
progbuf[progread] = '\0';
|
||
|
||
/*
|
||
* Any remaining arguments are passed as arguments to the lua script as
|
||
* a string array:
|
||
* {
|
||
* "argv" -> [ "arg 1", ... "arg n" ],
|
||
* }
|
||
*/
|
||
nvlist_t *argnvl = fnvlist_alloc();
|
||
fnvlist_add_string_array(argnvl, ZCP_ARG_CLIARGV,
|
||
(const char **)argv + 2, argc - 2);
|
||
|
||
if (sync_flag) {
|
||
ret = lzc_channel_program(poolname, progbuf,
|
||
instrlimit, memlimit, argnvl, &outnvl);
|
||
} else {
|
||
ret = lzc_channel_program_nosync(poolname, progbuf,
|
||
instrlimit, memlimit, argnvl, &outnvl);
|
||
}
|
||
|
||
if (ret != 0) {
|
||
/*
|
||
* On error, report the error message handed back by lua if one
|
||
* exists. Otherwise, generate an appropriate error message,
|
||
* falling back on strerror() for an unexpected return code.
|
||
*/
|
||
const char *errstring = NULL;
|
||
const char *msg = gettext("Channel program execution failed");
|
||
uint64_t instructions = 0;
|
||
if (outnvl != NULL && nvlist_exists(outnvl, ZCP_RET_ERROR)) {
|
||
const char *es = NULL;
|
||
(void) nvlist_lookup_string(outnvl,
|
||
ZCP_RET_ERROR, &es);
|
||
if (es == NULL)
|
||
errstring = strerror(ret);
|
||
else
|
||
errstring = es;
|
||
if (ret == ETIME) {
|
||
(void) nvlist_lookup_uint64(outnvl,
|
||
ZCP_ARG_INSTRLIMIT, &instructions);
|
||
}
|
||
} else {
|
||
switch (ret) {
|
||
case EINVAL:
|
||
errstring =
|
||
"Invalid instruction or memory limit.";
|
||
break;
|
||
case ENOMEM:
|
||
errstring = "Return value too large.";
|
||
break;
|
||
case ENOSPC:
|
||
errstring = "Memory limit exhausted.";
|
||
break;
|
||
case ETIME:
|
||
errstring = "Timed out.";
|
||
break;
|
||
case EPERM:
|
||
errstring = "Permission denied. Channel "
|
||
"programs must be run as root.";
|
||
break;
|
||
default:
|
||
(void) zfs_standard_error(g_zfs, ret, msg);
|
||
}
|
||
}
|
||
if (errstring != NULL)
|
||
(void) fprintf(stderr, "%s:\n%s\n", msg, errstring);
|
||
|
||
if (ret == ETIME && instructions != 0)
|
||
(void) fprintf(stderr,
|
||
gettext("%llu Lua instructions\n"),
|
||
(u_longlong_t)instructions);
|
||
} else {
|
||
if (json_output) {
|
||
(void) nvlist_print_json(stdout, outnvl);
|
||
} else if (nvlist_empty(outnvl)) {
|
||
(void) fprintf(stdout, gettext("Channel program fully "
|
||
"executed and did not produce output.\n"));
|
||
} else {
|
||
(void) fprintf(stdout, gettext("Channel program fully "
|
||
"executed and produced output:\n"));
|
||
dump_nvlist(outnvl, 4);
|
||
}
|
||
}
|
||
|
||
free(progbuf);
|
||
fnvlist_free(outnvl);
|
||
fnvlist_free(argnvl);
|
||
return (ret != 0);
|
||
|
||
usage:
|
||
usage(B_FALSE);
|
||
return (-1);
|
||
}
|
||
|
||
|
||
typedef struct loadkey_cbdata {
|
||
boolean_t cb_loadkey;
|
||
boolean_t cb_recursive;
|
||
boolean_t cb_noop;
|
||
char *cb_keylocation;
|
||
uint64_t cb_numfailed;
|
||
uint64_t cb_numattempted;
|
||
} loadkey_cbdata_t;
|
||
|
||
static int
|
||
load_key_callback(zfs_handle_t *zhp, void *data)
|
||
{
|
||
int ret;
|
||
boolean_t is_encroot;
|
||
loadkey_cbdata_t *cb = data;
|
||
uint64_t keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS);
|
||
|
||
/*
|
||
* If we are working recursively, we want to skip loading / unloading
|
||
* keys for non-encryption roots and datasets whose keys are already
|
||
* in the desired end-state.
|
||
*/
|
||
if (cb->cb_recursive) {
|
||
ret = zfs_crypto_get_encryption_root(zhp, &is_encroot, NULL);
|
||
if (ret != 0)
|
||
return (ret);
|
||
if (!is_encroot)
|
||
return (0);
|
||
|
||
if ((cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_AVAILABLE) ||
|
||
(!cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_UNAVAILABLE))
|
||
return (0);
|
||
}
|
||
|
||
cb->cb_numattempted++;
|
||
|
||
if (cb->cb_loadkey)
|
||
ret = zfs_crypto_load_key(zhp, cb->cb_noop, cb->cb_keylocation);
|
||
else
|
||
ret = zfs_crypto_unload_key(zhp);
|
||
|
||
if (ret != 0) {
|
||
cb->cb_numfailed++;
|
||
return (ret);
|
||
}
|
||
|
||
return (0);
|
||
}
|
||
|
||
static int
|
||
load_unload_keys(int argc, char **argv, boolean_t loadkey)
|
||
{
|
||
int c, ret = 0, flags = 0;
|
||
boolean_t do_all = B_FALSE;
|
||
loadkey_cbdata_t cb = { 0 };
|
||
|
||
cb.cb_loadkey = loadkey;
|
||
|
||
while ((c = getopt(argc, argv, "anrL:")) != -1) {
|
||
/* noop and alternate keylocations only apply to zfs load-key */
|
||
if (loadkey) {
|
||
switch (c) {
|
||
case 'n':
|
||
cb.cb_noop = B_TRUE;
|
||
continue;
|
||
case 'L':
|
||
cb.cb_keylocation = optarg;
|
||
continue;
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
|
||
switch (c) {
|
||
case 'a':
|
||
do_all = B_TRUE;
|
||
cb.cb_recursive = B_TRUE;
|
||
break;
|
||
case 'r':
|
||
flags |= ZFS_ITER_RECURSE;
|
||
cb.cb_recursive = B_TRUE;
|
||
break;
|
||
default:
|
||
(void) fprintf(stderr,
|
||
gettext("invalid option '%c'\n"), optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
if (!do_all && argc == 0) {
|
||
(void) fprintf(stderr,
|
||
gettext("Missing dataset argument or -a option\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
if (do_all && argc != 0) {
|
||
(void) fprintf(stderr,
|
||
gettext("Cannot specify dataset with -a option\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
if (cb.cb_recursive && cb.cb_keylocation != NULL &&
|
||
strcmp(cb.cb_keylocation, "prompt") != 0) {
|
||
(void) fprintf(stderr, gettext("alternate keylocation may only "
|
||
"be 'prompt' with -r or -a\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
ret = zfs_for_each(argc, argv, flags,
|
||
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, NULL, NULL, 0,
|
||
load_key_callback, &cb);
|
||
|
||
if (cb.cb_noop || (cb.cb_recursive && cb.cb_numattempted != 0)) {
|
||
(void) printf(gettext("%llu / %llu key(s) successfully %s\n"),
|
||
(u_longlong_t)(cb.cb_numattempted - cb.cb_numfailed),
|
||
(u_longlong_t)cb.cb_numattempted,
|
||
loadkey ? (cb.cb_noop ? "verified" : "loaded") :
|
||
"unloaded");
|
||
}
|
||
|
||
if (cb.cb_numfailed != 0)
|
||
ret = -1;
|
||
|
||
return (ret);
|
||
}
|
||
|
||
static int
|
||
zfs_do_load_key(int argc, char **argv)
|
||
{
|
||
return (load_unload_keys(argc, argv, B_TRUE));
|
||
}
|
||
|
||
|
||
static int
|
||
zfs_do_unload_key(int argc, char **argv)
|
||
{
|
||
return (load_unload_keys(argc, argv, B_FALSE));
|
||
}
|
||
|
||
static int
|
||
zfs_do_change_key(int argc, char **argv)
|
||
{
|
||
int c, ret;
|
||
uint64_t keystatus;
|
||
boolean_t loadkey = B_FALSE, inheritkey = B_FALSE;
|
||
zfs_handle_t *zhp = NULL;
|
||
nvlist_t *props = fnvlist_alloc();
|
||
|
||
while ((c = getopt(argc, argv, "lio:")) != -1) {
|
||
switch (c) {
|
||
case 'l':
|
||
loadkey = B_TRUE;
|
||
break;
|
||
case 'i':
|
||
inheritkey = B_TRUE;
|
||
break;
|
||
case 'o':
|
||
if (!parseprop(props, optarg)) {
|
||
nvlist_free(props);
|
||
return (1);
|
||
}
|
||
break;
|
||
default:
|
||
(void) fprintf(stderr,
|
||
gettext("invalid option '%c'\n"), optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
if (inheritkey && !nvlist_empty(props)) {
|
||
(void) fprintf(stderr,
|
||
gettext("Properties not allowed for inheriting\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
argc -= optind;
|
||
argv += optind;
|
||
|
||
if (argc < 1) {
|
||
(void) fprintf(stderr, gettext("Missing dataset argument\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
if (argc > 1) {
|
||
(void) fprintf(stderr, gettext("Too many arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
zhp = zfs_open(g_zfs, argv[argc - 1],
|
||
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
|
||
if (zhp == NULL)
|
||
usage(B_FALSE);
|
||
|
||
if (loadkey) {
|
||
keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS);
|
||
if (keystatus != ZFS_KEYSTATUS_AVAILABLE) {
|
||
ret = zfs_crypto_load_key(zhp, B_FALSE, NULL);
|
||
if (ret != 0) {
|
||
nvlist_free(props);
|
||
zfs_close(zhp);
|
||
return (-1);
|
||
}
|
||
}
|
||
|
||
/* refresh the properties so the new keystatus is visible */
|
||
zfs_refresh_properties(zhp);
|
||
}
|
||
|
||
ret = zfs_crypto_rewrap(zhp, props, inheritkey);
|
||
if (ret != 0) {
|
||
nvlist_free(props);
|
||
zfs_close(zhp);
|
||
return (-1);
|
||
}
|
||
|
||
nvlist_free(props);
|
||
zfs_close(zhp);
|
||
return (0);
|
||
}
|
||
|
||
/*
|
||
* 1) zfs project [-d|-r] <file|directory ...>
|
||
* List project ID and inherit flag of file(s) or directories.
|
||
* -d: List the directory itself, not its children.
|
||
* -r: List subdirectories recursively.
|
||
*
|
||
* 2) zfs project -C [-k] [-r] <file|directory ...>
|
||
* Clear project inherit flag and/or ID on the file(s) or directories.
|
||
* -k: Keep the project ID unchanged. If not specified, the project ID
|
||
* will be reset as zero.
|
||
* -r: Clear on subdirectories recursively.
|
||
*
|
||
* 3) zfs project -c [-0] [-d|-r] [-p id] <file|directory ...>
|
||
* Check project ID and inherit flag on the file(s) or directories,
|
||
* report the outliers.
|
||
* -0: Print file name followed by a NUL instead of newline.
|
||
* -d: Check the directory itself, not its children.
|
||
* -p: Specify the referenced ID for comparing with the target file(s)
|
||
* or directories' project IDs. If not specified, the target (top)
|
||
* directory's project ID will be used as the referenced one.
|
||
* -r: Check subdirectories recursively.
|
||
*
|
||
* 4) zfs project [-p id] [-r] [-s] <file|directory ...>
|
||
* Set project ID and/or inherit flag on the file(s) or directories.
|
||
* -p: Set the project ID as the given id.
|
||
* -r: Set on subdirectories recursively. If not specify "-p" option,
|
||
* it will use top-level directory's project ID as the given id,
|
||
* then set both project ID and inherit flag on all descendants
|
||
* of the top-level directory.
|
||
* -s: Set project inherit flag.
|
||
*/
|
||
static int
|
||
zfs_do_project(int argc, char **argv)
|
||
{
|
||
zfs_project_control_t zpc = {
|
||
.zpc_expected_projid = ZFS_INVALID_PROJID,
|
||
.zpc_op = ZFS_PROJECT_OP_DEFAULT,
|
||
.zpc_dironly = B_FALSE,
|
||
.zpc_keep_projid = B_FALSE,
|
||
.zpc_newline = B_TRUE,
|
||
.zpc_recursive = B_FALSE,
|
||
.zpc_set_flag = B_FALSE,
|
||
};
|
||
int ret = 0, c;
|
||
|
||
if (argc < 2)
|
||
usage(B_FALSE);
|
||
|
||
while ((c = getopt(argc, argv, "0Ccdkp:rs")) != -1) {
|
||
switch (c) {
|
||
case '0':
|
||
zpc.zpc_newline = B_FALSE;
|
||
break;
|
||
case 'C':
|
||
if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
|
||
(void) fprintf(stderr, gettext("cannot "
|
||
"specify '-C' '-c' '-s' together\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
zpc.zpc_op = ZFS_PROJECT_OP_CLEAR;
|
||
break;
|
||
case 'c':
|
||
if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
|
||
(void) fprintf(stderr, gettext("cannot "
|
||
"specify '-C' '-c' '-s' together\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
zpc.zpc_op = ZFS_PROJECT_OP_CHECK;
|
||
break;
|
||
case 'd':
|
||
zpc.zpc_dironly = B_TRUE;
|
||
/* overwrite "-r" option */
|
||
zpc.zpc_recursive = B_FALSE;
|
||
break;
|
||
case 'k':
|
||
zpc.zpc_keep_projid = B_TRUE;
|
||
break;
|
||
case 'p': {
|
||
char *endptr;
|
||
|
||
errno = 0;
|
||
zpc.zpc_expected_projid = strtoull(optarg, &endptr, 0);
|
||
if (errno != 0 || *endptr != '\0') {
|
||
(void) fprintf(stderr,
|
||
gettext("project ID must be less than "
|
||
"%u\n"), UINT32_MAX);
|
||
usage(B_FALSE);
|
||
}
|
||
if (zpc.zpc_expected_projid >= UINT32_MAX) {
|
||
(void) fprintf(stderr,
|
||
gettext("invalid project ID\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
break;
|
||
}
|
||
case 'r':
|
||
zpc.zpc_recursive = B_TRUE;
|
||
/* overwrite "-d" option */
|
||
zpc.zpc_dironly = B_FALSE;
|
||
break;
|
||
case 's':
|
||
if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
|
||
(void) fprintf(stderr, gettext("cannot "
|
||
"specify '-C' '-c' '-s' together\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
zpc.zpc_set_flag = B_TRUE;
|
||
zpc.zpc_op = ZFS_PROJECT_OP_SET;
|
||
break;
|
||
default:
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
if (zpc.zpc_op == ZFS_PROJECT_OP_DEFAULT) {
|
||
if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID)
|
||
zpc.zpc_op = ZFS_PROJECT_OP_SET;
|
||
else
|
||
zpc.zpc_op = ZFS_PROJECT_OP_LIST;
|
||
}
|
||
|
||
switch (zpc.zpc_op) {
|
||
case ZFS_PROJECT_OP_LIST:
|
||
if (zpc.zpc_keep_projid) {
|
||
(void) fprintf(stderr,
|
||
gettext("'-k' is only valid together with '-C'\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (!zpc.zpc_newline) {
|
||
(void) fprintf(stderr,
|
||
gettext("'-0' is only valid together with '-c'\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
break;
|
||
case ZFS_PROJECT_OP_CHECK:
|
||
if (zpc.zpc_keep_projid) {
|
||
(void) fprintf(stderr,
|
||
gettext("'-k' is only valid together with '-C'\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
break;
|
||
case ZFS_PROJECT_OP_CLEAR:
|
||
if (zpc.zpc_dironly) {
|
||
(void) fprintf(stderr,
|
||
gettext("'-d' is useless together with '-C'\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (!zpc.zpc_newline) {
|
||
(void) fprintf(stderr,
|
||
gettext("'-0' is only valid together with '-c'\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID) {
|
||
(void) fprintf(stderr,
|
||
gettext("'-p' is useless together with '-C'\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
break;
|
||
case ZFS_PROJECT_OP_SET:
|
||
if (zpc.zpc_dironly) {
|
||
(void) fprintf(stderr,
|
||
gettext("'-d' is useless for set project ID and/or "
|
||
"inherit flag\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (zpc.zpc_keep_projid) {
|
||
(void) fprintf(stderr,
|
||
gettext("'-k' is only valid together with '-C'\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (!zpc.zpc_newline) {
|
||
(void) fprintf(stderr,
|
||
gettext("'-0' is only valid together with '-c'\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
break;
|
||
default:
|
||
ASSERT(0);
|
||
break;
|
||
}
|
||
|
||
argv += optind;
|
||
argc -= optind;
|
||
if (argc == 0) {
|
||
(void) fprintf(stderr,
|
||
gettext("missing file or directory target(s)\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
for (int i = 0; i < argc; i++) {
|
||
int err;
|
||
|
||
err = zfs_project_handle(argv[i], &zpc);
|
||
if (err && !ret)
|
||
ret = err;
|
||
}
|
||
|
||
return (ret);
|
||
}
|
||
|
||
static int
|
||
zfs_do_wait(int argc, char **argv)
|
||
{
|
||
boolean_t enabled[ZFS_WAIT_NUM_ACTIVITIES];
|
||
int error = 0, i;
|
||
int c;
|
||
|
||
/* By default, wait for all types of activity. */
|
||
for (i = 0; i < ZFS_WAIT_NUM_ACTIVITIES; i++)
|
||
enabled[i] = B_TRUE;
|
||
|
||
while ((c = getopt(argc, argv, "t:")) != -1) {
|
||
switch (c) {
|
||
case 't':
|
||
/* Reset activities array */
|
||
memset(&enabled, 0, sizeof (enabled));
|
||
|
||
for (char *tok; (tok = strsep(&optarg, ",")); ) {
|
||
static const char *const col_subopts[
|
||
ZFS_WAIT_NUM_ACTIVITIES] = { "deleteq" };
|
||
|
||
for (i = 0; i < ARRAY_SIZE(col_subopts); ++i)
|
||
if (strcmp(tok, col_subopts[i]) == 0) {
|
||
enabled[i] = B_TRUE;
|
||
goto found;
|
||
}
|
||
|
||
(void) fprintf(stderr,
|
||
gettext("invalid activity '%s'\n"), tok);
|
||
usage(B_FALSE);
|
||
found:;
|
||
}
|
||
break;
|
||
case '?':
|
||
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
||
optopt);
|
||
usage(B_FALSE);
|
||
}
|
||
}
|
||
|
||
argv += optind;
|
||
argc -= optind;
|
||
if (argc < 1) {
|
||
(void) fprintf(stderr, gettext("missing 'filesystem' "
|
||
"argument\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (argc > 1) {
|
||
(void) fprintf(stderr, gettext("too many arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
zfs_handle_t *zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM);
|
||
if (zhp == NULL)
|
||
return (1);
|
||
|
||
for (;;) {
|
||
boolean_t missing = B_FALSE;
|
||
boolean_t any_waited = B_FALSE;
|
||
|
||
for (int i = 0; i < ZFS_WAIT_NUM_ACTIVITIES; i++) {
|
||
boolean_t waited;
|
||
|
||
if (!enabled[i])
|
||
continue;
|
||
|
||
error = zfs_wait_status(zhp, i, &missing, &waited);
|
||
if (error != 0 || missing)
|
||
break;
|
||
|
||
any_waited = (any_waited || waited);
|
||
}
|
||
|
||
if (error != 0 || missing || !any_waited)
|
||
break;
|
||
}
|
||
|
||
zfs_close(zhp);
|
||
|
||
return (error);
|
||
}
|
||
|
||
/*
|
||
* Display version message
|
||
*/
|
||
static int
|
||
zfs_do_version(int argc, char **argv)
|
||
{
|
||
(void) argc, (void) argv;
|
||
return (zfs_version_print() != 0);
|
||
}
|
||
|
||
/* Display documentation */
|
||
static int
|
||
zfs_do_help(int argc, char **argv)
|
||
{
|
||
char page[MAXNAMELEN];
|
||
if (argc < 3 || strcmp(argv[2], "zfs") == 0)
|
||
strcpy(page, "zfs");
|
||
else if (strcmp(argv[2], "concepts") == 0 ||
|
||
strcmp(argv[2], "props") == 0)
|
||
snprintf(page, sizeof (page), "zfs%s", argv[2]);
|
||
else
|
||
snprintf(page, sizeof (page), "zfs-%s", argv[2]);
|
||
|
||
execlp("man", "man", page, NULL);
|
||
|
||
fprintf(stderr, "couldn't run man program: %s", strerror(errno));
|
||
return (-1);
|
||
}
|
||
|
||
int
|
||
main(int argc, char **argv)
|
||
{
|
||
int ret = 0;
|
||
int i = 0;
|
||
const char *cmdname;
|
||
char **newargv;
|
||
|
||
(void) setlocale(LC_ALL, "");
|
||
(void) setlocale(LC_NUMERIC, "C");
|
||
(void) textdomain(TEXT_DOMAIN);
|
||
|
||
opterr = 0;
|
||
|
||
/*
|
||
* Make sure the user has specified some command.
|
||
*/
|
||
if (argc < 2) {
|
||
(void) fprintf(stderr, gettext("missing command\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
cmdname = argv[1];
|
||
|
||
/*
|
||
* The 'umount' command is an alias for 'unmount'
|
||
*/
|
||
if (strcmp(cmdname, "umount") == 0)
|
||
cmdname = "unmount";
|
||
|
||
/*
|
||
* The 'recv' command is an alias for 'receive'
|
||
*/
|
||
if (strcmp(cmdname, "recv") == 0)
|
||
cmdname = "receive";
|
||
|
||
/*
|
||
* The 'snap' command is an alias for 'snapshot'
|
||
*/
|
||
if (strcmp(cmdname, "snap") == 0)
|
||
cmdname = "snapshot";
|
||
|
||
/*
|
||
* Special case '-?'
|
||
*/
|
||
if ((strcmp(cmdname, "-?") == 0) ||
|
||
(strcmp(cmdname, "--help") == 0))
|
||
usage(B_TRUE);
|
||
|
||
/*
|
||
* Special case '-V|--version'
|
||
*/
|
||
if ((strcmp(cmdname, "-V") == 0) || (strcmp(cmdname, "--version") == 0))
|
||
return (zfs_do_version(argc, argv));
|
||
|
||
/*
|
||
* Special case 'help'
|
||
*/
|
||
if (strcmp(cmdname, "help") == 0)
|
||
return (zfs_do_help(argc, argv));
|
||
|
||
if ((g_zfs = libzfs_init()) == NULL) {
|
||
(void) fprintf(stderr, "%s\n", libzfs_error_init(errno));
|
||
return (1);
|
||
}
|
||
|
||
zfs_save_arguments(argc, argv, history_str, sizeof (history_str));
|
||
|
||
libzfs_print_on_error(g_zfs, B_TRUE);
|
||
|
||
zfs_setproctitle_init(argc, argv, environ);
|
||
|
||
/*
|
||
* Many commands modify input strings for string parsing reasons.
|
||
* We create a copy to protect the original argv.
|
||
*/
|
||
newargv = safe_malloc((argc + 1) * sizeof (newargv[0]));
|
||
for (i = 0; i < argc; i++)
|
||
newargv[i] = strdup(argv[i]);
|
||
newargv[argc] = NULL;
|
||
|
||
/*
|
||
* Run the appropriate command.
|
||
*/
|
||
libzfs_mnttab_cache(g_zfs, B_TRUE);
|
||
if (find_command_idx(cmdname, &i) == 0) {
|
||
current_command = &command_table[i];
|
||
ret = command_table[i].func(argc - 1, newargv + 1);
|
||
} else if (strchr(cmdname, '=') != NULL) {
|
||
verify(find_command_idx("set", &i) == 0);
|
||
current_command = &command_table[i];
|
||
ret = command_table[i].func(argc, newargv);
|
||
} else {
|
||
(void) fprintf(stderr, gettext("unrecognized "
|
||
"command '%s'\n"), cmdname);
|
||
usage(B_FALSE);
|
||
ret = 1;
|
||
}
|
||
|
||
for (i = 0; i < argc; i++)
|
||
free(newargv[i]);
|
||
free(newargv);
|
||
|
||
if (ret == 0 && log_history)
|
||
(void) zpool_log_history(g_zfs, history_str);
|
||
|
||
libzfs_fini(g_zfs);
|
||
|
||
/*
|
||
* The 'ZFS_ABORT' environment variable causes us to dump core on exit
|
||
* for the purposes of running ::findleaks.
|
||
*/
|
||
if (getenv("ZFS_ABORT") != NULL) {
|
||
(void) printf("dumping core by request\n");
|
||
abort();
|
||
}
|
||
|
||
return (ret);
|
||
}
|
||
|
||
/*
|
||
* zfs zone nsfile filesystem
|
||
*
|
||
* Add or delete the given dataset to/from the namespace.
|
||
*/
|
||
#ifdef __linux__
|
||
static int
|
||
zfs_do_zone_impl(int argc, char **argv, boolean_t attach)
|
||
{
|
||
zfs_handle_t *zhp;
|
||
int ret;
|
||
|
||
if (argc < 3) {
|
||
(void) fprintf(stderr, gettext("missing argument(s)\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (argc > 3) {
|
||
(void) fprintf(stderr, gettext("too many arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
zhp = zfs_open(g_zfs, argv[2], ZFS_TYPE_FILESYSTEM);
|
||
if (zhp == NULL)
|
||
return (1);
|
||
|
||
ret = (zfs_userns(zhp, argv[1], attach) != 0);
|
||
|
||
zfs_close(zhp);
|
||
return (ret);
|
||
}
|
||
|
||
static int
|
||
zfs_do_zone(int argc, char **argv)
|
||
{
|
||
return (zfs_do_zone_impl(argc, argv, B_TRUE));
|
||
}
|
||
|
||
static int
|
||
zfs_do_unzone(int argc, char **argv)
|
||
{
|
||
return (zfs_do_zone_impl(argc, argv, B_FALSE));
|
||
}
|
||
#endif
|
||
|
||
#ifdef __FreeBSD__
|
||
#include <sys/jail.h>
|
||
#include <jail.h>
|
||
/*
|
||
* Attach/detach the given dataset to/from the given jail
|
||
*/
|
||
static int
|
||
zfs_do_jail_impl(int argc, char **argv, boolean_t attach)
|
||
{
|
||
zfs_handle_t *zhp;
|
||
int jailid, ret;
|
||
|
||
/* check number of arguments */
|
||
if (argc < 3) {
|
||
(void) fprintf(stderr, gettext("missing argument(s)\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
if (argc > 3) {
|
||
(void) fprintf(stderr, gettext("too many arguments\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
jailid = jail_getid(argv[1]);
|
||
if (jailid < 0) {
|
||
(void) fprintf(stderr, gettext("invalid jail id or name\n"));
|
||
usage(B_FALSE);
|
||
}
|
||
|
||
zhp = zfs_open(g_zfs, argv[2], ZFS_TYPE_FILESYSTEM);
|
||
if (zhp == NULL)
|
||
return (1);
|
||
|
||
ret = (zfs_jail(zhp, jailid, attach) != 0);
|
||
|
||
zfs_close(zhp);
|
||
return (ret);
|
||
}
|
||
|
||
/*
|
||
* zfs jail jailid filesystem
|
||
*
|
||
* Attach the given dataset to the given jail
|
||
*/
|
||
static int
|
||
zfs_do_jail(int argc, char **argv)
|
||
{
|
||
return (zfs_do_jail_impl(argc, argv, B_TRUE));
|
||
}
|
||
|
||
/*
|
||
* zfs unjail jailid filesystem
|
||
*
|
||
* Detach the given dataset from the given jail
|
||
*/
|
||
static int
|
||
zfs_do_unjail(int argc, char **argv)
|
||
{
|
||
return (zfs_do_jail_impl(argc, argv, B_FALSE));
|
||
}
|
||
#endif
|