libzfs_dataset.c revision 339119
1168404Spjd/* 2168404Spjd * CDDL HEADER START 3168404Spjd * 4168404Spjd * The contents of this file are subject to the terms of the 5168404Spjd * Common Development and Distribution License (the "License"). 6168404Spjd * You may not use this file except in compliance with the License. 7168404Spjd * 8168404Spjd * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9168404Spjd * or http://www.opensolaris.org/os/licensing. 10168404Spjd * See the License for the specific language governing permissions 11168404Spjd * and limitations under the License. 12168404Spjd * 13168404Spjd * When distributing Covered Code, include this CDDL HEADER in each 14168404Spjd * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15168404Spjd * If applicable, add the following below this CDDL HEADER, with the 16168404Spjd * fields enclosed by brackets "[]" replaced with your own identifying 17168404Spjd * information: Portions Copyright [yyyy] [name of copyright owner] 18168404Spjd * 19168404Spjd * CDDL HEADER END 20168404Spjd */ 21168404Spjd 22168404Spjd/* 23219089Spjd * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24339103Smav * Copyright (c) 2018, Joyent, Inc. All rights reserved. 25325139Savg * Copyright (c) 2011, 2016 by Delphix. All rights reserved. 26252219Sdelphij * Copyright (c) 2012 DEY Storage Systems, Inc. All rights reserved. 27307046Smav * Copyright (c) 2011-2012 Pawel Jakub Dawidek. All rights reserved. 28307046Smav * Copyright (c) 2013 Martin Matuska. All rights reserved. 29251646Sdelphij * Copyright (c) 2013 Steven Hartland. All rights reserved. 30296519Smav * Copyright (c) 2014 Integros [integros.com] 31307050Smav * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com> 32329489Smav * Copyright 2017 Nexenta Systems, Inc. 33321577Smav * Copyright 2017 RackTop Systems. 34168404Spjd */ 35168404Spjd 36168404Spjd#include <ctype.h> 37168404Spjd#include <errno.h> 38168404Spjd#include <libintl.h> 39168404Spjd#include <math.h> 40168404Spjd#include <stdio.h> 41168404Spjd#include <stdlib.h> 42168404Spjd#include <strings.h> 43168404Spjd#include <unistd.h> 44185029Spjd#include <stddef.h> 45168404Spjd#include <zone.h> 46168404Spjd#include <fcntl.h> 47168404Spjd#include <sys/mntent.h> 48168404Spjd#include <sys/mount.h> 49185029Spjd#include <priv.h> 50185029Spjd#include <pwd.h> 51185029Spjd#include <grp.h> 52185029Spjd#include <stddef.h> 53339118Smav#ifdef illumos 54209962Smm#include <idmap.h> 55339118Smav#endif 56168404Spjd 57219089Spjd#include <sys/dnode.h> 58168404Spjd#include <sys/spa.h> 59168404Spjd#include <sys/zap.h> 60209962Smm#include <sys/misc.h> 61168404Spjd#include <libzfs.h> 62168404Spjd 63168404Spjd#include "zfs_namecheck.h" 64168404Spjd#include "zfs_prop.h" 65168404Spjd#include "libzfs_impl.h" 66185029Spjd#include "zfs_deleg.h" 67168404Spjd 68209962Smmstatic int userquota_propname_decode(const char *propname, boolean_t zoned, 69209962Smm zfs_userquota_prop_t *typep, char *domain, int domainlen, uint64_t *ridp); 70168676Spjd 71168404Spjd/* 72168404Spjd * Given a single type (not a mask of types), return the type in a human 73168404Spjd * readable form. 74168404Spjd */ 75168404Spjdconst char * 76168404Spjdzfs_type_to_name(zfs_type_t type) 77168404Spjd{ 78168404Spjd switch (type) { 79168404Spjd case ZFS_TYPE_FILESYSTEM: 80168404Spjd return (dgettext(TEXT_DOMAIN, "filesystem")); 81168404Spjd case ZFS_TYPE_SNAPSHOT: 82168404Spjd return (dgettext(TEXT_DOMAIN, "snapshot")); 83168404Spjd case ZFS_TYPE_VOLUME: 84168404Spjd return (dgettext(TEXT_DOMAIN, "volume")); 85307050Smav case ZFS_TYPE_POOL: 86307050Smav return (dgettext(TEXT_DOMAIN, "pool")); 87307050Smav case ZFS_TYPE_BOOKMARK: 88307050Smav return (dgettext(TEXT_DOMAIN, "bookmark")); 89307050Smav default: 90307050Smav assert(!"unhandled zfs_type_t"); 91168404Spjd } 92168404Spjd 93168404Spjd return (NULL); 94168404Spjd} 95168404Spjd 96168404Spjd/* 97168404Spjd * Validate a ZFS path. This is used even before trying to open the dataset, to 98209962Smm * provide a more meaningful error message. We call zfs_error_aux() to 99209962Smm * explain exactly why the name was not valid. 100168404Spjd */ 101219089Spjdint 102185029Spjdzfs_validate_name(libzfs_handle_t *hdl, const char *path, int type, 103185029Spjd boolean_t modifying) 104168404Spjd{ 105168404Spjd namecheck_err_t why; 106168404Spjd char what; 107168404Spjd 108321534Smav if (entity_namecheck(path, &why, &what) != 0) { 109168404Spjd if (hdl != NULL) { 110168404Spjd switch (why) { 111168404Spjd case NAME_ERR_TOOLONG: 112168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 113168404Spjd "name is too long")); 114168404Spjd break; 115168404Spjd 116168404Spjd case NAME_ERR_LEADING_SLASH: 117168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 118168404Spjd "leading slash in name")); 119168404Spjd break; 120168404Spjd 121168404Spjd case NAME_ERR_EMPTY_COMPONENT: 122168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 123168404Spjd "empty component in name")); 124168404Spjd break; 125168404Spjd 126168404Spjd case NAME_ERR_TRAILING_SLASH: 127168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 128168404Spjd "trailing slash in name")); 129168404Spjd break; 130168404Spjd 131168404Spjd case NAME_ERR_INVALCHAR: 132168404Spjd zfs_error_aux(hdl, 133168404Spjd dgettext(TEXT_DOMAIN, "invalid character " 134168404Spjd "'%c' in name"), what); 135168404Spjd break; 136168404Spjd 137321534Smav case NAME_ERR_MULTIPLE_DELIMITERS: 138168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 139321534Smav "multiple '@' and/or '#' delimiters in " 140321534Smav "name")); 141168404Spjd break; 142168404Spjd 143168404Spjd case NAME_ERR_NOLETTER: 144168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 145168404Spjd "pool doesn't begin with a letter")); 146168404Spjd break; 147168404Spjd 148168404Spjd case NAME_ERR_RESERVED: 149168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 150168404Spjd "name is reserved")); 151168404Spjd break; 152168404Spjd 153168404Spjd case NAME_ERR_DISKLIKE: 154168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 155168404Spjd "reserved disk name")); 156168404Spjd break; 157307050Smav 158307050Smav default: 159307050Smav zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 160307050Smav "(%d) not defined"), why); 161307050Smav break; 162168404Spjd } 163168404Spjd } 164168404Spjd 165168404Spjd return (0); 166168404Spjd } 167168404Spjd 168168404Spjd if (!(type & ZFS_TYPE_SNAPSHOT) && strchr(path, '@') != NULL) { 169168404Spjd if (hdl != NULL) 170168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 171321534Smav "snapshot delimiter '@' is not expected here")); 172168404Spjd return (0); 173168404Spjd } 174168404Spjd 175168404Spjd if (type == ZFS_TYPE_SNAPSHOT && strchr(path, '@') == NULL) { 176168404Spjd if (hdl != NULL) 177168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 178168404Spjd "missing '@' delimiter in snapshot name")); 179168404Spjd return (0); 180168404Spjd } 181168404Spjd 182321534Smav if (!(type & ZFS_TYPE_BOOKMARK) && strchr(path, '#') != NULL) { 183321534Smav if (hdl != NULL) 184321534Smav zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 185321534Smav "bookmark delimiter '#' is not expected here")); 186321534Smav return (0); 187321534Smav } 188321534Smav 189321534Smav if (type == ZFS_TYPE_BOOKMARK && strchr(path, '#') == NULL) { 190321534Smav if (hdl != NULL) 191321534Smav zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 192321534Smav "missing '#' delimiter in bookmark name")); 193321534Smav return (0); 194321534Smav } 195321534Smav 196185029Spjd if (modifying && strchr(path, '%') != NULL) { 197185029Spjd if (hdl != NULL) 198185029Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 199185029Spjd "invalid character %c in name"), '%'); 200185029Spjd return (0); 201185029Spjd } 202185029Spjd 203168404Spjd return (-1); 204168404Spjd} 205168404Spjd 206168404Spjdint 207168404Spjdzfs_name_valid(const char *name, zfs_type_t type) 208168404Spjd{ 209185029Spjd if (type == ZFS_TYPE_POOL) 210185029Spjd return (zpool_name_valid(NULL, B_FALSE, name)); 211185029Spjd return (zfs_validate_name(NULL, name, type, B_FALSE)); 212168404Spjd} 213168404Spjd 214168404Spjd/* 215168404Spjd * This function takes the raw DSL properties, and filters out the user-defined 216168404Spjd * properties into a separate nvlist. 217168404Spjd */ 218185029Spjdstatic nvlist_t * 219185029Spjdprocess_user_props(zfs_handle_t *zhp, nvlist_t *props) 220168404Spjd{ 221168404Spjd libzfs_handle_t *hdl = zhp->zfs_hdl; 222168404Spjd nvpair_t *elem; 223168404Spjd nvlist_t *propval; 224185029Spjd nvlist_t *nvl; 225168404Spjd 226185029Spjd if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) { 227185029Spjd (void) no_memory(hdl); 228185029Spjd return (NULL); 229185029Spjd } 230168404Spjd 231168404Spjd elem = NULL; 232185029Spjd while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { 233168404Spjd if (!zfs_prop_user(nvpair_name(elem))) 234168404Spjd continue; 235168404Spjd 236168404Spjd verify(nvpair_value_nvlist(elem, &propval) == 0); 237185029Spjd if (nvlist_add_nvlist(nvl, nvpair_name(elem), propval) != 0) { 238185029Spjd nvlist_free(nvl); 239185029Spjd (void) no_memory(hdl); 240185029Spjd return (NULL); 241185029Spjd } 242168404Spjd } 243168404Spjd 244185029Spjd return (nvl); 245168404Spjd} 246168404Spjd 247185029Spjdstatic zpool_handle_t * 248185029Spjdzpool_add_handle(zfs_handle_t *zhp, const char *pool_name) 249185029Spjd{ 250185029Spjd libzfs_handle_t *hdl = zhp->zfs_hdl; 251185029Spjd zpool_handle_t *zph; 252185029Spjd 253185029Spjd if ((zph = zpool_open_canfail(hdl, pool_name)) != NULL) { 254185029Spjd if (hdl->libzfs_pool_handles != NULL) 255185029Spjd zph->zpool_next = hdl->libzfs_pool_handles; 256185029Spjd hdl->libzfs_pool_handles = zph; 257185029Spjd } 258185029Spjd return (zph); 259185029Spjd} 260185029Spjd 261185029Spjdstatic zpool_handle_t * 262185029Spjdzpool_find_handle(zfs_handle_t *zhp, const char *pool_name, int len) 263185029Spjd{ 264185029Spjd libzfs_handle_t *hdl = zhp->zfs_hdl; 265185029Spjd zpool_handle_t *zph = hdl->libzfs_pool_handles; 266185029Spjd 267185029Spjd while ((zph != NULL) && 268185029Spjd (strncmp(pool_name, zpool_get_name(zph), len) != 0)) 269185029Spjd zph = zph->zpool_next; 270185029Spjd return (zph); 271185029Spjd} 272185029Spjd 273168404Spjd/* 274185029Spjd * Returns a handle to the pool that contains the provided dataset. 275185029Spjd * If a handle to that pool already exists then that handle is returned. 276185029Spjd * Otherwise, a new handle is created and added to the list of handles. 277185029Spjd */ 278185029Spjdstatic zpool_handle_t * 279185029Spjdzpool_handle(zfs_handle_t *zhp) 280185029Spjd{ 281185029Spjd char *pool_name; 282185029Spjd int len; 283185029Spjd zpool_handle_t *zph; 284185029Spjd 285260183Sdelphij len = strcspn(zhp->zfs_name, "/@#") + 1; 286185029Spjd pool_name = zfs_alloc(zhp->zfs_hdl, len); 287185029Spjd (void) strlcpy(pool_name, zhp->zfs_name, len); 288185029Spjd 289185029Spjd zph = zpool_find_handle(zhp, pool_name, len); 290185029Spjd if (zph == NULL) 291185029Spjd zph = zpool_add_handle(zhp, pool_name); 292185029Spjd 293185029Spjd free(pool_name); 294185029Spjd return (zph); 295185029Spjd} 296185029Spjd 297185029Spjdvoid 298185029Spjdzpool_free_handles(libzfs_handle_t *hdl) 299185029Spjd{ 300185029Spjd zpool_handle_t *next, *zph = hdl->libzfs_pool_handles; 301185029Spjd 302185029Spjd while (zph != NULL) { 303185029Spjd next = zph->zpool_next; 304185029Spjd zpool_close(zph); 305185029Spjd zph = next; 306185029Spjd } 307185029Spjd hdl->libzfs_pool_handles = NULL; 308185029Spjd} 309185029Spjd 310185029Spjd/* 311168404Spjd * Utility function to gather stats (objset and zpl) for the given object. 312168404Spjd */ 313219089Spjdstatic int 314209962Smmget_stats_ioctl(zfs_handle_t *zhp, zfs_cmd_t *zc) 315168404Spjd{ 316168404Spjd libzfs_handle_t *hdl = zhp->zfs_hdl; 317168404Spjd 318209962Smm (void) strlcpy(zc->zc_name, zhp->zfs_name, sizeof (zc->zc_name)); 319168404Spjd 320209962Smm while (ioctl(hdl->libzfs_fd, ZFS_IOC_OBJSET_STATS, zc) != 0) { 321168404Spjd if (errno == ENOMEM) { 322209962Smm if (zcmd_expand_dst_nvlist(hdl, zc) != 0) { 323168404Spjd return (-1); 324168404Spjd } 325168404Spjd } else { 326168404Spjd return (-1); 327168404Spjd } 328168404Spjd } 329209962Smm return (0); 330209962Smm} 331168404Spjd 332219089Spjd/* 333219089Spjd * Utility function to get the received properties of the given object. 334219089Spjd */ 335209962Smmstatic int 336219089Spjdget_recvd_props_ioctl(zfs_handle_t *zhp) 337219089Spjd{ 338219089Spjd libzfs_handle_t *hdl = zhp->zfs_hdl; 339219089Spjd nvlist_t *recvdprops; 340219089Spjd zfs_cmd_t zc = { 0 }; 341219089Spjd int err; 342219089Spjd 343219089Spjd if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) 344219089Spjd return (-1); 345219089Spjd 346219089Spjd (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); 347219089Spjd 348219089Spjd while (ioctl(hdl->libzfs_fd, ZFS_IOC_OBJSET_RECVD_PROPS, &zc) != 0) { 349219089Spjd if (errno == ENOMEM) { 350219089Spjd if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { 351219089Spjd return (-1); 352219089Spjd } 353219089Spjd } else { 354219089Spjd zcmd_free_nvlists(&zc); 355219089Spjd return (-1); 356219089Spjd } 357219089Spjd } 358219089Spjd 359219089Spjd err = zcmd_read_dst_nvlist(zhp->zfs_hdl, &zc, &recvdprops); 360219089Spjd zcmd_free_nvlists(&zc); 361219089Spjd if (err != 0) 362219089Spjd return (-1); 363219089Spjd 364219089Spjd nvlist_free(zhp->zfs_recvd_props); 365219089Spjd zhp->zfs_recvd_props = recvdprops; 366219089Spjd 367219089Spjd return (0); 368219089Spjd} 369219089Spjd 370219089Spjdstatic int 371209962Smmput_stats_zhdl(zfs_handle_t *zhp, zfs_cmd_t *zc) 372209962Smm{ 373209962Smm nvlist_t *allprops, *userprops; 374168404Spjd 375209962Smm zhp->zfs_dmustats = zc->zc_objset_stats; /* structure assignment */ 376209962Smm 377209962Smm if (zcmd_read_dst_nvlist(zhp->zfs_hdl, zc, &allprops) != 0) { 378168404Spjd return (-1); 379168404Spjd } 380168404Spjd 381209962Smm /* 382209962Smm * XXX Why do we store the user props separately, in addition to 383209962Smm * storing them in zfs_props? 384209962Smm */ 385185029Spjd if ((userprops = process_user_props(zhp, allprops)) == NULL) { 386185029Spjd nvlist_free(allprops); 387168404Spjd return (-1); 388185029Spjd } 389168404Spjd 390185029Spjd nvlist_free(zhp->zfs_props); 391185029Spjd nvlist_free(zhp->zfs_user_props); 392185029Spjd 393185029Spjd zhp->zfs_props = allprops; 394185029Spjd zhp->zfs_user_props = userprops; 395185029Spjd 396168404Spjd return (0); 397168404Spjd} 398168404Spjd 399209962Smmstatic int 400209962Smmget_stats(zfs_handle_t *zhp) 401209962Smm{ 402209962Smm int rc = 0; 403209962Smm zfs_cmd_t zc = { 0 }; 404209962Smm 405209962Smm if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0) 406209962Smm return (-1); 407209962Smm if (get_stats_ioctl(zhp, &zc) != 0) 408209962Smm rc = -1; 409209962Smm else if (put_stats_zhdl(zhp, &zc) != 0) 410209962Smm rc = -1; 411209962Smm zcmd_free_nvlists(&zc); 412209962Smm return (rc); 413209962Smm} 414209962Smm 415168404Spjd/* 416168404Spjd * Refresh the properties currently stored in the handle. 417168404Spjd */ 418168404Spjdvoid 419168404Spjdzfs_refresh_properties(zfs_handle_t *zhp) 420168404Spjd{ 421168404Spjd (void) get_stats(zhp); 422168404Spjd} 423168404Spjd 424168404Spjd/* 425168404Spjd * Makes a handle from the given dataset name. Used by zfs_open() and 426168404Spjd * zfs_iter_* to create child handles on the fly. 427168404Spjd */ 428209962Smmstatic int 429209962Smmmake_dataset_handle_common(zfs_handle_t *zhp, zfs_cmd_t *zc) 430168404Spjd{ 431219089Spjd if (put_stats_zhdl(zhp, zc) != 0) 432209962Smm return (-1); 433168404Spjd 434168404Spjd /* 435168404Spjd * We've managed to open the dataset and gather statistics. Determine 436168404Spjd * the high-level type. 437168404Spjd */ 438168404Spjd if (zhp->zfs_dmustats.dds_type == DMU_OST_ZVOL) 439168404Spjd zhp->zfs_head_type = ZFS_TYPE_VOLUME; 440168404Spjd else if (zhp->zfs_dmustats.dds_type == DMU_OST_ZFS) 441168404Spjd zhp->zfs_head_type = ZFS_TYPE_FILESYSTEM; 442168404Spjd else 443168404Spjd abort(); 444168404Spjd 445168404Spjd if (zhp->zfs_dmustats.dds_is_snapshot) 446168404Spjd zhp->zfs_type = ZFS_TYPE_SNAPSHOT; 447168404Spjd else if (zhp->zfs_dmustats.dds_type == DMU_OST_ZVOL) 448168404Spjd zhp->zfs_type = ZFS_TYPE_VOLUME; 449168404Spjd else if (zhp->zfs_dmustats.dds_type == DMU_OST_ZFS) 450168404Spjd zhp->zfs_type = ZFS_TYPE_FILESYSTEM; 451168404Spjd else 452168404Spjd abort(); /* we should never see any other types */ 453168404Spjd 454219089Spjd if ((zhp->zpool_hdl = zpool_handle(zhp)) == NULL) 455219089Spjd return (-1); 456219089Spjd 457209962Smm return (0); 458209962Smm} 459209962Smm 460209962Smmzfs_handle_t * 461209962Smmmake_dataset_handle(libzfs_handle_t *hdl, const char *path) 462209962Smm{ 463209962Smm zfs_cmd_t zc = { 0 }; 464209962Smm 465209962Smm zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1); 466209962Smm 467209962Smm if (zhp == NULL) 468209962Smm return (NULL); 469209962Smm 470209962Smm zhp->zfs_hdl = hdl; 471209962Smm (void) strlcpy(zhp->zfs_name, path, sizeof (zhp->zfs_name)); 472209962Smm if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) { 473209962Smm free(zhp); 474209962Smm return (NULL); 475209962Smm } 476209962Smm if (get_stats_ioctl(zhp, &zc) == -1) { 477209962Smm zcmd_free_nvlists(&zc); 478209962Smm free(zhp); 479209962Smm return (NULL); 480209962Smm } 481209962Smm if (make_dataset_handle_common(zhp, &zc) == -1) { 482209962Smm free(zhp); 483209962Smm zhp = NULL; 484209962Smm } 485209962Smm zcmd_free_nvlists(&zc); 486168404Spjd return (zhp); 487168404Spjd} 488168404Spjd 489228103Smmzfs_handle_t * 490209962Smmmake_dataset_handle_zc(libzfs_handle_t *hdl, zfs_cmd_t *zc) 491209962Smm{ 492209962Smm zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1); 493209962Smm 494209962Smm if (zhp == NULL) 495209962Smm return (NULL); 496209962Smm 497209962Smm zhp->zfs_hdl = hdl; 498209962Smm (void) strlcpy(zhp->zfs_name, zc->zc_name, sizeof (zhp->zfs_name)); 499209962Smm if (make_dataset_handle_common(zhp, zc) == -1) { 500209962Smm free(zhp); 501209962Smm return (NULL); 502209962Smm } 503209962Smm return (zhp); 504209962Smm} 505209962Smm 506228103Smmzfs_handle_t * 507230438Spjdmake_dataset_simple_handle_zc(zfs_handle_t *pzhp, zfs_cmd_t *zc) 508230438Spjd{ 509230438Spjd zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1); 510230438Spjd 511230438Spjd if (zhp == NULL) 512230438Spjd return (NULL); 513230438Spjd 514230438Spjd zhp->zfs_hdl = pzhp->zfs_hdl; 515230438Spjd (void) strlcpy(zhp->zfs_name, zc->zc_name, sizeof (zhp->zfs_name)); 516230438Spjd zhp->zfs_head_type = pzhp->zfs_type; 517230438Spjd zhp->zfs_type = ZFS_TYPE_SNAPSHOT; 518230438Spjd zhp->zpool_hdl = zpool_handle(zhp); 519230438Spjd return (zhp); 520230438Spjd} 521230438Spjd 522230438Spjdzfs_handle_t * 523228103Smmzfs_handle_dup(zfs_handle_t *zhp_orig) 524228103Smm{ 525228103Smm zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1); 526228103Smm 527228103Smm if (zhp == NULL) 528228103Smm return (NULL); 529228103Smm 530228103Smm zhp->zfs_hdl = zhp_orig->zfs_hdl; 531228103Smm zhp->zpool_hdl = zhp_orig->zpool_hdl; 532228103Smm (void) strlcpy(zhp->zfs_name, zhp_orig->zfs_name, 533228103Smm sizeof (zhp->zfs_name)); 534228103Smm zhp->zfs_type = zhp_orig->zfs_type; 535228103Smm zhp->zfs_head_type = zhp_orig->zfs_head_type; 536228103Smm zhp->zfs_dmustats = zhp_orig->zfs_dmustats; 537228103Smm if (zhp_orig->zfs_props != NULL) { 538228103Smm if (nvlist_dup(zhp_orig->zfs_props, &zhp->zfs_props, 0) != 0) { 539228103Smm (void) no_memory(zhp->zfs_hdl); 540228103Smm zfs_close(zhp); 541228103Smm return (NULL); 542228103Smm } 543228103Smm } 544228103Smm if (zhp_orig->zfs_user_props != NULL) { 545228103Smm if (nvlist_dup(zhp_orig->zfs_user_props, 546228103Smm &zhp->zfs_user_props, 0) != 0) { 547228103Smm (void) no_memory(zhp->zfs_hdl); 548228103Smm zfs_close(zhp); 549228103Smm return (NULL); 550228103Smm } 551228103Smm } 552228103Smm if (zhp_orig->zfs_recvd_props != NULL) { 553228103Smm if (nvlist_dup(zhp_orig->zfs_recvd_props, 554228103Smm &zhp->zfs_recvd_props, 0)) { 555228103Smm (void) no_memory(zhp->zfs_hdl); 556228103Smm zfs_close(zhp); 557228103Smm return (NULL); 558228103Smm } 559228103Smm } 560228103Smm zhp->zfs_mntcheck = zhp_orig->zfs_mntcheck; 561228103Smm if (zhp_orig->zfs_mntopts != NULL) { 562228103Smm zhp->zfs_mntopts = zfs_strdup(zhp_orig->zfs_hdl, 563228103Smm zhp_orig->zfs_mntopts); 564228103Smm } 565228103Smm zhp->zfs_props_table = zhp_orig->zfs_props_table; 566228103Smm return (zhp); 567228103Smm} 568228103Smm 569260183Sdelphijboolean_t 570260183Sdelphijzfs_bookmark_exists(const char *path) 571260183Sdelphij{ 572260183Sdelphij nvlist_t *bmarks; 573260183Sdelphij nvlist_t *props; 574307108Smav char fsname[ZFS_MAX_DATASET_NAME_LEN]; 575260183Sdelphij char *bmark_name; 576260183Sdelphij char *pound; 577260183Sdelphij int err; 578260183Sdelphij boolean_t rv; 579260183Sdelphij 580260183Sdelphij 581260183Sdelphij (void) strlcpy(fsname, path, sizeof (fsname)); 582260183Sdelphij pound = strchr(fsname, '#'); 583260183Sdelphij if (pound == NULL) 584260183Sdelphij return (B_FALSE); 585260183Sdelphij 586260183Sdelphij *pound = '\0'; 587260183Sdelphij bmark_name = pound + 1; 588260183Sdelphij props = fnvlist_alloc(); 589260183Sdelphij err = lzc_get_bookmarks(fsname, props, &bmarks); 590260183Sdelphij nvlist_free(props); 591260183Sdelphij if (err != 0) { 592260183Sdelphij nvlist_free(bmarks); 593260183Sdelphij return (B_FALSE); 594260183Sdelphij } 595260183Sdelphij 596260183Sdelphij rv = nvlist_exists(bmarks, bmark_name); 597260183Sdelphij nvlist_free(bmarks); 598260183Sdelphij return (rv); 599260183Sdelphij} 600260183Sdelphij 601260183Sdelphijzfs_handle_t * 602260183Sdelphijmake_bookmark_handle(zfs_handle_t *parent, const char *path, 603260183Sdelphij nvlist_t *bmark_props) 604260183Sdelphij{ 605260183Sdelphij zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1); 606260183Sdelphij 607260183Sdelphij if (zhp == NULL) 608260183Sdelphij return (NULL); 609260183Sdelphij 610260183Sdelphij /* Fill in the name. */ 611260183Sdelphij zhp->zfs_hdl = parent->zfs_hdl; 612260183Sdelphij (void) strlcpy(zhp->zfs_name, path, sizeof (zhp->zfs_name)); 613260183Sdelphij 614260183Sdelphij /* Set the property lists. */ 615260183Sdelphij if (nvlist_dup(bmark_props, &zhp->zfs_props, 0) != 0) { 616260183Sdelphij free(zhp); 617260183Sdelphij return (NULL); 618260183Sdelphij } 619260183Sdelphij 620260183Sdelphij /* Set the types. */ 621260183Sdelphij zhp->zfs_head_type = parent->zfs_head_type; 622260183Sdelphij zhp->zfs_type = ZFS_TYPE_BOOKMARK; 623260183Sdelphij 624260183Sdelphij if ((zhp->zpool_hdl = zpool_handle(zhp)) == NULL) { 625260183Sdelphij nvlist_free(zhp->zfs_props); 626260183Sdelphij free(zhp); 627260183Sdelphij return (NULL); 628260183Sdelphij } 629260183Sdelphij 630260183Sdelphij return (zhp); 631260183Sdelphij} 632260183Sdelphij 633321534Smavstruct zfs_open_bookmarks_cb_data { 634321534Smav const char *path; 635321534Smav zfs_handle_t *zhp; 636321534Smav}; 637321534Smav 638321534Smavstatic int 639321534Smavzfs_open_bookmarks_cb(zfs_handle_t *zhp, void *data) 640321534Smav{ 641321534Smav struct zfs_open_bookmarks_cb_data *dp = data; 642321534Smav 643321534Smav /* 644321534Smav * Is it the one we are looking for? 645321534Smav */ 646321534Smav if (strcmp(dp->path, zfs_get_name(zhp)) == 0) { 647321534Smav /* 648321534Smav * We found it. Save it and let the caller know we are done. 649321534Smav */ 650321534Smav dp->zhp = zhp; 651321534Smav return (EEXIST); 652321534Smav } 653321534Smav 654321534Smav /* 655321534Smav * Not found. Close the handle and ask for another one. 656321534Smav */ 657321534Smav zfs_close(zhp); 658321534Smav return (0); 659321534Smav} 660321534Smav 661168404Spjd/* 662321534Smav * Opens the given snapshot, bookmark, filesystem, or volume. The 'types' 663168404Spjd * argument is a mask of acceptable types. The function will print an 664168404Spjd * appropriate error message and return NULL if it can't be opened. 665168404Spjd */ 666168404Spjdzfs_handle_t * 667168404Spjdzfs_open(libzfs_handle_t *hdl, const char *path, int types) 668168404Spjd{ 669168404Spjd zfs_handle_t *zhp; 670168404Spjd char errbuf[1024]; 671321534Smav char *bookp; 672168404Spjd 673168404Spjd (void) snprintf(errbuf, sizeof (errbuf), 674168404Spjd dgettext(TEXT_DOMAIN, "cannot open '%s'"), path); 675168404Spjd 676168404Spjd /* 677168404Spjd * Validate the name before we even try to open it. 678168404Spjd */ 679321534Smav if (!zfs_validate_name(hdl, path, types, B_FALSE)) { 680168404Spjd (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); 681168404Spjd return (NULL); 682168404Spjd } 683168404Spjd 684168404Spjd /* 685321534Smav * Bookmarks needs to be handled separately. 686168404Spjd */ 687321534Smav bookp = strchr(path, '#'); 688321534Smav if (bookp == NULL) { 689321534Smav /* 690321534Smav * Try to get stats for the dataset, which will tell us if it 691321534Smav * exists. 692321534Smav */ 693321534Smav errno = 0; 694321534Smav if ((zhp = make_dataset_handle(hdl, path)) == NULL) { 695321534Smav (void) zfs_standard_error(hdl, errno, errbuf); 696321534Smav return (NULL); 697321534Smav } 698321534Smav } else { 699321534Smav char dsname[ZFS_MAX_DATASET_NAME_LEN]; 700321534Smav zfs_handle_t *pzhp; 701321534Smav struct zfs_open_bookmarks_cb_data cb_data = {path, NULL}; 702321534Smav 703321534Smav /* 704321534Smav * We need to cut out '#' and everything after '#' 705321534Smav * to get the parent dataset name only. 706321534Smav */ 707321534Smav assert(bookp - path < sizeof (dsname)); 708321534Smav (void) strncpy(dsname, path, bookp - path); 709321534Smav dsname[bookp - path] = '\0'; 710321534Smav 711321534Smav /* 712321534Smav * Create handle for the parent dataset. 713321534Smav */ 714321534Smav errno = 0; 715321534Smav if ((pzhp = make_dataset_handle(hdl, dsname)) == NULL) { 716321534Smav (void) zfs_standard_error(hdl, errno, errbuf); 717321534Smav return (NULL); 718321534Smav } 719321534Smav 720321534Smav /* 721321534Smav * Iterate bookmarks to find the right one. 722321534Smav */ 723321534Smav errno = 0; 724321534Smav if ((zfs_iter_bookmarks(pzhp, zfs_open_bookmarks_cb, 725321534Smav &cb_data) == 0) && (cb_data.zhp == NULL)) { 726321534Smav (void) zfs_error(hdl, EZFS_NOENT, errbuf); 727321534Smav zfs_close(pzhp); 728321534Smav return (NULL); 729321534Smav } 730321534Smav if (cb_data.zhp == NULL) { 731321534Smav (void) zfs_standard_error(hdl, errno, errbuf); 732321534Smav zfs_close(pzhp); 733321534Smav return (NULL); 734321534Smav } 735321534Smav zhp = cb_data.zhp; 736321534Smav 737321534Smav /* 738321534Smav * Cleanup. 739321534Smav */ 740321534Smav zfs_close(pzhp); 741168404Spjd } 742168404Spjd 743240870Spjd if (zhp == NULL) { 744240870Spjd char *at = strchr(path, '@'); 745240870Spjd 746240870Spjd if (at != NULL) 747240870Spjd *at = '\0'; 748240870Spjd errno = 0; 749240870Spjd if ((zhp = make_dataset_handle(hdl, path)) == NULL) { 750240870Spjd (void) zfs_standard_error(hdl, errno, errbuf); 751240870Spjd return (NULL); 752240870Spjd } 753240870Spjd if (at != NULL) 754240870Spjd *at = '@'; 755240870Spjd (void) strlcpy(zhp->zfs_name, path, sizeof (zhp->zfs_name)); 756240870Spjd zhp->zfs_type = ZFS_TYPE_SNAPSHOT; 757240870Spjd } 758240870Spjd 759168404Spjd if (!(types & zhp->zfs_type)) { 760168404Spjd (void) zfs_error(hdl, EZFS_BADTYPE, errbuf); 761168404Spjd zfs_close(zhp); 762168404Spjd return (NULL); 763168404Spjd } 764168404Spjd 765168404Spjd return (zhp); 766168404Spjd} 767168404Spjd 768168404Spjd/* 769168404Spjd * Release a ZFS handle. Nothing to do but free the associated memory. 770168404Spjd */ 771168404Spjdvoid 772168404Spjdzfs_close(zfs_handle_t *zhp) 773168404Spjd{ 774168404Spjd if (zhp->zfs_mntopts) 775168404Spjd free(zhp->zfs_mntopts); 776168404Spjd nvlist_free(zhp->zfs_props); 777168404Spjd nvlist_free(zhp->zfs_user_props); 778219089Spjd nvlist_free(zhp->zfs_recvd_props); 779168404Spjd free(zhp); 780168404Spjd} 781168404Spjd 782209962Smmtypedef struct mnttab_node { 783209962Smm struct mnttab mtn_mt; 784209962Smm avl_node_t mtn_node; 785209962Smm} mnttab_node_t; 786209962Smm 787209962Smmstatic int 788209962Smmlibzfs_mnttab_cache_compare(const void *arg1, const void *arg2) 789209962Smm{ 790209962Smm const mnttab_node_t *mtn1 = arg1; 791209962Smm const mnttab_node_t *mtn2 = arg2; 792209962Smm int rv; 793209962Smm 794209962Smm rv = strcmp(mtn1->mtn_mt.mnt_special, mtn2->mtn_mt.mnt_special); 795209962Smm 796209962Smm if (rv == 0) 797209962Smm return (0); 798209962Smm return (rv > 0 ? 1 : -1); 799209962Smm} 800209962Smm 801209962Smmvoid 802209962Smmlibzfs_mnttab_init(libzfs_handle_t *hdl) 803209962Smm{ 804209962Smm assert(avl_numnodes(&hdl->libzfs_mnttab_cache) == 0); 805209962Smm avl_create(&hdl->libzfs_mnttab_cache, libzfs_mnttab_cache_compare, 806209962Smm sizeof (mnttab_node_t), offsetof(mnttab_node_t, mtn_node)); 807209962Smm} 808209962Smm 809209962Smmvoid 810209962Smmlibzfs_mnttab_update(libzfs_handle_t *hdl) 811209962Smm{ 812209962Smm struct mnttab entry; 813209962Smm 814209962Smm rewind(hdl->libzfs_mnttab); 815209962Smm while (getmntent(hdl->libzfs_mnttab, &entry) == 0) { 816209962Smm mnttab_node_t *mtn; 817209962Smm 818209962Smm if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) 819209962Smm continue; 820209962Smm mtn = zfs_alloc(hdl, sizeof (mnttab_node_t)); 821209962Smm mtn->mtn_mt.mnt_special = zfs_strdup(hdl, entry.mnt_special); 822209962Smm mtn->mtn_mt.mnt_mountp = zfs_strdup(hdl, entry.mnt_mountp); 823209962Smm mtn->mtn_mt.mnt_fstype = zfs_strdup(hdl, entry.mnt_fstype); 824209962Smm mtn->mtn_mt.mnt_mntopts = zfs_strdup(hdl, entry.mnt_mntopts); 825209962Smm avl_add(&hdl->libzfs_mnttab_cache, mtn); 826209962Smm } 827209962Smm} 828209962Smm 829209962Smmvoid 830209962Smmlibzfs_mnttab_fini(libzfs_handle_t *hdl) 831209962Smm{ 832209962Smm void *cookie = NULL; 833209962Smm mnttab_node_t *mtn; 834209962Smm 835307050Smav while ((mtn = avl_destroy_nodes(&hdl->libzfs_mnttab_cache, &cookie)) 836307050Smav != NULL) { 837209962Smm free(mtn->mtn_mt.mnt_special); 838209962Smm free(mtn->mtn_mt.mnt_mountp); 839209962Smm free(mtn->mtn_mt.mnt_fstype); 840209962Smm free(mtn->mtn_mt.mnt_mntopts); 841209962Smm free(mtn); 842209962Smm } 843209962Smm avl_destroy(&hdl->libzfs_mnttab_cache); 844209962Smm} 845209962Smm 846209962Smmvoid 847209962Smmlibzfs_mnttab_cache(libzfs_handle_t *hdl, boolean_t enable) 848209962Smm{ 849209962Smm hdl->libzfs_mnttab_enable = enable; 850209962Smm} 851209962Smm 852185029Spjdint 853209962Smmlibzfs_mnttab_find(libzfs_handle_t *hdl, const char *fsname, 854209962Smm struct mnttab *entry) 855209962Smm{ 856209962Smm mnttab_node_t find; 857209962Smm mnttab_node_t *mtn; 858209962Smm 859209962Smm if (!hdl->libzfs_mnttab_enable) { 860209962Smm struct mnttab srch = { 0 }; 861209962Smm 862209962Smm if (avl_numnodes(&hdl->libzfs_mnttab_cache)) 863209962Smm libzfs_mnttab_fini(hdl); 864209962Smm rewind(hdl->libzfs_mnttab); 865209962Smm srch.mnt_special = (char *)fsname; 866209962Smm srch.mnt_fstype = MNTTYPE_ZFS; 867209962Smm if (getmntany(hdl->libzfs_mnttab, entry, &srch) == 0) 868209962Smm return (0); 869209962Smm else 870209962Smm return (ENOENT); 871209962Smm } 872209962Smm 873209962Smm if (avl_numnodes(&hdl->libzfs_mnttab_cache) == 0) 874209962Smm libzfs_mnttab_update(hdl); 875209962Smm 876209962Smm find.mtn_mt.mnt_special = (char *)fsname; 877209962Smm mtn = avl_find(&hdl->libzfs_mnttab_cache, &find, NULL); 878209962Smm if (mtn) { 879209962Smm *entry = mtn->mtn_mt; 880209962Smm return (0); 881209962Smm } 882209962Smm return (ENOENT); 883209962Smm} 884209962Smm 885209962Smmvoid 886209962Smmlibzfs_mnttab_add(libzfs_handle_t *hdl, const char *special, 887209962Smm const char *mountp, const char *mntopts) 888209962Smm{ 889209962Smm mnttab_node_t *mtn; 890209962Smm 891209962Smm if (avl_numnodes(&hdl->libzfs_mnttab_cache) == 0) 892209962Smm return; 893209962Smm mtn = zfs_alloc(hdl, sizeof (mnttab_node_t)); 894209962Smm mtn->mtn_mt.mnt_special = zfs_strdup(hdl, special); 895209962Smm mtn->mtn_mt.mnt_mountp = zfs_strdup(hdl, mountp); 896209962Smm mtn->mtn_mt.mnt_fstype = zfs_strdup(hdl, MNTTYPE_ZFS); 897209962Smm mtn->mtn_mt.mnt_mntopts = zfs_strdup(hdl, mntopts); 898209962Smm avl_add(&hdl->libzfs_mnttab_cache, mtn); 899209962Smm} 900209962Smm 901209962Smmvoid 902209962Smmlibzfs_mnttab_remove(libzfs_handle_t *hdl, const char *fsname) 903209962Smm{ 904209962Smm mnttab_node_t find; 905209962Smm mnttab_node_t *ret; 906209962Smm 907209962Smm find.mtn_mt.mnt_special = (char *)fsname; 908307050Smav if ((ret = avl_find(&hdl->libzfs_mnttab_cache, (void *)&find, NULL)) 909307050Smav != NULL) { 910209962Smm avl_remove(&hdl->libzfs_mnttab_cache, ret); 911209962Smm free(ret->mtn_mt.mnt_special); 912209962Smm free(ret->mtn_mt.mnt_mountp); 913209962Smm free(ret->mtn_mt.mnt_fstype); 914209962Smm free(ret->mtn_mt.mnt_mntopts); 915209962Smm free(ret); 916209962Smm } 917209962Smm} 918209962Smm 919209962Smmint 920185029Spjdzfs_spa_version(zfs_handle_t *zhp, int *spa_version) 921168404Spjd{ 922185029Spjd zpool_handle_t *zpool_handle = zhp->zpool_hdl; 923168404Spjd 924185029Spjd if (zpool_handle == NULL) 925168404Spjd return (-1); 926168404Spjd 927185029Spjd *spa_version = zpool_get_prop_int(zpool_handle, 928185029Spjd ZPOOL_PROP_VERSION, NULL); 929168404Spjd return (0); 930168404Spjd} 931168404Spjd 932168404Spjd/* 933185029Spjd * The choice of reservation property depends on the SPA version. 934168404Spjd */ 935168404Spjdstatic int 936185029Spjdzfs_which_resv_prop(zfs_handle_t *zhp, zfs_prop_t *resv_prop) 937168404Spjd{ 938185029Spjd int spa_version; 939168404Spjd 940185029Spjd if (zfs_spa_version(zhp, &spa_version) < 0) 941168404Spjd return (-1); 942168404Spjd 943185029Spjd if (spa_version >= SPA_VERSION_REFRESERVATION) 944185029Spjd *resv_prop = ZFS_PROP_REFRESERVATION; 945185029Spjd else 946185029Spjd *resv_prop = ZFS_PROP_RESERVATION; 947168404Spjd 948168404Spjd return (0); 949168404Spjd} 950168404Spjd 951168404Spjd/* 952168404Spjd * Given an nvlist of properties to set, validates that they are correct, and 953168404Spjd * parses any numeric properties (index, boolean, etc) if they are specified as 954168404Spjd * strings. 955168404Spjd */ 956168404Spjdnvlist_t * 957185029Spjdzfs_valid_proplist(libzfs_handle_t *hdl, zfs_type_t type, nvlist_t *nvl, 958289500Smav uint64_t zoned, zfs_handle_t *zhp, zpool_handle_t *zpool_hdl, 959289500Smav const char *errbuf) 960168404Spjd{ 961168404Spjd nvpair_t *elem; 962168404Spjd uint64_t intval; 963168404Spjd char *strval; 964185029Spjd zfs_prop_t prop; 965168404Spjd nvlist_t *ret; 966185029Spjd int chosen_normal = -1; 967185029Spjd int chosen_utf = -1; 968168404Spjd 969168404Spjd if (nvlist_alloc(&ret, NV_UNIQUE_NAME, 0) != 0) { 970168404Spjd (void) no_memory(hdl); 971168404Spjd return (NULL); 972168404Spjd } 973168404Spjd 974209962Smm /* 975209962Smm * Make sure this property is valid and applies to this type. 976209962Smm */ 977209962Smm 978168404Spjd elem = NULL; 979168404Spjd while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { 980185029Spjd const char *propname = nvpair_name(elem); 981168404Spjd 982209962Smm prop = zfs_name_to_prop(propname); 983209962Smm if (prop == ZPROP_INVAL && zfs_prop_user(propname)) { 984185029Spjd /* 985209962Smm * This is a user property: make sure it's a 986185029Spjd * string, and that it's less than ZAP_MAXNAMELEN. 987185029Spjd */ 988185029Spjd if (nvpair_type(elem) != DATA_TYPE_STRING) { 989185029Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 990185029Spjd "'%s' must be a string"), propname); 991185029Spjd (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 992185029Spjd goto error; 993168404Spjd } 994168404Spjd 995185029Spjd if (strlen(nvpair_name(elem)) >= ZAP_MAXNAMELEN) { 996185029Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 997185029Spjd "property name '%s' is too long"), 998185029Spjd propname); 999185029Spjd (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 1000185029Spjd goto error; 1001185029Spjd } 1002185029Spjd 1003168404Spjd (void) nvpair_value_string(elem, &strval); 1004168404Spjd if (nvlist_add_string(ret, propname, strval) != 0) { 1005168404Spjd (void) no_memory(hdl); 1006168404Spjd goto error; 1007168404Spjd } 1008168404Spjd continue; 1009168404Spjd } 1010168404Spjd 1011209962Smm /* 1012209962Smm * Currently, only user properties can be modified on 1013209962Smm * snapshots. 1014209962Smm */ 1015185029Spjd if (type == ZFS_TYPE_SNAPSHOT) { 1016185029Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1017185029Spjd "this property can not be modified for snapshots")); 1018185029Spjd (void) zfs_error(hdl, EZFS_PROPTYPE, errbuf); 1019185029Spjd goto error; 1020185029Spjd } 1021168404Spjd 1022209962Smm if (prop == ZPROP_INVAL && zfs_prop_userquota(propname)) { 1023209962Smm zfs_userquota_prop_t uqtype; 1024209962Smm char newpropname[128]; 1025209962Smm char domain[128]; 1026209962Smm uint64_t rid; 1027209962Smm uint64_t valary[3]; 1028209962Smm 1029209962Smm if (userquota_propname_decode(propname, zoned, 1030209962Smm &uqtype, domain, sizeof (domain), &rid) != 0) { 1031209962Smm zfs_error_aux(hdl, 1032209962Smm dgettext(TEXT_DOMAIN, 1033209962Smm "'%s' has an invalid user/group name"), 1034209962Smm propname); 1035209962Smm (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 1036209962Smm goto error; 1037209962Smm } 1038209962Smm 1039209962Smm if (uqtype != ZFS_PROP_USERQUOTA && 1040209962Smm uqtype != ZFS_PROP_GROUPQUOTA) { 1041209962Smm zfs_error_aux(hdl, 1042209962Smm dgettext(TEXT_DOMAIN, "'%s' is readonly"), 1043209962Smm propname); 1044209962Smm (void) zfs_error(hdl, EZFS_PROPREADONLY, 1045209962Smm errbuf); 1046209962Smm goto error; 1047209962Smm } 1048209962Smm 1049209962Smm if (nvpair_type(elem) == DATA_TYPE_STRING) { 1050209962Smm (void) nvpair_value_string(elem, &strval); 1051209962Smm if (strcmp(strval, "none") == 0) { 1052209962Smm intval = 0; 1053209962Smm } else if (zfs_nicestrtonum(hdl, 1054209962Smm strval, &intval) != 0) { 1055209962Smm (void) zfs_error(hdl, 1056209962Smm EZFS_BADPROP, errbuf); 1057209962Smm goto error; 1058209962Smm } 1059209962Smm } else if (nvpair_type(elem) == 1060209962Smm DATA_TYPE_UINT64) { 1061209962Smm (void) nvpair_value_uint64(elem, &intval); 1062209962Smm if (intval == 0) { 1063209962Smm zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1064209962Smm "use 'none' to disable " 1065209962Smm "userquota/groupquota")); 1066209962Smm goto error; 1067209962Smm } 1068209962Smm } else { 1069209962Smm zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1070209962Smm "'%s' must be a number"), propname); 1071209962Smm (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 1072209962Smm goto error; 1073209962Smm } 1074209962Smm 1075219089Spjd /* 1076219089Spjd * Encode the prop name as 1077219089Spjd * userquota@<hex-rid>-domain, to make it easy 1078219089Spjd * for the kernel to decode. 1079219089Spjd */ 1080209962Smm (void) snprintf(newpropname, sizeof (newpropname), 1081219089Spjd "%s%llx-%s", zfs_userquota_prop_prefixes[uqtype], 1082219089Spjd (longlong_t)rid, domain); 1083209962Smm valary[0] = uqtype; 1084209962Smm valary[1] = rid; 1085209962Smm valary[2] = intval; 1086209962Smm if (nvlist_add_uint64_array(ret, newpropname, 1087209962Smm valary, 3) != 0) { 1088209962Smm (void) no_memory(hdl); 1089209962Smm goto error; 1090209962Smm } 1091209962Smm continue; 1092228103Smm } else if (prop == ZPROP_INVAL && zfs_prop_written(propname)) { 1093228103Smm zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1094228103Smm "'%s' is readonly"), 1095228103Smm propname); 1096228103Smm (void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf); 1097228103Smm goto error; 1098209962Smm } 1099209962Smm 1100209962Smm if (prop == ZPROP_INVAL) { 1101209962Smm zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1102209962Smm "invalid property '%s'"), propname); 1103209962Smm (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 1104209962Smm goto error; 1105209962Smm } 1106209962Smm 1107168404Spjd if (!zfs_prop_valid_for_type(prop, type)) { 1108168404Spjd zfs_error_aux(hdl, 1109168404Spjd dgettext(TEXT_DOMAIN, "'%s' does not " 1110168404Spjd "apply to datasets of this type"), propname); 1111168404Spjd (void) zfs_error(hdl, EZFS_PROPTYPE, errbuf); 1112168404Spjd goto error; 1113168404Spjd } 1114168404Spjd 1115168404Spjd if (zfs_prop_readonly(prop) && 1116185029Spjd (!zfs_prop_setonce(prop) || zhp != NULL)) { 1117168404Spjd zfs_error_aux(hdl, 1118168404Spjd dgettext(TEXT_DOMAIN, "'%s' is readonly"), 1119168404Spjd propname); 1120168404Spjd (void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf); 1121168404Spjd goto error; 1122168404Spjd } 1123168404Spjd 1124185029Spjd if (zprop_parse_value(hdl, elem, prop, type, ret, 1125185029Spjd &strval, &intval, errbuf) != 0) 1126185029Spjd goto error; 1127185029Spjd 1128168404Spjd /* 1129185029Spjd * Perform some additional checks for specific properties. 1130168404Spjd */ 1131185029Spjd switch (prop) { 1132185029Spjd case ZFS_PROP_VERSION: 1133185029Spjd { 1134185029Spjd int version; 1135168404Spjd 1136185029Spjd if (zhp == NULL) 1137185029Spjd break; 1138185029Spjd version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION); 1139185029Spjd if (intval < version) { 1140168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1141185029Spjd "Can not downgrade; already at version %u"), 1142185029Spjd version); 1143168404Spjd (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 1144168404Spjd goto error; 1145168404Spjd } 1146168404Spjd break; 1147168404Spjd } 1148168404Spjd 1149274337Sdelphij case ZFS_PROP_VOLBLOCKSIZE: 1150168404Spjd case ZFS_PROP_RECORDSIZE: 1151274337Sdelphij { 1152274337Sdelphij int maxbs = SPA_MAXBLOCKSIZE; 1153289500Smav if (zpool_hdl != NULL) { 1154289500Smav maxbs = zpool_get_prop_int(zpool_hdl, 1155274337Sdelphij ZPOOL_PROP_MAXBLOCKSIZE, NULL); 1156274337Sdelphij } 1157274337Sdelphij /* 1158274337Sdelphij * Volumes are limited to a volblocksize of 128KB, 1159274337Sdelphij * because they typically service workloads with 1160274337Sdelphij * small random writes, which incur a large performance 1161274337Sdelphij * penalty with large blocks. 1162274337Sdelphij */ 1163274337Sdelphij if (prop == ZFS_PROP_VOLBLOCKSIZE) 1164274337Sdelphij maxbs = SPA_OLD_MAXBLOCKSIZE; 1165274337Sdelphij /* 1166274337Sdelphij * The value must be a power of two between 1167274337Sdelphij * SPA_MINBLOCKSIZE and maxbs. 1168274337Sdelphij */ 1169168404Spjd if (intval < SPA_MINBLOCKSIZE || 1170274337Sdelphij intval > maxbs || !ISP2(intval)) { 1171168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1172274337Sdelphij "'%s' must be power of 2 from 512B " 1173274337Sdelphij "to %uKB"), propname, maxbs >> 10); 1174168404Spjd (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 1175168404Spjd goto error; 1176168404Spjd } 1177168404Spjd break; 1178274337Sdelphij } 1179219089Spjd case ZFS_PROP_MLSLABEL: 1180219089Spjd { 1181277300Ssmh#ifdef illumos 1182219089Spjd /* 1183219089Spjd * Verify the mlslabel string and convert to 1184219089Spjd * internal hex label string. 1185219089Spjd */ 1186219089Spjd 1187219089Spjd m_label_t *new_sl; 1188219089Spjd char *hex = NULL; /* internal label string */ 1189219089Spjd 1190219089Spjd /* Default value is already OK. */ 1191219089Spjd if (strcasecmp(strval, ZFS_MLSLABEL_DEFAULT) == 0) 1192219089Spjd break; 1193219089Spjd 1194219089Spjd /* Verify the label can be converted to binary form */ 1195219089Spjd if (((new_sl = m_label_alloc(MAC_LABEL)) == NULL) || 1196219089Spjd (str_to_label(strval, &new_sl, MAC_LABEL, 1197219089Spjd L_NO_CORRECTION, NULL) == -1)) { 1198219089Spjd goto badlabel; 1199168404Spjd } 1200168404Spjd 1201219089Spjd /* Now translate to hex internal label string */ 1202219089Spjd if (label_to_str(new_sl, &hex, M_INTERNAL, 1203219089Spjd DEF_NAMES) != 0) { 1204219089Spjd if (hex) 1205219089Spjd free(hex); 1206219089Spjd goto badlabel; 1207219089Spjd } 1208219089Spjd m_label_free(new_sl); 1209219089Spjd 1210219089Spjd /* If string is already in internal form, we're done. */ 1211219089Spjd if (strcmp(strval, hex) == 0) { 1212219089Spjd free(hex); 1213219089Spjd break; 1214219089Spjd } 1215219089Spjd 1216219089Spjd /* Replace the label string with the internal form. */ 1217219089Spjd (void) nvlist_remove(ret, zfs_prop_to_name(prop), 1218219089Spjd DATA_TYPE_STRING); 1219219089Spjd verify(nvlist_add_string(ret, zfs_prop_to_name(prop), 1220219089Spjd hex) == 0); 1221219089Spjd free(hex); 1222219089Spjd 1223168404Spjd break; 1224168404Spjd 1225219089Spjdbadlabel: 1226219089Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1227219089Spjd "invalid mlslabel '%s'"), strval); 1228219089Spjd (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 1229219089Spjd m_label_free(new_sl); /* OK if null */ 1230277300Ssmh#else /* !illumos */ 1231219089Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1232219089Spjd "mlslabel is not supported on FreeBSD")); 1233219089Spjd (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 1234277300Ssmh#endif /* illumos */ 1235219089Spjd goto error; 1236219089Spjd 1237219089Spjd } 1238219089Spjd 1239168404Spjd case ZFS_PROP_MOUNTPOINT: 1240185029Spjd { 1241185029Spjd namecheck_err_t why; 1242185029Spjd 1243168404Spjd if (strcmp(strval, ZFS_MOUNTPOINT_NONE) == 0 || 1244168404Spjd strcmp(strval, ZFS_MOUNTPOINT_LEGACY) == 0) 1245168404Spjd break; 1246168404Spjd 1247185029Spjd if (mountpoint_namecheck(strval, &why)) { 1248185029Spjd switch (why) { 1249185029Spjd case NAME_ERR_LEADING_SLASH: 1250185029Spjd zfs_error_aux(hdl, 1251185029Spjd dgettext(TEXT_DOMAIN, 1252185029Spjd "'%s' must be an absolute path, " 1253185029Spjd "'none', or 'legacy'"), propname); 1254185029Spjd break; 1255185029Spjd case NAME_ERR_TOOLONG: 1256185029Spjd zfs_error_aux(hdl, 1257185029Spjd dgettext(TEXT_DOMAIN, 1258185029Spjd "component of '%s' is too long"), 1259185029Spjd propname); 1260185029Spjd break; 1261307050Smav 1262307050Smav default: 1263307050Smav zfs_error_aux(hdl, 1264307050Smav dgettext(TEXT_DOMAIN, 1265307050Smav "(%d) not defined"), 1266307050Smav why); 1267307050Smav break; 1268185029Spjd } 1269168404Spjd (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 1270168404Spjd goto error; 1271168404Spjd } 1272185029Spjd } 1273185029Spjd 1274168404Spjd /*FALLTHRU*/ 1275168404Spjd 1276185029Spjd case ZFS_PROP_SHARESMB: 1277168404Spjd case ZFS_PROP_SHARENFS: 1278168404Spjd /* 1279185029Spjd * For the mountpoint and sharenfs or sharesmb 1280185029Spjd * properties, check if it can be set in a 1281185029Spjd * global/non-global zone based on 1282168404Spjd * the zoned property value: 1283168404Spjd * 1284168404Spjd * global zone non-global zone 1285168404Spjd * -------------------------------------------------- 1286168404Spjd * zoned=on mountpoint (no) mountpoint (yes) 1287168404Spjd * sharenfs (no) sharenfs (no) 1288185029Spjd * sharesmb (no) sharesmb (no) 1289168404Spjd * 1290168404Spjd * zoned=off mountpoint (yes) N/A 1291168404Spjd * sharenfs (yes) 1292185029Spjd * sharesmb (yes) 1293168404Spjd */ 1294168404Spjd if (zoned) { 1295168404Spjd if (getzoneid() == GLOBAL_ZONEID) { 1296168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1297168404Spjd "'%s' cannot be set on " 1298168404Spjd "dataset in a non-global zone"), 1299168404Spjd propname); 1300168404Spjd (void) zfs_error(hdl, EZFS_ZONED, 1301168404Spjd errbuf); 1302168404Spjd goto error; 1303185029Spjd } else if (prop == ZFS_PROP_SHARENFS || 1304185029Spjd prop == ZFS_PROP_SHARESMB) { 1305168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1306168404Spjd "'%s' cannot be set in " 1307168404Spjd "a non-global zone"), propname); 1308168404Spjd (void) zfs_error(hdl, EZFS_ZONED, 1309168404Spjd errbuf); 1310168404Spjd goto error; 1311168404Spjd } 1312168404Spjd } else if (getzoneid() != GLOBAL_ZONEID) { 1313168404Spjd /* 1314168404Spjd * If zoned property is 'off', this must be in 1315209962Smm * a global zone. If not, something is wrong. 1316168404Spjd */ 1317168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1318168404Spjd "'%s' cannot be set while dataset " 1319168404Spjd "'zoned' property is set"), propname); 1320168404Spjd (void) zfs_error(hdl, EZFS_ZONED, errbuf); 1321168404Spjd goto error; 1322168404Spjd } 1323168404Spjd 1324168404Spjd /* 1325185029Spjd * At this point, it is legitimate to set the 1326185029Spjd * property. Now we want to make sure that the 1327185029Spjd * property value is valid if it is sharenfs. 1328168404Spjd */ 1329185029Spjd if ((prop == ZFS_PROP_SHARENFS || 1330185029Spjd prop == ZFS_PROP_SHARESMB) && 1331185029Spjd strcmp(strval, "on") != 0 && 1332185029Spjd strcmp(strval, "off") != 0) { 1333185029Spjd zfs_share_proto_t proto; 1334168404Spjd 1335185029Spjd if (prop == ZFS_PROP_SHARESMB) 1336185029Spjd proto = PROTO_SMB; 1337185029Spjd else 1338185029Spjd proto = PROTO_NFS; 1339185029Spjd 1340185029Spjd /* 1341185029Spjd * Must be an valid sharing protocol 1342185029Spjd * option string so init the libshare 1343185029Spjd * in order to enable the parser and 1344185029Spjd * then parse the options. We use the 1345185029Spjd * control API since we don't care about 1346185029Spjd * the current configuration and don't 1347185029Spjd * want the overhead of loading it 1348185029Spjd * until we actually do something. 1349185029Spjd */ 1350185029Spjd 1351185029Spjd if (zfs_init_libshare(hdl, 1352185029Spjd SA_INIT_CONTROL_API) != SA_OK) { 1353185029Spjd /* 1354185029Spjd * An error occurred so we can't do 1355185029Spjd * anything 1356185029Spjd */ 1357185029Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1358185029Spjd "'%s' cannot be set: problem " 1359185029Spjd "in share initialization"), 1360185029Spjd propname); 1361185029Spjd (void) zfs_error(hdl, EZFS_BADPROP, 1362185029Spjd errbuf); 1363185029Spjd goto error; 1364185029Spjd } 1365185029Spjd 1366185029Spjd if (zfs_parse_options(strval, proto) != SA_OK) { 1367185029Spjd /* 1368185029Spjd * There was an error in parsing so 1369185029Spjd * deal with it by issuing an error 1370185029Spjd * message and leaving after 1371185029Spjd * uninitializing the the libshare 1372185029Spjd * interface. 1373185029Spjd */ 1374185029Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1375185029Spjd "'%s' cannot be set to invalid " 1376185029Spjd "options"), propname); 1377185029Spjd (void) zfs_error(hdl, EZFS_BADPROP, 1378185029Spjd errbuf); 1379185029Spjd zfs_uninit_libshare(hdl); 1380185029Spjd goto error; 1381185029Spjd } 1382185029Spjd zfs_uninit_libshare(hdl); 1383168404Spjd } 1384185029Spjd 1385168404Spjd break; 1386307050Smav 1387185029Spjd case ZFS_PROP_UTF8ONLY: 1388185029Spjd chosen_utf = (int)intval; 1389185029Spjd break; 1390307050Smav 1391185029Spjd case ZFS_PROP_NORMALIZE: 1392185029Spjd chosen_normal = (int)intval; 1393185029Spjd break; 1394307050Smav 1395307050Smav default: 1396307050Smav break; 1397168404Spjd } 1398168404Spjd 1399168404Spjd /* 1400168404Spjd * For changes to existing volumes, we have some additional 1401168404Spjd * checks to enforce. 1402168404Spjd */ 1403168404Spjd if (type == ZFS_TYPE_VOLUME && zhp != NULL) { 1404168404Spjd uint64_t volsize = zfs_prop_get_int(zhp, 1405168404Spjd ZFS_PROP_VOLSIZE); 1406168404Spjd uint64_t blocksize = zfs_prop_get_int(zhp, 1407168404Spjd ZFS_PROP_VOLBLOCKSIZE); 1408168404Spjd char buf[64]; 1409168404Spjd 1410168404Spjd switch (prop) { 1411168404Spjd case ZFS_PROP_RESERVATION: 1412168404Spjd if (intval > volsize) { 1413168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1414168404Spjd "'%s' is greater than current " 1415168404Spjd "volume size"), propname); 1416168404Spjd (void) zfs_error(hdl, EZFS_BADPROP, 1417168404Spjd errbuf); 1418168404Spjd goto error; 1419168404Spjd } 1420168404Spjd break; 1421168404Spjd 1422339103Smav case ZFS_PROP_REFRESERVATION: 1423339103Smav if (intval > volsize && intval != UINT64_MAX) { 1424339103Smav zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1425339103Smav "'%s' is greater than current " 1426339103Smav "volume size"), propname); 1427339103Smav (void) zfs_error(hdl, EZFS_BADPROP, 1428339103Smav errbuf); 1429339103Smav goto error; 1430339103Smav } 1431339103Smav break; 1432339103Smav 1433168404Spjd case ZFS_PROP_VOLSIZE: 1434168404Spjd if (intval % blocksize != 0) { 1435168404Spjd zfs_nicenum(blocksize, buf, 1436168404Spjd sizeof (buf)); 1437168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1438168404Spjd "'%s' must be a multiple of " 1439168404Spjd "volume block size (%s)"), 1440168404Spjd propname, buf); 1441168404Spjd (void) zfs_error(hdl, EZFS_BADPROP, 1442168404Spjd errbuf); 1443168404Spjd goto error; 1444168404Spjd } 1445168404Spjd 1446168404Spjd if (intval == 0) { 1447168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1448168404Spjd "'%s' cannot be zero"), 1449168404Spjd propname); 1450168404Spjd (void) zfs_error(hdl, EZFS_BADPROP, 1451168404Spjd errbuf); 1452168404Spjd goto error; 1453168404Spjd } 1454168404Spjd break; 1455307050Smav 1456307050Smav default: 1457307050Smav break; 1458168404Spjd } 1459168404Spjd } 1460168404Spjd } 1461168404Spjd 1462168404Spjd /* 1463185029Spjd * If normalization was chosen, but no UTF8 choice was made, 1464185029Spjd * enforce rejection of non-UTF8 names. 1465185029Spjd * 1466185029Spjd * If normalization was chosen, but rejecting non-UTF8 names 1467185029Spjd * was explicitly not chosen, it is an error. 1468185029Spjd */ 1469185029Spjd if (chosen_normal > 0 && chosen_utf < 0) { 1470185029Spjd if (nvlist_add_uint64(ret, 1471185029Spjd zfs_prop_to_name(ZFS_PROP_UTF8ONLY), 1) != 0) { 1472185029Spjd (void) no_memory(hdl); 1473185029Spjd goto error; 1474185029Spjd } 1475185029Spjd } else if (chosen_normal > 0 && chosen_utf == 0) { 1476185029Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1477185029Spjd "'%s' must be set 'on' if normalization chosen"), 1478185029Spjd zfs_prop_to_name(ZFS_PROP_UTF8ONLY)); 1479185029Spjd (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 1480185029Spjd goto error; 1481185029Spjd } 1482219089Spjd return (ret); 1483185029Spjd 1484219089Spjderror: 1485219089Spjd nvlist_free(ret); 1486219089Spjd return (NULL); 1487219089Spjd} 1488219089Spjd 1489219089Spjdint 1490219089Spjdzfs_add_synthetic_resv(zfs_handle_t *zhp, nvlist_t *nvl) 1491219089Spjd{ 1492219089Spjd uint64_t old_volsize; 1493219089Spjd uint64_t new_volsize; 1494219089Spjd uint64_t old_reservation; 1495219089Spjd uint64_t new_reservation; 1496219089Spjd zfs_prop_t resv_prop; 1497289499Smav nvlist_t *props; 1498219089Spjd 1499185029Spjd /* 1500168404Spjd * If this is an existing volume, and someone is setting the volsize, 1501168404Spjd * make sure that it matches the reservation, or add it if necessary. 1502168404Spjd */ 1503219089Spjd old_volsize = zfs_prop_get_int(zhp, ZFS_PROP_VOLSIZE); 1504219089Spjd if (zfs_which_resv_prop(zhp, &resv_prop) < 0) 1505219089Spjd return (-1); 1506219089Spjd old_reservation = zfs_prop_get_int(zhp, resv_prop); 1507289499Smav 1508289499Smav props = fnvlist_alloc(); 1509289499Smav fnvlist_add_uint64(props, zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), 1510289499Smav zfs_prop_get_int(zhp, ZFS_PROP_VOLBLOCKSIZE)); 1511289499Smav 1512289499Smav if ((zvol_volsize_to_reservation(old_volsize, props) != 1513289499Smav old_reservation) || nvlist_exists(nvl, 1514289499Smav zfs_prop_to_name(resv_prop))) { 1515289499Smav fnvlist_free(props); 1516219089Spjd return (0); 1517219089Spjd } 1518219089Spjd if (nvlist_lookup_uint64(nvl, zfs_prop_to_name(ZFS_PROP_VOLSIZE), 1519289499Smav &new_volsize) != 0) { 1520289499Smav fnvlist_free(props); 1521219089Spjd return (-1); 1522289499Smav } 1523289499Smav new_reservation = zvol_volsize_to_reservation(new_volsize, props); 1524289499Smav fnvlist_free(props); 1525289499Smav 1526219089Spjd if (nvlist_add_uint64(nvl, zfs_prop_to_name(resv_prop), 1527219089Spjd new_reservation) != 0) { 1528219089Spjd (void) no_memory(zhp->zfs_hdl); 1529219089Spjd return (-1); 1530219089Spjd } 1531219089Spjd return (1); 1532219089Spjd} 1533168404Spjd 1534339103Smav/* 1535339103Smav * Helper for 'zfs {set|clone} refreservation=auto'. Must be called after 1536339103Smav * zfs_valid_proplist(), as it is what sets the UINT64_MAX sentinal value. 1537339103Smav * Return codes must match zfs_add_synthetic_resv(). 1538339103Smav */ 1539339103Smavstatic int 1540339103Smavzfs_fix_auto_resv(zfs_handle_t *zhp, nvlist_t *nvl) 1541339103Smav{ 1542339103Smav uint64_t volsize; 1543339103Smav uint64_t resvsize; 1544339103Smav zfs_prop_t prop; 1545339103Smav nvlist_t *props; 1546339103Smav 1547339103Smav if (!ZFS_IS_VOLUME(zhp)) { 1548339103Smav return (0); 1549339103Smav } 1550339103Smav 1551339103Smav if (zfs_which_resv_prop(zhp, &prop) != 0) { 1552339103Smav return (-1); 1553339103Smav } 1554339103Smav 1555339103Smav if (prop != ZFS_PROP_REFRESERVATION) { 1556339103Smav return (0); 1557339103Smav } 1558339103Smav 1559339103Smav if (nvlist_lookup_uint64(nvl, zfs_prop_to_name(prop), &resvsize) != 0) { 1560339103Smav /* No value being set, so it can't be "auto" */ 1561339103Smav return (0); 1562339103Smav } 1563339103Smav if (resvsize != UINT64_MAX) { 1564339103Smav /* Being set to a value other than "auto" */ 1565339103Smav return (0); 1566339103Smav } 1567339103Smav 1568339103Smav props = fnvlist_alloc(); 1569339103Smav 1570339103Smav fnvlist_add_uint64(props, zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), 1571339103Smav zfs_prop_get_int(zhp, ZFS_PROP_VOLBLOCKSIZE)); 1572339103Smav 1573339103Smav if (nvlist_lookup_uint64(nvl, zfs_prop_to_name(ZFS_PROP_VOLSIZE), 1574339103Smav &volsize) != 0) { 1575339103Smav volsize = zfs_prop_get_int(zhp, ZFS_PROP_VOLSIZE); 1576339103Smav } 1577339103Smav 1578339103Smav resvsize = zvol_volsize_to_reservation(volsize, props); 1579339103Smav fnvlist_free(props); 1580339103Smav 1581339103Smav (void) nvlist_remove_all(nvl, zfs_prop_to_name(prop)); 1582339103Smav if (nvlist_add_uint64(nvl, zfs_prop_to_name(prop), resvsize) != 0) { 1583339103Smav (void) no_memory(zhp->zfs_hdl); 1584339103Smav return (-1); 1585339103Smav } 1586339103Smav return (1); 1587339103Smav} 1588339103Smav 1589219089Spjdvoid 1590219089Spjdzfs_setprop_error(libzfs_handle_t *hdl, zfs_prop_t prop, int err, 1591219089Spjd char *errbuf) 1592219089Spjd{ 1593219089Spjd switch (err) { 1594185029Spjd 1595219089Spjd case ENOSPC: 1596219089Spjd /* 1597219089Spjd * For quotas and reservations, ENOSPC indicates 1598219089Spjd * something different; setting a quota or reservation 1599219089Spjd * doesn't use any disk space. 1600219089Spjd */ 1601219089Spjd switch (prop) { 1602219089Spjd case ZFS_PROP_QUOTA: 1603219089Spjd case ZFS_PROP_REFQUOTA: 1604219089Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1605219089Spjd "size is less than current used or " 1606219089Spjd "reserved space")); 1607219089Spjd (void) zfs_error(hdl, EZFS_PROPSPACE, errbuf); 1608219089Spjd break; 1609219089Spjd 1610219089Spjd case ZFS_PROP_RESERVATION: 1611219089Spjd case ZFS_PROP_REFRESERVATION: 1612219089Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1613219089Spjd "size is greater than available space")); 1614219089Spjd (void) zfs_error(hdl, EZFS_PROPSPACE, errbuf); 1615219089Spjd break; 1616219089Spjd 1617219089Spjd default: 1618219089Spjd (void) zfs_standard_error(hdl, err, errbuf); 1619219089Spjd break; 1620168404Spjd } 1621219089Spjd break; 1622219089Spjd 1623219089Spjd case EBUSY: 1624219089Spjd (void) zfs_standard_error(hdl, EBUSY, errbuf); 1625219089Spjd break; 1626219089Spjd 1627219089Spjd case EROFS: 1628219089Spjd (void) zfs_error(hdl, EZFS_DSREADONLY, errbuf); 1629219089Spjd break; 1630219089Spjd 1631271764Swill case E2BIG: 1632271764Swill zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1633271764Swill "property value too long")); 1634271764Swill (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 1635271764Swill break; 1636271764Swill 1637219089Spjd case ENOTSUP: 1638219089Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1639219089Spjd "pool and or dataset must be upgraded to set this " 1640219089Spjd "property or value")); 1641219089Spjd (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); 1642219089Spjd break; 1643219089Spjd 1644219089Spjd case ERANGE: 1645274337Sdelphij case EDOM: 1646274337Sdelphij if (prop == ZFS_PROP_COMPRESSION || 1647274337Sdelphij prop == ZFS_PROP_RECORDSIZE) { 1648219089Spjd (void) zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1649219089Spjd "property setting is not allowed on " 1650219089Spjd "bootable datasets")); 1651219089Spjd (void) zfs_error(hdl, EZFS_NOTSUP, errbuf); 1652289422Smav } else if (prop == ZFS_PROP_CHECKSUM || 1653289422Smav prop == ZFS_PROP_DEDUP) { 1654289422Smav (void) zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1655289422Smav "property setting is not allowed on " 1656289422Smav "root pools")); 1657289422Smav (void) zfs_error(hdl, EZFS_NOTSUP, errbuf); 1658219089Spjd } else { 1659219089Spjd (void) zfs_standard_error(hdl, err, errbuf); 1660219089Spjd } 1661219089Spjd break; 1662219089Spjd 1663219089Spjd case EINVAL: 1664219089Spjd if (prop == ZPROP_INVAL) { 1665219089Spjd (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 1666219089Spjd } else { 1667219089Spjd (void) zfs_standard_error(hdl, err, errbuf); 1668219089Spjd } 1669219089Spjd break; 1670219089Spjd 1671219089Spjd case EOVERFLOW: 1672219089Spjd /* 1673219089Spjd * This platform can't address a volume this big. 1674219089Spjd */ 1675219089Spjd#ifdef _ILP32 1676219089Spjd if (prop == ZFS_PROP_VOLSIZE) { 1677219089Spjd (void) zfs_error(hdl, EZFS_VOLTOOBIG, errbuf); 1678219089Spjd break; 1679219089Spjd } 1680219089Spjd#endif 1681219089Spjd /* FALLTHROUGH */ 1682219089Spjd default: 1683219089Spjd (void) zfs_standard_error(hdl, err, errbuf); 1684168404Spjd } 1685168404Spjd} 1686168404Spjd 1687168404Spjd/* 1688168404Spjd * Given a property name and value, set the property for the given dataset. 1689168404Spjd */ 1690168404Spjdint 1691168404Spjdzfs_prop_set(zfs_handle_t *zhp, const char *propname, const char *propval) 1692168404Spjd{ 1693168404Spjd int ret = -1; 1694168404Spjd char errbuf[1024]; 1695168404Spjd libzfs_handle_t *hdl = zhp->zfs_hdl; 1696289497Smav nvlist_t *nvl = NULL; 1697168404Spjd 1698168404Spjd (void) snprintf(errbuf, sizeof (errbuf), 1699168404Spjd dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), 1700168404Spjd zhp->zfs_name); 1701168404Spjd 1702168404Spjd if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0 || 1703168404Spjd nvlist_add_string(nvl, propname, propval) != 0) { 1704168404Spjd (void) no_memory(hdl); 1705168404Spjd goto error; 1706168404Spjd } 1707168404Spjd 1708289497Smav ret = zfs_prop_set_list(zhp, nvl); 1709185029Spjd 1710289497Smaverror: 1711168404Spjd nvlist_free(nvl); 1712289497Smav return (ret); 1713289497Smav} 1714168404Spjd 1715168404Spjd 1716168404Spjd 1717289497Smav/* 1718289497Smav * Given an nvlist of property names and values, set the properties for the 1719289497Smav * given dataset. 1720289497Smav */ 1721289497Smavint 1722289497Smavzfs_prop_set_list(zfs_handle_t *zhp, nvlist_t *props) 1723289497Smav{ 1724289497Smav zfs_cmd_t zc = { 0 }; 1725289497Smav int ret = -1; 1726289497Smav prop_changelist_t **cls = NULL; 1727289497Smav int cl_idx; 1728289497Smav char errbuf[1024]; 1729289497Smav libzfs_handle_t *hdl = zhp->zfs_hdl; 1730289497Smav nvlist_t *nvl; 1731289497Smav int nvl_len; 1732307107Smav int added_resv = 0; 1733219089Spjd 1734289497Smav (void) snprintf(errbuf, sizeof (errbuf), 1735289497Smav dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), 1736289497Smav zhp->zfs_name); 1737168404Spjd 1738289497Smav if ((nvl = zfs_valid_proplist(hdl, zhp->zfs_type, props, 1739289500Smav zfs_prop_get_int(zhp, ZFS_PROP_ZONED), zhp, zhp->zpool_hdl, 1740289500Smav errbuf)) == NULL) 1741168404Spjd goto error; 1742168404Spjd 1743185029Spjd /* 1744289497Smav * We have to check for any extra properties which need to be added 1745289497Smav * before computing the length of the nvlist. 1746185029Spjd */ 1747289497Smav for (nvpair_t *elem = nvlist_next_nvpair(nvl, NULL); 1748289497Smav elem != NULL; 1749289497Smav elem = nvlist_next_nvpair(nvl, elem)) { 1750289497Smav if (zfs_name_to_prop(nvpair_name(elem)) == ZFS_PROP_VOLSIZE && 1751289497Smav (added_resv = zfs_add_synthetic_resv(zhp, nvl)) == -1) { 1752289497Smav goto error; 1753289497Smav } 1754238391Smm } 1755339103Smav 1756339103Smav if (added_resv != 1 && 1757339103Smav (added_resv = zfs_fix_auto_resv(zhp, nvl)) == -1) { 1758339103Smav goto error; 1759339103Smav } 1760339103Smav 1761289497Smav /* 1762289497Smav * Check how many properties we're setting and allocate an array to 1763289497Smav * store changelist pointers for postfix(). 1764289497Smav */ 1765289497Smav nvl_len = 0; 1766289497Smav for (nvpair_t *elem = nvlist_next_nvpair(nvl, NULL); 1767289497Smav elem != NULL; 1768289497Smav elem = nvlist_next_nvpair(nvl, elem)) 1769289497Smav nvl_len++; 1770289497Smav if ((cls = calloc(nvl_len, sizeof (prop_changelist_t *))) == NULL) 1771168404Spjd goto error; 1772168404Spjd 1773289497Smav cl_idx = 0; 1774289497Smav for (nvpair_t *elem = nvlist_next_nvpair(nvl, NULL); 1775289497Smav elem != NULL; 1776289497Smav elem = nvlist_next_nvpair(nvl, elem)) { 1777289497Smav 1778289497Smav zfs_prop_t prop = zfs_name_to_prop(nvpair_name(elem)); 1779289497Smav 1780289497Smav assert(cl_idx < nvl_len); 1781289497Smav /* 1782289497Smav * We don't want to unmount & remount the dataset when changing 1783310068Savg * its canmount property to 'on' or 'noauto'. We only use 1784310068Savg * the changelist logic to unmount when setting canmount=off. 1785289497Smav */ 1786297521Savg if (prop != ZFS_PROP_CANMOUNT || 1787297521Savg (fnvpair_value_uint64(elem) == ZFS_CANMOUNT_OFF && 1788321522Smav zfs_is_mounted(zhp, NULL))) { 1789289497Smav cls[cl_idx] = changelist_gather(zhp, prop, 0, 0); 1790289497Smav if (cls[cl_idx] == NULL) 1791289497Smav goto error; 1792289497Smav } 1793289497Smav 1794289497Smav if (prop == ZFS_PROP_MOUNTPOINT && 1795289497Smav changelist_haszonedchild(cls[cl_idx])) { 1796289497Smav zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1797289497Smav "child dataset with inherited mountpoint is used " 1798289497Smav "in a non-global zone")); 1799289497Smav ret = zfs_error(hdl, EZFS_ZONED, errbuf); 1800289497Smav goto error; 1801289497Smav } 1802289497Smav 1803289497Smav /* We don't support those properties on FreeBSD. */ 1804289497Smav switch (prop) { 1805289497Smav case ZFS_PROP_DEVICES: 1806289497Smav case ZFS_PROP_ISCSIOPTIONS: 1807289497Smav case ZFS_PROP_XATTR: 1808289497Smav case ZFS_PROP_VSCAN: 1809289497Smav case ZFS_PROP_NBMAND: 1810289497Smav case ZFS_PROP_MLSLABEL: 1811289497Smav (void) snprintf(errbuf, sizeof (errbuf), 1812289497Smav "property '%s' not supported on FreeBSD", 1813289497Smav nvpair_name(elem)); 1814289497Smav ret = zfs_error(hdl, EZFS_PERM, errbuf); 1815289497Smav goto error; 1816289497Smav } 1817289497Smav 1818289497Smav if (cls[cl_idx] != NULL && 1819289497Smav (ret = changelist_prefix(cls[cl_idx])) != 0) 1820289497Smav goto error; 1821289497Smav 1822289497Smav cl_idx++; 1823289497Smav } 1824289497Smav assert(cl_idx == nvl_len); 1825289497Smav 1826168404Spjd /* 1827289497Smav * Execute the corresponding ioctl() to set this list of properties. 1828168404Spjd */ 1829168404Spjd (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); 1830168404Spjd 1831289497Smav if ((ret = zcmd_write_src_nvlist(hdl, &zc, nvl)) != 0 || 1832289497Smav (ret = zcmd_alloc_dst_nvlist(hdl, &zc, 0)) != 0) 1833168404Spjd goto error; 1834168404Spjd 1835185029Spjd ret = zfs_ioctl(hdl, ZFS_IOC_SET_PROP, &zc); 1836209962Smm 1837168404Spjd if (ret != 0) { 1838289497Smav /* Get the list of unset properties back and report them. */ 1839289497Smav nvlist_t *errorprops = NULL; 1840289497Smav if (zcmd_read_dst_nvlist(hdl, &zc, &errorprops) != 0) 1841289497Smav goto error; 1842289497Smav for (nvpair_t *elem = nvlist_next_nvpair(nvl, NULL); 1843289497Smav elem != NULL; 1844289497Smav elem = nvlist_next_nvpair(nvl, elem)) { 1845289497Smav zfs_prop_t prop = zfs_name_to_prop(nvpair_name(elem)); 1846289497Smav zfs_setprop_error(hdl, prop, errno, errbuf); 1847289497Smav } 1848289497Smav nvlist_free(errorprops); 1849289497Smav 1850219089Spjd if (added_resv && errno == ENOSPC) { 1851219089Spjd /* clean up the volsize property we tried to set */ 1852219089Spjd uint64_t old_volsize = zfs_prop_get_int(zhp, 1853219089Spjd ZFS_PROP_VOLSIZE); 1854219089Spjd nvlist_free(nvl); 1855289497Smav nvl = NULL; 1856219089Spjd zcmd_free_nvlists(&zc); 1857289497Smav 1858219089Spjd if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) 1859219089Spjd goto error; 1860219089Spjd if (nvlist_add_uint64(nvl, 1861219089Spjd zfs_prop_to_name(ZFS_PROP_VOLSIZE), 1862219089Spjd old_volsize) != 0) 1863219089Spjd goto error; 1864219089Spjd if (zcmd_write_src_nvlist(hdl, &zc, nvl) != 0) 1865219089Spjd goto error; 1866219089Spjd (void) zfs_ioctl(hdl, ZFS_IOC_SET_PROP, &zc); 1867168404Spjd } 1868168404Spjd } else { 1869289497Smav for (cl_idx = 0; cl_idx < nvl_len; cl_idx++) { 1870289497Smav if (cls[cl_idx] != NULL) { 1871289497Smav int clp_err = changelist_postfix(cls[cl_idx]); 1872289497Smav if (clp_err != 0) 1873289497Smav ret = clp_err; 1874289497Smav } 1875289497Smav } 1876185029Spjd 1877168404Spjd /* 1878168404Spjd * Refresh the statistics so the new property value 1879168404Spjd * is reflected. 1880168404Spjd */ 1881185029Spjd if (ret == 0) 1882168404Spjd (void) get_stats(zhp); 1883168404Spjd } 1884168404Spjd 1885168404Spjderror: 1886168404Spjd nvlist_free(nvl); 1887168404Spjd zcmd_free_nvlists(&zc); 1888289497Smav if (cls != NULL) { 1889289497Smav for (cl_idx = 0; cl_idx < nvl_len; cl_idx++) { 1890289497Smav if (cls[cl_idx] != NULL) 1891289497Smav changelist_free(cls[cl_idx]); 1892289497Smav } 1893289497Smav free(cls); 1894289497Smav } 1895168404Spjd return (ret); 1896168404Spjd} 1897168404Spjd 1898168404Spjd/* 1899219089Spjd * Given a property, inherit the value from the parent dataset, or if received 1900219089Spjd * is TRUE, revert to the received value, if any. 1901168404Spjd */ 1902168404Spjdint 1903219089Spjdzfs_prop_inherit(zfs_handle_t *zhp, const char *propname, boolean_t received) 1904168404Spjd{ 1905168404Spjd zfs_cmd_t zc = { 0 }; 1906168404Spjd int ret; 1907168404Spjd prop_changelist_t *cl; 1908168404Spjd libzfs_handle_t *hdl = zhp->zfs_hdl; 1909168404Spjd char errbuf[1024]; 1910168404Spjd zfs_prop_t prop; 1911168404Spjd 1912168404Spjd (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 1913168404Spjd "cannot inherit %s for '%s'"), propname, zhp->zfs_name); 1914168404Spjd 1915219089Spjd zc.zc_cookie = received; 1916185029Spjd if ((prop = zfs_name_to_prop(propname)) == ZPROP_INVAL) { 1917168404Spjd /* 1918168404Spjd * For user properties, the amount of work we have to do is very 1919168404Spjd * small, so just do it here. 1920168404Spjd */ 1921168404Spjd if (!zfs_prop_user(propname)) { 1922168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1923168404Spjd "invalid property")); 1924168404Spjd return (zfs_error(hdl, EZFS_BADPROP, errbuf)); 1925168404Spjd } 1926168404Spjd 1927168404Spjd (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); 1928168404Spjd (void) strlcpy(zc.zc_value, propname, sizeof (zc.zc_value)); 1929168404Spjd 1930185029Spjd if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_INHERIT_PROP, &zc) != 0) 1931168404Spjd return (zfs_standard_error(hdl, errno, errbuf)); 1932168404Spjd 1933168404Spjd return (0); 1934168404Spjd } 1935168404Spjd 1936168404Spjd /* 1937168404Spjd * Verify that this property is inheritable. 1938168404Spjd */ 1939168404Spjd if (zfs_prop_readonly(prop)) 1940168404Spjd return (zfs_error(hdl, EZFS_PROPREADONLY, errbuf)); 1941168404Spjd 1942219089Spjd if (!zfs_prop_inheritable(prop) && !received) 1943168404Spjd return (zfs_error(hdl, EZFS_PROPNONINHERIT, errbuf)); 1944168404Spjd 1945168404Spjd /* 1946168404Spjd * Check to see if the value applies to this type 1947168404Spjd */ 1948168404Spjd if (!zfs_prop_valid_for_type(prop, zhp->zfs_type)) 1949168404Spjd return (zfs_error(hdl, EZFS_PROPTYPE, errbuf)); 1950168404Spjd 1951168404Spjd /* 1952219089Spjd * Normalize the name, to get rid of shorthand abbreviations. 1953168404Spjd */ 1954168404Spjd propname = zfs_prop_to_name(prop); 1955168404Spjd (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); 1956168404Spjd (void) strlcpy(zc.zc_value, propname, sizeof (zc.zc_value)); 1957168404Spjd 1958168404Spjd if (prop == ZFS_PROP_MOUNTPOINT && getzoneid() == GLOBAL_ZONEID && 1959168404Spjd zfs_prop_get_int(zhp, ZFS_PROP_ZONED)) { 1960168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1961168404Spjd "dataset is used in a non-global zone")); 1962168404Spjd return (zfs_error(hdl, EZFS_ZONED, errbuf)); 1963168404Spjd } 1964168404Spjd 1965168404Spjd /* 1966168404Spjd * Determine datasets which will be affected by this change, if any. 1967168404Spjd */ 1968185029Spjd if ((cl = changelist_gather(zhp, prop, 0, 0)) == NULL) 1969168404Spjd return (-1); 1970168404Spjd 1971168404Spjd if (prop == ZFS_PROP_MOUNTPOINT && changelist_haszonedchild(cl)) { 1972168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1973168404Spjd "child dataset with inherited mountpoint is used " 1974168404Spjd "in a non-global zone")); 1975168404Spjd ret = zfs_error(hdl, EZFS_ZONED, errbuf); 1976168404Spjd goto error; 1977168404Spjd } 1978168404Spjd 1979168404Spjd if ((ret = changelist_prefix(cl)) != 0) 1980168404Spjd goto error; 1981168404Spjd 1982185029Spjd if ((ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_INHERIT_PROP, &zc)) != 0) { 1983168404Spjd return (zfs_standard_error(hdl, errno, errbuf)); 1984168404Spjd } else { 1985168404Spjd 1986168404Spjd if ((ret = changelist_postfix(cl)) != 0) 1987168404Spjd goto error; 1988168404Spjd 1989168404Spjd /* 1990168404Spjd * Refresh the statistics so the new property is reflected. 1991168404Spjd */ 1992168404Spjd (void) get_stats(zhp); 1993168404Spjd } 1994168404Spjd 1995168404Spjderror: 1996168404Spjd changelist_free(cl); 1997168404Spjd return (ret); 1998168404Spjd} 1999168404Spjd 2000168404Spjd/* 2001168404Spjd * True DSL properties are stored in an nvlist. The following two functions 2002168404Spjd * extract them appropriately. 2003168404Spjd */ 2004168404Spjdstatic uint64_t 2005168404Spjdgetprop_uint64(zfs_handle_t *zhp, zfs_prop_t prop, char **source) 2006168404Spjd{ 2007168404Spjd nvlist_t *nv; 2008168404Spjd uint64_t value; 2009168404Spjd 2010168404Spjd *source = NULL; 2011168404Spjd if (nvlist_lookup_nvlist(zhp->zfs_props, 2012168404Spjd zfs_prop_to_name(prop), &nv) == 0) { 2013185029Spjd verify(nvlist_lookup_uint64(nv, ZPROP_VALUE, &value) == 0); 2014185029Spjd (void) nvlist_lookup_string(nv, ZPROP_SOURCE, source); 2015168404Spjd } else { 2016205198Sdelphij verify(!zhp->zfs_props_table || 2017205198Sdelphij zhp->zfs_props_table[prop] == B_TRUE); 2018168404Spjd value = zfs_prop_default_numeric(prop); 2019168404Spjd *source = ""; 2020168404Spjd } 2021168404Spjd 2022168404Spjd return (value); 2023168404Spjd} 2024168404Spjd 2025289362Smavstatic const char * 2026168404Spjdgetprop_string(zfs_handle_t *zhp, zfs_prop_t prop, char **source) 2027168404Spjd{ 2028168404Spjd nvlist_t *nv; 2029289362Smav const char *value; 2030168404Spjd 2031168404Spjd *source = NULL; 2032168404Spjd if (nvlist_lookup_nvlist(zhp->zfs_props, 2033168404Spjd zfs_prop_to_name(prop), &nv) == 0) { 2034289362Smav value = fnvlist_lookup_string(nv, ZPROP_VALUE); 2035185029Spjd (void) nvlist_lookup_string(nv, ZPROP_SOURCE, source); 2036168404Spjd } else { 2037205198Sdelphij verify(!zhp->zfs_props_table || 2038205198Sdelphij zhp->zfs_props_table[prop] == B_TRUE); 2039289362Smav value = zfs_prop_default_string(prop); 2040168404Spjd *source = ""; 2041168404Spjd } 2042168404Spjd 2043168404Spjd return (value); 2044168404Spjd} 2045168404Spjd 2046219089Spjdstatic boolean_t 2047219089Spjdzfs_is_recvd_props_mode(zfs_handle_t *zhp) 2048219089Spjd{ 2049219089Spjd return (zhp->zfs_props == zhp->zfs_recvd_props); 2050219089Spjd} 2051219089Spjd 2052219089Spjdstatic void 2053219089Spjdzfs_set_recvd_props_mode(zfs_handle_t *zhp, uint64_t *cookie) 2054219089Spjd{ 2055219089Spjd *cookie = (uint64_t)(uintptr_t)zhp->zfs_props; 2056219089Spjd zhp->zfs_props = zhp->zfs_recvd_props; 2057219089Spjd} 2058219089Spjd 2059219089Spjdstatic void 2060219089Spjdzfs_unset_recvd_props_mode(zfs_handle_t *zhp, uint64_t *cookie) 2061219089Spjd{ 2062219089Spjd zhp->zfs_props = (nvlist_t *)(uintptr_t)*cookie; 2063219089Spjd *cookie = 0; 2064219089Spjd} 2065219089Spjd 2066168404Spjd/* 2067168404Spjd * Internal function for getting a numeric property. Both zfs_prop_get() and 2068168404Spjd * zfs_prop_get_int() are built using this interface. 2069168404Spjd * 2070168404Spjd * Certain properties can be overridden using 'mount -o'. In this case, scan 2071168404Spjd * the contents of the /etc/mnttab entry, searching for the appropriate options. 2072168404Spjd * If they differ from the on-disk values, report the current values and mark 2073168404Spjd * the source "temporary". 2074168404Spjd */ 2075168404Spjdstatic int 2076185029Spjdget_numeric_property(zfs_handle_t *zhp, zfs_prop_t prop, zprop_source_t *src, 2077168404Spjd char **source, uint64_t *val) 2078168404Spjd{ 2079185029Spjd zfs_cmd_t zc = { 0 }; 2080185029Spjd nvlist_t *zplprops = NULL; 2081168404Spjd struct mnttab mnt; 2082168404Spjd char *mntopt_on = NULL; 2083168404Spjd char *mntopt_off = NULL; 2084219089Spjd boolean_t received = zfs_is_recvd_props_mode(zhp); 2085168404Spjd 2086168404Spjd *source = NULL; 2087168404Spjd 2088168404Spjd switch (prop) { 2089168404Spjd case ZFS_PROP_ATIME: 2090168404Spjd mntopt_on = MNTOPT_ATIME; 2091168404Spjd mntopt_off = MNTOPT_NOATIME; 2092168404Spjd break; 2093168404Spjd 2094168404Spjd case ZFS_PROP_DEVICES: 2095168404Spjd mntopt_on = MNTOPT_DEVICES; 2096168404Spjd mntopt_off = MNTOPT_NODEVICES; 2097168404Spjd break; 2098168404Spjd 2099168404Spjd case ZFS_PROP_EXEC: 2100168404Spjd mntopt_on = MNTOPT_EXEC; 2101168404Spjd mntopt_off = MNTOPT_NOEXEC; 2102168404Spjd break; 2103168404Spjd 2104168404Spjd case ZFS_PROP_READONLY: 2105168404Spjd mntopt_on = MNTOPT_RO; 2106168404Spjd mntopt_off = MNTOPT_RW; 2107168404Spjd break; 2108168404Spjd 2109168404Spjd case ZFS_PROP_SETUID: 2110168404Spjd mntopt_on = MNTOPT_SETUID; 2111168404Spjd mntopt_off = MNTOPT_NOSETUID; 2112168404Spjd break; 2113168404Spjd 2114168404Spjd case ZFS_PROP_XATTR: 2115168404Spjd mntopt_on = MNTOPT_XATTR; 2116168404Spjd mntopt_off = MNTOPT_NOXATTR; 2117168404Spjd break; 2118185029Spjd 2119185029Spjd case ZFS_PROP_NBMAND: 2120185029Spjd mntopt_on = MNTOPT_NBMAND; 2121185029Spjd mntopt_off = MNTOPT_NONBMAND; 2122185029Spjd break; 2123307050Smav 2124307050Smav default: 2125307050Smav break; 2126168404Spjd } 2127168404Spjd 2128168404Spjd /* 2129168404Spjd * Because looking up the mount options is potentially expensive 2130168404Spjd * (iterating over all of /etc/mnttab), we defer its calculation until 2131168404Spjd * we're looking up a property which requires its presence. 2132168404Spjd */ 2133168404Spjd if (!zhp->zfs_mntcheck && 2134168404Spjd (mntopt_on != NULL || prop == ZFS_PROP_MOUNTED)) { 2135209962Smm libzfs_handle_t *hdl = zhp->zfs_hdl; 2136209962Smm struct mnttab entry; 2137168404Spjd 2138209962Smm if (libzfs_mnttab_find(hdl, zhp->zfs_name, &entry) == 0) { 2139209962Smm zhp->zfs_mntopts = zfs_strdup(hdl, 2140168404Spjd entry.mnt_mntopts); 2141168404Spjd if (zhp->zfs_mntopts == NULL) 2142168404Spjd return (-1); 2143168404Spjd } 2144168404Spjd 2145168404Spjd zhp->zfs_mntcheck = B_TRUE; 2146168404Spjd } 2147168404Spjd 2148168404Spjd if (zhp->zfs_mntopts == NULL) 2149168404Spjd mnt.mnt_mntopts = ""; 2150168404Spjd else 2151168404Spjd mnt.mnt_mntopts = zhp->zfs_mntopts; 2152168404Spjd 2153168404Spjd switch (prop) { 2154168404Spjd case ZFS_PROP_ATIME: 2155168404Spjd case ZFS_PROP_DEVICES: 2156168404Spjd case ZFS_PROP_EXEC: 2157168404Spjd case ZFS_PROP_READONLY: 2158168404Spjd case ZFS_PROP_SETUID: 2159168404Spjd case ZFS_PROP_XATTR: 2160185029Spjd case ZFS_PROP_NBMAND: 2161168404Spjd *val = getprop_uint64(zhp, prop, source); 2162168404Spjd 2163219089Spjd if (received) 2164219089Spjd break; 2165219089Spjd 2166168404Spjd if (hasmntopt(&mnt, mntopt_on) && !*val) { 2167168404Spjd *val = B_TRUE; 2168168404Spjd if (src) 2169185029Spjd *src = ZPROP_SRC_TEMPORARY; 2170168404Spjd } else if (hasmntopt(&mnt, mntopt_off) && *val) { 2171168404Spjd *val = B_FALSE; 2172168404Spjd if (src) 2173185029Spjd *src = ZPROP_SRC_TEMPORARY; 2174168404Spjd } 2175168404Spjd break; 2176168404Spjd 2177168404Spjd case ZFS_PROP_CANMOUNT: 2178219089Spjd case ZFS_PROP_VOLSIZE: 2179168404Spjd case ZFS_PROP_QUOTA: 2180185029Spjd case ZFS_PROP_REFQUOTA: 2181168404Spjd case ZFS_PROP_RESERVATION: 2182185029Spjd case ZFS_PROP_REFRESERVATION: 2183264835Sdelphij case ZFS_PROP_FILESYSTEM_LIMIT: 2184264835Sdelphij case ZFS_PROP_SNAPSHOT_LIMIT: 2185264835Sdelphij case ZFS_PROP_FILESYSTEM_COUNT: 2186264835Sdelphij case ZFS_PROP_SNAPSHOT_COUNT: 2187168404Spjd *val = getprop_uint64(zhp, prop, source); 2188219089Spjd 2189219089Spjd if (*source == NULL) { 2190219089Spjd /* not default, must be local */ 2191168404Spjd *source = zhp->zfs_name; 2192219089Spjd } 2193168404Spjd break; 2194168404Spjd 2195168404Spjd case ZFS_PROP_MOUNTED: 2196168404Spjd *val = (zhp->zfs_mntopts != NULL); 2197168404Spjd break; 2198168404Spjd 2199168404Spjd case ZFS_PROP_NUMCLONES: 2200168404Spjd *val = zhp->zfs_dmustats.dds_num_clones; 2201168404Spjd break; 2202168404Spjd 2203185029Spjd case ZFS_PROP_VERSION: 2204185029Spjd case ZFS_PROP_NORMALIZE: 2205185029Spjd case ZFS_PROP_UTF8ONLY: 2206185029Spjd case ZFS_PROP_CASE: 2207185029Spjd if (!zfs_prop_valid_for_type(prop, zhp->zfs_head_type) || 2208185029Spjd zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0) 2209185029Spjd return (-1); 2210185029Spjd (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); 2211185029Spjd if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_OBJSET_ZPLPROPS, &zc)) { 2212185029Spjd zcmd_free_nvlists(&zc); 2213219089Spjd return (-1); 2214185029Spjd } 2215185029Spjd if (zcmd_read_dst_nvlist(zhp->zfs_hdl, &zc, &zplprops) != 0 || 2216185029Spjd nvlist_lookup_uint64(zplprops, zfs_prop_to_name(prop), 2217185029Spjd val) != 0) { 2218185029Spjd zcmd_free_nvlists(&zc); 2219219089Spjd return (-1); 2220185029Spjd } 2221296528Smav nvlist_free(zplprops); 2222185029Spjd zcmd_free_nvlists(&zc); 2223185029Spjd break; 2224185029Spjd 2225253819Sdelphij case ZFS_PROP_INCONSISTENT: 2226253819Sdelphij *val = zhp->zfs_dmustats.dds_inconsistent; 2227253819Sdelphij break; 2228253819Sdelphij 2229168404Spjd default: 2230185029Spjd switch (zfs_prop_get_type(prop)) { 2231185029Spjd case PROP_TYPE_NUMBER: 2232185029Spjd case PROP_TYPE_INDEX: 2233185029Spjd *val = getprop_uint64(zhp, prop, source); 2234185029Spjd /* 2235209962Smm * If we tried to use a default value for a 2236185029Spjd * readonly property, it means that it was not 2237331391Smav * present. Note this only applies to "truly" 2238331391Smav * readonly properties, not set-once properties 2239331391Smav * like volblocksize. 2240185029Spjd */ 2241185029Spjd if (zfs_prop_readonly(prop) && 2242331391Smav !zfs_prop_setonce(prop) && 2243219089Spjd *source != NULL && (*source)[0] == '\0') { 2244219089Spjd *source = NULL; 2245325139Savg return (-1); 2246185029Spjd } 2247185029Spjd break; 2248185029Spjd 2249185029Spjd case PROP_TYPE_STRING: 2250185029Spjd default: 2251185029Spjd zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, 2252185029Spjd "cannot get non-numeric property")); 2253185029Spjd return (zfs_error(zhp->zfs_hdl, EZFS_BADPROP, 2254185029Spjd dgettext(TEXT_DOMAIN, "internal error"))); 2255185029Spjd } 2256168404Spjd } 2257168404Spjd 2258168404Spjd return (0); 2259168404Spjd} 2260168404Spjd 2261168404Spjd/* 2262168404Spjd * Calculate the source type, given the raw source string. 2263168404Spjd */ 2264168404Spjdstatic void 2265185029Spjdget_source(zfs_handle_t *zhp, zprop_source_t *srctype, char *source, 2266168404Spjd char *statbuf, size_t statlen) 2267168404Spjd{ 2268185029Spjd if (statbuf == NULL || *srctype == ZPROP_SRC_TEMPORARY) 2269168404Spjd return; 2270168404Spjd 2271168404Spjd if (source == NULL) { 2272185029Spjd *srctype = ZPROP_SRC_NONE; 2273168404Spjd } else if (source[0] == '\0') { 2274185029Spjd *srctype = ZPROP_SRC_DEFAULT; 2275219089Spjd } else if (strstr(source, ZPROP_SOURCE_VAL_RECVD) != NULL) { 2276219089Spjd *srctype = ZPROP_SRC_RECEIVED; 2277168404Spjd } else { 2278168404Spjd if (strcmp(source, zhp->zfs_name) == 0) { 2279185029Spjd *srctype = ZPROP_SRC_LOCAL; 2280168404Spjd } else { 2281168404Spjd (void) strlcpy(statbuf, source, statlen); 2282185029Spjd *srctype = ZPROP_SRC_INHERITED; 2283168404Spjd } 2284168404Spjd } 2285168404Spjd 2286168404Spjd} 2287168404Spjd 2288219089Spjdint 2289219089Spjdzfs_prop_get_recvd(zfs_handle_t *zhp, const char *propname, char *propbuf, 2290219089Spjd size_t proplen, boolean_t literal) 2291219089Spjd{ 2292219089Spjd zfs_prop_t prop; 2293219089Spjd int err = 0; 2294219089Spjd 2295219089Spjd if (zhp->zfs_recvd_props == NULL) 2296219089Spjd if (get_recvd_props_ioctl(zhp) != 0) 2297219089Spjd return (-1); 2298219089Spjd 2299219089Spjd prop = zfs_name_to_prop(propname); 2300219089Spjd 2301219089Spjd if (prop != ZPROP_INVAL) { 2302219089Spjd uint64_t cookie; 2303219089Spjd if (!nvlist_exists(zhp->zfs_recvd_props, propname)) 2304219089Spjd return (-1); 2305219089Spjd zfs_set_recvd_props_mode(zhp, &cookie); 2306219089Spjd err = zfs_prop_get(zhp, prop, propbuf, proplen, 2307219089Spjd NULL, NULL, 0, literal); 2308219089Spjd zfs_unset_recvd_props_mode(zhp, &cookie); 2309219089Spjd } else { 2310219089Spjd nvlist_t *propval; 2311219089Spjd char *recvdval; 2312219089Spjd if (nvlist_lookup_nvlist(zhp->zfs_recvd_props, 2313219089Spjd propname, &propval) != 0) 2314219089Spjd return (-1); 2315219089Spjd verify(nvlist_lookup_string(propval, ZPROP_VALUE, 2316219089Spjd &recvdval) == 0); 2317219089Spjd (void) strlcpy(propbuf, recvdval, proplen); 2318219089Spjd } 2319219089Spjd 2320219089Spjd return (err == 0 ? 0 : -1); 2321219089Spjd} 2322219089Spjd 2323228103Smmstatic int 2324228103Smmget_clones_string(zfs_handle_t *zhp, char *propbuf, size_t proplen) 2325228103Smm{ 2326228103Smm nvlist_t *value; 2327228103Smm nvpair_t *pair; 2328228103Smm 2329228103Smm value = zfs_get_clones_nvl(zhp); 2330228103Smm if (value == NULL) 2331228103Smm return (-1); 2332228103Smm 2333228103Smm propbuf[0] = '\0'; 2334228103Smm for (pair = nvlist_next_nvpair(value, NULL); pair != NULL; 2335228103Smm pair = nvlist_next_nvpair(value, pair)) { 2336228103Smm if (propbuf[0] != '\0') 2337228103Smm (void) strlcat(propbuf, ",", proplen); 2338228103Smm (void) strlcat(propbuf, nvpair_name(pair), proplen); 2339228103Smm } 2340228103Smm 2341228103Smm return (0); 2342228103Smm} 2343228103Smm 2344228103Smmstruct get_clones_arg { 2345228103Smm uint64_t numclones; 2346228103Smm nvlist_t *value; 2347228103Smm const char *origin; 2348307108Smav char buf[ZFS_MAX_DATASET_NAME_LEN]; 2349228103Smm}; 2350228103Smm 2351228103Smmint 2352228103Smmget_clones_cb(zfs_handle_t *zhp, void *arg) 2353228103Smm{ 2354228103Smm struct get_clones_arg *gca = arg; 2355228103Smm 2356228103Smm if (gca->numclones == 0) { 2357228103Smm zfs_close(zhp); 2358228103Smm return (0); 2359228103Smm } 2360228103Smm 2361228103Smm if (zfs_prop_get(zhp, ZFS_PROP_ORIGIN, gca->buf, sizeof (gca->buf), 2362228103Smm NULL, NULL, 0, B_TRUE) != 0) 2363228103Smm goto out; 2364228103Smm if (strcmp(gca->buf, gca->origin) == 0) { 2365248571Smm fnvlist_add_boolean(gca->value, zfs_get_name(zhp)); 2366228103Smm gca->numclones--; 2367228103Smm } 2368228103Smm 2369228103Smmout: 2370228103Smm (void) zfs_iter_children(zhp, get_clones_cb, gca); 2371228103Smm zfs_close(zhp); 2372228103Smm return (0); 2373228103Smm} 2374228103Smm 2375228103Smmnvlist_t * 2376228103Smmzfs_get_clones_nvl(zfs_handle_t *zhp) 2377228103Smm{ 2378228103Smm nvlist_t *nv, *value; 2379228103Smm 2380228103Smm if (nvlist_lookup_nvlist(zhp->zfs_props, 2381228103Smm zfs_prop_to_name(ZFS_PROP_CLONES), &nv) != 0) { 2382228103Smm struct get_clones_arg gca; 2383228103Smm 2384228103Smm /* 2385228103Smm * if this is a snapshot, then the kernel wasn't able 2386228103Smm * to get the clones. Do it by slowly iterating. 2387228103Smm */ 2388228103Smm if (zhp->zfs_type != ZFS_TYPE_SNAPSHOT) 2389228103Smm return (NULL); 2390228103Smm if (nvlist_alloc(&nv, NV_UNIQUE_NAME, 0) != 0) 2391228103Smm return (NULL); 2392228103Smm if (nvlist_alloc(&value, NV_UNIQUE_NAME, 0) != 0) { 2393228103Smm nvlist_free(nv); 2394228103Smm return (NULL); 2395228103Smm } 2396228103Smm 2397228103Smm gca.numclones = zfs_prop_get_int(zhp, ZFS_PROP_NUMCLONES); 2398228103Smm gca.value = value; 2399228103Smm gca.origin = zhp->zfs_name; 2400228103Smm 2401228103Smm if (gca.numclones != 0) { 2402228103Smm zfs_handle_t *root; 2403307108Smav char pool[ZFS_MAX_DATASET_NAME_LEN]; 2404228103Smm char *cp = pool; 2405228103Smm 2406228103Smm /* get the pool name */ 2407228103Smm (void) strlcpy(pool, zhp->zfs_name, sizeof (pool)); 2408228103Smm (void) strsep(&cp, "/@"); 2409228103Smm root = zfs_open(zhp->zfs_hdl, pool, 2410228103Smm ZFS_TYPE_FILESYSTEM); 2411228103Smm 2412228103Smm (void) get_clones_cb(root, &gca); 2413228103Smm } 2414228103Smm 2415228103Smm if (gca.numclones != 0 || 2416228103Smm nvlist_add_nvlist(nv, ZPROP_VALUE, value) != 0 || 2417228103Smm nvlist_add_nvlist(zhp->zfs_props, 2418228103Smm zfs_prop_to_name(ZFS_PROP_CLONES), nv) != 0) { 2419228103Smm nvlist_free(nv); 2420228103Smm nvlist_free(value); 2421228103Smm return (NULL); 2422228103Smm } 2423228103Smm nvlist_free(nv); 2424228103Smm nvlist_free(value); 2425228103Smm verify(0 == nvlist_lookup_nvlist(zhp->zfs_props, 2426228103Smm zfs_prop_to_name(ZFS_PROP_CLONES), &nv)); 2427228103Smm } 2428228103Smm 2429228103Smm verify(nvlist_lookup_nvlist(nv, ZPROP_VALUE, &value) == 0); 2430228103Smm 2431228103Smm return (value); 2432228103Smm} 2433228103Smm 2434168404Spjd/* 2435325534Savg * Accepts a property and value and checks that the value 2436325534Savg * matches the one found by the channel program. If they are 2437325534Savg * not equal, print both of them. 2438325534Savg */ 2439325534Savgvoid 2440325534Savgzcp_check(zfs_handle_t *zhp, zfs_prop_t prop, uint64_t intval, 2441325534Savg const char *strval) 2442325534Savg{ 2443325534Savg if (!zhp->zfs_hdl->libzfs_prop_debug) 2444325534Savg return; 2445325534Savg int error; 2446325534Savg char *poolname = zhp->zpool_hdl->zpool_name; 2447325534Savg const char *program = 2448325534Savg "args = ...\n" 2449325534Savg "ds = args['dataset']\n" 2450325534Savg "prop = args['property']\n" 2451325534Savg "value, setpoint = zfs.get_prop(ds, prop)\n" 2452325534Savg "return {value=value, setpoint=setpoint}\n"; 2453325534Savg nvlist_t *outnvl; 2454325534Savg nvlist_t *retnvl; 2455325534Savg nvlist_t *argnvl = fnvlist_alloc(); 2456325534Savg 2457325534Savg fnvlist_add_string(argnvl, "dataset", zhp->zfs_name); 2458325534Savg fnvlist_add_string(argnvl, "property", zfs_prop_to_name(prop)); 2459325534Savg 2460329484Smav error = lzc_channel_program_nosync(poolname, program, 2461325534Savg 10 * 1000 * 1000, 10 * 1024 * 1024, argnvl, &outnvl); 2462325534Savg 2463325534Savg if (error == 0) { 2464325534Savg retnvl = fnvlist_lookup_nvlist(outnvl, "return"); 2465325534Savg if (zfs_prop_get_type(prop) == PROP_TYPE_NUMBER) { 2466325534Savg int64_t ans; 2467325534Savg error = nvlist_lookup_int64(retnvl, "value", &ans); 2468325534Savg if (error != 0) { 2469325534Savg (void) fprintf(stderr, "zcp check error: %u\n", 2470325534Savg error); 2471325534Savg return; 2472325534Savg } 2473325534Savg if (ans != intval) { 2474325534Savg (void) fprintf(stderr, 2475325534Savg "%s: zfs found %lld, but zcp found %lld\n", 2476325534Savg zfs_prop_to_name(prop), 2477325534Savg (longlong_t)intval, (longlong_t)ans); 2478325534Savg } 2479325534Savg } else { 2480325534Savg char *str_ans; 2481325534Savg error = nvlist_lookup_string(retnvl, "value", &str_ans); 2482325534Savg if (error != 0) { 2483325534Savg (void) fprintf(stderr, "zcp check error: %u\n", 2484325534Savg error); 2485325534Savg return; 2486325534Savg } 2487325534Savg if (strcmp(strval, str_ans) != 0) { 2488325534Savg (void) fprintf(stderr, 2489325534Savg "%s: zfs found %s, but zcp found %s\n", 2490325534Savg zfs_prop_to_name(prop), 2491325534Savg strval, str_ans); 2492325534Savg } 2493325534Savg } 2494325534Savg } else { 2495325534Savg (void) fprintf(stderr, 2496325534Savg "zcp check failed, channel program error: %u\n", error); 2497325534Savg } 2498325534Savg nvlist_free(argnvl); 2499325534Savg nvlist_free(outnvl); 2500325534Savg} 2501325534Savg 2502325534Savg/* 2503168404Spjd * Retrieve a property from the given object. If 'literal' is specified, then 2504168404Spjd * numbers are left as exact values. Otherwise, numbers are converted to a 2505168404Spjd * human-readable form. 2506168404Spjd * 2507168404Spjd * Returns 0 on success, or -1 on error. 2508168404Spjd */ 2509168404Spjdint 2510168404Spjdzfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen, 2511185029Spjd zprop_source_t *src, char *statbuf, size_t statlen, boolean_t literal) 2512168404Spjd{ 2513168404Spjd char *source = NULL; 2514168404Spjd uint64_t val; 2515289362Smav const char *str; 2516168404Spjd const char *strval; 2517219089Spjd boolean_t received = zfs_is_recvd_props_mode(zhp); 2518168404Spjd 2519168404Spjd /* 2520168404Spjd * Check to see if this property applies to our object 2521168404Spjd */ 2522168404Spjd if (!zfs_prop_valid_for_type(prop, zhp->zfs_type)) 2523168404Spjd return (-1); 2524168404Spjd 2525219089Spjd if (received && zfs_prop_readonly(prop)) 2526219089Spjd return (-1); 2527219089Spjd 2528168404Spjd if (src) 2529185029Spjd *src = ZPROP_SRC_NONE; 2530168404Spjd 2531168404Spjd switch (prop) { 2532168404Spjd case ZFS_PROP_CREATION: 2533168404Spjd /* 2534168404Spjd * 'creation' is a time_t stored in the statistics. We convert 2535168404Spjd * this into a string unless 'literal' is specified. 2536168404Spjd */ 2537168404Spjd { 2538168404Spjd val = getprop_uint64(zhp, prop, &source); 2539168404Spjd time_t time = (time_t)val; 2540168404Spjd struct tm t; 2541168404Spjd 2542168404Spjd if (literal || 2543168404Spjd localtime_r(&time, &t) == NULL || 2544168404Spjd strftime(propbuf, proplen, "%a %b %e %k:%M %Y", 2545168404Spjd &t) == 0) 2546168404Spjd (void) snprintf(propbuf, proplen, "%llu", val); 2547168404Spjd } 2548325534Savg zcp_check(zhp, prop, val, NULL); 2549168404Spjd break; 2550168404Spjd 2551168404Spjd case ZFS_PROP_MOUNTPOINT: 2552168404Spjd /* 2553168404Spjd * Getting the precise mountpoint can be tricky. 2554168404Spjd * 2555168404Spjd * - for 'none' or 'legacy', return those values. 2556168404Spjd * - for inherited mountpoints, we want to take everything 2557168404Spjd * after our ancestor and append it to the inherited value. 2558168404Spjd * 2559168404Spjd * If the pool has an alternate root, we want to prepend that 2560168404Spjd * root to any values we return. 2561168404Spjd */ 2562185029Spjd 2563168404Spjd str = getprop_string(zhp, prop, &source); 2564168404Spjd 2565185029Spjd if (str[0] == '/') { 2566185029Spjd char buf[MAXPATHLEN]; 2567185029Spjd char *root = buf; 2568219089Spjd const char *relpath; 2569168404Spjd 2570219089Spjd /* 2571219089Spjd * If we inherit the mountpoint, even from a dataset 2572219089Spjd * with a received value, the source will be the path of 2573219089Spjd * the dataset we inherit from. If source is 2574219089Spjd * ZPROP_SOURCE_VAL_RECVD, the received value is not 2575219089Spjd * inherited. 2576219089Spjd */ 2577219089Spjd if (strcmp(source, ZPROP_SOURCE_VAL_RECVD) == 0) { 2578219089Spjd relpath = ""; 2579219089Spjd } else { 2580219089Spjd relpath = zhp->zfs_name + strlen(source); 2581219089Spjd if (relpath[0] == '/') 2582219089Spjd relpath++; 2583219089Spjd } 2584185029Spjd 2585185029Spjd if ((zpool_get_prop(zhp->zpool_hdl, 2586263889Sdelphij ZPOOL_PROP_ALTROOT, buf, MAXPATHLEN, NULL, 2587263889Sdelphij B_FALSE)) || (strcmp(root, "-") == 0)) 2588185029Spjd root[0] = '\0'; 2589185029Spjd /* 2590185029Spjd * Special case an alternate root of '/'. This will 2591185029Spjd * avoid having multiple leading slashes in the 2592185029Spjd * mountpoint path. 2593185029Spjd */ 2594185029Spjd if (strcmp(root, "/") == 0) 2595185029Spjd root++; 2596185029Spjd 2597185029Spjd /* 2598185029Spjd * If the mountpoint is '/' then skip over this 2599185029Spjd * if we are obtaining either an alternate root or 2600185029Spjd * an inherited mountpoint. 2601185029Spjd */ 2602185029Spjd if (str[1] == '\0' && (root[0] != '\0' || 2603185029Spjd relpath[0] != '\0')) 2604168404Spjd str++; 2605168404Spjd 2606168404Spjd if (relpath[0] == '\0') 2607168404Spjd (void) snprintf(propbuf, proplen, "%s%s", 2608168404Spjd root, str); 2609168404Spjd else 2610168404Spjd (void) snprintf(propbuf, proplen, "%s%s%s%s", 2611168404Spjd root, str, relpath[0] == '@' ? "" : "/", 2612168404Spjd relpath); 2613168404Spjd } else { 2614168404Spjd /* 'legacy' or 'none' */ 2615168404Spjd (void) strlcpy(propbuf, str, proplen); 2616168404Spjd } 2617325534Savg zcp_check(zhp, prop, NULL, propbuf); 2618168404Spjd break; 2619168404Spjd 2620168404Spjd case ZFS_PROP_ORIGIN: 2621289362Smav str = getprop_string(zhp, prop, &source); 2622289362Smav if (str == NULL) 2623168404Spjd return (-1); 2624289362Smav (void) strlcpy(propbuf, str, proplen); 2625325534Savg zcp_check(zhp, prop, NULL, str); 2626168404Spjd break; 2627168404Spjd 2628228103Smm case ZFS_PROP_CLONES: 2629228103Smm if (get_clones_string(zhp, propbuf, proplen) != 0) 2630228103Smm return (-1); 2631228103Smm break; 2632228103Smm 2633168404Spjd case ZFS_PROP_QUOTA: 2634185029Spjd case ZFS_PROP_REFQUOTA: 2635168404Spjd case ZFS_PROP_RESERVATION: 2636185029Spjd case ZFS_PROP_REFRESERVATION: 2637185029Spjd 2638168404Spjd if (get_numeric_property(zhp, prop, src, &source, &val) != 0) 2639168404Spjd return (-1); 2640168404Spjd /* 2641168404Spjd * If quota or reservation is 0, we translate this into 'none' 2642168404Spjd * (unless literal is set), and indicate that it's the default 2643168404Spjd * value. Otherwise, we print the number nicely and indicate 2644168404Spjd * that its set locally. 2645168404Spjd */ 2646168404Spjd if (val == 0) { 2647168404Spjd if (literal) 2648168404Spjd (void) strlcpy(propbuf, "0", proplen); 2649168404Spjd else 2650168404Spjd (void) strlcpy(propbuf, "none", proplen); 2651168404Spjd } else { 2652168404Spjd if (literal) 2653168404Spjd (void) snprintf(propbuf, proplen, "%llu", 2654168404Spjd (u_longlong_t)val); 2655168404Spjd else 2656168404Spjd zfs_nicenum(val, propbuf, proplen); 2657168404Spjd } 2658325534Savg zcp_check(zhp, prop, val, NULL); 2659168404Spjd break; 2660168404Spjd 2661264835Sdelphij case ZFS_PROP_FILESYSTEM_LIMIT: 2662264835Sdelphij case ZFS_PROP_SNAPSHOT_LIMIT: 2663264835Sdelphij case ZFS_PROP_FILESYSTEM_COUNT: 2664264835Sdelphij case ZFS_PROP_SNAPSHOT_COUNT: 2665264835Sdelphij 2666264835Sdelphij if (get_numeric_property(zhp, prop, src, &source, &val) != 0) 2667264835Sdelphij return (-1); 2668264835Sdelphij 2669264835Sdelphij /* 2670264835Sdelphij * If limit is UINT64_MAX, we translate this into 'none' (unless 2671264835Sdelphij * literal is set), and indicate that it's the default value. 2672264835Sdelphij * Otherwise, we print the number nicely and indicate that it's 2673264835Sdelphij * set locally. 2674264835Sdelphij */ 2675264835Sdelphij if (literal) { 2676264835Sdelphij (void) snprintf(propbuf, proplen, "%llu", 2677264835Sdelphij (u_longlong_t)val); 2678264835Sdelphij } else if (val == UINT64_MAX) { 2679264835Sdelphij (void) strlcpy(propbuf, "none", proplen); 2680264835Sdelphij } else { 2681264835Sdelphij zfs_nicenum(val, propbuf, proplen); 2682264835Sdelphij } 2683325534Savg 2684325534Savg zcp_check(zhp, prop, val, NULL); 2685264835Sdelphij break; 2686264835Sdelphij 2687223623Smm case ZFS_PROP_REFRATIO: 2688168404Spjd case ZFS_PROP_COMPRESSRATIO: 2689168404Spjd if (get_numeric_property(zhp, prop, src, &source, &val) != 0) 2690168404Spjd return (-1); 2691219089Spjd (void) snprintf(propbuf, proplen, "%llu.%02llux", 2692219089Spjd (u_longlong_t)(val / 100), 2693219089Spjd (u_longlong_t)(val % 100)); 2694325534Savg zcp_check(zhp, prop, val, NULL); 2695168404Spjd break; 2696168404Spjd 2697168404Spjd case ZFS_PROP_TYPE: 2698168404Spjd switch (zhp->zfs_type) { 2699168404Spjd case ZFS_TYPE_FILESYSTEM: 2700168404Spjd str = "filesystem"; 2701168404Spjd break; 2702168404Spjd case ZFS_TYPE_VOLUME: 2703168404Spjd str = "volume"; 2704168404Spjd break; 2705168404Spjd case ZFS_TYPE_SNAPSHOT: 2706168404Spjd str = "snapshot"; 2707168404Spjd break; 2708260183Sdelphij case ZFS_TYPE_BOOKMARK: 2709260183Sdelphij str = "bookmark"; 2710260183Sdelphij break; 2711168404Spjd default: 2712168404Spjd abort(); 2713168404Spjd } 2714168404Spjd (void) snprintf(propbuf, proplen, "%s", str); 2715325534Savg zcp_check(zhp, prop, NULL, propbuf); 2716168404Spjd break; 2717168404Spjd 2718168404Spjd case ZFS_PROP_MOUNTED: 2719168404Spjd /* 2720168404Spjd * The 'mounted' property is a pseudo-property that described 2721168404Spjd * whether the filesystem is currently mounted. Even though 2722168404Spjd * it's a boolean value, the typical values of "on" and "off" 2723168404Spjd * don't make sense, so we translate to "yes" and "no". 2724168404Spjd */ 2725168404Spjd if (get_numeric_property(zhp, ZFS_PROP_MOUNTED, 2726168404Spjd src, &source, &val) != 0) 2727168404Spjd return (-1); 2728168404Spjd if (val) 2729168404Spjd (void) strlcpy(propbuf, "yes", proplen); 2730168404Spjd else 2731168404Spjd (void) strlcpy(propbuf, "no", proplen); 2732168404Spjd break; 2733168404Spjd 2734168404Spjd case ZFS_PROP_NAME: 2735168404Spjd /* 2736168404Spjd * The 'name' property is a pseudo-property derived from the 2737168404Spjd * dataset name. It is presented as a real property to simplify 2738168404Spjd * consumers. 2739168404Spjd */ 2740168404Spjd (void) strlcpy(propbuf, zhp->zfs_name, proplen); 2741325534Savg zcp_check(zhp, prop, NULL, propbuf); 2742168404Spjd break; 2743168404Spjd 2744219089Spjd case ZFS_PROP_MLSLABEL: 2745219089Spjd { 2746277300Ssmh#ifdef illumos 2747219089Spjd m_label_t *new_sl = NULL; 2748219089Spjd char *ascii = NULL; /* human readable label */ 2749219089Spjd 2750219089Spjd (void) strlcpy(propbuf, 2751219089Spjd getprop_string(zhp, prop, &source), proplen); 2752219089Spjd 2753219089Spjd if (literal || (strcasecmp(propbuf, 2754219089Spjd ZFS_MLSLABEL_DEFAULT) == 0)) 2755219089Spjd break; 2756219089Spjd 2757219089Spjd /* 2758219089Spjd * Try to translate the internal hex string to 2759219089Spjd * human-readable output. If there are any 2760219089Spjd * problems just use the hex string. 2761219089Spjd */ 2762219089Spjd 2763219089Spjd if (str_to_label(propbuf, &new_sl, MAC_LABEL, 2764219089Spjd L_NO_CORRECTION, NULL) == -1) { 2765219089Spjd m_label_free(new_sl); 2766219089Spjd break; 2767219089Spjd } 2768219089Spjd 2769219089Spjd if (label_to_str(new_sl, &ascii, M_LABEL, 2770219089Spjd DEF_NAMES) != 0) { 2771219089Spjd if (ascii) 2772219089Spjd free(ascii); 2773219089Spjd m_label_free(new_sl); 2774219089Spjd break; 2775219089Spjd } 2776219089Spjd m_label_free(new_sl); 2777219089Spjd 2778219089Spjd (void) strlcpy(propbuf, ascii, proplen); 2779219089Spjd free(ascii); 2780277300Ssmh#else /* !illumos */ 2781219089Spjd propbuf[0] = '\0'; 2782277300Ssmh#endif /* illumos */ 2783219089Spjd } 2784219089Spjd break; 2785219089Spjd 2786236705Smm case ZFS_PROP_GUID: 2787236705Smm /* 2788236705Smm * GUIDs are stored as numbers, but they are identifiers. 2789236705Smm * We don't want them to be pretty printed, because pretty 2790236705Smm * printing mangles the ID into a truncated and useless value. 2791236705Smm */ 2792236705Smm if (get_numeric_property(zhp, prop, src, &source, &val) != 0) 2793236705Smm return (-1); 2794236705Smm (void) snprintf(propbuf, proplen, "%llu", (u_longlong_t)val); 2795325534Savg zcp_check(zhp, prop, val, NULL); 2796236705Smm break; 2797236705Smm 2798168404Spjd default: 2799185029Spjd switch (zfs_prop_get_type(prop)) { 2800185029Spjd case PROP_TYPE_NUMBER: 2801185029Spjd if (get_numeric_property(zhp, prop, src, 2802325534Savg &source, &val) != 0) { 2803185029Spjd return (-1); 2804325534Savg } 2805325534Savg 2806325534Savg if (literal) { 2807185029Spjd (void) snprintf(propbuf, proplen, "%llu", 2808185029Spjd (u_longlong_t)val); 2809325534Savg } else { 2810185029Spjd zfs_nicenum(val, propbuf, proplen); 2811325534Savg } 2812325534Savg zcp_check(zhp, prop, val, NULL); 2813185029Spjd break; 2814185029Spjd 2815185029Spjd case PROP_TYPE_STRING: 2816289362Smav str = getprop_string(zhp, prop, &source); 2817289362Smav if (str == NULL) 2818289362Smav return (-1); 2819325534Savg 2820289362Smav (void) strlcpy(propbuf, str, proplen); 2821325534Savg zcp_check(zhp, prop, NULL, str); 2822185029Spjd break; 2823185029Spjd 2824185029Spjd case PROP_TYPE_INDEX: 2825185029Spjd if (get_numeric_property(zhp, prop, src, 2826185029Spjd &source, &val) != 0) 2827185029Spjd return (-1); 2828185029Spjd if (zfs_prop_index_to_string(prop, val, &strval) != 0) 2829185029Spjd return (-1); 2830325534Savg 2831185029Spjd (void) strlcpy(propbuf, strval, proplen); 2832325534Savg zcp_check(zhp, prop, NULL, strval); 2833185029Spjd break; 2834185029Spjd 2835185029Spjd default: 2836185029Spjd abort(); 2837185029Spjd } 2838168404Spjd } 2839168404Spjd 2840168404Spjd get_source(zhp, src, source, statbuf, statlen); 2841168404Spjd 2842168404Spjd return (0); 2843168404Spjd} 2844168404Spjd 2845168404Spjd/* 2846168404Spjd * Utility function to get the given numeric property. Does no validation that 2847168404Spjd * the given property is the appropriate type; should only be used with 2848168404Spjd * hard-coded property types. 2849168404Spjd */ 2850168404Spjduint64_t 2851168404Spjdzfs_prop_get_int(zfs_handle_t *zhp, zfs_prop_t prop) 2852168404Spjd{ 2853168404Spjd char *source; 2854168404Spjd uint64_t val; 2855168404Spjd 2856185029Spjd (void) get_numeric_property(zhp, prop, NULL, &source, &val); 2857168404Spjd 2858168404Spjd return (val); 2859168404Spjd} 2860168404Spjd 2861185029Spjdint 2862185029Spjdzfs_prop_set_int(zfs_handle_t *zhp, zfs_prop_t prop, uint64_t val) 2863185029Spjd{ 2864185029Spjd char buf[64]; 2865185029Spjd 2866209962Smm (void) snprintf(buf, sizeof (buf), "%llu", (longlong_t)val); 2867185029Spjd return (zfs_prop_set(zhp, zfs_prop_to_name(prop), buf)); 2868185029Spjd} 2869185029Spjd 2870168404Spjd/* 2871168404Spjd * Similar to zfs_prop_get(), but returns the value as an integer. 2872168404Spjd */ 2873168404Spjdint 2874168404Spjdzfs_prop_get_numeric(zfs_handle_t *zhp, zfs_prop_t prop, uint64_t *value, 2875185029Spjd zprop_source_t *src, char *statbuf, size_t statlen) 2876168404Spjd{ 2877168404Spjd char *source; 2878168404Spjd 2879168404Spjd /* 2880168404Spjd * Check to see if this property applies to our object 2881168404Spjd */ 2882185029Spjd if (!zfs_prop_valid_for_type(prop, zhp->zfs_type)) { 2883168404Spjd return (zfs_error_fmt(zhp->zfs_hdl, EZFS_PROPTYPE, 2884168404Spjd dgettext(TEXT_DOMAIN, "cannot get property '%s'"), 2885168404Spjd zfs_prop_to_name(prop))); 2886185029Spjd } 2887168404Spjd 2888168404Spjd if (src) 2889185029Spjd *src = ZPROP_SRC_NONE; 2890168404Spjd 2891168404Spjd if (get_numeric_property(zhp, prop, src, &source, value) != 0) 2892168404Spjd return (-1); 2893168404Spjd 2894168404Spjd get_source(zhp, src, source, statbuf, statlen); 2895168404Spjd 2896168404Spjd return (0); 2897168404Spjd} 2898168404Spjd 2899209962Smmstatic int 2900209962Smmidmap_id_to_numeric_domain_rid(uid_t id, boolean_t isuser, 2901209962Smm char **domainp, idmap_rid_t *ridp) 2902209962Smm{ 2903277300Ssmh#ifdef illumos 2904209962Smm idmap_get_handle_t *get_hdl = NULL; 2905209962Smm idmap_stat status; 2906209962Smm int err = EINVAL; 2907209962Smm 2908219089Spjd if (idmap_get_create(&get_hdl) != IDMAP_SUCCESS) 2909209962Smm goto out; 2910209962Smm 2911209962Smm if (isuser) { 2912209962Smm err = idmap_get_sidbyuid(get_hdl, id, 2913209962Smm IDMAP_REQ_FLG_USE_CACHE, domainp, ridp, &status); 2914209962Smm } else { 2915209962Smm err = idmap_get_sidbygid(get_hdl, id, 2916209962Smm IDMAP_REQ_FLG_USE_CACHE, domainp, ridp, &status); 2917209962Smm } 2918209962Smm if (err == IDMAP_SUCCESS && 2919209962Smm idmap_get_mappings(get_hdl) == IDMAP_SUCCESS && 2920209962Smm status == IDMAP_SUCCESS) 2921209962Smm err = 0; 2922209962Smm else 2923209962Smm err = EINVAL; 2924209962Smmout: 2925209962Smm if (get_hdl) 2926209962Smm idmap_get_destroy(get_hdl); 2927209962Smm return (err); 2928277300Ssmh#else /* !illumos */ 2929209962Smm assert(!"invalid code path"); 2930264852Ssmh return (EINVAL); // silence compiler warning 2931277300Ssmh#endif /* illumos */ 2932209962Smm} 2933209962Smm 2934168404Spjd/* 2935209962Smm * convert the propname into parameters needed by kernel 2936209962Smm * Eg: userquota@ahrens -> ZFS_PROP_USERQUOTA, "", 126829 2937209962Smm * Eg: userused@matt@domain -> ZFS_PROP_USERUSED, "S-1-123-456", 789 2938209962Smm */ 2939209962Smmstatic int 2940209962Smmuserquota_propname_decode(const char *propname, boolean_t zoned, 2941209962Smm zfs_userquota_prop_t *typep, char *domain, int domainlen, uint64_t *ridp) 2942209962Smm{ 2943209962Smm zfs_userquota_prop_t type; 2944209962Smm char *cp, *end; 2945209962Smm char *numericsid = NULL; 2946209962Smm boolean_t isuser; 2947209962Smm 2948209962Smm domain[0] = '\0'; 2949275579Sdelphij *ridp = 0; 2950209962Smm /* Figure out the property type ({user|group}{quota|space}) */ 2951209962Smm for (type = 0; type < ZFS_NUM_USERQUOTA_PROPS; type++) { 2952209962Smm if (strncmp(propname, zfs_userquota_prop_prefixes[type], 2953209962Smm strlen(zfs_userquota_prop_prefixes[type])) == 0) 2954209962Smm break; 2955209962Smm } 2956209962Smm if (type == ZFS_NUM_USERQUOTA_PROPS) 2957209962Smm return (EINVAL); 2958209962Smm *typep = type; 2959209962Smm 2960209962Smm isuser = (type == ZFS_PROP_USERQUOTA || 2961209962Smm type == ZFS_PROP_USERUSED); 2962209962Smm 2963209962Smm cp = strchr(propname, '@') + 1; 2964209962Smm 2965209962Smm if (strchr(cp, '@')) { 2966277300Ssmh#ifdef illumos 2967209962Smm /* 2968209962Smm * It's a SID name (eg "user@domain") that needs to be 2969209962Smm * turned into S-1-domainID-RID. 2970209962Smm */ 2971275579Sdelphij int flag = 0; 2972275579Sdelphij idmap_stat stat, map_stat; 2973275579Sdelphij uid_t pid; 2974275579Sdelphij idmap_rid_t rid; 2975275579Sdelphij idmap_get_handle_t *gh = NULL; 2976275579Sdelphij 2977275579Sdelphij stat = idmap_get_create(&gh); 2978275579Sdelphij if (stat != IDMAP_SUCCESS) { 2979275579Sdelphij idmap_get_destroy(gh); 2980275579Sdelphij return (ENOMEM); 2981275579Sdelphij } 2982209962Smm if (zoned && getzoneid() == GLOBAL_ZONEID) 2983209962Smm return (ENOENT); 2984209962Smm if (isuser) { 2985275579Sdelphij stat = idmap_getuidbywinname(cp, NULL, flag, &pid); 2986275579Sdelphij if (stat < 0) 2987275579Sdelphij return (ENOENT); 2988275579Sdelphij stat = idmap_get_sidbyuid(gh, pid, flag, &numericsid, 2989275579Sdelphij &rid, &map_stat); 2990209962Smm } else { 2991275579Sdelphij stat = idmap_getgidbywinname(cp, NULL, flag, &pid); 2992275579Sdelphij if (stat < 0) 2993275579Sdelphij return (ENOENT); 2994275579Sdelphij stat = idmap_get_sidbygid(gh, pid, flag, &numericsid, 2995275579Sdelphij &rid, &map_stat); 2996209962Smm } 2997275579Sdelphij if (stat < 0) { 2998275579Sdelphij idmap_get_destroy(gh); 2999209962Smm return (ENOENT); 3000209962Smm } 3001275579Sdelphij stat = idmap_get_mappings(gh); 3002275579Sdelphij idmap_get_destroy(gh); 3003275579Sdelphij 3004275579Sdelphij if (stat < 0) { 3005275579Sdelphij return (ENOENT); 3006275579Sdelphij } 3007209962Smm if (numericsid == NULL) 3008209962Smm return (ENOENT); 3009209962Smm cp = numericsid; 3010275579Sdelphij *ridp = rid; 3011209962Smm /* will be further decoded below */ 3012277300Ssmh#else /* !illumos */ 3013219089Spjd return (ENOENT); 3014277300Ssmh#endif /* illumos */ 3015209962Smm } 3016209962Smm 3017209962Smm if (strncmp(cp, "S-1-", 4) == 0) { 3018209962Smm /* It's a numeric SID (eg "S-1-234-567-89") */ 3019209962Smm (void) strlcpy(domain, cp, domainlen); 3020209962Smm errno = 0; 3021275579Sdelphij if (*ridp == 0) { 3022275579Sdelphij cp = strrchr(domain, '-'); 3023275579Sdelphij *cp = '\0'; 3024275579Sdelphij cp++; 3025275579Sdelphij *ridp = strtoull(cp, &end, 10); 3026275579Sdelphij } else { 3027275579Sdelphij end = ""; 3028275579Sdelphij } 3029209962Smm if (numericsid) { 3030209962Smm free(numericsid); 3031209962Smm numericsid = NULL; 3032209962Smm } 3033209962Smm if (errno != 0 || *end != '\0') 3034209962Smm return (EINVAL); 3035209962Smm } else if (!isdigit(*cp)) { 3036209962Smm /* 3037209962Smm * It's a user/group name (eg "user") that needs to be 3038209962Smm * turned into a uid/gid 3039209962Smm */ 3040209962Smm if (zoned && getzoneid() == GLOBAL_ZONEID) 3041209962Smm return (ENOENT); 3042209962Smm if (isuser) { 3043209962Smm struct passwd *pw; 3044209962Smm pw = getpwnam(cp); 3045209962Smm if (pw == NULL) 3046209962Smm return (ENOENT); 3047209962Smm *ridp = pw->pw_uid; 3048209962Smm } else { 3049209962Smm struct group *gr; 3050209962Smm gr = getgrnam(cp); 3051209962Smm if (gr == NULL) 3052209962Smm return (ENOENT); 3053209962Smm *ridp = gr->gr_gid; 3054209962Smm } 3055209962Smm } else { 3056209962Smm /* It's a user/group ID (eg "12345"). */ 3057209962Smm uid_t id = strtoul(cp, &end, 10); 3058209962Smm idmap_rid_t rid; 3059209962Smm char *mapdomain; 3060209962Smm 3061209962Smm if (*end != '\0') 3062209962Smm return (EINVAL); 3063209962Smm if (id > MAXUID) { 3064209962Smm /* It's an ephemeral ID. */ 3065209962Smm if (idmap_id_to_numeric_domain_rid(id, isuser, 3066209962Smm &mapdomain, &rid) != 0) 3067209962Smm return (ENOENT); 3068209962Smm (void) strlcpy(domain, mapdomain, domainlen); 3069209962Smm *ridp = rid; 3070209962Smm } else { 3071209962Smm *ridp = id; 3072209962Smm } 3073209962Smm } 3074209962Smm 3075209962Smm ASSERT3P(numericsid, ==, NULL); 3076209962Smm return (0); 3077209962Smm} 3078209962Smm 3079209962Smmstatic int 3080209962Smmzfs_prop_get_userquota_common(zfs_handle_t *zhp, const char *propname, 3081209962Smm uint64_t *propvalue, zfs_userquota_prop_t *typep) 3082209962Smm{ 3083209962Smm int err; 3084209962Smm zfs_cmd_t zc = { 0 }; 3085209962Smm 3086228103Smm (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); 3087209962Smm 3088209962Smm err = userquota_propname_decode(propname, 3089209962Smm zfs_prop_get_int(zhp, ZFS_PROP_ZONED), 3090209962Smm typep, zc.zc_value, sizeof (zc.zc_value), &zc.zc_guid); 3091209962Smm zc.zc_objset_type = *typep; 3092209962Smm if (err) 3093209962Smm return (err); 3094209962Smm 3095209962Smm err = ioctl(zhp->zfs_hdl->libzfs_fd, ZFS_IOC_USERSPACE_ONE, &zc); 3096209962Smm if (err) 3097209962Smm return (err); 3098209962Smm 3099209962Smm *propvalue = zc.zc_cookie; 3100209962Smm return (0); 3101209962Smm} 3102209962Smm 3103209962Smmint 3104209962Smmzfs_prop_get_userquota_int(zfs_handle_t *zhp, const char *propname, 3105209962Smm uint64_t *propvalue) 3106209962Smm{ 3107209962Smm zfs_userquota_prop_t type; 3108209962Smm 3109209962Smm return (zfs_prop_get_userquota_common(zhp, propname, propvalue, 3110209962Smm &type)); 3111209962Smm} 3112209962Smm 3113209962Smmint 3114209962Smmzfs_prop_get_userquota(zfs_handle_t *zhp, const char *propname, 3115209962Smm char *propbuf, int proplen, boolean_t literal) 3116209962Smm{ 3117209962Smm int err; 3118209962Smm uint64_t propvalue; 3119209962Smm zfs_userquota_prop_t type; 3120209962Smm 3121209962Smm err = zfs_prop_get_userquota_common(zhp, propname, &propvalue, 3122209962Smm &type); 3123209962Smm 3124209962Smm if (err) 3125209962Smm return (err); 3126209962Smm 3127209962Smm if (literal) { 3128209962Smm (void) snprintf(propbuf, proplen, "%llu", propvalue); 3129209962Smm } else if (propvalue == 0 && 3130209962Smm (type == ZFS_PROP_USERQUOTA || type == ZFS_PROP_GROUPQUOTA)) { 3131209962Smm (void) strlcpy(propbuf, "none", proplen); 3132209962Smm } else { 3133209962Smm zfs_nicenum(propvalue, propbuf, proplen); 3134209962Smm } 3135209962Smm return (0); 3136209962Smm} 3137209962Smm 3138228103Smmint 3139228103Smmzfs_prop_get_written_int(zfs_handle_t *zhp, const char *propname, 3140228103Smm uint64_t *propvalue) 3141168404Spjd{ 3142228103Smm int err; 3143228103Smm zfs_cmd_t zc = { 0 }; 3144228103Smm const char *snapname; 3145168404Spjd 3146228103Smm (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); 3147168404Spjd 3148228103Smm snapname = strchr(propname, '@') + 1; 3149228103Smm if (strchr(snapname, '@')) { 3150228103Smm (void) strlcpy(zc.zc_value, snapname, sizeof (zc.zc_value)); 3151228103Smm } else { 3152228103Smm /* snapname is the short name, append it to zhp's fsname */ 3153228103Smm char *cp; 3154209962Smm 3155228103Smm (void) strlcpy(zc.zc_value, zhp->zfs_name, 3156228103Smm sizeof (zc.zc_value)); 3157228103Smm cp = strchr(zc.zc_value, '@'); 3158228103Smm if (cp != NULL) 3159228103Smm *cp = '\0'; 3160228103Smm (void) strlcat(zc.zc_value, "@", sizeof (zc.zc_value)); 3161228103Smm (void) strlcat(zc.zc_value, snapname, sizeof (zc.zc_value)); 3162228103Smm } 3163209962Smm 3164228103Smm err = ioctl(zhp->zfs_hdl->libzfs_fd, ZFS_IOC_SPACE_WRITTEN, &zc); 3165228103Smm if (err) 3166228103Smm return (err); 3167228103Smm 3168228103Smm *propvalue = zc.zc_cookie; 3169228103Smm return (0); 3170209962Smm} 3171209962Smm 3172168404Spjdint 3173228103Smmzfs_prop_get_written(zfs_handle_t *zhp, const char *propname, 3174228103Smm char *propbuf, int proplen, boolean_t literal) 3175168404Spjd{ 3176228103Smm int err; 3177228103Smm uint64_t propvalue; 3178168404Spjd 3179228103Smm err = zfs_prop_get_written_int(zhp, propname, &propvalue); 3180185029Spjd 3181228103Smm if (err) 3182228103Smm return (err); 3183209962Smm 3184228103Smm if (literal) { 3185228103Smm (void) snprintf(propbuf, proplen, "%llu", propvalue); 3186228103Smm } else { 3187228103Smm zfs_nicenum(propvalue, propbuf, proplen); 3188168404Spjd } 3189228103Smm return (0); 3190168404Spjd} 3191168404Spjd 3192168404Spjd/* 3193228103Smm * Returns the name of the given zfs handle. 3194168404Spjd */ 3195228103Smmconst char * 3196228103Smmzfs_get_name(const zfs_handle_t *zhp) 3197168404Spjd{ 3198228103Smm return (zhp->zfs_name); 3199228103Smm} 3200168404Spjd 3201228103Smm/* 3202307106Smav * Returns the name of the parent pool for the given zfs handle. 3203307106Smav */ 3204307106Smavconst char * 3205307106Smavzfs_get_pool_name(const zfs_handle_t *zhp) 3206307106Smav{ 3207307106Smav return (zhp->zpool_hdl->zpool_name); 3208307106Smav} 3209307106Smav 3210307106Smav/* 3211228103Smm * Returns the type of the given zfs handle. 3212228103Smm */ 3213228103Smmzfs_type_t 3214228103Smmzfs_get_type(const zfs_handle_t *zhp) 3215228103Smm{ 3216228103Smm return (zhp->zfs_type); 3217168404Spjd} 3218168404Spjd 3219168404Spjd/* 3220219089Spjd * Is one dataset name a child dataset of another? 3221219089Spjd * 3222219089Spjd * Needs to handle these cases: 3223219089Spjd * Dataset 1 "a/foo" "a/foo" "a/foo" "a/foo" 3224219089Spjd * Dataset 2 "a/fo" "a/foobar" "a/bar/baz" "a/foo/bar" 3225219089Spjd * Descendant? No. No. No. Yes. 3226219089Spjd */ 3227219089Spjdstatic boolean_t 3228219089Spjdis_descendant(const char *ds1, const char *ds2) 3229219089Spjd{ 3230219089Spjd size_t d1len = strlen(ds1); 3231219089Spjd 3232219089Spjd /* ds2 can't be a descendant if it's smaller */ 3233219089Spjd if (strlen(ds2) < d1len) 3234219089Spjd return (B_FALSE); 3235219089Spjd 3236219089Spjd /* otherwise, compare strings and verify that there's a '/' char */ 3237219089Spjd return (ds2[d1len] == '/' && (strncmp(ds1, ds2, d1len) == 0)); 3238219089Spjd} 3239219089Spjd 3240219089Spjd/* 3241168404Spjd * Given a complete name, return just the portion that refers to the parent. 3242228103Smm * Will return -1 if there is no parent (path is just the name of the 3243228103Smm * pool). 3244168404Spjd */ 3245168404Spjdstatic int 3246168404Spjdparent_name(const char *path, char *buf, size_t buflen) 3247168404Spjd{ 3248228103Smm char *slashp; 3249168404Spjd 3250228103Smm (void) strlcpy(buf, path, buflen); 3251228103Smm 3252228103Smm if ((slashp = strrchr(buf, '/')) == NULL) 3253168404Spjd return (-1); 3254228103Smm *slashp = '\0'; 3255168404Spjd 3256168404Spjd return (0); 3257168404Spjd} 3258168404Spjd 3259168404Spjd/* 3260185029Spjd * If accept_ancestor is false, then check to make sure that the given path has 3261185029Spjd * a parent, and that it exists. If accept_ancestor is true, then find the 3262185029Spjd * closest existing ancestor for the given path. In prefixlen return the 3263185029Spjd * length of already existing prefix of the given path. We also fetch the 3264185029Spjd * 'zoned' property, which is used to validate property settings when creating 3265185029Spjd * new datasets. 3266168404Spjd */ 3267168404Spjdstatic int 3268185029Spjdcheck_parents(libzfs_handle_t *hdl, const char *path, uint64_t *zoned, 3269185029Spjd boolean_t accept_ancestor, int *prefixlen) 3270168404Spjd{ 3271168404Spjd zfs_cmd_t zc = { 0 }; 3272307108Smav char parent[ZFS_MAX_DATASET_NAME_LEN]; 3273168404Spjd char *slash; 3274168404Spjd zfs_handle_t *zhp; 3275168404Spjd char errbuf[1024]; 3276219089Spjd uint64_t is_zoned; 3277168404Spjd 3278209962Smm (void) snprintf(errbuf, sizeof (errbuf), 3279209962Smm dgettext(TEXT_DOMAIN, "cannot create '%s'"), path); 3280168404Spjd 3281168404Spjd /* get parent, and check to see if this is just a pool */ 3282168404Spjd if (parent_name(path, parent, sizeof (parent)) != 0) { 3283168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3284168404Spjd "missing dataset name")); 3285168404Spjd return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); 3286168404Spjd } 3287168404Spjd 3288168404Spjd /* check to see if the pool exists */ 3289168404Spjd if ((slash = strchr(parent, '/')) == NULL) 3290168404Spjd slash = parent + strlen(parent); 3291168404Spjd (void) strncpy(zc.zc_name, parent, slash - parent); 3292168404Spjd zc.zc_name[slash - parent] = '\0'; 3293168404Spjd if (ioctl(hdl->libzfs_fd, ZFS_IOC_OBJSET_STATS, &zc) != 0 && 3294168404Spjd errno == ENOENT) { 3295168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3296168404Spjd "no such pool '%s'"), zc.zc_name); 3297168404Spjd return (zfs_error(hdl, EZFS_NOENT, errbuf)); 3298168404Spjd } 3299168404Spjd 3300168404Spjd /* check to see if the parent dataset exists */ 3301185029Spjd while ((zhp = make_dataset_handle(hdl, parent)) == NULL) { 3302185029Spjd if (errno == ENOENT && accept_ancestor) { 3303185029Spjd /* 3304185029Spjd * Go deeper to find an ancestor, give up on top level. 3305185029Spjd */ 3306185029Spjd if (parent_name(parent, parent, sizeof (parent)) != 0) { 3307185029Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3308185029Spjd "no such pool '%s'"), zc.zc_name); 3309185029Spjd return (zfs_error(hdl, EZFS_NOENT, errbuf)); 3310185029Spjd } 3311185029Spjd } else if (errno == ENOENT) { 3312168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3313168404Spjd "parent does not exist")); 3314168404Spjd return (zfs_error(hdl, EZFS_NOENT, errbuf)); 3315185029Spjd } else 3316168404Spjd return (zfs_standard_error(hdl, errno, errbuf)); 3317168404Spjd } 3318168404Spjd 3319219089Spjd is_zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED); 3320219089Spjd if (zoned != NULL) 3321219089Spjd *zoned = is_zoned; 3322219089Spjd 3323168404Spjd /* we are in a non-global zone, but parent is in the global zone */ 3324219089Spjd if (getzoneid() != GLOBAL_ZONEID && !is_zoned) { 3325168404Spjd (void) zfs_standard_error(hdl, EPERM, errbuf); 3326168404Spjd zfs_close(zhp); 3327168404Spjd return (-1); 3328168404Spjd } 3329168404Spjd 3330168404Spjd /* make sure parent is a filesystem */ 3331168404Spjd if (zfs_get_type(zhp) != ZFS_TYPE_FILESYSTEM) { 3332168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3333168404Spjd "parent is not a filesystem")); 3334168404Spjd (void) zfs_error(hdl, EZFS_BADTYPE, errbuf); 3335168404Spjd zfs_close(zhp); 3336168404Spjd return (-1); 3337168404Spjd } 3338168404Spjd 3339168404Spjd zfs_close(zhp); 3340185029Spjd if (prefixlen != NULL) 3341185029Spjd *prefixlen = strlen(parent); 3342168404Spjd return (0); 3343168404Spjd} 3344168404Spjd 3345168404Spjd/* 3346185029Spjd * Finds whether the dataset of the given type(s) exists. 3347185029Spjd */ 3348185029Spjdboolean_t 3349185029Spjdzfs_dataset_exists(libzfs_handle_t *hdl, const char *path, zfs_type_t types) 3350185029Spjd{ 3351185029Spjd zfs_handle_t *zhp; 3352185029Spjd 3353185029Spjd if (!zfs_validate_name(hdl, path, types, B_FALSE)) 3354185029Spjd return (B_FALSE); 3355185029Spjd 3356185029Spjd /* 3357185029Spjd * Try to get stats for the dataset, which will tell us if it exists. 3358185029Spjd */ 3359185029Spjd if ((zhp = make_dataset_handle(hdl, path)) != NULL) { 3360185029Spjd int ds_type = zhp->zfs_type; 3361185029Spjd 3362185029Spjd zfs_close(zhp); 3363185029Spjd if (types & ds_type) 3364185029Spjd return (B_TRUE); 3365185029Spjd } 3366185029Spjd return (B_FALSE); 3367185029Spjd} 3368185029Spjd 3369185029Spjd/* 3370185029Spjd * Given a path to 'target', create all the ancestors between 3371185029Spjd * the prefixlen portion of the path, and the target itself. 3372185029Spjd * Fail if the initial prefixlen-ancestor does not already exist. 3373185029Spjd */ 3374185029Spjdint 3375185029Spjdcreate_parents(libzfs_handle_t *hdl, char *target, int prefixlen) 3376185029Spjd{ 3377185029Spjd zfs_handle_t *h; 3378185029Spjd char *cp; 3379185029Spjd const char *opname; 3380185029Spjd 3381185029Spjd /* make sure prefix exists */ 3382185029Spjd cp = target + prefixlen; 3383185029Spjd if (*cp != '/') { 3384185029Spjd assert(strchr(cp, '/') == NULL); 3385185029Spjd h = zfs_open(hdl, target, ZFS_TYPE_FILESYSTEM); 3386185029Spjd } else { 3387185029Spjd *cp = '\0'; 3388185029Spjd h = zfs_open(hdl, target, ZFS_TYPE_FILESYSTEM); 3389185029Spjd *cp = '/'; 3390185029Spjd } 3391185029Spjd if (h == NULL) 3392185029Spjd return (-1); 3393185029Spjd zfs_close(h); 3394185029Spjd 3395185029Spjd /* 3396185029Spjd * Attempt to create, mount, and share any ancestor filesystems, 3397185029Spjd * up to the prefixlen-long one. 3398185029Spjd */ 3399185029Spjd for (cp = target + prefixlen + 1; 3400307050Smav (cp = strchr(cp, '/')) != NULL; *cp = '/', cp++) { 3401185029Spjd 3402185029Spjd *cp = '\0'; 3403185029Spjd 3404185029Spjd h = make_dataset_handle(hdl, target); 3405185029Spjd if (h) { 3406185029Spjd /* it already exists, nothing to do here */ 3407185029Spjd zfs_close(h); 3408185029Spjd continue; 3409185029Spjd } 3410185029Spjd 3411185029Spjd if (zfs_create(hdl, target, ZFS_TYPE_FILESYSTEM, 3412185029Spjd NULL) != 0) { 3413185029Spjd opname = dgettext(TEXT_DOMAIN, "create"); 3414185029Spjd goto ancestorerr; 3415185029Spjd } 3416185029Spjd 3417185029Spjd h = zfs_open(hdl, target, ZFS_TYPE_FILESYSTEM); 3418185029Spjd if (h == NULL) { 3419185029Spjd opname = dgettext(TEXT_DOMAIN, "open"); 3420185029Spjd goto ancestorerr; 3421185029Spjd } 3422185029Spjd 3423185029Spjd if (zfs_mount(h, NULL, 0) != 0) { 3424185029Spjd opname = dgettext(TEXT_DOMAIN, "mount"); 3425185029Spjd goto ancestorerr; 3426185029Spjd } 3427185029Spjd 3428185029Spjd if (zfs_share(h) != 0) { 3429185029Spjd opname = dgettext(TEXT_DOMAIN, "share"); 3430185029Spjd goto ancestorerr; 3431185029Spjd } 3432185029Spjd 3433185029Spjd zfs_close(h); 3434185029Spjd } 3435185029Spjd 3436185029Spjd return (0); 3437185029Spjd 3438185029Spjdancestorerr: 3439185029Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3440185029Spjd "failed to %s ancestor '%s'"), opname, target); 3441185029Spjd return (-1); 3442185029Spjd} 3443185029Spjd 3444185029Spjd/* 3445185029Spjd * Creates non-existing ancestors of the given path. 3446185029Spjd */ 3447185029Spjdint 3448185029Spjdzfs_create_ancestors(libzfs_handle_t *hdl, const char *path) 3449185029Spjd{ 3450185029Spjd int prefix; 3451185029Spjd char *path_copy; 3452307107Smav int rc = 0; 3453185029Spjd 3454219089Spjd if (check_parents(hdl, path, NULL, B_TRUE, &prefix) != 0) 3455185029Spjd return (-1); 3456185029Spjd 3457185029Spjd if ((path_copy = strdup(path)) != NULL) { 3458185029Spjd rc = create_parents(hdl, path_copy, prefix); 3459185029Spjd free(path_copy); 3460185029Spjd } 3461185029Spjd if (path_copy == NULL || rc != 0) 3462185029Spjd return (-1); 3463185029Spjd 3464185029Spjd return (0); 3465185029Spjd} 3466185029Spjd 3467185029Spjd/* 3468168404Spjd * Create a new filesystem or volume. 3469168404Spjd */ 3470168404Spjdint 3471168404Spjdzfs_create(libzfs_handle_t *hdl, const char *path, zfs_type_t type, 3472168404Spjd nvlist_t *props) 3473168404Spjd{ 3474168404Spjd int ret; 3475168404Spjd uint64_t size = 0; 3476168404Spjd uint64_t blocksize = zfs_prop_default_numeric(ZFS_PROP_VOLBLOCKSIZE); 3477168404Spjd char errbuf[1024]; 3478168404Spjd uint64_t zoned; 3479298472Savg enum lzc_dataset_type ost; 3480321576Smav zpool_handle_t *zpool_handle; 3481168404Spjd 3482168404Spjd (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 3483168404Spjd "cannot create '%s'"), path); 3484168404Spjd 3485168404Spjd /* validate the path, taking care to note the extended error message */ 3486185029Spjd if (!zfs_validate_name(hdl, path, type, B_TRUE)) 3487168404Spjd return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); 3488168404Spjd 3489168404Spjd /* validate parents exist */ 3490185029Spjd if (check_parents(hdl, path, &zoned, B_FALSE, NULL) != 0) 3491168404Spjd return (-1); 3492168404Spjd 3493168404Spjd /* 3494168404Spjd * The failure modes when creating a dataset of a different type over 3495168404Spjd * one that already exists is a little strange. In particular, if you 3496168404Spjd * try to create a dataset on top of an existing dataset, the ioctl() 3497168404Spjd * will return ENOENT, not EEXIST. To prevent this from happening, we 3498168404Spjd * first try to see if the dataset exists. 3499168404Spjd */ 3500248571Smm if (zfs_dataset_exists(hdl, path, ZFS_TYPE_DATASET)) { 3501168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3502168404Spjd "dataset already exists")); 3503168404Spjd return (zfs_error(hdl, EZFS_EXISTS, errbuf)); 3504168404Spjd } 3505168404Spjd 3506168404Spjd if (type == ZFS_TYPE_VOLUME) 3507298472Savg ost = LZC_DATSET_TYPE_ZVOL; 3508168404Spjd else 3509298472Savg ost = LZC_DATSET_TYPE_ZFS; 3510168404Spjd 3511289500Smav /* open zpool handle for prop validation */ 3512307108Smav char pool_path[ZFS_MAX_DATASET_NAME_LEN]; 3513289500Smav (void) strlcpy(pool_path, path, sizeof (pool_path)); 3514289500Smav 3515289500Smav /* truncate pool_path at first slash */ 3516289500Smav char *p = strchr(pool_path, '/'); 3517289500Smav if (p != NULL) 3518289500Smav *p = '\0'; 3519289500Smav 3520321576Smav if ((zpool_handle = zpool_open(hdl, pool_path)) == NULL) 3521321576Smav return (-1); 3522289500Smav 3523185029Spjd if (props && (props = zfs_valid_proplist(hdl, type, props, 3524289500Smav zoned, NULL, zpool_handle, errbuf)) == 0) { 3525289500Smav zpool_close(zpool_handle); 3526168404Spjd return (-1); 3527289500Smav } 3528289500Smav zpool_close(zpool_handle); 3529168404Spjd 3530168404Spjd if (type == ZFS_TYPE_VOLUME) { 3531168404Spjd /* 3532168404Spjd * If we are creating a volume, the size and block size must 3533168404Spjd * satisfy a few restraints. First, the blocksize must be a 3534168404Spjd * valid block size between SPA_{MIN,MAX}BLOCKSIZE. Second, the 3535168404Spjd * volsize must be a multiple of the block size, and cannot be 3536168404Spjd * zero. 3537168404Spjd */ 3538168404Spjd if (props == NULL || nvlist_lookup_uint64(props, 3539168404Spjd zfs_prop_to_name(ZFS_PROP_VOLSIZE), &size) != 0) { 3540168404Spjd nvlist_free(props); 3541168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3542168404Spjd "missing volume size")); 3543168404Spjd return (zfs_error(hdl, EZFS_BADPROP, errbuf)); 3544168404Spjd } 3545168404Spjd 3546168404Spjd if ((ret = nvlist_lookup_uint64(props, 3547168404Spjd zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), 3548168404Spjd &blocksize)) != 0) { 3549168404Spjd if (ret == ENOENT) { 3550168404Spjd blocksize = zfs_prop_default_numeric( 3551168404Spjd ZFS_PROP_VOLBLOCKSIZE); 3552168404Spjd } else { 3553168404Spjd nvlist_free(props); 3554168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3555168404Spjd "missing volume block size")); 3556168404Spjd return (zfs_error(hdl, EZFS_BADPROP, errbuf)); 3557168404Spjd } 3558168404Spjd } 3559168404Spjd 3560168404Spjd if (size == 0) { 3561168404Spjd nvlist_free(props); 3562168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3563168404Spjd "volume size cannot be zero")); 3564168404Spjd return (zfs_error(hdl, EZFS_BADPROP, errbuf)); 3565168404Spjd } 3566168404Spjd 3567168404Spjd if (size % blocksize != 0) { 3568168404Spjd nvlist_free(props); 3569168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3570168404Spjd "volume size must be a multiple of volume block " 3571168404Spjd "size")); 3572168404Spjd return (zfs_error(hdl, EZFS_BADPROP, errbuf)); 3573168404Spjd } 3574168404Spjd } 3575168404Spjd 3576248571Smm /* create the dataset */ 3577248571Smm ret = lzc_create(path, ost, props); 3578168404Spjd nvlist_free(props); 3579168404Spjd 3580168404Spjd /* check for failure */ 3581168404Spjd if (ret != 0) { 3582307108Smav char parent[ZFS_MAX_DATASET_NAME_LEN]; 3583168404Spjd (void) parent_name(path, parent, sizeof (parent)); 3584168404Spjd 3585168404Spjd switch (errno) { 3586168404Spjd case ENOENT: 3587168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3588168404Spjd "no such parent '%s'"), parent); 3589168404Spjd return (zfs_error(hdl, EZFS_NOENT, errbuf)); 3590168404Spjd 3591168404Spjd case EINVAL: 3592168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3593168404Spjd "parent '%s' is not a filesystem"), parent); 3594168404Spjd return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); 3595168404Spjd 3596185029Spjd case ENOTSUP: 3597185029Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3598185029Spjd "pool must be upgraded to set this " 3599185029Spjd "property or value")); 3600185029Spjd return (zfs_error(hdl, EZFS_BADVERSION, errbuf)); 3601329489Smav case ERANGE: 3602329489Smav zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3603329489Smav "invalid property value(s) specified")); 3604329489Smav return (zfs_error(hdl, EZFS_BADPROP, errbuf)); 3605168404Spjd#ifdef _ILP32 3606168404Spjd case EOVERFLOW: 3607168404Spjd /* 3608168404Spjd * This platform can't address a volume this big. 3609168404Spjd */ 3610168404Spjd if (type == ZFS_TYPE_VOLUME) 3611168404Spjd return (zfs_error(hdl, EZFS_VOLTOOBIG, 3612168404Spjd errbuf)); 3613168404Spjd#endif 3614168404Spjd /* FALLTHROUGH */ 3615168404Spjd default: 3616168404Spjd return (zfs_standard_error(hdl, errno, errbuf)); 3617168404Spjd } 3618168404Spjd } 3619168404Spjd 3620168404Spjd return (0); 3621168404Spjd} 3622168404Spjd 3623168404Spjd/* 3624168404Spjd * Destroys the given dataset. The caller must make sure that the filesystem 3625238422Smm * isn't mounted, and that there are no active dependents. If the file system 3626238422Smm * does not exist this function does nothing. 3627168404Spjd */ 3628168404Spjdint 3629219089Spjdzfs_destroy(zfs_handle_t *zhp, boolean_t defer) 3630168404Spjd{ 3631168404Spjd zfs_cmd_t zc = { 0 }; 3632168404Spjd 3633260183Sdelphij if (zhp->zfs_type == ZFS_TYPE_BOOKMARK) { 3634260183Sdelphij nvlist_t *nv = fnvlist_alloc(); 3635260183Sdelphij fnvlist_add_boolean(nv, zhp->zfs_name); 3636260183Sdelphij int error = lzc_destroy_bookmarks(nv, NULL); 3637260183Sdelphij fnvlist_free(nv); 3638260183Sdelphij if (error != 0) { 3639260183Sdelphij return (zfs_standard_error_fmt(zhp->zfs_hdl, errno, 3640260183Sdelphij dgettext(TEXT_DOMAIN, "cannot destroy '%s'"), 3641260183Sdelphij zhp->zfs_name)); 3642260183Sdelphij } 3643260183Sdelphij return (0); 3644260183Sdelphij } 3645260183Sdelphij 3646168404Spjd (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); 3647168404Spjd 3648168404Spjd if (ZFS_IS_VOLUME(zhp)) { 3649168404Spjd zc.zc_objset_type = DMU_OST_ZVOL; 3650168404Spjd } else { 3651168404Spjd zc.zc_objset_type = DMU_OST_ZFS; 3652168404Spjd } 3653168404Spjd 3654219089Spjd zc.zc_defer_destroy = defer; 3655238422Smm if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_DESTROY, &zc) != 0 && 3656238422Smm errno != ENOENT) { 3657168404Spjd return (zfs_standard_error_fmt(zhp->zfs_hdl, errno, 3658168404Spjd dgettext(TEXT_DOMAIN, "cannot destroy '%s'"), 3659168404Spjd zhp->zfs_name)); 3660168404Spjd } 3661168404Spjd 3662168404Spjd remove_mountpoint(zhp); 3663168404Spjd 3664168404Spjd return (0); 3665168404Spjd} 3666168404Spjd 3667168404Spjdstruct destroydata { 3668228103Smm nvlist_t *nvl; 3669228103Smm const char *snapname; 3670168404Spjd}; 3671168404Spjd 3672168404Spjdstatic int 3673219089Spjdzfs_check_snap_cb(zfs_handle_t *zhp, void *arg) 3674168404Spjd{ 3675168404Spjd struct destroydata *dd = arg; 3676307108Smav char name[ZFS_MAX_DATASET_NAME_LEN]; 3677219089Spjd int rv = 0; 3678168404Spjd 3679228103Smm (void) snprintf(name, sizeof (name), 3680228103Smm "%s@%s", zhp->zfs_name, dd->snapname); 3681168404Spjd 3682251646Sdelphij if (lzc_exists(name)) 3683228103Smm verify(nvlist_add_boolean(dd->nvl, name) == 0); 3684168404Spjd 3685228103Smm rv = zfs_iter_filesystems(zhp, zfs_check_snap_cb, dd); 3686228103Smm zfs_close(zhp); 3687168404Spjd return (rv); 3688168404Spjd} 3689168404Spjd 3690168404Spjd/* 3691168404Spjd * Destroys all snapshots with the given name in zhp & descendants. 3692168404Spjd */ 3693168404Spjdint 3694219089Spjdzfs_destroy_snaps(zfs_handle_t *zhp, char *snapname, boolean_t defer) 3695168404Spjd{ 3696168404Spjd int ret; 3697168404Spjd struct destroydata dd = { 0 }; 3698168404Spjd 3699168404Spjd dd.snapname = snapname; 3700228103Smm verify(nvlist_alloc(&dd.nvl, NV_UNIQUE_NAME, 0) == 0); 3701228103Smm (void) zfs_check_snap_cb(zfs_handle_dup(zhp), &dd); 3702168404Spjd 3703251646Sdelphij if (nvlist_empty(dd.nvl)) { 3704228103Smm ret = zfs_standard_error_fmt(zhp->zfs_hdl, ENOENT, 3705168404Spjd dgettext(TEXT_DOMAIN, "cannot destroy '%s@%s'"), 3706228103Smm zhp->zfs_name, snapname); 3707228103Smm } else { 3708248571Smm ret = zfs_destroy_snaps_nvl(zhp->zfs_hdl, dd.nvl, defer); 3709168404Spjd } 3710228103Smm nvlist_free(dd.nvl); 3711228103Smm return (ret); 3712228103Smm} 3713168404Spjd 3714228103Smm/* 3715248571Smm * Destroys all the snapshots named in the nvlist. 3716228103Smm */ 3717228103Smmint 3718248571Smmzfs_destroy_snaps_nvl(libzfs_handle_t *hdl, nvlist_t *snaps, boolean_t defer) 3719228103Smm{ 3720228103Smm int ret; 3721307105Smav nvlist_t *errlist = NULL; 3722228103Smm 3723248571Smm ret = lzc_destroy_snaps(snaps, defer, &errlist); 3724168404Spjd 3725307105Smav if (ret == 0) { 3726307105Smav nvlist_free(errlist); 3727248571Smm return (0); 3728307105Smav } 3729248571Smm 3730251646Sdelphij if (nvlist_empty(errlist)) { 3731168404Spjd char errbuf[1024]; 3732248571Smm (void) snprintf(errbuf, sizeof (errbuf), 3733248571Smm dgettext(TEXT_DOMAIN, "cannot destroy snapshots")); 3734168404Spjd 3735248571Smm ret = zfs_standard_error(hdl, ret, errbuf); 3736248571Smm } 3737248571Smm for (nvpair_t *pair = nvlist_next_nvpair(errlist, NULL); 3738248571Smm pair != NULL; pair = nvlist_next_nvpair(errlist, pair)) { 3739248571Smm char errbuf[1024]; 3740248571Smm (void) snprintf(errbuf, sizeof (errbuf), 3741248571Smm dgettext(TEXT_DOMAIN, "cannot destroy snapshot %s"), 3742248571Smm nvpair_name(pair)); 3743168404Spjd 3744248571Smm switch (fnvpair_value_int32(pair)) { 3745168404Spjd case EEXIST: 3746248571Smm zfs_error_aux(hdl, 3747248571Smm dgettext(TEXT_DOMAIN, "snapshot is cloned")); 3748248571Smm ret = zfs_error(hdl, EZFS_EXISTS, errbuf); 3749248571Smm break; 3750168404Spjd default: 3751248571Smm ret = zfs_standard_error(hdl, errno, errbuf); 3752248571Smm break; 3753168404Spjd } 3754168404Spjd } 3755168404Spjd 3756307105Smav nvlist_free(errlist); 3757248571Smm return (ret); 3758168404Spjd} 3759168404Spjd 3760168404Spjd/* 3761168404Spjd * Clones the given dataset. The target must be of the same type as the source. 3762168404Spjd */ 3763168404Spjdint 3764168404Spjdzfs_clone(zfs_handle_t *zhp, const char *target, nvlist_t *props) 3765168404Spjd{ 3766307108Smav char parent[ZFS_MAX_DATASET_NAME_LEN]; 3767168404Spjd int ret; 3768168404Spjd char errbuf[1024]; 3769168404Spjd libzfs_handle_t *hdl = zhp->zfs_hdl; 3770168404Spjd uint64_t zoned; 3771168404Spjd 3772168404Spjd assert(zhp->zfs_type == ZFS_TYPE_SNAPSHOT); 3773168404Spjd 3774168404Spjd (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 3775168404Spjd "cannot create '%s'"), target); 3776168404Spjd 3777228103Smm /* validate the target/clone name */ 3778185029Spjd if (!zfs_validate_name(hdl, target, ZFS_TYPE_FILESYSTEM, B_TRUE)) 3779168404Spjd return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); 3780168404Spjd 3781168404Spjd /* validate parents exist */ 3782185029Spjd if (check_parents(hdl, target, &zoned, B_FALSE, NULL) != 0) 3783168404Spjd return (-1); 3784168404Spjd 3785168404Spjd (void) parent_name(target, parent, sizeof (parent)); 3786168404Spjd 3787168404Spjd /* do the clone */ 3788168404Spjd 3789168404Spjd if (props) { 3790248571Smm zfs_type_t type; 3791339103Smav 3792248571Smm if (ZFS_IS_VOLUME(zhp)) { 3793248571Smm type = ZFS_TYPE_VOLUME; 3794248571Smm } else { 3795248571Smm type = ZFS_TYPE_FILESYSTEM; 3796248571Smm } 3797185029Spjd if ((props = zfs_valid_proplist(hdl, type, props, zoned, 3798289500Smav zhp, zhp->zpool_hdl, errbuf)) == NULL) 3799168404Spjd return (-1); 3800339103Smav if (zfs_fix_auto_resv(zhp, props) == -1) { 3801339103Smav nvlist_free(props); 3802339103Smav return (-1); 3803339103Smav } 3804168404Spjd } 3805168404Spjd 3806248571Smm ret = lzc_clone(target, zhp->zfs_name, props); 3807248571Smm nvlist_free(props); 3808168404Spjd 3809168404Spjd if (ret != 0) { 3810168404Spjd switch (errno) { 3811168404Spjd 3812168404Spjd case ENOENT: 3813168404Spjd /* 3814168404Spjd * The parent doesn't exist. We should have caught this 3815168404Spjd * above, but there may a race condition that has since 3816168404Spjd * destroyed the parent. 3817168404Spjd * 3818168404Spjd * At this point, we don't know whether it's the source 3819168404Spjd * that doesn't exist anymore, or whether the target 3820168404Spjd * dataset doesn't exist. 3821168404Spjd */ 3822168404Spjd zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, 3823168404Spjd "no such parent '%s'"), parent); 3824168404Spjd return (zfs_error(zhp->zfs_hdl, EZFS_NOENT, errbuf)); 3825168404Spjd 3826168404Spjd case EXDEV: 3827168404Spjd zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, 3828168404Spjd "source and target pools differ")); 3829168404Spjd return (zfs_error(zhp->zfs_hdl, EZFS_CROSSTARGET, 3830168404Spjd errbuf)); 3831168404Spjd 3832168404Spjd default: 3833168404Spjd return (zfs_standard_error(zhp->zfs_hdl, errno, 3834168404Spjd errbuf)); 3835168404Spjd } 3836168404Spjd } 3837168404Spjd 3838168404Spjd return (ret); 3839168404Spjd} 3840168404Spjd 3841168404Spjd/* 3842168404Spjd * Promotes the given clone fs to be the clone parent. 3843168404Spjd */ 3844168404Spjdint 3845168404Spjdzfs_promote(zfs_handle_t *zhp) 3846168404Spjd{ 3847168404Spjd libzfs_handle_t *hdl = zhp->zfs_hdl; 3848321577Smav char snapname[ZFS_MAX_DATASET_NAME_LEN]; 3849168404Spjd int ret; 3850168404Spjd char errbuf[1024]; 3851168404Spjd 3852168404Spjd (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 3853168404Spjd "cannot promote '%s'"), zhp->zfs_name); 3854168404Spjd 3855168404Spjd if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT) { 3856168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3857168404Spjd "snapshots can not be promoted")); 3858168404Spjd return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); 3859168404Spjd } 3860168404Spjd 3861321577Smav if (zhp->zfs_dmustats.dds_origin[0] == '\0') { 3862168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3863168404Spjd "not a cloned filesystem")); 3864168404Spjd return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); 3865168404Spjd } 3866168404Spjd 3867332535Smav if (!zfs_validate_name(hdl, zhp->zfs_name, zhp->zfs_type, B_TRUE)) 3868332535Smav return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); 3869332535Smav 3870321577Smav ret = lzc_promote(zhp->zfs_name, snapname, sizeof (snapname)); 3871168404Spjd 3872168404Spjd if (ret != 0) { 3873321577Smav switch (ret) { 3874168404Spjd case EEXIST: 3875219089Spjd /* There is a conflicting snapshot name. */ 3876168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3877219089Spjd "conflicting snapshot '%s' from parent '%s'"), 3878321577Smav snapname, zhp->zfs_dmustats.dds_origin); 3879168404Spjd return (zfs_error(hdl, EZFS_EXISTS, errbuf)); 3880168404Spjd 3881168404Spjd default: 3882321577Smav return (zfs_standard_error(hdl, ret, errbuf)); 3883168404Spjd } 3884168404Spjd } 3885168404Spjd return (ret); 3886168404Spjd} 3887168404Spjd 3888248571Smmtypedef struct snapdata { 3889248571Smm nvlist_t *sd_nvl; 3890248571Smm const char *sd_snapname; 3891248571Smm} snapdata_t; 3892248571Smm 3893248571Smmstatic int 3894248571Smmzfs_snapshot_cb(zfs_handle_t *zhp, void *arg) 3895248571Smm{ 3896248571Smm snapdata_t *sd = arg; 3897307108Smav char name[ZFS_MAX_DATASET_NAME_LEN]; 3898248571Smm int rv = 0; 3899248571Smm 3900253819Sdelphij if (zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) == 0) { 3901253819Sdelphij (void) snprintf(name, sizeof (name), 3902253819Sdelphij "%s@%s", zfs_get_name(zhp), sd->sd_snapname); 3903248571Smm 3904253819Sdelphij fnvlist_add_boolean(sd->sd_nvl, name); 3905248571Smm 3906253819Sdelphij rv = zfs_iter_filesystems(zhp, zfs_snapshot_cb, sd); 3907253819Sdelphij } 3908248571Smm zfs_close(zhp); 3909253819Sdelphij 3910248571Smm return (rv); 3911248571Smm} 3912248571Smm 3913332525Smavint 3914332525Smavzfs_remap_indirects(libzfs_handle_t *hdl, const char *fs) 3915332525Smav{ 3916332525Smav int err; 3917332525Smav char errbuf[1024]; 3918332525Smav 3919332525Smav (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 3920339119Smav "cannot remap dataset '%s'"), fs); 3921332525Smav 3922332525Smav err = lzc_remap(fs); 3923332525Smav 3924332525Smav if (err != 0) { 3925339119Smav switch (err) { 3926339119Smav case ENOTSUP: 3927339119Smav zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3928339119Smav "pool must be upgraded")); 3929339119Smav (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); 3930339119Smav break; 3931339119Smav case EINVAL: 3932339119Smav (void) zfs_error(hdl, EZFS_BADTYPE, errbuf); 3933339119Smav break; 3934339119Smav default: 3935339119Smav (void) zfs_standard_error(hdl, err, errbuf); 3936339119Smav break; 3937339119Smav } 3938332525Smav } 3939332525Smav 3940332525Smav return (err); 3941332525Smav} 3942332525Smav 3943168404Spjd/* 3944248571Smm * Creates snapshots. The keys in the snaps nvlist are the snapshots to be 3945248571Smm * created. 3946168404Spjd */ 3947168404Spjdint 3948248571Smmzfs_snapshot_nvl(libzfs_handle_t *hdl, nvlist_t *snaps, nvlist_t *props) 3949168404Spjd{ 3950168404Spjd int ret; 3951168404Spjd char errbuf[1024]; 3952248571Smm nvpair_t *elem; 3953248571Smm nvlist_t *errors; 3954168404Spjd 3955168404Spjd (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 3956248571Smm "cannot create snapshots ")); 3957168404Spjd 3958248571Smm elem = NULL; 3959248571Smm while ((elem = nvlist_next_nvpair(snaps, elem)) != NULL) { 3960248571Smm const char *snapname = nvpair_name(elem); 3961168404Spjd 3962248571Smm /* validate the target name */ 3963248571Smm if (!zfs_validate_name(hdl, snapname, ZFS_TYPE_SNAPSHOT, 3964248571Smm B_TRUE)) { 3965248571Smm (void) snprintf(errbuf, sizeof (errbuf), 3966248571Smm dgettext(TEXT_DOMAIN, 3967248571Smm "cannot create snapshot '%s'"), snapname); 3968248571Smm return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); 3969248571Smm } 3970248571Smm } 3971185029Spjd 3972289500Smav /* 3973289500Smav * get pool handle for prop validation. assumes all snaps are in the 3974289500Smav * same pool, as does lzc_snapshot (below). 3975289500Smav */ 3976307108Smav char pool[ZFS_MAX_DATASET_NAME_LEN]; 3977289500Smav elem = nvlist_next_nvpair(snaps, NULL); 3978289500Smav (void) strlcpy(pool, nvpair_name(elem), sizeof (pool)); 3979289500Smav pool[strcspn(pool, "/@")] = '\0'; 3980289500Smav zpool_handle_t *zpool_hdl = zpool_open(hdl, pool); 3981289500Smav 3982248571Smm if (props != NULL && 3983248571Smm (props = zfs_valid_proplist(hdl, ZFS_TYPE_SNAPSHOT, 3984289500Smav props, B_FALSE, NULL, zpool_hdl, errbuf)) == NULL) { 3985289500Smav zpool_close(zpool_hdl); 3986248571Smm return (-1); 3987248571Smm } 3988289500Smav zpool_close(zpool_hdl); 3989248571Smm 3990248571Smm ret = lzc_snapshot(snaps, props, &errors); 3991248571Smm 3992248571Smm if (ret != 0) { 3993248571Smm boolean_t printed = B_FALSE; 3994248571Smm for (elem = nvlist_next_nvpair(errors, NULL); 3995248571Smm elem != NULL; 3996248571Smm elem = nvlist_next_nvpair(errors, elem)) { 3997248571Smm (void) snprintf(errbuf, sizeof (errbuf), 3998248571Smm dgettext(TEXT_DOMAIN, 3999248571Smm "cannot create snapshot '%s'"), nvpair_name(elem)); 4000248571Smm (void) zfs_standard_error(hdl, 4001248571Smm fnvpair_value_int32(elem), errbuf); 4002248571Smm printed = B_TRUE; 4003185029Spjd } 4004248571Smm if (!printed) { 4005248571Smm switch (ret) { 4006248571Smm case EXDEV: 4007248571Smm zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4008248571Smm "multiple snapshots of same " 4009248571Smm "fs not allowed")); 4010248571Smm (void) zfs_error(hdl, EZFS_EXISTS, errbuf); 4011185029Spjd 4012248571Smm break; 4013248571Smm default: 4014248571Smm (void) zfs_standard_error(hdl, ret, errbuf); 4015248571Smm } 4016248571Smm } 4017185029Spjd } 4018185029Spjd 4019248571Smm nvlist_free(props); 4020248571Smm nvlist_free(errors); 4021248571Smm return (ret); 4022248571Smm} 4023168404Spjd 4024248571Smmint 4025248571Smmzfs_snapshot(libzfs_handle_t *hdl, const char *path, boolean_t recursive, 4026248571Smm nvlist_t *props) 4027248571Smm{ 4028248571Smm int ret; 4029248571Smm snapdata_t sd = { 0 }; 4030307108Smav char fsname[ZFS_MAX_DATASET_NAME_LEN]; 4031248571Smm char *cp; 4032248571Smm zfs_handle_t *zhp; 4033248571Smm char errbuf[1024]; 4034248571Smm 4035248571Smm (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 4036248571Smm "cannot snapshot %s"), path); 4037248571Smm 4038248571Smm if (!zfs_validate_name(hdl, path, ZFS_TYPE_SNAPSHOT, B_TRUE)) 4039248571Smm return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); 4040248571Smm 4041248571Smm (void) strlcpy(fsname, path, sizeof (fsname)); 4042248571Smm cp = strchr(fsname, '@'); 4043248571Smm *cp = '\0'; 4044248571Smm sd.sd_snapname = cp + 1; 4045248571Smm 4046248571Smm if ((zhp = zfs_open(hdl, fsname, ZFS_TYPE_FILESYSTEM | 4047168404Spjd ZFS_TYPE_VOLUME)) == NULL) { 4048168404Spjd return (-1); 4049168404Spjd } 4050168404Spjd 4051248571Smm verify(nvlist_alloc(&sd.sd_nvl, NV_UNIQUE_NAME, 0) == 0); 4052248571Smm if (recursive) { 4053248571Smm (void) zfs_snapshot_cb(zfs_handle_dup(zhp), &sd); 4054248571Smm } else { 4055248571Smm fnvlist_add_boolean(sd.sd_nvl, path); 4056168404Spjd } 4057168404Spjd 4058248571Smm ret = zfs_snapshot_nvl(hdl, sd.sd_nvl, props); 4059248571Smm nvlist_free(sd.sd_nvl); 4060168404Spjd zfs_close(zhp); 4061168404Spjd return (ret); 4062168404Spjd} 4063168404Spjd 4064168404Spjd/* 4065168404Spjd * Destroy any more recent snapshots. We invoke this callback on any dependents 4066168404Spjd * of the snapshot first. If the 'cb_dependent' member is non-zero, then this 4067168404Spjd * is a dependent and we should just destroy it without checking the transaction 4068168404Spjd * group. 4069168404Spjd */ 4070168404Spjdtypedef struct rollback_data { 4071168404Spjd const char *cb_target; /* the snapshot */ 4072168404Spjd uint64_t cb_create; /* creation time reference */ 4073185029Spjd boolean_t cb_error; 4074185029Spjd boolean_t cb_force; 4075168404Spjd} rollback_data_t; 4076168404Spjd 4077168404Spjdstatic int 4078260183Sdelphijrollback_destroy_dependent(zfs_handle_t *zhp, void *data) 4079168404Spjd{ 4080168404Spjd rollback_data_t *cbp = data; 4081260183Sdelphij prop_changelist_t *clp; 4082168404Spjd 4083260183Sdelphij /* We must destroy this clone; first unmount it */ 4084260183Sdelphij clp = changelist_gather(zhp, ZFS_PROP_NAME, 0, 4085260183Sdelphij cbp->cb_force ? MS_FORCE: 0); 4086260183Sdelphij if (clp == NULL || changelist_prefix(clp) != 0) { 4087260183Sdelphij cbp->cb_error = B_TRUE; 4088260183Sdelphij zfs_close(zhp); 4089260183Sdelphij return (0); 4090260183Sdelphij } 4091260183Sdelphij if (zfs_destroy(zhp, B_FALSE) != 0) 4092260183Sdelphij cbp->cb_error = B_TRUE; 4093260183Sdelphij else 4094260183Sdelphij changelist_remove(clp, zhp->zfs_name); 4095260183Sdelphij (void) changelist_postfix(clp); 4096260183Sdelphij changelist_free(clp); 4097168404Spjd 4098260183Sdelphij zfs_close(zhp); 4099260183Sdelphij return (0); 4100260183Sdelphij} 4101168404Spjd 4102260183Sdelphijstatic int 4103260183Sdelphijrollback_destroy(zfs_handle_t *zhp, void *data) 4104260183Sdelphij{ 4105260183Sdelphij rollback_data_t *cbp = data; 4106185029Spjd 4107260183Sdelphij if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > cbp->cb_create) { 4108260183Sdelphij cbp->cb_error |= zfs_iter_dependents(zhp, B_FALSE, 4109260183Sdelphij rollback_destroy_dependent, cbp); 4110260183Sdelphij 4111260183Sdelphij cbp->cb_error |= zfs_destroy(zhp, B_FALSE); 4112168404Spjd } 4113168404Spjd 4114168404Spjd zfs_close(zhp); 4115168404Spjd return (0); 4116168404Spjd} 4117168404Spjd 4118168404Spjd/* 4119168404Spjd * Given a dataset, rollback to a specific snapshot, discarding any 4120168404Spjd * data changes since then and making it the active dataset. 4121168404Spjd * 4122260183Sdelphij * Any snapshots and bookmarks more recent than the target are 4123260183Sdelphij * destroyed, along with their dependents (i.e. clones). 4124168404Spjd */ 4125168404Spjdint 4126185029Spjdzfs_rollback(zfs_handle_t *zhp, zfs_handle_t *snap, boolean_t force) 4127168404Spjd{ 4128168404Spjd rollback_data_t cb = { 0 }; 4129185029Spjd int err; 4130185029Spjd boolean_t restore_resv = 0; 4131307107Smav uint64_t old_volsize = 0, new_volsize; 4132185029Spjd zfs_prop_t resv_prop; 4133168404Spjd 4134185029Spjd assert(zhp->zfs_type == ZFS_TYPE_FILESYSTEM || 4135185029Spjd zhp->zfs_type == ZFS_TYPE_VOLUME); 4136168404Spjd 4137168404Spjd /* 4138239774Smm * Destroy all recent snapshots and their dependents. 4139168404Spjd */ 4140185029Spjd cb.cb_force = force; 4141168404Spjd cb.cb_target = snap->zfs_name; 4142168404Spjd cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG); 4143260183Sdelphij (void) zfs_iter_snapshots(zhp, B_FALSE, rollback_destroy, &cb); 4144260183Sdelphij (void) zfs_iter_bookmarks(zhp, rollback_destroy, &cb); 4145168404Spjd 4146185029Spjd if (cb.cb_error) 4147185029Spjd return (-1); 4148168404Spjd 4149168404Spjd /* 4150168404Spjd * Now that we have verified that the snapshot is the latest, 4151168404Spjd * rollback to the given snapshot. 4152168404Spjd */ 4153168404Spjd 4154185029Spjd if (zhp->zfs_type == ZFS_TYPE_VOLUME) { 4155185029Spjd if (zfs_which_resv_prop(zhp, &resv_prop) < 0) 4156185029Spjd return (-1); 4157185029Spjd old_volsize = zfs_prop_get_int(zhp, ZFS_PROP_VOLSIZE); 4158185029Spjd restore_resv = 4159185029Spjd (old_volsize == zfs_prop_get_int(zhp, resv_prop)); 4160168404Spjd } 4161168404Spjd 4162168404Spjd /* 4163323757Savg * Pass both the filesystem and the wanted snapshot names, 4164323757Savg * we would get an error back if the snapshot is destroyed or 4165323757Savg * a new snapshot is created before this request is processed. 4166168404Spjd */ 4167323757Savg err = lzc_rollback_to(zhp->zfs_name, snap->zfs_name); 4168330590Savg if (err != 0) { 4169330590Savg char errbuf[1024]; 4170330590Savg 4171330590Savg (void) snprintf(errbuf, sizeof (errbuf), 4172323757Savg dgettext(TEXT_DOMAIN, "cannot rollback '%s'"), 4173323757Savg zhp->zfs_name); 4174330590Savg switch (err) { 4175330590Savg case EEXIST: 4176330590Savg zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, 4177330590Savg "there is a snapshot or bookmark more recent " 4178330590Savg "than '%s'"), snap->zfs_name); 4179330590Savg (void) zfs_error(zhp->zfs_hdl, EZFS_EXISTS, errbuf); 4180330590Savg break; 4181330590Savg case ESRCH: 4182330590Savg zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, 4183330590Savg "'%s' is not found among snapshots of '%s'"), 4184330590Savg snap->zfs_name, zhp->zfs_name); 4185330590Savg (void) zfs_error(zhp->zfs_hdl, EZFS_NOENT, errbuf); 4186330590Savg break; 4187330590Savg case EINVAL: 4188330590Savg (void) zfs_error(zhp->zfs_hdl, EZFS_BADTYPE, errbuf); 4189330590Savg break; 4190330590Savg default: 4191330590Savg (void) zfs_standard_error(zhp->zfs_hdl, err, errbuf); 4192330590Savg } 4193323757Savg return (err); 4194185029Spjd } 4195168404Spjd 4196185029Spjd /* 4197185029Spjd * For volumes, if the pre-rollback volsize matched the pre- 4198185029Spjd * rollback reservation and the volsize has changed then set 4199185029Spjd * the reservation property to the post-rollback volsize. 4200185029Spjd * Make a new handle since the rollback closed the dataset. 4201185029Spjd */ 4202185029Spjd if ((zhp->zfs_type == ZFS_TYPE_VOLUME) && 4203185029Spjd (zhp = make_dataset_handle(zhp->zfs_hdl, zhp->zfs_name))) { 4204185029Spjd if (restore_resv) { 4205185029Spjd new_volsize = zfs_prop_get_int(zhp, ZFS_PROP_VOLSIZE); 4206185029Spjd if (old_volsize != new_volsize) 4207185029Spjd err = zfs_prop_set_int(zhp, resv_prop, 4208185029Spjd new_volsize); 4209185029Spjd } 4210185029Spjd zfs_close(zhp); 4211185029Spjd } 4212185029Spjd return (err); 4213168404Spjd} 4214168404Spjd 4215168404Spjd/* 4216168404Spjd * Renames the given dataset. 4217168404Spjd */ 4218168404Spjdint 4219240870Spjdzfs_rename(zfs_handle_t *zhp, const char *source, const char *target, 4220240870Spjd renameflags_t flags) 4221168404Spjd{ 4222307050Smav int ret = 0; 4223168404Spjd zfs_cmd_t zc = { 0 }; 4224168404Spjd char *delim; 4225168676Spjd prop_changelist_t *cl = NULL; 4226168676Spjd zfs_handle_t *zhrp = NULL; 4227168676Spjd char *parentname = NULL; 4228307108Smav char parent[ZFS_MAX_DATASET_NAME_LEN]; 4229226676Spjd char property[ZFS_MAXPROPLEN]; 4230168404Spjd libzfs_handle_t *hdl = zhp->zfs_hdl; 4231168404Spjd char errbuf[1024]; 4232168404Spjd 4233168404Spjd /* if we have the same exact name, just return success */ 4234168404Spjd if (strcmp(zhp->zfs_name, target) == 0) 4235168404Spjd return (0); 4236168404Spjd 4237168404Spjd (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 4238168404Spjd "cannot rename to '%s'"), target); 4239168404Spjd 4240240870Spjd if (source != NULL) { 4241240870Spjd /* 4242240870Spjd * This is recursive snapshots rename, put snapshot name 4243240870Spjd * (that might not exist) into zfs_name. 4244240870Spjd */ 4245240870Spjd assert(flags.recurse); 4246240870Spjd 4247240870Spjd (void) strlcat(zhp->zfs_name, "@", sizeof(zhp->zfs_name)); 4248240870Spjd (void) strlcat(zhp->zfs_name, source, sizeof(zhp->zfs_name)); 4249240870Spjd zhp->zfs_type = ZFS_TYPE_SNAPSHOT; 4250240870Spjd } 4251240870Spjd 4252332535Smav /* make sure source name is valid */ 4253332535Smav if (!zfs_validate_name(hdl, zhp->zfs_name, zhp->zfs_type, B_TRUE)) 4254332535Smav return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); 4255332535Smav 4256168404Spjd /* 4257168404Spjd * Make sure the target name is valid 4258168404Spjd */ 4259168404Spjd if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT) { 4260168404Spjd if ((strchr(target, '@') == NULL) || 4261168404Spjd *target == '@') { 4262168404Spjd /* 4263168404Spjd * Snapshot target name is abbreviated, 4264168404Spjd * reconstruct full dataset name 4265168404Spjd */ 4266168404Spjd (void) strlcpy(parent, zhp->zfs_name, 4267168404Spjd sizeof (parent)); 4268168404Spjd delim = strchr(parent, '@'); 4269168404Spjd if (strchr(target, '@') == NULL) 4270168404Spjd *(++delim) = '\0'; 4271168404Spjd else 4272168404Spjd *delim = '\0'; 4273168404Spjd (void) strlcat(parent, target, sizeof (parent)); 4274168404Spjd target = parent; 4275168404Spjd } else { 4276168404Spjd /* 4277168404Spjd * Make sure we're renaming within the same dataset. 4278168404Spjd */ 4279168404Spjd delim = strchr(target, '@'); 4280168404Spjd if (strncmp(zhp->zfs_name, target, delim - target) 4281168404Spjd != 0 || zhp->zfs_name[delim - target] != '@') { 4282168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4283168404Spjd "snapshots must be part of same " 4284168404Spjd "dataset")); 4285168404Spjd return (zfs_error(hdl, EZFS_CROSSTARGET, 4286168404Spjd errbuf)); 4287168404Spjd } 4288168404Spjd } 4289185029Spjd if (!zfs_validate_name(hdl, target, zhp->zfs_type, B_TRUE)) 4290168404Spjd return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); 4291168404Spjd } else { 4292226705Spjd if (flags.recurse) { 4293168676Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4294168676Spjd "recursive rename must be a snapshot")); 4295168676Spjd return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); 4296168676Spjd } 4297168676Spjd 4298185029Spjd if (!zfs_validate_name(hdl, target, zhp->zfs_type, B_TRUE)) 4299168404Spjd return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); 4300168404Spjd 4301168404Spjd /* validate parents */ 4302219089Spjd if (check_parents(hdl, target, NULL, B_FALSE, NULL) != 0) 4303168404Spjd return (-1); 4304168404Spjd 4305168404Spjd /* make sure we're in the same pool */ 4306168404Spjd verify((delim = strchr(target, '/')) != NULL); 4307168404Spjd if (strncmp(zhp->zfs_name, target, delim - target) != 0 || 4308168404Spjd zhp->zfs_name[delim - target] != '/') { 4309168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4310168404Spjd "datasets must be within same pool")); 4311168404Spjd return (zfs_error(hdl, EZFS_CROSSTARGET, errbuf)); 4312168404Spjd } 4313168404Spjd 4314168404Spjd /* new name cannot be a child of the current dataset name */ 4315219089Spjd if (is_descendant(zhp->zfs_name, target)) { 4316168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4317219089Spjd "New dataset name cannot be a descendant of " 4318168404Spjd "current dataset name")); 4319168404Spjd return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); 4320168404Spjd } 4321168404Spjd } 4322168404Spjd 4323168404Spjd (void) snprintf(errbuf, sizeof (errbuf), 4324168404Spjd dgettext(TEXT_DOMAIN, "cannot rename '%s'"), zhp->zfs_name); 4325168404Spjd 4326168404Spjd if (getzoneid() == GLOBAL_ZONEID && 4327168404Spjd zfs_prop_get_int(zhp, ZFS_PROP_ZONED)) { 4328168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4329168404Spjd "dataset is used in a non-global zone")); 4330168404Spjd return (zfs_error(hdl, EZFS_ZONED, errbuf)); 4331168404Spjd } 4332168404Spjd 4333226705Spjd /* 4334226705Spjd * Avoid unmounting file systems with mountpoint property set to 4335226705Spjd * 'legacy' or 'none' even if -u option is not given. 4336226705Spjd */ 4337226705Spjd if (zhp->zfs_type == ZFS_TYPE_FILESYSTEM && 4338226705Spjd !flags.recurse && !flags.nounmount && 4339226705Spjd zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, property, 4340226705Spjd sizeof (property), NULL, NULL, 0, B_FALSE) == 0 && 4341226705Spjd (strcmp(property, "legacy") == 0 || 4342226705Spjd strcmp(property, "none") == 0)) { 4343226705Spjd flags.nounmount = B_TRUE; 4344226705Spjd } 4345226705Spjd if (flags.recurse) { 4346226705Spjd 4347185029Spjd parentname = zfs_strdup(zhp->zfs_hdl, zhp->zfs_name); 4348185029Spjd if (parentname == NULL) { 4349185029Spjd ret = -1; 4350185029Spjd goto error; 4351185029Spjd } 4352168676Spjd delim = strchr(parentname, '@'); 4353168676Spjd *delim = '\0'; 4354185029Spjd zhrp = zfs_open(zhp->zfs_hdl, parentname, ZFS_TYPE_DATASET); 4355168676Spjd if (zhrp == NULL) { 4356185029Spjd ret = -1; 4357185029Spjd goto error; 4358168676Spjd } 4359268469Sdelphij } else if (zhp->zfs_type != ZFS_TYPE_SNAPSHOT) { 4360226676Spjd if ((cl = changelist_gather(zhp, ZFS_PROP_NAME, 4361235216Smm flags.nounmount ? CL_GATHER_DONT_UNMOUNT : 0, 4362235216Smm flags.forceunmount ? MS_FORCE : 0)) == NULL) { 4363168676Spjd return (-1); 4364226676Spjd } 4365168676Spjd 4366168676Spjd if (changelist_haszonedchild(cl)) { 4367168676Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4368168676Spjd "child dataset with inherited mountpoint is used " 4369168676Spjd "in a non-global zone")); 4370168676Spjd (void) zfs_error(hdl, EZFS_ZONED, errbuf); 4371307107Smav ret = -1; 4372168676Spjd goto error; 4373168676Spjd } 4374168676Spjd 4375168676Spjd if ((ret = changelist_prefix(cl)) != 0) 4376168676Spjd goto error; 4377168404Spjd } 4378168404Spjd 4379168404Spjd if (ZFS_IS_VOLUME(zhp)) 4380168404Spjd zc.zc_objset_type = DMU_OST_ZVOL; 4381168404Spjd else 4382168404Spjd zc.zc_objset_type = DMU_OST_ZFS; 4383168404Spjd 4384168404Spjd (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); 4385168404Spjd (void) strlcpy(zc.zc_value, target, sizeof (zc.zc_value)); 4386168404Spjd 4387226705Spjd zc.zc_cookie = flags.recurse ? 1 : 0; 4388226705Spjd if (flags.nounmount) 4389226676Spjd zc.zc_cookie |= 2; 4390168676Spjd 4391185029Spjd if ((ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_RENAME, &zc)) != 0) { 4392168676Spjd /* 4393168676Spjd * if it was recursive, the one that actually failed will 4394168676Spjd * be in zc.zc_name 4395168676Spjd */ 4396168676Spjd (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 4397185029Spjd "cannot rename '%s'"), zc.zc_name); 4398168404Spjd 4399226705Spjd if (flags.recurse && errno == EEXIST) { 4400168676Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4401168676Spjd "a child dataset already has a snapshot " 4402168676Spjd "with the new name")); 4403185029Spjd (void) zfs_error(hdl, EZFS_EXISTS, errbuf); 4404168676Spjd } else { 4405168676Spjd (void) zfs_standard_error(zhp->zfs_hdl, errno, errbuf); 4406168676Spjd } 4407168676Spjd 4408168404Spjd /* 4409168404Spjd * On failure, we still want to remount any filesystems that 4410168404Spjd * were previously mounted, so we don't alter the system state. 4411168404Spjd */ 4412268469Sdelphij if (cl != NULL) 4413168676Spjd (void) changelist_postfix(cl); 4414168404Spjd } else { 4415268469Sdelphij if (cl != NULL) { 4416168676Spjd changelist_rename(cl, zfs_get_name(zhp), target); 4417168676Spjd ret = changelist_postfix(cl); 4418168676Spjd } 4419168404Spjd } 4420168404Spjd 4421168404Spjderror: 4422268469Sdelphij if (parentname != NULL) { 4423168676Spjd free(parentname); 4424168676Spjd } 4425268469Sdelphij if (zhrp != NULL) { 4426168676Spjd zfs_close(zhrp); 4427168676Spjd } 4428268469Sdelphij if (cl != NULL) { 4429168676Spjd changelist_free(cl); 4430168676Spjd } 4431168404Spjd return (ret); 4432168404Spjd} 4433168404Spjd 4434219089Spjdnvlist_t * 4435219089Spjdzfs_get_user_props(zfs_handle_t *zhp) 4436168404Spjd{ 4437219089Spjd return (zhp->zfs_user_props); 4438168676Spjd} 4439168676Spjd 4440168404Spjdnvlist_t * 4441219089Spjdzfs_get_recvd_props(zfs_handle_t *zhp) 4442168404Spjd{ 4443219089Spjd if (zhp->zfs_recvd_props == NULL) 4444219089Spjd if (get_recvd_props_ioctl(zhp) != 0) 4445219089Spjd return (NULL); 4446219089Spjd return (zhp->zfs_recvd_props); 4447168404Spjd} 4448168404Spjd 4449168404Spjd/* 4450168404Spjd * This function is used by 'zfs list' to determine the exact set of columns to 4451168404Spjd * display, and their maximum widths. This does two main things: 4452168404Spjd * 4453168404Spjd * - If this is a list of all properties, then expand the list to include 4454168404Spjd * all native properties, and set a flag so that for each dataset we look 4455168404Spjd * for new unique user properties and add them to the list. 4456168404Spjd * 4457168404Spjd * - For non fixed-width properties, keep track of the maximum width seen 4458219089Spjd * so that we can size the column appropriately. If the user has 4459219089Spjd * requested received property values, we also need to compute the width 4460219089Spjd * of the RECEIVED column. 4461168404Spjd */ 4462168404Spjdint 4463259850Sdelphijzfs_expand_proplist(zfs_handle_t *zhp, zprop_list_t **plp, boolean_t received, 4464259850Sdelphij boolean_t literal) 4465168404Spjd{ 4466168404Spjd libzfs_handle_t *hdl = zhp->zfs_hdl; 4467185029Spjd zprop_list_t *entry; 4468185029Spjd zprop_list_t **last, **start; 4469168404Spjd nvlist_t *userprops, *propval; 4470168404Spjd nvpair_t *elem; 4471168404Spjd char *strval; 4472168404Spjd char buf[ZFS_MAXPROPLEN]; 4473168404Spjd 4474185029Spjd if (zprop_expand_list(hdl, plp, ZFS_TYPE_DATASET) != 0) 4475168404Spjd return (-1); 4476168404Spjd 4477168404Spjd userprops = zfs_get_user_props(zhp); 4478168404Spjd 4479168404Spjd entry = *plp; 4480168404Spjd if (entry->pl_all && nvlist_next_nvpair(userprops, NULL) != NULL) { 4481168404Spjd /* 4482168404Spjd * Go through and add any user properties as necessary. We 4483168404Spjd * start by incrementing our list pointer to the first 4484168404Spjd * non-native property. 4485168404Spjd */ 4486168404Spjd start = plp; 4487168404Spjd while (*start != NULL) { 4488185029Spjd if ((*start)->pl_prop == ZPROP_INVAL) 4489168404Spjd break; 4490168404Spjd start = &(*start)->pl_next; 4491168404Spjd } 4492168404Spjd 4493168404Spjd elem = NULL; 4494168404Spjd while ((elem = nvlist_next_nvpair(userprops, elem)) != NULL) { 4495168404Spjd /* 4496168404Spjd * See if we've already found this property in our list. 4497168404Spjd */ 4498168404Spjd for (last = start; *last != NULL; 4499168404Spjd last = &(*last)->pl_next) { 4500168404Spjd if (strcmp((*last)->pl_user_prop, 4501168404Spjd nvpair_name(elem)) == 0) 4502168404Spjd break; 4503168404Spjd } 4504168404Spjd 4505168404Spjd if (*last == NULL) { 4506168404Spjd if ((entry = zfs_alloc(hdl, 4507185029Spjd sizeof (zprop_list_t))) == NULL || 4508168404Spjd ((entry->pl_user_prop = zfs_strdup(hdl, 4509168404Spjd nvpair_name(elem)))) == NULL) { 4510168404Spjd free(entry); 4511168404Spjd return (-1); 4512168404Spjd } 4513168404Spjd 4514185029Spjd entry->pl_prop = ZPROP_INVAL; 4515168404Spjd entry->pl_width = strlen(nvpair_name(elem)); 4516168404Spjd entry->pl_all = B_TRUE; 4517168404Spjd *last = entry; 4518168404Spjd } 4519168404Spjd } 4520168404Spjd } 4521168404Spjd 4522168404Spjd /* 4523168404Spjd * Now go through and check the width of any non-fixed columns 4524168404Spjd */ 4525168404Spjd for (entry = *plp; entry != NULL; entry = entry->pl_next) { 4526259850Sdelphij if (entry->pl_fixed && !literal) 4527168404Spjd continue; 4528168404Spjd 4529185029Spjd if (entry->pl_prop != ZPROP_INVAL) { 4530168404Spjd if (zfs_prop_get(zhp, entry->pl_prop, 4531259850Sdelphij buf, sizeof (buf), NULL, NULL, 0, literal) == 0) { 4532168404Spjd if (strlen(buf) > entry->pl_width) 4533168404Spjd entry->pl_width = strlen(buf); 4534168404Spjd } 4535219089Spjd if (received && zfs_prop_get_recvd(zhp, 4536219089Spjd zfs_prop_to_name(entry->pl_prop), 4537259850Sdelphij buf, sizeof (buf), literal) == 0) 4538219089Spjd if (strlen(buf) > entry->pl_recvd_width) 4539219089Spjd entry->pl_recvd_width = strlen(buf); 4540219089Spjd } else { 4541219089Spjd if (nvlist_lookup_nvlist(userprops, entry->pl_user_prop, 4542219089Spjd &propval) == 0) { 4543219089Spjd verify(nvlist_lookup_string(propval, 4544219089Spjd ZPROP_VALUE, &strval) == 0); 4545219089Spjd if (strlen(strval) > entry->pl_width) 4546219089Spjd entry->pl_width = strlen(strval); 4547219089Spjd } 4548219089Spjd if (received && zfs_prop_get_recvd(zhp, 4549219089Spjd entry->pl_user_prop, 4550259850Sdelphij buf, sizeof (buf), literal) == 0) 4551219089Spjd if (strlen(buf) > entry->pl_recvd_width) 4552219089Spjd entry->pl_recvd_width = strlen(buf); 4553168404Spjd } 4554168404Spjd } 4555168404Spjd 4556168404Spjd return (0); 4557168404Spjd} 4558168404Spjd 4559185029Spjdint 4560185029Spjdzfs_deleg_share_nfs(libzfs_handle_t *hdl, char *dataset, char *path, 4561209962Smm char *resource, void *export, void *sharetab, 4562209962Smm int sharemax, zfs_share_op_t operation) 4563185029Spjd{ 4564185029Spjd zfs_cmd_t zc = { 0 }; 4565185029Spjd int error; 4566185029Spjd 4567185029Spjd (void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name)); 4568185029Spjd (void) strlcpy(zc.zc_value, path, sizeof (zc.zc_value)); 4569209962Smm if (resource) 4570209962Smm (void) strlcpy(zc.zc_string, resource, sizeof (zc.zc_string)); 4571185029Spjd zc.zc_share.z_sharedata = (uint64_t)(uintptr_t)sharetab; 4572185029Spjd zc.zc_share.z_exportdata = (uint64_t)(uintptr_t)export; 4573185029Spjd zc.zc_share.z_sharetype = operation; 4574185029Spjd zc.zc_share.z_sharemax = sharemax; 4575185029Spjd error = ioctl(hdl->libzfs_fd, ZFS_IOC_SHARE, &zc); 4576185029Spjd return (error); 4577185029Spjd} 4578185029Spjd 4579205198Sdelphijvoid 4580205198Sdelphijzfs_prune_proplist(zfs_handle_t *zhp, uint8_t *props) 4581205198Sdelphij{ 4582205198Sdelphij nvpair_t *curr; 4583205198Sdelphij 4584205198Sdelphij /* 4585205198Sdelphij * Keep a reference to the props-table against which we prune the 4586205198Sdelphij * properties. 4587205198Sdelphij */ 4588205198Sdelphij zhp->zfs_props_table = props; 4589205198Sdelphij 4590205198Sdelphij curr = nvlist_next_nvpair(zhp->zfs_props, NULL); 4591205198Sdelphij 4592205198Sdelphij while (curr) { 4593205198Sdelphij zfs_prop_t zfs_prop = zfs_name_to_prop(nvpair_name(curr)); 4594205198Sdelphij nvpair_t *next = nvlist_next_nvpair(zhp->zfs_props, curr); 4595205198Sdelphij 4596206199Sdelphij /* 4597219089Spjd * User properties will result in ZPROP_INVAL, and since we 4598219089Spjd * only know how to prune standard ZFS properties, we always 4599219089Spjd * leave these in the list. This can also happen if we 4600219089Spjd * encounter an unknown DSL property (when running older 4601219089Spjd * software, for example). 4602206199Sdelphij */ 4603206199Sdelphij if (zfs_prop != ZPROP_INVAL && props[zfs_prop] == B_FALSE) 4604205198Sdelphij (void) nvlist_remove(zhp->zfs_props, 4605205198Sdelphij nvpair_name(curr), nvpair_type(curr)); 4606205198Sdelphij curr = next; 4607205198Sdelphij } 4608205198Sdelphij} 4609205198Sdelphij 4610277300Ssmh#ifdef illumos 4611209962Smmstatic int 4612209962Smmzfs_smb_acl_mgmt(libzfs_handle_t *hdl, char *dataset, char *path, 4613209962Smm zfs_smb_acl_op_t cmd, char *resource1, char *resource2) 4614209962Smm{ 4615209962Smm zfs_cmd_t zc = { 0 }; 4616209962Smm nvlist_t *nvlist = NULL; 4617209962Smm int error; 4618209962Smm 4619209962Smm (void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name)); 4620209962Smm (void) strlcpy(zc.zc_value, path, sizeof (zc.zc_value)); 4621209962Smm zc.zc_cookie = (uint64_t)cmd; 4622209962Smm 4623209962Smm if (cmd == ZFS_SMB_ACL_RENAME) { 4624209962Smm if (nvlist_alloc(&nvlist, NV_UNIQUE_NAME, 0) != 0) { 4625209962Smm (void) no_memory(hdl); 4626289497Smav return (0); 4627209962Smm } 4628209962Smm } 4629209962Smm 4630209962Smm switch (cmd) { 4631209962Smm case ZFS_SMB_ACL_ADD: 4632209962Smm case ZFS_SMB_ACL_REMOVE: 4633209962Smm (void) strlcpy(zc.zc_string, resource1, sizeof (zc.zc_string)); 4634209962Smm break; 4635209962Smm case ZFS_SMB_ACL_RENAME: 4636209962Smm if (nvlist_add_string(nvlist, ZFS_SMB_ACL_SRC, 4637209962Smm resource1) != 0) { 4638209962Smm (void) no_memory(hdl); 4639209962Smm return (-1); 4640209962Smm } 4641209962Smm if (nvlist_add_string(nvlist, ZFS_SMB_ACL_TARGET, 4642209962Smm resource2) != 0) { 4643209962Smm (void) no_memory(hdl); 4644209962Smm return (-1); 4645209962Smm } 4646209962Smm if (zcmd_write_src_nvlist(hdl, &zc, nvlist) != 0) { 4647209962Smm nvlist_free(nvlist); 4648209962Smm return (-1); 4649209962Smm } 4650209962Smm break; 4651209962Smm case ZFS_SMB_ACL_PURGE: 4652209962Smm break; 4653209962Smm default: 4654209962Smm return (-1); 4655209962Smm } 4656209962Smm error = ioctl(hdl->libzfs_fd, ZFS_IOC_SMB_ACL, &zc); 4657296528Smav nvlist_free(nvlist); 4658209962Smm return (error); 4659209962Smm} 4660209962Smm 4661209962Smmint 4662209962Smmzfs_smb_acl_add(libzfs_handle_t *hdl, char *dataset, 4663209962Smm char *path, char *resource) 4664209962Smm{ 4665209962Smm return (zfs_smb_acl_mgmt(hdl, dataset, path, ZFS_SMB_ACL_ADD, 4666209962Smm resource, NULL)); 4667209962Smm} 4668209962Smm 4669209962Smmint 4670209962Smmzfs_smb_acl_remove(libzfs_handle_t *hdl, char *dataset, 4671209962Smm char *path, char *resource) 4672209962Smm{ 4673209962Smm return (zfs_smb_acl_mgmt(hdl, dataset, path, ZFS_SMB_ACL_REMOVE, 4674209962Smm resource, NULL)); 4675209962Smm} 4676209962Smm 4677209962Smmint 4678209962Smmzfs_smb_acl_purge(libzfs_handle_t *hdl, char *dataset, char *path) 4679209962Smm{ 4680209962Smm return (zfs_smb_acl_mgmt(hdl, dataset, path, ZFS_SMB_ACL_PURGE, 4681209962Smm NULL, NULL)); 4682209962Smm} 4683209962Smm 4684209962Smmint 4685209962Smmzfs_smb_acl_rename(libzfs_handle_t *hdl, char *dataset, char *path, 4686209962Smm char *oldname, char *newname) 4687209962Smm{ 4688209962Smm return (zfs_smb_acl_mgmt(hdl, dataset, path, ZFS_SMB_ACL_RENAME, 4689209962Smm oldname, newname)); 4690209962Smm} 4691277300Ssmh#endif /* illumos */ 4692209962Smm 4693209962Smmint 4694209962Smmzfs_userspace(zfs_handle_t *zhp, zfs_userquota_prop_t type, 4695209962Smm zfs_userspace_cb_t func, void *arg) 4696209962Smm{ 4697209962Smm zfs_cmd_t zc = { 0 }; 4698209962Smm zfs_useracct_t buf[100]; 4699240415Smm libzfs_handle_t *hdl = zhp->zfs_hdl; 4700240415Smm int ret; 4701209962Smm 4702228103Smm (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); 4703209962Smm 4704209962Smm zc.zc_objset_type = type; 4705209962Smm zc.zc_nvlist_dst = (uintptr_t)buf; 4706209962Smm 4707240415Smm for (;;) { 4708209962Smm zfs_useracct_t *zua = buf; 4709209962Smm 4710209962Smm zc.zc_nvlist_dst_size = sizeof (buf); 4711240415Smm if (zfs_ioctl(hdl, ZFS_IOC_USERSPACE_MANY, &zc) != 0) { 4712248571Smm char errbuf[1024]; 4713240415Smm 4714240415Smm (void) snprintf(errbuf, sizeof (errbuf), 4715240415Smm dgettext(TEXT_DOMAIN, 4716240415Smm "cannot get used/quota for %s"), zc.zc_name); 4717240415Smm return (zfs_standard_error_fmt(hdl, errno, errbuf)); 4718240415Smm } 4719240415Smm if (zc.zc_nvlist_dst_size == 0) 4720209962Smm break; 4721209962Smm 4722209962Smm while (zc.zc_nvlist_dst_size > 0) { 4723240415Smm if ((ret = func(arg, zua->zu_domain, zua->zu_rid, 4724240415Smm zua->zu_space)) != 0) 4725240415Smm return (ret); 4726209962Smm zua++; 4727209962Smm zc.zc_nvlist_dst_size -= sizeof (zfs_useracct_t); 4728209962Smm } 4729209962Smm } 4730209962Smm 4731240415Smm return (0); 4732209962Smm} 4733209962Smm 4734248571Smmstruct holdarg { 4735248571Smm nvlist_t *nvl; 4736248571Smm const char *snapname; 4737248571Smm const char *tag; 4738248571Smm boolean_t recursive; 4739252219Sdelphij int error; 4740248571Smm}; 4741248571Smm 4742248571Smmstatic int 4743248571Smmzfs_hold_one(zfs_handle_t *zhp, void *arg) 4744248571Smm{ 4745248571Smm struct holdarg *ha = arg; 4746307108Smav char name[ZFS_MAX_DATASET_NAME_LEN]; 4747248571Smm int rv = 0; 4748248571Smm 4749248571Smm (void) snprintf(name, sizeof (name), 4750248571Smm "%s@%s", zhp->zfs_name, ha->snapname); 4751248571Smm 4752251646Sdelphij if (lzc_exists(name)) 4753248571Smm fnvlist_add_string(ha->nvl, name, ha->tag); 4754248571Smm 4755248571Smm if (ha->recursive) 4756248571Smm rv = zfs_iter_filesystems(zhp, zfs_hold_one, ha); 4757248571Smm zfs_close(zhp); 4758248571Smm return (rv); 4759248571Smm} 4760248571Smm 4761219089Spjdint 4762219089Spjdzfs_hold(zfs_handle_t *zhp, const char *snapname, const char *tag, 4763251646Sdelphij boolean_t recursive, int cleanup_fd) 4764219089Spjd{ 4765248571Smm int ret; 4766248571Smm struct holdarg ha; 4767219089Spjd 4768248571Smm ha.nvl = fnvlist_alloc(); 4769248571Smm ha.snapname = snapname; 4770248571Smm ha.tag = tag; 4771248571Smm ha.recursive = recursive; 4772248571Smm (void) zfs_hold_one(zfs_handle_dup(zhp), &ha); 4773249357Smm 4774251646Sdelphij if (nvlist_empty(ha.nvl)) { 4775251646Sdelphij char errbuf[1024]; 4776251646Sdelphij 4777249357Smm fnvlist_free(ha.nvl); 4778249357Smm ret = ENOENT; 4779251646Sdelphij (void) snprintf(errbuf, sizeof (errbuf), 4780251646Sdelphij dgettext(TEXT_DOMAIN, 4781251646Sdelphij "cannot hold snapshot '%s@%s'"), 4782251646Sdelphij zhp->zfs_name, snapname); 4783251646Sdelphij (void) zfs_standard_error(zhp->zfs_hdl, ret, errbuf); 4784249357Smm return (ret); 4785249357Smm } 4786249357Smm 4787251646Sdelphij ret = zfs_hold_nvl(zhp, cleanup_fd, ha.nvl); 4788248571Smm fnvlist_free(ha.nvl); 4789219089Spjd 4790251646Sdelphij return (ret); 4791251646Sdelphij} 4792251646Sdelphij 4793251646Sdelphijint 4794251646Sdelphijzfs_hold_nvl(zfs_handle_t *zhp, int cleanup_fd, nvlist_t *holds) 4795251646Sdelphij{ 4796251646Sdelphij int ret; 4797251646Sdelphij nvlist_t *errors; 4798251646Sdelphij libzfs_handle_t *hdl = zhp->zfs_hdl; 4799251646Sdelphij char errbuf[1024]; 4800251646Sdelphij nvpair_t *elem; 4801251646Sdelphij 4802251646Sdelphij errors = NULL; 4803251646Sdelphij ret = lzc_hold(holds, cleanup_fd, &errors); 4804251646Sdelphij 4805251646Sdelphij if (ret == 0) { 4806251646Sdelphij /* There may be errors even in the success case. */ 4807251646Sdelphij fnvlist_free(errors); 4808248571Smm return (0); 4809251646Sdelphij } 4810219089Spjd 4811251646Sdelphij if (nvlist_empty(errors)) { 4812248571Smm /* no hold-specific errors */ 4813248571Smm (void) snprintf(errbuf, sizeof (errbuf), 4814248571Smm dgettext(TEXT_DOMAIN, "cannot hold")); 4815248571Smm switch (ret) { 4816248571Smm case ENOTSUP: 4817248571Smm zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4818248571Smm "pool must be upgraded")); 4819248571Smm (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); 4820248571Smm break; 4821248571Smm case EINVAL: 4822248571Smm (void) zfs_error(hdl, EZFS_BADTYPE, errbuf); 4823248571Smm break; 4824248571Smm default: 4825248571Smm (void) zfs_standard_error(hdl, ret, errbuf); 4826248571Smm } 4827248571Smm } 4828219089Spjd 4829248571Smm for (elem = nvlist_next_nvpair(errors, NULL); 4830248571Smm elem != NULL; 4831248571Smm elem = nvlist_next_nvpair(errors, elem)) { 4832248571Smm (void) snprintf(errbuf, sizeof (errbuf), 4833248571Smm dgettext(TEXT_DOMAIN, 4834248571Smm "cannot hold snapshot '%s'"), nvpair_name(elem)); 4835248571Smm switch (fnvpair_value_int32(elem)) { 4836219089Spjd case E2BIG: 4837219089Spjd /* 4838219089Spjd * Temporary tags wind up having the ds object id 4839219089Spjd * prepended. So even if we passed the length check 4840219089Spjd * above, it's still possible for the tag to wind 4841219089Spjd * up being slightly too long. 4842219089Spjd */ 4843248571Smm (void) zfs_error(hdl, EZFS_TAGTOOLONG, errbuf); 4844248571Smm break; 4845219089Spjd case EINVAL: 4846248571Smm (void) zfs_error(hdl, EZFS_BADTYPE, errbuf); 4847248571Smm break; 4848219089Spjd case EEXIST: 4849248571Smm (void) zfs_error(hdl, EZFS_REFTAG_HOLD, errbuf); 4850248571Smm break; 4851219089Spjd default: 4852248571Smm (void) zfs_standard_error(hdl, 4853248571Smm fnvpair_value_int32(elem), errbuf); 4854219089Spjd } 4855219089Spjd } 4856219089Spjd 4857248571Smm fnvlist_free(errors); 4858248571Smm return (ret); 4859219089Spjd} 4860219089Spjd 4861248571Smmstatic int 4862248571Smmzfs_release_one(zfs_handle_t *zhp, void *arg) 4863248571Smm{ 4864248571Smm struct holdarg *ha = arg; 4865307108Smav char name[ZFS_MAX_DATASET_NAME_LEN]; 4866248571Smm int rv = 0; 4867252219Sdelphij nvlist_t *existing_holds; 4868248571Smm 4869248571Smm (void) snprintf(name, sizeof (name), 4870248571Smm "%s@%s", zhp->zfs_name, ha->snapname); 4871248571Smm 4872252219Sdelphij if (lzc_get_holds(name, &existing_holds) != 0) { 4873252219Sdelphij ha->error = ENOENT; 4874252219Sdelphij } else if (!nvlist_exists(existing_holds, ha->tag)) { 4875252219Sdelphij ha->error = ESRCH; 4876252219Sdelphij } else { 4877252219Sdelphij nvlist_t *torelease = fnvlist_alloc(); 4878252219Sdelphij fnvlist_add_boolean(torelease, ha->tag); 4879252219Sdelphij fnvlist_add_nvlist(ha->nvl, name, torelease); 4880252219Sdelphij fnvlist_free(torelease); 4881248571Smm } 4882248571Smm 4883248571Smm if (ha->recursive) 4884248571Smm rv = zfs_iter_filesystems(zhp, zfs_release_one, ha); 4885248571Smm zfs_close(zhp); 4886248571Smm return (rv); 4887248571Smm} 4888248571Smm 4889219089Spjdint 4890219089Spjdzfs_release(zfs_handle_t *zhp, const char *snapname, const char *tag, 4891219089Spjd boolean_t recursive) 4892219089Spjd{ 4893248571Smm int ret; 4894248571Smm struct holdarg ha; 4895251646Sdelphij nvlist_t *errors = NULL; 4896248571Smm nvpair_t *elem; 4897219089Spjd libzfs_handle_t *hdl = zhp->zfs_hdl; 4898249357Smm char errbuf[1024]; 4899219089Spjd 4900248571Smm ha.nvl = fnvlist_alloc(); 4901248571Smm ha.snapname = snapname; 4902248571Smm ha.tag = tag; 4903248571Smm ha.recursive = recursive; 4904252219Sdelphij ha.error = 0; 4905248571Smm (void) zfs_release_one(zfs_handle_dup(zhp), &ha); 4906249357Smm 4907251646Sdelphij if (nvlist_empty(ha.nvl)) { 4908249357Smm fnvlist_free(ha.nvl); 4909252219Sdelphij ret = ha.error; 4910249357Smm (void) snprintf(errbuf, sizeof (errbuf), 4911249357Smm dgettext(TEXT_DOMAIN, 4912249357Smm "cannot release hold from snapshot '%s@%s'"), 4913249357Smm zhp->zfs_name, snapname); 4914252219Sdelphij if (ret == ESRCH) { 4915252219Sdelphij (void) zfs_error(hdl, EZFS_REFTAG_RELE, errbuf); 4916252219Sdelphij } else { 4917252219Sdelphij (void) zfs_standard_error(hdl, ret, errbuf); 4918252219Sdelphij } 4919249357Smm return (ret); 4920249357Smm } 4921249357Smm 4922248571Smm ret = lzc_release(ha.nvl, &errors); 4923248571Smm fnvlist_free(ha.nvl); 4924219089Spjd 4925251646Sdelphij if (ret == 0) { 4926251646Sdelphij /* There may be errors even in the success case. */ 4927251646Sdelphij fnvlist_free(errors); 4928248571Smm return (0); 4929251646Sdelphij } 4930219089Spjd 4931251646Sdelphij if (nvlist_empty(errors)) { 4932248571Smm /* no hold-specific errors */ 4933219089Spjd (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 4934248571Smm "cannot release")); 4935219089Spjd switch (errno) { 4936219089Spjd case ENOTSUP: 4937219089Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4938219089Spjd "pool must be upgraded")); 4939248571Smm (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); 4940248571Smm break; 4941248571Smm default: 4942248571Smm (void) zfs_standard_error_fmt(hdl, errno, errbuf); 4943248571Smm } 4944248571Smm } 4945248571Smm 4946248571Smm for (elem = nvlist_next_nvpair(errors, NULL); 4947248571Smm elem != NULL; 4948248571Smm elem = nvlist_next_nvpair(errors, elem)) { 4949248571Smm (void) snprintf(errbuf, sizeof (errbuf), 4950248571Smm dgettext(TEXT_DOMAIN, 4951248571Smm "cannot release hold from snapshot '%s'"), 4952248571Smm nvpair_name(elem)); 4953248571Smm switch (fnvpair_value_int32(elem)) { 4954248571Smm case ESRCH: 4955248571Smm (void) zfs_error(hdl, EZFS_REFTAG_RELE, errbuf); 4956248571Smm break; 4957219089Spjd case EINVAL: 4958248571Smm (void) zfs_error(hdl, EZFS_BADTYPE, errbuf); 4959248571Smm break; 4960219089Spjd default: 4961248571Smm (void) zfs_standard_error_fmt(hdl, 4962248571Smm fnvpair_value_int32(elem), errbuf); 4963219089Spjd } 4964219089Spjd } 4965219089Spjd 4966248571Smm fnvlist_free(errors); 4967248571Smm return (ret); 4968219089Spjd} 4969219089Spjd 4970219089Spjdint 4971219089Spjdzfs_get_fsacl(zfs_handle_t *zhp, nvlist_t **nvl) 4972219089Spjd{ 4973219089Spjd zfs_cmd_t zc = { 0 }; 4974219089Spjd libzfs_handle_t *hdl = zhp->zfs_hdl; 4975219089Spjd int nvsz = 2048; 4976219089Spjd void *nvbuf; 4977219089Spjd int err = 0; 4978248571Smm char errbuf[1024]; 4979219089Spjd 4980219089Spjd assert(zhp->zfs_type == ZFS_TYPE_VOLUME || 4981219089Spjd zhp->zfs_type == ZFS_TYPE_FILESYSTEM); 4982219089Spjd 4983219089Spjdtryagain: 4984219089Spjd 4985219089Spjd nvbuf = malloc(nvsz); 4986219089Spjd if (nvbuf == NULL) { 4987219089Spjd err = (zfs_error(hdl, EZFS_NOMEM, strerror(errno))); 4988219089Spjd goto out; 4989219089Spjd } 4990219089Spjd 4991219089Spjd zc.zc_nvlist_dst_size = nvsz; 4992219089Spjd zc.zc_nvlist_dst = (uintptr_t)nvbuf; 4993219089Spjd 4994307108Smav (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); 4995219089Spjd 4996230514Smm if (ioctl(hdl->libzfs_fd, ZFS_IOC_GET_FSACL, &zc) != 0) { 4997219089Spjd (void) snprintf(errbuf, sizeof (errbuf), 4998219089Spjd dgettext(TEXT_DOMAIN, "cannot get permissions on '%s'"), 4999219089Spjd zc.zc_name); 5000219089Spjd switch (errno) { 5001219089Spjd case ENOMEM: 5002219089Spjd free(nvbuf); 5003219089Spjd nvsz = zc.zc_nvlist_dst_size; 5004219089Spjd goto tryagain; 5005219089Spjd 5006219089Spjd case ENOTSUP: 5007219089Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5008219089Spjd "pool must be upgraded")); 5009219089Spjd err = zfs_error(hdl, EZFS_BADVERSION, errbuf); 5010219089Spjd break; 5011219089Spjd case EINVAL: 5012219089Spjd err = zfs_error(hdl, EZFS_BADTYPE, errbuf); 5013219089Spjd break; 5014219089Spjd case ENOENT: 5015219089Spjd err = zfs_error(hdl, EZFS_NOENT, errbuf); 5016219089Spjd break; 5017219089Spjd default: 5018219089Spjd err = zfs_standard_error_fmt(hdl, errno, errbuf); 5019219089Spjd break; 5020219089Spjd } 5021219089Spjd } else { 5022219089Spjd /* success */ 5023219089Spjd int rc = nvlist_unpack(nvbuf, zc.zc_nvlist_dst_size, nvl, 0); 5024219089Spjd if (rc) { 5025219089Spjd (void) snprintf(errbuf, sizeof (errbuf), dgettext( 5026219089Spjd TEXT_DOMAIN, "cannot get permissions on '%s'"), 5027219089Spjd zc.zc_name); 5028219089Spjd err = zfs_standard_error_fmt(hdl, rc, errbuf); 5029219089Spjd } 5030219089Spjd } 5031219089Spjd 5032219089Spjd free(nvbuf); 5033219089Spjdout: 5034219089Spjd return (err); 5035219089Spjd} 5036219089Spjd 5037219089Spjdint 5038219089Spjdzfs_set_fsacl(zfs_handle_t *zhp, boolean_t un, nvlist_t *nvl) 5039219089Spjd{ 5040219089Spjd zfs_cmd_t zc = { 0 }; 5041219089Spjd libzfs_handle_t *hdl = zhp->zfs_hdl; 5042219089Spjd char *nvbuf; 5043248571Smm char errbuf[1024]; 5044219089Spjd size_t nvsz; 5045219089Spjd int err; 5046219089Spjd 5047219089Spjd assert(zhp->zfs_type == ZFS_TYPE_VOLUME || 5048219089Spjd zhp->zfs_type == ZFS_TYPE_FILESYSTEM); 5049219089Spjd 5050219089Spjd err = nvlist_size(nvl, &nvsz, NV_ENCODE_NATIVE); 5051219089Spjd assert(err == 0); 5052219089Spjd 5053219089Spjd nvbuf = malloc(nvsz); 5054219089Spjd 5055219089Spjd err = nvlist_pack(nvl, &nvbuf, &nvsz, NV_ENCODE_NATIVE, 0); 5056219089Spjd assert(err == 0); 5057219089Spjd 5058219089Spjd zc.zc_nvlist_src_size = nvsz; 5059219089Spjd zc.zc_nvlist_src = (uintptr_t)nvbuf; 5060219089Spjd zc.zc_perm_action = un; 5061219089Spjd 5062219089Spjd (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); 5063219089Spjd 5064219089Spjd if (zfs_ioctl(hdl, ZFS_IOC_SET_FSACL, &zc) != 0) { 5065219089Spjd (void) snprintf(errbuf, sizeof (errbuf), 5066219089Spjd dgettext(TEXT_DOMAIN, "cannot set permissions on '%s'"), 5067219089Spjd zc.zc_name); 5068219089Spjd switch (errno) { 5069219089Spjd case ENOTSUP: 5070219089Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5071219089Spjd "pool must be upgraded")); 5072219089Spjd err = zfs_error(hdl, EZFS_BADVERSION, errbuf); 5073219089Spjd break; 5074219089Spjd case EINVAL: 5075219089Spjd err = zfs_error(hdl, EZFS_BADTYPE, errbuf); 5076219089Spjd break; 5077219089Spjd case ENOENT: 5078219089Spjd err = zfs_error(hdl, EZFS_NOENT, errbuf); 5079219089Spjd break; 5080219089Spjd default: 5081219089Spjd err = zfs_standard_error_fmt(hdl, errno, errbuf); 5082219089Spjd break; 5083219089Spjd } 5084219089Spjd } 5085219089Spjd 5086219089Spjd free(nvbuf); 5087219089Spjd 5088219089Spjd return (err); 5089219089Spjd} 5090219089Spjd 5091219089Spjdint 5092219089Spjdzfs_get_holds(zfs_handle_t *zhp, nvlist_t **nvl) 5093219089Spjd{ 5094248571Smm int err; 5095248571Smm char errbuf[1024]; 5096219089Spjd 5097248571Smm err = lzc_get_holds(zhp->zfs_name, nvl); 5098219089Spjd 5099248571Smm if (err != 0) { 5100248571Smm libzfs_handle_t *hdl = zhp->zfs_hdl; 5101219089Spjd 5102219089Spjd (void) snprintf(errbuf, sizeof (errbuf), 5103219089Spjd dgettext(TEXT_DOMAIN, "cannot get holds for '%s'"), 5104248571Smm zhp->zfs_name); 5105248571Smm switch (err) { 5106219089Spjd case ENOTSUP: 5107219089Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5108219089Spjd "pool must be upgraded")); 5109219089Spjd err = zfs_error(hdl, EZFS_BADVERSION, errbuf); 5110219089Spjd break; 5111219089Spjd case EINVAL: 5112219089Spjd err = zfs_error(hdl, EZFS_BADTYPE, errbuf); 5113219089Spjd break; 5114219089Spjd case ENOENT: 5115219089Spjd err = zfs_error(hdl, EZFS_NOENT, errbuf); 5116219089Spjd break; 5117219089Spjd default: 5118219089Spjd err = zfs_standard_error_fmt(hdl, errno, errbuf); 5119219089Spjd break; 5120219089Spjd } 5121219089Spjd } 5122219089Spjd 5123219089Spjd return (err); 5124219089Spjd} 5125219089Spjd 5126251629Sdelphij/* 5127251629Sdelphij * Convert the zvol's volume size to an appropriate reservation. 5128251629Sdelphij * Note: If this routine is updated, it is necessary to update the ZFS test 5129251629Sdelphij * suite's shell version in reservation.kshlib. 5130251629Sdelphij */ 5131219089Spjduint64_t 5132219089Spjdzvol_volsize_to_reservation(uint64_t volsize, nvlist_t *props) 5133219089Spjd{ 5134219089Spjd uint64_t numdb; 5135219089Spjd uint64_t nblocks, volblocksize; 5136219089Spjd int ncopies; 5137219089Spjd char *strval; 5138219089Spjd 5139219089Spjd if (nvlist_lookup_string(props, 5140219089Spjd zfs_prop_to_name(ZFS_PROP_COPIES), &strval) == 0) 5141219089Spjd ncopies = atoi(strval); 5142219089Spjd else 5143219089Spjd ncopies = 1; 5144219089Spjd if (nvlist_lookup_uint64(props, 5145219089Spjd zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), 5146219089Spjd &volblocksize) != 0) 5147219089Spjd volblocksize = ZVOL_DEFAULT_BLOCKSIZE; 5148219089Spjd nblocks = volsize/volblocksize; 5149219089Spjd /* start with metadnode L0-L6 */ 5150219089Spjd numdb = 7; 5151219089Spjd /* calculate number of indirects */ 5152219089Spjd while (nblocks > 1) { 5153219089Spjd nblocks += DNODES_PER_LEVEL - 1; 5154219089Spjd nblocks /= DNODES_PER_LEVEL; 5155219089Spjd numdb += nblocks; 5156219089Spjd } 5157219089Spjd numdb *= MIN(SPA_DVAS_PER_BP, ncopies + 1); 5158219089Spjd volsize *= ncopies; 5159219089Spjd /* 5160219089Spjd * this is exactly DN_MAX_INDBLKSHIFT when metadata isn't 5161219089Spjd * compressed, but in practice they compress down to about 5162219089Spjd * 1100 bytes 5163219089Spjd */ 5164219089Spjd numdb *= 1ULL << DN_MAX_INDBLKSHIFT; 5165219089Spjd volsize += numdb; 5166219089Spjd return (volsize); 5167219089Spjd} 5168219089Spjd 5169168404Spjd/* 5170168404Spjd * Attach/detach the given filesystem to/from the given jail. 5171168404Spjd */ 5172168404Spjdint 5173168404Spjdzfs_jail(zfs_handle_t *zhp, int jailid, int attach) 5174168404Spjd{ 5175168404Spjd libzfs_handle_t *hdl = zhp->zfs_hdl; 5176168404Spjd zfs_cmd_t zc = { 0 }; 5177168404Spjd char errbuf[1024]; 5178224525Smm unsigned long cmd; 5179224525Smm int ret; 5180168404Spjd 5181168404Spjd if (attach) { 5182168404Spjd (void) snprintf(errbuf, sizeof (errbuf), 5183168404Spjd dgettext(TEXT_DOMAIN, "cannot jail '%s'"), zhp->zfs_name); 5184168404Spjd } else { 5185168404Spjd (void) snprintf(errbuf, sizeof (errbuf), 5186249547Spjd dgettext(TEXT_DOMAIN, "cannot unjail '%s'"), zhp->zfs_name); 5187168404Spjd } 5188168404Spjd 5189168404Spjd switch (zhp->zfs_type) { 5190168404Spjd case ZFS_TYPE_VOLUME: 5191168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5192168404Spjd "volumes can not be jailed")); 5193168404Spjd return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); 5194168404Spjd case ZFS_TYPE_SNAPSHOT: 5195168404Spjd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5196168404Spjd "snapshots can not be jailed")); 5197168404Spjd return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); 5198168404Spjd } 5199168404Spjd assert(zhp->zfs_type == ZFS_TYPE_FILESYSTEM); 5200168404Spjd 5201168404Spjd (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); 5202168404Spjd zc.zc_objset_type = DMU_OST_ZFS; 5203168404Spjd zc.zc_jailid = jailid; 5204168404Spjd 5205168404Spjd cmd = attach ? ZFS_IOC_JAIL : ZFS_IOC_UNJAIL; 5206168404Spjd if ((ret = ioctl(hdl->libzfs_fd, cmd, &zc)) != 0) 5207168404Spjd zfs_standard_error(hdl, errno, errbuf); 5208168404Spjd 5209168404Spjd return (ret); 5210168404Spjd} 5211