1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5441d80aaSlling * Common Development and Distribution License (the "License"). 6441d80aaSlling * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 223f9d6ad7SLin Ling * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23fa9e4066Sahrens */ 24fa9e4066Sahrens 25fa9e4066Sahrens #include <sys/types.h> 26fa9e4066Sahrens #include <sys/param.h> 27fa9e4066Sahrens #include <sys/errno.h> 28fa9e4066Sahrens #include <sys/uio.h> 29fa9e4066Sahrens #include <sys/buf.h> 30fa9e4066Sahrens #include <sys/modctl.h> 31fa9e4066Sahrens #include <sys/open.h> 32fa9e4066Sahrens #include <sys/file.h> 33fa9e4066Sahrens #include <sys/kmem.h> 34fa9e4066Sahrens #include <sys/conf.h> 35fa9e4066Sahrens #include <sys/cmn_err.h> 36fa9e4066Sahrens #include <sys/stat.h> 37fa9e4066Sahrens #include <sys/zfs_ioctl.h> 384201a95eSRic Aleshire #include <sys/zfs_vfsops.h> 39da6c28aaSamw #include <sys/zfs_znode.h> 40fa9e4066Sahrens #include <sys/zap.h> 41fa9e4066Sahrens #include <sys/spa.h> 42b1b8ab34Slling #include <sys/spa_impl.h> 43fa9e4066Sahrens #include <sys/vdev.h> 444201a95eSRic Aleshire #include <sys/priv_impl.h> 45fa9e4066Sahrens #include <sys/dmu.h> 46fa9e4066Sahrens #include <sys/dsl_dir.h> 47fa9e4066Sahrens #include <sys/dsl_dataset.h> 48fa9e4066Sahrens #include <sys/dsl_prop.h> 49ecd6cf80Smarks #include <sys/dsl_deleg.h> 50ecd6cf80Smarks #include <sys/dmu_objset.h> 51fa9e4066Sahrens #include <sys/ddi.h> 52fa9e4066Sahrens #include <sys/sunddi.h> 53fa9e4066Sahrens #include <sys/sunldi.h> 54fa9e4066Sahrens #include <sys/policy.h> 55fa9e4066Sahrens #include <sys/zone.h> 56fa9e4066Sahrens #include <sys/nvpair.h> 57fa9e4066Sahrens #include <sys/pathname.h> 58fa9e4066Sahrens #include <sys/mount.h> 59fa9e4066Sahrens #include <sys/sdt.h> 60fa9e4066Sahrens #include <sys/fs/zfs.h> 61fa9e4066Sahrens #include <sys/zfs_ctldir.h> 62da6c28aaSamw #include <sys/zfs_dir.h> 63c99e4bdcSChris Kirby #include <sys/zfs_onexit.h> 64a2eea2e1Sahrens #include <sys/zvol.h> 653f9d6ad7SLin Ling #include <sys/dsl_scan.h> 66ecd6cf80Smarks #include <sharefs/share.h> 67f18faf3fSek #include <sys/dmu_objset.h> 68fa9e4066Sahrens 69fa9e4066Sahrens #include "zfs_namecheck.h" 70e9dbad6fSeschrock #include "zfs_prop.h" 71ecd6cf80Smarks #include "zfs_deleg.h" 720a586ceaSMark Shellenbaum #include "zfs_comutil.h" 73fa9e4066Sahrens 74fa9e4066Sahrens extern struct modlfs zfs_modlfs; 75fa9e4066Sahrens 76fa9e4066Sahrens extern void zfs_init(void); 77fa9e4066Sahrens extern void zfs_fini(void); 78fa9e4066Sahrens 79fa9e4066Sahrens ldi_ident_t zfs_li = NULL; 80fa9e4066Sahrens dev_info_t *zfs_dip; 81fa9e4066Sahrens 82fa9e4066Sahrens typedef int zfs_ioc_func_t(zfs_cmd_t *); 83ecd6cf80Smarks typedef int zfs_secpolicy_func_t(zfs_cmd_t *, cred_t *); 84fa9e4066Sahrens 8554d692b7SGeorge Wilson typedef enum { 8654d692b7SGeorge Wilson NO_NAME, 8754d692b7SGeorge Wilson POOL_NAME, 8854d692b7SGeorge Wilson DATASET_NAME 8954d692b7SGeorge Wilson } zfs_ioc_namecheck_t; 9054d692b7SGeorge Wilson 91fa9e4066Sahrens typedef struct zfs_ioc_vec { 92fa9e4066Sahrens zfs_ioc_func_t *zvec_func; 93fa9e4066Sahrens zfs_secpolicy_func_t *zvec_secpolicy; 9454d692b7SGeorge Wilson zfs_ioc_namecheck_t zvec_namecheck; 95ecd6cf80Smarks boolean_t zvec_his_log; 9654d692b7SGeorge Wilson boolean_t zvec_pool_check; 97fa9e4066Sahrens } zfs_ioc_vec_t; 98fa9e4066Sahrens 9914843421SMatthew Ahrens /* This array is indexed by zfs_userquota_prop_t */ 10014843421SMatthew Ahrens static const char *userquota_perms[] = { 10114843421SMatthew Ahrens ZFS_DELEG_PERM_USERUSED, 10214843421SMatthew Ahrens ZFS_DELEG_PERM_USERQUOTA, 10314843421SMatthew Ahrens ZFS_DELEG_PERM_GROUPUSED, 10414843421SMatthew Ahrens ZFS_DELEG_PERM_GROUPQUOTA, 10514843421SMatthew Ahrens }; 10614843421SMatthew Ahrens 10714843421SMatthew Ahrens static int zfs_ioc_userspace_upgrade(zfs_cmd_t *zc); 10892241e0bSTom Erickson static int zfs_check_settable(const char *name, nvpair_t *property, 10992241e0bSTom Erickson cred_t *cr); 11092241e0bSTom Erickson static int zfs_check_clearable(char *dataset, nvlist_t *props, 11192241e0bSTom Erickson nvlist_t **errors); 1120a48a24eStimh static int zfs_fill_zplprops_root(uint64_t, nvlist_t *, nvlist_t *, 1130a48a24eStimh boolean_t *); 11492241e0bSTom Erickson int zfs_set_prop_nvlist(const char *, zprop_source_t, nvlist_t *, nvlist_t **); 1150a48a24eStimh 116fa9e4066Sahrens /* _NOTE(PRINTFLIKE(4)) - this is printf-like, but lint is too whiney */ 117fa9e4066Sahrens void 118fa9e4066Sahrens __dprintf(const char *file, const char *func, int line, const char *fmt, ...) 119fa9e4066Sahrens { 120fa9e4066Sahrens const char *newfile; 1213f9d6ad7SLin Ling char buf[512]; 122fa9e4066Sahrens va_list adx; 123fa9e4066Sahrens 124fa9e4066Sahrens /* 125fa9e4066Sahrens * Get rid of annoying "../common/" prefix to filename. 126fa9e4066Sahrens */ 127fa9e4066Sahrens newfile = strrchr(file, '/'); 128fa9e4066Sahrens if (newfile != NULL) { 129fa9e4066Sahrens newfile = newfile + 1; /* Get rid of leading / */ 130fa9e4066Sahrens } else { 131fa9e4066Sahrens newfile = file; 132fa9e4066Sahrens } 133fa9e4066Sahrens 134fa9e4066Sahrens va_start(adx, fmt); 135fa9e4066Sahrens (void) vsnprintf(buf, sizeof (buf), fmt, adx); 136fa9e4066Sahrens va_end(adx); 137fa9e4066Sahrens 138fa9e4066Sahrens /* 139fa9e4066Sahrens * To get this data, use the zfs-dprintf probe as so: 140fa9e4066Sahrens * dtrace -q -n 'zfs-dprintf \ 141fa9e4066Sahrens * /stringof(arg0) == "dbuf.c"/ \ 142fa9e4066Sahrens * {printf("%s: %s", stringof(arg1), stringof(arg3))}' 143fa9e4066Sahrens * arg0 = file name 144fa9e4066Sahrens * arg1 = function name 145fa9e4066Sahrens * arg2 = line number 146fa9e4066Sahrens * arg3 = message 147fa9e4066Sahrens */ 148fa9e4066Sahrens DTRACE_PROBE4(zfs__dprintf, 149fa9e4066Sahrens char *, newfile, char *, func, int, line, char *, buf); 150fa9e4066Sahrens } 151fa9e4066Sahrens 152ecd6cf80Smarks static void 153228975ccSek history_str_free(char *buf) 154228975ccSek { 155228975ccSek kmem_free(buf, HIS_MAX_RECORD_LEN); 156228975ccSek } 157228975ccSek 158228975ccSek static char * 159228975ccSek history_str_get(zfs_cmd_t *zc) 160ecd6cf80Smarks { 16140feaa91Sahrens char *buf; 162ecd6cf80Smarks 163ecd6cf80Smarks if (zc->zc_history == NULL) 164228975ccSek return (NULL); 165e7437265Sahrens 166ecd6cf80Smarks buf = kmem_alloc(HIS_MAX_RECORD_LEN, KM_SLEEP); 167ecd6cf80Smarks if (copyinstr((void *)(uintptr_t)zc->zc_history, 168ecd6cf80Smarks buf, HIS_MAX_RECORD_LEN, NULL) != 0) { 169228975ccSek history_str_free(buf); 170228975ccSek return (NULL); 171ecd6cf80Smarks } 172ecd6cf80Smarks 173ecd6cf80Smarks buf[HIS_MAX_RECORD_LEN -1] = '\0'; 174ecd6cf80Smarks 175228975ccSek return (buf); 176228975ccSek } 177ecd6cf80Smarks 17815e6edf1Sgw /* 17915e6edf1Sgw * Check to see if the named dataset is currently defined as bootable 18015e6edf1Sgw */ 18115e6edf1Sgw static boolean_t 18215e6edf1Sgw zfs_is_bootfs(const char *name) 18315e6edf1Sgw { 184503ad85cSMatthew Ahrens objset_t *os; 18515e6edf1Sgw 186503ad85cSMatthew Ahrens if (dmu_objset_hold(name, FTAG, &os) == 0) { 187503ad85cSMatthew Ahrens boolean_t ret; 188b24ab676SJeff Bonwick ret = (dmu_objset_id(os) == spa_bootfs(dmu_objset_spa(os))); 189503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 190503ad85cSMatthew Ahrens return (ret); 19115e6edf1Sgw } 192503ad85cSMatthew Ahrens return (B_FALSE); 19315e6edf1Sgw } 19415e6edf1Sgw 195c2a93d44Stimh /* 1960a48a24eStimh * zfs_earlier_version 197c2a93d44Stimh * 198c2a93d44Stimh * Return non-zero if the spa version is less than requested version. 199c2a93d44Stimh */ 200da6c28aaSamw static int 2010a48a24eStimh zfs_earlier_version(const char *name, int version) 202da6c28aaSamw { 203da6c28aaSamw spa_t *spa; 204da6c28aaSamw 205da6c28aaSamw if (spa_open(name, &spa, FTAG) == 0) { 206da6c28aaSamw if (spa_version(spa) < version) { 207da6c28aaSamw spa_close(spa, FTAG); 208da6c28aaSamw return (1); 209da6c28aaSamw } 210da6c28aaSamw spa_close(spa, FTAG); 211da6c28aaSamw } 212da6c28aaSamw return (0); 213da6c28aaSamw } 214da6c28aaSamw 2159e6eda55Smarks /* 216745cd3c5Smaybee * zpl_earlier_version 2179e6eda55Smarks * 218745cd3c5Smaybee * Return TRUE if the ZPL version is less than requested version. 2199e6eda55Smarks */ 220745cd3c5Smaybee static boolean_t 221745cd3c5Smaybee zpl_earlier_version(const char *name, int version) 2229e6eda55Smarks { 2239e6eda55Smarks objset_t *os; 224745cd3c5Smaybee boolean_t rc = B_TRUE; 2259e6eda55Smarks 226503ad85cSMatthew Ahrens if (dmu_objset_hold(name, FTAG, &os) == 0) { 227745cd3c5Smaybee uint64_t zplversion; 2289e6eda55Smarks 229503ad85cSMatthew Ahrens if (dmu_objset_type(os) != DMU_OST_ZFS) { 230503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 231503ad85cSMatthew Ahrens return (B_TRUE); 232503ad85cSMatthew Ahrens } 233503ad85cSMatthew Ahrens /* XXX reading from non-owned objset */ 234745cd3c5Smaybee if (zfs_get_zplprop(os, ZFS_PROP_VERSION, &zplversion) == 0) 235745cd3c5Smaybee rc = zplversion < version; 236503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 2379e6eda55Smarks } 2389e6eda55Smarks return (rc); 2399e6eda55Smarks } 2409e6eda55Smarks 241228975ccSek static void 242228975ccSek zfs_log_history(zfs_cmd_t *zc) 243228975ccSek { 244228975ccSek spa_t *spa; 245228975ccSek char *buf; 246ecd6cf80Smarks 247228975ccSek if ((buf = history_str_get(zc)) == NULL) 248228975ccSek return; 249228975ccSek 250228975ccSek if (spa_open(zc->zc_name, &spa, FTAG) == 0) { 251228975ccSek if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY) 252228975ccSek (void) spa_history_log(spa, buf, LOG_CMD_NORMAL); 253228975ccSek spa_close(spa, FTAG); 254228975ccSek } 255228975ccSek history_str_free(buf); 256ecd6cf80Smarks } 257ecd6cf80Smarks 258fa9e4066Sahrens /* 259fa9e4066Sahrens * Policy for top-level read operations (list pools). Requires no privileges, 260fa9e4066Sahrens * and can be used in the local zone, as there is no associated dataset. 261fa9e4066Sahrens */ 262fa9e4066Sahrens /* ARGSUSED */ 263fa9e4066Sahrens static int 264ecd6cf80Smarks zfs_secpolicy_none(zfs_cmd_t *zc, cred_t *cr) 265fa9e4066Sahrens { 266fa9e4066Sahrens return (0); 267fa9e4066Sahrens } 268fa9e4066Sahrens 269fa9e4066Sahrens /* 270fa9e4066Sahrens * Policy for dataset read operations (list children, get statistics). Requires 271fa9e4066Sahrens * no privileges, but must be visible in the local zone. 272fa9e4066Sahrens */ 273fa9e4066Sahrens /* ARGSUSED */ 274fa9e4066Sahrens static int 275ecd6cf80Smarks zfs_secpolicy_read(zfs_cmd_t *zc, cred_t *cr) 276fa9e4066Sahrens { 277fa9e4066Sahrens if (INGLOBALZONE(curproc) || 278ecd6cf80Smarks zone_dataset_visible(zc->zc_name, NULL)) 279fa9e4066Sahrens return (0); 280fa9e4066Sahrens 281fa9e4066Sahrens return (ENOENT); 282fa9e4066Sahrens } 283fa9e4066Sahrens 284fa9e4066Sahrens static int 285*a7f53a56SChris Kirby zfs_dozonecheck_impl(const char *dataset, uint64_t zoned, cred_t *cr) 286fa9e4066Sahrens { 287fa9e4066Sahrens int writable = 1; 288fa9e4066Sahrens 289fa9e4066Sahrens /* 290fa9e4066Sahrens * The dataset must be visible by this zone -- check this first 291fa9e4066Sahrens * so they don't see EPERM on something they shouldn't know about. 292fa9e4066Sahrens */ 293fa9e4066Sahrens if (!INGLOBALZONE(curproc) && 294fa9e4066Sahrens !zone_dataset_visible(dataset, &writable)) 295fa9e4066Sahrens return (ENOENT); 296fa9e4066Sahrens 297fa9e4066Sahrens if (INGLOBALZONE(curproc)) { 298fa9e4066Sahrens /* 299fa9e4066Sahrens * If the fs is zoned, only root can access it from the 300fa9e4066Sahrens * global zone. 301fa9e4066Sahrens */ 302fa9e4066Sahrens if (secpolicy_zfs(cr) && zoned) 303fa9e4066Sahrens return (EPERM); 304fa9e4066Sahrens } else { 305fa9e4066Sahrens /* 306fa9e4066Sahrens * If we are in a local zone, the 'zoned' property must be set. 307fa9e4066Sahrens */ 308fa9e4066Sahrens if (!zoned) 309fa9e4066Sahrens return (EPERM); 310fa9e4066Sahrens 311fa9e4066Sahrens /* must be writable by this zone */ 312fa9e4066Sahrens if (!writable) 313fa9e4066Sahrens return (EPERM); 314fa9e4066Sahrens } 315fa9e4066Sahrens return (0); 316fa9e4066Sahrens } 317fa9e4066Sahrens 318*a7f53a56SChris Kirby static int 319*a7f53a56SChris Kirby zfs_dozonecheck(const char *dataset, cred_t *cr) 320*a7f53a56SChris Kirby { 321*a7f53a56SChris Kirby uint64_t zoned; 322*a7f53a56SChris Kirby 323*a7f53a56SChris Kirby if (dsl_prop_get_integer(dataset, "zoned", &zoned, NULL)) 324*a7f53a56SChris Kirby return (ENOENT); 325*a7f53a56SChris Kirby 326*a7f53a56SChris Kirby return (zfs_dozonecheck_impl(dataset, zoned, cr)); 327*a7f53a56SChris Kirby } 328*a7f53a56SChris Kirby 329*a7f53a56SChris Kirby static int 330*a7f53a56SChris Kirby zfs_dozonecheck_ds(const char *dataset, dsl_dataset_t *ds, cred_t *cr) 331*a7f53a56SChris Kirby { 332*a7f53a56SChris Kirby uint64_t zoned; 333*a7f53a56SChris Kirby 334*a7f53a56SChris Kirby rw_enter(&ds->ds_dir->dd_pool->dp_config_rwlock, RW_READER); 335*a7f53a56SChris Kirby if (dsl_prop_get_ds(ds, "zoned", 8, 1, &zoned, NULL)) { 336*a7f53a56SChris Kirby rw_exit(&ds->ds_dir->dd_pool->dp_config_rwlock); 337*a7f53a56SChris Kirby return (ENOENT); 338*a7f53a56SChris Kirby } 339*a7f53a56SChris Kirby rw_exit(&ds->ds_dir->dd_pool->dp_config_rwlock); 340*a7f53a56SChris Kirby 341*a7f53a56SChris Kirby return (zfs_dozonecheck_impl(dataset, zoned, cr)); 342*a7f53a56SChris Kirby } 343*a7f53a56SChris Kirby 344fa9e4066Sahrens int 345ecd6cf80Smarks zfs_secpolicy_write_perms(const char *name, const char *perm, cred_t *cr) 346fa9e4066Sahrens { 347fa9e4066Sahrens int error; 348fa9e4066Sahrens 349ecd6cf80Smarks error = zfs_dozonecheck(name, cr); 350ecd6cf80Smarks if (error == 0) { 351ecd6cf80Smarks error = secpolicy_zfs(cr); 352db870a07Sahrens if (error) 353ecd6cf80Smarks error = dsl_deleg_access(name, perm, cr); 354ecd6cf80Smarks } 355ecd6cf80Smarks return (error); 356ecd6cf80Smarks } 357ecd6cf80Smarks 358*a7f53a56SChris Kirby int 359*a7f53a56SChris Kirby zfs_secpolicy_write_perms_ds(const char *name, dsl_dataset_t *ds, 360*a7f53a56SChris Kirby const char *perm, cred_t *cr) 361*a7f53a56SChris Kirby { 362*a7f53a56SChris Kirby int error; 363*a7f53a56SChris Kirby 364*a7f53a56SChris Kirby error = zfs_dozonecheck_ds(name, ds, cr); 365*a7f53a56SChris Kirby if (error == 0) { 366*a7f53a56SChris Kirby error = secpolicy_zfs(cr); 367*a7f53a56SChris Kirby if (error) 368*a7f53a56SChris Kirby error = dsl_deleg_access_impl(ds, perm, cr); 369*a7f53a56SChris Kirby } 370*a7f53a56SChris Kirby return (error); 371*a7f53a56SChris Kirby } 372*a7f53a56SChris Kirby 3734201a95eSRic Aleshire /* 3744201a95eSRic Aleshire * Policy for setting the security label property. 3754201a95eSRic Aleshire * 3764201a95eSRic Aleshire * Returns 0 for success, non-zero for access and other errors. 3774201a95eSRic Aleshire */ 3784201a95eSRic Aleshire static int 37992241e0bSTom Erickson zfs_set_slabel_policy(const char *name, char *strval, cred_t *cr) 3804201a95eSRic Aleshire { 3814201a95eSRic Aleshire char ds_hexsl[MAXNAMELEN]; 3824201a95eSRic Aleshire bslabel_t ds_sl, new_sl; 3834201a95eSRic Aleshire boolean_t new_default = FALSE; 3844201a95eSRic Aleshire uint64_t zoned; 3854201a95eSRic Aleshire int needed_priv = -1; 3864201a95eSRic Aleshire int error; 3874201a95eSRic Aleshire 3884201a95eSRic Aleshire /* First get the existing dataset label. */ 3894201a95eSRic Aleshire error = dsl_prop_get(name, zfs_prop_to_name(ZFS_PROP_MLSLABEL), 3904201a95eSRic Aleshire 1, sizeof (ds_hexsl), &ds_hexsl, NULL); 3914201a95eSRic Aleshire if (error) 3924201a95eSRic Aleshire return (EPERM); 3934201a95eSRic Aleshire 3944201a95eSRic Aleshire if (strcasecmp(strval, ZFS_MLSLABEL_DEFAULT) == 0) 3954201a95eSRic Aleshire new_default = TRUE; 3964201a95eSRic Aleshire 3974201a95eSRic Aleshire /* The label must be translatable */ 3984201a95eSRic Aleshire if (!new_default && (hexstr_to_label(strval, &new_sl) != 0)) 3994201a95eSRic Aleshire return (EINVAL); 4004201a95eSRic Aleshire 4014201a95eSRic Aleshire /* 4024201a95eSRic Aleshire * In a non-global zone, disallow attempts to set a label that 4034201a95eSRic Aleshire * doesn't match that of the zone; otherwise no other checks 4044201a95eSRic Aleshire * are needed. 4054201a95eSRic Aleshire */ 4064201a95eSRic Aleshire if (!INGLOBALZONE(curproc)) { 4074201a95eSRic Aleshire if (new_default || !blequal(&new_sl, CR_SL(CRED()))) 4084201a95eSRic Aleshire return (EPERM); 4094201a95eSRic Aleshire return (0); 4104201a95eSRic Aleshire } 4114201a95eSRic Aleshire 4124201a95eSRic Aleshire /* 4134201a95eSRic Aleshire * For global-zone datasets (i.e., those whose zoned property is 4144201a95eSRic Aleshire * "off", verify that the specified new label is valid for the 4154201a95eSRic Aleshire * global zone. 4164201a95eSRic Aleshire */ 4174201a95eSRic Aleshire if (dsl_prop_get_integer(name, 4184201a95eSRic Aleshire zfs_prop_to_name(ZFS_PROP_ZONED), &zoned, NULL)) 4194201a95eSRic Aleshire return (EPERM); 4204201a95eSRic Aleshire if (!zoned) { 4214201a95eSRic Aleshire if (zfs_check_global_label(name, strval) != 0) 4224201a95eSRic Aleshire return (EPERM); 4234201a95eSRic Aleshire } 4244201a95eSRic Aleshire 4254201a95eSRic Aleshire /* 4264201a95eSRic Aleshire * If the existing dataset label is nondefault, check if the 4274201a95eSRic Aleshire * dataset is mounted (label cannot be changed while mounted). 4284201a95eSRic Aleshire * Get the zfsvfs; if there isn't one, then the dataset isn't 4294201a95eSRic Aleshire * mounted (or isn't a dataset, doesn't exist, ...). 4304201a95eSRic Aleshire */ 4314201a95eSRic Aleshire if (strcasecmp(ds_hexsl, ZFS_MLSLABEL_DEFAULT) != 0) { 43292241e0bSTom Erickson objset_t *os; 43392241e0bSTom Erickson static char *setsl_tag = "setsl_tag"; 43492241e0bSTom Erickson 4354201a95eSRic Aleshire /* 4364201a95eSRic Aleshire * Try to own the dataset; abort if there is any error, 4374201a95eSRic Aleshire * (e.g., already mounted, in use, or other error). 4384201a95eSRic Aleshire */ 4394201a95eSRic Aleshire error = dmu_objset_own(name, DMU_OST_ZFS, B_TRUE, 44092241e0bSTom Erickson setsl_tag, &os); 4414201a95eSRic Aleshire if (error) 4424201a95eSRic Aleshire return (EPERM); 4434201a95eSRic Aleshire 44492241e0bSTom Erickson dmu_objset_disown(os, setsl_tag); 44592241e0bSTom Erickson 4464201a95eSRic Aleshire if (new_default) { 4474201a95eSRic Aleshire needed_priv = PRIV_FILE_DOWNGRADE_SL; 4484201a95eSRic Aleshire goto out_check; 4494201a95eSRic Aleshire } 4504201a95eSRic Aleshire 4514201a95eSRic Aleshire if (hexstr_to_label(strval, &new_sl) != 0) 4524201a95eSRic Aleshire return (EPERM); 4534201a95eSRic Aleshire 4544201a95eSRic Aleshire if (blstrictdom(&ds_sl, &new_sl)) 4554201a95eSRic Aleshire needed_priv = PRIV_FILE_DOWNGRADE_SL; 4564201a95eSRic Aleshire else if (blstrictdom(&new_sl, &ds_sl)) 4574201a95eSRic Aleshire needed_priv = PRIV_FILE_UPGRADE_SL; 4584201a95eSRic Aleshire } else { 4594201a95eSRic Aleshire /* dataset currently has a default label */ 4604201a95eSRic Aleshire if (!new_default) 4614201a95eSRic Aleshire needed_priv = PRIV_FILE_UPGRADE_SL; 4624201a95eSRic Aleshire } 4634201a95eSRic Aleshire 4644201a95eSRic Aleshire out_check: 4654201a95eSRic Aleshire if (needed_priv != -1) 4664201a95eSRic Aleshire return (PRIV_POLICY(cr, needed_priv, B_FALSE, EPERM, NULL)); 4674201a95eSRic Aleshire return (0); 4684201a95eSRic Aleshire } 4694201a95eSRic Aleshire 470ecd6cf80Smarks static int 47192241e0bSTom Erickson zfs_secpolicy_setprop(const char *dsname, zfs_prop_t prop, nvpair_t *propval, 47292241e0bSTom Erickson cred_t *cr) 473ecd6cf80Smarks { 47492241e0bSTom Erickson char *strval; 47592241e0bSTom Erickson 476ecd6cf80Smarks /* 477ecd6cf80Smarks * Check permissions for special properties. 478ecd6cf80Smarks */ 479ecd6cf80Smarks switch (prop) { 480ecd6cf80Smarks case ZFS_PROP_ZONED: 481ecd6cf80Smarks /* 482ecd6cf80Smarks * Disallow setting of 'zoned' from within a local zone. 483ecd6cf80Smarks */ 484ecd6cf80Smarks if (!INGLOBALZONE(curproc)) 485ecd6cf80Smarks return (EPERM); 486ecd6cf80Smarks break; 487ecd6cf80Smarks 488ecd6cf80Smarks case ZFS_PROP_QUOTA: 489ecd6cf80Smarks if (!INGLOBALZONE(curproc)) { 490ecd6cf80Smarks uint64_t zoned; 491ecd6cf80Smarks char setpoint[MAXNAMELEN]; 492ecd6cf80Smarks /* 493ecd6cf80Smarks * Unprivileged users are allowed to modify the 494ecd6cf80Smarks * quota on things *under* (ie. contained by) 495ecd6cf80Smarks * the thing they own. 496ecd6cf80Smarks */ 49792241e0bSTom Erickson if (dsl_prop_get_integer(dsname, "zoned", &zoned, 498ecd6cf80Smarks setpoint)) 499ecd6cf80Smarks return (EPERM); 50092241e0bSTom Erickson if (!zoned || strlen(dsname) <= strlen(setpoint)) 501ecd6cf80Smarks return (EPERM); 502ecd6cf80Smarks } 503db870a07Sahrens break; 5044201a95eSRic Aleshire 5054201a95eSRic Aleshire case ZFS_PROP_MLSLABEL: 5064201a95eSRic Aleshire if (!is_system_labeled()) 5074201a95eSRic Aleshire return (EPERM); 50892241e0bSTom Erickson 50992241e0bSTom Erickson if (nvpair_value_string(propval, &strval) == 0) { 51092241e0bSTom Erickson int err; 51192241e0bSTom Erickson 51292241e0bSTom Erickson err = zfs_set_slabel_policy(dsname, strval, CRED()); 51392241e0bSTom Erickson if (err != 0) 51492241e0bSTom Erickson return (err); 51592241e0bSTom Erickson } 5164201a95eSRic Aleshire break; 517ecd6cf80Smarks } 518ecd6cf80Smarks 51992241e0bSTom Erickson return (zfs_secpolicy_write_perms(dsname, zfs_prop_to_name(prop), cr)); 520ecd6cf80Smarks } 521ecd6cf80Smarks 522ecd6cf80Smarks int 523ecd6cf80Smarks zfs_secpolicy_fsacl(zfs_cmd_t *zc, cred_t *cr) 524ecd6cf80Smarks { 525ecd6cf80Smarks int error; 526ecd6cf80Smarks 527ecd6cf80Smarks error = zfs_dozonecheck(zc->zc_name, cr); 528ecd6cf80Smarks if (error) 529fa9e4066Sahrens return (error); 530fa9e4066Sahrens 531ecd6cf80Smarks /* 532ecd6cf80Smarks * permission to set permissions will be evaluated later in 533ecd6cf80Smarks * dsl_deleg_can_allow() 534ecd6cf80Smarks */ 535ecd6cf80Smarks return (0); 536ecd6cf80Smarks } 537ecd6cf80Smarks 538ecd6cf80Smarks int 539ecd6cf80Smarks zfs_secpolicy_rollback(zfs_cmd_t *zc, cred_t *cr) 540ecd6cf80Smarks { 541681d9761SEric Taylor return (zfs_secpolicy_write_perms(zc->zc_name, 542681d9761SEric Taylor ZFS_DELEG_PERM_ROLLBACK, cr)); 543ecd6cf80Smarks } 544ecd6cf80Smarks 545ecd6cf80Smarks int 546ecd6cf80Smarks zfs_secpolicy_send(zfs_cmd_t *zc, cred_t *cr) 547ecd6cf80Smarks { 548*a7f53a56SChris Kirby spa_t *spa; 549*a7f53a56SChris Kirby dsl_pool_t *dp; 550*a7f53a56SChris Kirby dsl_dataset_t *ds; 551*a7f53a56SChris Kirby char *cp; 552*a7f53a56SChris Kirby int error; 553*a7f53a56SChris Kirby 554*a7f53a56SChris Kirby /* 555*a7f53a56SChris Kirby * Generate the current snapshot name from the given objsetid, then 556*a7f53a56SChris Kirby * use that name for the secpolicy/zone checks. 557*a7f53a56SChris Kirby */ 558*a7f53a56SChris Kirby cp = strchr(zc->zc_name, '@'); 559*a7f53a56SChris Kirby if (cp == NULL) 560*a7f53a56SChris Kirby return (EINVAL); 561*a7f53a56SChris Kirby error = spa_open(zc->zc_name, &spa, FTAG); 562*a7f53a56SChris Kirby if (error) 563*a7f53a56SChris Kirby return (error); 564*a7f53a56SChris Kirby 565*a7f53a56SChris Kirby dp = spa_get_dsl(spa); 566*a7f53a56SChris Kirby rw_enter(&dp->dp_config_rwlock, RW_READER); 567*a7f53a56SChris Kirby error = dsl_dataset_hold_obj(dp, zc->zc_sendobj, FTAG, &ds); 568*a7f53a56SChris Kirby rw_exit(&dp->dp_config_rwlock); 569*a7f53a56SChris Kirby spa_close(spa, FTAG); 570*a7f53a56SChris Kirby if (error) 571*a7f53a56SChris Kirby return (error); 572*a7f53a56SChris Kirby 573*a7f53a56SChris Kirby dsl_dataset_name(ds, zc->zc_name); 574*a7f53a56SChris Kirby 575*a7f53a56SChris Kirby error = zfs_secpolicy_write_perms_ds(zc->zc_name, ds, 576*a7f53a56SChris Kirby ZFS_DELEG_PERM_SEND, cr); 577*a7f53a56SChris Kirby dsl_dataset_rele(ds, FTAG); 578*a7f53a56SChris Kirby 579*a7f53a56SChris Kirby return (error); 580ecd6cf80Smarks } 581ecd6cf80Smarks 582743a77edSAlan Wright static int 583743a77edSAlan Wright zfs_secpolicy_deleg_share(zfs_cmd_t *zc, cred_t *cr) 584743a77edSAlan Wright { 585743a77edSAlan Wright vnode_t *vp; 586743a77edSAlan Wright int error; 587743a77edSAlan Wright 588743a77edSAlan Wright if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, 589743a77edSAlan Wright NO_FOLLOW, NULL, &vp)) != 0) 590743a77edSAlan Wright return (error); 591743a77edSAlan Wright 592743a77edSAlan Wright /* Now make sure mntpnt and dataset are ZFS */ 593743a77edSAlan Wright 594743a77edSAlan Wright if (vp->v_vfsp->vfs_fstype != zfsfstype || 595743a77edSAlan Wright (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), 596743a77edSAlan Wright zc->zc_name) != 0)) { 597743a77edSAlan Wright VN_RELE(vp); 598743a77edSAlan Wright return (EPERM); 599743a77edSAlan Wright } 600743a77edSAlan Wright 601743a77edSAlan Wright VN_RELE(vp); 602743a77edSAlan Wright return (dsl_deleg_access(zc->zc_name, 603743a77edSAlan Wright ZFS_DELEG_PERM_SHARE, cr)); 604743a77edSAlan Wright } 605743a77edSAlan Wright 606ecd6cf80Smarks int 607ecd6cf80Smarks zfs_secpolicy_share(zfs_cmd_t *zc, cred_t *cr) 608ecd6cf80Smarks { 609ecd6cf80Smarks if (!INGLOBALZONE(curproc)) 610ecd6cf80Smarks return (EPERM); 611ecd6cf80Smarks 6123cb34c60Sahrens if (secpolicy_nfs(cr) == 0) { 613ecd6cf80Smarks return (0); 614ecd6cf80Smarks } else { 615743a77edSAlan Wright return (zfs_secpolicy_deleg_share(zc, cr)); 616743a77edSAlan Wright } 617743a77edSAlan Wright } 618ecd6cf80Smarks 619743a77edSAlan Wright int 620743a77edSAlan Wright zfs_secpolicy_smb_acl(zfs_cmd_t *zc, cred_t *cr) 621743a77edSAlan Wright { 622743a77edSAlan Wright if (!INGLOBALZONE(curproc)) 623743a77edSAlan Wright return (EPERM); 624ecd6cf80Smarks 625743a77edSAlan Wright if (secpolicy_smb(cr) == 0) { 626743a77edSAlan Wright return (0); 627743a77edSAlan Wright } else { 628743a77edSAlan Wright return (zfs_secpolicy_deleg_share(zc, cr)); 629ecd6cf80Smarks } 630fa9e4066Sahrens } 631fa9e4066Sahrens 632fa9e4066Sahrens static int 633ecd6cf80Smarks zfs_get_parent(const char *datasetname, char *parent, int parentsize) 634fa9e4066Sahrens { 635fa9e4066Sahrens char *cp; 636fa9e4066Sahrens 637fa9e4066Sahrens /* 638fa9e4066Sahrens * Remove the @bla or /bla from the end of the name to get the parent. 639fa9e4066Sahrens */ 640ecd6cf80Smarks (void) strncpy(parent, datasetname, parentsize); 641ecd6cf80Smarks cp = strrchr(parent, '@'); 642fa9e4066Sahrens if (cp != NULL) { 643fa9e4066Sahrens cp[0] = '\0'; 644fa9e4066Sahrens } else { 645ecd6cf80Smarks cp = strrchr(parent, '/'); 646fa9e4066Sahrens if (cp == NULL) 647fa9e4066Sahrens return (ENOENT); 648fa9e4066Sahrens cp[0] = '\0'; 649ecd6cf80Smarks } 650ecd6cf80Smarks 651ecd6cf80Smarks return (0); 652ecd6cf80Smarks } 653ecd6cf80Smarks 654ecd6cf80Smarks int 655ecd6cf80Smarks zfs_secpolicy_destroy_perms(const char *name, cred_t *cr) 656ecd6cf80Smarks { 657ecd6cf80Smarks int error; 658ecd6cf80Smarks 659ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(name, 660ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 661ecd6cf80Smarks return (error); 662ecd6cf80Smarks 663ecd6cf80Smarks return (zfs_secpolicy_write_perms(name, ZFS_DELEG_PERM_DESTROY, cr)); 664ecd6cf80Smarks } 665ecd6cf80Smarks 666ecd6cf80Smarks static int 667ecd6cf80Smarks zfs_secpolicy_destroy(zfs_cmd_t *zc, cred_t *cr) 668ecd6cf80Smarks { 669ecd6cf80Smarks return (zfs_secpolicy_destroy_perms(zc->zc_name, cr)); 670ecd6cf80Smarks } 671ecd6cf80Smarks 672cbf6f6aaSWilliam Gorrell /* 673cbf6f6aaSWilliam Gorrell * Destroying snapshots with delegated permissions requires 674cbf6f6aaSWilliam Gorrell * descendent mount and destroy permissions. 675cbf6f6aaSWilliam Gorrell * Reassemble the full filesystem@snap name so dsl_deleg_access() 676cbf6f6aaSWilliam Gorrell * can do the correct permission check. 677cbf6f6aaSWilliam Gorrell * 678cbf6f6aaSWilliam Gorrell * Since this routine is used when doing a recursive destroy of snapshots 679cbf6f6aaSWilliam Gorrell * and destroying snapshots requires descendent permissions, a successfull 680cbf6f6aaSWilliam Gorrell * check of the top level snapshot applies to snapshots of all descendent 681cbf6f6aaSWilliam Gorrell * datasets as well. 682cbf6f6aaSWilliam Gorrell */ 683cbf6f6aaSWilliam Gorrell static int 684cbf6f6aaSWilliam Gorrell zfs_secpolicy_destroy_snaps(zfs_cmd_t *zc, cred_t *cr) 685cbf6f6aaSWilliam Gorrell { 686cbf6f6aaSWilliam Gorrell int error; 687cbf6f6aaSWilliam Gorrell char *dsname; 688cbf6f6aaSWilliam Gorrell 689cbf6f6aaSWilliam Gorrell dsname = kmem_asprintf("%s@%s", zc->zc_name, zc->zc_value); 690cbf6f6aaSWilliam Gorrell 691cbf6f6aaSWilliam Gorrell error = zfs_secpolicy_destroy_perms(dsname, cr); 692cbf6f6aaSWilliam Gorrell 693cbf6f6aaSWilliam Gorrell strfree(dsname); 694cbf6f6aaSWilliam Gorrell return (error); 695cbf6f6aaSWilliam Gorrell } 696cbf6f6aaSWilliam Gorrell 697ecd6cf80Smarks int 698ecd6cf80Smarks zfs_secpolicy_rename_perms(const char *from, const char *to, cred_t *cr) 699ecd6cf80Smarks { 70092241e0bSTom Erickson char parentname[MAXNAMELEN]; 701ecd6cf80Smarks int error; 702ecd6cf80Smarks 703ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(from, 704ecd6cf80Smarks ZFS_DELEG_PERM_RENAME, cr)) != 0) 705ecd6cf80Smarks return (error); 706ecd6cf80Smarks 707ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(from, 708ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 709ecd6cf80Smarks return (error); 710ecd6cf80Smarks 711ecd6cf80Smarks if ((error = zfs_get_parent(to, parentname, 712ecd6cf80Smarks sizeof (parentname))) != 0) 713ecd6cf80Smarks return (error); 714ecd6cf80Smarks 715ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(parentname, 716ecd6cf80Smarks ZFS_DELEG_PERM_CREATE, cr)) != 0) 717ecd6cf80Smarks return (error); 718ecd6cf80Smarks 719ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(parentname, 720ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 721ecd6cf80Smarks return (error); 722ecd6cf80Smarks 723ecd6cf80Smarks return (error); 724ecd6cf80Smarks } 725ecd6cf80Smarks 726ecd6cf80Smarks static int 727ecd6cf80Smarks zfs_secpolicy_rename(zfs_cmd_t *zc, cred_t *cr) 728ecd6cf80Smarks { 729ecd6cf80Smarks return (zfs_secpolicy_rename_perms(zc->zc_name, zc->zc_value, cr)); 730ecd6cf80Smarks } 731ecd6cf80Smarks 732ecd6cf80Smarks static int 733ecd6cf80Smarks zfs_secpolicy_promote(zfs_cmd_t *zc, cred_t *cr) 734ecd6cf80Smarks { 73592241e0bSTom Erickson char parentname[MAXNAMELEN]; 736ecd6cf80Smarks objset_t *clone; 737ecd6cf80Smarks int error; 738ecd6cf80Smarks 739ecd6cf80Smarks error = zfs_secpolicy_write_perms(zc->zc_name, 740ecd6cf80Smarks ZFS_DELEG_PERM_PROMOTE, cr); 741ecd6cf80Smarks if (error) 742ecd6cf80Smarks return (error); 743ecd6cf80Smarks 744503ad85cSMatthew Ahrens error = dmu_objset_hold(zc->zc_name, FTAG, &clone); 745ecd6cf80Smarks 746ecd6cf80Smarks if (error == 0) { 747ecd6cf80Smarks dsl_dataset_t *pclone = NULL; 748ecd6cf80Smarks dsl_dir_t *dd; 749503ad85cSMatthew Ahrens dd = clone->os_dsl_dataset->ds_dir; 750ecd6cf80Smarks 751ecd6cf80Smarks rw_enter(&dd->dd_pool->dp_config_rwlock, RW_READER); 752745cd3c5Smaybee error = dsl_dataset_hold_obj(dd->dd_pool, 753745cd3c5Smaybee dd->dd_phys->dd_origin_obj, FTAG, &pclone); 754ecd6cf80Smarks rw_exit(&dd->dd_pool->dp_config_rwlock); 755ecd6cf80Smarks if (error) { 756503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 757ecd6cf80Smarks return (error); 758ecd6cf80Smarks } 759ecd6cf80Smarks 760ecd6cf80Smarks error = zfs_secpolicy_write_perms(zc->zc_name, 761ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr); 762ecd6cf80Smarks 763ecd6cf80Smarks dsl_dataset_name(pclone, parentname); 764503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 765745cd3c5Smaybee dsl_dataset_rele(pclone, FTAG); 766ecd6cf80Smarks if (error == 0) 767ecd6cf80Smarks error = zfs_secpolicy_write_perms(parentname, 768ecd6cf80Smarks ZFS_DELEG_PERM_PROMOTE, cr); 769ecd6cf80Smarks } 770ecd6cf80Smarks return (error); 771ecd6cf80Smarks } 772ecd6cf80Smarks 773ecd6cf80Smarks static int 774ecd6cf80Smarks zfs_secpolicy_receive(zfs_cmd_t *zc, cred_t *cr) 775ecd6cf80Smarks { 776ecd6cf80Smarks int error; 777ecd6cf80Smarks 778ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(zc->zc_name, 779ecd6cf80Smarks ZFS_DELEG_PERM_RECEIVE, cr)) != 0) 780ecd6cf80Smarks return (error); 781ecd6cf80Smarks 782ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(zc->zc_name, 783ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 784ecd6cf80Smarks return (error); 785ecd6cf80Smarks 786ecd6cf80Smarks return (zfs_secpolicy_write_perms(zc->zc_name, 787ecd6cf80Smarks ZFS_DELEG_PERM_CREATE, cr)); 788ecd6cf80Smarks } 789ecd6cf80Smarks 790ecd6cf80Smarks int 791ecd6cf80Smarks zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr) 792ecd6cf80Smarks { 793681d9761SEric Taylor return (zfs_secpolicy_write_perms(name, 794681d9761SEric Taylor ZFS_DELEG_PERM_SNAPSHOT, cr)); 795ecd6cf80Smarks } 796ecd6cf80Smarks 797ecd6cf80Smarks static int 798ecd6cf80Smarks zfs_secpolicy_snapshot(zfs_cmd_t *zc, cred_t *cr) 799ecd6cf80Smarks { 800ecd6cf80Smarks 801ecd6cf80Smarks return (zfs_secpolicy_snapshot_perms(zc->zc_name, cr)); 802ecd6cf80Smarks } 803ecd6cf80Smarks 804ecd6cf80Smarks static int 805ecd6cf80Smarks zfs_secpolicy_create(zfs_cmd_t *zc, cred_t *cr) 806ecd6cf80Smarks { 80792241e0bSTom Erickson char parentname[MAXNAMELEN]; 80892241e0bSTom Erickson int error; 809ecd6cf80Smarks 810ecd6cf80Smarks if ((error = zfs_get_parent(zc->zc_name, parentname, 811ecd6cf80Smarks sizeof (parentname))) != 0) 812ecd6cf80Smarks return (error); 813fa9e4066Sahrens 814ecd6cf80Smarks if (zc->zc_value[0] != '\0') { 815ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(zc->zc_value, 816ecd6cf80Smarks ZFS_DELEG_PERM_CLONE, cr)) != 0) 817ecd6cf80Smarks return (error); 818fa9e4066Sahrens } 819fa9e4066Sahrens 820ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(parentname, 821ecd6cf80Smarks ZFS_DELEG_PERM_CREATE, cr)) != 0) 822ecd6cf80Smarks return (error); 823ecd6cf80Smarks 824ecd6cf80Smarks error = zfs_secpolicy_write_perms(parentname, 825ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr); 826ecd6cf80Smarks 827ecd6cf80Smarks return (error); 828ecd6cf80Smarks } 829ecd6cf80Smarks 830ecd6cf80Smarks static int 831ecd6cf80Smarks zfs_secpolicy_umount(zfs_cmd_t *zc, cred_t *cr) 832ecd6cf80Smarks { 833ecd6cf80Smarks int error; 834ecd6cf80Smarks 835ecd6cf80Smarks error = secpolicy_fs_unmount(cr, NULL); 836ecd6cf80Smarks if (error) { 837ecd6cf80Smarks error = dsl_deleg_access(zc->zc_name, ZFS_DELEG_PERM_MOUNT, cr); 838ecd6cf80Smarks } 839ecd6cf80Smarks return (error); 840fa9e4066Sahrens } 841fa9e4066Sahrens 842fa9e4066Sahrens /* 843fa9e4066Sahrens * Policy for pool operations - create/destroy pools, add vdevs, etc. Requires 844fa9e4066Sahrens * SYS_CONFIG privilege, which is not available in a local zone. 845fa9e4066Sahrens */ 846fa9e4066Sahrens /* ARGSUSED */ 847fa9e4066Sahrens static int 848ecd6cf80Smarks zfs_secpolicy_config(zfs_cmd_t *zc, cred_t *cr) 849fa9e4066Sahrens { 850fa9e4066Sahrens if (secpolicy_sys_config(cr, B_FALSE) != 0) 851fa9e4066Sahrens return (EPERM); 852fa9e4066Sahrens 853fa9e4066Sahrens return (0); 854fa9e4066Sahrens } 855fa9e4066Sahrens 856ea8dc4b6Seschrock /* 857ea8dc4b6Seschrock * Policy for fault injection. Requires all privileges. 858ea8dc4b6Seschrock */ 859ea8dc4b6Seschrock /* ARGSUSED */ 860ea8dc4b6Seschrock static int 861ecd6cf80Smarks zfs_secpolicy_inject(zfs_cmd_t *zc, cred_t *cr) 862ea8dc4b6Seschrock { 863ea8dc4b6Seschrock return (secpolicy_zinject(cr)); 864ea8dc4b6Seschrock } 865ea8dc4b6Seschrock 866e45ce728Sahrens static int 867e45ce728Sahrens zfs_secpolicy_inherit(zfs_cmd_t *zc, cred_t *cr) 868e45ce728Sahrens { 869e45ce728Sahrens zfs_prop_t prop = zfs_name_to_prop(zc->zc_value); 870e45ce728Sahrens 871990b4856Slling if (prop == ZPROP_INVAL) { 872e45ce728Sahrens if (!zfs_prop_user(zc->zc_value)) 873e45ce728Sahrens return (EINVAL); 874e45ce728Sahrens return (zfs_secpolicy_write_perms(zc->zc_name, 875e45ce728Sahrens ZFS_DELEG_PERM_USERPROP, cr)); 876e45ce728Sahrens } else { 87792241e0bSTom Erickson return (zfs_secpolicy_setprop(zc->zc_name, prop, 87892241e0bSTom Erickson NULL, cr)); 879e45ce728Sahrens } 880e45ce728Sahrens } 881e45ce728Sahrens 88214843421SMatthew Ahrens static int 88314843421SMatthew Ahrens zfs_secpolicy_userspace_one(zfs_cmd_t *zc, cred_t *cr) 88414843421SMatthew Ahrens { 88514843421SMatthew Ahrens int err = zfs_secpolicy_read(zc, cr); 88614843421SMatthew Ahrens if (err) 88714843421SMatthew Ahrens return (err); 88814843421SMatthew Ahrens 88914843421SMatthew Ahrens if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) 89014843421SMatthew Ahrens return (EINVAL); 89114843421SMatthew Ahrens 89214843421SMatthew Ahrens if (zc->zc_value[0] == 0) { 89314843421SMatthew Ahrens /* 89414843421SMatthew Ahrens * They are asking about a posix uid/gid. If it's 89514843421SMatthew Ahrens * themself, allow it. 89614843421SMatthew Ahrens */ 89714843421SMatthew Ahrens if (zc->zc_objset_type == ZFS_PROP_USERUSED || 89814843421SMatthew Ahrens zc->zc_objset_type == ZFS_PROP_USERQUOTA) { 89914843421SMatthew Ahrens if (zc->zc_guid == crgetuid(cr)) 90014843421SMatthew Ahrens return (0); 90114843421SMatthew Ahrens } else { 90214843421SMatthew Ahrens if (groupmember(zc->zc_guid, cr)) 90314843421SMatthew Ahrens return (0); 90414843421SMatthew Ahrens } 90514843421SMatthew Ahrens } 90614843421SMatthew Ahrens 90714843421SMatthew Ahrens return (zfs_secpolicy_write_perms(zc->zc_name, 90814843421SMatthew Ahrens userquota_perms[zc->zc_objset_type], cr)); 90914843421SMatthew Ahrens } 91014843421SMatthew Ahrens 91114843421SMatthew Ahrens static int 91214843421SMatthew Ahrens zfs_secpolicy_userspace_many(zfs_cmd_t *zc, cred_t *cr) 91314843421SMatthew Ahrens { 91414843421SMatthew Ahrens int err = zfs_secpolicy_read(zc, cr); 91514843421SMatthew Ahrens if (err) 91614843421SMatthew Ahrens return (err); 91714843421SMatthew Ahrens 91814843421SMatthew Ahrens if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) 91914843421SMatthew Ahrens return (EINVAL); 92014843421SMatthew Ahrens 92114843421SMatthew Ahrens return (zfs_secpolicy_write_perms(zc->zc_name, 92214843421SMatthew Ahrens userquota_perms[zc->zc_objset_type], cr)); 92314843421SMatthew Ahrens } 92414843421SMatthew Ahrens 92514843421SMatthew Ahrens static int 92614843421SMatthew Ahrens zfs_secpolicy_userspace_upgrade(zfs_cmd_t *zc, cred_t *cr) 92714843421SMatthew Ahrens { 92892241e0bSTom Erickson return (zfs_secpolicy_setprop(zc->zc_name, ZFS_PROP_VERSION, 92992241e0bSTom Erickson NULL, cr)); 93014843421SMatthew Ahrens } 93114843421SMatthew Ahrens 932842727c2SChris Kirby static int 933842727c2SChris Kirby zfs_secpolicy_hold(zfs_cmd_t *zc, cred_t *cr) 934842727c2SChris Kirby { 935842727c2SChris Kirby return (zfs_secpolicy_write_perms(zc->zc_name, 936842727c2SChris Kirby ZFS_DELEG_PERM_HOLD, cr)); 937842727c2SChris Kirby } 938842727c2SChris Kirby 939842727c2SChris Kirby static int 940842727c2SChris Kirby zfs_secpolicy_release(zfs_cmd_t *zc, cred_t *cr) 941842727c2SChris Kirby { 942842727c2SChris Kirby return (zfs_secpolicy_write_perms(zc->zc_name, 943842727c2SChris Kirby ZFS_DELEG_PERM_RELEASE, cr)); 944842727c2SChris Kirby } 945842727c2SChris Kirby 946fa9e4066Sahrens /* 947fa9e4066Sahrens * Returns the nvlist as specified by the user in the zfs_cmd_t. 948fa9e4066Sahrens */ 949fa9e4066Sahrens static int 950478ed9adSEric Taylor get_nvlist(uint64_t nvl, uint64_t size, int iflag, nvlist_t **nvp) 951fa9e4066Sahrens { 952fa9e4066Sahrens char *packed; 953fa9e4066Sahrens int error; 954990b4856Slling nvlist_t *list = NULL; 955fa9e4066Sahrens 956fa9e4066Sahrens /* 957e9dbad6fSeschrock * Read in and unpack the user-supplied nvlist. 958fa9e4066Sahrens */ 959990b4856Slling if (size == 0) 960fa9e4066Sahrens return (EINVAL); 961fa9e4066Sahrens 962fa9e4066Sahrens packed = kmem_alloc(size, KM_SLEEP); 963fa9e4066Sahrens 964478ed9adSEric Taylor if ((error = ddi_copyin((void *)(uintptr_t)nvl, packed, size, 965478ed9adSEric Taylor iflag)) != 0) { 966fa9e4066Sahrens kmem_free(packed, size); 967fa9e4066Sahrens return (error); 968fa9e4066Sahrens } 969fa9e4066Sahrens 970990b4856Slling if ((error = nvlist_unpack(packed, size, &list, 0)) != 0) { 971fa9e4066Sahrens kmem_free(packed, size); 972fa9e4066Sahrens return (error); 973fa9e4066Sahrens } 974fa9e4066Sahrens 975fa9e4066Sahrens kmem_free(packed, size); 976fa9e4066Sahrens 977990b4856Slling *nvp = list; 978fa9e4066Sahrens return (0); 979fa9e4066Sahrens } 980fa9e4066Sahrens 98192241e0bSTom Erickson static int 98292241e0bSTom Erickson fit_error_list(zfs_cmd_t *zc, nvlist_t **errors) 98392241e0bSTom Erickson { 98492241e0bSTom Erickson size_t size; 98592241e0bSTom Erickson 98692241e0bSTom Erickson VERIFY(nvlist_size(*errors, &size, NV_ENCODE_NATIVE) == 0); 98792241e0bSTom Erickson 98892241e0bSTom Erickson if (size > zc->zc_nvlist_dst_size) { 98992241e0bSTom Erickson nvpair_t *more_errors; 99092241e0bSTom Erickson int n = 0; 99192241e0bSTom Erickson 99292241e0bSTom Erickson if (zc->zc_nvlist_dst_size < 1024) 99392241e0bSTom Erickson return (ENOMEM); 99492241e0bSTom Erickson 99592241e0bSTom Erickson VERIFY(nvlist_add_int32(*errors, ZPROP_N_MORE_ERRORS, 0) == 0); 99692241e0bSTom Erickson more_errors = nvlist_prev_nvpair(*errors, NULL); 99792241e0bSTom Erickson 99892241e0bSTom Erickson do { 99992241e0bSTom Erickson nvpair_t *pair = nvlist_prev_nvpair(*errors, 100092241e0bSTom Erickson more_errors); 100192241e0bSTom Erickson VERIFY(nvlist_remove_nvpair(*errors, pair) == 0); 100292241e0bSTom Erickson n++; 100392241e0bSTom Erickson VERIFY(nvlist_size(*errors, &size, 100492241e0bSTom Erickson NV_ENCODE_NATIVE) == 0); 100592241e0bSTom Erickson } while (size > zc->zc_nvlist_dst_size); 100692241e0bSTom Erickson 100792241e0bSTom Erickson VERIFY(nvlist_remove_nvpair(*errors, more_errors) == 0); 100892241e0bSTom Erickson VERIFY(nvlist_add_int32(*errors, ZPROP_N_MORE_ERRORS, n) == 0); 100992241e0bSTom Erickson ASSERT(nvlist_size(*errors, &size, NV_ENCODE_NATIVE) == 0); 101092241e0bSTom Erickson ASSERT(size <= zc->zc_nvlist_dst_size); 101192241e0bSTom Erickson } 101292241e0bSTom Erickson 101392241e0bSTom Erickson return (0); 101492241e0bSTom Erickson } 101592241e0bSTom Erickson 1016e9dbad6fSeschrock static int 1017e9dbad6fSeschrock put_nvlist(zfs_cmd_t *zc, nvlist_t *nvl) 1018e9dbad6fSeschrock { 1019e9dbad6fSeschrock char *packed = NULL; 10206e27f868SSam Falkner int error = 0; 1021e9dbad6fSeschrock size_t size; 1022e9dbad6fSeschrock 1023e9dbad6fSeschrock VERIFY(nvlist_size(nvl, &size, NV_ENCODE_NATIVE) == 0); 1024e9dbad6fSeschrock 1025e9dbad6fSeschrock if (size > zc->zc_nvlist_dst_size) { 1026e9dbad6fSeschrock error = ENOMEM; 1027e9dbad6fSeschrock } else { 1028da165920Smarks packed = kmem_alloc(size, KM_SLEEP); 1029e9dbad6fSeschrock VERIFY(nvlist_pack(nvl, &packed, &size, NV_ENCODE_NATIVE, 1030e9dbad6fSeschrock KM_SLEEP) == 0); 10316e27f868SSam Falkner if (ddi_copyout(packed, (void *)(uintptr_t)zc->zc_nvlist_dst, 10326e27f868SSam Falkner size, zc->zc_iflags) != 0) 10336e27f868SSam Falkner error = EFAULT; 1034e9dbad6fSeschrock kmem_free(packed, size); 1035e9dbad6fSeschrock } 1036e9dbad6fSeschrock 1037e9dbad6fSeschrock zc->zc_nvlist_dst_size = size; 1038e9dbad6fSeschrock return (error); 1039e9dbad6fSeschrock } 1040e9dbad6fSeschrock 104114843421SMatthew Ahrens static int 1042af4c679fSSean McEnroe getzfsvfs(const char *dsname, zfsvfs_t **zfvp) 104314843421SMatthew Ahrens { 104414843421SMatthew Ahrens objset_t *os; 104514843421SMatthew Ahrens int error; 104614843421SMatthew Ahrens 1047503ad85cSMatthew Ahrens error = dmu_objset_hold(dsname, FTAG, &os); 104814843421SMatthew Ahrens if (error) 104914843421SMatthew Ahrens return (error); 1050503ad85cSMatthew Ahrens if (dmu_objset_type(os) != DMU_OST_ZFS) { 1051503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1052503ad85cSMatthew Ahrens return (EINVAL); 1053503ad85cSMatthew Ahrens } 105414843421SMatthew Ahrens 1055503ad85cSMatthew Ahrens mutex_enter(&os->os_user_ptr_lock); 1056af4c679fSSean McEnroe *zfvp = dmu_objset_get_user(os); 1057af4c679fSSean McEnroe if (*zfvp) { 1058af4c679fSSean McEnroe VFS_HOLD((*zfvp)->z_vfs); 105914843421SMatthew Ahrens } else { 106014843421SMatthew Ahrens error = ESRCH; 106114843421SMatthew Ahrens } 1062503ad85cSMatthew Ahrens mutex_exit(&os->os_user_ptr_lock); 1063503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 106414843421SMatthew Ahrens return (error); 106514843421SMatthew Ahrens } 106614843421SMatthew Ahrens 106714843421SMatthew Ahrens /* 106814843421SMatthew Ahrens * Find a zfsvfs_t for a mounted filesystem, or create our own, in which 106914843421SMatthew Ahrens * case its z_vfs will be NULL, and it will be opened as the owner. 107014843421SMatthew Ahrens */ 107114843421SMatthew Ahrens static int 10721412a1a2SMark Shellenbaum zfsvfs_hold(const char *name, void *tag, zfsvfs_t **zfvp, boolean_t writer) 107314843421SMatthew Ahrens { 107414843421SMatthew Ahrens int error = 0; 107514843421SMatthew Ahrens 1076af4c679fSSean McEnroe if (getzfsvfs(name, zfvp) != 0) 1077af4c679fSSean McEnroe error = zfsvfs_create(name, zfvp); 107814843421SMatthew Ahrens if (error == 0) { 10791412a1a2SMark Shellenbaum rrw_enter(&(*zfvp)->z_teardown_lock, (writer) ? RW_WRITER : 10801412a1a2SMark Shellenbaum RW_READER, tag); 1081af4c679fSSean McEnroe if ((*zfvp)->z_unmounted) { 108214843421SMatthew Ahrens /* 108314843421SMatthew Ahrens * XXX we could probably try again, since the unmounting 108414843421SMatthew Ahrens * thread should be just about to disassociate the 108514843421SMatthew Ahrens * objset from the zfsvfs. 108614843421SMatthew Ahrens */ 1087af4c679fSSean McEnroe rrw_exit(&(*zfvp)->z_teardown_lock, tag); 108814843421SMatthew Ahrens return (EBUSY); 108914843421SMatthew Ahrens } 109014843421SMatthew Ahrens } 109114843421SMatthew Ahrens return (error); 109214843421SMatthew Ahrens } 109314843421SMatthew Ahrens 109414843421SMatthew Ahrens static void 109514843421SMatthew Ahrens zfsvfs_rele(zfsvfs_t *zfsvfs, void *tag) 109614843421SMatthew Ahrens { 109714843421SMatthew Ahrens rrw_exit(&zfsvfs->z_teardown_lock, tag); 109814843421SMatthew Ahrens 109914843421SMatthew Ahrens if (zfsvfs->z_vfs) { 110014843421SMatthew Ahrens VFS_RELE(zfsvfs->z_vfs); 110114843421SMatthew Ahrens } else { 1102503ad85cSMatthew Ahrens dmu_objset_disown(zfsvfs->z_os, zfsvfs); 110314843421SMatthew Ahrens zfsvfs_free(zfsvfs); 110414843421SMatthew Ahrens } 110514843421SMatthew Ahrens } 110614843421SMatthew Ahrens 1107fa9e4066Sahrens static int 1108fa9e4066Sahrens zfs_ioc_pool_create(zfs_cmd_t *zc) 1109fa9e4066Sahrens { 1110fa9e4066Sahrens int error; 1111990b4856Slling nvlist_t *config, *props = NULL; 11120a48a24eStimh nvlist_t *rootprops = NULL; 11130a48a24eStimh nvlist_t *zplprops = NULL; 1114228975ccSek char *buf; 1115fa9e4066Sahrens 1116990b4856Slling if (error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 1117478ed9adSEric Taylor zc->zc_iflags, &config)) 1118fa9e4066Sahrens return (error); 11192a6b87f0Sek 1120990b4856Slling if (zc->zc_nvlist_src_size != 0 && (error = 1121478ed9adSEric Taylor get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 1122478ed9adSEric Taylor zc->zc_iflags, &props))) { 1123990b4856Slling nvlist_free(config); 1124990b4856Slling return (error); 1125990b4856Slling } 1126990b4856Slling 11270a48a24eStimh if (props) { 11280a48a24eStimh nvlist_t *nvl = NULL; 11290a48a24eStimh uint64_t version = SPA_VERSION; 11300a48a24eStimh 11310a48a24eStimh (void) nvlist_lookup_uint64(props, 11320a48a24eStimh zpool_prop_to_name(ZPOOL_PROP_VERSION), &version); 11330a48a24eStimh if (version < SPA_VERSION_INITIAL || version > SPA_VERSION) { 11340a48a24eStimh error = EINVAL; 11350a48a24eStimh goto pool_props_bad; 11360a48a24eStimh } 11370a48a24eStimh (void) nvlist_lookup_nvlist(props, ZPOOL_ROOTFS_PROPS, &nvl); 11380a48a24eStimh if (nvl) { 11390a48a24eStimh error = nvlist_dup(nvl, &rootprops, KM_SLEEP); 11400a48a24eStimh if (error != 0) { 11410a48a24eStimh nvlist_free(config); 11420a48a24eStimh nvlist_free(props); 11430a48a24eStimh return (error); 11440a48a24eStimh } 11450a48a24eStimh (void) nvlist_remove_all(props, ZPOOL_ROOTFS_PROPS); 11460a48a24eStimh } 11470a48a24eStimh VERIFY(nvlist_alloc(&zplprops, NV_UNIQUE_NAME, KM_SLEEP) == 0); 11480a48a24eStimh error = zfs_fill_zplprops_root(version, rootprops, 11490a48a24eStimh zplprops, NULL); 11500a48a24eStimh if (error) 11510a48a24eStimh goto pool_props_bad; 11520a48a24eStimh } 11530a48a24eStimh 11542a6b87f0Sek buf = history_str_get(zc); 1155fa9e4066Sahrens 11560a48a24eStimh error = spa_create(zc->zc_name, config, props, buf, zplprops); 11570a48a24eStimh 11580a48a24eStimh /* 11590a48a24eStimh * Set the remaining root properties 11600a48a24eStimh */ 116192241e0bSTom Erickson if (!error && (error = zfs_set_prop_nvlist(zc->zc_name, 116292241e0bSTom Erickson ZPROP_SRC_LOCAL, rootprops, NULL)) != 0) 11630a48a24eStimh (void) spa_destroy(zc->zc_name); 1164fa9e4066Sahrens 11652a6b87f0Sek if (buf != NULL) 11662a6b87f0Sek history_str_free(buf); 1167990b4856Slling 11680a48a24eStimh pool_props_bad: 11690a48a24eStimh nvlist_free(rootprops); 11700a48a24eStimh nvlist_free(zplprops); 1171fa9e4066Sahrens nvlist_free(config); 11720a48a24eStimh nvlist_free(props); 1173990b4856Slling 1174fa9e4066Sahrens return (error); 1175fa9e4066Sahrens } 1176fa9e4066Sahrens 1177fa9e4066Sahrens static int 1178fa9e4066Sahrens zfs_ioc_pool_destroy(zfs_cmd_t *zc) 1179fa9e4066Sahrens { 1180ecd6cf80Smarks int error; 1181ecd6cf80Smarks zfs_log_history(zc); 1182ecd6cf80Smarks error = spa_destroy(zc->zc_name); 1183681d9761SEric Taylor if (error == 0) 1184681d9761SEric Taylor zvol_remove_minors(zc->zc_name); 1185ecd6cf80Smarks return (error); 1186fa9e4066Sahrens } 1187fa9e4066Sahrens 1188fa9e4066Sahrens static int 1189fa9e4066Sahrens zfs_ioc_pool_import(zfs_cmd_t *zc) 1190fa9e4066Sahrens { 1191990b4856Slling nvlist_t *config, *props = NULL; 1192fa9e4066Sahrens uint64_t guid; 1193468c413aSTim Haley int error; 1194fa9e4066Sahrens 1195990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 1196478ed9adSEric Taylor zc->zc_iflags, &config)) != 0) 1197990b4856Slling return (error); 1198990b4856Slling 1199990b4856Slling if (zc->zc_nvlist_src_size != 0 && (error = 1200478ed9adSEric Taylor get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 1201478ed9adSEric Taylor zc->zc_iflags, &props))) { 1202990b4856Slling nvlist_free(config); 1203fa9e4066Sahrens return (error); 1204990b4856Slling } 1205fa9e4066Sahrens 1206fa9e4066Sahrens if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &guid) != 0 || 1207ea8dc4b6Seschrock guid != zc->zc_guid) 1208fa9e4066Sahrens error = EINVAL; 1209c5904d13Seschrock else if (zc->zc_cookie) 1210468c413aSTim Haley error = spa_import_verbatim(zc->zc_name, config, props); 1211fa9e4066Sahrens else 1212990b4856Slling error = spa_import(zc->zc_name, config, props); 1213fa9e4066Sahrens 1214468c413aSTim Haley if (zc->zc_nvlist_dst != 0) 1215468c413aSTim Haley (void) put_nvlist(zc, config); 1216468c413aSTim Haley 1217fa9e4066Sahrens nvlist_free(config); 1218fa9e4066Sahrens 1219990b4856Slling if (props) 1220990b4856Slling nvlist_free(props); 1221990b4856Slling 1222fa9e4066Sahrens return (error); 1223fa9e4066Sahrens } 1224fa9e4066Sahrens 1225fa9e4066Sahrens static int 1226fa9e4066Sahrens zfs_ioc_pool_export(zfs_cmd_t *zc) 1227fa9e4066Sahrens { 1228ecd6cf80Smarks int error; 122989a89ebfSlling boolean_t force = (boolean_t)zc->zc_cookie; 1230394ab0cbSGeorge Wilson boolean_t hardforce = (boolean_t)zc->zc_guid; 123189a89ebfSlling 1232ecd6cf80Smarks zfs_log_history(zc); 1233394ab0cbSGeorge Wilson error = spa_export(zc->zc_name, NULL, force, hardforce); 1234681d9761SEric Taylor if (error == 0) 1235681d9761SEric Taylor zvol_remove_minors(zc->zc_name); 1236ecd6cf80Smarks return (error); 1237fa9e4066Sahrens } 1238fa9e4066Sahrens 1239fa9e4066Sahrens static int 1240fa9e4066Sahrens zfs_ioc_pool_configs(zfs_cmd_t *zc) 1241fa9e4066Sahrens { 1242fa9e4066Sahrens nvlist_t *configs; 1243fa9e4066Sahrens int error; 1244fa9e4066Sahrens 1245fa9e4066Sahrens if ((configs = spa_all_configs(&zc->zc_cookie)) == NULL) 1246fa9e4066Sahrens return (EEXIST); 1247fa9e4066Sahrens 1248e9dbad6fSeschrock error = put_nvlist(zc, configs); 1249fa9e4066Sahrens 1250fa9e4066Sahrens nvlist_free(configs); 1251fa9e4066Sahrens 1252fa9e4066Sahrens return (error); 1253fa9e4066Sahrens } 1254fa9e4066Sahrens 1255fa9e4066Sahrens static int 1256fa9e4066Sahrens zfs_ioc_pool_stats(zfs_cmd_t *zc) 1257fa9e4066Sahrens { 1258fa9e4066Sahrens nvlist_t *config; 1259fa9e4066Sahrens int error; 1260ea8dc4b6Seschrock int ret = 0; 1261fa9e4066Sahrens 1262e9dbad6fSeschrock error = spa_get_stats(zc->zc_name, &config, zc->zc_value, 1263e9dbad6fSeschrock sizeof (zc->zc_value)); 1264fa9e4066Sahrens 1265fa9e4066Sahrens if (config != NULL) { 1266e9dbad6fSeschrock ret = put_nvlist(zc, config); 1267fa9e4066Sahrens nvlist_free(config); 1268ea8dc4b6Seschrock 1269ea8dc4b6Seschrock /* 1270ea8dc4b6Seschrock * The config may be present even if 'error' is non-zero. 1271ea8dc4b6Seschrock * In this case we return success, and preserve the real errno 1272ea8dc4b6Seschrock * in 'zc_cookie'. 1273ea8dc4b6Seschrock */ 1274ea8dc4b6Seschrock zc->zc_cookie = error; 1275fa9e4066Sahrens } else { 1276ea8dc4b6Seschrock ret = error; 1277fa9e4066Sahrens } 1278fa9e4066Sahrens 1279ea8dc4b6Seschrock return (ret); 1280fa9e4066Sahrens } 1281fa9e4066Sahrens 1282fa9e4066Sahrens /* 1283fa9e4066Sahrens * Try to import the given pool, returning pool stats as appropriate so that 1284fa9e4066Sahrens * user land knows which devices are available and overall pool health. 1285fa9e4066Sahrens */ 1286fa9e4066Sahrens static int 1287fa9e4066Sahrens zfs_ioc_pool_tryimport(zfs_cmd_t *zc) 1288fa9e4066Sahrens { 1289fa9e4066Sahrens nvlist_t *tryconfig, *config; 1290fa9e4066Sahrens int error; 1291fa9e4066Sahrens 1292990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 1293478ed9adSEric Taylor zc->zc_iflags, &tryconfig)) != 0) 1294fa9e4066Sahrens return (error); 1295fa9e4066Sahrens 1296fa9e4066Sahrens config = spa_tryimport(tryconfig); 1297fa9e4066Sahrens 1298fa9e4066Sahrens nvlist_free(tryconfig); 1299fa9e4066Sahrens 1300fa9e4066Sahrens if (config == NULL) 1301fa9e4066Sahrens return (EINVAL); 1302fa9e4066Sahrens 1303e9dbad6fSeschrock error = put_nvlist(zc, config); 1304fa9e4066Sahrens nvlist_free(config); 1305fa9e4066Sahrens 1306fa9e4066Sahrens return (error); 1307fa9e4066Sahrens } 1308fa9e4066Sahrens 13093f9d6ad7SLin Ling /* 13103f9d6ad7SLin Ling * inputs: 13113f9d6ad7SLin Ling * zc_name name of the pool 13123f9d6ad7SLin Ling * zc_cookie scan func (pool_scan_func_t) 13133f9d6ad7SLin Ling */ 1314fa9e4066Sahrens static int 13153f9d6ad7SLin Ling zfs_ioc_pool_scan(zfs_cmd_t *zc) 1316fa9e4066Sahrens { 1317fa9e4066Sahrens spa_t *spa; 1318fa9e4066Sahrens int error; 1319fa9e4066Sahrens 132006eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 132106eeb2adSek return (error); 132206eeb2adSek 13233f9d6ad7SLin Ling if (zc->zc_cookie == POOL_SCAN_NONE) 13243f9d6ad7SLin Ling error = spa_scan_stop(spa); 13253f9d6ad7SLin Ling else 13263f9d6ad7SLin Ling error = spa_scan(spa, zc->zc_cookie); 132706eeb2adSek 132806eeb2adSek spa_close(spa, FTAG); 132906eeb2adSek 1330fa9e4066Sahrens return (error); 1331fa9e4066Sahrens } 1332fa9e4066Sahrens 1333fa9e4066Sahrens static int 1334fa9e4066Sahrens zfs_ioc_pool_freeze(zfs_cmd_t *zc) 1335fa9e4066Sahrens { 1336fa9e4066Sahrens spa_t *spa; 1337fa9e4066Sahrens int error; 1338fa9e4066Sahrens 1339fa9e4066Sahrens error = spa_open(zc->zc_name, &spa, FTAG); 1340fa9e4066Sahrens if (error == 0) { 1341fa9e4066Sahrens spa_freeze(spa); 1342fa9e4066Sahrens spa_close(spa, FTAG); 1343fa9e4066Sahrens } 1344fa9e4066Sahrens return (error); 1345fa9e4066Sahrens } 1346fa9e4066Sahrens 1347eaca9bbdSeschrock static int 1348eaca9bbdSeschrock zfs_ioc_pool_upgrade(zfs_cmd_t *zc) 1349eaca9bbdSeschrock { 1350eaca9bbdSeschrock spa_t *spa; 1351eaca9bbdSeschrock int error; 1352eaca9bbdSeschrock 135306eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 135406eeb2adSek return (error); 135506eeb2adSek 1356558d2d50Slling if (zc->zc_cookie < spa_version(spa) || zc->zc_cookie > SPA_VERSION) { 1357558d2d50Slling spa_close(spa, FTAG); 1358558d2d50Slling return (EINVAL); 1359558d2d50Slling } 1360558d2d50Slling 1361990b4856Slling spa_upgrade(spa, zc->zc_cookie); 136206eeb2adSek spa_close(spa, FTAG); 136306eeb2adSek 136406eeb2adSek return (error); 136506eeb2adSek } 136606eeb2adSek 136706eeb2adSek static int 136806eeb2adSek zfs_ioc_pool_get_history(zfs_cmd_t *zc) 136906eeb2adSek { 137006eeb2adSek spa_t *spa; 137106eeb2adSek char *hist_buf; 137206eeb2adSek uint64_t size; 137306eeb2adSek int error; 137406eeb2adSek 137506eeb2adSek if ((size = zc->zc_history_len) == 0) 137606eeb2adSek return (EINVAL); 137706eeb2adSek 137806eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 137906eeb2adSek return (error); 138006eeb2adSek 1381e7437265Sahrens if (spa_version(spa) < SPA_VERSION_ZPOOL_HISTORY) { 1382d7306b64Sek spa_close(spa, FTAG); 1383d7306b64Sek return (ENOTSUP); 1384d7306b64Sek } 1385d7306b64Sek 138606eeb2adSek hist_buf = kmem_alloc(size, KM_SLEEP); 138706eeb2adSek if ((error = spa_history_get(spa, &zc->zc_history_offset, 138806eeb2adSek &zc->zc_history_len, hist_buf)) == 0) { 1389478ed9adSEric Taylor error = ddi_copyout(hist_buf, 1390478ed9adSEric Taylor (void *)(uintptr_t)zc->zc_history, 1391478ed9adSEric Taylor zc->zc_history_len, zc->zc_iflags); 139206eeb2adSek } 139306eeb2adSek 139406eeb2adSek spa_close(spa, FTAG); 139506eeb2adSek kmem_free(hist_buf, size); 139606eeb2adSek return (error); 139706eeb2adSek } 139806eeb2adSek 139955434c77Sek static int 140055434c77Sek zfs_ioc_dsobj_to_dsname(zfs_cmd_t *zc) 140155434c77Sek { 140255434c77Sek int error; 140355434c77Sek 1404b1b8ab34Slling if (error = dsl_dsobj_to_dsname(zc->zc_name, zc->zc_obj, zc->zc_value)) 140555434c77Sek return (error); 140655434c77Sek 140755434c77Sek return (0); 140855434c77Sek } 140955434c77Sek 1410503ad85cSMatthew Ahrens /* 1411503ad85cSMatthew Ahrens * inputs: 1412503ad85cSMatthew Ahrens * zc_name name of filesystem 1413503ad85cSMatthew Ahrens * zc_obj object to find 1414503ad85cSMatthew Ahrens * 1415503ad85cSMatthew Ahrens * outputs: 1416503ad85cSMatthew Ahrens * zc_value name of object 1417503ad85cSMatthew Ahrens */ 141855434c77Sek static int 141955434c77Sek zfs_ioc_obj_to_path(zfs_cmd_t *zc) 142055434c77Sek { 1421503ad85cSMatthew Ahrens objset_t *os; 142255434c77Sek int error; 142355434c77Sek 1424503ad85cSMatthew Ahrens /* XXX reading from objset not owned */ 1425503ad85cSMatthew Ahrens if ((error = dmu_objset_hold(zc->zc_name, FTAG, &os)) != 0) 142655434c77Sek return (error); 1427503ad85cSMatthew Ahrens if (dmu_objset_type(os) != DMU_OST_ZFS) { 1428503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1429503ad85cSMatthew Ahrens return (EINVAL); 1430503ad85cSMatthew Ahrens } 1431503ad85cSMatthew Ahrens error = zfs_obj_to_path(os, zc->zc_obj, zc->zc_value, 143255434c77Sek sizeof (zc->zc_value)); 1433503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 143455434c77Sek 143555434c77Sek return (error); 143655434c77Sek } 143755434c77Sek 1438fa9e4066Sahrens static int 1439fa9e4066Sahrens zfs_ioc_vdev_add(zfs_cmd_t *zc) 1440fa9e4066Sahrens { 1441fa9e4066Sahrens spa_t *spa; 1442fa9e4066Sahrens int error; 1443e7cbe64fSgw nvlist_t *config, **l2cache, **spares; 1444e7cbe64fSgw uint_t nl2cache = 0, nspares = 0; 1445fa9e4066Sahrens 1446fa9e4066Sahrens error = spa_open(zc->zc_name, &spa, FTAG); 1447fa9e4066Sahrens if (error != 0) 1448fa9e4066Sahrens return (error); 1449fa9e4066Sahrens 1450fa94a07fSbrendan error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 1451478ed9adSEric Taylor zc->zc_iflags, &config); 1452fa94a07fSbrendan (void) nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_L2CACHE, 1453fa94a07fSbrendan &l2cache, &nl2cache); 1454fa94a07fSbrendan 1455e7cbe64fSgw (void) nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_SPARES, 1456e7cbe64fSgw &spares, &nspares); 1457e7cbe64fSgw 1458b1b8ab34Slling /* 1459b1b8ab34Slling * A root pool with concatenated devices is not supported. 1460e7cbe64fSgw * Thus, can not add a device to a root pool. 1461e7cbe64fSgw * 1462e7cbe64fSgw * Intent log device can not be added to a rootpool because 1463e7cbe64fSgw * during mountroot, zil is replayed, a seperated log device 1464e7cbe64fSgw * can not be accessed during the mountroot time. 1465e7cbe64fSgw * 1466e7cbe64fSgw * l2cache and spare devices are ok to be added to a rootpool. 1467b1b8ab34Slling */ 1468b24ab676SJeff Bonwick if (spa_bootfs(spa) != 0 && nl2cache == 0 && nspares == 0) { 14691195e687SMark J Musante nvlist_free(config); 1470b1b8ab34Slling spa_close(spa, FTAG); 1471b1b8ab34Slling return (EDOM); 1472b1b8ab34Slling } 1473b1b8ab34Slling 1474fa94a07fSbrendan if (error == 0) { 1475fa9e4066Sahrens error = spa_vdev_add(spa, config); 1476fa9e4066Sahrens nvlist_free(config); 1477fa9e4066Sahrens } 1478fa9e4066Sahrens spa_close(spa, FTAG); 1479fa9e4066Sahrens return (error); 1480fa9e4066Sahrens } 1481fa9e4066Sahrens 14823f9d6ad7SLin Ling /* 14833f9d6ad7SLin Ling * inputs: 14843f9d6ad7SLin Ling * zc_name name of the pool 14853f9d6ad7SLin Ling * zc_nvlist_conf nvlist of devices to remove 14863f9d6ad7SLin Ling * zc_cookie to stop the remove? 14873f9d6ad7SLin Ling */ 1488fa9e4066Sahrens static int 1489fa9e4066Sahrens zfs_ioc_vdev_remove(zfs_cmd_t *zc) 1490fa9e4066Sahrens { 149199653d4eSeschrock spa_t *spa; 149299653d4eSeschrock int error; 149399653d4eSeschrock 149499653d4eSeschrock error = spa_open(zc->zc_name, &spa, FTAG); 149599653d4eSeschrock if (error != 0) 149699653d4eSeschrock return (error); 149799653d4eSeschrock error = spa_vdev_remove(spa, zc->zc_guid, B_FALSE); 149899653d4eSeschrock spa_close(spa, FTAG); 149999653d4eSeschrock return (error); 1500fa9e4066Sahrens } 1501fa9e4066Sahrens 1502fa9e4066Sahrens static int 15033d7072f8Seschrock zfs_ioc_vdev_set_state(zfs_cmd_t *zc) 1504fa9e4066Sahrens { 1505fa9e4066Sahrens spa_t *spa; 1506fa9e4066Sahrens int error; 15073d7072f8Seschrock vdev_state_t newstate = VDEV_STATE_UNKNOWN; 1508fa9e4066Sahrens 150906eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 1510fa9e4066Sahrens return (error); 15113d7072f8Seschrock switch (zc->zc_cookie) { 15123d7072f8Seschrock case VDEV_STATE_ONLINE: 15133d7072f8Seschrock error = vdev_online(spa, zc->zc_guid, zc->zc_obj, &newstate); 15143d7072f8Seschrock break; 1515fa9e4066Sahrens 15163d7072f8Seschrock case VDEV_STATE_OFFLINE: 15173d7072f8Seschrock error = vdev_offline(spa, zc->zc_guid, zc->zc_obj); 15183d7072f8Seschrock break; 1519fa9e4066Sahrens 15203d7072f8Seschrock case VDEV_STATE_FAULTED: 1521069f55e2SEric Schrock if (zc->zc_obj != VDEV_AUX_ERR_EXCEEDED && 1522069f55e2SEric Schrock zc->zc_obj != VDEV_AUX_EXTERNAL) 1523069f55e2SEric Schrock zc->zc_obj = VDEV_AUX_ERR_EXCEEDED; 1524069f55e2SEric Schrock 1525069f55e2SEric Schrock error = vdev_fault(spa, zc->zc_guid, zc->zc_obj); 15263d7072f8Seschrock break; 15273d7072f8Seschrock 15283d7072f8Seschrock case VDEV_STATE_DEGRADED: 1529069f55e2SEric Schrock if (zc->zc_obj != VDEV_AUX_ERR_EXCEEDED && 1530069f55e2SEric Schrock zc->zc_obj != VDEV_AUX_EXTERNAL) 1531069f55e2SEric Schrock zc->zc_obj = VDEV_AUX_ERR_EXCEEDED; 1532069f55e2SEric Schrock 1533069f55e2SEric Schrock error = vdev_degrade(spa, zc->zc_guid, zc->zc_obj); 15343d7072f8Seschrock break; 15353d7072f8Seschrock 15363d7072f8Seschrock default: 15373d7072f8Seschrock error = EINVAL; 15383d7072f8Seschrock } 15393d7072f8Seschrock zc->zc_cookie = newstate; 1540fa9e4066Sahrens spa_close(spa, FTAG); 1541fa9e4066Sahrens return (error); 1542fa9e4066Sahrens } 1543fa9e4066Sahrens 1544fa9e4066Sahrens static int 1545fa9e4066Sahrens zfs_ioc_vdev_attach(zfs_cmd_t *zc) 1546fa9e4066Sahrens { 1547fa9e4066Sahrens spa_t *spa; 1548fa9e4066Sahrens int replacing = zc->zc_cookie; 1549fa9e4066Sahrens nvlist_t *config; 1550fa9e4066Sahrens int error; 1551fa9e4066Sahrens 155206eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 1553fa9e4066Sahrens return (error); 1554fa9e4066Sahrens 1555990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 1556478ed9adSEric Taylor zc->zc_iflags, &config)) == 0) { 1557ea8dc4b6Seschrock error = spa_vdev_attach(spa, zc->zc_guid, config, replacing); 1558fa9e4066Sahrens nvlist_free(config); 1559fa9e4066Sahrens } 1560fa9e4066Sahrens 1561fa9e4066Sahrens spa_close(spa, FTAG); 1562fa9e4066Sahrens return (error); 1563fa9e4066Sahrens } 1564fa9e4066Sahrens 1565fa9e4066Sahrens static int 1566fa9e4066Sahrens zfs_ioc_vdev_detach(zfs_cmd_t *zc) 1567fa9e4066Sahrens { 1568fa9e4066Sahrens spa_t *spa; 1569fa9e4066Sahrens int error; 1570fa9e4066Sahrens 157106eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 1572fa9e4066Sahrens return (error); 1573fa9e4066Sahrens 15748ad4d6ddSJeff Bonwick error = spa_vdev_detach(spa, zc->zc_guid, 0, B_FALSE); 1575fa9e4066Sahrens 1576fa9e4066Sahrens spa_close(spa, FTAG); 1577fa9e4066Sahrens return (error); 1578fa9e4066Sahrens } 1579fa9e4066Sahrens 15801195e687SMark J Musante static int 15811195e687SMark J Musante zfs_ioc_vdev_split(zfs_cmd_t *zc) 15821195e687SMark J Musante { 15831195e687SMark J Musante spa_t *spa; 15841195e687SMark J Musante nvlist_t *config, *props = NULL; 15851195e687SMark J Musante int error; 15861195e687SMark J Musante boolean_t exp = !!(zc->zc_cookie & ZPOOL_EXPORT_AFTER_SPLIT); 15871195e687SMark J Musante 15881195e687SMark J Musante if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 15891195e687SMark J Musante return (error); 15901195e687SMark J Musante 15911195e687SMark J Musante if (error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 15921195e687SMark J Musante zc->zc_iflags, &config)) { 15931195e687SMark J Musante spa_close(spa, FTAG); 15941195e687SMark J Musante return (error); 15951195e687SMark J Musante } 15961195e687SMark J Musante 15971195e687SMark J Musante if (zc->zc_nvlist_src_size != 0 && (error = 15981195e687SMark J Musante get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 15991195e687SMark J Musante zc->zc_iflags, &props))) { 16001195e687SMark J Musante spa_close(spa, FTAG); 16011195e687SMark J Musante nvlist_free(config); 16021195e687SMark J Musante return (error); 16031195e687SMark J Musante } 16041195e687SMark J Musante 16051195e687SMark J Musante error = spa_vdev_split_mirror(spa, zc->zc_string, config, props, exp); 16061195e687SMark J Musante 16071195e687SMark J Musante spa_close(spa, FTAG); 16081195e687SMark J Musante 16091195e687SMark J Musante nvlist_free(config); 16101195e687SMark J Musante nvlist_free(props); 16111195e687SMark J Musante 16121195e687SMark J Musante return (error); 16131195e687SMark J Musante } 16141195e687SMark J Musante 1615c67d9675Seschrock static int 1616c67d9675Seschrock zfs_ioc_vdev_setpath(zfs_cmd_t *zc) 1617c67d9675Seschrock { 1618c67d9675Seschrock spa_t *spa; 1619e9dbad6fSeschrock char *path = zc->zc_value; 1620ea8dc4b6Seschrock uint64_t guid = zc->zc_guid; 1621c67d9675Seschrock int error; 1622c67d9675Seschrock 1623c67d9675Seschrock error = spa_open(zc->zc_name, &spa, FTAG); 1624c67d9675Seschrock if (error != 0) 1625c67d9675Seschrock return (error); 1626c67d9675Seschrock 1627c67d9675Seschrock error = spa_vdev_setpath(spa, guid, path); 1628c67d9675Seschrock spa_close(spa, FTAG); 1629c67d9675Seschrock return (error); 1630c67d9675Seschrock } 1631c67d9675Seschrock 16326809eb4eSEric Schrock static int 16336809eb4eSEric Schrock zfs_ioc_vdev_setfru(zfs_cmd_t *zc) 16346809eb4eSEric Schrock { 16356809eb4eSEric Schrock spa_t *spa; 16366809eb4eSEric Schrock char *fru = zc->zc_value; 16376809eb4eSEric Schrock uint64_t guid = zc->zc_guid; 16386809eb4eSEric Schrock int error; 16396809eb4eSEric Schrock 16406809eb4eSEric Schrock error = spa_open(zc->zc_name, &spa, FTAG); 16416809eb4eSEric Schrock if (error != 0) 16426809eb4eSEric Schrock return (error); 16436809eb4eSEric Schrock 16446809eb4eSEric Schrock error = spa_vdev_setfru(spa, guid, fru); 16456809eb4eSEric Schrock spa_close(spa, FTAG); 16466809eb4eSEric Schrock return (error); 16476809eb4eSEric Schrock } 16486809eb4eSEric Schrock 1649fa9e4066Sahrens static int 1650*a7f53a56SChris Kirby zfs_ioc_objset_stats_impl(zfs_cmd_t *zc, objset_t *os) 1651fa9e4066Sahrens { 1652*a7f53a56SChris Kirby int error = 0; 16537f7322feSeschrock nvlist_t *nv; 1654fa9e4066Sahrens 1655a2eea2e1Sahrens dmu_objset_fast_stat(os, &zc->zc_objset_stats); 1656fa9e4066Sahrens 16575ad82045Snd if (zc->zc_nvlist_dst != 0 && 165892241e0bSTom Erickson (error = dsl_prop_get_all(os, &nv)) == 0) { 1659a2eea2e1Sahrens dmu_objset_stats(os, nv); 1660432f72fdSahrens /* 1661bd00f61bSrm * NB: zvol_get_stats() will read the objset contents, 1662432f72fdSahrens * which we aren't supposed to do with a 1663745cd3c5Smaybee * DS_MODE_USER hold, because it could be 1664432f72fdSahrens * inconsistent. So this is a bit of a workaround... 1665503ad85cSMatthew Ahrens * XXX reading with out owning 1666432f72fdSahrens */ 1667e7437265Sahrens if (!zc->zc_objset_stats.dds_inconsistent) { 1668e7437265Sahrens if (dmu_objset_type(os) == DMU_OST_ZVOL) 1669e7437265Sahrens VERIFY(zvol_get_stats(os, nv) == 0); 1670e7437265Sahrens } 1671e9dbad6fSeschrock error = put_nvlist(zc, nv); 16727f7322feSeschrock nvlist_free(nv); 16737f7322feSeschrock } 1674fa9e4066Sahrens 1675*a7f53a56SChris Kirby return (error); 1676*a7f53a56SChris Kirby } 1677*a7f53a56SChris Kirby 1678*a7f53a56SChris Kirby /* 1679*a7f53a56SChris Kirby * inputs: 1680*a7f53a56SChris Kirby * zc_name name of filesystem 1681*a7f53a56SChris Kirby * zc_nvlist_dst_size size of buffer for property nvlist 1682*a7f53a56SChris Kirby * 1683*a7f53a56SChris Kirby * outputs: 1684*a7f53a56SChris Kirby * zc_objset_stats stats 1685*a7f53a56SChris Kirby * zc_nvlist_dst property nvlist 1686*a7f53a56SChris Kirby * zc_nvlist_dst_size size of property nvlist 1687*a7f53a56SChris Kirby */ 1688*a7f53a56SChris Kirby static int 1689*a7f53a56SChris Kirby zfs_ioc_objset_stats(zfs_cmd_t *zc) 1690*a7f53a56SChris Kirby { 1691*a7f53a56SChris Kirby objset_t *os = NULL; 1692*a7f53a56SChris Kirby int error; 1693*a7f53a56SChris Kirby 1694*a7f53a56SChris Kirby if (error = dmu_objset_hold(zc->zc_name, FTAG, &os)) 1695*a7f53a56SChris Kirby return (error); 1696*a7f53a56SChris Kirby 1697*a7f53a56SChris Kirby error = zfs_ioc_objset_stats_impl(zc, os); 1698*a7f53a56SChris Kirby 1699503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1700*a7f53a56SChris Kirby 1701fa9e4066Sahrens return (error); 1702fa9e4066Sahrens } 1703fa9e4066Sahrens 170492241e0bSTom Erickson /* 170592241e0bSTom Erickson * inputs: 170692241e0bSTom Erickson * zc_name name of filesystem 170792241e0bSTom Erickson * zc_nvlist_dst_size size of buffer for property nvlist 170892241e0bSTom Erickson * 170992241e0bSTom Erickson * outputs: 171092241e0bSTom Erickson * zc_nvlist_dst received property nvlist 171192241e0bSTom Erickson * zc_nvlist_dst_size size of received property nvlist 171292241e0bSTom Erickson * 171392241e0bSTom Erickson * Gets received properties (distinct from local properties on or after 171492241e0bSTom Erickson * SPA_VERSION_RECVD_PROPS) for callers who want to differentiate received from 171592241e0bSTom Erickson * local property values. 171692241e0bSTom Erickson */ 171792241e0bSTom Erickson static int 171892241e0bSTom Erickson zfs_ioc_objset_recvd_props(zfs_cmd_t *zc) 171992241e0bSTom Erickson { 172092241e0bSTom Erickson objset_t *os = NULL; 172192241e0bSTom Erickson int error; 172292241e0bSTom Erickson nvlist_t *nv; 172392241e0bSTom Erickson 172492241e0bSTom Erickson if (error = dmu_objset_hold(zc->zc_name, FTAG, &os)) 172592241e0bSTom Erickson return (error); 172692241e0bSTom Erickson 172792241e0bSTom Erickson /* 172892241e0bSTom Erickson * Without this check, we would return local property values if the 172992241e0bSTom Erickson * caller has not already received properties on or after 173092241e0bSTom Erickson * SPA_VERSION_RECVD_PROPS. 173192241e0bSTom Erickson */ 173292241e0bSTom Erickson if (!dsl_prop_get_hasrecvd(os)) { 173392241e0bSTom Erickson dmu_objset_rele(os, FTAG); 173492241e0bSTom Erickson return (ENOTSUP); 173592241e0bSTom Erickson } 173692241e0bSTom Erickson 173792241e0bSTom Erickson if (zc->zc_nvlist_dst != 0 && 173892241e0bSTom Erickson (error = dsl_prop_get_received(os, &nv)) == 0) { 173992241e0bSTom Erickson error = put_nvlist(zc, nv); 174092241e0bSTom Erickson nvlist_free(nv); 174192241e0bSTom Erickson } 174292241e0bSTom Erickson 174392241e0bSTom Erickson dmu_objset_rele(os, FTAG); 174492241e0bSTom Erickson return (error); 174592241e0bSTom Erickson } 174692241e0bSTom Erickson 1747de8267e0Stimh static int 1748de8267e0Stimh nvl_add_zplprop(objset_t *os, nvlist_t *props, zfs_prop_t prop) 1749de8267e0Stimh { 1750de8267e0Stimh uint64_t value; 1751de8267e0Stimh int error; 1752de8267e0Stimh 1753de8267e0Stimh /* 1754de8267e0Stimh * zfs_get_zplprop() will either find a value or give us 1755de8267e0Stimh * the default value (if there is one). 1756de8267e0Stimh */ 1757de8267e0Stimh if ((error = zfs_get_zplprop(os, prop, &value)) != 0) 1758de8267e0Stimh return (error); 1759de8267e0Stimh VERIFY(nvlist_add_uint64(props, zfs_prop_to_name(prop), value) == 0); 1760de8267e0Stimh return (0); 1761de8267e0Stimh } 1762de8267e0Stimh 17633cb34c60Sahrens /* 17643cb34c60Sahrens * inputs: 17653cb34c60Sahrens * zc_name name of filesystem 1766de8267e0Stimh * zc_nvlist_dst_size size of buffer for zpl property nvlist 17673cb34c60Sahrens * 17683cb34c60Sahrens * outputs: 1769de8267e0Stimh * zc_nvlist_dst zpl property nvlist 1770de8267e0Stimh * zc_nvlist_dst_size size of zpl property nvlist 17713cb34c60Sahrens */ 1772bd00f61bSrm static int 1773de8267e0Stimh zfs_ioc_objset_zplprops(zfs_cmd_t *zc) 1774bd00f61bSrm { 1775de8267e0Stimh objset_t *os; 1776de8267e0Stimh int err; 1777bd00f61bSrm 1778503ad85cSMatthew Ahrens /* XXX reading without owning */ 1779503ad85cSMatthew Ahrens if (err = dmu_objset_hold(zc->zc_name, FTAG, &os)) 1780de8267e0Stimh return (err); 1781bd00f61bSrm 1782bd00f61bSrm dmu_objset_fast_stat(os, &zc->zc_objset_stats); 1783bd00f61bSrm 1784bd00f61bSrm /* 1785de8267e0Stimh * NB: nvl_add_zplprop() will read the objset contents, 1786745cd3c5Smaybee * which we aren't supposed to do with a DS_MODE_USER 1787745cd3c5Smaybee * hold, because it could be inconsistent. 1788bd00f61bSrm */ 1789de8267e0Stimh if (zc->zc_nvlist_dst != NULL && 1790de8267e0Stimh !zc->zc_objset_stats.dds_inconsistent && 1791de8267e0Stimh dmu_objset_type(os) == DMU_OST_ZFS) { 1792de8267e0Stimh nvlist_t *nv; 1793de8267e0Stimh 1794de8267e0Stimh VERIFY(nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) == 0); 1795de8267e0Stimh if ((err = nvl_add_zplprop(os, nv, ZFS_PROP_VERSION)) == 0 && 1796de8267e0Stimh (err = nvl_add_zplprop(os, nv, ZFS_PROP_NORMALIZE)) == 0 && 1797de8267e0Stimh (err = nvl_add_zplprop(os, nv, ZFS_PROP_UTF8ONLY)) == 0 && 1798de8267e0Stimh (err = nvl_add_zplprop(os, nv, ZFS_PROP_CASE)) == 0) 1799de8267e0Stimh err = put_nvlist(zc, nv); 1800de8267e0Stimh nvlist_free(nv); 1801de8267e0Stimh } else { 1802de8267e0Stimh err = ENOENT; 1803de8267e0Stimh } 1804503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1805de8267e0Stimh return (err); 1806bd00f61bSrm } 1807bd00f61bSrm 180814843421SMatthew Ahrens static boolean_t 180914843421SMatthew Ahrens dataset_name_hidden(const char *name) 181014843421SMatthew Ahrens { 181114843421SMatthew Ahrens /* 181214843421SMatthew Ahrens * Skip over datasets that are not visible in this zone, 181314843421SMatthew Ahrens * internal datasets (which have a $ in their name), and 181414843421SMatthew Ahrens * temporary datasets (which have a % in their name). 181514843421SMatthew Ahrens */ 181614843421SMatthew Ahrens if (strchr(name, '$') != NULL) 181714843421SMatthew Ahrens return (B_TRUE); 181814843421SMatthew Ahrens if (strchr(name, '%') != NULL) 181914843421SMatthew Ahrens return (B_TRUE); 182014843421SMatthew Ahrens if (!INGLOBALZONE(curproc) && !zone_dataset_visible(name, NULL)) 182114843421SMatthew Ahrens return (B_TRUE); 182214843421SMatthew Ahrens return (B_FALSE); 182314843421SMatthew Ahrens } 182414843421SMatthew Ahrens 1825de8267e0Stimh /* 1826de8267e0Stimh * inputs: 1827de8267e0Stimh * zc_name name of filesystem 1828de8267e0Stimh * zc_cookie zap cursor 1829de8267e0Stimh * zc_nvlist_dst_size size of buffer for property nvlist 1830de8267e0Stimh * 1831de8267e0Stimh * outputs: 1832de8267e0Stimh * zc_name name of next filesystem 183314843421SMatthew Ahrens * zc_cookie zap cursor 1834de8267e0Stimh * zc_objset_stats stats 1835de8267e0Stimh * zc_nvlist_dst property nvlist 1836de8267e0Stimh * zc_nvlist_dst_size size of property nvlist 1837de8267e0Stimh */ 1838fa9e4066Sahrens static int 1839fa9e4066Sahrens zfs_ioc_dataset_list_next(zfs_cmd_t *zc) 1840fa9e4066Sahrens { 184187e5029aSahrens objset_t *os; 1842fa9e4066Sahrens int error; 1843fa9e4066Sahrens char *p; 1844620252bcSChris Kirby size_t orig_len = strlen(zc->zc_name); 1845fa9e4066Sahrens 1846620252bcSChris Kirby top: 1847503ad85cSMatthew Ahrens if (error = dmu_objset_hold(zc->zc_name, FTAG, &os)) { 184887e5029aSahrens if (error == ENOENT) 184987e5029aSahrens error = ESRCH; 185087e5029aSahrens return (error); 1851fa9e4066Sahrens } 1852fa9e4066Sahrens 1853fa9e4066Sahrens p = strrchr(zc->zc_name, '/'); 1854fa9e4066Sahrens if (p == NULL || p[1] != '\0') 1855fa9e4066Sahrens (void) strlcat(zc->zc_name, "/", sizeof (zc->zc_name)); 1856fa9e4066Sahrens p = zc->zc_name + strlen(zc->zc_name); 1857fa9e4066Sahrens 18585c0b6a79SRich Morris /* 18595c0b6a79SRich Morris * Pre-fetch the datasets. dmu_objset_prefetch() always returns 0 18605c0b6a79SRich Morris * but is not declared void because its called by dmu_objset_find(). 18615c0b6a79SRich Morris */ 18627f73c863SRich Morris if (zc->zc_cookie == 0) { 18637f73c863SRich Morris uint64_t cookie = 0; 18647f73c863SRich Morris int len = sizeof (zc->zc_name) - (p - zc->zc_name); 18657f73c863SRich Morris 18667f73c863SRich Morris while (dmu_dir_list_next(os, len, p, NULL, &cookie) == 0) 18675c0b6a79SRich Morris (void) dmu_objset_prefetch(p, NULL); 18687f73c863SRich Morris } 18697f73c863SRich Morris 1870fa9e4066Sahrens do { 187187e5029aSahrens error = dmu_dir_list_next(os, 187287e5029aSahrens sizeof (zc->zc_name) - (p - zc->zc_name), p, 187387e5029aSahrens NULL, &zc->zc_cookie); 1874fa9e4066Sahrens if (error == ENOENT) 1875fa9e4066Sahrens error = ESRCH; 1876681d9761SEric Taylor } while (error == 0 && dataset_name_hidden(zc->zc_name) && 1877681d9761SEric Taylor !(zc->zc_iflags & FKIOCTL)); 1878503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1879fa9e4066Sahrens 1880681d9761SEric Taylor /* 1881681d9761SEric Taylor * If it's an internal dataset (ie. with a '$' in its name), 1882681d9761SEric Taylor * don't try to get stats for it, otherwise we'll return ENOENT. 1883681d9761SEric Taylor */ 1884620252bcSChris Kirby if (error == 0 && strchr(zc->zc_name, '$') == NULL) { 188587e5029aSahrens error = zfs_ioc_objset_stats(zc); /* fill in the stats */ 1886620252bcSChris Kirby if (error == ENOENT) { 1887620252bcSChris Kirby /* We lost a race with destroy, get the next one. */ 1888620252bcSChris Kirby zc->zc_name[orig_len] = '\0'; 1889620252bcSChris Kirby goto top; 1890620252bcSChris Kirby } 1891620252bcSChris Kirby } 1892fa9e4066Sahrens return (error); 1893fa9e4066Sahrens } 1894fa9e4066Sahrens 18953cb34c60Sahrens /* 18963cb34c60Sahrens * inputs: 18973cb34c60Sahrens * zc_name name of filesystem 18983cb34c60Sahrens * zc_cookie zap cursor 18993cb34c60Sahrens * zc_nvlist_dst_size size of buffer for property nvlist 19003cb34c60Sahrens * 19013cb34c60Sahrens * outputs: 19023cb34c60Sahrens * zc_name name of next snapshot 19033cb34c60Sahrens * zc_objset_stats stats 19043cb34c60Sahrens * zc_nvlist_dst property nvlist 19053cb34c60Sahrens * zc_nvlist_dst_size size of property nvlist 19063cb34c60Sahrens */ 1907fa9e4066Sahrens static int 1908fa9e4066Sahrens zfs_ioc_snapshot_list_next(zfs_cmd_t *zc) 1909fa9e4066Sahrens { 191087e5029aSahrens objset_t *os; 1911fa9e4066Sahrens int error; 1912fa9e4066Sahrens 1913620252bcSChris Kirby top: 19147cbf8b43SRich Morris if (zc->zc_cookie == 0) 19157cbf8b43SRich Morris (void) dmu_objset_find(zc->zc_name, dmu_objset_prefetch, 19167cbf8b43SRich Morris NULL, DS_FIND_SNAPSHOTS); 19177cbf8b43SRich Morris 1918503ad85cSMatthew Ahrens error = dmu_objset_hold(zc->zc_name, FTAG, &os); 1919745cd3c5Smaybee if (error) 1920745cd3c5Smaybee return (error == ENOENT ? ESRCH : error); 1921fa9e4066Sahrens 1922b81d61a6Slling /* 1923b81d61a6Slling * A dataset name of maximum length cannot have any snapshots, 1924b81d61a6Slling * so exit immediately. 1925b81d61a6Slling */ 1926b81d61a6Slling if (strlcat(zc->zc_name, "@", sizeof (zc->zc_name)) >= MAXNAMELEN) { 1927503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1928b81d61a6Slling return (ESRCH); 1929fa9e4066Sahrens } 1930fa9e4066Sahrens 193187e5029aSahrens error = dmu_snapshot_list_next(os, 193287e5029aSahrens sizeof (zc->zc_name) - strlen(zc->zc_name), 1933*a7f53a56SChris Kirby zc->zc_name + strlen(zc->zc_name), &zc->zc_obj, &zc->zc_cookie, 1934*a7f53a56SChris Kirby NULL); 1935*a7f53a56SChris Kirby 1936620252bcSChris Kirby if (error == 0) { 1937*a7f53a56SChris Kirby dsl_dataset_t *ds; 1938*a7f53a56SChris Kirby dsl_pool_t *dp = os->os_dsl_dataset->ds_dir->dd_pool; 1939*a7f53a56SChris Kirby 1940*a7f53a56SChris Kirby /* 1941*a7f53a56SChris Kirby * Since we probably don't have a hold on this snapshot, 1942*a7f53a56SChris Kirby * it's possible that the objsetid could have been destroyed 1943*a7f53a56SChris Kirby * and reused for a new objset. It's OK if this happens during 1944*a7f53a56SChris Kirby * a zfs send operation, since the new createtxg will be 1945*a7f53a56SChris Kirby * beyond the range we're interested in. 1946*a7f53a56SChris Kirby */ 1947*a7f53a56SChris Kirby rw_enter(&dp->dp_config_rwlock, RW_READER); 1948*a7f53a56SChris Kirby error = dsl_dataset_hold_obj(dp, zc->zc_obj, FTAG, &ds); 1949*a7f53a56SChris Kirby rw_exit(&dp->dp_config_rwlock); 1950*a7f53a56SChris Kirby if (error) { 1951*a7f53a56SChris Kirby if (error == ENOENT) { 1952*a7f53a56SChris Kirby /* Racing with destroy, get the next one. */ 1953*a7f53a56SChris Kirby *strchr(zc->zc_name, '@') = '\0'; 1954*a7f53a56SChris Kirby dmu_objset_rele(os, FTAG); 1955*a7f53a56SChris Kirby goto top; 1956*a7f53a56SChris Kirby } 1957*a7f53a56SChris Kirby } else { 1958*a7f53a56SChris Kirby objset_t *ossnap; 1959*a7f53a56SChris Kirby 1960*a7f53a56SChris Kirby error = dmu_objset_from_ds(ds, &ossnap); 1961*a7f53a56SChris Kirby if (error == 0) 1962*a7f53a56SChris Kirby error = zfs_ioc_objset_stats_impl(zc, ossnap); 1963*a7f53a56SChris Kirby dsl_dataset_rele(ds, FTAG); 1964620252bcSChris Kirby } 1965620252bcSChris Kirby } else if (error == ENOENT) { 1966745cd3c5Smaybee error = ESRCH; 1967620252bcSChris Kirby } 1968fa9e4066Sahrens 1969*a7f53a56SChris Kirby dmu_objset_rele(os, FTAG); 19703cb34c60Sahrens /* if we failed, undo the @ that we tacked on to zc_name */ 1971745cd3c5Smaybee if (error) 19723cb34c60Sahrens *strchr(zc->zc_name, '@') = '\0'; 1973fa9e4066Sahrens return (error); 1974fa9e4066Sahrens } 1975fa9e4066Sahrens 197692241e0bSTom Erickson static int 197792241e0bSTom Erickson zfs_prop_set_userquota(const char *dsname, nvpair_t *pair) 1978fa9e4066Sahrens { 197992241e0bSTom Erickson const char *propname = nvpair_name(pair); 198092241e0bSTom Erickson uint64_t *valary; 198192241e0bSTom Erickson unsigned int vallen; 198292241e0bSTom Erickson const char *domain; 1983eeb85002STim Haley char *dash; 198492241e0bSTom Erickson zfs_userquota_prop_t type; 198592241e0bSTom Erickson uint64_t rid; 198692241e0bSTom Erickson uint64_t quota; 198792241e0bSTom Erickson zfsvfs_t *zfsvfs; 198892241e0bSTom Erickson int err; 198992241e0bSTom Erickson 199092241e0bSTom Erickson if (nvpair_type(pair) == DATA_TYPE_NVLIST) { 199192241e0bSTom Erickson nvlist_t *attrs; 199292241e0bSTom Erickson VERIFY(nvpair_value_nvlist(pair, &attrs) == 0); 1993eeb85002STim Haley if (nvlist_lookup_nvpair(attrs, ZPROP_VALUE, 1994eeb85002STim Haley &pair) != 0) 1995eeb85002STim Haley return (EINVAL); 199692241e0bSTom Erickson } 1997e9dbad6fSeschrock 1998ecd6cf80Smarks /* 1999eeb85002STim Haley * A correctly constructed propname is encoded as 200092241e0bSTom Erickson * userquota@<rid>-<domain>. 2001ecd6cf80Smarks */ 2002eeb85002STim Haley if ((dash = strchr(propname, '-')) == NULL || 2003eeb85002STim Haley nvpair_value_uint64_array(pair, &valary, &vallen) != 0 || 2004eeb85002STim Haley vallen != 3) 2005eeb85002STim Haley return (EINVAL); 2006eeb85002STim Haley 2007eeb85002STim Haley domain = dash + 1; 2008eeb85002STim Haley type = valary[0]; 2009eeb85002STim Haley rid = valary[1]; 2010eeb85002STim Haley quota = valary[2]; 2011e9dbad6fSeschrock 20121412a1a2SMark Shellenbaum err = zfsvfs_hold(dsname, FTAG, &zfsvfs, B_FALSE); 201392241e0bSTom Erickson if (err == 0) { 201492241e0bSTom Erickson err = zfs_set_userquota(zfsvfs, type, domain, rid, quota); 201592241e0bSTom Erickson zfsvfs_rele(zfsvfs, FTAG); 201692241e0bSTom Erickson } 2017e9dbad6fSeschrock 201892241e0bSTom Erickson return (err); 201992241e0bSTom Erickson } 202014843421SMatthew Ahrens 202192241e0bSTom Erickson /* 202292241e0bSTom Erickson * If the named property is one that has a special function to set its value, 202392241e0bSTom Erickson * return 0 on success and a positive error code on failure; otherwise if it is 202492241e0bSTom Erickson * not one of the special properties handled by this function, return -1. 202592241e0bSTom Erickson * 2026eeb85002STim Haley * XXX: It would be better for callers of the property interface if we handled 202792241e0bSTom Erickson * these special cases in dsl_prop.c (in the dsl layer). 202892241e0bSTom Erickson */ 202992241e0bSTom Erickson static int 203092241e0bSTom Erickson zfs_prop_set_special(const char *dsname, zprop_source_t source, 203192241e0bSTom Erickson nvpair_t *pair) 203292241e0bSTom Erickson { 203392241e0bSTom Erickson const char *propname = nvpair_name(pair); 203492241e0bSTom Erickson zfs_prop_t prop = zfs_name_to_prop(propname); 203592241e0bSTom Erickson uint64_t intval; 203692241e0bSTom Erickson int err; 2037fa9e4066Sahrens 203892241e0bSTom Erickson if (prop == ZPROP_INVAL) { 203992241e0bSTom Erickson if (zfs_prop_userquota(propname)) 204092241e0bSTom Erickson return (zfs_prop_set_userquota(dsname, pair)); 204192241e0bSTom Erickson return (-1); 204292241e0bSTom Erickson } 204314843421SMatthew Ahrens 204492241e0bSTom Erickson if (nvpair_type(pair) == DATA_TYPE_NVLIST) { 204592241e0bSTom Erickson nvlist_t *attrs; 204692241e0bSTom Erickson VERIFY(nvpair_value_nvlist(pair, &attrs) == 0); 204792241e0bSTom Erickson VERIFY(nvlist_lookup_nvpair(attrs, ZPROP_VALUE, 204892241e0bSTom Erickson &pair) == 0); 204992241e0bSTom Erickson } 2050db870a07Sahrens 205192241e0bSTom Erickson if (zfs_prop_get_type(prop) == PROP_TYPE_STRING) 205292241e0bSTom Erickson return (-1); 2053b24ab676SJeff Bonwick 205492241e0bSTom Erickson VERIFY(0 == nvpair_value_uint64(pair, &intval)); 205540feaa91Sahrens 205692241e0bSTom Erickson switch (prop) { 205792241e0bSTom Erickson case ZFS_PROP_QUOTA: 205892241e0bSTom Erickson err = dsl_dir_set_quota(dsname, source, intval); 205992241e0bSTom Erickson break; 206092241e0bSTom Erickson case ZFS_PROP_REFQUOTA: 206192241e0bSTom Erickson err = dsl_dataset_set_quota(dsname, source, intval); 206292241e0bSTom Erickson break; 206392241e0bSTom Erickson case ZFS_PROP_RESERVATION: 206492241e0bSTom Erickson err = dsl_dir_set_reservation(dsname, source, intval); 206592241e0bSTom Erickson break; 206692241e0bSTom Erickson case ZFS_PROP_REFRESERVATION: 206792241e0bSTom Erickson err = dsl_dataset_set_reservation(dsname, source, intval); 206892241e0bSTom Erickson break; 206992241e0bSTom Erickson case ZFS_PROP_VOLSIZE: 207092241e0bSTom Erickson err = zvol_set_volsize(dsname, ddi_driver_major(zfs_dip), 207192241e0bSTom Erickson intval); 207292241e0bSTom Erickson break; 207392241e0bSTom Erickson case ZFS_PROP_VERSION: 207492241e0bSTom Erickson { 207592241e0bSTom Erickson zfsvfs_t *zfsvfs; 20769e6eda55Smarks 20771412a1a2SMark Shellenbaum if ((err = zfsvfs_hold(dsname, FTAG, &zfsvfs, B_TRUE)) != 0) 2078b24ab676SJeff Bonwick break; 2079b24ab676SJeff Bonwick 208092241e0bSTom Erickson err = zfs_set_version(zfsvfs, intval); 208192241e0bSTom Erickson zfsvfs_rele(zfsvfs, FTAG); 2082d0f3f37eSMark Shellenbaum 208392241e0bSTom Erickson if (err == 0 && intval >= ZPL_VERSION_USERSPACE) { 2084b16da2e2SGeorge Wilson zfs_cmd_t *zc; 2085b16da2e2SGeorge Wilson 2086b16da2e2SGeorge Wilson zc = kmem_zalloc(sizeof (zfs_cmd_t), KM_SLEEP); 2087b16da2e2SGeorge Wilson (void) strcpy(zc->zc_name, dsname); 2088b16da2e2SGeorge Wilson (void) zfs_ioc_userspace_upgrade(zc); 2089b16da2e2SGeorge Wilson kmem_free(zc, sizeof (zfs_cmd_t)); 209040feaa91Sahrens } 209192241e0bSTom Erickson break; 2092ecd6cf80Smarks } 2093ecd6cf80Smarks 209492241e0bSTom Erickson default: 209592241e0bSTom Erickson err = -1; 209692241e0bSTom Erickson } 2097e9dbad6fSeschrock 209892241e0bSTom Erickson return (err); 209992241e0bSTom Erickson } 2100a9799022Sck 210192241e0bSTom Erickson /* 210292241e0bSTom Erickson * This function is best effort. If it fails to set any of the given properties, 210392241e0bSTom Erickson * it continues to set as many as it can and returns the first error 210492241e0bSTom Erickson * encountered. If the caller provides a non-NULL errlist, it also gives the 210592241e0bSTom Erickson * complete list of names of all the properties it failed to set along with the 210692241e0bSTom Erickson * corresponding error numbers. The caller is responsible for freeing the 210792241e0bSTom Erickson * returned errlist. 210892241e0bSTom Erickson * 210992241e0bSTom Erickson * If every property is set successfully, zero is returned and the list pointed 211092241e0bSTom Erickson * at by errlist is NULL. 211192241e0bSTom Erickson */ 211292241e0bSTom Erickson int 211392241e0bSTom Erickson zfs_set_prop_nvlist(const char *dsname, zprop_source_t source, nvlist_t *nvl, 211492241e0bSTom Erickson nvlist_t **errlist) 211592241e0bSTom Erickson { 211692241e0bSTom Erickson nvpair_t *pair; 211792241e0bSTom Erickson nvpair_t *propval; 211802e383d1STom Erickson int rv = 0; 211992241e0bSTom Erickson uint64_t intval; 212092241e0bSTom Erickson char *strval; 212192241e0bSTom Erickson nvlist_t *genericnvl; 212292241e0bSTom Erickson nvlist_t *errors; 212392241e0bSTom Erickson nvlist_t *retrynvl; 2124e9dbad6fSeschrock 212592241e0bSTom Erickson VERIFY(nvlist_alloc(&genericnvl, NV_UNIQUE_NAME, KM_SLEEP) == 0); 212692241e0bSTom Erickson VERIFY(nvlist_alloc(&errors, NV_UNIQUE_NAME, KM_SLEEP) == 0); 212792241e0bSTom Erickson VERIFY(nvlist_alloc(&retrynvl, NV_UNIQUE_NAME, KM_SLEEP) == 0); 2128a9799022Sck 212992241e0bSTom Erickson retry: 213092241e0bSTom Erickson pair = NULL; 213192241e0bSTom Erickson while ((pair = nvlist_next_nvpair(nvl, pair)) != NULL) { 213292241e0bSTom Erickson const char *propname = nvpair_name(pair); 213392241e0bSTom Erickson zfs_prop_t prop = zfs_name_to_prop(propname); 2134cfa69fd2STom Erickson int err = 0; 2135e9dbad6fSeschrock 213692241e0bSTom Erickson /* decode the property value */ 213792241e0bSTom Erickson propval = pair; 213892241e0bSTom Erickson if (nvpair_type(pair) == DATA_TYPE_NVLIST) { 213992241e0bSTom Erickson nvlist_t *attrs; 214092241e0bSTom Erickson VERIFY(nvpair_value_nvlist(pair, &attrs) == 0); 2141eeb85002STim Haley if (nvlist_lookup_nvpair(attrs, ZPROP_VALUE, 2142eeb85002STim Haley &propval) != 0) 2143eeb85002STim Haley err = EINVAL; 214414843421SMatthew Ahrens } 2145e9dbad6fSeschrock 214692241e0bSTom Erickson /* Validate value type */ 2147eeb85002STim Haley if (err == 0 && prop == ZPROP_INVAL) { 214892241e0bSTom Erickson if (zfs_prop_user(propname)) { 214992241e0bSTom Erickson if (nvpair_type(propval) != DATA_TYPE_STRING) 215092241e0bSTom Erickson err = EINVAL; 215192241e0bSTom Erickson } else if (zfs_prop_userquota(propname)) { 215292241e0bSTom Erickson if (nvpair_type(propval) != 215392241e0bSTom Erickson DATA_TYPE_UINT64_ARRAY) 215492241e0bSTom Erickson err = EINVAL; 21554201a95eSRic Aleshire } 2156eeb85002STim Haley } else if (err == 0) { 215792241e0bSTom Erickson if (nvpair_type(propval) == DATA_TYPE_STRING) { 215892241e0bSTom Erickson if (zfs_prop_get_type(prop) != PROP_TYPE_STRING) 215992241e0bSTom Erickson err = EINVAL; 216092241e0bSTom Erickson } else if (nvpair_type(propval) == DATA_TYPE_UINT64) { 2161a2eea2e1Sahrens const char *unused; 2162a2eea2e1Sahrens 216392241e0bSTom Erickson VERIFY(nvpair_value_uint64(propval, 216492241e0bSTom Erickson &intval) == 0); 2165e9dbad6fSeschrock 2166e9dbad6fSeschrock switch (zfs_prop_get_type(prop)) { 216791ebeef5Sahrens case PROP_TYPE_NUMBER: 2168e9dbad6fSeschrock break; 216991ebeef5Sahrens case PROP_TYPE_STRING: 217092241e0bSTom Erickson err = EINVAL; 217192241e0bSTom Erickson break; 217291ebeef5Sahrens case PROP_TYPE_INDEX: 2173acd76fe5Seschrock if (zfs_prop_index_to_string(prop, 217492241e0bSTom Erickson intval, &unused) != 0) 217592241e0bSTom Erickson err = EINVAL; 2176e9dbad6fSeschrock break; 2177e9dbad6fSeschrock default: 2178e7437265Sahrens cmn_err(CE_PANIC, 2179e7437265Sahrens "unknown property type"); 2180e9dbad6fSeschrock } 2181e9dbad6fSeschrock } else { 218292241e0bSTom Erickson err = EINVAL; 2183e9dbad6fSeschrock } 2184e9dbad6fSeschrock } 218592241e0bSTom Erickson 218692241e0bSTom Erickson /* Validate permissions */ 218792241e0bSTom Erickson if (err == 0) 218892241e0bSTom Erickson err = zfs_check_settable(dsname, pair, CRED()); 218992241e0bSTom Erickson 219092241e0bSTom Erickson if (err == 0) { 219192241e0bSTom Erickson err = zfs_prop_set_special(dsname, source, pair); 219292241e0bSTom Erickson if (err == -1) { 219392241e0bSTom Erickson /* 219492241e0bSTom Erickson * For better performance we build up a list of 219592241e0bSTom Erickson * properties to set in a single transaction. 219692241e0bSTom Erickson */ 219792241e0bSTom Erickson err = nvlist_add_nvpair(genericnvl, pair); 219892241e0bSTom Erickson } else if (err != 0 && nvl != retrynvl) { 219992241e0bSTom Erickson /* 220092241e0bSTom Erickson * This may be a spurious error caused by 220192241e0bSTom Erickson * receiving quota and reservation out of order. 220292241e0bSTom Erickson * Try again in a second pass. 220392241e0bSTom Erickson */ 220492241e0bSTom Erickson err = nvlist_add_nvpair(retrynvl, pair); 220592241e0bSTom Erickson } 220692241e0bSTom Erickson } 220792241e0bSTom Erickson 220892241e0bSTom Erickson if (err != 0) 220992241e0bSTom Erickson VERIFY(nvlist_add_int32(errors, propname, err) == 0); 2210e9dbad6fSeschrock } 2211e9dbad6fSeschrock 221292241e0bSTom Erickson if (nvl != retrynvl && !nvlist_empty(retrynvl)) { 221392241e0bSTom Erickson nvl = retrynvl; 221492241e0bSTom Erickson goto retry; 221592241e0bSTom Erickson } 221692241e0bSTom Erickson 221792241e0bSTom Erickson if (!nvlist_empty(genericnvl) && 221892241e0bSTom Erickson dsl_props_set(dsname, source, genericnvl) != 0) { 221992241e0bSTom Erickson /* 222092241e0bSTom Erickson * If this fails, we still want to set as many properties as we 222192241e0bSTom Erickson * can, so try setting them individually. 222292241e0bSTom Erickson */ 222392241e0bSTom Erickson pair = NULL; 222492241e0bSTom Erickson while ((pair = nvlist_next_nvpair(genericnvl, pair)) != NULL) { 222592241e0bSTom Erickson const char *propname = nvpair_name(pair); 2226cfa69fd2STom Erickson int err = 0; 222792241e0bSTom Erickson 222892241e0bSTom Erickson propval = pair; 222992241e0bSTom Erickson if (nvpair_type(pair) == DATA_TYPE_NVLIST) { 223092241e0bSTom Erickson nvlist_t *attrs; 223192241e0bSTom Erickson VERIFY(nvpair_value_nvlist(pair, &attrs) == 0); 223292241e0bSTom Erickson VERIFY(nvlist_lookup_nvpair(attrs, ZPROP_VALUE, 223392241e0bSTom Erickson &propval) == 0); 223492241e0bSTom Erickson } 223592241e0bSTom Erickson 223692241e0bSTom Erickson if (nvpair_type(propval) == DATA_TYPE_STRING) { 223792241e0bSTom Erickson VERIFY(nvpair_value_string(propval, 223892241e0bSTom Erickson &strval) == 0); 223992241e0bSTom Erickson err = dsl_prop_set(dsname, propname, source, 1, 224092241e0bSTom Erickson strlen(strval) + 1, strval); 224192241e0bSTom Erickson } else { 224292241e0bSTom Erickson VERIFY(nvpair_value_uint64(propval, 224392241e0bSTom Erickson &intval) == 0); 224492241e0bSTom Erickson err = dsl_prop_set(dsname, propname, source, 8, 224592241e0bSTom Erickson 1, &intval); 224692241e0bSTom Erickson } 224792241e0bSTom Erickson 224892241e0bSTom Erickson if (err != 0) { 224992241e0bSTom Erickson VERIFY(nvlist_add_int32(errors, propname, 225092241e0bSTom Erickson err) == 0); 225192241e0bSTom Erickson } 225292241e0bSTom Erickson } 22535c0b6a79SRich Morris } 22545c0b6a79SRich Morris nvlist_free(genericnvl); 225592241e0bSTom Erickson nvlist_free(retrynvl); 225692241e0bSTom Erickson 225792241e0bSTom Erickson if ((pair = nvlist_next_nvpair(errors, NULL)) == NULL) { 225892241e0bSTom Erickson nvlist_free(errors); 225992241e0bSTom Erickson errors = NULL; 226092241e0bSTom Erickson } else { 226192241e0bSTom Erickson VERIFY(nvpair_value_int32(pair, &rv) == 0); 226292241e0bSTom Erickson } 226392241e0bSTom Erickson 226492241e0bSTom Erickson if (errlist == NULL) 226592241e0bSTom Erickson nvlist_free(errors); 226692241e0bSTom Erickson else 226792241e0bSTom Erickson *errlist = errors; 226892241e0bSTom Erickson 226992241e0bSTom Erickson return (rv); 2270fa9e4066Sahrens } 2271fa9e4066Sahrens 2272ea2f5b9eSMatthew Ahrens /* 2273ea2f5b9eSMatthew Ahrens * Check that all the properties are valid user properties. 2274ea2f5b9eSMatthew Ahrens */ 2275ea2f5b9eSMatthew Ahrens static int 2276ea2f5b9eSMatthew Ahrens zfs_check_userprops(char *fsname, nvlist_t *nvl) 2277ea2f5b9eSMatthew Ahrens { 227892241e0bSTom Erickson nvpair_t *pair = NULL; 2279ea2f5b9eSMatthew Ahrens int error = 0; 2280ea2f5b9eSMatthew Ahrens 228192241e0bSTom Erickson while ((pair = nvlist_next_nvpair(nvl, pair)) != NULL) { 228292241e0bSTom Erickson const char *propname = nvpair_name(pair); 2283ea2f5b9eSMatthew Ahrens char *valstr; 2284ea2f5b9eSMatthew Ahrens 2285ea2f5b9eSMatthew Ahrens if (!zfs_prop_user(propname) || 228692241e0bSTom Erickson nvpair_type(pair) != DATA_TYPE_STRING) 2287ea2f5b9eSMatthew Ahrens return (EINVAL); 2288ea2f5b9eSMatthew Ahrens 2289ea2f5b9eSMatthew Ahrens if (error = zfs_secpolicy_write_perms(fsname, 2290ea2f5b9eSMatthew Ahrens ZFS_DELEG_PERM_USERPROP, CRED())) 2291ea2f5b9eSMatthew Ahrens return (error); 2292ea2f5b9eSMatthew Ahrens 2293ea2f5b9eSMatthew Ahrens if (strlen(propname) >= ZAP_MAXNAMELEN) 2294ea2f5b9eSMatthew Ahrens return (ENAMETOOLONG); 2295ea2f5b9eSMatthew Ahrens 229692241e0bSTom Erickson VERIFY(nvpair_value_string(pair, &valstr) == 0); 2297ea2f5b9eSMatthew Ahrens if (strlen(valstr) >= ZAP_MAXVALUELEN) 2298ea2f5b9eSMatthew Ahrens return (E2BIG); 2299ea2f5b9eSMatthew Ahrens } 2300ea2f5b9eSMatthew Ahrens return (0); 2301ea2f5b9eSMatthew Ahrens } 2302ea2f5b9eSMatthew Ahrens 230392241e0bSTom Erickson static void 230492241e0bSTom Erickson props_skip(nvlist_t *props, nvlist_t *skipped, nvlist_t **newprops) 230592241e0bSTom Erickson { 230692241e0bSTom Erickson nvpair_t *pair; 230792241e0bSTom Erickson 230892241e0bSTom Erickson VERIFY(nvlist_alloc(newprops, NV_UNIQUE_NAME, KM_SLEEP) == 0); 230992241e0bSTom Erickson 231092241e0bSTom Erickson pair = NULL; 231192241e0bSTom Erickson while ((pair = nvlist_next_nvpair(props, pair)) != NULL) { 231292241e0bSTom Erickson if (nvlist_exists(skipped, nvpair_name(pair))) 231392241e0bSTom Erickson continue; 231492241e0bSTom Erickson 231592241e0bSTom Erickson VERIFY(nvlist_add_nvpair(*newprops, pair) == 0); 231692241e0bSTom Erickson } 231792241e0bSTom Erickson } 231892241e0bSTom Erickson 231992241e0bSTom Erickson static int 232092241e0bSTom Erickson clear_received_props(objset_t *os, const char *fs, nvlist_t *props, 232192241e0bSTom Erickson nvlist_t *skipped) 232292241e0bSTom Erickson { 232392241e0bSTom Erickson int err = 0; 232492241e0bSTom Erickson nvlist_t *cleared_props = NULL; 232592241e0bSTom Erickson props_skip(props, skipped, &cleared_props); 232692241e0bSTom Erickson if (!nvlist_empty(cleared_props)) { 232792241e0bSTom Erickson /* 232892241e0bSTom Erickson * Acts on local properties until the dataset has received 232992241e0bSTom Erickson * properties at least once on or after SPA_VERSION_RECVD_PROPS. 233092241e0bSTom Erickson */ 233192241e0bSTom Erickson zprop_source_t flags = (ZPROP_SRC_NONE | 233292241e0bSTom Erickson (dsl_prop_get_hasrecvd(os) ? ZPROP_SRC_RECEIVED : 0)); 233392241e0bSTom Erickson err = zfs_set_prop_nvlist(fs, flags, cleared_props, NULL); 233492241e0bSTom Erickson } 233592241e0bSTom Erickson nvlist_free(cleared_props); 233692241e0bSTom Erickson return (err); 233792241e0bSTom Erickson } 233892241e0bSTom Erickson 23393cb34c60Sahrens /* 23403cb34c60Sahrens * inputs: 23413cb34c60Sahrens * zc_name name of filesystem 23425c0b6a79SRich Morris * zc_value name of property to set 23433cb34c60Sahrens * zc_nvlist_src{_size} nvlist of properties to apply 234492241e0bSTom Erickson * zc_cookie received properties flag 23453cb34c60Sahrens * 234692241e0bSTom Erickson * outputs: 234792241e0bSTom Erickson * zc_nvlist_dst{_size} error for each unapplied received property 23483cb34c60Sahrens */ 2349fa9e4066Sahrens static int 2350e9dbad6fSeschrock zfs_ioc_set_prop(zfs_cmd_t *zc) 2351fa9e4066Sahrens { 2352e9dbad6fSeschrock nvlist_t *nvl; 235392241e0bSTom Erickson boolean_t received = zc->zc_cookie; 235492241e0bSTom Erickson zprop_source_t source = (received ? ZPROP_SRC_RECEIVED : 235592241e0bSTom Erickson ZPROP_SRC_LOCAL); 235692241e0bSTom Erickson nvlist_t *errors = NULL; 2357e9dbad6fSeschrock int error; 2358e9dbad6fSeschrock 2359990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 2360478ed9adSEric Taylor zc->zc_iflags, &nvl)) != 0) 2361e9dbad6fSeschrock return (error); 2362e9dbad6fSeschrock 236392241e0bSTom Erickson if (received) { 2364bb0ade09Sahrens nvlist_t *origprops; 2365bb0ade09Sahrens objset_t *os; 2366bb0ade09Sahrens 2367503ad85cSMatthew Ahrens if (dmu_objset_hold(zc->zc_name, FTAG, &os) == 0) { 236892241e0bSTom Erickson if (dsl_prop_get_received(os, &origprops) == 0) { 236992241e0bSTom Erickson (void) clear_received_props(os, 237092241e0bSTom Erickson zc->zc_name, origprops, nvl); 2371bb0ade09Sahrens nvlist_free(origprops); 2372bb0ade09Sahrens } 237392241e0bSTom Erickson 237492241e0bSTom Erickson dsl_prop_set_hasrecvd(os); 2375503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 2376bb0ade09Sahrens } 2377bb0ade09Sahrens } 2378bb0ade09Sahrens 237992241e0bSTom Erickson error = zfs_set_prop_nvlist(zc->zc_name, source, nvl, &errors); 238092241e0bSTom Erickson 238192241e0bSTom Erickson if (zc->zc_nvlist_dst != NULL && errors != NULL) { 238292241e0bSTom Erickson (void) put_nvlist(zc, errors); 238392241e0bSTom Erickson } 2384ecd6cf80Smarks 238592241e0bSTom Erickson nvlist_free(errors); 2386e9dbad6fSeschrock nvlist_free(nvl); 2387e9dbad6fSeschrock return (error); 2388fa9e4066Sahrens } 2389fa9e4066Sahrens 23903cb34c60Sahrens /* 23913cb34c60Sahrens * inputs: 23923cb34c60Sahrens * zc_name name of filesystem 23933cb34c60Sahrens * zc_value name of property to inherit 239492241e0bSTom Erickson * zc_cookie revert to received value if TRUE 23953cb34c60Sahrens * 23963cb34c60Sahrens * outputs: none 23973cb34c60Sahrens */ 2398e45ce728Sahrens static int 2399e45ce728Sahrens zfs_ioc_inherit_prop(zfs_cmd_t *zc) 2400e45ce728Sahrens { 240192241e0bSTom Erickson const char *propname = zc->zc_value; 240292241e0bSTom Erickson zfs_prop_t prop = zfs_name_to_prop(propname); 240392241e0bSTom Erickson boolean_t received = zc->zc_cookie; 240492241e0bSTom Erickson zprop_source_t source = (received 240592241e0bSTom Erickson ? ZPROP_SRC_NONE /* revert to received value, if any */ 240692241e0bSTom Erickson : ZPROP_SRC_INHERITED); /* explicitly inherit */ 240792241e0bSTom Erickson 240892241e0bSTom Erickson if (received) { 240992241e0bSTom Erickson nvlist_t *dummy; 241092241e0bSTom Erickson nvpair_t *pair; 241192241e0bSTom Erickson zprop_type_t type; 241292241e0bSTom Erickson int err; 241392241e0bSTom Erickson 241492241e0bSTom Erickson /* 241592241e0bSTom Erickson * zfs_prop_set_special() expects properties in the form of an 241692241e0bSTom Erickson * nvpair with type info. 241792241e0bSTom Erickson */ 241892241e0bSTom Erickson if (prop == ZPROP_INVAL) { 241992241e0bSTom Erickson if (!zfs_prop_user(propname)) 242092241e0bSTom Erickson return (EINVAL); 242192241e0bSTom Erickson 242292241e0bSTom Erickson type = PROP_TYPE_STRING; 2423a79992aaSTom Erickson } else if (prop == ZFS_PROP_VOLSIZE || 2424a79992aaSTom Erickson prop == ZFS_PROP_VERSION) { 2425a79992aaSTom Erickson return (EINVAL); 242692241e0bSTom Erickson } else { 242792241e0bSTom Erickson type = zfs_prop_get_type(prop); 242892241e0bSTom Erickson } 242992241e0bSTom Erickson 243092241e0bSTom Erickson VERIFY(nvlist_alloc(&dummy, NV_UNIQUE_NAME, KM_SLEEP) == 0); 243192241e0bSTom Erickson 243292241e0bSTom Erickson switch (type) { 243392241e0bSTom Erickson case PROP_TYPE_STRING: 243492241e0bSTom Erickson VERIFY(0 == nvlist_add_string(dummy, propname, "")); 243592241e0bSTom Erickson break; 243692241e0bSTom Erickson case PROP_TYPE_NUMBER: 243792241e0bSTom Erickson case PROP_TYPE_INDEX: 243892241e0bSTom Erickson VERIFY(0 == nvlist_add_uint64(dummy, propname, 0)); 243992241e0bSTom Erickson break; 244092241e0bSTom Erickson default: 244192241e0bSTom Erickson nvlist_free(dummy); 244292241e0bSTom Erickson return (EINVAL); 244392241e0bSTom Erickson } 244492241e0bSTom Erickson 244592241e0bSTom Erickson pair = nvlist_next_nvpair(dummy, NULL); 244692241e0bSTom Erickson err = zfs_prop_set_special(zc->zc_name, source, pair); 244792241e0bSTom Erickson nvlist_free(dummy); 244892241e0bSTom Erickson if (err != -1) 244992241e0bSTom Erickson return (err); /* special property already handled */ 245092241e0bSTom Erickson } else { 245192241e0bSTom Erickson /* 245292241e0bSTom Erickson * Only check this in the non-received case. We want to allow 245392241e0bSTom Erickson * 'inherit -S' to revert non-inheritable properties like quota 245492241e0bSTom Erickson * and reservation to the received or default values even though 245592241e0bSTom Erickson * they are not considered inheritable. 245692241e0bSTom Erickson */ 245792241e0bSTom Erickson if (prop != ZPROP_INVAL && !zfs_prop_inheritable(prop)) 245892241e0bSTom Erickson return (EINVAL); 245992241e0bSTom Erickson } 246092241e0bSTom Erickson 2461e45ce728Sahrens /* the property name has been validated by zfs_secpolicy_inherit() */ 246292241e0bSTom Erickson return (dsl_prop_set(zc->zc_name, zc->zc_value, source, 0, 0, NULL)); 2463e45ce728Sahrens } 2464e45ce728Sahrens 2465b1b8ab34Slling static int 246611a41203Slling zfs_ioc_pool_set_props(zfs_cmd_t *zc) 2467b1b8ab34Slling { 2468990b4856Slling nvlist_t *props; 2469b1b8ab34Slling spa_t *spa; 2470990b4856Slling int error; 247192241e0bSTom Erickson nvpair_t *pair; 2472b1b8ab34Slling 247392241e0bSTom Erickson if (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 247492241e0bSTom Erickson zc->zc_iflags, &props)) 2475b1b8ab34Slling return (error); 2476b1b8ab34Slling 2477379c004dSEric Schrock /* 2478379c004dSEric Schrock * If the only property is the configfile, then just do a spa_lookup() 2479379c004dSEric Schrock * to handle the faulted case. 2480379c004dSEric Schrock */ 248192241e0bSTom Erickson pair = nvlist_next_nvpair(props, NULL); 248292241e0bSTom Erickson if (pair != NULL && strcmp(nvpair_name(pair), 2483379c004dSEric Schrock zpool_prop_to_name(ZPOOL_PROP_CACHEFILE)) == 0 && 248492241e0bSTom Erickson nvlist_next_nvpair(props, pair) == NULL) { 2485379c004dSEric Schrock mutex_enter(&spa_namespace_lock); 2486379c004dSEric Schrock if ((spa = spa_lookup(zc->zc_name)) != NULL) { 2487379c004dSEric Schrock spa_configfile_set(spa, props, B_FALSE); 2488379c004dSEric Schrock spa_config_sync(spa, B_FALSE, B_TRUE); 2489379c004dSEric Schrock } 2490379c004dSEric Schrock mutex_exit(&spa_namespace_lock); 2491b693757aSEric Schrock if (spa != NULL) { 2492b693757aSEric Schrock nvlist_free(props); 2493379c004dSEric Schrock return (0); 2494b693757aSEric Schrock } 2495379c004dSEric Schrock } 2496379c004dSEric Schrock 2497b1b8ab34Slling if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { 2498990b4856Slling nvlist_free(props); 2499b1b8ab34Slling return (error); 2500b1b8ab34Slling } 2501b1b8ab34Slling 2502990b4856Slling error = spa_prop_set(spa, props); 2503b1b8ab34Slling 2504990b4856Slling nvlist_free(props); 2505b1b8ab34Slling spa_close(spa, FTAG); 2506b1b8ab34Slling 2507b1b8ab34Slling return (error); 2508b1b8ab34Slling } 2509b1b8ab34Slling 2510b1b8ab34Slling static int 251111a41203Slling zfs_ioc_pool_get_props(zfs_cmd_t *zc) 2512b1b8ab34Slling { 2513b1b8ab34Slling spa_t *spa; 2514b1b8ab34Slling int error; 2515b1b8ab34Slling nvlist_t *nvp = NULL; 2516b1b8ab34Slling 2517379c004dSEric Schrock if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { 2518379c004dSEric Schrock /* 2519379c004dSEric Schrock * If the pool is faulted, there may be properties we can still 2520379c004dSEric Schrock * get (such as altroot and cachefile), so attempt to get them 2521379c004dSEric Schrock * anyway. 2522379c004dSEric Schrock */ 2523379c004dSEric Schrock mutex_enter(&spa_namespace_lock); 2524379c004dSEric Schrock if ((spa = spa_lookup(zc->zc_name)) != NULL) 2525379c004dSEric Schrock error = spa_prop_get(spa, &nvp); 2526379c004dSEric Schrock mutex_exit(&spa_namespace_lock); 2527379c004dSEric Schrock } else { 2528379c004dSEric Schrock error = spa_prop_get(spa, &nvp); 2529379c004dSEric Schrock spa_close(spa, FTAG); 2530379c004dSEric Schrock } 2531b1b8ab34Slling 2532b1b8ab34Slling if (error == 0 && zc->zc_nvlist_dst != NULL) 2533b1b8ab34Slling error = put_nvlist(zc, nvp); 2534b1b8ab34Slling else 2535b1b8ab34Slling error = EFAULT; 2536b1b8ab34Slling 2537379c004dSEric Schrock nvlist_free(nvp); 2538b1b8ab34Slling return (error); 2539b1b8ab34Slling } 2540b1b8ab34Slling 25413cb34c60Sahrens /* 25423cb34c60Sahrens * inputs: 25433cb34c60Sahrens * zc_name name of filesystem 25443cb34c60Sahrens * zc_nvlist_src{_size} nvlist of delegated permissions 25453cb34c60Sahrens * zc_perm_action allow/unallow flag 25463cb34c60Sahrens * 25473cb34c60Sahrens * outputs: none 25483cb34c60Sahrens */ 2549ecd6cf80Smarks static int 2550ecd6cf80Smarks zfs_ioc_set_fsacl(zfs_cmd_t *zc) 2551ecd6cf80Smarks { 2552ecd6cf80Smarks int error; 2553ecd6cf80Smarks nvlist_t *fsaclnv = NULL; 2554ecd6cf80Smarks 2555990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 2556478ed9adSEric Taylor zc->zc_iflags, &fsaclnv)) != 0) 2557ecd6cf80Smarks return (error); 2558ecd6cf80Smarks 2559ecd6cf80Smarks /* 2560ecd6cf80Smarks * Verify nvlist is constructed correctly 2561ecd6cf80Smarks */ 2562ecd6cf80Smarks if ((error = zfs_deleg_verify_nvlist(fsaclnv)) != 0) { 2563ecd6cf80Smarks nvlist_free(fsaclnv); 2564ecd6cf80Smarks return (EINVAL); 2565ecd6cf80Smarks } 2566ecd6cf80Smarks 2567ecd6cf80Smarks /* 2568ecd6cf80Smarks * If we don't have PRIV_SYS_MOUNT, then validate 2569ecd6cf80Smarks * that user is allowed to hand out each permission in 2570ecd6cf80Smarks * the nvlist(s) 2571ecd6cf80Smarks */ 2572ecd6cf80Smarks 257391ebeef5Sahrens error = secpolicy_zfs(CRED()); 2574ecd6cf80Smarks if (error) { 257591ebeef5Sahrens if (zc->zc_perm_action == B_FALSE) { 257691ebeef5Sahrens error = dsl_deleg_can_allow(zc->zc_name, 257791ebeef5Sahrens fsaclnv, CRED()); 257891ebeef5Sahrens } else { 257991ebeef5Sahrens error = dsl_deleg_can_unallow(zc->zc_name, 258091ebeef5Sahrens fsaclnv, CRED()); 258191ebeef5Sahrens } 2582ecd6cf80Smarks } 2583ecd6cf80Smarks 2584ecd6cf80Smarks if (error == 0) 2585ecd6cf80Smarks error = dsl_deleg_set(zc->zc_name, fsaclnv, zc->zc_perm_action); 2586ecd6cf80Smarks 2587ecd6cf80Smarks nvlist_free(fsaclnv); 2588ecd6cf80Smarks return (error); 2589ecd6cf80Smarks } 2590ecd6cf80Smarks 25913cb34c60Sahrens /* 25923cb34c60Sahrens * inputs: 25933cb34c60Sahrens * zc_name name of filesystem 25943cb34c60Sahrens * 25953cb34c60Sahrens * outputs: 25963cb34c60Sahrens * zc_nvlist_src{_size} nvlist of delegated permissions 25973cb34c60Sahrens */ 2598ecd6cf80Smarks static int 2599ecd6cf80Smarks zfs_ioc_get_fsacl(zfs_cmd_t *zc) 2600ecd6cf80Smarks { 2601ecd6cf80Smarks nvlist_t *nvp; 2602ecd6cf80Smarks int error; 2603ecd6cf80Smarks 2604ecd6cf80Smarks if ((error = dsl_deleg_get(zc->zc_name, &nvp)) == 0) { 2605ecd6cf80Smarks error = put_nvlist(zc, nvp); 2606ecd6cf80Smarks nvlist_free(nvp); 2607ecd6cf80Smarks } 2608ecd6cf80Smarks 2609ecd6cf80Smarks return (error); 2610ecd6cf80Smarks } 2611ecd6cf80Smarks 2612fa9e4066Sahrens /* 2613fa9e4066Sahrens * Search the vfs list for a specified resource. Returns a pointer to it 2614fa9e4066Sahrens * or NULL if no suitable entry is found. The caller of this routine 2615fa9e4066Sahrens * is responsible for releasing the returned vfs pointer. 2616fa9e4066Sahrens */ 2617fa9e4066Sahrens static vfs_t * 2618fa9e4066Sahrens zfs_get_vfs(const char *resource) 2619fa9e4066Sahrens { 2620fa9e4066Sahrens struct vfs *vfsp; 2621fa9e4066Sahrens struct vfs *vfs_found = NULL; 2622fa9e4066Sahrens 2623fa9e4066Sahrens vfs_list_read_lock(); 2624fa9e4066Sahrens vfsp = rootvfs; 2625fa9e4066Sahrens do { 2626fa9e4066Sahrens if (strcmp(refstr_value(vfsp->vfs_resource), resource) == 0) { 2627fa9e4066Sahrens VFS_HOLD(vfsp); 2628fa9e4066Sahrens vfs_found = vfsp; 2629fa9e4066Sahrens break; 2630fa9e4066Sahrens } 2631fa9e4066Sahrens vfsp = vfsp->vfs_next; 2632fa9e4066Sahrens } while (vfsp != rootvfs); 2633fa9e4066Sahrens vfs_list_unlock(); 2634fa9e4066Sahrens return (vfs_found); 2635fa9e4066Sahrens } 2636fa9e4066Sahrens 2637ecd6cf80Smarks /* ARGSUSED */ 2638fa9e4066Sahrens static void 2639ecd6cf80Smarks zfs_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 2640fa9e4066Sahrens { 2641da6c28aaSamw zfs_creat_t *zct = arg; 2642da6c28aaSamw 2643de8267e0Stimh zfs_create_fs(os, cr, zct->zct_zplprops, tx); 2644da6c28aaSamw } 2645da6c28aaSamw 2646de8267e0Stimh #define ZFS_PROP_UNDEFINED ((uint64_t)-1) 2647da6c28aaSamw 2648da6c28aaSamw /* 2649de8267e0Stimh * inputs: 26500a48a24eStimh * createprops list of properties requested by creator 26510a48a24eStimh * default_zplver zpl version to use if unspecified in createprops 26520a48a24eStimh * fuids_ok fuids allowed in this version of the spa? 26530a48a24eStimh * os parent objset pointer (NULL if root fs) 2654de8267e0Stimh * 2655de8267e0Stimh * outputs: 2656de8267e0Stimh * zplprops values for the zplprops we attach to the master node object 26570a48a24eStimh * is_ci true if requested file system will be purely case-insensitive 2658da6c28aaSamw * 2659de8267e0Stimh * Determine the settings for utf8only, normalization and 2660de8267e0Stimh * casesensitivity. Specific values may have been requested by the 2661de8267e0Stimh * creator and/or we can inherit values from the parent dataset. If 2662de8267e0Stimh * the file system is of too early a vintage, a creator can not 2663de8267e0Stimh * request settings for these properties, even if the requested 2664de8267e0Stimh * setting is the default value. We don't actually want to create dsl 2665de8267e0Stimh * properties for these, so remove them from the source nvlist after 2666de8267e0Stimh * processing. 2667da6c28aaSamw */ 2668da6c28aaSamw static int 266914843421SMatthew Ahrens zfs_fill_zplprops_impl(objset_t *os, uint64_t zplver, 26700a586ceaSMark Shellenbaum boolean_t fuids_ok, boolean_t sa_ok, nvlist_t *createprops, 26710a586ceaSMark Shellenbaum nvlist_t *zplprops, boolean_t *is_ci) 2672da6c28aaSamw { 2673de8267e0Stimh uint64_t sense = ZFS_PROP_UNDEFINED; 2674de8267e0Stimh uint64_t norm = ZFS_PROP_UNDEFINED; 2675de8267e0Stimh uint64_t u8 = ZFS_PROP_UNDEFINED; 2676da6c28aaSamw 2677de8267e0Stimh ASSERT(zplprops != NULL); 2678da6c28aaSamw 2679de8267e0Stimh /* 2680de8267e0Stimh * Pull out creator prop choices, if any. 2681de8267e0Stimh */ 2682de8267e0Stimh if (createprops) { 26830a48a24eStimh (void) nvlist_lookup_uint64(createprops, 26840a48a24eStimh zfs_prop_to_name(ZFS_PROP_VERSION), &zplver); 2685de8267e0Stimh (void) nvlist_lookup_uint64(createprops, 2686de8267e0Stimh zfs_prop_to_name(ZFS_PROP_NORMALIZE), &norm); 2687de8267e0Stimh (void) nvlist_remove_all(createprops, 2688de8267e0Stimh zfs_prop_to_name(ZFS_PROP_NORMALIZE)); 2689de8267e0Stimh (void) nvlist_lookup_uint64(createprops, 2690de8267e0Stimh zfs_prop_to_name(ZFS_PROP_UTF8ONLY), &u8); 2691de8267e0Stimh (void) nvlist_remove_all(createprops, 2692de8267e0Stimh zfs_prop_to_name(ZFS_PROP_UTF8ONLY)); 2693de8267e0Stimh (void) nvlist_lookup_uint64(createprops, 2694de8267e0Stimh zfs_prop_to_name(ZFS_PROP_CASE), &sense); 2695de8267e0Stimh (void) nvlist_remove_all(createprops, 2696de8267e0Stimh zfs_prop_to_name(ZFS_PROP_CASE)); 2697de8267e0Stimh } 2698da6c28aaSamw 2699c2a93d44Stimh /* 27000a48a24eStimh * If the zpl version requested is whacky or the file system 27010a48a24eStimh * or pool is version is too "young" to support normalization 27020a48a24eStimh * and the creator tried to set a value for one of the props, 27030a48a24eStimh * error out. 2704c2a93d44Stimh */ 27050a48a24eStimh if ((zplver < ZPL_VERSION_INITIAL || zplver > ZPL_VERSION) || 27060a48a24eStimh (zplver >= ZPL_VERSION_FUID && !fuids_ok) || 27070a586ceaSMark Shellenbaum (zplver >= ZPL_VERSION_SA && !sa_ok) || 27080a48a24eStimh (zplver < ZPL_VERSION_NORMALIZATION && 2709de8267e0Stimh (norm != ZFS_PROP_UNDEFINED || u8 != ZFS_PROP_UNDEFINED || 27100a48a24eStimh sense != ZFS_PROP_UNDEFINED))) 2711de8267e0Stimh return (ENOTSUP); 2712c2a93d44Stimh 2713de8267e0Stimh /* 2714de8267e0Stimh * Put the version in the zplprops 2715de8267e0Stimh */ 2716de8267e0Stimh VERIFY(nvlist_add_uint64(zplprops, 2717de8267e0Stimh zfs_prop_to_name(ZFS_PROP_VERSION), zplver) == 0); 2718da6c28aaSamw 2719de8267e0Stimh if (norm == ZFS_PROP_UNDEFINED) 2720de8267e0Stimh VERIFY(zfs_get_zplprop(os, ZFS_PROP_NORMALIZE, &norm) == 0); 2721de8267e0Stimh VERIFY(nvlist_add_uint64(zplprops, 2722de8267e0Stimh zfs_prop_to_name(ZFS_PROP_NORMALIZE), norm) == 0); 2723da6c28aaSamw 2724c2a93d44Stimh /* 2725de8267e0Stimh * If we're normalizing, names must always be valid UTF-8 strings. 2726c2a93d44Stimh */ 2727de8267e0Stimh if (norm) 2728de8267e0Stimh u8 = 1; 2729de8267e0Stimh if (u8 == ZFS_PROP_UNDEFINED) 2730de8267e0Stimh VERIFY(zfs_get_zplprop(os, ZFS_PROP_UTF8ONLY, &u8) == 0); 2731de8267e0Stimh VERIFY(nvlist_add_uint64(zplprops, 2732de8267e0Stimh zfs_prop_to_name(ZFS_PROP_UTF8ONLY), u8) == 0); 2733de8267e0Stimh 2734de8267e0Stimh if (sense == ZFS_PROP_UNDEFINED) 2735de8267e0Stimh VERIFY(zfs_get_zplprop(os, ZFS_PROP_CASE, &sense) == 0); 2736de8267e0Stimh VERIFY(nvlist_add_uint64(zplprops, 2737de8267e0Stimh zfs_prop_to_name(ZFS_PROP_CASE), sense) == 0); 2738c2a93d44Stimh 2739ab04eb8eStimh if (is_ci) 2740ab04eb8eStimh *is_ci = (sense == ZFS_CASE_INSENSITIVE); 2741ab04eb8eStimh 2742da6c28aaSamw return (0); 2743fa9e4066Sahrens } 2744fa9e4066Sahrens 27450a48a24eStimh static int 27460a48a24eStimh zfs_fill_zplprops(const char *dataset, nvlist_t *createprops, 27470a48a24eStimh nvlist_t *zplprops, boolean_t *is_ci) 27480a48a24eStimh { 27490a586ceaSMark Shellenbaum boolean_t fuids_ok, sa_ok; 27500a48a24eStimh uint64_t zplver = ZPL_VERSION; 27510a48a24eStimh objset_t *os = NULL; 27520a48a24eStimh char parentname[MAXNAMELEN]; 27530a48a24eStimh char *cp; 27540a586ceaSMark Shellenbaum spa_t *spa; 27550a586ceaSMark Shellenbaum uint64_t spa_vers; 27560a48a24eStimh int error; 27570a48a24eStimh 27580a48a24eStimh (void) strlcpy(parentname, dataset, sizeof (parentname)); 27590a48a24eStimh cp = strrchr(parentname, '/'); 27600a48a24eStimh ASSERT(cp != NULL); 27610a48a24eStimh cp[0] = '\0'; 27620a48a24eStimh 27630a586ceaSMark Shellenbaum if ((error = spa_open(dataset, &spa, FTAG)) != 0) 27640a586ceaSMark Shellenbaum return (error); 27650a586ceaSMark Shellenbaum 27660a586ceaSMark Shellenbaum spa_vers = spa_version(spa); 27670a586ceaSMark Shellenbaum spa_close(spa, FTAG); 27680a586ceaSMark Shellenbaum 27690a586ceaSMark Shellenbaum zplver = zfs_zpl_version_map(spa_vers); 27700a586ceaSMark Shellenbaum fuids_ok = (zplver >= ZPL_VERSION_FUID); 27710a586ceaSMark Shellenbaum sa_ok = (zplver >= ZPL_VERSION_SA); 27720a48a24eStimh 27730a48a24eStimh /* 27740a48a24eStimh * Open parent object set so we can inherit zplprop values. 27750a48a24eStimh */ 2776503ad85cSMatthew Ahrens if ((error = dmu_objset_hold(parentname, FTAG, &os)) != 0) 27770a48a24eStimh return (error); 27780a48a24eStimh 27790a586ceaSMark Shellenbaum error = zfs_fill_zplprops_impl(os, zplver, fuids_ok, sa_ok, createprops, 27800a48a24eStimh zplprops, is_ci); 2781503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 27820a48a24eStimh return (error); 27830a48a24eStimh } 27840a48a24eStimh 27850a48a24eStimh static int 27860a48a24eStimh zfs_fill_zplprops_root(uint64_t spa_vers, nvlist_t *createprops, 27870a48a24eStimh nvlist_t *zplprops, boolean_t *is_ci) 27880a48a24eStimh { 27890a586ceaSMark Shellenbaum boolean_t fuids_ok; 27900a586ceaSMark Shellenbaum boolean_t sa_ok; 27910a48a24eStimh uint64_t zplver = ZPL_VERSION; 27920a48a24eStimh int error; 27930a48a24eStimh 27940a586ceaSMark Shellenbaum zplver = zfs_zpl_version_map(spa_vers); 27950a586ceaSMark Shellenbaum fuids_ok = (zplver >= ZPL_VERSION_FUID); 27960a586ceaSMark Shellenbaum sa_ok = (zplver >= ZPL_VERSION_SA); 27970a48a24eStimh 27980a586ceaSMark Shellenbaum error = zfs_fill_zplprops_impl(NULL, zplver, fuids_ok, sa_ok, 27990a586ceaSMark Shellenbaum createprops, zplprops, is_ci); 28000a48a24eStimh return (error); 28010a48a24eStimh } 28020a48a24eStimh 28033cb34c60Sahrens /* 28043cb34c60Sahrens * inputs: 28053cb34c60Sahrens * zc_objset_type type of objset to create (fs vs zvol) 28063cb34c60Sahrens * zc_name name of new objset 28073cb34c60Sahrens * zc_value name of snapshot to clone from (may be empty) 28083cb34c60Sahrens * zc_nvlist_src{_size} nvlist of properties to apply 28093cb34c60Sahrens * 2810de8267e0Stimh * outputs: none 28113cb34c60Sahrens */ 2812fa9e4066Sahrens static int 2813fa9e4066Sahrens zfs_ioc_create(zfs_cmd_t *zc) 2814fa9e4066Sahrens { 2815fa9e4066Sahrens objset_t *clone; 2816fa9e4066Sahrens int error = 0; 2817da6c28aaSamw zfs_creat_t zct; 2818ecd6cf80Smarks nvlist_t *nvprops = NULL; 2819ecd6cf80Smarks void (*cbfunc)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx); 2820fa9e4066Sahrens dmu_objset_type_t type = zc->zc_objset_type; 2821fa9e4066Sahrens 2822fa9e4066Sahrens switch (type) { 2823fa9e4066Sahrens 2824fa9e4066Sahrens case DMU_OST_ZFS: 2825fa9e4066Sahrens cbfunc = zfs_create_cb; 2826fa9e4066Sahrens break; 2827fa9e4066Sahrens 2828fa9e4066Sahrens case DMU_OST_ZVOL: 2829fa9e4066Sahrens cbfunc = zvol_create_cb; 2830fa9e4066Sahrens break; 2831fa9e4066Sahrens 2832fa9e4066Sahrens default: 28331d452cf5Sahrens cbfunc = NULL; 2834e7cbe64fSgw break; 2835fa9e4066Sahrens } 2836f18faf3fSek if (strchr(zc->zc_name, '@') || 2837f18faf3fSek strchr(zc->zc_name, '%')) 28381d452cf5Sahrens return (EINVAL); 2839fa9e4066Sahrens 2840e9dbad6fSeschrock if (zc->zc_nvlist_src != NULL && 2841990b4856Slling (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 2842478ed9adSEric Taylor zc->zc_iflags, &nvprops)) != 0) 2843e9dbad6fSeschrock return (error); 2844e9dbad6fSeschrock 2845de8267e0Stimh zct.zct_zplprops = NULL; 2846da6c28aaSamw zct.zct_props = nvprops; 2847da6c28aaSamw 2848e9dbad6fSeschrock if (zc->zc_value[0] != '\0') { 2849fa9e4066Sahrens /* 2850fa9e4066Sahrens * We're creating a clone of an existing snapshot. 2851fa9e4066Sahrens */ 2852e9dbad6fSeschrock zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; 2853e9dbad6fSeschrock if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0) { 2854ecd6cf80Smarks nvlist_free(nvprops); 2855fa9e4066Sahrens return (EINVAL); 2856e9dbad6fSeschrock } 2857fa9e4066Sahrens 2858503ad85cSMatthew Ahrens error = dmu_objset_hold(zc->zc_value, FTAG, &clone); 2859e9dbad6fSeschrock if (error) { 2860ecd6cf80Smarks nvlist_free(nvprops); 2861fa9e4066Sahrens return (error); 2862e9dbad6fSeschrock } 2863ab04eb8eStimh 2864ae46e4c7SMatthew Ahrens error = dmu_objset_clone(zc->zc_name, dmu_objset_ds(clone), 0); 2865503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 2866da6c28aaSamw if (error) { 2867da6c28aaSamw nvlist_free(nvprops); 2868da6c28aaSamw return (error); 2869da6c28aaSamw } 2870fa9e4066Sahrens } else { 2871ab04eb8eStimh boolean_t is_insensitive = B_FALSE; 2872ab04eb8eStimh 2873e9dbad6fSeschrock if (cbfunc == NULL) { 2874ecd6cf80Smarks nvlist_free(nvprops); 28751d452cf5Sahrens return (EINVAL); 2876e9dbad6fSeschrock } 28775c5460e9Seschrock 2878e9dbad6fSeschrock if (type == DMU_OST_ZVOL) { 2879e9dbad6fSeschrock uint64_t volsize, volblocksize; 2880e9dbad6fSeschrock 2881ecd6cf80Smarks if (nvprops == NULL || 2882ecd6cf80Smarks nvlist_lookup_uint64(nvprops, 2883e9dbad6fSeschrock zfs_prop_to_name(ZFS_PROP_VOLSIZE), 2884e9dbad6fSeschrock &volsize) != 0) { 2885ecd6cf80Smarks nvlist_free(nvprops); 2886e9dbad6fSeschrock return (EINVAL); 2887e9dbad6fSeschrock } 2888e9dbad6fSeschrock 2889ecd6cf80Smarks if ((error = nvlist_lookup_uint64(nvprops, 2890e9dbad6fSeschrock zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), 2891e9dbad6fSeschrock &volblocksize)) != 0 && error != ENOENT) { 2892ecd6cf80Smarks nvlist_free(nvprops); 2893e9dbad6fSeschrock return (EINVAL); 2894e9dbad6fSeschrock } 2895e9dbad6fSeschrock 2896e9dbad6fSeschrock if (error != 0) 2897e9dbad6fSeschrock volblocksize = zfs_prop_default_numeric( 2898e9dbad6fSeschrock ZFS_PROP_VOLBLOCKSIZE); 2899e9dbad6fSeschrock 2900e9dbad6fSeschrock if ((error = zvol_check_volblocksize( 2901e9dbad6fSeschrock volblocksize)) != 0 || 2902e9dbad6fSeschrock (error = zvol_check_volsize(volsize, 2903e9dbad6fSeschrock volblocksize)) != 0) { 2904ecd6cf80Smarks nvlist_free(nvprops); 29055c5460e9Seschrock return (error); 2906e9dbad6fSeschrock } 2907e7437265Sahrens } else if (type == DMU_OST_ZFS) { 2908da6c28aaSamw int error; 2909da6c28aaSamw 2910da6c28aaSamw /* 2911da6c28aaSamw * We have to have normalization and 2912da6c28aaSamw * case-folding flags correct when we do the 2913da6c28aaSamw * file system creation, so go figure them out 2914de8267e0Stimh * now. 2915da6c28aaSamw */ 2916de8267e0Stimh VERIFY(nvlist_alloc(&zct.zct_zplprops, 2917de8267e0Stimh NV_UNIQUE_NAME, KM_SLEEP) == 0); 2918de8267e0Stimh error = zfs_fill_zplprops(zc->zc_name, nvprops, 29190a48a24eStimh zct.zct_zplprops, &is_insensitive); 2920da6c28aaSamw if (error != 0) { 2921da6c28aaSamw nvlist_free(nvprops); 2922de8267e0Stimh nvlist_free(zct.zct_zplprops); 2923da6c28aaSamw return (error); 2924da6c28aaSamw } 2925da6c28aaSamw } 2926ae46e4c7SMatthew Ahrens error = dmu_objset_create(zc->zc_name, type, 2927ab04eb8eStimh is_insensitive ? DS_FLAG_CI_DATASET : 0, cbfunc, &zct); 2928de8267e0Stimh nvlist_free(zct.zct_zplprops); 2929fa9e4066Sahrens } 2930e9dbad6fSeschrock 2931e9dbad6fSeschrock /* 2932e9dbad6fSeschrock * It would be nice to do this atomically. 2933e9dbad6fSeschrock */ 2934e9dbad6fSeschrock if (error == 0) { 293592241e0bSTom Erickson error = zfs_set_prop_nvlist(zc->zc_name, ZPROP_SRC_LOCAL, 293692241e0bSTom Erickson nvprops, NULL); 293792241e0bSTom Erickson if (error != 0) 2938842727c2SChris Kirby (void) dmu_objset_destroy(zc->zc_name, B_FALSE); 2939e9dbad6fSeschrock } 2940ecd6cf80Smarks nvlist_free(nvprops); 2941fa9e4066Sahrens return (error); 2942fa9e4066Sahrens } 2943fa9e4066Sahrens 29443cb34c60Sahrens /* 29453cb34c60Sahrens * inputs: 29463cb34c60Sahrens * zc_name name of filesystem 29473cb34c60Sahrens * zc_value short name of snapshot 29483cb34c60Sahrens * zc_cookie recursive flag 294914843421SMatthew Ahrens * zc_nvlist_src[_size] property list 29503cb34c60Sahrens * 2951681d9761SEric Taylor * outputs: 2952681d9761SEric Taylor * zc_value short snapname (i.e. part after the '@') 29533cb34c60Sahrens */ 2954fa9e4066Sahrens static int 29551d452cf5Sahrens zfs_ioc_snapshot(zfs_cmd_t *zc) 2956fa9e4066Sahrens { 2957bb0ade09Sahrens nvlist_t *nvprops = NULL; 2958bb0ade09Sahrens int error; 2959bb0ade09Sahrens boolean_t recursive = zc->zc_cookie; 2960bb0ade09Sahrens 2961e9dbad6fSeschrock if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) 29621d452cf5Sahrens return (EINVAL); 2963bb0ade09Sahrens 2964bb0ade09Sahrens if (zc->zc_nvlist_src != NULL && 2965bb0ade09Sahrens (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 2966478ed9adSEric Taylor zc->zc_iflags, &nvprops)) != 0) 2967bb0ade09Sahrens return (error); 2968bb0ade09Sahrens 2969ea2f5b9eSMatthew Ahrens error = zfs_check_userprops(zc->zc_name, nvprops); 2970ea2f5b9eSMatthew Ahrens if (error) 2971ea2f5b9eSMatthew Ahrens goto out; 2972bb0ade09Sahrens 297392241e0bSTom Erickson if (!nvlist_empty(nvprops) && 2974ea2f5b9eSMatthew Ahrens zfs_earlier_version(zc->zc_name, SPA_VERSION_SNAP_PROPS)) { 2975ea2f5b9eSMatthew Ahrens error = ENOTSUP; 2976ea2f5b9eSMatthew Ahrens goto out; 2977bb0ade09Sahrens } 2978ea2f5b9eSMatthew Ahrens 2979ea2f5b9eSMatthew Ahrens error = dmu_objset_snapshot(zc->zc_name, zc->zc_value, 2980ea2f5b9eSMatthew Ahrens nvprops, recursive); 2981ea2f5b9eSMatthew Ahrens 2982ea2f5b9eSMatthew Ahrens out: 2983bb0ade09Sahrens nvlist_free(nvprops); 2984bb0ade09Sahrens return (error); 29851d452cf5Sahrens } 2986fa9e4066Sahrens 2987cdf5b4caSmmusante int 2988fd136879SMatthew Ahrens zfs_unmount_snap(const char *name, void *arg) 29891d452cf5Sahrens { 29900b69c2f0Sahrens vfs_t *vfsp = NULL; 29911d452cf5Sahrens 2992745cd3c5Smaybee if (arg) { 2993745cd3c5Smaybee char *snapname = arg; 2994fd136879SMatthew Ahrens char *fullname = kmem_asprintf("%s@%s", name, snapname); 2995fd136879SMatthew Ahrens vfsp = zfs_get_vfs(fullname); 2996fd136879SMatthew Ahrens strfree(fullname); 29970b69c2f0Sahrens } else if (strchr(name, '@')) { 29981d452cf5Sahrens vfsp = zfs_get_vfs(name); 29991d452cf5Sahrens } 30001d452cf5Sahrens 30011d452cf5Sahrens if (vfsp) { 3002fa9e4066Sahrens /* 30031d452cf5Sahrens * Always force the unmount for snapshots. 3004fa9e4066Sahrens */ 30051d452cf5Sahrens int flag = MS_FORCE; 30061d452cf5Sahrens int err; 30071d452cf5Sahrens 30081d452cf5Sahrens if ((err = vn_vfswlock(vfsp->vfs_vnodecovered)) != 0) { 3009fa9e4066Sahrens VFS_RELE(vfsp); 30101d452cf5Sahrens return (err); 3011fa9e4066Sahrens } 30121d452cf5Sahrens VFS_RELE(vfsp); 30131d452cf5Sahrens if ((err = dounmount(vfsp, flag, kcred)) != 0) 30141d452cf5Sahrens return (err); 30151d452cf5Sahrens } 30161d452cf5Sahrens return (0); 30171d452cf5Sahrens } 30181d452cf5Sahrens 30193cb34c60Sahrens /* 30203cb34c60Sahrens * inputs: 3021842727c2SChris Kirby * zc_name name of filesystem 3022842727c2SChris Kirby * zc_value short name of snapshot 3023842727c2SChris Kirby * zc_defer_destroy mark for deferred destroy 30243cb34c60Sahrens * 30253cb34c60Sahrens * outputs: none 30263cb34c60Sahrens */ 30271d452cf5Sahrens static int 30281d452cf5Sahrens zfs_ioc_destroy_snaps(zfs_cmd_t *zc) 30291d452cf5Sahrens { 30301d452cf5Sahrens int err; 30311d452cf5Sahrens 3032e9dbad6fSeschrock if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) 30331d452cf5Sahrens return (EINVAL); 30341d452cf5Sahrens err = dmu_objset_find(zc->zc_name, 3035e9dbad6fSeschrock zfs_unmount_snap, zc->zc_value, DS_FIND_CHILDREN); 30361d452cf5Sahrens if (err) 30371d452cf5Sahrens return (err); 3038842727c2SChris Kirby return (dmu_snapshots_destroy(zc->zc_name, zc->zc_value, 3039842727c2SChris Kirby zc->zc_defer_destroy)); 30401d452cf5Sahrens } 30411d452cf5Sahrens 30423cb34c60Sahrens /* 30433cb34c60Sahrens * inputs: 30443cb34c60Sahrens * zc_name name of dataset to destroy 30453cb34c60Sahrens * zc_objset_type type of objset 3046842727c2SChris Kirby * zc_defer_destroy mark for deferred destroy 30473cb34c60Sahrens * 30483cb34c60Sahrens * outputs: none 30493cb34c60Sahrens */ 30501d452cf5Sahrens static int 30511d452cf5Sahrens zfs_ioc_destroy(zfs_cmd_t *zc) 30521d452cf5Sahrens { 3053681d9761SEric Taylor int err; 30541d452cf5Sahrens if (strchr(zc->zc_name, '@') && zc->zc_objset_type == DMU_OST_ZFS) { 3055681d9761SEric Taylor err = zfs_unmount_snap(zc->zc_name, NULL); 30561d452cf5Sahrens if (err) 30571d452cf5Sahrens return (err); 3058fa9e4066Sahrens } 3059fa9e4066Sahrens 3060681d9761SEric Taylor err = dmu_objset_destroy(zc->zc_name, zc->zc_defer_destroy); 3061681d9761SEric Taylor if (zc->zc_objset_type == DMU_OST_ZVOL && err == 0) 30625c987a37SChris Kirby (void) zvol_remove_minor(zc->zc_name); 3063681d9761SEric Taylor return (err); 3064fa9e4066Sahrens } 3065fa9e4066Sahrens 30663cb34c60Sahrens /* 30673cb34c60Sahrens * inputs: 30684ccbb6e7Sahrens * zc_name name of dataset to rollback (to most recent snapshot) 30693cb34c60Sahrens * 30703cb34c60Sahrens * outputs: none 30713cb34c60Sahrens */ 3072fa9e4066Sahrens static int 3073fa9e4066Sahrens zfs_ioc_rollback(zfs_cmd_t *zc) 3074fa9e4066Sahrens { 3075ae46e4c7SMatthew Ahrens dsl_dataset_t *ds, *clone; 30764ccbb6e7Sahrens int error; 3077ae46e4c7SMatthew Ahrens zfsvfs_t *zfsvfs; 3078ae46e4c7SMatthew Ahrens char *clone_name; 3079ae46e4c7SMatthew Ahrens 3080ae46e4c7SMatthew Ahrens error = dsl_dataset_hold(zc->zc_name, FTAG, &ds); 3081ae46e4c7SMatthew Ahrens if (error) 3082ae46e4c7SMatthew Ahrens return (error); 3083ae46e4c7SMatthew Ahrens 3084ae46e4c7SMatthew Ahrens /* must not be a snapshot */ 3085ae46e4c7SMatthew Ahrens if (dsl_dataset_is_snapshot(ds)) { 3086ae46e4c7SMatthew Ahrens dsl_dataset_rele(ds, FTAG); 3087ae46e4c7SMatthew Ahrens return (EINVAL); 3088ae46e4c7SMatthew Ahrens } 3089ae46e4c7SMatthew Ahrens 3090ae46e4c7SMatthew Ahrens /* must have a most recent snapshot */ 3091ae46e4c7SMatthew Ahrens if (ds->ds_phys->ds_prev_snap_txg < TXG_INITIAL) { 3092ae46e4c7SMatthew Ahrens dsl_dataset_rele(ds, FTAG); 3093ae46e4c7SMatthew Ahrens return (EINVAL); 3094ae46e4c7SMatthew Ahrens } 30954ccbb6e7Sahrens 30964ccbb6e7Sahrens /* 3097ae46e4c7SMatthew Ahrens * Create clone of most recent snapshot. 30984ccbb6e7Sahrens */ 3099ae46e4c7SMatthew Ahrens clone_name = kmem_asprintf("%s/%%rollback", zc->zc_name); 3100ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone_name, ds->ds_prev, DS_FLAG_INCONSISTENT); 31014ccbb6e7Sahrens if (error) 3102ae46e4c7SMatthew Ahrens goto out; 31034ccbb6e7Sahrens 3104503ad85cSMatthew Ahrens error = dsl_dataset_own(clone_name, B_TRUE, FTAG, &clone); 3105ae46e4c7SMatthew Ahrens if (error) 3106ae46e4c7SMatthew Ahrens goto out; 3107ae46e4c7SMatthew Ahrens 3108ae46e4c7SMatthew Ahrens /* 3109ae46e4c7SMatthew Ahrens * Do clone swap. 3110ae46e4c7SMatthew Ahrens */ 311114843421SMatthew Ahrens if (getzfsvfs(zc->zc_name, &zfsvfs) == 0) { 3112503ad85cSMatthew Ahrens error = zfs_suspend_fs(zfsvfs); 311347f263f4Sek if (error == 0) { 311447f263f4Sek int resume_err; 31154ccbb6e7Sahrens 3116ae46e4c7SMatthew Ahrens if (dsl_dataset_tryown(ds, B_FALSE, FTAG)) { 3117ae46e4c7SMatthew Ahrens error = dsl_dataset_clone_swap(clone, ds, 3118ae46e4c7SMatthew Ahrens B_TRUE); 3119ae46e4c7SMatthew Ahrens dsl_dataset_disown(ds, FTAG); 3120ae46e4c7SMatthew Ahrens ds = NULL; 3121ae46e4c7SMatthew Ahrens } else { 3122ae46e4c7SMatthew Ahrens error = EBUSY; 3123ae46e4c7SMatthew Ahrens } 3124503ad85cSMatthew Ahrens resume_err = zfs_resume_fs(zfsvfs, zc->zc_name); 312547f263f4Sek error = error ? error : resume_err; 312647f263f4Sek } 31274ccbb6e7Sahrens VFS_RELE(zfsvfs->z_vfs); 31284ccbb6e7Sahrens } else { 3129ae46e4c7SMatthew Ahrens if (dsl_dataset_tryown(ds, B_FALSE, FTAG)) { 3130ae46e4c7SMatthew Ahrens error = dsl_dataset_clone_swap(clone, ds, B_TRUE); 3131ae46e4c7SMatthew Ahrens dsl_dataset_disown(ds, FTAG); 3132ae46e4c7SMatthew Ahrens ds = NULL; 3133ae46e4c7SMatthew Ahrens } else { 3134ae46e4c7SMatthew Ahrens error = EBUSY; 3135ae46e4c7SMatthew Ahrens } 31364ccbb6e7Sahrens } 31374ccbb6e7Sahrens 3138ae46e4c7SMatthew Ahrens /* 3139ae46e4c7SMatthew Ahrens * Destroy clone (which also closes it). 3140ae46e4c7SMatthew Ahrens */ 3141ae46e4c7SMatthew Ahrens (void) dsl_dataset_destroy(clone, FTAG, B_FALSE); 3142ae46e4c7SMatthew Ahrens 3143ae46e4c7SMatthew Ahrens out: 3144ae46e4c7SMatthew Ahrens strfree(clone_name); 3145ae46e4c7SMatthew Ahrens if (ds) 3146ae46e4c7SMatthew Ahrens dsl_dataset_rele(ds, FTAG); 31474ccbb6e7Sahrens return (error); 3148fa9e4066Sahrens } 3149fa9e4066Sahrens 31503cb34c60Sahrens /* 31513cb34c60Sahrens * inputs: 31523cb34c60Sahrens * zc_name old name of dataset 31533cb34c60Sahrens * zc_value new name of dataset 31543cb34c60Sahrens * zc_cookie recursive flag (only valid for snapshots) 31553cb34c60Sahrens * 31563cb34c60Sahrens * outputs: none 31573cb34c60Sahrens */ 3158fa9e4066Sahrens static int 3159fa9e4066Sahrens zfs_ioc_rename(zfs_cmd_t *zc) 3160fa9e4066Sahrens { 31617f1f55eaSvb boolean_t recursive = zc->zc_cookie & 1; 3162cdf5b4caSmmusante 3163e9dbad6fSeschrock zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; 3164f18faf3fSek if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || 3165f18faf3fSek strchr(zc->zc_value, '%')) 3166fa9e4066Sahrens return (EINVAL); 3167fa9e4066Sahrens 3168cdf5b4caSmmusante /* 3169cdf5b4caSmmusante * Unmount snapshot unless we're doing a recursive rename, 3170cdf5b4caSmmusante * in which case the dataset code figures out which snapshots 3171cdf5b4caSmmusante * to unmount. 3172cdf5b4caSmmusante */ 3173cdf5b4caSmmusante if (!recursive && strchr(zc->zc_name, '@') != NULL && 3174fa9e4066Sahrens zc->zc_objset_type == DMU_OST_ZFS) { 31751d452cf5Sahrens int err = zfs_unmount_snap(zc->zc_name, NULL); 31761d452cf5Sahrens if (err) 31771d452cf5Sahrens return (err); 3178fa9e4066Sahrens } 3179681d9761SEric Taylor if (zc->zc_objset_type == DMU_OST_ZVOL) 3180681d9761SEric Taylor (void) zvol_remove_minor(zc->zc_name); 3181cdf5b4caSmmusante return (dmu_objset_rename(zc->zc_name, zc->zc_value, recursive)); 3182fa9e4066Sahrens } 3183fa9e4066Sahrens 318492241e0bSTom Erickson static int 318592241e0bSTom Erickson zfs_check_settable(const char *dsname, nvpair_t *pair, cred_t *cr) 318692241e0bSTom Erickson { 318792241e0bSTom Erickson const char *propname = nvpair_name(pair); 318892241e0bSTom Erickson boolean_t issnap = (strchr(dsname, '@') != NULL); 318992241e0bSTom Erickson zfs_prop_t prop = zfs_name_to_prop(propname); 319092241e0bSTom Erickson uint64_t intval; 319192241e0bSTom Erickson int err; 319292241e0bSTom Erickson 319392241e0bSTom Erickson if (prop == ZPROP_INVAL) { 319492241e0bSTom Erickson if (zfs_prop_user(propname)) { 319592241e0bSTom Erickson if (err = zfs_secpolicy_write_perms(dsname, 319692241e0bSTom Erickson ZFS_DELEG_PERM_USERPROP, cr)) 319792241e0bSTom Erickson return (err); 319892241e0bSTom Erickson return (0); 319992241e0bSTom Erickson } 320092241e0bSTom Erickson 320192241e0bSTom Erickson if (!issnap && zfs_prop_userquota(propname)) { 320292241e0bSTom Erickson const char *perm = NULL; 320392241e0bSTom Erickson const char *uq_prefix = 320492241e0bSTom Erickson zfs_userquota_prop_prefixes[ZFS_PROP_USERQUOTA]; 320592241e0bSTom Erickson const char *gq_prefix = 320692241e0bSTom Erickson zfs_userquota_prop_prefixes[ZFS_PROP_GROUPQUOTA]; 320792241e0bSTom Erickson 320892241e0bSTom Erickson if (strncmp(propname, uq_prefix, 320992241e0bSTom Erickson strlen(uq_prefix)) == 0) { 321092241e0bSTom Erickson perm = ZFS_DELEG_PERM_USERQUOTA; 321192241e0bSTom Erickson } else if (strncmp(propname, gq_prefix, 321292241e0bSTom Erickson strlen(gq_prefix)) == 0) { 321392241e0bSTom Erickson perm = ZFS_DELEG_PERM_GROUPQUOTA; 321492241e0bSTom Erickson } else { 321592241e0bSTom Erickson /* USERUSED and GROUPUSED are read-only */ 321692241e0bSTom Erickson return (EINVAL); 321792241e0bSTom Erickson } 321892241e0bSTom Erickson 321992241e0bSTom Erickson if (err = zfs_secpolicy_write_perms(dsname, perm, cr)) 322092241e0bSTom Erickson return (err); 322192241e0bSTom Erickson return (0); 322292241e0bSTom Erickson } 322392241e0bSTom Erickson 322492241e0bSTom Erickson return (EINVAL); 322592241e0bSTom Erickson } 322692241e0bSTom Erickson 322792241e0bSTom Erickson if (issnap) 322892241e0bSTom Erickson return (EINVAL); 322992241e0bSTom Erickson 323092241e0bSTom Erickson if (nvpair_type(pair) == DATA_TYPE_NVLIST) { 323192241e0bSTom Erickson /* 323292241e0bSTom Erickson * dsl_prop_get_all_impl() returns properties in this 323392241e0bSTom Erickson * format. 323492241e0bSTom Erickson */ 323592241e0bSTom Erickson nvlist_t *attrs; 323692241e0bSTom Erickson VERIFY(nvpair_value_nvlist(pair, &attrs) == 0); 323792241e0bSTom Erickson VERIFY(nvlist_lookup_nvpair(attrs, ZPROP_VALUE, 323892241e0bSTom Erickson &pair) == 0); 323992241e0bSTom Erickson } 324092241e0bSTom Erickson 324192241e0bSTom Erickson /* 324292241e0bSTom Erickson * Check that this value is valid for this pool version 324392241e0bSTom Erickson */ 324492241e0bSTom Erickson switch (prop) { 324592241e0bSTom Erickson case ZFS_PROP_COMPRESSION: 324692241e0bSTom Erickson /* 324792241e0bSTom Erickson * If the user specified gzip compression, make sure 324892241e0bSTom Erickson * the SPA supports it. We ignore any errors here since 324992241e0bSTom Erickson * we'll catch them later. 325092241e0bSTom Erickson */ 325192241e0bSTom Erickson if (nvpair_type(pair) == DATA_TYPE_UINT64 && 325292241e0bSTom Erickson nvpair_value_uint64(pair, &intval) == 0) { 325392241e0bSTom Erickson if (intval >= ZIO_COMPRESS_GZIP_1 && 325492241e0bSTom Erickson intval <= ZIO_COMPRESS_GZIP_9 && 325592241e0bSTom Erickson zfs_earlier_version(dsname, 325692241e0bSTom Erickson SPA_VERSION_GZIP_COMPRESSION)) { 325792241e0bSTom Erickson return (ENOTSUP); 325892241e0bSTom Erickson } 325992241e0bSTom Erickson 326092241e0bSTom Erickson if (intval == ZIO_COMPRESS_ZLE && 326192241e0bSTom Erickson zfs_earlier_version(dsname, 326292241e0bSTom Erickson SPA_VERSION_ZLE_COMPRESSION)) 326392241e0bSTom Erickson return (ENOTSUP); 326492241e0bSTom Erickson 326592241e0bSTom Erickson /* 326692241e0bSTom Erickson * If this is a bootable dataset then 326792241e0bSTom Erickson * verify that the compression algorithm 326892241e0bSTom Erickson * is supported for booting. We must return 326992241e0bSTom Erickson * something other than ENOTSUP since it 327092241e0bSTom Erickson * implies a downrev pool version. 327192241e0bSTom Erickson */ 327292241e0bSTom Erickson if (zfs_is_bootfs(dsname) && 327392241e0bSTom Erickson !BOOTFS_COMPRESS_VALID(intval)) { 327492241e0bSTom Erickson return (ERANGE); 327592241e0bSTom Erickson } 327692241e0bSTom Erickson } 327792241e0bSTom Erickson break; 327892241e0bSTom Erickson 327992241e0bSTom Erickson case ZFS_PROP_COPIES: 328092241e0bSTom Erickson if (zfs_earlier_version(dsname, SPA_VERSION_DITTO_BLOCKS)) 328192241e0bSTom Erickson return (ENOTSUP); 328292241e0bSTom Erickson break; 328392241e0bSTom Erickson 328492241e0bSTom Erickson case ZFS_PROP_DEDUP: 328592241e0bSTom Erickson if (zfs_earlier_version(dsname, SPA_VERSION_DEDUP)) 328692241e0bSTom Erickson return (ENOTSUP); 328792241e0bSTom Erickson break; 328892241e0bSTom Erickson 328992241e0bSTom Erickson case ZFS_PROP_SHARESMB: 329092241e0bSTom Erickson if (zpl_earlier_version(dsname, ZPL_VERSION_FUID)) 329192241e0bSTom Erickson return (ENOTSUP); 329292241e0bSTom Erickson break; 329392241e0bSTom Erickson 329492241e0bSTom Erickson case ZFS_PROP_ACLINHERIT: 329592241e0bSTom Erickson if (nvpair_type(pair) == DATA_TYPE_UINT64 && 329692241e0bSTom Erickson nvpair_value_uint64(pair, &intval) == 0) { 329792241e0bSTom Erickson if (intval == ZFS_ACL_PASSTHROUGH_X && 329892241e0bSTom Erickson zfs_earlier_version(dsname, 329992241e0bSTom Erickson SPA_VERSION_PASSTHROUGH_X)) 330092241e0bSTom Erickson return (ENOTSUP); 330192241e0bSTom Erickson } 330292241e0bSTom Erickson break; 330392241e0bSTom Erickson } 330492241e0bSTom Erickson 330592241e0bSTom Erickson return (zfs_secpolicy_setprop(dsname, prop, pair, CRED())); 330692241e0bSTom Erickson } 330792241e0bSTom Erickson 330892241e0bSTom Erickson /* 330992241e0bSTom Erickson * Removes properties from the given props list that fail permission checks 331092241e0bSTom Erickson * needed to clear them and to restore them in case of a receive error. For each 331192241e0bSTom Erickson * property, make sure we have both set and inherit permissions. 331292241e0bSTom Erickson * 331392241e0bSTom Erickson * Returns the first error encountered if any permission checks fail. If the 331492241e0bSTom Erickson * caller provides a non-NULL errlist, it also gives the complete list of names 331592241e0bSTom Erickson * of all the properties that failed a permission check along with the 331692241e0bSTom Erickson * corresponding error numbers. The caller is responsible for freeing the 331792241e0bSTom Erickson * returned errlist. 331892241e0bSTom Erickson * 331992241e0bSTom Erickson * If every property checks out successfully, zero is returned and the list 332092241e0bSTom Erickson * pointed at by errlist is NULL. 332192241e0bSTom Erickson */ 332292241e0bSTom Erickson static int 332392241e0bSTom Erickson zfs_check_clearable(char *dataset, nvlist_t *props, nvlist_t **errlist) 3324745cd3c5Smaybee { 3325745cd3c5Smaybee zfs_cmd_t *zc; 332692241e0bSTom Erickson nvpair_t *pair, *next_pair; 332792241e0bSTom Erickson nvlist_t *errors; 332892241e0bSTom Erickson int err, rv = 0; 3329745cd3c5Smaybee 3330745cd3c5Smaybee if (props == NULL) 333192241e0bSTom Erickson return (0); 333292241e0bSTom Erickson 333392241e0bSTom Erickson VERIFY(nvlist_alloc(&errors, NV_UNIQUE_NAME, KM_SLEEP) == 0); 333492241e0bSTom Erickson 3335745cd3c5Smaybee zc = kmem_alloc(sizeof (zfs_cmd_t), KM_SLEEP); 3336745cd3c5Smaybee (void) strcpy(zc->zc_name, dataset); 333792241e0bSTom Erickson pair = nvlist_next_nvpair(props, NULL); 333892241e0bSTom Erickson while (pair != NULL) { 333992241e0bSTom Erickson next_pair = nvlist_next_nvpair(props, pair); 334092241e0bSTom Erickson 334192241e0bSTom Erickson (void) strcpy(zc->zc_value, nvpair_name(pair)); 334292241e0bSTom Erickson if ((err = zfs_check_settable(dataset, pair, CRED())) != 0 || 334392241e0bSTom Erickson (err = zfs_secpolicy_inherit(zc, CRED())) != 0) { 334492241e0bSTom Erickson VERIFY(nvlist_remove_nvpair(props, pair) == 0); 334592241e0bSTom Erickson VERIFY(nvlist_add_int32(errors, 334692241e0bSTom Erickson zc->zc_value, err) == 0); 334792241e0bSTom Erickson } 334892241e0bSTom Erickson pair = next_pair; 3349745cd3c5Smaybee } 3350745cd3c5Smaybee kmem_free(zc, sizeof (zfs_cmd_t)); 335192241e0bSTom Erickson 335292241e0bSTom Erickson if ((pair = nvlist_next_nvpair(errors, NULL)) == NULL) { 335392241e0bSTom Erickson nvlist_free(errors); 335492241e0bSTom Erickson errors = NULL; 335592241e0bSTom Erickson } else { 335692241e0bSTom Erickson VERIFY(nvpair_value_int32(pair, &rv) == 0); 335792241e0bSTom Erickson } 335892241e0bSTom Erickson 335992241e0bSTom Erickson if (errlist == NULL) 336092241e0bSTom Erickson nvlist_free(errors); 336192241e0bSTom Erickson else 336292241e0bSTom Erickson *errlist = errors; 336392241e0bSTom Erickson 336492241e0bSTom Erickson return (rv); 336592241e0bSTom Erickson } 336692241e0bSTom Erickson 336792241e0bSTom Erickson static boolean_t 336892241e0bSTom Erickson propval_equals(nvpair_t *p1, nvpair_t *p2) 336992241e0bSTom Erickson { 337092241e0bSTom Erickson if (nvpair_type(p1) == DATA_TYPE_NVLIST) { 337192241e0bSTom Erickson /* dsl_prop_get_all_impl() format */ 337292241e0bSTom Erickson nvlist_t *attrs; 337392241e0bSTom Erickson VERIFY(nvpair_value_nvlist(p1, &attrs) == 0); 337492241e0bSTom Erickson VERIFY(nvlist_lookup_nvpair(attrs, ZPROP_VALUE, 337592241e0bSTom Erickson &p1) == 0); 337692241e0bSTom Erickson } 337792241e0bSTom Erickson 337892241e0bSTom Erickson if (nvpair_type(p2) == DATA_TYPE_NVLIST) { 337992241e0bSTom Erickson nvlist_t *attrs; 338092241e0bSTom Erickson VERIFY(nvpair_value_nvlist(p2, &attrs) == 0); 338192241e0bSTom Erickson VERIFY(nvlist_lookup_nvpair(attrs, ZPROP_VALUE, 338292241e0bSTom Erickson &p2) == 0); 338392241e0bSTom Erickson } 338492241e0bSTom Erickson 338592241e0bSTom Erickson if (nvpair_type(p1) != nvpair_type(p2)) 338692241e0bSTom Erickson return (B_FALSE); 338792241e0bSTom Erickson 338892241e0bSTom Erickson if (nvpair_type(p1) == DATA_TYPE_STRING) { 338992241e0bSTom Erickson char *valstr1, *valstr2; 339092241e0bSTom Erickson 339192241e0bSTom Erickson VERIFY(nvpair_value_string(p1, (char **)&valstr1) == 0); 339292241e0bSTom Erickson VERIFY(nvpair_value_string(p2, (char **)&valstr2) == 0); 339392241e0bSTom Erickson return (strcmp(valstr1, valstr2) == 0); 339492241e0bSTom Erickson } else { 339592241e0bSTom Erickson uint64_t intval1, intval2; 339692241e0bSTom Erickson 339792241e0bSTom Erickson VERIFY(nvpair_value_uint64(p1, &intval1) == 0); 339892241e0bSTom Erickson VERIFY(nvpair_value_uint64(p2, &intval2) == 0); 339992241e0bSTom Erickson return (intval1 == intval2); 340092241e0bSTom Erickson } 3401745cd3c5Smaybee } 3402745cd3c5Smaybee 340392241e0bSTom Erickson /* 340492241e0bSTom Erickson * Remove properties from props if they are not going to change (as determined 340592241e0bSTom Erickson * by comparison with origprops). Remove them from origprops as well, since we 340692241e0bSTom Erickson * do not need to clear or restore properties that won't change. 340792241e0bSTom Erickson */ 340892241e0bSTom Erickson static void 340992241e0bSTom Erickson props_reduce(nvlist_t *props, nvlist_t *origprops) 341092241e0bSTom Erickson { 341192241e0bSTom Erickson nvpair_t *pair, *next_pair; 341292241e0bSTom Erickson 341392241e0bSTom Erickson if (origprops == NULL) 341492241e0bSTom Erickson return; /* all props need to be received */ 341592241e0bSTom Erickson 341692241e0bSTom Erickson pair = nvlist_next_nvpair(props, NULL); 341792241e0bSTom Erickson while (pair != NULL) { 341892241e0bSTom Erickson const char *propname = nvpair_name(pair); 341992241e0bSTom Erickson nvpair_t *match; 342092241e0bSTom Erickson 342192241e0bSTom Erickson next_pair = nvlist_next_nvpair(props, pair); 342292241e0bSTom Erickson 342392241e0bSTom Erickson if ((nvlist_lookup_nvpair(origprops, propname, 342492241e0bSTom Erickson &match) != 0) || !propval_equals(pair, match)) 342592241e0bSTom Erickson goto next; /* need to set received value */ 342692241e0bSTom Erickson 342792241e0bSTom Erickson /* don't clear the existing received value */ 342892241e0bSTom Erickson (void) nvlist_remove_nvpair(origprops, match); 342992241e0bSTom Erickson /* don't bother receiving the property */ 343092241e0bSTom Erickson (void) nvlist_remove_nvpair(props, pair); 343192241e0bSTom Erickson next: 343292241e0bSTom Erickson pair = next_pair; 343392241e0bSTom Erickson } 343492241e0bSTom Erickson } 343592241e0bSTom Erickson 343692241e0bSTom Erickson #ifdef DEBUG 343792241e0bSTom Erickson static boolean_t zfs_ioc_recv_inject_err; 343892241e0bSTom Erickson #endif 343992241e0bSTom Erickson 34403cb34c60Sahrens /* 34413cb34c60Sahrens * inputs: 34423cb34c60Sahrens * zc_name name of containing filesystem 34433cb34c60Sahrens * zc_nvlist_src{_size} nvlist of properties to apply 34443cb34c60Sahrens * zc_value name of snapshot to create 34453cb34c60Sahrens * zc_string name of clone origin (if DRR_FLAG_CLONE) 34463cb34c60Sahrens * zc_cookie file descriptor to recv from 34473cb34c60Sahrens * zc_begin_record the BEGIN record of the stream (not byteswapped) 34483cb34c60Sahrens * zc_guid force flag 3449c99e4bdcSChris Kirby * zc_cleanup_fd cleanup-on-exit file descriptor 3450c99e4bdcSChris Kirby * zc_action_handle handle for this guid/ds mapping (or zero on first call) 34513cb34c60Sahrens * 34523cb34c60Sahrens * outputs: 34533cb34c60Sahrens * zc_cookie number of bytes read 345492241e0bSTom Erickson * zc_nvlist_dst{_size} error for each unapplied received property 345592241e0bSTom Erickson * zc_obj zprop_errflags_t 3456c99e4bdcSChris Kirby * zc_action_handle handle for this guid/ds mapping 34573cb34c60Sahrens */ 3458fa9e4066Sahrens static int 34593cb34c60Sahrens zfs_ioc_recv(zfs_cmd_t *zc) 3460fa9e4066Sahrens { 3461fa9e4066Sahrens file_t *fp; 3462f18faf3fSek objset_t *os; 34633cb34c60Sahrens dmu_recv_cookie_t drc; 3464f18faf3fSek boolean_t force = (boolean_t)zc->zc_guid; 346592241e0bSTom Erickson int fd; 346692241e0bSTom Erickson int error = 0; 346792241e0bSTom Erickson int props_error = 0; 346892241e0bSTom Erickson nvlist_t *errors; 34693cb34c60Sahrens offset_t off; 347092241e0bSTom Erickson nvlist_t *props = NULL; /* sent properties */ 347192241e0bSTom Erickson nvlist_t *origprops = NULL; /* existing properties */ 34723cb34c60Sahrens objset_t *origin = NULL; 34733cb34c60Sahrens char *tosnap; 34743cb34c60Sahrens char tofs[ZFS_MAXNAMELEN]; 347592241e0bSTom Erickson boolean_t first_recvd_props = B_FALSE; 3476fa9e4066Sahrens 34773ccfa83cSahrens if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || 3478f18faf3fSek strchr(zc->zc_value, '@') == NULL || 3479f18faf3fSek strchr(zc->zc_value, '%')) 34803ccfa83cSahrens return (EINVAL); 34813ccfa83cSahrens 34823cb34c60Sahrens (void) strcpy(tofs, zc->zc_value); 34833cb34c60Sahrens tosnap = strchr(tofs, '@'); 348492241e0bSTom Erickson *tosnap++ = '\0'; 34853cb34c60Sahrens 34863cb34c60Sahrens if (zc->zc_nvlist_src != NULL && 34873cb34c60Sahrens (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 3488478ed9adSEric Taylor zc->zc_iflags, &props)) != 0) 34893cb34c60Sahrens return (error); 34903cb34c60Sahrens 3491fa9e4066Sahrens fd = zc->zc_cookie; 3492fa9e4066Sahrens fp = getf(fd); 34933cb34c60Sahrens if (fp == NULL) { 34943cb34c60Sahrens nvlist_free(props); 3495fa9e4066Sahrens return (EBADF); 34963cb34c60Sahrens } 3497f18faf3fSek 349892241e0bSTom Erickson VERIFY(nvlist_alloc(&errors, NV_UNIQUE_NAME, KM_SLEEP) == 0); 349992241e0bSTom Erickson 3500503ad85cSMatthew Ahrens if (props && dmu_objset_hold(tofs, FTAG, &os) == 0) { 350192241e0bSTom Erickson if ((spa_version(os->os_spa) >= SPA_VERSION_RECVD_PROPS) && 350292241e0bSTom Erickson !dsl_prop_get_hasrecvd(os)) { 350392241e0bSTom Erickson first_recvd_props = B_TRUE; 350492241e0bSTom Erickson } 350592241e0bSTom Erickson 3506745cd3c5Smaybee /* 350792241e0bSTom Erickson * If new received properties are supplied, they are to 350892241e0bSTom Erickson * completely replace the existing received properties, so stash 350992241e0bSTom Erickson * away the existing ones. 3510745cd3c5Smaybee */ 351192241e0bSTom Erickson if (dsl_prop_get_received(os, &origprops) == 0) { 351292241e0bSTom Erickson nvlist_t *errlist = NULL; 351392241e0bSTom Erickson /* 351492241e0bSTom Erickson * Don't bother writing a property if its value won't 351592241e0bSTom Erickson * change (and avoid the unnecessary security checks). 351692241e0bSTom Erickson * 351792241e0bSTom Erickson * The first receive after SPA_VERSION_RECVD_PROPS is a 351892241e0bSTom Erickson * special case where we blow away all local properties 351992241e0bSTom Erickson * regardless. 352092241e0bSTom Erickson */ 352192241e0bSTom Erickson if (!first_recvd_props) 352292241e0bSTom Erickson props_reduce(props, origprops); 352392241e0bSTom Erickson if (zfs_check_clearable(tofs, origprops, 352492241e0bSTom Erickson &errlist) != 0) 352592241e0bSTom Erickson (void) nvlist_merge(errors, errlist, 0); 352692241e0bSTom Erickson nvlist_free(errlist); 352792241e0bSTom Erickson } 3528745cd3c5Smaybee 3529503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 3530f18faf3fSek } 3531f18faf3fSek 35323cb34c60Sahrens if (zc->zc_string[0]) { 3533503ad85cSMatthew Ahrens error = dmu_objset_hold(zc->zc_string, FTAG, &origin); 3534745cd3c5Smaybee if (error) 3535745cd3c5Smaybee goto out; 35363cb34c60Sahrens } 35373cb34c60Sahrens 35389e69d7d0SLori Alt error = dmu_recv_begin(tofs, tosnap, zc->zc_top_ds, 35399e69d7d0SLori Alt &zc->zc_begin_record, force, origin, &drc); 35403cb34c60Sahrens if (origin) 3541503ad85cSMatthew Ahrens dmu_objset_rele(origin, FTAG); 3542745cd3c5Smaybee if (error) 3543745cd3c5Smaybee goto out; 3544f18faf3fSek 3545f18faf3fSek /* 354692241e0bSTom Erickson * Set properties before we receive the stream so that they are applied 354792241e0bSTom Erickson * to the new data. Note that we must call dmu_recv_stream() if 354892241e0bSTom Erickson * dmu_recv_begin() succeeds. 3549f18faf3fSek */ 35503cb34c60Sahrens if (props) { 355192241e0bSTom Erickson nvlist_t *errlist; 355292241e0bSTom Erickson 355392241e0bSTom Erickson if (dmu_objset_from_ds(drc.drc_logical_ds, &os) == 0) { 355492241e0bSTom Erickson if (drc.drc_newfs) { 355592241e0bSTom Erickson if (spa_version(os->os_spa) >= 355692241e0bSTom Erickson SPA_VERSION_RECVD_PROPS) 355792241e0bSTom Erickson first_recvd_props = B_TRUE; 355892241e0bSTom Erickson } else if (origprops != NULL) { 355992241e0bSTom Erickson if (clear_received_props(os, tofs, origprops, 356092241e0bSTom Erickson first_recvd_props ? NULL : props) != 0) 356192241e0bSTom Erickson zc->zc_obj |= ZPROP_ERR_NOCLEAR; 356292241e0bSTom Erickson } else { 356392241e0bSTom Erickson zc->zc_obj |= ZPROP_ERR_NOCLEAR; 356492241e0bSTom Erickson } 356592241e0bSTom Erickson dsl_prop_set_hasrecvd(os); 356692241e0bSTom Erickson } else if (!drc.drc_newfs) { 356792241e0bSTom Erickson zc->zc_obj |= ZPROP_ERR_NOCLEAR; 356892241e0bSTom Erickson } 356992241e0bSTom Erickson 357092241e0bSTom Erickson (void) zfs_set_prop_nvlist(tofs, ZPROP_SRC_RECEIVED, 357192241e0bSTom Erickson props, &errlist); 357292241e0bSTom Erickson (void) nvlist_merge(errors, errlist, 0); 357392241e0bSTom Erickson nvlist_free(errlist); 357492241e0bSTom Erickson } 357592241e0bSTom Erickson 357692241e0bSTom Erickson if (fit_error_list(zc, &errors) != 0 || put_nvlist(zc, errors) != 0) { 3577745cd3c5Smaybee /* 357892241e0bSTom Erickson * Caller made zc->zc_nvlist_dst less than the minimum expected 357992241e0bSTom Erickson * size or supplied an invalid address. 3580745cd3c5Smaybee */ 358192241e0bSTom Erickson props_error = EINVAL; 35823cb34c60Sahrens } 35833cb34c60Sahrens 35843cb34c60Sahrens off = fp->f_offset; 3585c99e4bdcSChris Kirby error = dmu_recv_stream(&drc, fp->f_vnode, &off, zc->zc_cleanup_fd, 3586c99e4bdcSChris Kirby &zc->zc_action_handle); 3587a2eea2e1Sahrens 3588f4b94bdeSMatthew Ahrens if (error == 0) { 3589f4b94bdeSMatthew Ahrens zfsvfs_t *zfsvfs = NULL; 3590745cd3c5Smaybee 3591f4b94bdeSMatthew Ahrens if (getzfsvfs(tofs, &zfsvfs) == 0) { 3592f4b94bdeSMatthew Ahrens /* online recv */ 3593f4b94bdeSMatthew Ahrens int end_err; 3594745cd3c5Smaybee 3595503ad85cSMatthew Ahrens error = zfs_suspend_fs(zfsvfs); 3596f4b94bdeSMatthew Ahrens /* 3597f4b94bdeSMatthew Ahrens * If the suspend fails, then the recv_end will 3598f4b94bdeSMatthew Ahrens * likely also fail, and clean up after itself. 3599f4b94bdeSMatthew Ahrens */ 3600f4b94bdeSMatthew Ahrens end_err = dmu_recv_end(&drc); 36015c703fceSGeorge Wilson if (error == 0) 36025c703fceSGeorge Wilson error = zfs_resume_fs(zfsvfs, tofs); 3603f4b94bdeSMatthew Ahrens error = error ? error : end_err; 3604f4b94bdeSMatthew Ahrens VFS_RELE(zfsvfs->z_vfs); 3605745cd3c5Smaybee } else { 3606f4b94bdeSMatthew Ahrens error = dmu_recv_end(&drc); 36073cb34c60Sahrens } 360847f263f4Sek } 36093cb34c60Sahrens 36103cb34c60Sahrens zc->zc_cookie = off - fp->f_offset; 36113cb34c60Sahrens if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) 36123cb34c60Sahrens fp->f_offset = off; 3613a2eea2e1Sahrens 361492241e0bSTom Erickson #ifdef DEBUG 361592241e0bSTom Erickson if (zfs_ioc_recv_inject_err) { 361692241e0bSTom Erickson zfs_ioc_recv_inject_err = B_FALSE; 361792241e0bSTom Erickson error = 1; 361892241e0bSTom Erickson } 361992241e0bSTom Erickson #endif 3620745cd3c5Smaybee /* 3621745cd3c5Smaybee * On error, restore the original props. 3622745cd3c5Smaybee */ 3623745cd3c5Smaybee if (error && props) { 362492241e0bSTom Erickson if (dmu_objset_hold(tofs, FTAG, &os) == 0) { 362592241e0bSTom Erickson if (clear_received_props(os, tofs, props, NULL) != 0) { 362692241e0bSTom Erickson /* 362792241e0bSTom Erickson * We failed to clear the received properties. 362892241e0bSTom Erickson * Since we may have left a $recvd value on the 362992241e0bSTom Erickson * system, we can't clear the $hasrecvd flag. 363092241e0bSTom Erickson */ 363192241e0bSTom Erickson zc->zc_obj |= ZPROP_ERR_NORESTORE; 363292241e0bSTom Erickson } else if (first_recvd_props) { 363392241e0bSTom Erickson dsl_prop_unset_hasrecvd(os); 363492241e0bSTom Erickson } 363592241e0bSTom Erickson dmu_objset_rele(os, FTAG); 363692241e0bSTom Erickson } else if (!drc.drc_newfs) { 363792241e0bSTom Erickson /* We failed to clear the received properties. */ 363892241e0bSTom Erickson zc->zc_obj |= ZPROP_ERR_NORESTORE; 363992241e0bSTom Erickson } 364092241e0bSTom Erickson 364192241e0bSTom Erickson if (origprops == NULL && !drc.drc_newfs) { 364292241e0bSTom Erickson /* We failed to stash the original properties. */ 364392241e0bSTom Erickson zc->zc_obj |= ZPROP_ERR_NORESTORE; 364492241e0bSTom Erickson } 364592241e0bSTom Erickson 364692241e0bSTom Erickson /* 364792241e0bSTom Erickson * dsl_props_set() will not convert RECEIVED to LOCAL on or 364892241e0bSTom Erickson * after SPA_VERSION_RECVD_PROPS, so we need to specify LOCAL 364992241e0bSTom Erickson * explictly if we're restoring local properties cleared in the 365092241e0bSTom Erickson * first new-style receive. 365192241e0bSTom Erickson */ 365292241e0bSTom Erickson if (origprops != NULL && 365392241e0bSTom Erickson zfs_set_prop_nvlist(tofs, (first_recvd_props ? 365492241e0bSTom Erickson ZPROP_SRC_LOCAL : ZPROP_SRC_RECEIVED), 365592241e0bSTom Erickson origprops, NULL) != 0) { 365692241e0bSTom Erickson /* 365792241e0bSTom Erickson * We stashed the original properties but failed to 365892241e0bSTom Erickson * restore them. 365992241e0bSTom Erickson */ 366092241e0bSTom Erickson zc->zc_obj |= ZPROP_ERR_NORESTORE; 366192241e0bSTom Erickson } 3662745cd3c5Smaybee } 3663745cd3c5Smaybee out: 3664745cd3c5Smaybee nvlist_free(props); 3665745cd3c5Smaybee nvlist_free(origprops); 366692241e0bSTom Erickson nvlist_free(errors); 3667fa9e4066Sahrens releasef(fd); 366892241e0bSTom Erickson 366992241e0bSTom Erickson if (error == 0) 367092241e0bSTom Erickson error = props_error; 367192241e0bSTom Erickson 3672fa9e4066Sahrens return (error); 3673fa9e4066Sahrens } 3674fa9e4066Sahrens 36753cb34c60Sahrens /* 36763cb34c60Sahrens * inputs: 36773cb34c60Sahrens * zc_name name of snapshot to send 36783cb34c60Sahrens * zc_cookie file descriptor to send stream to 3679*a7f53a56SChris Kirby * zc_obj fromorigin flag (mutually exclusive with zc_fromobj) 3680*a7f53a56SChris Kirby * zc_sendobj objsetid of snapshot to send 3681*a7f53a56SChris Kirby * zc_fromobj objsetid of incremental fromsnap (may be zero) 36823cb34c60Sahrens * 36833cb34c60Sahrens * outputs: none 36843cb34c60Sahrens */ 3685fa9e4066Sahrens static int 36863cb34c60Sahrens zfs_ioc_send(zfs_cmd_t *zc) 3687fa9e4066Sahrens { 3688fa9e4066Sahrens objset_t *fromsnap = NULL; 3689fa9e4066Sahrens objset_t *tosnap; 3690fa9e4066Sahrens file_t *fp; 3691fa9e4066Sahrens int error; 36923cb34c60Sahrens offset_t off; 3693*a7f53a56SChris Kirby dsl_dataset_t *ds; 3694*a7f53a56SChris Kirby dsl_dataset_t *dsfrom = NULL; 3695*a7f53a56SChris Kirby spa_t *spa; 3696*a7f53a56SChris Kirby dsl_pool_t *dp; 3697fa9e4066Sahrens 3698*a7f53a56SChris Kirby error = spa_open(zc->zc_name, &spa, FTAG); 3699fa9e4066Sahrens if (error) 3700fa9e4066Sahrens return (error); 3701fa9e4066Sahrens 3702*a7f53a56SChris Kirby dp = spa_get_dsl(spa); 3703*a7f53a56SChris Kirby rw_enter(&dp->dp_config_rwlock, RW_READER); 3704*a7f53a56SChris Kirby error = dsl_dataset_hold_obj(dp, zc->zc_sendobj, FTAG, &ds); 3705*a7f53a56SChris Kirby rw_exit(&dp->dp_config_rwlock); 3706*a7f53a56SChris Kirby if (error) { 3707*a7f53a56SChris Kirby spa_close(spa, FTAG); 3708*a7f53a56SChris Kirby return (error); 3709*a7f53a56SChris Kirby } 3710*a7f53a56SChris Kirby 3711*a7f53a56SChris Kirby error = dmu_objset_from_ds(ds, &tosnap); 3712*a7f53a56SChris Kirby if (error) { 3713*a7f53a56SChris Kirby dsl_dataset_rele(ds, FTAG); 3714*a7f53a56SChris Kirby spa_close(spa, FTAG); 3715*a7f53a56SChris Kirby return (error); 3716*a7f53a56SChris Kirby } 3717*a7f53a56SChris Kirby 3718*a7f53a56SChris Kirby if (zc->zc_fromobj != 0) { 3719*a7f53a56SChris Kirby rw_enter(&dp->dp_config_rwlock, RW_READER); 3720*a7f53a56SChris Kirby error = dsl_dataset_hold_obj(dp, zc->zc_fromobj, FTAG, &dsfrom); 3721*a7f53a56SChris Kirby rw_exit(&dp->dp_config_rwlock); 3722*a7f53a56SChris Kirby spa_close(spa, FTAG); 3723*a7f53a56SChris Kirby if (error) { 3724*a7f53a56SChris Kirby dsl_dataset_rele(ds, FTAG); 3725*a7f53a56SChris Kirby return (error); 3726*a7f53a56SChris Kirby } 3727*a7f53a56SChris Kirby error = dmu_objset_from_ds(dsfrom, &fromsnap); 3728fa9e4066Sahrens if (error) { 3729*a7f53a56SChris Kirby dsl_dataset_rele(dsfrom, FTAG); 3730*a7f53a56SChris Kirby dsl_dataset_rele(ds, FTAG); 3731fa9e4066Sahrens return (error); 3732fa9e4066Sahrens } 3733*a7f53a56SChris Kirby } else { 3734*a7f53a56SChris Kirby spa_close(spa, FTAG); 3735fa9e4066Sahrens } 3736fa9e4066Sahrens 3737fa9e4066Sahrens fp = getf(zc->zc_cookie); 3738fa9e4066Sahrens if (fp == NULL) { 3739*a7f53a56SChris Kirby dsl_dataset_rele(ds, FTAG); 3740*a7f53a56SChris Kirby if (dsfrom) 3741*a7f53a56SChris Kirby dsl_dataset_rele(dsfrom, FTAG); 3742fa9e4066Sahrens return (EBADF); 3743fa9e4066Sahrens } 3744fa9e4066Sahrens 37453cb34c60Sahrens off = fp->f_offset; 37463cb34c60Sahrens error = dmu_sendbackup(tosnap, fromsnap, zc->zc_obj, fp->f_vnode, &off); 3747fa9e4066Sahrens 37483cb34c60Sahrens if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) 37493cb34c60Sahrens fp->f_offset = off; 3750fa9e4066Sahrens releasef(zc->zc_cookie); 3751*a7f53a56SChris Kirby if (dsfrom) 3752*a7f53a56SChris Kirby dsl_dataset_rele(dsfrom, FTAG); 3753*a7f53a56SChris Kirby dsl_dataset_rele(ds, FTAG); 3754fa9e4066Sahrens return (error); 3755fa9e4066Sahrens } 3756fa9e4066Sahrens 3757ea8dc4b6Seschrock static int 3758ea8dc4b6Seschrock zfs_ioc_inject_fault(zfs_cmd_t *zc) 3759ea8dc4b6Seschrock { 3760ea8dc4b6Seschrock int id, error; 3761ea8dc4b6Seschrock 3762ea8dc4b6Seschrock error = zio_inject_fault(zc->zc_name, (int)zc->zc_guid, &id, 3763ea8dc4b6Seschrock &zc->zc_inject_record); 3764ea8dc4b6Seschrock 3765ea8dc4b6Seschrock if (error == 0) 3766ea8dc4b6Seschrock zc->zc_guid = (uint64_t)id; 3767ea8dc4b6Seschrock 3768ea8dc4b6Seschrock return (error); 3769ea8dc4b6Seschrock } 3770ea8dc4b6Seschrock 3771ea8dc4b6Seschrock static int 3772ea8dc4b6Seschrock zfs_ioc_clear_fault(zfs_cmd_t *zc) 3773ea8dc4b6Seschrock { 3774ea8dc4b6Seschrock return (zio_clear_fault((int)zc->zc_guid)); 3775ea8dc4b6Seschrock } 3776ea8dc4b6Seschrock 3777ea8dc4b6Seschrock static int 3778ea8dc4b6Seschrock zfs_ioc_inject_list_next(zfs_cmd_t *zc) 3779ea8dc4b6Seschrock { 3780ea8dc4b6Seschrock int id = (int)zc->zc_guid; 3781ea8dc4b6Seschrock int error; 3782ea8dc4b6Seschrock 3783ea8dc4b6Seschrock error = zio_inject_list_next(&id, zc->zc_name, sizeof (zc->zc_name), 3784ea8dc4b6Seschrock &zc->zc_inject_record); 3785ea8dc4b6Seschrock 3786ea8dc4b6Seschrock zc->zc_guid = id; 3787ea8dc4b6Seschrock 3788ea8dc4b6Seschrock return (error); 3789ea8dc4b6Seschrock } 3790ea8dc4b6Seschrock 3791ea8dc4b6Seschrock static int 3792ea8dc4b6Seschrock zfs_ioc_error_log(zfs_cmd_t *zc) 3793ea8dc4b6Seschrock { 3794ea8dc4b6Seschrock spa_t *spa; 3795ea8dc4b6Seschrock int error; 3796e9dbad6fSeschrock size_t count = (size_t)zc->zc_nvlist_dst_size; 3797ea8dc4b6Seschrock 3798ea8dc4b6Seschrock if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 3799ea8dc4b6Seschrock return (error); 3800ea8dc4b6Seschrock 3801e9dbad6fSeschrock error = spa_get_errlog(spa, (void *)(uintptr_t)zc->zc_nvlist_dst, 3802ea8dc4b6Seschrock &count); 3803ea8dc4b6Seschrock if (error == 0) 3804e9dbad6fSeschrock zc->zc_nvlist_dst_size = count; 3805ea8dc4b6Seschrock else 3806e9dbad6fSeschrock zc->zc_nvlist_dst_size = spa_get_errlog_size(spa); 3807ea8dc4b6Seschrock 3808ea8dc4b6Seschrock spa_close(spa, FTAG); 3809ea8dc4b6Seschrock 3810ea8dc4b6Seschrock return (error); 3811ea8dc4b6Seschrock } 3812ea8dc4b6Seschrock 3813ea8dc4b6Seschrock static int 3814ea8dc4b6Seschrock zfs_ioc_clear(zfs_cmd_t *zc) 3815ea8dc4b6Seschrock { 3816ea8dc4b6Seschrock spa_t *spa; 3817ea8dc4b6Seschrock vdev_t *vd; 3818bb8b5132Sek int error; 3819ea8dc4b6Seschrock 3820b87f3af3Sperrin /* 3821b87f3af3Sperrin * On zpool clear we also fix up missing slogs 3822b87f3af3Sperrin */ 3823b87f3af3Sperrin mutex_enter(&spa_namespace_lock); 3824b87f3af3Sperrin spa = spa_lookup(zc->zc_name); 3825b87f3af3Sperrin if (spa == NULL) { 3826b87f3af3Sperrin mutex_exit(&spa_namespace_lock); 3827b87f3af3Sperrin return (EIO); 3828b87f3af3Sperrin } 3829b24ab676SJeff Bonwick if (spa_get_log_state(spa) == SPA_LOG_MISSING) { 3830b87f3af3Sperrin /* we need to let spa_open/spa_load clear the chains */ 3831b24ab676SJeff Bonwick spa_set_log_state(spa, SPA_LOG_CLEAR); 3832b87f3af3Sperrin } 3833468c413aSTim Haley spa->spa_last_open_failed = 0; 3834b87f3af3Sperrin mutex_exit(&spa_namespace_lock); 3835b87f3af3Sperrin 3836c8ee1847SVictor Latushkin if (zc->zc_cookie & ZPOOL_NO_REWIND) { 3837468c413aSTim Haley error = spa_open(zc->zc_name, &spa, FTAG); 3838468c413aSTim Haley } else { 3839468c413aSTim Haley nvlist_t *policy; 3840468c413aSTim Haley nvlist_t *config = NULL; 3841468c413aSTim Haley 3842468c413aSTim Haley if (zc->zc_nvlist_src == NULL) 3843468c413aSTim Haley return (EINVAL); 3844468c413aSTim Haley 3845468c413aSTim Haley if ((error = get_nvlist(zc->zc_nvlist_src, 3846468c413aSTim Haley zc->zc_nvlist_src_size, zc->zc_iflags, &policy)) == 0) { 3847468c413aSTim Haley error = spa_open_rewind(zc->zc_name, &spa, FTAG, 3848468c413aSTim Haley policy, &config); 3849468c413aSTim Haley if (config != NULL) { 3850468c413aSTim Haley (void) put_nvlist(zc, config); 3851468c413aSTim Haley nvlist_free(config); 3852468c413aSTim Haley } 3853468c413aSTim Haley nvlist_free(policy); 3854468c413aSTim Haley } 3855468c413aSTim Haley } 3856468c413aSTim Haley 3857468c413aSTim Haley if (error) 3858ea8dc4b6Seschrock return (error); 3859ea8dc4b6Seschrock 38608f18d1faSGeorge Wilson spa_vdev_state_enter(spa, SCL_NONE); 3861ea8dc4b6Seschrock 3862e9dbad6fSeschrock if (zc->zc_guid == 0) { 3863ea8dc4b6Seschrock vd = NULL; 3864c5904d13Seschrock } else { 3865c5904d13Seschrock vd = spa_lookup_by_guid(spa, zc->zc_guid, B_TRUE); 3866fa94a07fSbrendan if (vd == NULL) { 3867e14bb325SJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, ENODEV); 3868fa94a07fSbrendan spa_close(spa, FTAG); 3869fa94a07fSbrendan return (ENODEV); 3870fa94a07fSbrendan } 3871ea8dc4b6Seschrock } 3872ea8dc4b6Seschrock 3873e14bb325SJeff Bonwick vdev_clear(spa, vd); 3874e14bb325SJeff Bonwick 3875e14bb325SJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 3876ea8dc4b6Seschrock 3877e14bb325SJeff Bonwick /* 3878e14bb325SJeff Bonwick * Resume any suspended I/Os. 3879e14bb325SJeff Bonwick */ 388054d692b7SGeorge Wilson if (zio_resume(spa) != 0) 388154d692b7SGeorge Wilson error = EIO; 3882ea8dc4b6Seschrock 3883ea8dc4b6Seschrock spa_close(spa, FTAG); 3884ea8dc4b6Seschrock 388554d692b7SGeorge Wilson return (error); 3886ea8dc4b6Seschrock } 3887ea8dc4b6Seschrock 38883cb34c60Sahrens /* 38893cb34c60Sahrens * inputs: 38903cb34c60Sahrens * zc_name name of filesystem 38913cb34c60Sahrens * zc_value name of origin snapshot 38923cb34c60Sahrens * 3893681d9761SEric Taylor * outputs: 3894681d9761SEric Taylor * zc_string name of conflicting snapshot, if there is one 38953cb34c60Sahrens */ 389699653d4eSeschrock static int 389799653d4eSeschrock zfs_ioc_promote(zfs_cmd_t *zc) 389899653d4eSeschrock { 38990b69c2f0Sahrens char *cp; 39000b69c2f0Sahrens 39010b69c2f0Sahrens /* 39020b69c2f0Sahrens * We don't need to unmount *all* the origin fs's snapshots, but 39030b69c2f0Sahrens * it's easier. 39040b69c2f0Sahrens */ 3905e9dbad6fSeschrock cp = strchr(zc->zc_value, '@'); 39060b69c2f0Sahrens if (cp) 39070b69c2f0Sahrens *cp = '\0'; 3908e9dbad6fSeschrock (void) dmu_objset_find(zc->zc_value, 39090b69c2f0Sahrens zfs_unmount_snap, NULL, DS_FIND_SNAPSHOTS); 3910681d9761SEric Taylor return (dsl_dataset_promote(zc->zc_name, zc->zc_string)); 391199653d4eSeschrock } 391299653d4eSeschrock 391314843421SMatthew Ahrens /* 391414843421SMatthew Ahrens * Retrieve a single {user|group}{used|quota}@... property. 391514843421SMatthew Ahrens * 391614843421SMatthew Ahrens * inputs: 391714843421SMatthew Ahrens * zc_name name of filesystem 391814843421SMatthew Ahrens * zc_objset_type zfs_userquota_prop_t 391914843421SMatthew Ahrens * zc_value domain name (eg. "S-1-234-567-89") 392014843421SMatthew Ahrens * zc_guid RID/UID/GID 392114843421SMatthew Ahrens * 392214843421SMatthew Ahrens * outputs: 392314843421SMatthew Ahrens * zc_cookie property value 392414843421SMatthew Ahrens */ 392514843421SMatthew Ahrens static int 392614843421SMatthew Ahrens zfs_ioc_userspace_one(zfs_cmd_t *zc) 392714843421SMatthew Ahrens { 392814843421SMatthew Ahrens zfsvfs_t *zfsvfs; 392914843421SMatthew Ahrens int error; 393014843421SMatthew Ahrens 393114843421SMatthew Ahrens if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) 393214843421SMatthew Ahrens return (EINVAL); 393314843421SMatthew Ahrens 39341412a1a2SMark Shellenbaum error = zfsvfs_hold(zc->zc_name, FTAG, &zfsvfs, B_FALSE); 393514843421SMatthew Ahrens if (error) 393614843421SMatthew Ahrens return (error); 393714843421SMatthew Ahrens 393814843421SMatthew Ahrens error = zfs_userspace_one(zfsvfs, 393914843421SMatthew Ahrens zc->zc_objset_type, zc->zc_value, zc->zc_guid, &zc->zc_cookie); 394014843421SMatthew Ahrens zfsvfs_rele(zfsvfs, FTAG); 394114843421SMatthew Ahrens 394214843421SMatthew Ahrens return (error); 394314843421SMatthew Ahrens } 394414843421SMatthew Ahrens 394514843421SMatthew Ahrens /* 394614843421SMatthew Ahrens * inputs: 394714843421SMatthew Ahrens * zc_name name of filesystem 394814843421SMatthew Ahrens * zc_cookie zap cursor 394914843421SMatthew Ahrens * zc_objset_type zfs_userquota_prop_t 395014843421SMatthew Ahrens * zc_nvlist_dst[_size] buffer to fill (not really an nvlist) 395114843421SMatthew Ahrens * 395214843421SMatthew Ahrens * outputs: 395314843421SMatthew Ahrens * zc_nvlist_dst[_size] data buffer (array of zfs_useracct_t) 395414843421SMatthew Ahrens * zc_cookie zap cursor 395514843421SMatthew Ahrens */ 395614843421SMatthew Ahrens static int 395714843421SMatthew Ahrens zfs_ioc_userspace_many(zfs_cmd_t *zc) 395814843421SMatthew Ahrens { 395914843421SMatthew Ahrens zfsvfs_t *zfsvfs; 3960eeb85002STim Haley int bufsize = zc->zc_nvlist_dst_size; 396114843421SMatthew Ahrens 3962eeb85002STim Haley if (bufsize <= 0) 3963eeb85002STim Haley return (ENOMEM); 3964eeb85002STim Haley 39651412a1a2SMark Shellenbaum int error = zfsvfs_hold(zc->zc_name, FTAG, &zfsvfs, B_FALSE); 396614843421SMatthew Ahrens if (error) 396714843421SMatthew Ahrens return (error); 396814843421SMatthew Ahrens 396914843421SMatthew Ahrens void *buf = kmem_alloc(bufsize, KM_SLEEP); 397014843421SMatthew Ahrens 397114843421SMatthew Ahrens error = zfs_userspace_many(zfsvfs, zc->zc_objset_type, &zc->zc_cookie, 397214843421SMatthew Ahrens buf, &zc->zc_nvlist_dst_size); 397314843421SMatthew Ahrens 397414843421SMatthew Ahrens if (error == 0) { 397514843421SMatthew Ahrens error = xcopyout(buf, 397614843421SMatthew Ahrens (void *)(uintptr_t)zc->zc_nvlist_dst, 397714843421SMatthew Ahrens zc->zc_nvlist_dst_size); 397814843421SMatthew Ahrens } 397914843421SMatthew Ahrens kmem_free(buf, bufsize); 398014843421SMatthew Ahrens zfsvfs_rele(zfsvfs, FTAG); 398114843421SMatthew Ahrens 398214843421SMatthew Ahrens return (error); 398314843421SMatthew Ahrens } 398414843421SMatthew Ahrens 398514843421SMatthew Ahrens /* 398614843421SMatthew Ahrens * inputs: 398714843421SMatthew Ahrens * zc_name name of filesystem 398814843421SMatthew Ahrens * 398914843421SMatthew Ahrens * outputs: 399014843421SMatthew Ahrens * none 399114843421SMatthew Ahrens */ 399214843421SMatthew Ahrens static int 399314843421SMatthew Ahrens zfs_ioc_userspace_upgrade(zfs_cmd_t *zc) 399414843421SMatthew Ahrens { 399514843421SMatthew Ahrens objset_t *os; 39961195e687SMark J Musante int error = 0; 399714843421SMatthew Ahrens zfsvfs_t *zfsvfs; 399814843421SMatthew Ahrens 399914843421SMatthew Ahrens if (getzfsvfs(zc->zc_name, &zfsvfs) == 0) { 4000503ad85cSMatthew Ahrens if (!dmu_objset_userused_enabled(zfsvfs->z_os)) { 400114843421SMatthew Ahrens /* 400214843421SMatthew Ahrens * If userused is not enabled, it may be because the 400314843421SMatthew Ahrens * objset needs to be closed & reopened (to grow the 400414843421SMatthew Ahrens * objset_phys_t). Suspend/resume the fs will do that. 400514843421SMatthew Ahrens */ 4006503ad85cSMatthew Ahrens error = zfs_suspend_fs(zfsvfs); 4007503ad85cSMatthew Ahrens if (error == 0) 4008503ad85cSMatthew Ahrens error = zfs_resume_fs(zfsvfs, zc->zc_name); 400914843421SMatthew Ahrens } 401014843421SMatthew Ahrens if (error == 0) 401114843421SMatthew Ahrens error = dmu_objset_userspace_upgrade(zfsvfs->z_os); 401214843421SMatthew Ahrens VFS_RELE(zfsvfs->z_vfs); 401314843421SMatthew Ahrens } else { 4014503ad85cSMatthew Ahrens /* XXX kind of reading contents without owning */ 4015503ad85cSMatthew Ahrens error = dmu_objset_hold(zc->zc_name, FTAG, &os); 401614843421SMatthew Ahrens if (error) 401714843421SMatthew Ahrens return (error); 401814843421SMatthew Ahrens 401914843421SMatthew Ahrens error = dmu_objset_userspace_upgrade(os); 4020503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 402114843421SMatthew Ahrens } 402214843421SMatthew Ahrens 402314843421SMatthew Ahrens return (error); 402414843421SMatthew Ahrens } 402514843421SMatthew Ahrens 4026ecd6cf80Smarks /* 4027ecd6cf80Smarks * We don't want to have a hard dependency 4028ecd6cf80Smarks * against some special symbols in sharefs 4029da6c28aaSamw * nfs, and smbsrv. Determine them if needed when 4030ecd6cf80Smarks * the first file system is shared. 4031da6c28aaSamw * Neither sharefs, nfs or smbsrv are unloadable modules. 4032ecd6cf80Smarks */ 4033da6c28aaSamw int (*znfsexport_fs)(void *arg); 4034ecd6cf80Smarks int (*zshare_fs)(enum sharefs_sys_op, share_t *, uint32_t); 4035da6c28aaSamw int (*zsmbexport_fs)(void *arg, boolean_t add_share); 4036da6c28aaSamw 4037da6c28aaSamw int zfs_nfsshare_inited; 4038da6c28aaSamw int zfs_smbshare_inited; 4039ecd6cf80Smarks 4040ecd6cf80Smarks ddi_modhandle_t nfs_mod; 4041ecd6cf80Smarks ddi_modhandle_t sharefs_mod; 4042da6c28aaSamw ddi_modhandle_t smbsrv_mod; 4043ecd6cf80Smarks kmutex_t zfs_share_lock; 4044ecd6cf80Smarks 4045da6c28aaSamw static int 4046da6c28aaSamw zfs_init_sharefs() 4047da6c28aaSamw { 4048da6c28aaSamw int error; 4049da6c28aaSamw 4050da6c28aaSamw ASSERT(MUTEX_HELD(&zfs_share_lock)); 4051da6c28aaSamw /* Both NFS and SMB shares also require sharetab support. */ 4052da6c28aaSamw if (sharefs_mod == NULL && ((sharefs_mod = 4053da6c28aaSamw ddi_modopen("fs/sharefs", 4054da6c28aaSamw KRTLD_MODE_FIRST, &error)) == NULL)) { 4055da6c28aaSamw return (ENOSYS); 4056da6c28aaSamw } 4057da6c28aaSamw if (zshare_fs == NULL && ((zshare_fs = 4058da6c28aaSamw (int (*)(enum sharefs_sys_op, share_t *, uint32_t)) 4059da6c28aaSamw ddi_modsym(sharefs_mod, "sharefs_impl", &error)) == NULL)) { 4060da6c28aaSamw return (ENOSYS); 4061da6c28aaSamw } 4062da6c28aaSamw return (0); 4063da6c28aaSamw } 4064da6c28aaSamw 4065ecd6cf80Smarks static int 4066ecd6cf80Smarks zfs_ioc_share(zfs_cmd_t *zc) 4067ecd6cf80Smarks { 4068ecd6cf80Smarks int error; 4069ecd6cf80Smarks int opcode; 4070ecd6cf80Smarks 4071da6c28aaSamw switch (zc->zc_share.z_sharetype) { 4072da6c28aaSamw case ZFS_SHARE_NFS: 4073da6c28aaSamw case ZFS_UNSHARE_NFS: 4074da6c28aaSamw if (zfs_nfsshare_inited == 0) { 4075da6c28aaSamw mutex_enter(&zfs_share_lock); 4076da6c28aaSamw if (nfs_mod == NULL && ((nfs_mod = ddi_modopen("fs/nfs", 4077da6c28aaSamw KRTLD_MODE_FIRST, &error)) == NULL)) { 4078da6c28aaSamw mutex_exit(&zfs_share_lock); 4079da6c28aaSamw return (ENOSYS); 4080da6c28aaSamw } 4081da6c28aaSamw if (znfsexport_fs == NULL && 4082da6c28aaSamw ((znfsexport_fs = (int (*)(void *)) 4083da6c28aaSamw ddi_modsym(nfs_mod, 4084da6c28aaSamw "nfs_export", &error)) == NULL)) { 4085da6c28aaSamw mutex_exit(&zfs_share_lock); 4086da6c28aaSamw return (ENOSYS); 4087da6c28aaSamw } 4088da6c28aaSamw error = zfs_init_sharefs(); 4089da6c28aaSamw if (error) { 4090da6c28aaSamw mutex_exit(&zfs_share_lock); 4091da6c28aaSamw return (ENOSYS); 4092da6c28aaSamw } 4093da6c28aaSamw zfs_nfsshare_inited = 1; 4094ecd6cf80Smarks mutex_exit(&zfs_share_lock); 4095ecd6cf80Smarks } 4096da6c28aaSamw break; 4097da6c28aaSamw case ZFS_SHARE_SMB: 4098da6c28aaSamw case ZFS_UNSHARE_SMB: 4099da6c28aaSamw if (zfs_smbshare_inited == 0) { 4100da6c28aaSamw mutex_enter(&zfs_share_lock); 4101da6c28aaSamw if (smbsrv_mod == NULL && ((smbsrv_mod = 4102da6c28aaSamw ddi_modopen("drv/smbsrv", 4103da6c28aaSamw KRTLD_MODE_FIRST, &error)) == NULL)) { 4104da6c28aaSamw mutex_exit(&zfs_share_lock); 4105da6c28aaSamw return (ENOSYS); 4106da6c28aaSamw } 4107da6c28aaSamw if (zsmbexport_fs == NULL && ((zsmbexport_fs = 4108da6c28aaSamw (int (*)(void *, boolean_t))ddi_modsym(smbsrv_mod, 4109faa1795aSjb "smb_server_share", &error)) == NULL)) { 4110da6c28aaSamw mutex_exit(&zfs_share_lock); 4111da6c28aaSamw return (ENOSYS); 4112da6c28aaSamw } 4113da6c28aaSamw error = zfs_init_sharefs(); 4114da6c28aaSamw if (error) { 4115da6c28aaSamw mutex_exit(&zfs_share_lock); 4116da6c28aaSamw return (ENOSYS); 4117da6c28aaSamw } 4118da6c28aaSamw zfs_smbshare_inited = 1; 4119ecd6cf80Smarks mutex_exit(&zfs_share_lock); 4120ecd6cf80Smarks } 4121da6c28aaSamw break; 4122da6c28aaSamw default: 4123da6c28aaSamw return (EINVAL); 4124da6c28aaSamw } 4125ecd6cf80Smarks 4126da6c28aaSamw switch (zc->zc_share.z_sharetype) { 4127da6c28aaSamw case ZFS_SHARE_NFS: 4128da6c28aaSamw case ZFS_UNSHARE_NFS: 4129da6c28aaSamw if (error = 4130da6c28aaSamw znfsexport_fs((void *) 4131da6c28aaSamw (uintptr_t)zc->zc_share.z_exportdata)) 4132da6c28aaSamw return (error); 4133da6c28aaSamw break; 4134da6c28aaSamw case ZFS_SHARE_SMB: 4135da6c28aaSamw case ZFS_UNSHARE_SMB: 4136da6c28aaSamw if (error = zsmbexport_fs((void *) 4137da6c28aaSamw (uintptr_t)zc->zc_share.z_exportdata, 4138da6c28aaSamw zc->zc_share.z_sharetype == ZFS_SHARE_SMB ? 4139743a77edSAlan Wright B_TRUE: B_FALSE)) { 4140da6c28aaSamw return (error); 4141ecd6cf80Smarks } 4142da6c28aaSamw break; 4143ecd6cf80Smarks } 4144ecd6cf80Smarks 4145da6c28aaSamw opcode = (zc->zc_share.z_sharetype == ZFS_SHARE_NFS || 4146da6c28aaSamw zc->zc_share.z_sharetype == ZFS_SHARE_SMB) ? 4147ecd6cf80Smarks SHAREFS_ADD : SHAREFS_REMOVE; 4148ecd6cf80Smarks 4149da6c28aaSamw /* 4150da6c28aaSamw * Add or remove share from sharetab 4151da6c28aaSamw */ 4152ecd6cf80Smarks error = zshare_fs(opcode, 4153ecd6cf80Smarks (void *)(uintptr_t)zc->zc_share.z_sharedata, 4154ecd6cf80Smarks zc->zc_share.z_sharemax); 4155ecd6cf80Smarks 4156ecd6cf80Smarks return (error); 4157ecd6cf80Smarks 4158ecd6cf80Smarks } 4159ecd6cf80Smarks 4160743a77edSAlan Wright ace_t full_access[] = { 4161743a77edSAlan Wright {(uid_t)-1, ACE_ALL_PERMS, ACE_EVERYONE, 0} 4162743a77edSAlan Wright }; 4163743a77edSAlan Wright 4164743a77edSAlan Wright /* 4165743a77edSAlan Wright * Remove all ACL files in shares dir 4166743a77edSAlan Wright */ 4167743a77edSAlan Wright static int 4168743a77edSAlan Wright zfs_smb_acl_purge(znode_t *dzp) 4169743a77edSAlan Wright { 4170743a77edSAlan Wright zap_cursor_t zc; 4171743a77edSAlan Wright zap_attribute_t zap; 4172743a77edSAlan Wright zfsvfs_t *zfsvfs = dzp->z_zfsvfs; 4173743a77edSAlan Wright int error; 4174743a77edSAlan Wright 4175743a77edSAlan Wright for (zap_cursor_init(&zc, zfsvfs->z_os, dzp->z_id); 4176743a77edSAlan Wright (error = zap_cursor_retrieve(&zc, &zap)) == 0; 4177743a77edSAlan Wright zap_cursor_advance(&zc)) { 4178743a77edSAlan Wright if ((error = VOP_REMOVE(ZTOV(dzp), zap.za_name, kcred, 4179743a77edSAlan Wright NULL, 0)) != 0) 4180743a77edSAlan Wright break; 4181743a77edSAlan Wright } 4182743a77edSAlan Wright zap_cursor_fini(&zc); 4183743a77edSAlan Wright return (error); 4184743a77edSAlan Wright } 4185743a77edSAlan Wright 4186743a77edSAlan Wright static int 4187743a77edSAlan Wright zfs_ioc_smb_acl(zfs_cmd_t *zc) 4188743a77edSAlan Wright { 4189743a77edSAlan Wright vnode_t *vp; 4190743a77edSAlan Wright znode_t *dzp; 4191743a77edSAlan Wright vnode_t *resourcevp = NULL; 4192743a77edSAlan Wright znode_t *sharedir; 4193743a77edSAlan Wright zfsvfs_t *zfsvfs; 4194743a77edSAlan Wright nvlist_t *nvlist; 4195743a77edSAlan Wright char *src, *target; 4196743a77edSAlan Wright vattr_t vattr; 4197743a77edSAlan Wright vsecattr_t vsec; 4198743a77edSAlan Wright int error = 0; 4199743a77edSAlan Wright 4200743a77edSAlan Wright if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, 4201743a77edSAlan Wright NO_FOLLOW, NULL, &vp)) != 0) 4202743a77edSAlan Wright return (error); 4203743a77edSAlan Wright 4204743a77edSAlan Wright /* Now make sure mntpnt and dataset are ZFS */ 4205743a77edSAlan Wright 4206743a77edSAlan Wright if (vp->v_vfsp->vfs_fstype != zfsfstype || 4207743a77edSAlan Wright (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), 4208743a77edSAlan Wright zc->zc_name) != 0)) { 4209743a77edSAlan Wright VN_RELE(vp); 4210743a77edSAlan Wright return (EINVAL); 4211743a77edSAlan Wright } 4212743a77edSAlan Wright 4213743a77edSAlan Wright dzp = VTOZ(vp); 4214743a77edSAlan Wright zfsvfs = dzp->z_zfsvfs; 4215743a77edSAlan Wright ZFS_ENTER(zfsvfs); 4216743a77edSAlan Wright 42179e1320c0SMark Shellenbaum /* 42189e1320c0SMark Shellenbaum * Create share dir if its missing. 42199e1320c0SMark Shellenbaum */ 42209e1320c0SMark Shellenbaum mutex_enter(&zfsvfs->z_lock); 42219e1320c0SMark Shellenbaum if (zfsvfs->z_shares_dir == 0) { 42229e1320c0SMark Shellenbaum dmu_tx_t *tx; 42239e1320c0SMark Shellenbaum 42249e1320c0SMark Shellenbaum tx = dmu_tx_create(zfsvfs->z_os); 42259e1320c0SMark Shellenbaum dmu_tx_hold_zap(tx, MASTER_NODE_OBJ, TRUE, 42269e1320c0SMark Shellenbaum ZFS_SHARES_DIR); 42279e1320c0SMark Shellenbaum dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, FALSE, NULL); 42289e1320c0SMark Shellenbaum error = dmu_tx_assign(tx, TXG_WAIT); 42299e1320c0SMark Shellenbaum if (error) { 42309e1320c0SMark Shellenbaum dmu_tx_abort(tx); 42319e1320c0SMark Shellenbaum } else { 42329e1320c0SMark Shellenbaum error = zfs_create_share_dir(zfsvfs, tx); 42339e1320c0SMark Shellenbaum dmu_tx_commit(tx); 42349e1320c0SMark Shellenbaum } 42359e1320c0SMark Shellenbaum if (error) { 42369e1320c0SMark Shellenbaum mutex_exit(&zfsvfs->z_lock); 42379e1320c0SMark Shellenbaum VN_RELE(vp); 42389e1320c0SMark Shellenbaum ZFS_EXIT(zfsvfs); 42399e1320c0SMark Shellenbaum return (error); 42409e1320c0SMark Shellenbaum } 42419e1320c0SMark Shellenbaum } 42429e1320c0SMark Shellenbaum mutex_exit(&zfsvfs->z_lock); 42439e1320c0SMark Shellenbaum 42449e1320c0SMark Shellenbaum ASSERT(zfsvfs->z_shares_dir); 4245743a77edSAlan Wright if ((error = zfs_zget(zfsvfs, zfsvfs->z_shares_dir, &sharedir)) != 0) { 42469e1320c0SMark Shellenbaum VN_RELE(vp); 4247743a77edSAlan Wright ZFS_EXIT(zfsvfs); 4248743a77edSAlan Wright return (error); 4249743a77edSAlan Wright } 4250743a77edSAlan Wright 4251743a77edSAlan Wright switch (zc->zc_cookie) { 4252743a77edSAlan Wright case ZFS_SMB_ACL_ADD: 4253743a77edSAlan Wright vattr.va_mask = AT_MODE|AT_UID|AT_GID|AT_TYPE; 4254743a77edSAlan Wright vattr.va_type = VREG; 4255743a77edSAlan Wright vattr.va_mode = S_IFREG|0777; 4256743a77edSAlan Wright vattr.va_uid = 0; 4257743a77edSAlan Wright vattr.va_gid = 0; 4258743a77edSAlan Wright 4259743a77edSAlan Wright vsec.vsa_mask = VSA_ACE; 4260743a77edSAlan Wright vsec.vsa_aclentp = &full_access; 4261743a77edSAlan Wright vsec.vsa_aclentsz = sizeof (full_access); 4262743a77edSAlan Wright vsec.vsa_aclcnt = 1; 4263743a77edSAlan Wright 4264743a77edSAlan Wright error = VOP_CREATE(ZTOV(sharedir), zc->zc_string, 4265743a77edSAlan Wright &vattr, EXCL, 0, &resourcevp, kcred, 0, NULL, &vsec); 4266743a77edSAlan Wright if (resourcevp) 4267743a77edSAlan Wright VN_RELE(resourcevp); 4268743a77edSAlan Wright break; 4269743a77edSAlan Wright 4270743a77edSAlan Wright case ZFS_SMB_ACL_REMOVE: 4271743a77edSAlan Wright error = VOP_REMOVE(ZTOV(sharedir), zc->zc_string, kcred, 4272743a77edSAlan Wright NULL, 0); 4273743a77edSAlan Wright break; 4274743a77edSAlan Wright 4275743a77edSAlan Wright case ZFS_SMB_ACL_RENAME: 4276743a77edSAlan Wright if ((error = get_nvlist(zc->zc_nvlist_src, 4277478ed9adSEric Taylor zc->zc_nvlist_src_size, zc->zc_iflags, &nvlist)) != 0) { 4278743a77edSAlan Wright VN_RELE(vp); 4279743a77edSAlan Wright ZFS_EXIT(zfsvfs); 4280743a77edSAlan Wright return (error); 4281743a77edSAlan Wright } 4282743a77edSAlan Wright if (nvlist_lookup_string(nvlist, ZFS_SMB_ACL_SRC, &src) || 4283743a77edSAlan Wright nvlist_lookup_string(nvlist, ZFS_SMB_ACL_TARGET, 4284743a77edSAlan Wright &target)) { 4285743a77edSAlan Wright VN_RELE(vp); 428689459e17SMark Shellenbaum VN_RELE(ZTOV(sharedir)); 4287743a77edSAlan Wright ZFS_EXIT(zfsvfs); 42881195e687SMark J Musante nvlist_free(nvlist); 4289743a77edSAlan Wright return (error); 4290743a77edSAlan Wright } 4291743a77edSAlan Wright error = VOP_RENAME(ZTOV(sharedir), src, ZTOV(sharedir), target, 4292743a77edSAlan Wright kcred, NULL, 0); 4293743a77edSAlan Wright nvlist_free(nvlist); 4294743a77edSAlan Wright break; 4295743a77edSAlan Wright 4296743a77edSAlan Wright case ZFS_SMB_ACL_PURGE: 4297743a77edSAlan Wright error = zfs_smb_acl_purge(sharedir); 4298743a77edSAlan Wright break; 4299743a77edSAlan Wright 4300743a77edSAlan Wright default: 4301743a77edSAlan Wright error = EINVAL; 4302743a77edSAlan Wright break; 4303743a77edSAlan Wright } 4304743a77edSAlan Wright 4305743a77edSAlan Wright VN_RELE(vp); 4306743a77edSAlan Wright VN_RELE(ZTOV(sharedir)); 4307743a77edSAlan Wright 4308743a77edSAlan Wright ZFS_EXIT(zfsvfs); 4309743a77edSAlan Wright 4310743a77edSAlan Wright return (error); 4311743a77edSAlan Wright } 4312743a77edSAlan Wright 4313842727c2SChris Kirby /* 4314842727c2SChris Kirby * inputs: 4315c99e4bdcSChris Kirby * zc_name name of filesystem 4316c99e4bdcSChris Kirby * zc_value short name of snap 4317c99e4bdcSChris Kirby * zc_string user-supplied tag for this hold 4318c99e4bdcSChris Kirby * zc_cookie recursive flag 4319c99e4bdcSChris Kirby * zc_temphold set if hold is temporary 4320c99e4bdcSChris Kirby * zc_cleanup_fd cleanup-on-exit file descriptor for calling process 4321*a7f53a56SChris Kirby * zc_sendobj if non-zero, the objid for zc_name@zc_value 4322*a7f53a56SChris Kirby * zc_createtxg if zc_sendobj is non-zero, snap must have zc_createtxg 4323842727c2SChris Kirby * 4324842727c2SChris Kirby * outputs: none 4325842727c2SChris Kirby */ 4326842727c2SChris Kirby static int 4327842727c2SChris Kirby zfs_ioc_hold(zfs_cmd_t *zc) 4328842727c2SChris Kirby { 4329842727c2SChris Kirby boolean_t recursive = zc->zc_cookie; 4330*a7f53a56SChris Kirby spa_t *spa; 4331*a7f53a56SChris Kirby dsl_pool_t *dp; 4332*a7f53a56SChris Kirby dsl_dataset_t *ds; 4333*a7f53a56SChris Kirby int error; 4334*a7f53a56SChris Kirby minor_t minor = 0; 4335842727c2SChris Kirby 4336842727c2SChris Kirby if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) 4337842727c2SChris Kirby return (EINVAL); 4338842727c2SChris Kirby 4339*a7f53a56SChris Kirby if (zc->zc_sendobj == 0) { 4340*a7f53a56SChris Kirby return (dsl_dataset_user_hold(zc->zc_name, zc->zc_value, 4341*a7f53a56SChris Kirby zc->zc_string, recursive, zc->zc_temphold, 4342*a7f53a56SChris Kirby zc->zc_cleanup_fd)); 4343*a7f53a56SChris Kirby } 4344*a7f53a56SChris Kirby 4345*a7f53a56SChris Kirby if (recursive) 4346*a7f53a56SChris Kirby return (EINVAL); 4347*a7f53a56SChris Kirby 4348*a7f53a56SChris Kirby error = spa_open(zc->zc_name, &spa, FTAG); 4349*a7f53a56SChris Kirby if (error) 4350*a7f53a56SChris Kirby return (error); 4351*a7f53a56SChris Kirby 4352*a7f53a56SChris Kirby dp = spa_get_dsl(spa); 4353*a7f53a56SChris Kirby rw_enter(&dp->dp_config_rwlock, RW_READER); 4354*a7f53a56SChris Kirby error = dsl_dataset_hold_obj(dp, zc->zc_sendobj, FTAG, &ds); 4355*a7f53a56SChris Kirby rw_exit(&dp->dp_config_rwlock); 4356*a7f53a56SChris Kirby spa_close(spa, FTAG); 4357*a7f53a56SChris Kirby if (error) 4358*a7f53a56SChris Kirby return (error); 4359*a7f53a56SChris Kirby 4360*a7f53a56SChris Kirby /* 4361*a7f53a56SChris Kirby * Until we have a hold on this snapshot, it's possible that 4362*a7f53a56SChris Kirby * zc_sendobj could've been destroyed and reused as part 4363*a7f53a56SChris Kirby * of a later txg. Make sure we're looking at the right object. 4364*a7f53a56SChris Kirby */ 4365*a7f53a56SChris Kirby if (zc->zc_createtxg != ds->ds_phys->ds_creation_txg) { 4366*a7f53a56SChris Kirby dsl_dataset_rele(ds, FTAG); 4367*a7f53a56SChris Kirby return (ENOENT); 4368*a7f53a56SChris Kirby } 4369*a7f53a56SChris Kirby 4370*a7f53a56SChris Kirby if (zc->zc_cleanup_fd != -1 && zc->zc_temphold) { 4371*a7f53a56SChris Kirby error = zfs_onexit_fd_hold(zc->zc_cleanup_fd, &minor); 4372*a7f53a56SChris Kirby if (error) { 4373*a7f53a56SChris Kirby dsl_dataset_rele(ds, FTAG); 4374*a7f53a56SChris Kirby return (error); 4375*a7f53a56SChris Kirby } 4376*a7f53a56SChris Kirby } 4377*a7f53a56SChris Kirby 4378*a7f53a56SChris Kirby error = dsl_dataset_user_hold_for_send(ds, zc->zc_string, 4379*a7f53a56SChris Kirby zc->zc_temphold); 4380*a7f53a56SChris Kirby if (minor != 0) { 4381*a7f53a56SChris Kirby if (error == 0) { 4382*a7f53a56SChris Kirby dsl_register_onexit_hold_cleanup(ds, zc->zc_string, 4383*a7f53a56SChris Kirby minor); 4384*a7f53a56SChris Kirby } 4385*a7f53a56SChris Kirby zfs_onexit_fd_rele(zc->zc_cleanup_fd); 4386*a7f53a56SChris Kirby } 4387*a7f53a56SChris Kirby dsl_dataset_rele(ds, FTAG); 4388*a7f53a56SChris Kirby 4389*a7f53a56SChris Kirby return (error); 4390842727c2SChris Kirby } 4391842727c2SChris Kirby 4392842727c2SChris Kirby /* 4393842727c2SChris Kirby * inputs: 4394c99e4bdcSChris Kirby * zc_name name of dataset from which we're releasing a user hold 4395842727c2SChris Kirby * zc_value short name of snap 4396c99e4bdcSChris Kirby * zc_string user-supplied tag for this hold 4397842727c2SChris Kirby * zc_cookie recursive flag 4398842727c2SChris Kirby * 4399c99e4bdcSChris Kirby * outputs: none 4400842727c2SChris Kirby */ 4401842727c2SChris Kirby static int 4402842727c2SChris Kirby zfs_ioc_release(zfs_cmd_t *zc) 4403842727c2SChris Kirby { 4404842727c2SChris Kirby boolean_t recursive = zc->zc_cookie; 4405842727c2SChris Kirby 4406842727c2SChris Kirby if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) 4407842727c2SChris Kirby return (EINVAL); 4408842727c2SChris Kirby 4409842727c2SChris Kirby return (dsl_dataset_user_release(zc->zc_name, zc->zc_value, 4410842727c2SChris Kirby zc->zc_string, recursive)); 4411842727c2SChris Kirby } 4412842727c2SChris Kirby 4413842727c2SChris Kirby /* 4414842727c2SChris Kirby * inputs: 4415842727c2SChris Kirby * zc_name name of filesystem 4416842727c2SChris Kirby * 4417842727c2SChris Kirby * outputs: 4418842727c2SChris Kirby * zc_nvlist_src{_size} nvlist of snapshot holds 4419842727c2SChris Kirby */ 4420842727c2SChris Kirby static int 4421842727c2SChris Kirby zfs_ioc_get_holds(zfs_cmd_t *zc) 4422842727c2SChris Kirby { 4423842727c2SChris Kirby nvlist_t *nvp; 4424842727c2SChris Kirby int error; 4425842727c2SChris Kirby 4426842727c2SChris Kirby if ((error = dsl_dataset_get_holds(zc->zc_name, &nvp)) == 0) { 4427842727c2SChris Kirby error = put_nvlist(zc, nvp); 4428842727c2SChris Kirby nvlist_free(nvp); 4429842727c2SChris Kirby } 4430842727c2SChris Kirby 4431842727c2SChris Kirby return (error); 4432842727c2SChris Kirby } 4433842727c2SChris Kirby 4434ecd6cf80Smarks /* 44352a6b87f0Sek * pool create, destroy, and export don't log the history as part of 44362a6b87f0Sek * zfsdev_ioctl, but rather zfs_ioc_pool_create, and zfs_ioc_pool_export 44372a6b87f0Sek * do the logging of those commands. 4438ecd6cf80Smarks */ 4439fa9e4066Sahrens static zfs_ioc_vec_t zfs_ioc_vec[] = { 444054d692b7SGeorge Wilson { zfs_ioc_pool_create, zfs_secpolicy_config, POOL_NAME, B_FALSE, 444154d692b7SGeorge Wilson B_FALSE }, 444254d692b7SGeorge Wilson { zfs_ioc_pool_destroy, zfs_secpolicy_config, POOL_NAME, B_FALSE, 444354d692b7SGeorge Wilson B_FALSE }, 444454d692b7SGeorge Wilson { zfs_ioc_pool_import, zfs_secpolicy_config, POOL_NAME, B_TRUE, 444554d692b7SGeorge Wilson B_FALSE }, 444654d692b7SGeorge Wilson { zfs_ioc_pool_export, zfs_secpolicy_config, POOL_NAME, B_FALSE, 444754d692b7SGeorge Wilson B_FALSE }, 444854d692b7SGeorge Wilson { zfs_ioc_pool_configs, zfs_secpolicy_none, NO_NAME, B_FALSE, 444954d692b7SGeorge Wilson B_FALSE }, 445054d692b7SGeorge Wilson { zfs_ioc_pool_stats, zfs_secpolicy_read, POOL_NAME, B_FALSE, 445154d692b7SGeorge Wilson B_FALSE }, 445254d692b7SGeorge Wilson { zfs_ioc_pool_tryimport, zfs_secpolicy_config, NO_NAME, B_FALSE, 445354d692b7SGeorge Wilson B_FALSE }, 44543f9d6ad7SLin Ling { zfs_ioc_pool_scan, zfs_secpolicy_config, POOL_NAME, B_TRUE, 445554d692b7SGeorge Wilson B_TRUE }, 445654d692b7SGeorge Wilson { zfs_ioc_pool_freeze, zfs_secpolicy_config, NO_NAME, B_FALSE, 445754d692b7SGeorge Wilson B_FALSE }, 445854d692b7SGeorge Wilson { zfs_ioc_pool_upgrade, zfs_secpolicy_config, POOL_NAME, B_TRUE, 445954d692b7SGeorge Wilson B_TRUE }, 446054d692b7SGeorge Wilson { zfs_ioc_pool_get_history, zfs_secpolicy_config, POOL_NAME, B_FALSE, 446154d692b7SGeorge Wilson B_FALSE }, 446254d692b7SGeorge Wilson { zfs_ioc_vdev_add, zfs_secpolicy_config, POOL_NAME, B_TRUE, 446354d692b7SGeorge Wilson B_TRUE }, 446454d692b7SGeorge Wilson { zfs_ioc_vdev_remove, zfs_secpolicy_config, POOL_NAME, B_TRUE, 446554d692b7SGeorge Wilson B_TRUE }, 446654d692b7SGeorge Wilson { zfs_ioc_vdev_set_state, zfs_secpolicy_config, POOL_NAME, B_TRUE, 446754d692b7SGeorge Wilson B_FALSE }, 446854d692b7SGeorge Wilson { zfs_ioc_vdev_attach, zfs_secpolicy_config, POOL_NAME, B_TRUE, 446954d692b7SGeorge Wilson B_TRUE }, 447054d692b7SGeorge Wilson { zfs_ioc_vdev_detach, zfs_secpolicy_config, POOL_NAME, B_TRUE, 447154d692b7SGeorge Wilson B_TRUE }, 447254d692b7SGeorge Wilson { zfs_ioc_vdev_setpath, zfs_secpolicy_config, POOL_NAME, B_FALSE, 447354d692b7SGeorge Wilson B_TRUE }, 44746809eb4eSEric Schrock { zfs_ioc_vdev_setfru, zfs_secpolicy_config, POOL_NAME, B_FALSE, 44756809eb4eSEric Schrock B_TRUE }, 447654d692b7SGeorge Wilson { zfs_ioc_objset_stats, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 4477cf2859fcSSanjeev Bagewadi B_TRUE }, 447854d692b7SGeorge Wilson { zfs_ioc_objset_zplprops, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 447954d692b7SGeorge Wilson B_FALSE }, 448054d692b7SGeorge Wilson { zfs_ioc_dataset_list_next, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 4481cf2859fcSSanjeev Bagewadi B_TRUE }, 448254d692b7SGeorge Wilson { zfs_ioc_snapshot_list_next, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 4483cf2859fcSSanjeev Bagewadi B_TRUE }, 448454d692b7SGeorge Wilson { zfs_ioc_set_prop, zfs_secpolicy_none, DATASET_NAME, B_TRUE, B_TRUE }, 448554d692b7SGeorge Wilson { zfs_ioc_create, zfs_secpolicy_create, DATASET_NAME, B_TRUE, B_TRUE }, 448654d692b7SGeorge Wilson { zfs_ioc_destroy, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE, 448754d692b7SGeorge Wilson B_TRUE}, 448854d692b7SGeorge Wilson { zfs_ioc_rollback, zfs_secpolicy_rollback, DATASET_NAME, B_TRUE, 448954d692b7SGeorge Wilson B_TRUE }, 449054d692b7SGeorge Wilson { zfs_ioc_rename, zfs_secpolicy_rename, DATASET_NAME, B_TRUE, B_TRUE }, 449154d692b7SGeorge Wilson { zfs_ioc_recv, zfs_secpolicy_receive, DATASET_NAME, B_TRUE, B_TRUE }, 449254d692b7SGeorge Wilson { zfs_ioc_send, zfs_secpolicy_send, DATASET_NAME, B_TRUE, B_FALSE }, 449354d692b7SGeorge Wilson { zfs_ioc_inject_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE, 449454d692b7SGeorge Wilson B_FALSE }, 449554d692b7SGeorge Wilson { zfs_ioc_clear_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE, 449654d692b7SGeorge Wilson B_FALSE }, 449754d692b7SGeorge Wilson { zfs_ioc_inject_list_next, zfs_secpolicy_inject, NO_NAME, B_FALSE, 449854d692b7SGeorge Wilson B_FALSE }, 449954d692b7SGeorge Wilson { zfs_ioc_error_log, zfs_secpolicy_inject, POOL_NAME, B_FALSE, 450054d692b7SGeorge Wilson B_FALSE }, 450154d692b7SGeorge Wilson { zfs_ioc_clear, zfs_secpolicy_config, POOL_NAME, B_TRUE, B_FALSE }, 450254d692b7SGeorge Wilson { zfs_ioc_promote, zfs_secpolicy_promote, DATASET_NAME, B_TRUE, 450354d692b7SGeorge Wilson B_TRUE }, 4504cbf6f6aaSWilliam Gorrell { zfs_ioc_destroy_snaps, zfs_secpolicy_destroy_snaps, DATASET_NAME, 4505cbf6f6aaSWilliam Gorrell B_TRUE, B_TRUE }, 450654d692b7SGeorge Wilson { zfs_ioc_snapshot, zfs_secpolicy_snapshot, DATASET_NAME, B_TRUE, 450754d692b7SGeorge Wilson B_TRUE }, 450854d692b7SGeorge Wilson { zfs_ioc_dsobj_to_dsname, zfs_secpolicy_config, POOL_NAME, B_FALSE, 450954d692b7SGeorge Wilson B_FALSE }, 45106e8a0f56SGeorge Wilson { zfs_ioc_obj_to_path, zfs_secpolicy_config, DATASET_NAME, B_FALSE, 45116e8a0f56SGeorge Wilson B_TRUE }, 451254d692b7SGeorge Wilson { zfs_ioc_pool_set_props, zfs_secpolicy_config, POOL_NAME, B_TRUE, 451354d692b7SGeorge Wilson B_TRUE }, 451454d692b7SGeorge Wilson { zfs_ioc_pool_get_props, zfs_secpolicy_read, POOL_NAME, B_FALSE, 451554d692b7SGeorge Wilson B_FALSE }, 451654d692b7SGeorge Wilson { zfs_ioc_set_fsacl, zfs_secpolicy_fsacl, DATASET_NAME, B_TRUE, 451754d692b7SGeorge Wilson B_TRUE }, 451854d692b7SGeorge Wilson { zfs_ioc_get_fsacl, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 451954d692b7SGeorge Wilson B_FALSE }, 452054d692b7SGeorge Wilson { zfs_ioc_share, zfs_secpolicy_share, DATASET_NAME, B_FALSE, B_FALSE }, 452154d692b7SGeorge Wilson { zfs_ioc_inherit_prop, zfs_secpolicy_inherit, DATASET_NAME, B_TRUE, 452254d692b7SGeorge Wilson B_TRUE }, 452354d692b7SGeorge Wilson { zfs_ioc_smb_acl, zfs_secpolicy_smb_acl, DATASET_NAME, B_FALSE, 452414843421SMatthew Ahrens B_FALSE }, 452514843421SMatthew Ahrens { zfs_ioc_userspace_one, zfs_secpolicy_userspace_one, 452614843421SMatthew Ahrens DATASET_NAME, B_FALSE, B_FALSE }, 452714843421SMatthew Ahrens { zfs_ioc_userspace_many, zfs_secpolicy_userspace_many, 452814843421SMatthew Ahrens DATASET_NAME, B_FALSE, B_FALSE }, 452914843421SMatthew Ahrens { zfs_ioc_userspace_upgrade, zfs_secpolicy_userspace_upgrade, 453014843421SMatthew Ahrens DATASET_NAME, B_FALSE, B_TRUE }, 4531842727c2SChris Kirby { zfs_ioc_hold, zfs_secpolicy_hold, DATASET_NAME, B_TRUE, B_TRUE }, 4532842727c2SChris Kirby { zfs_ioc_release, zfs_secpolicy_release, DATASET_NAME, B_TRUE, 4533842727c2SChris Kirby B_TRUE }, 4534842727c2SChris Kirby { zfs_ioc_get_holds, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 453592241e0bSTom Erickson B_TRUE }, 453692241e0bSTom Erickson { zfs_ioc_objset_recvd_props, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 45371195e687SMark J Musante B_FALSE }, 45381195e687SMark J Musante { zfs_ioc_vdev_split, zfs_secpolicy_config, POOL_NAME, B_TRUE, 45391195e687SMark J Musante B_TRUE } 4540fa9e4066Sahrens }; 4541fa9e4066Sahrens 454254d692b7SGeorge Wilson int 454354d692b7SGeorge Wilson pool_status_check(const char *name, zfs_ioc_namecheck_t type) 454454d692b7SGeorge Wilson { 454554d692b7SGeorge Wilson spa_t *spa; 454654d692b7SGeorge Wilson int error; 454754d692b7SGeorge Wilson 454854d692b7SGeorge Wilson ASSERT(type == POOL_NAME || type == DATASET_NAME); 454954d692b7SGeorge Wilson 455014843421SMatthew Ahrens error = spa_open(name, &spa, FTAG); 455154d692b7SGeorge Wilson if (error == 0) { 455254d692b7SGeorge Wilson if (spa_suspended(spa)) 455354d692b7SGeorge Wilson error = EAGAIN; 455454d692b7SGeorge Wilson spa_close(spa, FTAG); 455554d692b7SGeorge Wilson } 455654d692b7SGeorge Wilson return (error); 455754d692b7SGeorge Wilson } 455854d692b7SGeorge Wilson 4559c99e4bdcSChris Kirby /* 4560c99e4bdcSChris Kirby * Find a free minor number. 4561c99e4bdcSChris Kirby */ 4562c99e4bdcSChris Kirby minor_t 4563c99e4bdcSChris Kirby zfsdev_minor_alloc(void) 4564c99e4bdcSChris Kirby { 4565c99e4bdcSChris Kirby static minor_t last_minor; 4566c99e4bdcSChris Kirby minor_t m; 4567c99e4bdcSChris Kirby 4568c99e4bdcSChris Kirby ASSERT(MUTEX_HELD(&zfsdev_state_lock)); 4569c99e4bdcSChris Kirby 4570c99e4bdcSChris Kirby for (m = last_minor + 1; m != last_minor; m++) { 4571c99e4bdcSChris Kirby if (m > ZFSDEV_MAX_MINOR) 4572c99e4bdcSChris Kirby m = 1; 4573c99e4bdcSChris Kirby if (ddi_get_soft_state(zfsdev_state, m) == NULL) { 4574c99e4bdcSChris Kirby last_minor = m; 4575c99e4bdcSChris Kirby return (m); 4576c99e4bdcSChris Kirby } 4577c99e4bdcSChris Kirby } 4578c99e4bdcSChris Kirby 4579c99e4bdcSChris Kirby return (0); 4580c99e4bdcSChris Kirby } 4581c99e4bdcSChris Kirby 4582c99e4bdcSChris Kirby static int 4583c99e4bdcSChris Kirby zfs_ctldev_init(dev_t *devp) 4584c99e4bdcSChris Kirby { 4585c99e4bdcSChris Kirby minor_t minor; 4586c99e4bdcSChris Kirby zfs_soft_state_t *zs; 4587c99e4bdcSChris Kirby 4588c99e4bdcSChris Kirby ASSERT(MUTEX_HELD(&zfsdev_state_lock)); 4589c99e4bdcSChris Kirby ASSERT(getminor(*devp) == 0); 4590c99e4bdcSChris Kirby 4591c99e4bdcSChris Kirby minor = zfsdev_minor_alloc(); 4592c99e4bdcSChris Kirby if (minor == 0) 4593c99e4bdcSChris Kirby return (ENXIO); 4594c99e4bdcSChris Kirby 4595c99e4bdcSChris Kirby if (ddi_soft_state_zalloc(zfsdev_state, minor) != DDI_SUCCESS) 4596c99e4bdcSChris Kirby return (EAGAIN); 4597c99e4bdcSChris Kirby 4598c99e4bdcSChris Kirby *devp = makedevice(getemajor(*devp), minor); 4599c99e4bdcSChris Kirby 4600c99e4bdcSChris Kirby zs = ddi_get_soft_state(zfsdev_state, minor); 4601c99e4bdcSChris Kirby zs->zss_type = ZSST_CTLDEV; 4602c99e4bdcSChris Kirby zfs_onexit_init((zfs_onexit_t **)&zs->zss_data); 4603c99e4bdcSChris Kirby 4604c99e4bdcSChris Kirby return (0); 4605c99e4bdcSChris Kirby } 4606c99e4bdcSChris Kirby 4607c99e4bdcSChris Kirby static void 4608c99e4bdcSChris Kirby zfs_ctldev_destroy(zfs_onexit_t *zo, minor_t minor) 4609c99e4bdcSChris Kirby { 4610c99e4bdcSChris Kirby ASSERT(MUTEX_HELD(&zfsdev_state_lock)); 4611c99e4bdcSChris Kirby 4612c99e4bdcSChris Kirby zfs_onexit_destroy(zo); 4613c99e4bdcSChris Kirby ddi_soft_state_free(zfsdev_state, minor); 4614c99e4bdcSChris Kirby } 4615c99e4bdcSChris Kirby 4616c99e4bdcSChris Kirby void * 4617c99e4bdcSChris Kirby zfsdev_get_soft_state(minor_t minor, enum zfs_soft_state_type which) 4618c99e4bdcSChris Kirby { 4619c99e4bdcSChris Kirby zfs_soft_state_t *zp; 4620c99e4bdcSChris Kirby 4621c99e4bdcSChris Kirby zp = ddi_get_soft_state(zfsdev_state, minor); 4622c99e4bdcSChris Kirby if (zp == NULL || zp->zss_type != which) 4623c99e4bdcSChris Kirby return (NULL); 4624c99e4bdcSChris Kirby 4625c99e4bdcSChris Kirby return (zp->zss_data); 4626c99e4bdcSChris Kirby } 4627c99e4bdcSChris Kirby 4628c99e4bdcSChris Kirby static int 4629c99e4bdcSChris Kirby zfsdev_open(dev_t *devp, int flag, int otyp, cred_t *cr) 4630c99e4bdcSChris Kirby { 4631c99e4bdcSChris Kirby int error = 0; 4632c99e4bdcSChris Kirby 4633c99e4bdcSChris Kirby if (getminor(*devp) != 0) 4634c99e4bdcSChris Kirby return (zvol_open(devp, flag, otyp, cr)); 4635c99e4bdcSChris Kirby 4636c99e4bdcSChris Kirby /* This is the control device. Allocate a new minor if requested. */ 4637c99e4bdcSChris Kirby if (flag & FEXCL) { 4638c99e4bdcSChris Kirby mutex_enter(&zfsdev_state_lock); 4639c99e4bdcSChris Kirby error = zfs_ctldev_init(devp); 4640c99e4bdcSChris Kirby mutex_exit(&zfsdev_state_lock); 4641c99e4bdcSChris Kirby } 4642c99e4bdcSChris Kirby 4643c99e4bdcSChris Kirby return (error); 4644c99e4bdcSChris Kirby } 4645c99e4bdcSChris Kirby 4646c99e4bdcSChris Kirby static int 4647c99e4bdcSChris Kirby zfsdev_close(dev_t dev, int flag, int otyp, cred_t *cr) 4648c99e4bdcSChris Kirby { 4649c99e4bdcSChris Kirby zfs_onexit_t *zo; 4650c99e4bdcSChris Kirby minor_t minor = getminor(dev); 4651c99e4bdcSChris Kirby 4652c99e4bdcSChris Kirby if (minor == 0) 4653c99e4bdcSChris Kirby return (0); 4654c99e4bdcSChris Kirby 4655c99e4bdcSChris Kirby mutex_enter(&zfsdev_state_lock); 4656c99e4bdcSChris Kirby zo = zfsdev_get_soft_state(minor, ZSST_CTLDEV); 4657c99e4bdcSChris Kirby if (zo == NULL) { 4658c99e4bdcSChris Kirby mutex_exit(&zfsdev_state_lock); 4659c99e4bdcSChris Kirby return (zvol_close(dev, flag, otyp, cr)); 4660c99e4bdcSChris Kirby } 4661c99e4bdcSChris Kirby zfs_ctldev_destroy(zo, minor); 4662c99e4bdcSChris Kirby mutex_exit(&zfsdev_state_lock); 4663c99e4bdcSChris Kirby 4664c99e4bdcSChris Kirby return (0); 4665c99e4bdcSChris Kirby } 4666c99e4bdcSChris Kirby 4667fa9e4066Sahrens static int 4668fa9e4066Sahrens zfsdev_ioctl(dev_t dev, int cmd, intptr_t arg, int flag, cred_t *cr, int *rvalp) 4669fa9e4066Sahrens { 4670fa9e4066Sahrens zfs_cmd_t *zc; 4671fa9e4066Sahrens uint_t vec; 46721d452cf5Sahrens int error, rc; 4673c99e4bdcSChris Kirby minor_t minor = getminor(dev); 4674fa9e4066Sahrens 4675c99e4bdcSChris Kirby if (minor != 0 && 4676c99e4bdcSChris Kirby zfsdev_get_soft_state(minor, ZSST_CTLDEV) == NULL) 4677fa9e4066Sahrens return (zvol_ioctl(dev, cmd, arg, flag, cr, rvalp)); 4678fa9e4066Sahrens 4679fa9e4066Sahrens vec = cmd - ZFS_IOC; 468091ebeef5Sahrens ASSERT3U(getmajor(dev), ==, ddi_driver_major(zfs_dip)); 4681fa9e4066Sahrens 4682fa9e4066Sahrens if (vec >= sizeof (zfs_ioc_vec) / sizeof (zfs_ioc_vec[0])) 4683fa9e4066Sahrens return (EINVAL); 4684fa9e4066Sahrens 4685fa9e4066Sahrens zc = kmem_zalloc(sizeof (zfs_cmd_t), KM_SLEEP); 4686fa9e4066Sahrens 4687478ed9adSEric Taylor error = ddi_copyin((void *)arg, zc, sizeof (zfs_cmd_t), flag); 46886e27f868SSam Falkner if (error != 0) 46896e27f868SSam Falkner error = EFAULT; 4690fa9e4066Sahrens 4691681d9761SEric Taylor if ((error == 0) && !(flag & FKIOCTL)) 4692ecd6cf80Smarks error = zfs_ioc_vec[vec].zvec_secpolicy(zc, cr); 4693fa9e4066Sahrens 4694fa9e4066Sahrens /* 4695fa9e4066Sahrens * Ensure that all pool/dataset names are valid before we pass down to 4696fa9e4066Sahrens * the lower layers. 4697fa9e4066Sahrens */ 4698fa9e4066Sahrens if (error == 0) { 4699fa9e4066Sahrens zc->zc_name[sizeof (zc->zc_name) - 1] = '\0'; 4700478ed9adSEric Taylor zc->zc_iflags = flag & FKIOCTL; 4701fa9e4066Sahrens switch (zfs_ioc_vec[vec].zvec_namecheck) { 4702e7437265Sahrens case POOL_NAME: 4703fa9e4066Sahrens if (pool_namecheck(zc->zc_name, NULL, NULL) != 0) 4704fa9e4066Sahrens error = EINVAL; 470554d692b7SGeorge Wilson if (zfs_ioc_vec[vec].zvec_pool_check) 470654d692b7SGeorge Wilson error = pool_status_check(zc->zc_name, 470754d692b7SGeorge Wilson zfs_ioc_vec[vec].zvec_namecheck); 4708fa9e4066Sahrens break; 4709fa9e4066Sahrens 4710e7437265Sahrens case DATASET_NAME: 4711fa9e4066Sahrens if (dataset_namecheck(zc->zc_name, NULL, NULL) != 0) 4712fa9e4066Sahrens error = EINVAL; 471354d692b7SGeorge Wilson if (zfs_ioc_vec[vec].zvec_pool_check) 471454d692b7SGeorge Wilson error = pool_status_check(zc->zc_name, 471554d692b7SGeorge Wilson zfs_ioc_vec[vec].zvec_namecheck); 4716fa9e4066Sahrens break; 47175ad82045Snd 4718e7437265Sahrens case NO_NAME: 47195ad82045Snd break; 4720fa9e4066Sahrens } 4721fa9e4066Sahrens } 4722fa9e4066Sahrens 4723fa9e4066Sahrens if (error == 0) 4724fa9e4066Sahrens error = zfs_ioc_vec[vec].zvec_func(zc); 4725fa9e4066Sahrens 4726478ed9adSEric Taylor rc = ddi_copyout(zc, (void *)arg, sizeof (zfs_cmd_t), flag); 4727ecd6cf80Smarks if (error == 0) { 47286e27f868SSam Falkner if (rc != 0) 47296e27f868SSam Falkner error = EFAULT; 473014843421SMatthew Ahrens if (zfs_ioc_vec[vec].zvec_his_log) 4731ecd6cf80Smarks zfs_log_history(zc); 4732ecd6cf80Smarks } 4733fa9e4066Sahrens 4734fa9e4066Sahrens kmem_free(zc, sizeof (zfs_cmd_t)); 4735fa9e4066Sahrens return (error); 4736fa9e4066Sahrens } 4737fa9e4066Sahrens 4738fa9e4066Sahrens static int 4739fa9e4066Sahrens zfs_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 4740fa9e4066Sahrens { 4741fa9e4066Sahrens if (cmd != DDI_ATTACH) 4742fa9e4066Sahrens return (DDI_FAILURE); 4743fa9e4066Sahrens 4744fa9e4066Sahrens if (ddi_create_minor_node(dip, "zfs", S_IFCHR, 0, 4745fa9e4066Sahrens DDI_PSEUDO, 0) == DDI_FAILURE) 4746fa9e4066Sahrens return (DDI_FAILURE); 4747fa9e4066Sahrens 4748fa9e4066Sahrens zfs_dip = dip; 4749fa9e4066Sahrens 4750fa9e4066Sahrens ddi_report_dev(dip); 4751fa9e4066Sahrens 4752fa9e4066Sahrens return (DDI_SUCCESS); 4753fa9e4066Sahrens } 4754fa9e4066Sahrens 4755fa9e4066Sahrens static int 4756fa9e4066Sahrens zfs_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 4757fa9e4066Sahrens { 4758fa9e4066Sahrens if (spa_busy() || zfs_busy() || zvol_busy()) 4759fa9e4066Sahrens return (DDI_FAILURE); 4760fa9e4066Sahrens 4761fa9e4066Sahrens if (cmd != DDI_DETACH) 4762fa9e4066Sahrens return (DDI_FAILURE); 4763fa9e4066Sahrens 4764fa9e4066Sahrens zfs_dip = NULL; 4765fa9e4066Sahrens 4766fa9e4066Sahrens ddi_prop_remove_all(dip); 4767fa9e4066Sahrens ddi_remove_minor_node(dip, NULL); 4768fa9e4066Sahrens 4769fa9e4066Sahrens return (DDI_SUCCESS); 4770fa9e4066Sahrens } 4771fa9e4066Sahrens 4772fa9e4066Sahrens /*ARGSUSED*/ 4773fa9e4066Sahrens static int 4774fa9e4066Sahrens zfs_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) 4775fa9e4066Sahrens { 4776fa9e4066Sahrens switch (infocmd) { 4777fa9e4066Sahrens case DDI_INFO_DEVT2DEVINFO: 4778fa9e4066Sahrens *result = zfs_dip; 4779fa9e4066Sahrens return (DDI_SUCCESS); 4780fa9e4066Sahrens 4781fa9e4066Sahrens case DDI_INFO_DEVT2INSTANCE: 4782a0965f35Sbonwick *result = (void *)0; 4783fa9e4066Sahrens return (DDI_SUCCESS); 4784fa9e4066Sahrens } 4785fa9e4066Sahrens 4786fa9e4066Sahrens return (DDI_FAILURE); 4787fa9e4066Sahrens } 4788fa9e4066Sahrens 4789fa9e4066Sahrens /* 4790fa9e4066Sahrens * OK, so this is a little weird. 4791fa9e4066Sahrens * 4792fa9e4066Sahrens * /dev/zfs is the control node, i.e. minor 0. 4793fa9e4066Sahrens * /dev/zvol/[r]dsk/pool/dataset are the zvols, minor > 0. 4794fa9e4066Sahrens * 4795fa9e4066Sahrens * /dev/zfs has basically nothing to do except serve up ioctls, 4796fa9e4066Sahrens * so most of the standard driver entry points are in zvol.c. 4797fa9e4066Sahrens */ 4798fa9e4066Sahrens static struct cb_ops zfs_cb_ops = { 4799c99e4bdcSChris Kirby zfsdev_open, /* open */ 4800c99e4bdcSChris Kirby zfsdev_close, /* close */ 4801fa9e4066Sahrens zvol_strategy, /* strategy */ 4802fa9e4066Sahrens nodev, /* print */ 4803e7cbe64fSgw zvol_dump, /* dump */ 4804fa9e4066Sahrens zvol_read, /* read */ 4805fa9e4066Sahrens zvol_write, /* write */ 4806fa9e4066Sahrens zfsdev_ioctl, /* ioctl */ 4807fa9e4066Sahrens nodev, /* devmap */ 4808fa9e4066Sahrens nodev, /* mmap */ 4809fa9e4066Sahrens nodev, /* segmap */ 4810fa9e4066Sahrens nochpoll, /* poll */ 4811fa9e4066Sahrens ddi_prop_op, /* prop_op */ 4812fa9e4066Sahrens NULL, /* streamtab */ 4813fa9e4066Sahrens D_NEW | D_MP | D_64BIT, /* Driver compatibility flag */ 4814fa9e4066Sahrens CB_REV, /* version */ 4815feb08c6bSbillm nodev, /* async read */ 4816feb08c6bSbillm nodev, /* async write */ 4817fa9e4066Sahrens }; 4818fa9e4066Sahrens 4819fa9e4066Sahrens static struct dev_ops zfs_dev_ops = { 4820fa9e4066Sahrens DEVO_REV, /* version */ 4821fa9e4066Sahrens 0, /* refcnt */ 4822fa9e4066Sahrens zfs_info, /* info */ 4823fa9e4066Sahrens nulldev, /* identify */ 4824fa9e4066Sahrens nulldev, /* probe */ 4825fa9e4066Sahrens zfs_attach, /* attach */ 4826fa9e4066Sahrens zfs_detach, /* detach */ 4827fa9e4066Sahrens nodev, /* reset */ 4828fa9e4066Sahrens &zfs_cb_ops, /* driver operations */ 482919397407SSherry Moore NULL, /* no bus operations */ 483019397407SSherry Moore NULL, /* power */ 483119397407SSherry Moore ddi_quiesce_not_needed, /* quiesce */ 4832fa9e4066Sahrens }; 4833fa9e4066Sahrens 4834fa9e4066Sahrens static struct modldrv zfs_modldrv = { 483519397407SSherry Moore &mod_driverops, 483619397407SSherry Moore "ZFS storage pool", 483719397407SSherry Moore &zfs_dev_ops 4838fa9e4066Sahrens }; 4839fa9e4066Sahrens 4840fa9e4066Sahrens static struct modlinkage modlinkage = { 4841fa9e4066Sahrens MODREV_1, 4842fa9e4066Sahrens (void *)&zfs_modlfs, 4843fa9e4066Sahrens (void *)&zfs_modldrv, 4844fa9e4066Sahrens NULL 4845fa9e4066Sahrens }; 4846fa9e4066Sahrens 4847ec533521Sfr 4848ec533521Sfr uint_t zfs_fsyncer_key; 4849f18faf3fSek extern uint_t rrw_tsd_key; 4850ec533521Sfr 4851fa9e4066Sahrens int 4852fa9e4066Sahrens _init(void) 4853fa9e4066Sahrens { 4854fa9e4066Sahrens int error; 4855fa9e4066Sahrens 4856a0965f35Sbonwick spa_init(FREAD | FWRITE); 4857a0965f35Sbonwick zfs_init(); 4858a0965f35Sbonwick zvol_init(); 4859a0965f35Sbonwick 4860a0965f35Sbonwick if ((error = mod_install(&modlinkage)) != 0) { 4861a0965f35Sbonwick zvol_fini(); 4862a0965f35Sbonwick zfs_fini(); 4863a0965f35Sbonwick spa_fini(); 4864fa9e4066Sahrens return (error); 4865a0965f35Sbonwick } 4866fa9e4066Sahrens 4867ec533521Sfr tsd_create(&zfs_fsyncer_key, NULL); 4868f18faf3fSek tsd_create(&rrw_tsd_key, NULL); 4869ec533521Sfr 4870fa9e4066Sahrens error = ldi_ident_from_mod(&modlinkage, &zfs_li); 4871fa9e4066Sahrens ASSERT(error == 0); 4872ecd6cf80Smarks mutex_init(&zfs_share_lock, NULL, MUTEX_DEFAULT, NULL); 4873fa9e4066Sahrens 4874fa9e4066Sahrens return (0); 4875fa9e4066Sahrens } 4876fa9e4066Sahrens 4877fa9e4066Sahrens int 4878fa9e4066Sahrens _fini(void) 4879fa9e4066Sahrens { 4880fa9e4066Sahrens int error; 4881fa9e4066Sahrens 4882ea8dc4b6Seschrock if (spa_busy() || zfs_busy() || zvol_busy() || zio_injection_enabled) 4883fa9e4066Sahrens return (EBUSY); 4884fa9e4066Sahrens 4885fa9e4066Sahrens if ((error = mod_remove(&modlinkage)) != 0) 4886fa9e4066Sahrens return (error); 4887fa9e4066Sahrens 4888fa9e4066Sahrens zvol_fini(); 4889fa9e4066Sahrens zfs_fini(); 4890fa9e4066Sahrens spa_fini(); 4891da6c28aaSamw if (zfs_nfsshare_inited) 4892ecd6cf80Smarks (void) ddi_modclose(nfs_mod); 4893da6c28aaSamw if (zfs_smbshare_inited) 4894da6c28aaSamw (void) ddi_modclose(smbsrv_mod); 4895da6c28aaSamw if (zfs_nfsshare_inited || zfs_smbshare_inited) 4896ecd6cf80Smarks (void) ddi_modclose(sharefs_mod); 4897fa9e4066Sahrens 4898ec533521Sfr tsd_destroy(&zfs_fsyncer_key); 4899fa9e4066Sahrens ldi_ident_release(zfs_li); 4900fa9e4066Sahrens zfs_li = NULL; 4901ecd6cf80Smarks mutex_destroy(&zfs_share_lock); 4902fa9e4066Sahrens 4903fa9e4066Sahrens return (error); 4904fa9e4066Sahrens } 4905fa9e4066Sahrens 4906fa9e4066Sahrens int 4907fa9e4066Sahrens _info(struct modinfo *modinfop) 4908fa9e4066Sahrens { 4909fa9e4066Sahrens return (mod_info(&modlinkage, modinfop)); 4910fa9e4066Sahrens } 4911