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 /* 22379c004dSEric Schrock * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens #include <sys/types.h> 27fa9e4066Sahrens #include <sys/param.h> 28fa9e4066Sahrens #include <sys/errno.h> 29fa9e4066Sahrens #include <sys/uio.h> 30fa9e4066Sahrens #include <sys/buf.h> 31fa9e4066Sahrens #include <sys/modctl.h> 32fa9e4066Sahrens #include <sys/open.h> 33fa9e4066Sahrens #include <sys/file.h> 34fa9e4066Sahrens #include <sys/kmem.h> 35fa9e4066Sahrens #include <sys/conf.h> 36fa9e4066Sahrens #include <sys/cmn_err.h> 37fa9e4066Sahrens #include <sys/stat.h> 38fa9e4066Sahrens #include <sys/zfs_ioctl.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> 44b1b8ab34Slling #include <sys/vdev_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> 63a2eea2e1Sahrens #include <sys/zvol.h> 64ecd6cf80Smarks #include <sharefs/share.h> 65f18faf3fSek #include <sys/dmu_objset.h> 66fa9e4066Sahrens 67fa9e4066Sahrens #include "zfs_namecheck.h" 68e9dbad6fSeschrock #include "zfs_prop.h" 69ecd6cf80Smarks #include "zfs_deleg.h" 70fa9e4066Sahrens 71fa9e4066Sahrens extern struct modlfs zfs_modlfs; 72fa9e4066Sahrens 73fa9e4066Sahrens extern void zfs_init(void); 74fa9e4066Sahrens extern void zfs_fini(void); 75fa9e4066Sahrens 76fa9e4066Sahrens ldi_ident_t zfs_li = NULL; 77fa9e4066Sahrens dev_info_t *zfs_dip; 78fa9e4066Sahrens 79fa9e4066Sahrens typedef int zfs_ioc_func_t(zfs_cmd_t *); 80ecd6cf80Smarks typedef int zfs_secpolicy_func_t(zfs_cmd_t *, cred_t *); 81fa9e4066Sahrens 8254d692b7SGeorge Wilson typedef enum { 8354d692b7SGeorge Wilson NO_NAME, 8454d692b7SGeorge Wilson POOL_NAME, 8554d692b7SGeorge Wilson DATASET_NAME 8654d692b7SGeorge Wilson } zfs_ioc_namecheck_t; 8754d692b7SGeorge Wilson 88fa9e4066Sahrens typedef struct zfs_ioc_vec { 89fa9e4066Sahrens zfs_ioc_func_t *zvec_func; 90fa9e4066Sahrens zfs_secpolicy_func_t *zvec_secpolicy; 9154d692b7SGeorge Wilson zfs_ioc_namecheck_t zvec_namecheck; 92ecd6cf80Smarks boolean_t zvec_his_log; 9354d692b7SGeorge Wilson boolean_t zvec_pool_check; 94fa9e4066Sahrens } zfs_ioc_vec_t; 95fa9e4066Sahrens 9614843421SMatthew Ahrens /* This array is indexed by zfs_userquota_prop_t */ 9714843421SMatthew Ahrens static const char *userquota_perms[] = { 9814843421SMatthew Ahrens ZFS_DELEG_PERM_USERUSED, 9914843421SMatthew Ahrens ZFS_DELEG_PERM_USERQUOTA, 10014843421SMatthew Ahrens ZFS_DELEG_PERM_GROUPUSED, 10114843421SMatthew Ahrens ZFS_DELEG_PERM_GROUPQUOTA, 10214843421SMatthew Ahrens }; 10314843421SMatthew Ahrens 10414843421SMatthew Ahrens static int zfs_ioc_userspace_upgrade(zfs_cmd_t *zc); 1056e77af0aSDavid Pacheco static void clear_props(char *dataset, nvlist_t *props, nvlist_t *newprops); 1060a48a24eStimh static int zfs_fill_zplprops_root(uint64_t, nvlist_t *, nvlist_t *, 1070a48a24eStimh boolean_t *); 1080a48a24eStimh int zfs_set_prop_nvlist(const char *, nvlist_t *); 1090a48a24eStimh 110fa9e4066Sahrens /* _NOTE(PRINTFLIKE(4)) - this is printf-like, but lint is too whiney */ 111fa9e4066Sahrens void 112fa9e4066Sahrens __dprintf(const char *file, const char *func, int line, const char *fmt, ...) 113fa9e4066Sahrens { 114fa9e4066Sahrens const char *newfile; 115fa9e4066Sahrens char buf[256]; 116fa9e4066Sahrens va_list adx; 117fa9e4066Sahrens 118fa9e4066Sahrens /* 119fa9e4066Sahrens * Get rid of annoying "../common/" prefix to filename. 120fa9e4066Sahrens */ 121fa9e4066Sahrens newfile = strrchr(file, '/'); 122fa9e4066Sahrens if (newfile != NULL) { 123fa9e4066Sahrens newfile = newfile + 1; /* Get rid of leading / */ 124fa9e4066Sahrens } else { 125fa9e4066Sahrens newfile = file; 126fa9e4066Sahrens } 127fa9e4066Sahrens 128fa9e4066Sahrens va_start(adx, fmt); 129fa9e4066Sahrens (void) vsnprintf(buf, sizeof (buf), fmt, adx); 130fa9e4066Sahrens va_end(adx); 131fa9e4066Sahrens 132fa9e4066Sahrens /* 133fa9e4066Sahrens * To get this data, use the zfs-dprintf probe as so: 134fa9e4066Sahrens * dtrace -q -n 'zfs-dprintf \ 135fa9e4066Sahrens * /stringof(arg0) == "dbuf.c"/ \ 136fa9e4066Sahrens * {printf("%s: %s", stringof(arg1), stringof(arg3))}' 137fa9e4066Sahrens * arg0 = file name 138fa9e4066Sahrens * arg1 = function name 139fa9e4066Sahrens * arg2 = line number 140fa9e4066Sahrens * arg3 = message 141fa9e4066Sahrens */ 142fa9e4066Sahrens DTRACE_PROBE4(zfs__dprintf, 143fa9e4066Sahrens char *, newfile, char *, func, int, line, char *, buf); 144fa9e4066Sahrens } 145fa9e4066Sahrens 146ecd6cf80Smarks static void 147228975ccSek history_str_free(char *buf) 148228975ccSek { 149228975ccSek kmem_free(buf, HIS_MAX_RECORD_LEN); 150228975ccSek } 151228975ccSek 152228975ccSek static char * 153228975ccSek history_str_get(zfs_cmd_t *zc) 154ecd6cf80Smarks { 15540feaa91Sahrens char *buf; 156ecd6cf80Smarks 157ecd6cf80Smarks if (zc->zc_history == NULL) 158228975ccSek return (NULL); 159e7437265Sahrens 160ecd6cf80Smarks buf = kmem_alloc(HIS_MAX_RECORD_LEN, KM_SLEEP); 161ecd6cf80Smarks if (copyinstr((void *)(uintptr_t)zc->zc_history, 162ecd6cf80Smarks buf, HIS_MAX_RECORD_LEN, NULL) != 0) { 163228975ccSek history_str_free(buf); 164228975ccSek return (NULL); 165ecd6cf80Smarks } 166ecd6cf80Smarks 167ecd6cf80Smarks buf[HIS_MAX_RECORD_LEN -1] = '\0'; 168ecd6cf80Smarks 169228975ccSek return (buf); 170228975ccSek } 171ecd6cf80Smarks 17215e6edf1Sgw /* 17315e6edf1Sgw * Check to see if the named dataset is currently defined as bootable 17415e6edf1Sgw */ 17515e6edf1Sgw static boolean_t 17615e6edf1Sgw zfs_is_bootfs(const char *name) 17715e6edf1Sgw { 178*503ad85cSMatthew Ahrens objset_t *os; 17915e6edf1Sgw 180*503ad85cSMatthew Ahrens if (dmu_objset_hold(name, FTAG, &os) == 0) { 181*503ad85cSMatthew Ahrens boolean_t ret; 182*503ad85cSMatthew Ahrens ret = (dmu_objset_id(os) == dmu_objset_spa(os)->spa_bootfs); 183*503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 184*503ad85cSMatthew Ahrens return (ret); 18515e6edf1Sgw } 186*503ad85cSMatthew Ahrens return (B_FALSE); 18715e6edf1Sgw } 18815e6edf1Sgw 189c2a93d44Stimh /* 1900a48a24eStimh * zfs_earlier_version 191c2a93d44Stimh * 192c2a93d44Stimh * Return non-zero if the spa version is less than requested version. 193c2a93d44Stimh */ 194da6c28aaSamw static int 1950a48a24eStimh zfs_earlier_version(const char *name, int version) 196da6c28aaSamw { 197da6c28aaSamw spa_t *spa; 198da6c28aaSamw 199da6c28aaSamw if (spa_open(name, &spa, FTAG) == 0) { 200da6c28aaSamw if (spa_version(spa) < version) { 201da6c28aaSamw spa_close(spa, FTAG); 202da6c28aaSamw return (1); 203da6c28aaSamw } 204da6c28aaSamw spa_close(spa, FTAG); 205da6c28aaSamw } 206da6c28aaSamw return (0); 207da6c28aaSamw } 208da6c28aaSamw 2099e6eda55Smarks /* 210745cd3c5Smaybee * zpl_earlier_version 2119e6eda55Smarks * 212745cd3c5Smaybee * Return TRUE if the ZPL version is less than requested version. 2139e6eda55Smarks */ 214745cd3c5Smaybee static boolean_t 215745cd3c5Smaybee zpl_earlier_version(const char *name, int version) 2169e6eda55Smarks { 2179e6eda55Smarks objset_t *os; 218745cd3c5Smaybee boolean_t rc = B_TRUE; 2199e6eda55Smarks 220*503ad85cSMatthew Ahrens if (dmu_objset_hold(name, FTAG, &os) == 0) { 221745cd3c5Smaybee uint64_t zplversion; 2229e6eda55Smarks 223*503ad85cSMatthew Ahrens if (dmu_objset_type(os) != DMU_OST_ZFS) { 224*503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 225*503ad85cSMatthew Ahrens return (B_TRUE); 226*503ad85cSMatthew Ahrens } 227*503ad85cSMatthew Ahrens /* XXX reading from non-owned objset */ 228745cd3c5Smaybee if (zfs_get_zplprop(os, ZFS_PROP_VERSION, &zplversion) == 0) 229745cd3c5Smaybee rc = zplversion < version; 230*503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 2319e6eda55Smarks } 2329e6eda55Smarks return (rc); 2339e6eda55Smarks } 2349e6eda55Smarks 235228975ccSek static void 236228975ccSek zfs_log_history(zfs_cmd_t *zc) 237228975ccSek { 238228975ccSek spa_t *spa; 239228975ccSek char *buf; 240ecd6cf80Smarks 241228975ccSek if ((buf = history_str_get(zc)) == NULL) 242228975ccSek return; 243228975ccSek 244228975ccSek if (spa_open(zc->zc_name, &spa, FTAG) == 0) { 245228975ccSek if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY) 246228975ccSek (void) spa_history_log(spa, buf, LOG_CMD_NORMAL); 247228975ccSek spa_close(spa, FTAG); 248228975ccSek } 249228975ccSek history_str_free(buf); 250ecd6cf80Smarks } 251ecd6cf80Smarks 252fa9e4066Sahrens /* 253fa9e4066Sahrens * Policy for top-level read operations (list pools). Requires no privileges, 254fa9e4066Sahrens * and can be used in the local zone, as there is no associated dataset. 255fa9e4066Sahrens */ 256fa9e4066Sahrens /* ARGSUSED */ 257fa9e4066Sahrens static int 258ecd6cf80Smarks zfs_secpolicy_none(zfs_cmd_t *zc, cred_t *cr) 259fa9e4066Sahrens { 260fa9e4066Sahrens return (0); 261fa9e4066Sahrens } 262fa9e4066Sahrens 263fa9e4066Sahrens /* 264fa9e4066Sahrens * Policy for dataset read operations (list children, get statistics). Requires 265fa9e4066Sahrens * no privileges, but must be visible in the local zone. 266fa9e4066Sahrens */ 267fa9e4066Sahrens /* ARGSUSED */ 268fa9e4066Sahrens static int 269ecd6cf80Smarks zfs_secpolicy_read(zfs_cmd_t *zc, cred_t *cr) 270fa9e4066Sahrens { 271fa9e4066Sahrens if (INGLOBALZONE(curproc) || 272ecd6cf80Smarks zone_dataset_visible(zc->zc_name, NULL)) 273fa9e4066Sahrens return (0); 274fa9e4066Sahrens 275fa9e4066Sahrens return (ENOENT); 276fa9e4066Sahrens } 277fa9e4066Sahrens 278fa9e4066Sahrens static int 279fa9e4066Sahrens zfs_dozonecheck(const char *dataset, cred_t *cr) 280fa9e4066Sahrens { 281fa9e4066Sahrens uint64_t zoned; 282fa9e4066Sahrens int writable = 1; 283fa9e4066Sahrens 284fa9e4066Sahrens /* 285fa9e4066Sahrens * The dataset must be visible by this zone -- check this first 286fa9e4066Sahrens * so they don't see EPERM on something they shouldn't know about. 287fa9e4066Sahrens */ 288fa9e4066Sahrens if (!INGLOBALZONE(curproc) && 289fa9e4066Sahrens !zone_dataset_visible(dataset, &writable)) 290fa9e4066Sahrens return (ENOENT); 291fa9e4066Sahrens 292fa9e4066Sahrens if (dsl_prop_get_integer(dataset, "zoned", &zoned, NULL)) 293fa9e4066Sahrens return (ENOENT); 294fa9e4066Sahrens 295fa9e4066Sahrens if (INGLOBALZONE(curproc)) { 296fa9e4066Sahrens /* 297fa9e4066Sahrens * If the fs is zoned, only root can access it from the 298fa9e4066Sahrens * global zone. 299fa9e4066Sahrens */ 300fa9e4066Sahrens if (secpolicy_zfs(cr) && zoned) 301fa9e4066Sahrens return (EPERM); 302fa9e4066Sahrens } else { 303fa9e4066Sahrens /* 304fa9e4066Sahrens * If we are in a local zone, the 'zoned' property must be set. 305fa9e4066Sahrens */ 306fa9e4066Sahrens if (!zoned) 307fa9e4066Sahrens return (EPERM); 308fa9e4066Sahrens 309fa9e4066Sahrens /* must be writable by this zone */ 310fa9e4066Sahrens if (!writable) 311fa9e4066Sahrens return (EPERM); 312fa9e4066Sahrens } 313fa9e4066Sahrens return (0); 314fa9e4066Sahrens } 315fa9e4066Sahrens 316fa9e4066Sahrens int 317ecd6cf80Smarks zfs_secpolicy_write_perms(const char *name, const char *perm, cred_t *cr) 318fa9e4066Sahrens { 319fa9e4066Sahrens int error; 320fa9e4066Sahrens 321ecd6cf80Smarks error = zfs_dozonecheck(name, cr); 322ecd6cf80Smarks if (error == 0) { 323ecd6cf80Smarks error = secpolicy_zfs(cr); 324db870a07Sahrens if (error) 325ecd6cf80Smarks error = dsl_deleg_access(name, perm, cr); 326ecd6cf80Smarks } 327ecd6cf80Smarks return (error); 328ecd6cf80Smarks } 329ecd6cf80Smarks 330ecd6cf80Smarks static int 331ecd6cf80Smarks zfs_secpolicy_setprop(const char *name, zfs_prop_t prop, cred_t *cr) 332ecd6cf80Smarks { 333ecd6cf80Smarks /* 334ecd6cf80Smarks * Check permissions for special properties. 335ecd6cf80Smarks */ 336ecd6cf80Smarks switch (prop) { 337ecd6cf80Smarks case ZFS_PROP_ZONED: 338ecd6cf80Smarks /* 339ecd6cf80Smarks * Disallow setting of 'zoned' from within a local zone. 340ecd6cf80Smarks */ 341ecd6cf80Smarks if (!INGLOBALZONE(curproc)) 342ecd6cf80Smarks return (EPERM); 343ecd6cf80Smarks break; 344ecd6cf80Smarks 345ecd6cf80Smarks case ZFS_PROP_QUOTA: 346ecd6cf80Smarks if (!INGLOBALZONE(curproc)) { 347ecd6cf80Smarks uint64_t zoned; 348ecd6cf80Smarks char setpoint[MAXNAMELEN]; 349ecd6cf80Smarks /* 350ecd6cf80Smarks * Unprivileged users are allowed to modify the 351ecd6cf80Smarks * quota on things *under* (ie. contained by) 352ecd6cf80Smarks * the thing they own. 353ecd6cf80Smarks */ 354ecd6cf80Smarks if (dsl_prop_get_integer(name, "zoned", &zoned, 355ecd6cf80Smarks setpoint)) 356ecd6cf80Smarks return (EPERM); 357db870a07Sahrens if (!zoned || strlen(name) <= strlen(setpoint)) 358ecd6cf80Smarks return (EPERM); 359ecd6cf80Smarks } 360db870a07Sahrens break; 361ecd6cf80Smarks } 362ecd6cf80Smarks 36391ebeef5Sahrens return (zfs_secpolicy_write_perms(name, zfs_prop_to_name(prop), cr)); 364ecd6cf80Smarks } 365ecd6cf80Smarks 366ecd6cf80Smarks int 367ecd6cf80Smarks zfs_secpolicy_fsacl(zfs_cmd_t *zc, cred_t *cr) 368ecd6cf80Smarks { 369ecd6cf80Smarks int error; 370ecd6cf80Smarks 371ecd6cf80Smarks error = zfs_dozonecheck(zc->zc_name, cr); 372ecd6cf80Smarks if (error) 373fa9e4066Sahrens return (error); 374fa9e4066Sahrens 375ecd6cf80Smarks /* 376ecd6cf80Smarks * permission to set permissions will be evaluated later in 377ecd6cf80Smarks * dsl_deleg_can_allow() 378ecd6cf80Smarks */ 379ecd6cf80Smarks return (0); 380ecd6cf80Smarks } 381ecd6cf80Smarks 382ecd6cf80Smarks int 383ecd6cf80Smarks zfs_secpolicy_rollback(zfs_cmd_t *zc, cred_t *cr) 384ecd6cf80Smarks { 385ecd6cf80Smarks int error; 386ecd6cf80Smarks error = zfs_secpolicy_write_perms(zc->zc_name, 387ecd6cf80Smarks ZFS_DELEG_PERM_ROLLBACK, cr); 388ecd6cf80Smarks if (error == 0) 389ecd6cf80Smarks error = zfs_secpolicy_write_perms(zc->zc_name, 390ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr); 391ecd6cf80Smarks return (error); 392ecd6cf80Smarks } 393ecd6cf80Smarks 394ecd6cf80Smarks int 395ecd6cf80Smarks zfs_secpolicy_send(zfs_cmd_t *zc, cred_t *cr) 396ecd6cf80Smarks { 397ecd6cf80Smarks return (zfs_secpolicy_write_perms(zc->zc_name, 398ecd6cf80Smarks ZFS_DELEG_PERM_SEND, cr)); 399ecd6cf80Smarks } 400ecd6cf80Smarks 401743a77edSAlan Wright static int 402743a77edSAlan Wright zfs_secpolicy_deleg_share(zfs_cmd_t *zc, cred_t *cr) 403743a77edSAlan Wright { 404743a77edSAlan Wright vnode_t *vp; 405743a77edSAlan Wright int error; 406743a77edSAlan Wright 407743a77edSAlan Wright if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, 408743a77edSAlan Wright NO_FOLLOW, NULL, &vp)) != 0) 409743a77edSAlan Wright return (error); 410743a77edSAlan Wright 411743a77edSAlan Wright /* Now make sure mntpnt and dataset are ZFS */ 412743a77edSAlan Wright 413743a77edSAlan Wright if (vp->v_vfsp->vfs_fstype != zfsfstype || 414743a77edSAlan Wright (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), 415743a77edSAlan Wright zc->zc_name) != 0)) { 416743a77edSAlan Wright VN_RELE(vp); 417743a77edSAlan Wright return (EPERM); 418743a77edSAlan Wright } 419743a77edSAlan Wright 420743a77edSAlan Wright VN_RELE(vp); 421743a77edSAlan Wright return (dsl_deleg_access(zc->zc_name, 422743a77edSAlan Wright ZFS_DELEG_PERM_SHARE, cr)); 423743a77edSAlan Wright } 424743a77edSAlan Wright 425ecd6cf80Smarks int 426ecd6cf80Smarks zfs_secpolicy_share(zfs_cmd_t *zc, cred_t *cr) 427ecd6cf80Smarks { 428ecd6cf80Smarks if (!INGLOBALZONE(curproc)) 429ecd6cf80Smarks return (EPERM); 430ecd6cf80Smarks 4313cb34c60Sahrens if (secpolicy_nfs(cr) == 0) { 432ecd6cf80Smarks return (0); 433ecd6cf80Smarks } else { 434743a77edSAlan Wright return (zfs_secpolicy_deleg_share(zc, cr)); 435743a77edSAlan Wright } 436743a77edSAlan Wright } 437ecd6cf80Smarks 438743a77edSAlan Wright int 439743a77edSAlan Wright zfs_secpolicy_smb_acl(zfs_cmd_t *zc, cred_t *cr) 440743a77edSAlan Wright { 441743a77edSAlan Wright if (!INGLOBALZONE(curproc)) 442743a77edSAlan Wright return (EPERM); 443ecd6cf80Smarks 444743a77edSAlan Wright if (secpolicy_smb(cr) == 0) { 445743a77edSAlan Wright return (0); 446743a77edSAlan Wright } else { 447743a77edSAlan Wright return (zfs_secpolicy_deleg_share(zc, cr)); 448ecd6cf80Smarks } 449fa9e4066Sahrens } 450fa9e4066Sahrens 451fa9e4066Sahrens static int 452ecd6cf80Smarks zfs_get_parent(const char *datasetname, char *parent, int parentsize) 453fa9e4066Sahrens { 454fa9e4066Sahrens char *cp; 455fa9e4066Sahrens 456fa9e4066Sahrens /* 457fa9e4066Sahrens * Remove the @bla or /bla from the end of the name to get the parent. 458fa9e4066Sahrens */ 459ecd6cf80Smarks (void) strncpy(parent, datasetname, parentsize); 460ecd6cf80Smarks cp = strrchr(parent, '@'); 461fa9e4066Sahrens if (cp != NULL) { 462fa9e4066Sahrens cp[0] = '\0'; 463fa9e4066Sahrens } else { 464ecd6cf80Smarks cp = strrchr(parent, '/'); 465fa9e4066Sahrens if (cp == NULL) 466fa9e4066Sahrens return (ENOENT); 467fa9e4066Sahrens cp[0] = '\0'; 468ecd6cf80Smarks } 469ecd6cf80Smarks 470ecd6cf80Smarks return (0); 471ecd6cf80Smarks } 472ecd6cf80Smarks 473ecd6cf80Smarks int 474ecd6cf80Smarks zfs_secpolicy_destroy_perms(const char *name, cred_t *cr) 475ecd6cf80Smarks { 476ecd6cf80Smarks int error; 477ecd6cf80Smarks 478ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(name, 479ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 480ecd6cf80Smarks return (error); 481ecd6cf80Smarks 482ecd6cf80Smarks return (zfs_secpolicy_write_perms(name, ZFS_DELEG_PERM_DESTROY, cr)); 483ecd6cf80Smarks } 484ecd6cf80Smarks 485ecd6cf80Smarks static int 486ecd6cf80Smarks zfs_secpolicy_destroy(zfs_cmd_t *zc, cred_t *cr) 487ecd6cf80Smarks { 488ecd6cf80Smarks return (zfs_secpolicy_destroy_perms(zc->zc_name, cr)); 489ecd6cf80Smarks } 490ecd6cf80Smarks 491ecd6cf80Smarks /* 492ecd6cf80Smarks * Must have sys_config privilege to check the iscsi permission 493ecd6cf80Smarks */ 494ecd6cf80Smarks /* ARGSUSED */ 495ecd6cf80Smarks static int 496ecd6cf80Smarks zfs_secpolicy_iscsi(zfs_cmd_t *zc, cred_t *cr) 497ecd6cf80Smarks { 498ecd6cf80Smarks return (secpolicy_zfs(cr)); 499ecd6cf80Smarks } 500ecd6cf80Smarks 501ecd6cf80Smarks int 502ecd6cf80Smarks zfs_secpolicy_rename_perms(const char *from, const char *to, cred_t *cr) 503ecd6cf80Smarks { 504ecd6cf80Smarks char parentname[MAXNAMELEN]; 505ecd6cf80Smarks int error; 506ecd6cf80Smarks 507ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(from, 508ecd6cf80Smarks ZFS_DELEG_PERM_RENAME, cr)) != 0) 509ecd6cf80Smarks return (error); 510ecd6cf80Smarks 511ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(from, 512ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 513ecd6cf80Smarks return (error); 514ecd6cf80Smarks 515ecd6cf80Smarks if ((error = zfs_get_parent(to, parentname, 516ecd6cf80Smarks sizeof (parentname))) != 0) 517ecd6cf80Smarks return (error); 518ecd6cf80Smarks 519ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(parentname, 520ecd6cf80Smarks ZFS_DELEG_PERM_CREATE, cr)) != 0) 521ecd6cf80Smarks return (error); 522ecd6cf80Smarks 523ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(parentname, 524ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 525ecd6cf80Smarks return (error); 526ecd6cf80Smarks 527ecd6cf80Smarks return (error); 528ecd6cf80Smarks } 529ecd6cf80Smarks 530ecd6cf80Smarks static int 531ecd6cf80Smarks zfs_secpolicy_rename(zfs_cmd_t *zc, cred_t *cr) 532ecd6cf80Smarks { 533ecd6cf80Smarks return (zfs_secpolicy_rename_perms(zc->zc_name, zc->zc_value, cr)); 534ecd6cf80Smarks } 535ecd6cf80Smarks 536ecd6cf80Smarks static int 537ecd6cf80Smarks zfs_secpolicy_promote(zfs_cmd_t *zc, cred_t *cr) 538ecd6cf80Smarks { 539ecd6cf80Smarks char parentname[MAXNAMELEN]; 540ecd6cf80Smarks objset_t *clone; 541ecd6cf80Smarks int error; 542ecd6cf80Smarks 543ecd6cf80Smarks error = zfs_secpolicy_write_perms(zc->zc_name, 544ecd6cf80Smarks ZFS_DELEG_PERM_PROMOTE, cr); 545ecd6cf80Smarks if (error) 546ecd6cf80Smarks return (error); 547ecd6cf80Smarks 548*503ad85cSMatthew Ahrens error = dmu_objset_hold(zc->zc_name, FTAG, &clone); 549ecd6cf80Smarks 550ecd6cf80Smarks if (error == 0) { 551ecd6cf80Smarks dsl_dataset_t *pclone = NULL; 552ecd6cf80Smarks dsl_dir_t *dd; 553*503ad85cSMatthew Ahrens dd = clone->os_dsl_dataset->ds_dir; 554ecd6cf80Smarks 555ecd6cf80Smarks rw_enter(&dd->dd_pool->dp_config_rwlock, RW_READER); 556745cd3c5Smaybee error = dsl_dataset_hold_obj(dd->dd_pool, 557745cd3c5Smaybee dd->dd_phys->dd_origin_obj, FTAG, &pclone); 558ecd6cf80Smarks rw_exit(&dd->dd_pool->dp_config_rwlock); 559ecd6cf80Smarks if (error) { 560*503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 561ecd6cf80Smarks return (error); 562ecd6cf80Smarks } 563ecd6cf80Smarks 564ecd6cf80Smarks error = zfs_secpolicy_write_perms(zc->zc_name, 565ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr); 566ecd6cf80Smarks 567ecd6cf80Smarks dsl_dataset_name(pclone, parentname); 568*503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 569745cd3c5Smaybee dsl_dataset_rele(pclone, FTAG); 570ecd6cf80Smarks if (error == 0) 571ecd6cf80Smarks error = zfs_secpolicy_write_perms(parentname, 572ecd6cf80Smarks ZFS_DELEG_PERM_PROMOTE, cr); 573ecd6cf80Smarks } 574ecd6cf80Smarks return (error); 575ecd6cf80Smarks } 576ecd6cf80Smarks 577ecd6cf80Smarks static int 578ecd6cf80Smarks zfs_secpolicy_receive(zfs_cmd_t *zc, cred_t *cr) 579ecd6cf80Smarks { 580ecd6cf80Smarks int error; 581ecd6cf80Smarks 582ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(zc->zc_name, 583ecd6cf80Smarks ZFS_DELEG_PERM_RECEIVE, cr)) != 0) 584ecd6cf80Smarks return (error); 585ecd6cf80Smarks 586ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(zc->zc_name, 587ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 588ecd6cf80Smarks return (error); 589ecd6cf80Smarks 590ecd6cf80Smarks return (zfs_secpolicy_write_perms(zc->zc_name, 591ecd6cf80Smarks ZFS_DELEG_PERM_CREATE, cr)); 592ecd6cf80Smarks } 593ecd6cf80Smarks 594ecd6cf80Smarks int 595ecd6cf80Smarks zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr) 596ecd6cf80Smarks { 597ecd6cf80Smarks int error; 598ecd6cf80Smarks 599ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(name, 600ecd6cf80Smarks ZFS_DELEG_PERM_SNAPSHOT, cr)) != 0) 601ecd6cf80Smarks return (error); 602ecd6cf80Smarks 603ecd6cf80Smarks error = zfs_secpolicy_write_perms(name, 604ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr); 605ecd6cf80Smarks 606ecd6cf80Smarks return (error); 607ecd6cf80Smarks } 608ecd6cf80Smarks 609ecd6cf80Smarks static int 610ecd6cf80Smarks zfs_secpolicy_snapshot(zfs_cmd_t *zc, cred_t *cr) 611ecd6cf80Smarks { 612ecd6cf80Smarks 613ecd6cf80Smarks return (zfs_secpolicy_snapshot_perms(zc->zc_name, cr)); 614ecd6cf80Smarks } 615ecd6cf80Smarks 616ecd6cf80Smarks static int 617ecd6cf80Smarks zfs_secpolicy_create(zfs_cmd_t *zc, cred_t *cr) 618ecd6cf80Smarks { 619ecd6cf80Smarks char parentname[MAXNAMELEN]; 620ecd6cf80Smarks int error; 621ecd6cf80Smarks 622ecd6cf80Smarks if ((error = zfs_get_parent(zc->zc_name, parentname, 623ecd6cf80Smarks sizeof (parentname))) != 0) 624ecd6cf80Smarks return (error); 625fa9e4066Sahrens 626ecd6cf80Smarks if (zc->zc_value[0] != '\0') { 627ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(zc->zc_value, 628ecd6cf80Smarks ZFS_DELEG_PERM_CLONE, cr)) != 0) 629ecd6cf80Smarks return (error); 630fa9e4066Sahrens } 631fa9e4066Sahrens 632ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(parentname, 633ecd6cf80Smarks ZFS_DELEG_PERM_CREATE, cr)) != 0) 634ecd6cf80Smarks return (error); 635ecd6cf80Smarks 636ecd6cf80Smarks error = zfs_secpolicy_write_perms(parentname, 637ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr); 638ecd6cf80Smarks 639ecd6cf80Smarks return (error); 640ecd6cf80Smarks } 641ecd6cf80Smarks 642ecd6cf80Smarks static int 643ecd6cf80Smarks zfs_secpolicy_umount(zfs_cmd_t *zc, cred_t *cr) 644ecd6cf80Smarks { 645ecd6cf80Smarks int error; 646ecd6cf80Smarks 647ecd6cf80Smarks error = secpolicy_fs_unmount(cr, NULL); 648ecd6cf80Smarks if (error) { 649ecd6cf80Smarks error = dsl_deleg_access(zc->zc_name, ZFS_DELEG_PERM_MOUNT, cr); 650ecd6cf80Smarks } 651ecd6cf80Smarks return (error); 652fa9e4066Sahrens } 653fa9e4066Sahrens 654fa9e4066Sahrens /* 655fa9e4066Sahrens * Policy for pool operations - create/destroy pools, add vdevs, etc. Requires 656fa9e4066Sahrens * SYS_CONFIG privilege, which is not available in a local zone. 657fa9e4066Sahrens */ 658fa9e4066Sahrens /* ARGSUSED */ 659fa9e4066Sahrens static int 660ecd6cf80Smarks zfs_secpolicy_config(zfs_cmd_t *zc, cred_t *cr) 661fa9e4066Sahrens { 662fa9e4066Sahrens if (secpolicy_sys_config(cr, B_FALSE) != 0) 663fa9e4066Sahrens return (EPERM); 664fa9e4066Sahrens 665fa9e4066Sahrens return (0); 666fa9e4066Sahrens } 667fa9e4066Sahrens 668ecd6cf80Smarks /* 669ecd6cf80Smarks * Just like zfs_secpolicy_config, except that we will check for 670ecd6cf80Smarks * mount permission on the dataset for permission to create/remove 671ecd6cf80Smarks * the minor nodes. 672ecd6cf80Smarks */ 673ecd6cf80Smarks static int 674ecd6cf80Smarks zfs_secpolicy_minor(zfs_cmd_t *zc, cred_t *cr) 675ecd6cf80Smarks { 676ecd6cf80Smarks if (secpolicy_sys_config(cr, B_FALSE) != 0) { 677ecd6cf80Smarks return (dsl_deleg_access(zc->zc_name, 678ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)); 679ecd6cf80Smarks } 680ecd6cf80Smarks 681ecd6cf80Smarks return (0); 682ecd6cf80Smarks } 683ecd6cf80Smarks 684ea8dc4b6Seschrock /* 685ea8dc4b6Seschrock * Policy for fault injection. Requires all privileges. 686ea8dc4b6Seschrock */ 687ea8dc4b6Seschrock /* ARGSUSED */ 688ea8dc4b6Seschrock static int 689ecd6cf80Smarks zfs_secpolicy_inject(zfs_cmd_t *zc, cred_t *cr) 690ea8dc4b6Seschrock { 691ea8dc4b6Seschrock return (secpolicy_zinject(cr)); 692ea8dc4b6Seschrock } 693ea8dc4b6Seschrock 694e45ce728Sahrens static int 695e45ce728Sahrens zfs_secpolicy_inherit(zfs_cmd_t *zc, cred_t *cr) 696e45ce728Sahrens { 697e45ce728Sahrens zfs_prop_t prop = zfs_name_to_prop(zc->zc_value); 698e45ce728Sahrens 699990b4856Slling if (prop == ZPROP_INVAL) { 700e45ce728Sahrens if (!zfs_prop_user(zc->zc_value)) 701e45ce728Sahrens return (EINVAL); 702e45ce728Sahrens return (zfs_secpolicy_write_perms(zc->zc_name, 703e45ce728Sahrens ZFS_DELEG_PERM_USERPROP, cr)); 704e45ce728Sahrens } else { 705e45ce728Sahrens if (!zfs_prop_inheritable(prop)) 706e45ce728Sahrens return (EINVAL); 707e45ce728Sahrens return (zfs_secpolicy_setprop(zc->zc_name, prop, cr)); 708e45ce728Sahrens } 709e45ce728Sahrens } 710e45ce728Sahrens 71114843421SMatthew Ahrens static int 71214843421SMatthew Ahrens zfs_secpolicy_userspace_one(zfs_cmd_t *zc, cred_t *cr) 71314843421SMatthew Ahrens { 71414843421SMatthew Ahrens int err = zfs_secpolicy_read(zc, cr); 71514843421SMatthew Ahrens if (err) 71614843421SMatthew Ahrens return (err); 71714843421SMatthew Ahrens 71814843421SMatthew Ahrens if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) 71914843421SMatthew Ahrens return (EINVAL); 72014843421SMatthew Ahrens 72114843421SMatthew Ahrens if (zc->zc_value[0] == 0) { 72214843421SMatthew Ahrens /* 72314843421SMatthew Ahrens * They are asking about a posix uid/gid. If it's 72414843421SMatthew Ahrens * themself, allow it. 72514843421SMatthew Ahrens */ 72614843421SMatthew Ahrens if (zc->zc_objset_type == ZFS_PROP_USERUSED || 72714843421SMatthew Ahrens zc->zc_objset_type == ZFS_PROP_USERQUOTA) { 72814843421SMatthew Ahrens if (zc->zc_guid == crgetuid(cr)) 72914843421SMatthew Ahrens return (0); 73014843421SMatthew Ahrens } else { 73114843421SMatthew Ahrens if (groupmember(zc->zc_guid, cr)) 73214843421SMatthew Ahrens return (0); 73314843421SMatthew Ahrens } 73414843421SMatthew Ahrens } 73514843421SMatthew Ahrens 73614843421SMatthew Ahrens return (zfs_secpolicy_write_perms(zc->zc_name, 73714843421SMatthew Ahrens userquota_perms[zc->zc_objset_type], cr)); 73814843421SMatthew Ahrens } 73914843421SMatthew Ahrens 74014843421SMatthew Ahrens static int 74114843421SMatthew Ahrens zfs_secpolicy_userspace_many(zfs_cmd_t *zc, cred_t *cr) 74214843421SMatthew Ahrens { 74314843421SMatthew Ahrens int err = zfs_secpolicy_read(zc, cr); 74414843421SMatthew Ahrens if (err) 74514843421SMatthew Ahrens return (err); 74614843421SMatthew Ahrens 74714843421SMatthew Ahrens if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) 74814843421SMatthew Ahrens return (EINVAL); 74914843421SMatthew Ahrens 75014843421SMatthew Ahrens return (zfs_secpolicy_write_perms(zc->zc_name, 75114843421SMatthew Ahrens userquota_perms[zc->zc_objset_type], cr)); 75214843421SMatthew Ahrens } 75314843421SMatthew Ahrens 75414843421SMatthew Ahrens static int 75514843421SMatthew Ahrens zfs_secpolicy_userspace_upgrade(zfs_cmd_t *zc, cred_t *cr) 75614843421SMatthew Ahrens { 75714843421SMatthew Ahrens return (zfs_secpolicy_setprop(zc->zc_name, ZFS_PROP_VERSION, cr)); 75814843421SMatthew Ahrens } 75914843421SMatthew Ahrens 760842727c2SChris Kirby static int 761842727c2SChris Kirby zfs_secpolicy_hold(zfs_cmd_t *zc, cred_t *cr) 762842727c2SChris Kirby { 763842727c2SChris Kirby return (zfs_secpolicy_write_perms(zc->zc_name, 764842727c2SChris Kirby ZFS_DELEG_PERM_HOLD, cr)); 765842727c2SChris Kirby } 766842727c2SChris Kirby 767842727c2SChris Kirby static int 768842727c2SChris Kirby zfs_secpolicy_release(zfs_cmd_t *zc, cred_t *cr) 769842727c2SChris Kirby { 770842727c2SChris Kirby return (zfs_secpolicy_write_perms(zc->zc_name, 771842727c2SChris Kirby ZFS_DELEG_PERM_RELEASE, cr)); 772842727c2SChris Kirby } 773842727c2SChris Kirby 774fa9e4066Sahrens /* 775fa9e4066Sahrens * Returns the nvlist as specified by the user in the zfs_cmd_t. 776fa9e4066Sahrens */ 777fa9e4066Sahrens static int 778478ed9adSEric Taylor get_nvlist(uint64_t nvl, uint64_t size, int iflag, nvlist_t **nvp) 779fa9e4066Sahrens { 780fa9e4066Sahrens char *packed; 781fa9e4066Sahrens int error; 782990b4856Slling nvlist_t *list = NULL; 783fa9e4066Sahrens 784fa9e4066Sahrens /* 785e9dbad6fSeschrock * Read in and unpack the user-supplied nvlist. 786fa9e4066Sahrens */ 787990b4856Slling if (size == 0) 788fa9e4066Sahrens return (EINVAL); 789fa9e4066Sahrens 790fa9e4066Sahrens packed = kmem_alloc(size, KM_SLEEP); 791fa9e4066Sahrens 792478ed9adSEric Taylor if ((error = ddi_copyin((void *)(uintptr_t)nvl, packed, size, 793478ed9adSEric Taylor iflag)) != 0) { 794fa9e4066Sahrens kmem_free(packed, size); 795fa9e4066Sahrens return (error); 796fa9e4066Sahrens } 797fa9e4066Sahrens 798990b4856Slling if ((error = nvlist_unpack(packed, size, &list, 0)) != 0) { 799fa9e4066Sahrens kmem_free(packed, size); 800fa9e4066Sahrens return (error); 801fa9e4066Sahrens } 802fa9e4066Sahrens 803fa9e4066Sahrens kmem_free(packed, size); 804fa9e4066Sahrens 805990b4856Slling *nvp = list; 806fa9e4066Sahrens return (0); 807fa9e4066Sahrens } 808fa9e4066Sahrens 809e9dbad6fSeschrock static int 810e9dbad6fSeschrock put_nvlist(zfs_cmd_t *zc, nvlist_t *nvl) 811e9dbad6fSeschrock { 812e9dbad6fSeschrock char *packed = NULL; 813e9dbad6fSeschrock size_t size; 814e9dbad6fSeschrock int error; 815e9dbad6fSeschrock 816e9dbad6fSeschrock VERIFY(nvlist_size(nvl, &size, NV_ENCODE_NATIVE) == 0); 817e9dbad6fSeschrock 818e9dbad6fSeschrock if (size > zc->zc_nvlist_dst_size) { 819e9dbad6fSeschrock error = ENOMEM; 820e9dbad6fSeschrock } else { 821da165920Smarks packed = kmem_alloc(size, KM_SLEEP); 822e9dbad6fSeschrock VERIFY(nvlist_pack(nvl, &packed, &size, NV_ENCODE_NATIVE, 823e9dbad6fSeschrock KM_SLEEP) == 0); 824478ed9adSEric Taylor error = ddi_copyout(packed, 825478ed9adSEric Taylor (void *)(uintptr_t)zc->zc_nvlist_dst, size, zc->zc_iflags); 826e9dbad6fSeschrock kmem_free(packed, size); 827e9dbad6fSeschrock } 828e9dbad6fSeschrock 829e9dbad6fSeschrock zc->zc_nvlist_dst_size = size; 830e9dbad6fSeschrock return (error); 831e9dbad6fSeschrock } 832e9dbad6fSeschrock 83314843421SMatthew Ahrens static int 83414843421SMatthew Ahrens getzfsvfs(const char *dsname, zfsvfs_t **zvp) 83514843421SMatthew Ahrens { 83614843421SMatthew Ahrens objset_t *os; 83714843421SMatthew Ahrens int error; 83814843421SMatthew Ahrens 839*503ad85cSMatthew Ahrens error = dmu_objset_hold(dsname, FTAG, &os); 84014843421SMatthew Ahrens if (error) 84114843421SMatthew Ahrens return (error); 842*503ad85cSMatthew Ahrens if (dmu_objset_type(os) != DMU_OST_ZFS) { 843*503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 844*503ad85cSMatthew Ahrens return (EINVAL); 845*503ad85cSMatthew Ahrens } 84614843421SMatthew Ahrens 847*503ad85cSMatthew Ahrens mutex_enter(&os->os_user_ptr_lock); 84814843421SMatthew Ahrens *zvp = dmu_objset_get_user(os); 84914843421SMatthew Ahrens if (*zvp) { 85014843421SMatthew Ahrens VFS_HOLD((*zvp)->z_vfs); 85114843421SMatthew Ahrens } else { 85214843421SMatthew Ahrens error = ESRCH; 85314843421SMatthew Ahrens } 854*503ad85cSMatthew Ahrens mutex_exit(&os->os_user_ptr_lock); 855*503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 85614843421SMatthew Ahrens return (error); 85714843421SMatthew Ahrens } 85814843421SMatthew Ahrens 85914843421SMatthew Ahrens /* 86014843421SMatthew Ahrens * Find a zfsvfs_t for a mounted filesystem, or create our own, in which 86114843421SMatthew Ahrens * case its z_vfs will be NULL, and it will be opened as the owner. 86214843421SMatthew Ahrens */ 86314843421SMatthew Ahrens static int 864*503ad85cSMatthew Ahrens zfsvfs_hold(const char *name, void *tag, zfsvfs_t **zvp) 86514843421SMatthew Ahrens { 86614843421SMatthew Ahrens int error = 0; 86714843421SMatthew Ahrens 86814843421SMatthew Ahrens if (getzfsvfs(name, zvp) != 0) 869*503ad85cSMatthew Ahrens error = zfsvfs_create(name, zvp); 87014843421SMatthew Ahrens if (error == 0) { 87114843421SMatthew Ahrens rrw_enter(&(*zvp)->z_teardown_lock, RW_READER, tag); 87214843421SMatthew Ahrens if ((*zvp)->z_unmounted) { 87314843421SMatthew Ahrens /* 87414843421SMatthew Ahrens * XXX we could probably try again, since the unmounting 87514843421SMatthew Ahrens * thread should be just about to disassociate the 87614843421SMatthew Ahrens * objset from the zfsvfs. 87714843421SMatthew Ahrens */ 87814843421SMatthew Ahrens rrw_exit(&(*zvp)->z_teardown_lock, tag); 87914843421SMatthew Ahrens return (EBUSY); 88014843421SMatthew Ahrens } 88114843421SMatthew Ahrens } 88214843421SMatthew Ahrens return (error); 88314843421SMatthew Ahrens } 88414843421SMatthew Ahrens 88514843421SMatthew Ahrens static void 88614843421SMatthew Ahrens zfsvfs_rele(zfsvfs_t *zfsvfs, void *tag) 88714843421SMatthew Ahrens { 88814843421SMatthew Ahrens rrw_exit(&zfsvfs->z_teardown_lock, tag); 88914843421SMatthew Ahrens 89014843421SMatthew Ahrens if (zfsvfs->z_vfs) { 89114843421SMatthew Ahrens VFS_RELE(zfsvfs->z_vfs); 89214843421SMatthew Ahrens } else { 893*503ad85cSMatthew Ahrens dmu_objset_disown(zfsvfs->z_os, zfsvfs); 89414843421SMatthew Ahrens zfsvfs_free(zfsvfs); 89514843421SMatthew Ahrens } 89614843421SMatthew Ahrens } 89714843421SMatthew Ahrens 898fa9e4066Sahrens static int 899fa9e4066Sahrens zfs_ioc_pool_create(zfs_cmd_t *zc) 900fa9e4066Sahrens { 901fa9e4066Sahrens int error; 902990b4856Slling nvlist_t *config, *props = NULL; 9030a48a24eStimh nvlist_t *rootprops = NULL; 9040a48a24eStimh nvlist_t *zplprops = NULL; 905228975ccSek char *buf; 906fa9e4066Sahrens 907990b4856Slling if (error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 908478ed9adSEric Taylor zc->zc_iflags, &config)) 909fa9e4066Sahrens return (error); 9102a6b87f0Sek 911990b4856Slling if (zc->zc_nvlist_src_size != 0 && (error = 912478ed9adSEric Taylor get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 913478ed9adSEric Taylor zc->zc_iflags, &props))) { 914990b4856Slling nvlist_free(config); 915990b4856Slling return (error); 916990b4856Slling } 917990b4856Slling 9180a48a24eStimh if (props) { 9190a48a24eStimh nvlist_t *nvl = NULL; 9200a48a24eStimh uint64_t version = SPA_VERSION; 9210a48a24eStimh 9220a48a24eStimh (void) nvlist_lookup_uint64(props, 9230a48a24eStimh zpool_prop_to_name(ZPOOL_PROP_VERSION), &version); 9240a48a24eStimh if (version < SPA_VERSION_INITIAL || version > SPA_VERSION) { 9250a48a24eStimh error = EINVAL; 9260a48a24eStimh goto pool_props_bad; 9270a48a24eStimh } 9280a48a24eStimh (void) nvlist_lookup_nvlist(props, ZPOOL_ROOTFS_PROPS, &nvl); 9290a48a24eStimh if (nvl) { 9300a48a24eStimh error = nvlist_dup(nvl, &rootprops, KM_SLEEP); 9310a48a24eStimh if (error != 0) { 9320a48a24eStimh nvlist_free(config); 9330a48a24eStimh nvlist_free(props); 9340a48a24eStimh return (error); 9350a48a24eStimh } 9360a48a24eStimh (void) nvlist_remove_all(props, ZPOOL_ROOTFS_PROPS); 9370a48a24eStimh } 9380a48a24eStimh VERIFY(nvlist_alloc(&zplprops, NV_UNIQUE_NAME, KM_SLEEP) == 0); 9390a48a24eStimh error = zfs_fill_zplprops_root(version, rootprops, 9400a48a24eStimh zplprops, NULL); 9410a48a24eStimh if (error) 9420a48a24eStimh goto pool_props_bad; 9430a48a24eStimh } 9440a48a24eStimh 9452a6b87f0Sek buf = history_str_get(zc); 946fa9e4066Sahrens 9470a48a24eStimh error = spa_create(zc->zc_name, config, props, buf, zplprops); 9480a48a24eStimh 9490a48a24eStimh /* 9500a48a24eStimh * Set the remaining root properties 9510a48a24eStimh */ 9520a48a24eStimh if (!error && 9530a48a24eStimh (error = zfs_set_prop_nvlist(zc->zc_name, rootprops)) != 0) 9540a48a24eStimh (void) spa_destroy(zc->zc_name); 955fa9e4066Sahrens 9562a6b87f0Sek if (buf != NULL) 9572a6b87f0Sek history_str_free(buf); 958990b4856Slling 9590a48a24eStimh pool_props_bad: 9600a48a24eStimh nvlist_free(rootprops); 9610a48a24eStimh nvlist_free(zplprops); 962fa9e4066Sahrens nvlist_free(config); 9630a48a24eStimh nvlist_free(props); 964990b4856Slling 965fa9e4066Sahrens return (error); 966fa9e4066Sahrens } 967fa9e4066Sahrens 968fa9e4066Sahrens static int 969fa9e4066Sahrens zfs_ioc_pool_destroy(zfs_cmd_t *zc) 970fa9e4066Sahrens { 971ecd6cf80Smarks int error; 972ecd6cf80Smarks zfs_log_history(zc); 973ecd6cf80Smarks error = spa_destroy(zc->zc_name); 974ecd6cf80Smarks return (error); 975fa9e4066Sahrens } 976fa9e4066Sahrens 977fa9e4066Sahrens static int 978fa9e4066Sahrens zfs_ioc_pool_import(zfs_cmd_t *zc) 979fa9e4066Sahrens { 980fa9e4066Sahrens int error; 981990b4856Slling nvlist_t *config, *props = NULL; 982fa9e4066Sahrens uint64_t guid; 983fa9e4066Sahrens 984990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 985478ed9adSEric Taylor zc->zc_iflags, &config)) != 0) 986990b4856Slling return (error); 987990b4856Slling 988990b4856Slling if (zc->zc_nvlist_src_size != 0 && (error = 989478ed9adSEric Taylor get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 990478ed9adSEric Taylor zc->zc_iflags, &props))) { 991990b4856Slling nvlist_free(config); 992fa9e4066Sahrens return (error); 993990b4856Slling } 994fa9e4066Sahrens 995fa9e4066Sahrens if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &guid) != 0 || 996ea8dc4b6Seschrock guid != zc->zc_guid) 997fa9e4066Sahrens error = EINVAL; 998c5904d13Seschrock else if (zc->zc_cookie) 9996809eb4eSEric Schrock error = spa_import_verbatim(zc->zc_name, config, 1000c5904d13Seschrock props); 1001fa9e4066Sahrens else 1002990b4856Slling error = spa_import(zc->zc_name, config, props); 1003fa9e4066Sahrens 1004fa9e4066Sahrens nvlist_free(config); 1005fa9e4066Sahrens 1006990b4856Slling if (props) 1007990b4856Slling nvlist_free(props); 1008990b4856Slling 1009fa9e4066Sahrens return (error); 1010fa9e4066Sahrens } 1011fa9e4066Sahrens 1012fa9e4066Sahrens static int 1013fa9e4066Sahrens zfs_ioc_pool_export(zfs_cmd_t *zc) 1014fa9e4066Sahrens { 1015ecd6cf80Smarks int error; 101689a89ebfSlling boolean_t force = (boolean_t)zc->zc_cookie; 1017394ab0cbSGeorge Wilson boolean_t hardforce = (boolean_t)zc->zc_guid; 101889a89ebfSlling 1019ecd6cf80Smarks zfs_log_history(zc); 1020394ab0cbSGeorge Wilson error = spa_export(zc->zc_name, NULL, force, hardforce); 1021ecd6cf80Smarks return (error); 1022fa9e4066Sahrens } 1023fa9e4066Sahrens 1024fa9e4066Sahrens static int 1025fa9e4066Sahrens zfs_ioc_pool_configs(zfs_cmd_t *zc) 1026fa9e4066Sahrens { 1027fa9e4066Sahrens nvlist_t *configs; 1028fa9e4066Sahrens int error; 1029fa9e4066Sahrens 1030fa9e4066Sahrens if ((configs = spa_all_configs(&zc->zc_cookie)) == NULL) 1031fa9e4066Sahrens return (EEXIST); 1032fa9e4066Sahrens 1033e9dbad6fSeschrock error = put_nvlist(zc, configs); 1034fa9e4066Sahrens 1035fa9e4066Sahrens nvlist_free(configs); 1036fa9e4066Sahrens 1037fa9e4066Sahrens return (error); 1038fa9e4066Sahrens } 1039fa9e4066Sahrens 1040fa9e4066Sahrens static int 1041fa9e4066Sahrens zfs_ioc_pool_stats(zfs_cmd_t *zc) 1042fa9e4066Sahrens { 1043fa9e4066Sahrens nvlist_t *config; 1044fa9e4066Sahrens int error; 1045ea8dc4b6Seschrock int ret = 0; 1046fa9e4066Sahrens 1047e9dbad6fSeschrock error = spa_get_stats(zc->zc_name, &config, zc->zc_value, 1048e9dbad6fSeschrock sizeof (zc->zc_value)); 1049fa9e4066Sahrens 1050fa9e4066Sahrens if (config != NULL) { 1051e9dbad6fSeschrock ret = put_nvlist(zc, config); 1052fa9e4066Sahrens nvlist_free(config); 1053ea8dc4b6Seschrock 1054ea8dc4b6Seschrock /* 1055ea8dc4b6Seschrock * The config may be present even if 'error' is non-zero. 1056ea8dc4b6Seschrock * In this case we return success, and preserve the real errno 1057ea8dc4b6Seschrock * in 'zc_cookie'. 1058ea8dc4b6Seschrock */ 1059ea8dc4b6Seschrock zc->zc_cookie = error; 1060fa9e4066Sahrens } else { 1061ea8dc4b6Seschrock ret = error; 1062fa9e4066Sahrens } 1063fa9e4066Sahrens 1064ea8dc4b6Seschrock return (ret); 1065fa9e4066Sahrens } 1066fa9e4066Sahrens 1067fa9e4066Sahrens /* 1068fa9e4066Sahrens * Try to import the given pool, returning pool stats as appropriate so that 1069fa9e4066Sahrens * user land knows which devices are available and overall pool health. 1070fa9e4066Sahrens */ 1071fa9e4066Sahrens static int 1072fa9e4066Sahrens zfs_ioc_pool_tryimport(zfs_cmd_t *zc) 1073fa9e4066Sahrens { 1074fa9e4066Sahrens nvlist_t *tryconfig, *config; 1075fa9e4066Sahrens int error; 1076fa9e4066Sahrens 1077990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 1078478ed9adSEric Taylor zc->zc_iflags, &tryconfig)) != 0) 1079fa9e4066Sahrens return (error); 1080fa9e4066Sahrens 1081fa9e4066Sahrens config = spa_tryimport(tryconfig); 1082fa9e4066Sahrens 1083fa9e4066Sahrens nvlist_free(tryconfig); 1084fa9e4066Sahrens 1085fa9e4066Sahrens if (config == NULL) 1086fa9e4066Sahrens return (EINVAL); 1087fa9e4066Sahrens 1088e9dbad6fSeschrock error = put_nvlist(zc, config); 1089fa9e4066Sahrens nvlist_free(config); 1090fa9e4066Sahrens 1091fa9e4066Sahrens return (error); 1092fa9e4066Sahrens } 1093fa9e4066Sahrens 1094fa9e4066Sahrens static int 1095fa9e4066Sahrens zfs_ioc_pool_scrub(zfs_cmd_t *zc) 1096fa9e4066Sahrens { 1097fa9e4066Sahrens spa_t *spa; 1098fa9e4066Sahrens int error; 1099fa9e4066Sahrens 110006eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 110106eeb2adSek return (error); 110206eeb2adSek 1103088f3894Sahrens error = spa_scrub(spa, zc->zc_cookie); 110406eeb2adSek 110506eeb2adSek spa_close(spa, FTAG); 110606eeb2adSek 1107fa9e4066Sahrens return (error); 1108fa9e4066Sahrens } 1109fa9e4066Sahrens 1110fa9e4066Sahrens static int 1111fa9e4066Sahrens zfs_ioc_pool_freeze(zfs_cmd_t *zc) 1112fa9e4066Sahrens { 1113fa9e4066Sahrens spa_t *spa; 1114fa9e4066Sahrens int error; 1115fa9e4066Sahrens 1116fa9e4066Sahrens error = spa_open(zc->zc_name, &spa, FTAG); 1117fa9e4066Sahrens if (error == 0) { 1118fa9e4066Sahrens spa_freeze(spa); 1119fa9e4066Sahrens spa_close(spa, FTAG); 1120fa9e4066Sahrens } 1121fa9e4066Sahrens return (error); 1122fa9e4066Sahrens } 1123fa9e4066Sahrens 1124eaca9bbdSeschrock static int 1125eaca9bbdSeschrock zfs_ioc_pool_upgrade(zfs_cmd_t *zc) 1126eaca9bbdSeschrock { 1127eaca9bbdSeschrock spa_t *spa; 1128eaca9bbdSeschrock int error; 1129eaca9bbdSeschrock 113006eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 113106eeb2adSek return (error); 113206eeb2adSek 1133558d2d50Slling if (zc->zc_cookie < spa_version(spa) || zc->zc_cookie > SPA_VERSION) { 1134558d2d50Slling spa_close(spa, FTAG); 1135558d2d50Slling return (EINVAL); 1136558d2d50Slling } 1137558d2d50Slling 1138990b4856Slling spa_upgrade(spa, zc->zc_cookie); 113906eeb2adSek spa_close(spa, FTAG); 114006eeb2adSek 114106eeb2adSek return (error); 114206eeb2adSek } 114306eeb2adSek 114406eeb2adSek static int 114506eeb2adSek zfs_ioc_pool_get_history(zfs_cmd_t *zc) 114606eeb2adSek { 114706eeb2adSek spa_t *spa; 114806eeb2adSek char *hist_buf; 114906eeb2adSek uint64_t size; 115006eeb2adSek int error; 115106eeb2adSek 115206eeb2adSek if ((size = zc->zc_history_len) == 0) 115306eeb2adSek return (EINVAL); 115406eeb2adSek 115506eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 115606eeb2adSek return (error); 115706eeb2adSek 1158e7437265Sahrens if (spa_version(spa) < SPA_VERSION_ZPOOL_HISTORY) { 1159d7306b64Sek spa_close(spa, FTAG); 1160d7306b64Sek return (ENOTSUP); 1161d7306b64Sek } 1162d7306b64Sek 116306eeb2adSek hist_buf = kmem_alloc(size, KM_SLEEP); 116406eeb2adSek if ((error = spa_history_get(spa, &zc->zc_history_offset, 116506eeb2adSek &zc->zc_history_len, hist_buf)) == 0) { 1166478ed9adSEric Taylor error = ddi_copyout(hist_buf, 1167478ed9adSEric Taylor (void *)(uintptr_t)zc->zc_history, 1168478ed9adSEric Taylor zc->zc_history_len, zc->zc_iflags); 116906eeb2adSek } 117006eeb2adSek 117106eeb2adSek spa_close(spa, FTAG); 117206eeb2adSek kmem_free(hist_buf, size); 117306eeb2adSek return (error); 117406eeb2adSek } 117506eeb2adSek 117655434c77Sek static int 117755434c77Sek zfs_ioc_dsobj_to_dsname(zfs_cmd_t *zc) 117855434c77Sek { 117955434c77Sek int error; 118055434c77Sek 1181b1b8ab34Slling if (error = dsl_dsobj_to_dsname(zc->zc_name, zc->zc_obj, zc->zc_value)) 118255434c77Sek return (error); 118355434c77Sek 118455434c77Sek return (0); 118555434c77Sek } 118655434c77Sek 1187*503ad85cSMatthew Ahrens /* 1188*503ad85cSMatthew Ahrens * inputs: 1189*503ad85cSMatthew Ahrens * zc_name name of filesystem 1190*503ad85cSMatthew Ahrens * zc_obj object to find 1191*503ad85cSMatthew Ahrens * 1192*503ad85cSMatthew Ahrens * outputs: 1193*503ad85cSMatthew Ahrens * zc_value name of object 1194*503ad85cSMatthew Ahrens */ 119555434c77Sek static int 119655434c77Sek zfs_ioc_obj_to_path(zfs_cmd_t *zc) 119755434c77Sek { 1198*503ad85cSMatthew Ahrens objset_t *os; 119955434c77Sek int error; 120055434c77Sek 1201*503ad85cSMatthew Ahrens /* XXX reading from objset not owned */ 1202*503ad85cSMatthew Ahrens if ((error = dmu_objset_hold(zc->zc_name, FTAG, &os)) != 0) 120355434c77Sek return (error); 1204*503ad85cSMatthew Ahrens if (dmu_objset_type(os) != DMU_OST_ZFS) { 1205*503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1206*503ad85cSMatthew Ahrens return (EINVAL); 1207*503ad85cSMatthew Ahrens } 1208*503ad85cSMatthew Ahrens error = zfs_obj_to_path(os, zc->zc_obj, zc->zc_value, 120955434c77Sek sizeof (zc->zc_value)); 1210*503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 121155434c77Sek 121255434c77Sek return (error); 121355434c77Sek } 121455434c77Sek 1215fa9e4066Sahrens static int 1216fa9e4066Sahrens zfs_ioc_vdev_add(zfs_cmd_t *zc) 1217fa9e4066Sahrens { 1218fa9e4066Sahrens spa_t *spa; 1219fa9e4066Sahrens int error; 1220e7cbe64fSgw nvlist_t *config, **l2cache, **spares; 1221e7cbe64fSgw uint_t nl2cache = 0, nspares = 0; 1222fa9e4066Sahrens 1223fa9e4066Sahrens error = spa_open(zc->zc_name, &spa, FTAG); 1224fa9e4066Sahrens if (error != 0) 1225fa9e4066Sahrens return (error); 1226fa9e4066Sahrens 1227fa94a07fSbrendan error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 1228478ed9adSEric Taylor zc->zc_iflags, &config); 1229fa94a07fSbrendan (void) nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_L2CACHE, 1230fa94a07fSbrendan &l2cache, &nl2cache); 1231fa94a07fSbrendan 1232e7cbe64fSgw (void) nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_SPARES, 1233e7cbe64fSgw &spares, &nspares); 1234e7cbe64fSgw 1235b1b8ab34Slling /* 1236b1b8ab34Slling * A root pool with concatenated devices is not supported. 1237e7cbe64fSgw * Thus, can not add a device to a root pool. 1238e7cbe64fSgw * 1239e7cbe64fSgw * Intent log device can not be added to a rootpool because 1240e7cbe64fSgw * during mountroot, zil is replayed, a seperated log device 1241e7cbe64fSgw * can not be accessed during the mountroot time. 1242e7cbe64fSgw * 1243e7cbe64fSgw * l2cache and spare devices are ok to be added to a rootpool. 1244b1b8ab34Slling */ 1245e7cbe64fSgw if (spa->spa_bootfs != 0 && nl2cache == 0 && nspares == 0) { 1246b1b8ab34Slling spa_close(spa, FTAG); 1247b1b8ab34Slling return (EDOM); 1248b1b8ab34Slling } 1249b1b8ab34Slling 1250fa94a07fSbrendan if (error == 0) { 1251fa9e4066Sahrens error = spa_vdev_add(spa, config); 1252fa9e4066Sahrens nvlist_free(config); 1253fa9e4066Sahrens } 1254fa9e4066Sahrens spa_close(spa, FTAG); 1255fa9e4066Sahrens return (error); 1256fa9e4066Sahrens } 1257fa9e4066Sahrens 1258fa9e4066Sahrens static int 1259fa9e4066Sahrens zfs_ioc_vdev_remove(zfs_cmd_t *zc) 1260fa9e4066Sahrens { 126199653d4eSeschrock spa_t *spa; 126299653d4eSeschrock int error; 126399653d4eSeschrock 126499653d4eSeschrock error = spa_open(zc->zc_name, &spa, FTAG); 126599653d4eSeschrock if (error != 0) 126699653d4eSeschrock return (error); 126799653d4eSeschrock error = spa_vdev_remove(spa, zc->zc_guid, B_FALSE); 126899653d4eSeschrock spa_close(spa, FTAG); 126999653d4eSeschrock return (error); 1270fa9e4066Sahrens } 1271fa9e4066Sahrens 1272fa9e4066Sahrens static int 12733d7072f8Seschrock zfs_ioc_vdev_set_state(zfs_cmd_t *zc) 1274fa9e4066Sahrens { 1275fa9e4066Sahrens spa_t *spa; 1276fa9e4066Sahrens int error; 12773d7072f8Seschrock vdev_state_t newstate = VDEV_STATE_UNKNOWN; 1278fa9e4066Sahrens 127906eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 1280fa9e4066Sahrens return (error); 12813d7072f8Seschrock switch (zc->zc_cookie) { 12823d7072f8Seschrock case VDEV_STATE_ONLINE: 12833d7072f8Seschrock error = vdev_online(spa, zc->zc_guid, zc->zc_obj, &newstate); 12843d7072f8Seschrock break; 1285fa9e4066Sahrens 12863d7072f8Seschrock case VDEV_STATE_OFFLINE: 12873d7072f8Seschrock error = vdev_offline(spa, zc->zc_guid, zc->zc_obj); 12883d7072f8Seschrock break; 1289fa9e4066Sahrens 12903d7072f8Seschrock case VDEV_STATE_FAULTED: 12913d7072f8Seschrock error = vdev_fault(spa, zc->zc_guid); 12923d7072f8Seschrock break; 12933d7072f8Seschrock 12943d7072f8Seschrock case VDEV_STATE_DEGRADED: 12953d7072f8Seschrock error = vdev_degrade(spa, zc->zc_guid); 12963d7072f8Seschrock break; 12973d7072f8Seschrock 12983d7072f8Seschrock default: 12993d7072f8Seschrock error = EINVAL; 13003d7072f8Seschrock } 13013d7072f8Seschrock zc->zc_cookie = newstate; 1302fa9e4066Sahrens spa_close(spa, FTAG); 1303fa9e4066Sahrens return (error); 1304fa9e4066Sahrens } 1305fa9e4066Sahrens 1306fa9e4066Sahrens static int 1307fa9e4066Sahrens zfs_ioc_vdev_attach(zfs_cmd_t *zc) 1308fa9e4066Sahrens { 1309fa9e4066Sahrens spa_t *spa; 1310fa9e4066Sahrens int replacing = zc->zc_cookie; 1311fa9e4066Sahrens nvlist_t *config; 1312fa9e4066Sahrens int error; 1313fa9e4066Sahrens 131406eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 1315fa9e4066Sahrens return (error); 1316fa9e4066Sahrens 1317990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 1318478ed9adSEric Taylor zc->zc_iflags, &config)) == 0) { 1319ea8dc4b6Seschrock error = spa_vdev_attach(spa, zc->zc_guid, config, replacing); 1320fa9e4066Sahrens nvlist_free(config); 1321fa9e4066Sahrens } 1322fa9e4066Sahrens 1323fa9e4066Sahrens spa_close(spa, FTAG); 1324fa9e4066Sahrens return (error); 1325fa9e4066Sahrens } 1326fa9e4066Sahrens 1327fa9e4066Sahrens static int 1328fa9e4066Sahrens zfs_ioc_vdev_detach(zfs_cmd_t *zc) 1329fa9e4066Sahrens { 1330fa9e4066Sahrens spa_t *spa; 1331fa9e4066Sahrens int error; 1332fa9e4066Sahrens 133306eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 1334fa9e4066Sahrens return (error); 1335fa9e4066Sahrens 13368ad4d6ddSJeff Bonwick error = spa_vdev_detach(spa, zc->zc_guid, 0, B_FALSE); 1337fa9e4066Sahrens 1338fa9e4066Sahrens spa_close(spa, FTAG); 1339fa9e4066Sahrens return (error); 1340fa9e4066Sahrens } 1341fa9e4066Sahrens 1342c67d9675Seschrock static int 1343c67d9675Seschrock zfs_ioc_vdev_setpath(zfs_cmd_t *zc) 1344c67d9675Seschrock { 1345c67d9675Seschrock spa_t *spa; 1346e9dbad6fSeschrock char *path = zc->zc_value; 1347ea8dc4b6Seschrock uint64_t guid = zc->zc_guid; 1348c67d9675Seschrock int error; 1349c67d9675Seschrock 1350c67d9675Seschrock error = spa_open(zc->zc_name, &spa, FTAG); 1351c67d9675Seschrock if (error != 0) 1352c67d9675Seschrock return (error); 1353c67d9675Seschrock 1354c67d9675Seschrock error = spa_vdev_setpath(spa, guid, path); 1355c67d9675Seschrock spa_close(spa, FTAG); 1356c67d9675Seschrock return (error); 1357c67d9675Seschrock } 1358c67d9675Seschrock 13596809eb4eSEric Schrock static int 13606809eb4eSEric Schrock zfs_ioc_vdev_setfru(zfs_cmd_t *zc) 13616809eb4eSEric Schrock { 13626809eb4eSEric Schrock spa_t *spa; 13636809eb4eSEric Schrock char *fru = zc->zc_value; 13646809eb4eSEric Schrock uint64_t guid = zc->zc_guid; 13656809eb4eSEric Schrock int error; 13666809eb4eSEric Schrock 13676809eb4eSEric Schrock error = spa_open(zc->zc_name, &spa, FTAG); 13686809eb4eSEric Schrock if (error != 0) 13696809eb4eSEric Schrock return (error); 13706809eb4eSEric Schrock 13716809eb4eSEric Schrock error = spa_vdev_setfru(spa, guid, fru); 13726809eb4eSEric Schrock spa_close(spa, FTAG); 13736809eb4eSEric Schrock return (error); 13746809eb4eSEric Schrock } 13756809eb4eSEric Schrock 13763cb34c60Sahrens /* 13773cb34c60Sahrens * inputs: 13783cb34c60Sahrens * zc_name name of filesystem 13793cb34c60Sahrens * zc_nvlist_dst_size size of buffer for property nvlist 13803cb34c60Sahrens * 13813cb34c60Sahrens * outputs: 13823cb34c60Sahrens * zc_objset_stats stats 13833cb34c60Sahrens * zc_nvlist_dst property nvlist 13843cb34c60Sahrens * zc_nvlist_dst_size size of property nvlist 13853cb34c60Sahrens */ 1386fa9e4066Sahrens static int 1387fa9e4066Sahrens zfs_ioc_objset_stats(zfs_cmd_t *zc) 1388fa9e4066Sahrens { 1389fa9e4066Sahrens objset_t *os = NULL; 1390fa9e4066Sahrens int error; 13917f7322feSeschrock nvlist_t *nv; 1392fa9e4066Sahrens 1393*503ad85cSMatthew Ahrens if (error = dmu_objset_hold(zc->zc_name, FTAG, &os)) 1394fa9e4066Sahrens return (error); 1395fa9e4066Sahrens 1396a2eea2e1Sahrens dmu_objset_fast_stat(os, &zc->zc_objset_stats); 1397fa9e4066Sahrens 13985ad82045Snd if (zc->zc_nvlist_dst != 0 && 1399745cd3c5Smaybee (error = dsl_prop_get_all(os, &nv, FALSE)) == 0) { 1400a2eea2e1Sahrens dmu_objset_stats(os, nv); 1401432f72fdSahrens /* 1402bd00f61bSrm * NB: zvol_get_stats() will read the objset contents, 1403432f72fdSahrens * which we aren't supposed to do with a 1404745cd3c5Smaybee * DS_MODE_USER hold, because it could be 1405432f72fdSahrens * inconsistent. So this is a bit of a workaround... 1406*503ad85cSMatthew Ahrens * XXX reading with out owning 1407432f72fdSahrens */ 1408e7437265Sahrens if (!zc->zc_objset_stats.dds_inconsistent) { 1409e7437265Sahrens if (dmu_objset_type(os) == DMU_OST_ZVOL) 1410e7437265Sahrens VERIFY(zvol_get_stats(os, nv) == 0); 1411e7437265Sahrens } 1412e9dbad6fSeschrock error = put_nvlist(zc, nv); 14137f7322feSeschrock nvlist_free(nv); 14147f7322feSeschrock } 1415fa9e4066Sahrens 1416*503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1417fa9e4066Sahrens return (error); 1418fa9e4066Sahrens } 1419fa9e4066Sahrens 1420de8267e0Stimh static int 1421de8267e0Stimh nvl_add_zplprop(objset_t *os, nvlist_t *props, zfs_prop_t prop) 1422de8267e0Stimh { 1423de8267e0Stimh uint64_t value; 1424de8267e0Stimh int error; 1425de8267e0Stimh 1426de8267e0Stimh /* 1427de8267e0Stimh * zfs_get_zplprop() will either find a value or give us 1428de8267e0Stimh * the default value (if there is one). 1429de8267e0Stimh */ 1430de8267e0Stimh if ((error = zfs_get_zplprop(os, prop, &value)) != 0) 1431de8267e0Stimh return (error); 1432de8267e0Stimh VERIFY(nvlist_add_uint64(props, zfs_prop_to_name(prop), value) == 0); 1433de8267e0Stimh return (0); 1434de8267e0Stimh } 1435de8267e0Stimh 14363cb34c60Sahrens /* 14373cb34c60Sahrens * inputs: 14383cb34c60Sahrens * zc_name name of filesystem 1439de8267e0Stimh * zc_nvlist_dst_size size of buffer for zpl property nvlist 14403cb34c60Sahrens * 14413cb34c60Sahrens * outputs: 1442de8267e0Stimh * zc_nvlist_dst zpl property nvlist 1443de8267e0Stimh * zc_nvlist_dst_size size of zpl property nvlist 14443cb34c60Sahrens */ 1445bd00f61bSrm static int 1446de8267e0Stimh zfs_ioc_objset_zplprops(zfs_cmd_t *zc) 1447bd00f61bSrm { 1448de8267e0Stimh objset_t *os; 1449de8267e0Stimh int err; 1450bd00f61bSrm 1451*503ad85cSMatthew Ahrens /* XXX reading without owning */ 1452*503ad85cSMatthew Ahrens if (err = dmu_objset_hold(zc->zc_name, FTAG, &os)) 1453de8267e0Stimh return (err); 1454bd00f61bSrm 1455bd00f61bSrm dmu_objset_fast_stat(os, &zc->zc_objset_stats); 1456bd00f61bSrm 1457bd00f61bSrm /* 1458de8267e0Stimh * NB: nvl_add_zplprop() will read the objset contents, 1459745cd3c5Smaybee * which we aren't supposed to do with a DS_MODE_USER 1460745cd3c5Smaybee * hold, because it could be inconsistent. 1461bd00f61bSrm */ 1462de8267e0Stimh if (zc->zc_nvlist_dst != NULL && 1463de8267e0Stimh !zc->zc_objset_stats.dds_inconsistent && 1464de8267e0Stimh dmu_objset_type(os) == DMU_OST_ZFS) { 1465de8267e0Stimh nvlist_t *nv; 1466de8267e0Stimh 1467de8267e0Stimh VERIFY(nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) == 0); 1468de8267e0Stimh if ((err = nvl_add_zplprop(os, nv, ZFS_PROP_VERSION)) == 0 && 1469de8267e0Stimh (err = nvl_add_zplprop(os, nv, ZFS_PROP_NORMALIZE)) == 0 && 1470de8267e0Stimh (err = nvl_add_zplprop(os, nv, ZFS_PROP_UTF8ONLY)) == 0 && 1471de8267e0Stimh (err = nvl_add_zplprop(os, nv, ZFS_PROP_CASE)) == 0) 1472de8267e0Stimh err = put_nvlist(zc, nv); 1473de8267e0Stimh nvlist_free(nv); 1474de8267e0Stimh } else { 1475de8267e0Stimh err = ENOENT; 1476de8267e0Stimh } 1477*503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1478de8267e0Stimh return (err); 1479bd00f61bSrm } 1480bd00f61bSrm 148114843421SMatthew Ahrens static boolean_t 148214843421SMatthew Ahrens dataset_name_hidden(const char *name) 148314843421SMatthew Ahrens { 148414843421SMatthew Ahrens /* 148514843421SMatthew Ahrens * Skip over datasets that are not visible in this zone, 148614843421SMatthew Ahrens * internal datasets (which have a $ in their name), and 148714843421SMatthew Ahrens * temporary datasets (which have a % in their name). 148814843421SMatthew Ahrens */ 148914843421SMatthew Ahrens if (strchr(name, '$') != NULL) 149014843421SMatthew Ahrens return (B_TRUE); 149114843421SMatthew Ahrens if (strchr(name, '%') != NULL) 149214843421SMatthew Ahrens return (B_TRUE); 149314843421SMatthew Ahrens if (!INGLOBALZONE(curproc) && !zone_dataset_visible(name, NULL)) 149414843421SMatthew Ahrens return (B_TRUE); 149514843421SMatthew Ahrens return (B_FALSE); 149614843421SMatthew Ahrens } 149714843421SMatthew Ahrens 1498de8267e0Stimh /* 1499de8267e0Stimh * inputs: 1500de8267e0Stimh * zc_name name of filesystem 1501de8267e0Stimh * zc_cookie zap cursor 1502de8267e0Stimh * zc_nvlist_dst_size size of buffer for property nvlist 1503de8267e0Stimh * 1504de8267e0Stimh * outputs: 1505de8267e0Stimh * zc_name name of next filesystem 150614843421SMatthew Ahrens * zc_cookie zap cursor 1507de8267e0Stimh * zc_objset_stats stats 1508de8267e0Stimh * zc_nvlist_dst property nvlist 1509de8267e0Stimh * zc_nvlist_dst_size size of property nvlist 1510de8267e0Stimh */ 1511fa9e4066Sahrens static int 1512fa9e4066Sahrens zfs_ioc_dataset_list_next(zfs_cmd_t *zc) 1513fa9e4066Sahrens { 151487e5029aSahrens objset_t *os; 1515fa9e4066Sahrens int error; 1516fa9e4066Sahrens char *p; 1517fa9e4066Sahrens 1518*503ad85cSMatthew Ahrens if (error = dmu_objset_hold(zc->zc_name, FTAG, &os)) { 151987e5029aSahrens if (error == ENOENT) 152087e5029aSahrens error = ESRCH; 152187e5029aSahrens return (error); 1522fa9e4066Sahrens } 1523fa9e4066Sahrens 1524fa9e4066Sahrens p = strrchr(zc->zc_name, '/'); 1525fa9e4066Sahrens if (p == NULL || p[1] != '\0') 1526fa9e4066Sahrens (void) strlcat(zc->zc_name, "/", sizeof (zc->zc_name)); 1527fa9e4066Sahrens p = zc->zc_name + strlen(zc->zc_name); 1528fa9e4066Sahrens 15295c0b6a79SRich Morris /* 15305c0b6a79SRich Morris * Pre-fetch the datasets. dmu_objset_prefetch() always returns 0 15315c0b6a79SRich Morris * but is not declared void because its called by dmu_objset_find(). 15325c0b6a79SRich Morris */ 15337f73c863SRich Morris if (zc->zc_cookie == 0) { 15347f73c863SRich Morris uint64_t cookie = 0; 15357f73c863SRich Morris int len = sizeof (zc->zc_name) - (p - zc->zc_name); 15367f73c863SRich Morris 15377f73c863SRich Morris while (dmu_dir_list_next(os, len, p, NULL, &cookie) == 0) 15385c0b6a79SRich Morris (void) dmu_objset_prefetch(p, NULL); 15397f73c863SRich Morris } 15407f73c863SRich Morris 1541fa9e4066Sahrens do { 154287e5029aSahrens error = dmu_dir_list_next(os, 154387e5029aSahrens sizeof (zc->zc_name) - (p - zc->zc_name), p, 154487e5029aSahrens NULL, &zc->zc_cookie); 1545fa9e4066Sahrens if (error == ENOENT) 1546fa9e4066Sahrens error = ESRCH; 154714843421SMatthew Ahrens } while (error == 0 && dataset_name_hidden(zc->zc_name)); 1548*503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1549fa9e4066Sahrens 155014843421SMatthew Ahrens if (error == 0) 155187e5029aSahrens error = zfs_ioc_objset_stats(zc); /* fill in the stats */ 1552fa9e4066Sahrens 1553fa9e4066Sahrens return (error); 1554fa9e4066Sahrens } 1555fa9e4066Sahrens 15563cb34c60Sahrens /* 15573cb34c60Sahrens * inputs: 15583cb34c60Sahrens * zc_name name of filesystem 15593cb34c60Sahrens * zc_cookie zap cursor 15603cb34c60Sahrens * zc_nvlist_dst_size size of buffer for property nvlist 15613cb34c60Sahrens * 15623cb34c60Sahrens * outputs: 15633cb34c60Sahrens * zc_name name of next snapshot 15643cb34c60Sahrens * zc_objset_stats stats 15653cb34c60Sahrens * zc_nvlist_dst property nvlist 15663cb34c60Sahrens * zc_nvlist_dst_size size of property nvlist 15673cb34c60Sahrens */ 1568fa9e4066Sahrens static int 1569fa9e4066Sahrens zfs_ioc_snapshot_list_next(zfs_cmd_t *zc) 1570fa9e4066Sahrens { 157187e5029aSahrens objset_t *os; 1572fa9e4066Sahrens int error; 1573fa9e4066Sahrens 1574*503ad85cSMatthew Ahrens error = dmu_objset_hold(zc->zc_name, FTAG, &os); 1575745cd3c5Smaybee if (error) 1576745cd3c5Smaybee return (error == ENOENT ? ESRCH : error); 1577fa9e4066Sahrens 157814843421SMatthew Ahrens if (zc->zc_cookie == 0) { 15795c0b6a79SRich Morris (void) dmu_objset_find(zc->zc_name, dmu_objset_prefetch, 15807f73c863SRich Morris NULL, DS_FIND_SNAPSHOTS); 158114843421SMatthew Ahrens } 1582b81d61a6Slling /* 1583b81d61a6Slling * A dataset name of maximum length cannot have any snapshots, 1584b81d61a6Slling * so exit immediately. 1585b81d61a6Slling */ 1586b81d61a6Slling if (strlcat(zc->zc_name, "@", sizeof (zc->zc_name)) >= MAXNAMELEN) { 1587*503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1588b81d61a6Slling return (ESRCH); 1589fa9e4066Sahrens } 1590fa9e4066Sahrens 159187e5029aSahrens error = dmu_snapshot_list_next(os, 159287e5029aSahrens sizeof (zc->zc_name) - strlen(zc->zc_name), 1593b38f0970Sck zc->zc_name + strlen(zc->zc_name), NULL, &zc->zc_cookie, NULL); 1594*503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 159587e5029aSahrens if (error == 0) 159687e5029aSahrens error = zfs_ioc_objset_stats(zc); /* fill in the stats */ 1597745cd3c5Smaybee else if (error == ENOENT) 1598745cd3c5Smaybee error = ESRCH; 1599fa9e4066Sahrens 16003cb34c60Sahrens /* if we failed, undo the @ that we tacked on to zc_name */ 1601745cd3c5Smaybee if (error) 16023cb34c60Sahrens *strchr(zc->zc_name, '@') = '\0'; 1603fa9e4066Sahrens return (error); 1604fa9e4066Sahrens } 1605fa9e4066Sahrens 1606e7cbe64fSgw int 160791ebeef5Sahrens zfs_set_prop_nvlist(const char *name, nvlist_t *nvl) 1608fa9e4066Sahrens { 1609e9dbad6fSeschrock nvpair_t *elem; 16105f389de5SRich Morris int error = 0; 1611e9dbad6fSeschrock uint64_t intval; 1612e9dbad6fSeschrock char *strval; 16135c0b6a79SRich Morris nvlist_t *genericnvl; 161414843421SMatthew Ahrens boolean_t issnap = (strchr(name, '@') != NULL); 1615e9dbad6fSeschrock 1616ecd6cf80Smarks /* 1617ecd6cf80Smarks * First validate permission to set all of the properties 1618ecd6cf80Smarks */ 1619e9dbad6fSeschrock elem = NULL; 1620e9dbad6fSeschrock while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { 1621db870a07Sahrens const char *propname = nvpair_name(elem); 1622db870a07Sahrens zfs_prop_t prop = zfs_name_to_prop(propname); 1623e9dbad6fSeschrock 1624990b4856Slling if (prop == ZPROP_INVAL) { 1625e9dbad6fSeschrock /* 1626e9dbad6fSeschrock * If this is a user-defined property, it must be a 1627e9dbad6fSeschrock * string, and there is no further validation to do. 1628e9dbad6fSeschrock */ 162914843421SMatthew Ahrens if (zfs_prop_user(propname) && 163014843421SMatthew Ahrens nvpair_type(elem) == DATA_TYPE_STRING) { 163114843421SMatthew Ahrens if (error = zfs_secpolicy_write_perms(name, 163214843421SMatthew Ahrens ZFS_DELEG_PERM_USERPROP, CRED())) 163314843421SMatthew Ahrens return (error); 163414843421SMatthew Ahrens continue; 163514843421SMatthew Ahrens } 1636e9dbad6fSeschrock 163714843421SMatthew Ahrens if (!issnap && zfs_prop_userquota(propname) && 163814843421SMatthew Ahrens nvpair_type(elem) == DATA_TYPE_UINT64_ARRAY) { 163914843421SMatthew Ahrens const char *perm; 164014843421SMatthew Ahrens const char *up = zfs_userquota_prop_prefixes 164114843421SMatthew Ahrens [ZFS_PROP_USERQUOTA]; 164214843421SMatthew Ahrens if (strncmp(propname, up, strlen(up)) == 0) 164314843421SMatthew Ahrens perm = ZFS_DELEG_PERM_USERQUOTA; 164414843421SMatthew Ahrens else 164514843421SMatthew Ahrens perm = ZFS_DELEG_PERM_GROUPQUOTA; 164614843421SMatthew Ahrens if (error = zfs_secpolicy_write_perms(name, 164714843421SMatthew Ahrens perm, CRED())) 164814843421SMatthew Ahrens return (error); 164914843421SMatthew Ahrens continue; 165014843421SMatthew Ahrens } 165114843421SMatthew Ahrens 165214843421SMatthew Ahrens return (EINVAL); 1653e9dbad6fSeschrock } 1654fa9e4066Sahrens 165514843421SMatthew Ahrens if (issnap) 165614843421SMatthew Ahrens return (EINVAL); 165714843421SMatthew Ahrens 165891ebeef5Sahrens if ((error = zfs_secpolicy_setprop(name, prop, CRED())) != 0) 1659db870a07Sahrens return (error); 1660db870a07Sahrens 1661e9dbad6fSeschrock /* 1662db870a07Sahrens * Check that this value is valid for this pool version 1663e9dbad6fSeschrock */ 1664e9dbad6fSeschrock switch (prop) { 1665c9431fa1Sahl case ZFS_PROP_COMPRESSION: 1666c9431fa1Sahl /* 1667c9431fa1Sahl * If the user specified gzip compression, make sure 1668c9431fa1Sahl * the SPA supports it. We ignore any errors here since 1669c9431fa1Sahl * we'll catch them later. 1670c9431fa1Sahl */ 1671c9431fa1Sahl if (nvpair_type(elem) == DATA_TYPE_UINT64 && 167215e6edf1Sgw nvpair_value_uint64(elem, &intval) == 0) { 167315e6edf1Sgw if (intval >= ZIO_COMPRESS_GZIP_1 && 167415e6edf1Sgw intval <= ZIO_COMPRESS_GZIP_9 && 16750a48a24eStimh zfs_earlier_version(name, 1676da6c28aaSamw SPA_VERSION_GZIP_COMPRESSION)) 1677da6c28aaSamw return (ENOTSUP); 167815e6edf1Sgw 167915e6edf1Sgw /* 168015e6edf1Sgw * If this is a bootable dataset then 168115e6edf1Sgw * verify that the compression algorithm 168215e6edf1Sgw * is supported for booting. We must return 168315e6edf1Sgw * something other than ENOTSUP since it 168415e6edf1Sgw * implies a downrev pool version. 168515e6edf1Sgw */ 168615e6edf1Sgw if (zfs_is_bootfs(name) && 168715e6edf1Sgw !BOOTFS_COMPRESS_VALID(intval)) 168815e6edf1Sgw return (ERANGE); 1689c9431fa1Sahl } 1690c9431fa1Sahl break; 169140feaa91Sahrens 169240feaa91Sahrens case ZFS_PROP_COPIES: 169314843421SMatthew Ahrens if (zfs_earlier_version(name, SPA_VERSION_DITTO_BLOCKS)) 1694da6c28aaSamw return (ENOTSUP); 169540feaa91Sahrens break; 16969e6eda55Smarks 16979e6eda55Smarks case ZFS_PROP_SHARESMB: 1698745cd3c5Smaybee if (zpl_earlier_version(name, ZPL_VERSION_FUID)) 16999e6eda55Smarks return (ENOTSUP); 17009e6eda55Smarks break; 1701d0f3f37eSMark Shellenbaum 1702d0f3f37eSMark Shellenbaum case ZFS_PROP_ACLINHERIT: 1703d0f3f37eSMark Shellenbaum if (nvpair_type(elem) == DATA_TYPE_UINT64 && 1704d0f3f37eSMark Shellenbaum nvpair_value_uint64(elem, &intval) == 0) 1705d0f3f37eSMark Shellenbaum if (intval == ZFS_ACL_PASSTHROUGH_X && 1706d0f3f37eSMark Shellenbaum zfs_earlier_version(name, 1707d0f3f37eSMark Shellenbaum SPA_VERSION_PASSTHROUGH_X)) 1708d0f3f37eSMark Shellenbaum return (ENOTSUP); 170940feaa91Sahrens } 1710ecd6cf80Smarks } 1711ecd6cf80Smarks 17125c0b6a79SRich Morris VERIFY(nvlist_alloc(&genericnvl, NV_UNIQUE_NAME, KM_SLEEP) == 0); 1713ecd6cf80Smarks elem = NULL; 1714ecd6cf80Smarks while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { 1715db870a07Sahrens const char *propname = nvpair_name(elem); 1716db870a07Sahrens zfs_prop_t prop = zfs_name_to_prop(propname); 1717ecd6cf80Smarks 1718990b4856Slling if (prop == ZPROP_INVAL) { 171914843421SMatthew Ahrens if (zfs_prop_userquota(propname)) { 172014843421SMatthew Ahrens uint64_t *valary; 172114843421SMatthew Ahrens unsigned int vallen; 172214843421SMatthew Ahrens const char *domain; 172314843421SMatthew Ahrens zfs_userquota_prop_t type; 172414843421SMatthew Ahrens uint64_t rid; 172514843421SMatthew Ahrens uint64_t quota; 172614843421SMatthew Ahrens zfsvfs_t *zfsvfs; 172714843421SMatthew Ahrens 172814843421SMatthew Ahrens VERIFY(nvpair_value_uint64_array(elem, 172914843421SMatthew Ahrens &valary, &vallen) == 0); 173014843421SMatthew Ahrens VERIFY(vallen == 3); 173114843421SMatthew Ahrens type = valary[0]; 173214843421SMatthew Ahrens rid = valary[1]; 173314843421SMatthew Ahrens quota = valary[2]; 173414843421SMatthew Ahrens domain = propname + 173514843421SMatthew Ahrens strlen(zfs_userquota_prop_prefixes[type]); 173614843421SMatthew Ahrens 1737*503ad85cSMatthew Ahrens error = zfsvfs_hold(name, FTAG, &zfsvfs); 173814843421SMatthew Ahrens if (error == 0) { 173914843421SMatthew Ahrens error = zfs_set_userquota(zfsvfs, 174014843421SMatthew Ahrens type, domain, rid, quota); 174114843421SMatthew Ahrens zfsvfs_rele(zfsvfs, FTAG); 174214843421SMatthew Ahrens } 174314843421SMatthew Ahrens if (error == 0) 174414843421SMatthew Ahrens continue; 174514843421SMatthew Ahrens else 174614843421SMatthew Ahrens goto out; 174714843421SMatthew Ahrens } else if (zfs_prop_user(propname)) { 174814843421SMatthew Ahrens VERIFY(nvpair_value_string(elem, &strval) == 0); 174914843421SMatthew Ahrens error = dsl_prop_set(name, propname, 1, 175014843421SMatthew Ahrens strlen(strval) + 1, strval); 175114843421SMatthew Ahrens if (error == 0) 175214843421SMatthew Ahrens continue; 175314843421SMatthew Ahrens else 175414843421SMatthew Ahrens goto out; 175514843421SMatthew Ahrens } 1756ecd6cf80Smarks } 1757e9dbad6fSeschrock 1758e9dbad6fSeschrock switch (prop) { 1759e9dbad6fSeschrock case ZFS_PROP_QUOTA: 1760e9dbad6fSeschrock if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 1761e7437265Sahrens (error = dsl_dir_set_quota(name, intval)) != 0) 17625c0b6a79SRich Morris goto out; 1763e9dbad6fSeschrock break; 1764e9dbad6fSeschrock 1765a9799022Sck case ZFS_PROP_REFQUOTA: 1766a9799022Sck if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 1767a9799022Sck (error = dsl_dataset_set_quota(name, intval)) != 0) 17685c0b6a79SRich Morris goto out; 1769a9799022Sck break; 1770a9799022Sck 1771e9dbad6fSeschrock case ZFS_PROP_RESERVATION: 1772e9dbad6fSeschrock if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 1773e9dbad6fSeschrock (error = dsl_dir_set_reservation(name, 1774e9dbad6fSeschrock intval)) != 0) 17755c0b6a79SRich Morris goto out; 1776e9dbad6fSeschrock break; 1777e9dbad6fSeschrock 1778a9799022Sck case ZFS_PROP_REFRESERVATION: 1779a9799022Sck if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 1780a9799022Sck (error = dsl_dataset_set_reservation(name, 1781a9799022Sck intval)) != 0) 17825c0b6a79SRich Morris goto out; 1783a9799022Sck break; 1784a9799022Sck 1785e9dbad6fSeschrock case ZFS_PROP_VOLSIZE: 1786e9dbad6fSeschrock if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 178791ebeef5Sahrens (error = zvol_set_volsize(name, 178891ebeef5Sahrens ddi_driver_major(zfs_dip), intval)) != 0) 17895c0b6a79SRich Morris goto out; 1790e9dbad6fSeschrock break; 1791e9dbad6fSeschrock 1792e9dbad6fSeschrock case ZFS_PROP_VOLBLOCKSIZE: 1793e9dbad6fSeschrock if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 1794e7437265Sahrens (error = zvol_set_volblocksize(name, intval)) != 0) 17955c0b6a79SRich Morris goto out; 1796e7437265Sahrens break; 1797e7437265Sahrens 1798e7437265Sahrens case ZFS_PROP_VERSION: 179914843421SMatthew Ahrens { 180014843421SMatthew Ahrens zfsvfs_t *zfsvfs; 180114843421SMatthew Ahrens 180214843421SMatthew Ahrens if ((error = nvpair_value_uint64(elem, &intval)) != 0) 180314843421SMatthew Ahrens goto out; 1804*503ad85cSMatthew Ahrens if ((error = zfsvfs_hold(name, FTAG, &zfsvfs)) != 0) 180514843421SMatthew Ahrens goto out; 180614843421SMatthew Ahrens error = zfs_set_version(zfsvfs, intval); 180714843421SMatthew Ahrens zfsvfs_rele(zfsvfs, FTAG); 180814843421SMatthew Ahrens 180914843421SMatthew Ahrens if (error == 0 && intval >= ZPL_VERSION_USERSPACE) { 181014843421SMatthew Ahrens zfs_cmd_t zc = { 0 }; 181114843421SMatthew Ahrens (void) strcpy(zc.zc_name, name); 181214843421SMatthew Ahrens (void) zfs_ioc_userspace_upgrade(&zc); 181314843421SMatthew Ahrens } 181414843421SMatthew Ahrens if (error) 18155c0b6a79SRich Morris goto out; 1816e9dbad6fSeschrock break; 181714843421SMatthew Ahrens } 1818e9dbad6fSeschrock 1819e9dbad6fSeschrock default: 1820e9dbad6fSeschrock if (nvpair_type(elem) == DATA_TYPE_STRING) { 1821e9dbad6fSeschrock if (zfs_prop_get_type(prop) != 18225c0b6a79SRich Morris PROP_TYPE_STRING) { 18235c0b6a79SRich Morris error = EINVAL; 18245c0b6a79SRich Morris goto out; 18255c0b6a79SRich Morris } 1826e9dbad6fSeschrock } else if (nvpair_type(elem) == DATA_TYPE_UINT64) { 1827a2eea2e1Sahrens const char *unused; 1828a2eea2e1Sahrens 1829acd76fe5Seschrock VERIFY(nvpair_value_uint64(elem, &intval) == 0); 1830e9dbad6fSeschrock 1831e9dbad6fSeschrock switch (zfs_prop_get_type(prop)) { 183291ebeef5Sahrens case PROP_TYPE_NUMBER: 1833e9dbad6fSeschrock break; 183491ebeef5Sahrens case PROP_TYPE_STRING: 18355c0b6a79SRich Morris error = EINVAL; 18365c0b6a79SRich Morris goto out; 183791ebeef5Sahrens case PROP_TYPE_INDEX: 1838acd76fe5Seschrock if (zfs_prop_index_to_string(prop, 18395c0b6a79SRich Morris intval, &unused) != 0) { 18405c0b6a79SRich Morris error = EINVAL; 18415c0b6a79SRich Morris goto out; 18425c0b6a79SRich Morris } 1843e9dbad6fSeschrock break; 1844e9dbad6fSeschrock default: 1845e7437265Sahrens cmn_err(CE_PANIC, 1846e7437265Sahrens "unknown property type"); 1847e9dbad6fSeschrock break; 1848e9dbad6fSeschrock } 1849e9dbad6fSeschrock } else { 18505c0b6a79SRich Morris error = EINVAL; 18515c0b6a79SRich Morris goto out; 1852e9dbad6fSeschrock } 18535c0b6a79SRich Morris if ((error = nvlist_add_nvpair(genericnvl, elem)) != 0) 18545c0b6a79SRich Morris goto out; 1855e9dbad6fSeschrock } 1856e9dbad6fSeschrock } 1857e9dbad6fSeschrock 18585c0b6a79SRich Morris if (nvlist_next_nvpair(genericnvl, NULL) != NULL) { 18595c0b6a79SRich Morris error = dsl_props_set(name, genericnvl); 18605c0b6a79SRich Morris } 18615c0b6a79SRich Morris out: 18625c0b6a79SRich Morris nvlist_free(genericnvl); 18635c0b6a79SRich Morris return (error); 1864fa9e4066Sahrens } 1865fa9e4066Sahrens 1866ea2f5b9eSMatthew Ahrens /* 1867ea2f5b9eSMatthew Ahrens * Check that all the properties are valid user properties. 1868ea2f5b9eSMatthew Ahrens */ 1869ea2f5b9eSMatthew Ahrens static int 1870ea2f5b9eSMatthew Ahrens zfs_check_userprops(char *fsname, nvlist_t *nvl) 1871ea2f5b9eSMatthew Ahrens { 1872ea2f5b9eSMatthew Ahrens nvpair_t *elem = NULL; 1873ea2f5b9eSMatthew Ahrens int error = 0; 1874ea2f5b9eSMatthew Ahrens 1875ea2f5b9eSMatthew Ahrens while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { 1876ea2f5b9eSMatthew Ahrens const char *propname = nvpair_name(elem); 1877ea2f5b9eSMatthew Ahrens char *valstr; 1878ea2f5b9eSMatthew Ahrens 1879ea2f5b9eSMatthew Ahrens if (!zfs_prop_user(propname) || 1880ea2f5b9eSMatthew Ahrens nvpair_type(elem) != DATA_TYPE_STRING) 1881ea2f5b9eSMatthew Ahrens return (EINVAL); 1882ea2f5b9eSMatthew Ahrens 1883ea2f5b9eSMatthew Ahrens if (error = zfs_secpolicy_write_perms(fsname, 1884ea2f5b9eSMatthew Ahrens ZFS_DELEG_PERM_USERPROP, CRED())) 1885ea2f5b9eSMatthew Ahrens return (error); 1886ea2f5b9eSMatthew Ahrens 1887ea2f5b9eSMatthew Ahrens if (strlen(propname) >= ZAP_MAXNAMELEN) 1888ea2f5b9eSMatthew Ahrens return (ENAMETOOLONG); 1889ea2f5b9eSMatthew Ahrens 1890ea2f5b9eSMatthew Ahrens VERIFY(nvpair_value_string(elem, &valstr) == 0); 1891ea2f5b9eSMatthew Ahrens if (strlen(valstr) >= ZAP_MAXVALUELEN) 1892ea2f5b9eSMatthew Ahrens return (E2BIG); 1893ea2f5b9eSMatthew Ahrens } 1894ea2f5b9eSMatthew Ahrens return (0); 1895ea2f5b9eSMatthew Ahrens } 1896ea2f5b9eSMatthew Ahrens 18973cb34c60Sahrens /* 18983cb34c60Sahrens * inputs: 18993cb34c60Sahrens * zc_name name of filesystem 19005c0b6a79SRich Morris * zc_value name of property to set 19013cb34c60Sahrens * zc_nvlist_src{_size} nvlist of properties to apply 1902bb0ade09Sahrens * zc_cookie clear existing local props? 19033cb34c60Sahrens * 19043cb34c60Sahrens * outputs: none 19053cb34c60Sahrens */ 1906fa9e4066Sahrens static int 1907e9dbad6fSeschrock zfs_ioc_set_prop(zfs_cmd_t *zc) 1908fa9e4066Sahrens { 1909e9dbad6fSeschrock nvlist_t *nvl; 1910e9dbad6fSeschrock int error; 1911e9dbad6fSeschrock 1912990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 1913478ed9adSEric Taylor zc->zc_iflags, &nvl)) != 0) 1914e9dbad6fSeschrock return (error); 1915e9dbad6fSeschrock 1916bb0ade09Sahrens if (zc->zc_cookie) { 1917bb0ade09Sahrens nvlist_t *origprops; 1918bb0ade09Sahrens objset_t *os; 1919bb0ade09Sahrens 1920*503ad85cSMatthew Ahrens if (dmu_objset_hold(zc->zc_name, FTAG, &os) == 0) { 1921bb0ade09Sahrens if (dsl_prop_get_all(os, &origprops, TRUE) == 0) { 19226e77af0aSDavid Pacheco clear_props(zc->zc_name, origprops, nvl); 1923bb0ade09Sahrens nvlist_free(origprops); 1924bb0ade09Sahrens } 1925*503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1926bb0ade09Sahrens } 1927bb0ade09Sahrens 1928bb0ade09Sahrens } 1929bb0ade09Sahrens 193091ebeef5Sahrens error = zfs_set_prop_nvlist(zc->zc_name, nvl); 1931ecd6cf80Smarks 1932e9dbad6fSeschrock nvlist_free(nvl); 1933e9dbad6fSeschrock return (error); 1934fa9e4066Sahrens } 1935fa9e4066Sahrens 19363cb34c60Sahrens /* 19373cb34c60Sahrens * inputs: 19383cb34c60Sahrens * zc_name name of filesystem 19393cb34c60Sahrens * zc_value name of property to inherit 19403cb34c60Sahrens * 19413cb34c60Sahrens * outputs: none 19423cb34c60Sahrens */ 1943e45ce728Sahrens static int 1944e45ce728Sahrens zfs_ioc_inherit_prop(zfs_cmd_t *zc) 1945e45ce728Sahrens { 1946e45ce728Sahrens /* the property name has been validated by zfs_secpolicy_inherit() */ 1947e45ce728Sahrens return (dsl_prop_set(zc->zc_name, zc->zc_value, 0, 0, NULL)); 1948e45ce728Sahrens } 1949e45ce728Sahrens 1950b1b8ab34Slling static int 195111a41203Slling zfs_ioc_pool_set_props(zfs_cmd_t *zc) 1952b1b8ab34Slling { 1953990b4856Slling nvlist_t *props; 1954b1b8ab34Slling spa_t *spa; 1955990b4856Slling int error; 1956379c004dSEric Schrock nvpair_t *elem; 1957b1b8ab34Slling 1958990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 1959478ed9adSEric Taylor zc->zc_iflags, &props))) 1960b1b8ab34Slling return (error); 1961b1b8ab34Slling 1962379c004dSEric Schrock /* 1963379c004dSEric Schrock * If the only property is the configfile, then just do a spa_lookup() 1964379c004dSEric Schrock * to handle the faulted case. 1965379c004dSEric Schrock */ 1966379c004dSEric Schrock elem = nvlist_next_nvpair(props, NULL); 1967379c004dSEric Schrock if (elem != NULL && strcmp(nvpair_name(elem), 1968379c004dSEric Schrock zpool_prop_to_name(ZPOOL_PROP_CACHEFILE)) == 0 && 1969379c004dSEric Schrock nvlist_next_nvpair(props, elem) == NULL) { 1970379c004dSEric Schrock mutex_enter(&spa_namespace_lock); 1971379c004dSEric Schrock if ((spa = spa_lookup(zc->zc_name)) != NULL) { 1972379c004dSEric Schrock spa_configfile_set(spa, props, B_FALSE); 1973379c004dSEric Schrock spa_config_sync(spa, B_FALSE, B_TRUE); 1974379c004dSEric Schrock } 1975379c004dSEric Schrock mutex_exit(&spa_namespace_lock); 1976379c004dSEric Schrock if (spa != NULL) 1977379c004dSEric Schrock return (0); 1978379c004dSEric Schrock } 1979379c004dSEric Schrock 1980b1b8ab34Slling if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { 1981990b4856Slling nvlist_free(props); 1982b1b8ab34Slling return (error); 1983b1b8ab34Slling } 1984b1b8ab34Slling 1985990b4856Slling error = spa_prop_set(spa, props); 1986b1b8ab34Slling 1987990b4856Slling nvlist_free(props); 1988b1b8ab34Slling spa_close(spa, FTAG); 1989b1b8ab34Slling 1990b1b8ab34Slling return (error); 1991b1b8ab34Slling } 1992b1b8ab34Slling 1993b1b8ab34Slling static int 199411a41203Slling zfs_ioc_pool_get_props(zfs_cmd_t *zc) 1995b1b8ab34Slling { 1996b1b8ab34Slling spa_t *spa; 1997b1b8ab34Slling int error; 1998b1b8ab34Slling nvlist_t *nvp = NULL; 1999b1b8ab34Slling 2000379c004dSEric Schrock if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { 2001379c004dSEric Schrock /* 2002379c004dSEric Schrock * If the pool is faulted, there may be properties we can still 2003379c004dSEric Schrock * get (such as altroot and cachefile), so attempt to get them 2004379c004dSEric Schrock * anyway. 2005379c004dSEric Schrock */ 2006379c004dSEric Schrock mutex_enter(&spa_namespace_lock); 2007379c004dSEric Schrock if ((spa = spa_lookup(zc->zc_name)) != NULL) 2008379c004dSEric Schrock error = spa_prop_get(spa, &nvp); 2009379c004dSEric Schrock mutex_exit(&spa_namespace_lock); 2010379c004dSEric Schrock } else { 2011379c004dSEric Schrock error = spa_prop_get(spa, &nvp); 2012379c004dSEric Schrock spa_close(spa, FTAG); 2013379c004dSEric Schrock } 2014b1b8ab34Slling 2015b1b8ab34Slling if (error == 0 && zc->zc_nvlist_dst != NULL) 2016b1b8ab34Slling error = put_nvlist(zc, nvp); 2017b1b8ab34Slling else 2018b1b8ab34Slling error = EFAULT; 2019b1b8ab34Slling 2020379c004dSEric Schrock nvlist_free(nvp); 2021b1b8ab34Slling return (error); 2022b1b8ab34Slling } 2023b1b8ab34Slling 2024ecd6cf80Smarks static int 2025ecd6cf80Smarks zfs_ioc_iscsi_perm_check(zfs_cmd_t *zc) 2026ecd6cf80Smarks { 2027ecd6cf80Smarks nvlist_t *nvp; 2028ecd6cf80Smarks int error; 2029ecd6cf80Smarks uint32_t uid; 2030ecd6cf80Smarks uint32_t gid; 2031ecd6cf80Smarks uint32_t *groups; 2032ecd6cf80Smarks uint_t group_cnt; 2033ecd6cf80Smarks cred_t *usercred; 2034ecd6cf80Smarks 2035990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 2036478ed9adSEric Taylor zc->zc_iflags, &nvp)) != 0) { 2037ecd6cf80Smarks return (error); 2038ecd6cf80Smarks } 2039ecd6cf80Smarks 2040ecd6cf80Smarks if ((error = nvlist_lookup_uint32(nvp, 2041ecd6cf80Smarks ZFS_DELEG_PERM_UID, &uid)) != 0) { 2042ecd6cf80Smarks nvlist_free(nvp); 2043ecd6cf80Smarks return (EPERM); 2044ecd6cf80Smarks } 2045ecd6cf80Smarks 2046ecd6cf80Smarks if ((error = nvlist_lookup_uint32(nvp, 2047ecd6cf80Smarks ZFS_DELEG_PERM_GID, &gid)) != 0) { 2048ecd6cf80Smarks nvlist_free(nvp); 2049ecd6cf80Smarks return (EPERM); 2050ecd6cf80Smarks } 2051ecd6cf80Smarks 2052ecd6cf80Smarks if ((error = nvlist_lookup_uint32_array(nvp, ZFS_DELEG_PERM_GROUPS, 2053ecd6cf80Smarks &groups, &group_cnt)) != 0) { 2054ecd6cf80Smarks nvlist_free(nvp); 2055ecd6cf80Smarks return (EPERM); 2056ecd6cf80Smarks } 2057ecd6cf80Smarks usercred = cralloc(); 2058ecd6cf80Smarks if ((crsetugid(usercred, uid, gid) != 0) || 2059ecd6cf80Smarks (crsetgroups(usercred, group_cnt, (gid_t *)groups) != 0)) { 2060ecd6cf80Smarks nvlist_free(nvp); 2061ecd6cf80Smarks crfree(usercred); 2062ecd6cf80Smarks return (EPERM); 2063ecd6cf80Smarks } 2064ecd6cf80Smarks nvlist_free(nvp); 2065ecd6cf80Smarks error = dsl_deleg_access(zc->zc_name, 206691ebeef5Sahrens zfs_prop_to_name(ZFS_PROP_SHAREISCSI), usercred); 2067ecd6cf80Smarks crfree(usercred); 2068ecd6cf80Smarks return (error); 2069ecd6cf80Smarks } 2070ecd6cf80Smarks 20713cb34c60Sahrens /* 20723cb34c60Sahrens * inputs: 20733cb34c60Sahrens * zc_name name of filesystem 20743cb34c60Sahrens * zc_nvlist_src{_size} nvlist of delegated permissions 20753cb34c60Sahrens * zc_perm_action allow/unallow flag 20763cb34c60Sahrens * 20773cb34c60Sahrens * outputs: none 20783cb34c60Sahrens */ 2079ecd6cf80Smarks static int 2080ecd6cf80Smarks zfs_ioc_set_fsacl(zfs_cmd_t *zc) 2081ecd6cf80Smarks { 2082ecd6cf80Smarks int error; 2083ecd6cf80Smarks nvlist_t *fsaclnv = NULL; 2084ecd6cf80Smarks 2085990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 2086478ed9adSEric Taylor zc->zc_iflags, &fsaclnv)) != 0) 2087ecd6cf80Smarks return (error); 2088ecd6cf80Smarks 2089ecd6cf80Smarks /* 2090ecd6cf80Smarks * Verify nvlist is constructed correctly 2091ecd6cf80Smarks */ 2092ecd6cf80Smarks if ((error = zfs_deleg_verify_nvlist(fsaclnv)) != 0) { 2093ecd6cf80Smarks nvlist_free(fsaclnv); 2094ecd6cf80Smarks return (EINVAL); 2095ecd6cf80Smarks } 2096ecd6cf80Smarks 2097ecd6cf80Smarks /* 2098ecd6cf80Smarks * If we don't have PRIV_SYS_MOUNT, then validate 2099ecd6cf80Smarks * that user is allowed to hand out each permission in 2100ecd6cf80Smarks * the nvlist(s) 2101ecd6cf80Smarks */ 2102ecd6cf80Smarks 210391ebeef5Sahrens error = secpolicy_zfs(CRED()); 2104ecd6cf80Smarks if (error) { 210591ebeef5Sahrens if (zc->zc_perm_action == B_FALSE) { 210691ebeef5Sahrens error = dsl_deleg_can_allow(zc->zc_name, 210791ebeef5Sahrens fsaclnv, CRED()); 210891ebeef5Sahrens } else { 210991ebeef5Sahrens error = dsl_deleg_can_unallow(zc->zc_name, 211091ebeef5Sahrens fsaclnv, CRED()); 211191ebeef5Sahrens } 2112ecd6cf80Smarks } 2113ecd6cf80Smarks 2114ecd6cf80Smarks if (error == 0) 2115ecd6cf80Smarks error = dsl_deleg_set(zc->zc_name, fsaclnv, zc->zc_perm_action); 2116ecd6cf80Smarks 2117ecd6cf80Smarks nvlist_free(fsaclnv); 2118ecd6cf80Smarks return (error); 2119ecd6cf80Smarks } 2120ecd6cf80Smarks 21213cb34c60Sahrens /* 21223cb34c60Sahrens * inputs: 21233cb34c60Sahrens * zc_name name of filesystem 21243cb34c60Sahrens * 21253cb34c60Sahrens * outputs: 21263cb34c60Sahrens * zc_nvlist_src{_size} nvlist of delegated permissions 21273cb34c60Sahrens */ 2128ecd6cf80Smarks static int 2129ecd6cf80Smarks zfs_ioc_get_fsacl(zfs_cmd_t *zc) 2130ecd6cf80Smarks { 2131ecd6cf80Smarks nvlist_t *nvp; 2132ecd6cf80Smarks int error; 2133ecd6cf80Smarks 2134ecd6cf80Smarks if ((error = dsl_deleg_get(zc->zc_name, &nvp)) == 0) { 2135ecd6cf80Smarks error = put_nvlist(zc, nvp); 2136ecd6cf80Smarks nvlist_free(nvp); 2137ecd6cf80Smarks } 2138ecd6cf80Smarks 2139ecd6cf80Smarks return (error); 2140ecd6cf80Smarks } 2141ecd6cf80Smarks 21423cb34c60Sahrens /* 21433cb34c60Sahrens * inputs: 21443cb34c60Sahrens * zc_name name of volume 21453cb34c60Sahrens * 21463cb34c60Sahrens * outputs: none 21473cb34c60Sahrens */ 2148fa9e4066Sahrens static int 2149fa9e4066Sahrens zfs_ioc_create_minor(zfs_cmd_t *zc) 2150fa9e4066Sahrens { 215191ebeef5Sahrens return (zvol_create_minor(zc->zc_name, ddi_driver_major(zfs_dip))); 2152fa9e4066Sahrens } 2153fa9e4066Sahrens 21543cb34c60Sahrens /* 21553cb34c60Sahrens * inputs: 21563cb34c60Sahrens * zc_name name of volume 21573cb34c60Sahrens * 21583cb34c60Sahrens * outputs: none 21593cb34c60Sahrens */ 2160fa9e4066Sahrens static int 2161fa9e4066Sahrens zfs_ioc_remove_minor(zfs_cmd_t *zc) 2162fa9e4066Sahrens { 2163e9dbad6fSeschrock return (zvol_remove_minor(zc->zc_name)); 2164fa9e4066Sahrens } 2165fa9e4066Sahrens 2166fa9e4066Sahrens /* 2167fa9e4066Sahrens * Search the vfs list for a specified resource. Returns a pointer to it 2168fa9e4066Sahrens * or NULL if no suitable entry is found. The caller of this routine 2169fa9e4066Sahrens * is responsible for releasing the returned vfs pointer. 2170fa9e4066Sahrens */ 2171fa9e4066Sahrens static vfs_t * 2172fa9e4066Sahrens zfs_get_vfs(const char *resource) 2173fa9e4066Sahrens { 2174fa9e4066Sahrens struct vfs *vfsp; 2175fa9e4066Sahrens struct vfs *vfs_found = NULL; 2176fa9e4066Sahrens 2177fa9e4066Sahrens vfs_list_read_lock(); 2178fa9e4066Sahrens vfsp = rootvfs; 2179fa9e4066Sahrens do { 2180fa9e4066Sahrens if (strcmp(refstr_value(vfsp->vfs_resource), resource) == 0) { 2181fa9e4066Sahrens VFS_HOLD(vfsp); 2182fa9e4066Sahrens vfs_found = vfsp; 2183fa9e4066Sahrens break; 2184fa9e4066Sahrens } 2185fa9e4066Sahrens vfsp = vfsp->vfs_next; 2186fa9e4066Sahrens } while (vfsp != rootvfs); 2187fa9e4066Sahrens vfs_list_unlock(); 2188fa9e4066Sahrens return (vfs_found); 2189fa9e4066Sahrens } 2190fa9e4066Sahrens 2191ecd6cf80Smarks /* ARGSUSED */ 2192fa9e4066Sahrens static void 2193ecd6cf80Smarks zfs_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 2194fa9e4066Sahrens { 2195da6c28aaSamw zfs_creat_t *zct = arg; 2196da6c28aaSamw 2197de8267e0Stimh zfs_create_fs(os, cr, zct->zct_zplprops, tx); 2198da6c28aaSamw } 2199da6c28aaSamw 2200de8267e0Stimh #define ZFS_PROP_UNDEFINED ((uint64_t)-1) 2201da6c28aaSamw 2202da6c28aaSamw /* 2203de8267e0Stimh * inputs: 22040a48a24eStimh * createprops list of properties requested by creator 22050a48a24eStimh * default_zplver zpl version to use if unspecified in createprops 22060a48a24eStimh * fuids_ok fuids allowed in this version of the spa? 22070a48a24eStimh * os parent objset pointer (NULL if root fs) 2208de8267e0Stimh * 2209de8267e0Stimh * outputs: 2210de8267e0Stimh * zplprops values for the zplprops we attach to the master node object 22110a48a24eStimh * is_ci true if requested file system will be purely case-insensitive 2212da6c28aaSamw * 2213de8267e0Stimh * Determine the settings for utf8only, normalization and 2214de8267e0Stimh * casesensitivity. Specific values may have been requested by the 2215de8267e0Stimh * creator and/or we can inherit values from the parent dataset. If 2216de8267e0Stimh * the file system is of too early a vintage, a creator can not 2217de8267e0Stimh * request settings for these properties, even if the requested 2218de8267e0Stimh * setting is the default value. We don't actually want to create dsl 2219de8267e0Stimh * properties for these, so remove them from the source nvlist after 2220de8267e0Stimh * processing. 2221da6c28aaSamw */ 2222da6c28aaSamw static int 222314843421SMatthew Ahrens zfs_fill_zplprops_impl(objset_t *os, uint64_t zplver, 22240a48a24eStimh boolean_t fuids_ok, nvlist_t *createprops, nvlist_t *zplprops, 22250a48a24eStimh boolean_t *is_ci) 2226da6c28aaSamw { 2227de8267e0Stimh uint64_t sense = ZFS_PROP_UNDEFINED; 2228de8267e0Stimh uint64_t norm = ZFS_PROP_UNDEFINED; 2229de8267e0Stimh uint64_t u8 = ZFS_PROP_UNDEFINED; 2230da6c28aaSamw 2231de8267e0Stimh ASSERT(zplprops != NULL); 2232da6c28aaSamw 2233de8267e0Stimh /* 2234de8267e0Stimh * Pull out creator prop choices, if any. 2235de8267e0Stimh */ 2236de8267e0Stimh if (createprops) { 22370a48a24eStimh (void) nvlist_lookup_uint64(createprops, 22380a48a24eStimh zfs_prop_to_name(ZFS_PROP_VERSION), &zplver); 2239de8267e0Stimh (void) nvlist_lookup_uint64(createprops, 2240de8267e0Stimh zfs_prop_to_name(ZFS_PROP_NORMALIZE), &norm); 2241de8267e0Stimh (void) nvlist_remove_all(createprops, 2242de8267e0Stimh zfs_prop_to_name(ZFS_PROP_NORMALIZE)); 2243de8267e0Stimh (void) nvlist_lookup_uint64(createprops, 2244de8267e0Stimh zfs_prop_to_name(ZFS_PROP_UTF8ONLY), &u8); 2245de8267e0Stimh (void) nvlist_remove_all(createprops, 2246de8267e0Stimh zfs_prop_to_name(ZFS_PROP_UTF8ONLY)); 2247de8267e0Stimh (void) nvlist_lookup_uint64(createprops, 2248de8267e0Stimh zfs_prop_to_name(ZFS_PROP_CASE), &sense); 2249de8267e0Stimh (void) nvlist_remove_all(createprops, 2250de8267e0Stimh zfs_prop_to_name(ZFS_PROP_CASE)); 2251de8267e0Stimh } 2252da6c28aaSamw 2253c2a93d44Stimh /* 22540a48a24eStimh * If the zpl version requested is whacky or the file system 22550a48a24eStimh * or pool is version is too "young" to support normalization 22560a48a24eStimh * and the creator tried to set a value for one of the props, 22570a48a24eStimh * error out. 2258c2a93d44Stimh */ 22590a48a24eStimh if ((zplver < ZPL_VERSION_INITIAL || zplver > ZPL_VERSION) || 22600a48a24eStimh (zplver >= ZPL_VERSION_FUID && !fuids_ok) || 22610a48a24eStimh (zplver < ZPL_VERSION_NORMALIZATION && 2262de8267e0Stimh (norm != ZFS_PROP_UNDEFINED || u8 != ZFS_PROP_UNDEFINED || 22630a48a24eStimh sense != ZFS_PROP_UNDEFINED))) 2264de8267e0Stimh return (ENOTSUP); 2265c2a93d44Stimh 2266de8267e0Stimh /* 2267de8267e0Stimh * Put the version in the zplprops 2268de8267e0Stimh */ 2269de8267e0Stimh VERIFY(nvlist_add_uint64(zplprops, 2270de8267e0Stimh zfs_prop_to_name(ZFS_PROP_VERSION), zplver) == 0); 2271da6c28aaSamw 2272de8267e0Stimh if (norm == ZFS_PROP_UNDEFINED) 2273de8267e0Stimh VERIFY(zfs_get_zplprop(os, ZFS_PROP_NORMALIZE, &norm) == 0); 2274de8267e0Stimh VERIFY(nvlist_add_uint64(zplprops, 2275de8267e0Stimh zfs_prop_to_name(ZFS_PROP_NORMALIZE), norm) == 0); 2276da6c28aaSamw 2277c2a93d44Stimh /* 2278de8267e0Stimh * If we're normalizing, names must always be valid UTF-8 strings. 2279c2a93d44Stimh */ 2280de8267e0Stimh if (norm) 2281de8267e0Stimh u8 = 1; 2282de8267e0Stimh if (u8 == ZFS_PROP_UNDEFINED) 2283de8267e0Stimh VERIFY(zfs_get_zplprop(os, ZFS_PROP_UTF8ONLY, &u8) == 0); 2284de8267e0Stimh VERIFY(nvlist_add_uint64(zplprops, 2285de8267e0Stimh zfs_prop_to_name(ZFS_PROP_UTF8ONLY), u8) == 0); 2286de8267e0Stimh 2287de8267e0Stimh if (sense == ZFS_PROP_UNDEFINED) 2288de8267e0Stimh VERIFY(zfs_get_zplprop(os, ZFS_PROP_CASE, &sense) == 0); 2289de8267e0Stimh VERIFY(nvlist_add_uint64(zplprops, 2290de8267e0Stimh zfs_prop_to_name(ZFS_PROP_CASE), sense) == 0); 2291c2a93d44Stimh 2292ab04eb8eStimh if (is_ci) 2293ab04eb8eStimh *is_ci = (sense == ZFS_CASE_INSENSITIVE); 2294ab04eb8eStimh 2295da6c28aaSamw return (0); 2296fa9e4066Sahrens } 2297fa9e4066Sahrens 22980a48a24eStimh static int 22990a48a24eStimh zfs_fill_zplprops(const char *dataset, nvlist_t *createprops, 23000a48a24eStimh nvlist_t *zplprops, boolean_t *is_ci) 23010a48a24eStimh { 23020a48a24eStimh boolean_t fuids_ok = B_TRUE; 23030a48a24eStimh uint64_t zplver = ZPL_VERSION; 23040a48a24eStimh objset_t *os = NULL; 23050a48a24eStimh char parentname[MAXNAMELEN]; 23060a48a24eStimh char *cp; 23070a48a24eStimh int error; 23080a48a24eStimh 23090a48a24eStimh (void) strlcpy(parentname, dataset, sizeof (parentname)); 23100a48a24eStimh cp = strrchr(parentname, '/'); 23110a48a24eStimh ASSERT(cp != NULL); 23120a48a24eStimh cp[0] = '\0'; 23130a48a24eStimh 231414843421SMatthew Ahrens if (zfs_earlier_version(dataset, SPA_VERSION_USERSPACE)) 231514843421SMatthew Ahrens zplver = ZPL_VERSION_USERSPACE - 1; 23160a48a24eStimh if (zfs_earlier_version(dataset, SPA_VERSION_FUID)) { 23170a48a24eStimh zplver = ZPL_VERSION_FUID - 1; 23180a48a24eStimh fuids_ok = B_FALSE; 23190a48a24eStimh } 23200a48a24eStimh 23210a48a24eStimh /* 23220a48a24eStimh * Open parent object set so we can inherit zplprop values. 23230a48a24eStimh */ 2324*503ad85cSMatthew Ahrens if ((error = dmu_objset_hold(parentname, FTAG, &os)) != 0) 23250a48a24eStimh return (error); 23260a48a24eStimh 23270a48a24eStimh error = zfs_fill_zplprops_impl(os, zplver, fuids_ok, createprops, 23280a48a24eStimh zplprops, is_ci); 2329*503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 23300a48a24eStimh return (error); 23310a48a24eStimh } 23320a48a24eStimh 23330a48a24eStimh static int 23340a48a24eStimh zfs_fill_zplprops_root(uint64_t spa_vers, nvlist_t *createprops, 23350a48a24eStimh nvlist_t *zplprops, boolean_t *is_ci) 23360a48a24eStimh { 23370a48a24eStimh boolean_t fuids_ok = B_TRUE; 23380a48a24eStimh uint64_t zplver = ZPL_VERSION; 23390a48a24eStimh int error; 23400a48a24eStimh 23410a48a24eStimh if (spa_vers < SPA_VERSION_FUID) { 23420a48a24eStimh zplver = ZPL_VERSION_FUID - 1; 23430a48a24eStimh fuids_ok = B_FALSE; 23440a48a24eStimh } 23450a48a24eStimh 23460a48a24eStimh error = zfs_fill_zplprops_impl(NULL, zplver, fuids_ok, createprops, 23470a48a24eStimh zplprops, is_ci); 23480a48a24eStimh return (error); 23490a48a24eStimh } 23500a48a24eStimh 23513cb34c60Sahrens /* 23523cb34c60Sahrens * inputs: 23533cb34c60Sahrens * zc_objset_type type of objset to create (fs vs zvol) 23543cb34c60Sahrens * zc_name name of new objset 23553cb34c60Sahrens * zc_value name of snapshot to clone from (may be empty) 23563cb34c60Sahrens * zc_nvlist_src{_size} nvlist of properties to apply 23573cb34c60Sahrens * 2358de8267e0Stimh * outputs: none 23593cb34c60Sahrens */ 2360fa9e4066Sahrens static int 2361fa9e4066Sahrens zfs_ioc_create(zfs_cmd_t *zc) 2362fa9e4066Sahrens { 2363fa9e4066Sahrens objset_t *clone; 2364fa9e4066Sahrens int error = 0; 2365da6c28aaSamw zfs_creat_t zct; 2366ecd6cf80Smarks nvlist_t *nvprops = NULL; 2367ecd6cf80Smarks void (*cbfunc)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx); 2368fa9e4066Sahrens dmu_objset_type_t type = zc->zc_objset_type; 2369fa9e4066Sahrens 2370fa9e4066Sahrens switch (type) { 2371fa9e4066Sahrens 2372fa9e4066Sahrens case DMU_OST_ZFS: 2373fa9e4066Sahrens cbfunc = zfs_create_cb; 2374fa9e4066Sahrens break; 2375fa9e4066Sahrens 2376fa9e4066Sahrens case DMU_OST_ZVOL: 2377fa9e4066Sahrens cbfunc = zvol_create_cb; 2378fa9e4066Sahrens break; 2379fa9e4066Sahrens 2380fa9e4066Sahrens default: 23811d452cf5Sahrens cbfunc = NULL; 2382e7cbe64fSgw break; 2383fa9e4066Sahrens } 2384f18faf3fSek if (strchr(zc->zc_name, '@') || 2385f18faf3fSek strchr(zc->zc_name, '%')) 23861d452cf5Sahrens return (EINVAL); 2387fa9e4066Sahrens 2388e9dbad6fSeschrock if (zc->zc_nvlist_src != NULL && 2389990b4856Slling (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 2390478ed9adSEric Taylor zc->zc_iflags, &nvprops)) != 0) 2391e9dbad6fSeschrock return (error); 2392e9dbad6fSeschrock 2393de8267e0Stimh zct.zct_zplprops = NULL; 2394da6c28aaSamw zct.zct_props = nvprops; 2395da6c28aaSamw 2396e9dbad6fSeschrock if (zc->zc_value[0] != '\0') { 2397fa9e4066Sahrens /* 2398fa9e4066Sahrens * We're creating a clone of an existing snapshot. 2399fa9e4066Sahrens */ 2400e9dbad6fSeschrock zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; 2401e9dbad6fSeschrock if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0) { 2402ecd6cf80Smarks nvlist_free(nvprops); 2403fa9e4066Sahrens return (EINVAL); 2404e9dbad6fSeschrock } 2405fa9e4066Sahrens 2406*503ad85cSMatthew Ahrens error = dmu_objset_hold(zc->zc_value, FTAG, &clone); 2407e9dbad6fSeschrock if (error) { 2408ecd6cf80Smarks nvlist_free(nvprops); 2409fa9e4066Sahrens return (error); 2410e9dbad6fSeschrock } 2411ab04eb8eStimh 2412ae46e4c7SMatthew Ahrens error = dmu_objset_clone(zc->zc_name, dmu_objset_ds(clone), 0); 2413*503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 2414da6c28aaSamw if (error) { 2415da6c28aaSamw nvlist_free(nvprops); 2416da6c28aaSamw return (error); 2417da6c28aaSamw } 2418fa9e4066Sahrens } else { 2419ab04eb8eStimh boolean_t is_insensitive = B_FALSE; 2420ab04eb8eStimh 2421e9dbad6fSeschrock if (cbfunc == NULL) { 2422ecd6cf80Smarks nvlist_free(nvprops); 24231d452cf5Sahrens return (EINVAL); 2424e9dbad6fSeschrock } 24255c5460e9Seschrock 2426e9dbad6fSeschrock if (type == DMU_OST_ZVOL) { 2427e9dbad6fSeschrock uint64_t volsize, volblocksize; 2428e9dbad6fSeschrock 2429ecd6cf80Smarks if (nvprops == NULL || 2430ecd6cf80Smarks nvlist_lookup_uint64(nvprops, 2431e9dbad6fSeschrock zfs_prop_to_name(ZFS_PROP_VOLSIZE), 2432e9dbad6fSeschrock &volsize) != 0) { 2433ecd6cf80Smarks nvlist_free(nvprops); 2434e9dbad6fSeschrock return (EINVAL); 2435e9dbad6fSeschrock } 2436e9dbad6fSeschrock 2437ecd6cf80Smarks if ((error = nvlist_lookup_uint64(nvprops, 2438e9dbad6fSeschrock zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), 2439e9dbad6fSeschrock &volblocksize)) != 0 && error != ENOENT) { 2440ecd6cf80Smarks nvlist_free(nvprops); 2441e9dbad6fSeschrock return (EINVAL); 2442e9dbad6fSeschrock } 2443e9dbad6fSeschrock 2444e9dbad6fSeschrock if (error != 0) 2445e9dbad6fSeschrock volblocksize = zfs_prop_default_numeric( 2446e9dbad6fSeschrock ZFS_PROP_VOLBLOCKSIZE); 2447e9dbad6fSeschrock 2448e9dbad6fSeschrock if ((error = zvol_check_volblocksize( 2449e9dbad6fSeschrock volblocksize)) != 0 || 2450e9dbad6fSeschrock (error = zvol_check_volsize(volsize, 2451e9dbad6fSeschrock volblocksize)) != 0) { 2452ecd6cf80Smarks nvlist_free(nvprops); 24535c5460e9Seschrock return (error); 2454e9dbad6fSeschrock } 2455e7437265Sahrens } else if (type == DMU_OST_ZFS) { 2456da6c28aaSamw int error; 2457da6c28aaSamw 2458da6c28aaSamw /* 2459da6c28aaSamw * We have to have normalization and 2460da6c28aaSamw * case-folding flags correct when we do the 2461da6c28aaSamw * file system creation, so go figure them out 2462de8267e0Stimh * now. 2463da6c28aaSamw */ 2464de8267e0Stimh VERIFY(nvlist_alloc(&zct.zct_zplprops, 2465de8267e0Stimh NV_UNIQUE_NAME, KM_SLEEP) == 0); 2466de8267e0Stimh error = zfs_fill_zplprops(zc->zc_name, nvprops, 24670a48a24eStimh zct.zct_zplprops, &is_insensitive); 2468da6c28aaSamw if (error != 0) { 2469da6c28aaSamw nvlist_free(nvprops); 2470de8267e0Stimh nvlist_free(zct.zct_zplprops); 2471da6c28aaSamw return (error); 2472da6c28aaSamw } 2473da6c28aaSamw } 2474ae46e4c7SMatthew Ahrens error = dmu_objset_create(zc->zc_name, type, 2475ab04eb8eStimh is_insensitive ? DS_FLAG_CI_DATASET : 0, cbfunc, &zct); 2476de8267e0Stimh nvlist_free(zct.zct_zplprops); 2477fa9e4066Sahrens } 2478e9dbad6fSeschrock 2479e9dbad6fSeschrock /* 2480e9dbad6fSeschrock * It would be nice to do this atomically. 2481e9dbad6fSeschrock */ 2482e9dbad6fSeschrock if (error == 0) { 248391ebeef5Sahrens if ((error = zfs_set_prop_nvlist(zc->zc_name, nvprops)) != 0) 2484842727c2SChris Kirby (void) dmu_objset_destroy(zc->zc_name, B_FALSE); 2485e9dbad6fSeschrock } 2486ecd6cf80Smarks nvlist_free(nvprops); 2487fa9e4066Sahrens return (error); 2488fa9e4066Sahrens } 2489fa9e4066Sahrens 24903cb34c60Sahrens /* 24913cb34c60Sahrens * inputs: 24923cb34c60Sahrens * zc_name name of filesystem 24933cb34c60Sahrens * zc_value short name of snapshot 24943cb34c60Sahrens * zc_cookie recursive flag 249514843421SMatthew Ahrens * zc_nvlist_src[_size] property list 24963cb34c60Sahrens * 24973cb34c60Sahrens * outputs: none 24983cb34c60Sahrens */ 2499fa9e4066Sahrens static int 25001d452cf5Sahrens zfs_ioc_snapshot(zfs_cmd_t *zc) 2501fa9e4066Sahrens { 2502bb0ade09Sahrens nvlist_t *nvprops = NULL; 2503bb0ade09Sahrens int error; 2504bb0ade09Sahrens boolean_t recursive = zc->zc_cookie; 2505bb0ade09Sahrens 2506e9dbad6fSeschrock if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) 25071d452cf5Sahrens return (EINVAL); 2508bb0ade09Sahrens 2509bb0ade09Sahrens if (zc->zc_nvlist_src != NULL && 2510bb0ade09Sahrens (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 2511478ed9adSEric Taylor zc->zc_iflags, &nvprops)) != 0) 2512bb0ade09Sahrens return (error); 2513bb0ade09Sahrens 2514ea2f5b9eSMatthew Ahrens error = zfs_check_userprops(zc->zc_name, nvprops); 2515ea2f5b9eSMatthew Ahrens if (error) 2516ea2f5b9eSMatthew Ahrens goto out; 2517bb0ade09Sahrens 2518ea2f5b9eSMatthew Ahrens if (nvprops != NULL && nvlist_next_nvpair(nvprops, NULL) != NULL && 2519ea2f5b9eSMatthew Ahrens zfs_earlier_version(zc->zc_name, SPA_VERSION_SNAP_PROPS)) { 2520ea2f5b9eSMatthew Ahrens error = ENOTSUP; 2521ea2f5b9eSMatthew Ahrens goto out; 2522bb0ade09Sahrens } 2523ea2f5b9eSMatthew Ahrens 2524ea2f5b9eSMatthew Ahrens error = dmu_objset_snapshot(zc->zc_name, zc->zc_value, 2525ea2f5b9eSMatthew Ahrens nvprops, recursive); 2526ea2f5b9eSMatthew Ahrens 2527ea2f5b9eSMatthew Ahrens out: 2528bb0ade09Sahrens nvlist_free(nvprops); 2529bb0ade09Sahrens return (error); 25301d452cf5Sahrens } 2531fa9e4066Sahrens 2532cdf5b4caSmmusante int 25331d452cf5Sahrens zfs_unmount_snap(char *name, void *arg) 25341d452cf5Sahrens { 25350b69c2f0Sahrens vfs_t *vfsp = NULL; 25361d452cf5Sahrens 2537745cd3c5Smaybee if (arg) { 2538745cd3c5Smaybee char *snapname = arg; 2539745cd3c5Smaybee int len = strlen(name) + strlen(snapname) + 2; 2540745cd3c5Smaybee char *buf = kmem_alloc(len, KM_SLEEP); 25411d452cf5Sahrens 2542745cd3c5Smaybee (void) strcpy(buf, name); 2543745cd3c5Smaybee (void) strcat(buf, "@"); 2544745cd3c5Smaybee (void) strcat(buf, snapname); 2545745cd3c5Smaybee vfsp = zfs_get_vfs(buf); 2546745cd3c5Smaybee kmem_free(buf, len); 25470b69c2f0Sahrens } else if (strchr(name, '@')) { 25481d452cf5Sahrens vfsp = zfs_get_vfs(name); 25491d452cf5Sahrens } 25501d452cf5Sahrens 25511d452cf5Sahrens if (vfsp) { 2552fa9e4066Sahrens /* 25531d452cf5Sahrens * Always force the unmount for snapshots. 2554fa9e4066Sahrens */ 25551d452cf5Sahrens int flag = MS_FORCE; 25561d452cf5Sahrens int err; 25571d452cf5Sahrens 25581d452cf5Sahrens if ((err = vn_vfswlock(vfsp->vfs_vnodecovered)) != 0) { 2559fa9e4066Sahrens VFS_RELE(vfsp); 25601d452cf5Sahrens return (err); 2561fa9e4066Sahrens } 25621d452cf5Sahrens VFS_RELE(vfsp); 25631d452cf5Sahrens if ((err = dounmount(vfsp, flag, kcred)) != 0) 25641d452cf5Sahrens return (err); 25651d452cf5Sahrens } 25661d452cf5Sahrens return (0); 25671d452cf5Sahrens } 25681d452cf5Sahrens 25693cb34c60Sahrens /* 25703cb34c60Sahrens * inputs: 2571842727c2SChris Kirby * zc_name name of filesystem 2572842727c2SChris Kirby * zc_value short name of snapshot 2573842727c2SChris Kirby * zc_defer_destroy mark for deferred destroy 25743cb34c60Sahrens * 25753cb34c60Sahrens * outputs: none 25763cb34c60Sahrens */ 25771d452cf5Sahrens static int 25781d452cf5Sahrens zfs_ioc_destroy_snaps(zfs_cmd_t *zc) 25791d452cf5Sahrens { 25801d452cf5Sahrens int err; 25811d452cf5Sahrens 2582e9dbad6fSeschrock if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) 25831d452cf5Sahrens return (EINVAL); 25841d452cf5Sahrens err = dmu_objset_find(zc->zc_name, 2585e9dbad6fSeschrock zfs_unmount_snap, zc->zc_value, DS_FIND_CHILDREN); 25861d452cf5Sahrens if (err) 25871d452cf5Sahrens return (err); 2588842727c2SChris Kirby return (dmu_snapshots_destroy(zc->zc_name, zc->zc_value, 2589842727c2SChris Kirby zc->zc_defer_destroy)); 25901d452cf5Sahrens } 25911d452cf5Sahrens 25923cb34c60Sahrens /* 25933cb34c60Sahrens * inputs: 25943cb34c60Sahrens * zc_name name of dataset to destroy 25953cb34c60Sahrens * zc_objset_type type of objset 2596842727c2SChris Kirby * zc_defer_destroy mark for deferred destroy 25973cb34c60Sahrens * 25983cb34c60Sahrens * outputs: none 25993cb34c60Sahrens */ 26001d452cf5Sahrens static int 26011d452cf5Sahrens zfs_ioc_destroy(zfs_cmd_t *zc) 26021d452cf5Sahrens { 26031d452cf5Sahrens if (strchr(zc->zc_name, '@') && zc->zc_objset_type == DMU_OST_ZFS) { 26041d452cf5Sahrens int err = zfs_unmount_snap(zc->zc_name, NULL); 26051d452cf5Sahrens if (err) 26061d452cf5Sahrens return (err); 2607fa9e4066Sahrens } 2608fa9e4066Sahrens 2609842727c2SChris Kirby return (dmu_objset_destroy(zc->zc_name, zc->zc_defer_destroy)); 2610fa9e4066Sahrens } 2611fa9e4066Sahrens 26123cb34c60Sahrens /* 26133cb34c60Sahrens * inputs: 26144ccbb6e7Sahrens * zc_name name of dataset to rollback (to most recent snapshot) 26153cb34c60Sahrens * 26163cb34c60Sahrens * outputs: none 26173cb34c60Sahrens */ 2618fa9e4066Sahrens static int 2619fa9e4066Sahrens zfs_ioc_rollback(zfs_cmd_t *zc) 2620fa9e4066Sahrens { 2621ae46e4c7SMatthew Ahrens dsl_dataset_t *ds, *clone; 26224ccbb6e7Sahrens int error; 2623ae46e4c7SMatthew Ahrens zfsvfs_t *zfsvfs; 2624ae46e4c7SMatthew Ahrens char *clone_name; 2625ae46e4c7SMatthew Ahrens 2626ae46e4c7SMatthew Ahrens error = dsl_dataset_hold(zc->zc_name, FTAG, &ds); 2627ae46e4c7SMatthew Ahrens if (error) 2628ae46e4c7SMatthew Ahrens return (error); 2629ae46e4c7SMatthew Ahrens 2630ae46e4c7SMatthew Ahrens /* must not be a snapshot */ 2631ae46e4c7SMatthew Ahrens if (dsl_dataset_is_snapshot(ds)) { 2632ae46e4c7SMatthew Ahrens dsl_dataset_rele(ds, FTAG); 2633ae46e4c7SMatthew Ahrens return (EINVAL); 2634ae46e4c7SMatthew Ahrens } 2635ae46e4c7SMatthew Ahrens 2636ae46e4c7SMatthew Ahrens /* must have a most recent snapshot */ 2637ae46e4c7SMatthew Ahrens if (ds->ds_phys->ds_prev_snap_txg < TXG_INITIAL) { 2638ae46e4c7SMatthew Ahrens dsl_dataset_rele(ds, FTAG); 2639ae46e4c7SMatthew Ahrens return (EINVAL); 2640ae46e4c7SMatthew Ahrens } 26414ccbb6e7Sahrens 26424ccbb6e7Sahrens /* 2643ae46e4c7SMatthew Ahrens * Create clone of most recent snapshot. 26444ccbb6e7Sahrens */ 2645ae46e4c7SMatthew Ahrens clone_name = kmem_asprintf("%s/%%rollback", zc->zc_name); 2646ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone_name, ds->ds_prev, DS_FLAG_INCONSISTENT); 26474ccbb6e7Sahrens if (error) 2648ae46e4c7SMatthew Ahrens goto out; 26494ccbb6e7Sahrens 2650*503ad85cSMatthew Ahrens error = dsl_dataset_own(clone_name, B_TRUE, FTAG, &clone); 2651ae46e4c7SMatthew Ahrens if (error) 2652ae46e4c7SMatthew Ahrens goto out; 2653ae46e4c7SMatthew Ahrens 2654ae46e4c7SMatthew Ahrens /* 2655ae46e4c7SMatthew Ahrens * Do clone swap. 2656ae46e4c7SMatthew Ahrens */ 265714843421SMatthew Ahrens if (getzfsvfs(zc->zc_name, &zfsvfs) == 0) { 2658*503ad85cSMatthew Ahrens error = zfs_suspend_fs(zfsvfs); 265947f263f4Sek if (error == 0) { 266047f263f4Sek int resume_err; 26614ccbb6e7Sahrens 2662ae46e4c7SMatthew Ahrens if (dsl_dataset_tryown(ds, B_FALSE, FTAG)) { 2663ae46e4c7SMatthew Ahrens error = dsl_dataset_clone_swap(clone, ds, 2664ae46e4c7SMatthew Ahrens B_TRUE); 2665ae46e4c7SMatthew Ahrens dsl_dataset_disown(ds, FTAG); 2666ae46e4c7SMatthew Ahrens ds = NULL; 2667ae46e4c7SMatthew Ahrens } else { 2668ae46e4c7SMatthew Ahrens error = EBUSY; 2669ae46e4c7SMatthew Ahrens } 2670*503ad85cSMatthew Ahrens resume_err = zfs_resume_fs(zfsvfs, zc->zc_name); 267147f263f4Sek error = error ? error : resume_err; 267247f263f4Sek } 26734ccbb6e7Sahrens VFS_RELE(zfsvfs->z_vfs); 26744ccbb6e7Sahrens } else { 2675ae46e4c7SMatthew Ahrens if (dsl_dataset_tryown(ds, B_FALSE, FTAG)) { 2676ae46e4c7SMatthew Ahrens error = dsl_dataset_clone_swap(clone, ds, B_TRUE); 2677ae46e4c7SMatthew Ahrens dsl_dataset_disown(ds, FTAG); 2678ae46e4c7SMatthew Ahrens ds = NULL; 2679ae46e4c7SMatthew Ahrens } else { 2680ae46e4c7SMatthew Ahrens error = EBUSY; 2681ae46e4c7SMatthew Ahrens } 26824ccbb6e7Sahrens } 26834ccbb6e7Sahrens 2684ae46e4c7SMatthew Ahrens /* 2685ae46e4c7SMatthew Ahrens * Destroy clone (which also closes it). 2686ae46e4c7SMatthew Ahrens */ 2687ae46e4c7SMatthew Ahrens (void) dsl_dataset_destroy(clone, FTAG, B_FALSE); 2688ae46e4c7SMatthew Ahrens 2689ae46e4c7SMatthew Ahrens out: 2690ae46e4c7SMatthew Ahrens strfree(clone_name); 2691ae46e4c7SMatthew Ahrens if (ds) 2692ae46e4c7SMatthew Ahrens dsl_dataset_rele(ds, FTAG); 26934ccbb6e7Sahrens return (error); 2694fa9e4066Sahrens } 2695fa9e4066Sahrens 26963cb34c60Sahrens /* 26973cb34c60Sahrens * inputs: 26983cb34c60Sahrens * zc_name old name of dataset 26993cb34c60Sahrens * zc_value new name of dataset 27003cb34c60Sahrens * zc_cookie recursive flag (only valid for snapshots) 27013cb34c60Sahrens * 27023cb34c60Sahrens * outputs: none 27033cb34c60Sahrens */ 2704fa9e4066Sahrens static int 2705fa9e4066Sahrens zfs_ioc_rename(zfs_cmd_t *zc) 2706fa9e4066Sahrens { 27077f1f55eaSvb boolean_t recursive = zc->zc_cookie & 1; 2708cdf5b4caSmmusante 2709e9dbad6fSeschrock zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; 2710f18faf3fSek if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || 2711f18faf3fSek strchr(zc->zc_value, '%')) 2712fa9e4066Sahrens return (EINVAL); 2713fa9e4066Sahrens 2714cdf5b4caSmmusante /* 2715cdf5b4caSmmusante * Unmount snapshot unless we're doing a recursive rename, 2716cdf5b4caSmmusante * in which case the dataset code figures out which snapshots 2717cdf5b4caSmmusante * to unmount. 2718cdf5b4caSmmusante */ 2719cdf5b4caSmmusante if (!recursive && strchr(zc->zc_name, '@') != NULL && 2720fa9e4066Sahrens zc->zc_objset_type == DMU_OST_ZFS) { 27211d452cf5Sahrens int err = zfs_unmount_snap(zc->zc_name, NULL); 27221d452cf5Sahrens if (err) 27231d452cf5Sahrens return (err); 2724fa9e4066Sahrens } 2725cdf5b4caSmmusante return (dmu_objset_rename(zc->zc_name, zc->zc_value, recursive)); 2726fa9e4066Sahrens } 2727fa9e4066Sahrens 2728745cd3c5Smaybee static void 27296e77af0aSDavid Pacheco clear_props(char *dataset, nvlist_t *props, nvlist_t *newprops) 2730745cd3c5Smaybee { 2731745cd3c5Smaybee zfs_cmd_t *zc; 2732745cd3c5Smaybee nvpair_t *prop; 2733745cd3c5Smaybee 2734745cd3c5Smaybee if (props == NULL) 2735745cd3c5Smaybee return; 2736745cd3c5Smaybee zc = kmem_alloc(sizeof (zfs_cmd_t), KM_SLEEP); 2737745cd3c5Smaybee (void) strcpy(zc->zc_name, dataset); 2738745cd3c5Smaybee for (prop = nvlist_next_nvpair(props, NULL); prop; 2739745cd3c5Smaybee prop = nvlist_next_nvpair(props, prop)) { 27406e77af0aSDavid Pacheco if (newprops != NULL && 27416e77af0aSDavid Pacheco nvlist_exists(newprops, nvpair_name(prop))) 27426e77af0aSDavid Pacheco continue; 2743745cd3c5Smaybee (void) strcpy(zc->zc_value, nvpair_name(prop)); 2744745cd3c5Smaybee if (zfs_secpolicy_inherit(zc, CRED()) == 0) 2745745cd3c5Smaybee (void) zfs_ioc_inherit_prop(zc); 2746745cd3c5Smaybee } 2747745cd3c5Smaybee kmem_free(zc, sizeof (zfs_cmd_t)); 2748745cd3c5Smaybee } 2749745cd3c5Smaybee 27503cb34c60Sahrens /* 27513cb34c60Sahrens * inputs: 27523cb34c60Sahrens * zc_name name of containing filesystem 27533cb34c60Sahrens * zc_nvlist_src{_size} nvlist of properties to apply 27543cb34c60Sahrens * zc_value name of snapshot to create 27553cb34c60Sahrens * zc_string name of clone origin (if DRR_FLAG_CLONE) 27563cb34c60Sahrens * zc_cookie file descriptor to recv from 27573cb34c60Sahrens * zc_begin_record the BEGIN record of the stream (not byteswapped) 27583cb34c60Sahrens * zc_guid force flag 27593cb34c60Sahrens * 27603cb34c60Sahrens * outputs: 27613cb34c60Sahrens * zc_cookie number of bytes read 27623cb34c60Sahrens */ 2763fa9e4066Sahrens static int 27643cb34c60Sahrens zfs_ioc_recv(zfs_cmd_t *zc) 2765fa9e4066Sahrens { 2766fa9e4066Sahrens file_t *fp; 2767f18faf3fSek objset_t *os; 27683cb34c60Sahrens dmu_recv_cookie_t drc; 2769f18faf3fSek boolean_t force = (boolean_t)zc->zc_guid; 2770f18faf3fSek int error, fd; 27713cb34c60Sahrens offset_t off; 27723cb34c60Sahrens nvlist_t *props = NULL; 2773745cd3c5Smaybee nvlist_t *origprops = NULL; 27743cb34c60Sahrens objset_t *origin = NULL; 27753cb34c60Sahrens char *tosnap; 27763cb34c60Sahrens char tofs[ZFS_MAXNAMELEN]; 2777fa9e4066Sahrens 27783ccfa83cSahrens if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || 2779f18faf3fSek strchr(zc->zc_value, '@') == NULL || 2780f18faf3fSek strchr(zc->zc_value, '%')) 27813ccfa83cSahrens return (EINVAL); 27823ccfa83cSahrens 27833cb34c60Sahrens (void) strcpy(tofs, zc->zc_value); 27843cb34c60Sahrens tosnap = strchr(tofs, '@'); 27853cb34c60Sahrens *tosnap = '\0'; 27863cb34c60Sahrens tosnap++; 27873cb34c60Sahrens 27883cb34c60Sahrens if (zc->zc_nvlist_src != NULL && 27893cb34c60Sahrens (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 2790478ed9adSEric Taylor zc->zc_iflags, &props)) != 0) 27913cb34c60Sahrens return (error); 27923cb34c60Sahrens 2793fa9e4066Sahrens fd = zc->zc_cookie; 2794fa9e4066Sahrens fp = getf(fd); 27953cb34c60Sahrens if (fp == NULL) { 27963cb34c60Sahrens nvlist_free(props); 2797fa9e4066Sahrens return (EBADF); 27983cb34c60Sahrens } 2799f18faf3fSek 2800*503ad85cSMatthew Ahrens if (props && dmu_objset_hold(tofs, FTAG, &os) == 0) { 2801745cd3c5Smaybee /* 2802745cd3c5Smaybee * If new properties are supplied, they are to completely 2803745cd3c5Smaybee * replace the existing ones, so stash away the existing ones. 2804745cd3c5Smaybee */ 2805*503ad85cSMatthew Ahrens (void) dsl_prop_get_all(os, &origprops, B_TRUE); 2806745cd3c5Smaybee 2807*503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 2808f18faf3fSek } 2809f18faf3fSek 28103cb34c60Sahrens if (zc->zc_string[0]) { 2811*503ad85cSMatthew Ahrens error = dmu_objset_hold(zc->zc_string, FTAG, &origin); 2812745cd3c5Smaybee if (error) 2813745cd3c5Smaybee goto out; 28143cb34c60Sahrens } 28153cb34c60Sahrens 28163cb34c60Sahrens error = dmu_recv_begin(tofs, tosnap, &zc->zc_begin_record, 2817f4b94bdeSMatthew Ahrens force, origin, &drc); 28183cb34c60Sahrens if (origin) 2819*503ad85cSMatthew Ahrens dmu_objset_rele(origin, FTAG); 2820745cd3c5Smaybee if (error) 2821745cd3c5Smaybee goto out; 2822f18faf3fSek 2823f18faf3fSek /* 2824745cd3c5Smaybee * Reset properties. We do this before we receive the stream 2825745cd3c5Smaybee * so that the properties are applied to the new data. 2826f18faf3fSek */ 28273cb34c60Sahrens if (props) { 28286e77af0aSDavid Pacheco clear_props(tofs, origprops, props); 2829745cd3c5Smaybee /* 2830745cd3c5Smaybee * XXX - Note, this is all-or-nothing; should be best-effort. 2831745cd3c5Smaybee */ 2832745cd3c5Smaybee (void) zfs_set_prop_nvlist(tofs, props); 28333cb34c60Sahrens } 28343cb34c60Sahrens 28353cb34c60Sahrens off = fp->f_offset; 28363cb34c60Sahrens error = dmu_recv_stream(&drc, fp->f_vnode, &off); 2837a2eea2e1Sahrens 2838f4b94bdeSMatthew Ahrens if (error == 0) { 2839f4b94bdeSMatthew Ahrens zfsvfs_t *zfsvfs = NULL; 2840745cd3c5Smaybee 2841f4b94bdeSMatthew Ahrens if (getzfsvfs(tofs, &zfsvfs) == 0) { 2842f4b94bdeSMatthew Ahrens /* online recv */ 2843f4b94bdeSMatthew Ahrens int end_err; 2844745cd3c5Smaybee 2845*503ad85cSMatthew Ahrens error = zfs_suspend_fs(zfsvfs); 2846f4b94bdeSMatthew Ahrens /* 2847f4b94bdeSMatthew Ahrens * If the suspend fails, then the recv_end will 2848f4b94bdeSMatthew Ahrens * likely also fail, and clean up after itself. 2849f4b94bdeSMatthew Ahrens */ 2850f4b94bdeSMatthew Ahrens end_err = dmu_recv_end(&drc); 2851f4b94bdeSMatthew Ahrens if (error == 0) { 2852f4b94bdeSMatthew Ahrens int resume_err = 2853*503ad85cSMatthew Ahrens zfs_resume_fs(zfsvfs, tofs); 2854f4b94bdeSMatthew Ahrens error = error ? error : resume_err; 2855f4b94bdeSMatthew Ahrens } 2856f4b94bdeSMatthew Ahrens error = error ? error : end_err; 2857f4b94bdeSMatthew Ahrens VFS_RELE(zfsvfs->z_vfs); 2858745cd3c5Smaybee } else { 2859f4b94bdeSMatthew Ahrens error = dmu_recv_end(&drc); 28603cb34c60Sahrens } 286147f263f4Sek } 28623cb34c60Sahrens 28633cb34c60Sahrens zc->zc_cookie = off - fp->f_offset; 28643cb34c60Sahrens if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) 28653cb34c60Sahrens fp->f_offset = off; 2866a2eea2e1Sahrens 2867745cd3c5Smaybee /* 2868745cd3c5Smaybee * On error, restore the original props. 2869745cd3c5Smaybee */ 2870745cd3c5Smaybee if (error && props) { 28716e77af0aSDavid Pacheco clear_props(tofs, props, NULL); 2872745cd3c5Smaybee (void) zfs_set_prop_nvlist(tofs, origprops); 2873745cd3c5Smaybee } 2874745cd3c5Smaybee out: 2875745cd3c5Smaybee nvlist_free(props); 2876745cd3c5Smaybee nvlist_free(origprops); 2877fa9e4066Sahrens releasef(fd); 2878fa9e4066Sahrens return (error); 2879fa9e4066Sahrens } 2880fa9e4066Sahrens 28813cb34c60Sahrens /* 28823cb34c60Sahrens * inputs: 28833cb34c60Sahrens * zc_name name of snapshot to send 28843cb34c60Sahrens * zc_value short name of incremental fromsnap (may be empty) 28853cb34c60Sahrens * zc_cookie file descriptor to send stream to 28863cb34c60Sahrens * zc_obj fromorigin flag (mutually exclusive with zc_value) 28873cb34c60Sahrens * 28883cb34c60Sahrens * outputs: none 28893cb34c60Sahrens */ 2890fa9e4066Sahrens static int 28913cb34c60Sahrens zfs_ioc_send(zfs_cmd_t *zc) 2892fa9e4066Sahrens { 2893fa9e4066Sahrens objset_t *fromsnap = NULL; 2894fa9e4066Sahrens objset_t *tosnap; 2895fa9e4066Sahrens file_t *fp; 2896fa9e4066Sahrens int error; 28973cb34c60Sahrens offset_t off; 2898fa9e4066Sahrens 2899*503ad85cSMatthew Ahrens error = dmu_objset_hold(zc->zc_name, FTAG, &tosnap); 2900fa9e4066Sahrens if (error) 2901fa9e4066Sahrens return (error); 2902fa9e4066Sahrens 2903e9dbad6fSeschrock if (zc->zc_value[0] != '\0') { 29046a0f0066SEric Taylor char *buf; 2905a2eea2e1Sahrens char *cp; 2906a2eea2e1Sahrens 29076a0f0066SEric Taylor buf = kmem_alloc(MAXPATHLEN, KM_SLEEP); 29086a0f0066SEric Taylor (void) strncpy(buf, zc->zc_name, MAXPATHLEN); 2909a2eea2e1Sahrens cp = strchr(buf, '@'); 2910a2eea2e1Sahrens if (cp) 2911a2eea2e1Sahrens *(cp+1) = 0; 29126a0f0066SEric Taylor (void) strncat(buf, zc->zc_value, MAXPATHLEN); 2913*503ad85cSMatthew Ahrens error = dmu_objset_hold(buf, FTAG, &fromsnap); 29146a0f0066SEric Taylor kmem_free(buf, MAXPATHLEN); 2915fa9e4066Sahrens if (error) { 2916*503ad85cSMatthew Ahrens dmu_objset_rele(tosnap, FTAG); 2917fa9e4066Sahrens return (error); 2918fa9e4066Sahrens } 2919fa9e4066Sahrens } 2920fa9e4066Sahrens 2921fa9e4066Sahrens fp = getf(zc->zc_cookie); 2922fa9e4066Sahrens if (fp == NULL) { 2923*503ad85cSMatthew Ahrens dmu_objset_rele(tosnap, FTAG); 2924fa9e4066Sahrens if (fromsnap) 2925*503ad85cSMatthew Ahrens dmu_objset_rele(fromsnap, FTAG); 2926fa9e4066Sahrens return (EBADF); 2927fa9e4066Sahrens } 2928fa9e4066Sahrens 29293cb34c60Sahrens off = fp->f_offset; 29303cb34c60Sahrens error = dmu_sendbackup(tosnap, fromsnap, zc->zc_obj, fp->f_vnode, &off); 2931fa9e4066Sahrens 29323cb34c60Sahrens if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) 29333cb34c60Sahrens fp->f_offset = off; 2934fa9e4066Sahrens releasef(zc->zc_cookie); 2935fa9e4066Sahrens if (fromsnap) 2936*503ad85cSMatthew Ahrens dmu_objset_rele(fromsnap, FTAG); 2937*503ad85cSMatthew Ahrens dmu_objset_rele(tosnap, FTAG); 2938fa9e4066Sahrens return (error); 2939fa9e4066Sahrens } 2940fa9e4066Sahrens 2941ea8dc4b6Seschrock static int 2942ea8dc4b6Seschrock zfs_ioc_inject_fault(zfs_cmd_t *zc) 2943ea8dc4b6Seschrock { 2944ea8dc4b6Seschrock int id, error; 2945ea8dc4b6Seschrock 2946ea8dc4b6Seschrock error = zio_inject_fault(zc->zc_name, (int)zc->zc_guid, &id, 2947ea8dc4b6Seschrock &zc->zc_inject_record); 2948ea8dc4b6Seschrock 2949ea8dc4b6Seschrock if (error == 0) 2950ea8dc4b6Seschrock zc->zc_guid = (uint64_t)id; 2951ea8dc4b6Seschrock 2952ea8dc4b6Seschrock return (error); 2953ea8dc4b6Seschrock } 2954ea8dc4b6Seschrock 2955ea8dc4b6Seschrock static int 2956ea8dc4b6Seschrock zfs_ioc_clear_fault(zfs_cmd_t *zc) 2957ea8dc4b6Seschrock { 2958ea8dc4b6Seschrock return (zio_clear_fault((int)zc->zc_guid)); 2959ea8dc4b6Seschrock } 2960ea8dc4b6Seschrock 2961ea8dc4b6Seschrock static int 2962ea8dc4b6Seschrock zfs_ioc_inject_list_next(zfs_cmd_t *zc) 2963ea8dc4b6Seschrock { 2964ea8dc4b6Seschrock int id = (int)zc->zc_guid; 2965ea8dc4b6Seschrock int error; 2966ea8dc4b6Seschrock 2967ea8dc4b6Seschrock error = zio_inject_list_next(&id, zc->zc_name, sizeof (zc->zc_name), 2968ea8dc4b6Seschrock &zc->zc_inject_record); 2969ea8dc4b6Seschrock 2970ea8dc4b6Seschrock zc->zc_guid = id; 2971ea8dc4b6Seschrock 2972ea8dc4b6Seschrock return (error); 2973ea8dc4b6Seschrock } 2974ea8dc4b6Seschrock 2975ea8dc4b6Seschrock static int 2976ea8dc4b6Seschrock zfs_ioc_error_log(zfs_cmd_t *zc) 2977ea8dc4b6Seschrock { 2978ea8dc4b6Seschrock spa_t *spa; 2979ea8dc4b6Seschrock int error; 2980e9dbad6fSeschrock size_t count = (size_t)zc->zc_nvlist_dst_size; 2981ea8dc4b6Seschrock 2982ea8dc4b6Seschrock if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 2983ea8dc4b6Seschrock return (error); 2984ea8dc4b6Seschrock 2985e9dbad6fSeschrock error = spa_get_errlog(spa, (void *)(uintptr_t)zc->zc_nvlist_dst, 2986ea8dc4b6Seschrock &count); 2987ea8dc4b6Seschrock if (error == 0) 2988e9dbad6fSeschrock zc->zc_nvlist_dst_size = count; 2989ea8dc4b6Seschrock else 2990e9dbad6fSeschrock zc->zc_nvlist_dst_size = spa_get_errlog_size(spa); 2991ea8dc4b6Seschrock 2992ea8dc4b6Seschrock spa_close(spa, FTAG); 2993ea8dc4b6Seschrock 2994ea8dc4b6Seschrock return (error); 2995ea8dc4b6Seschrock } 2996ea8dc4b6Seschrock 2997ea8dc4b6Seschrock static int 2998ea8dc4b6Seschrock zfs_ioc_clear(zfs_cmd_t *zc) 2999ea8dc4b6Seschrock { 3000ea8dc4b6Seschrock spa_t *spa; 3001ea8dc4b6Seschrock vdev_t *vd; 3002bb8b5132Sek int error; 3003ea8dc4b6Seschrock 3004b87f3af3Sperrin /* 3005b87f3af3Sperrin * On zpool clear we also fix up missing slogs 3006b87f3af3Sperrin */ 3007b87f3af3Sperrin mutex_enter(&spa_namespace_lock); 3008b87f3af3Sperrin spa = spa_lookup(zc->zc_name); 3009b87f3af3Sperrin if (spa == NULL) { 3010b87f3af3Sperrin mutex_exit(&spa_namespace_lock); 3011b87f3af3Sperrin return (EIO); 3012b87f3af3Sperrin } 3013b87f3af3Sperrin if (spa->spa_log_state == SPA_LOG_MISSING) { 3014b87f3af3Sperrin /* we need to let spa_open/spa_load clear the chains */ 3015b87f3af3Sperrin spa->spa_log_state = SPA_LOG_CLEAR; 3016b87f3af3Sperrin } 3017b87f3af3Sperrin mutex_exit(&spa_namespace_lock); 3018b87f3af3Sperrin 3019ea8dc4b6Seschrock if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 3020ea8dc4b6Seschrock return (error); 3021ea8dc4b6Seschrock 3022e14bb325SJeff Bonwick spa_vdev_state_enter(spa); 3023ea8dc4b6Seschrock 3024e9dbad6fSeschrock if (zc->zc_guid == 0) { 3025ea8dc4b6Seschrock vd = NULL; 3026c5904d13Seschrock } else { 3027c5904d13Seschrock vd = spa_lookup_by_guid(spa, zc->zc_guid, B_TRUE); 3028fa94a07fSbrendan if (vd == NULL) { 3029e14bb325SJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, ENODEV); 3030fa94a07fSbrendan spa_close(spa, FTAG); 3031fa94a07fSbrendan return (ENODEV); 3032fa94a07fSbrendan } 3033ea8dc4b6Seschrock } 3034ea8dc4b6Seschrock 3035e14bb325SJeff Bonwick vdev_clear(spa, vd); 3036e14bb325SJeff Bonwick 3037e14bb325SJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 3038ea8dc4b6Seschrock 3039e14bb325SJeff Bonwick /* 3040e14bb325SJeff Bonwick * Resume any suspended I/Os. 3041e14bb325SJeff Bonwick */ 304254d692b7SGeorge Wilson if (zio_resume(spa) != 0) 304354d692b7SGeorge Wilson error = EIO; 3044ea8dc4b6Seschrock 3045ea8dc4b6Seschrock spa_close(spa, FTAG); 3046ea8dc4b6Seschrock 304754d692b7SGeorge Wilson return (error); 3048ea8dc4b6Seschrock } 3049ea8dc4b6Seschrock 30503cb34c60Sahrens /* 30513cb34c60Sahrens * inputs: 30523cb34c60Sahrens * zc_name name of filesystem 30533cb34c60Sahrens * zc_value name of origin snapshot 30543cb34c60Sahrens * 30553cb34c60Sahrens * outputs: none 30563cb34c60Sahrens */ 305799653d4eSeschrock static int 305899653d4eSeschrock zfs_ioc_promote(zfs_cmd_t *zc) 305999653d4eSeschrock { 30600b69c2f0Sahrens char *cp; 30610b69c2f0Sahrens 30620b69c2f0Sahrens /* 30630b69c2f0Sahrens * We don't need to unmount *all* the origin fs's snapshots, but 30640b69c2f0Sahrens * it's easier. 30650b69c2f0Sahrens */ 3066e9dbad6fSeschrock cp = strchr(zc->zc_value, '@'); 30670b69c2f0Sahrens if (cp) 30680b69c2f0Sahrens *cp = '\0'; 3069e9dbad6fSeschrock (void) dmu_objset_find(zc->zc_value, 30700b69c2f0Sahrens zfs_unmount_snap, NULL, DS_FIND_SNAPSHOTS); 307199653d4eSeschrock return (dsl_dataset_promote(zc->zc_name)); 307299653d4eSeschrock } 307399653d4eSeschrock 307414843421SMatthew Ahrens /* 307514843421SMatthew Ahrens * Retrieve a single {user|group}{used|quota}@... property. 307614843421SMatthew Ahrens * 307714843421SMatthew Ahrens * inputs: 307814843421SMatthew Ahrens * zc_name name of filesystem 307914843421SMatthew Ahrens * zc_objset_type zfs_userquota_prop_t 308014843421SMatthew Ahrens * zc_value domain name (eg. "S-1-234-567-89") 308114843421SMatthew Ahrens * zc_guid RID/UID/GID 308214843421SMatthew Ahrens * 308314843421SMatthew Ahrens * outputs: 308414843421SMatthew Ahrens * zc_cookie property value 308514843421SMatthew Ahrens */ 308614843421SMatthew Ahrens static int 308714843421SMatthew Ahrens zfs_ioc_userspace_one(zfs_cmd_t *zc) 308814843421SMatthew Ahrens { 308914843421SMatthew Ahrens zfsvfs_t *zfsvfs; 309014843421SMatthew Ahrens int error; 309114843421SMatthew Ahrens 309214843421SMatthew Ahrens if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) 309314843421SMatthew Ahrens return (EINVAL); 309414843421SMatthew Ahrens 3095*503ad85cSMatthew Ahrens error = zfsvfs_hold(zc->zc_name, FTAG, &zfsvfs); 309614843421SMatthew Ahrens if (error) 309714843421SMatthew Ahrens return (error); 309814843421SMatthew Ahrens 309914843421SMatthew Ahrens error = zfs_userspace_one(zfsvfs, 310014843421SMatthew Ahrens zc->zc_objset_type, zc->zc_value, zc->zc_guid, &zc->zc_cookie); 310114843421SMatthew Ahrens zfsvfs_rele(zfsvfs, FTAG); 310214843421SMatthew Ahrens 310314843421SMatthew Ahrens return (error); 310414843421SMatthew Ahrens } 310514843421SMatthew Ahrens 310614843421SMatthew Ahrens /* 310714843421SMatthew Ahrens * inputs: 310814843421SMatthew Ahrens * zc_name name of filesystem 310914843421SMatthew Ahrens * zc_cookie zap cursor 311014843421SMatthew Ahrens * zc_objset_type zfs_userquota_prop_t 311114843421SMatthew Ahrens * zc_nvlist_dst[_size] buffer to fill (not really an nvlist) 311214843421SMatthew Ahrens * 311314843421SMatthew Ahrens * outputs: 311414843421SMatthew Ahrens * zc_nvlist_dst[_size] data buffer (array of zfs_useracct_t) 311514843421SMatthew Ahrens * zc_cookie zap cursor 311614843421SMatthew Ahrens */ 311714843421SMatthew Ahrens static int 311814843421SMatthew Ahrens zfs_ioc_userspace_many(zfs_cmd_t *zc) 311914843421SMatthew Ahrens { 312014843421SMatthew Ahrens zfsvfs_t *zfsvfs; 312114843421SMatthew Ahrens int error; 312214843421SMatthew Ahrens 3123*503ad85cSMatthew Ahrens error = zfsvfs_hold(zc->zc_name, FTAG, &zfsvfs); 312414843421SMatthew Ahrens if (error) 312514843421SMatthew Ahrens return (error); 312614843421SMatthew Ahrens 312714843421SMatthew Ahrens int bufsize = zc->zc_nvlist_dst_size; 312814843421SMatthew Ahrens void *buf = kmem_alloc(bufsize, KM_SLEEP); 312914843421SMatthew Ahrens 313014843421SMatthew Ahrens error = zfs_userspace_many(zfsvfs, zc->zc_objset_type, &zc->zc_cookie, 313114843421SMatthew Ahrens buf, &zc->zc_nvlist_dst_size); 313214843421SMatthew Ahrens 313314843421SMatthew Ahrens if (error == 0) { 313414843421SMatthew Ahrens error = xcopyout(buf, 313514843421SMatthew Ahrens (void *)(uintptr_t)zc->zc_nvlist_dst, 313614843421SMatthew Ahrens zc->zc_nvlist_dst_size); 313714843421SMatthew Ahrens } 313814843421SMatthew Ahrens kmem_free(buf, bufsize); 313914843421SMatthew Ahrens zfsvfs_rele(zfsvfs, FTAG); 314014843421SMatthew Ahrens 314114843421SMatthew Ahrens return (error); 314214843421SMatthew Ahrens } 314314843421SMatthew Ahrens 314414843421SMatthew Ahrens /* 314514843421SMatthew Ahrens * inputs: 314614843421SMatthew Ahrens * zc_name name of filesystem 314714843421SMatthew Ahrens * 314814843421SMatthew Ahrens * outputs: 314914843421SMatthew Ahrens * none 315014843421SMatthew Ahrens */ 315114843421SMatthew Ahrens static int 315214843421SMatthew Ahrens zfs_ioc_userspace_upgrade(zfs_cmd_t *zc) 315314843421SMatthew Ahrens { 315414843421SMatthew Ahrens objset_t *os; 315514843421SMatthew Ahrens int error; 315614843421SMatthew Ahrens zfsvfs_t *zfsvfs; 315714843421SMatthew Ahrens 315814843421SMatthew Ahrens if (getzfsvfs(zc->zc_name, &zfsvfs) == 0) { 3159*503ad85cSMatthew Ahrens if (!dmu_objset_userused_enabled(zfsvfs->z_os)) { 316014843421SMatthew Ahrens /* 316114843421SMatthew Ahrens * If userused is not enabled, it may be because the 316214843421SMatthew Ahrens * objset needs to be closed & reopened (to grow the 316314843421SMatthew Ahrens * objset_phys_t). Suspend/resume the fs will do that. 316414843421SMatthew Ahrens */ 3165*503ad85cSMatthew Ahrens error = zfs_suspend_fs(zfsvfs); 3166*503ad85cSMatthew Ahrens if (error == 0) 3167*503ad85cSMatthew Ahrens error = zfs_resume_fs(zfsvfs, zc->zc_name); 316814843421SMatthew Ahrens } 316914843421SMatthew Ahrens if (error == 0) 317014843421SMatthew Ahrens error = dmu_objset_userspace_upgrade(zfsvfs->z_os); 317114843421SMatthew Ahrens VFS_RELE(zfsvfs->z_vfs); 317214843421SMatthew Ahrens } else { 3173*503ad85cSMatthew Ahrens /* XXX kind of reading contents without owning */ 3174*503ad85cSMatthew Ahrens error = dmu_objset_hold(zc->zc_name, FTAG, &os); 317514843421SMatthew Ahrens if (error) 317614843421SMatthew Ahrens return (error); 317714843421SMatthew Ahrens 317814843421SMatthew Ahrens error = dmu_objset_userspace_upgrade(os); 3179*503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 318014843421SMatthew Ahrens } 318114843421SMatthew Ahrens 318214843421SMatthew Ahrens return (error); 318314843421SMatthew Ahrens } 318414843421SMatthew Ahrens 3185ecd6cf80Smarks /* 3186ecd6cf80Smarks * We don't want to have a hard dependency 3187ecd6cf80Smarks * against some special symbols in sharefs 3188da6c28aaSamw * nfs, and smbsrv. Determine them if needed when 3189ecd6cf80Smarks * the first file system is shared. 3190da6c28aaSamw * Neither sharefs, nfs or smbsrv are unloadable modules. 3191ecd6cf80Smarks */ 3192da6c28aaSamw int (*znfsexport_fs)(void *arg); 3193ecd6cf80Smarks int (*zshare_fs)(enum sharefs_sys_op, share_t *, uint32_t); 3194da6c28aaSamw int (*zsmbexport_fs)(void *arg, boolean_t add_share); 3195da6c28aaSamw 3196da6c28aaSamw int zfs_nfsshare_inited; 3197da6c28aaSamw int zfs_smbshare_inited; 3198ecd6cf80Smarks 3199ecd6cf80Smarks ddi_modhandle_t nfs_mod; 3200ecd6cf80Smarks ddi_modhandle_t sharefs_mod; 3201da6c28aaSamw ddi_modhandle_t smbsrv_mod; 3202ecd6cf80Smarks kmutex_t zfs_share_lock; 3203ecd6cf80Smarks 3204da6c28aaSamw static int 3205da6c28aaSamw zfs_init_sharefs() 3206da6c28aaSamw { 3207da6c28aaSamw int error; 3208da6c28aaSamw 3209da6c28aaSamw ASSERT(MUTEX_HELD(&zfs_share_lock)); 3210da6c28aaSamw /* Both NFS and SMB shares also require sharetab support. */ 3211da6c28aaSamw if (sharefs_mod == NULL && ((sharefs_mod = 3212da6c28aaSamw ddi_modopen("fs/sharefs", 3213da6c28aaSamw KRTLD_MODE_FIRST, &error)) == NULL)) { 3214da6c28aaSamw return (ENOSYS); 3215da6c28aaSamw } 3216da6c28aaSamw if (zshare_fs == NULL && ((zshare_fs = 3217da6c28aaSamw (int (*)(enum sharefs_sys_op, share_t *, uint32_t)) 3218da6c28aaSamw ddi_modsym(sharefs_mod, "sharefs_impl", &error)) == NULL)) { 3219da6c28aaSamw return (ENOSYS); 3220da6c28aaSamw } 3221da6c28aaSamw return (0); 3222da6c28aaSamw } 3223da6c28aaSamw 3224ecd6cf80Smarks static int 3225ecd6cf80Smarks zfs_ioc_share(zfs_cmd_t *zc) 3226ecd6cf80Smarks { 3227ecd6cf80Smarks int error; 3228ecd6cf80Smarks int opcode; 3229ecd6cf80Smarks 3230da6c28aaSamw switch (zc->zc_share.z_sharetype) { 3231da6c28aaSamw case ZFS_SHARE_NFS: 3232da6c28aaSamw case ZFS_UNSHARE_NFS: 3233da6c28aaSamw if (zfs_nfsshare_inited == 0) { 3234da6c28aaSamw mutex_enter(&zfs_share_lock); 3235da6c28aaSamw if (nfs_mod == NULL && ((nfs_mod = ddi_modopen("fs/nfs", 3236da6c28aaSamw KRTLD_MODE_FIRST, &error)) == NULL)) { 3237da6c28aaSamw mutex_exit(&zfs_share_lock); 3238da6c28aaSamw return (ENOSYS); 3239da6c28aaSamw } 3240da6c28aaSamw if (znfsexport_fs == NULL && 3241da6c28aaSamw ((znfsexport_fs = (int (*)(void *)) 3242da6c28aaSamw ddi_modsym(nfs_mod, 3243da6c28aaSamw "nfs_export", &error)) == NULL)) { 3244da6c28aaSamw mutex_exit(&zfs_share_lock); 3245da6c28aaSamw return (ENOSYS); 3246da6c28aaSamw } 3247da6c28aaSamw error = zfs_init_sharefs(); 3248da6c28aaSamw if (error) { 3249da6c28aaSamw mutex_exit(&zfs_share_lock); 3250da6c28aaSamw return (ENOSYS); 3251da6c28aaSamw } 3252da6c28aaSamw zfs_nfsshare_inited = 1; 3253ecd6cf80Smarks mutex_exit(&zfs_share_lock); 3254ecd6cf80Smarks } 3255da6c28aaSamw break; 3256da6c28aaSamw case ZFS_SHARE_SMB: 3257da6c28aaSamw case ZFS_UNSHARE_SMB: 3258da6c28aaSamw if (zfs_smbshare_inited == 0) { 3259da6c28aaSamw mutex_enter(&zfs_share_lock); 3260da6c28aaSamw if (smbsrv_mod == NULL && ((smbsrv_mod = 3261da6c28aaSamw ddi_modopen("drv/smbsrv", 3262da6c28aaSamw KRTLD_MODE_FIRST, &error)) == NULL)) { 3263da6c28aaSamw mutex_exit(&zfs_share_lock); 3264da6c28aaSamw return (ENOSYS); 3265da6c28aaSamw } 3266da6c28aaSamw if (zsmbexport_fs == NULL && ((zsmbexport_fs = 3267da6c28aaSamw (int (*)(void *, boolean_t))ddi_modsym(smbsrv_mod, 3268faa1795aSjb "smb_server_share", &error)) == NULL)) { 3269da6c28aaSamw mutex_exit(&zfs_share_lock); 3270da6c28aaSamw return (ENOSYS); 3271da6c28aaSamw } 3272da6c28aaSamw error = zfs_init_sharefs(); 3273da6c28aaSamw if (error) { 3274da6c28aaSamw mutex_exit(&zfs_share_lock); 3275da6c28aaSamw return (ENOSYS); 3276da6c28aaSamw } 3277da6c28aaSamw zfs_smbshare_inited = 1; 3278ecd6cf80Smarks mutex_exit(&zfs_share_lock); 3279ecd6cf80Smarks } 3280da6c28aaSamw break; 3281da6c28aaSamw default: 3282da6c28aaSamw return (EINVAL); 3283da6c28aaSamw } 3284ecd6cf80Smarks 3285da6c28aaSamw switch (zc->zc_share.z_sharetype) { 3286da6c28aaSamw case ZFS_SHARE_NFS: 3287da6c28aaSamw case ZFS_UNSHARE_NFS: 3288da6c28aaSamw if (error = 3289da6c28aaSamw znfsexport_fs((void *) 3290da6c28aaSamw (uintptr_t)zc->zc_share.z_exportdata)) 3291da6c28aaSamw return (error); 3292da6c28aaSamw break; 3293da6c28aaSamw case ZFS_SHARE_SMB: 3294da6c28aaSamw case ZFS_UNSHARE_SMB: 3295da6c28aaSamw if (error = zsmbexport_fs((void *) 3296da6c28aaSamw (uintptr_t)zc->zc_share.z_exportdata, 3297da6c28aaSamw zc->zc_share.z_sharetype == ZFS_SHARE_SMB ? 3298743a77edSAlan Wright B_TRUE: B_FALSE)) { 3299da6c28aaSamw return (error); 3300ecd6cf80Smarks } 3301da6c28aaSamw break; 3302ecd6cf80Smarks } 3303ecd6cf80Smarks 3304da6c28aaSamw opcode = (zc->zc_share.z_sharetype == ZFS_SHARE_NFS || 3305da6c28aaSamw zc->zc_share.z_sharetype == ZFS_SHARE_SMB) ? 3306ecd6cf80Smarks SHAREFS_ADD : SHAREFS_REMOVE; 3307ecd6cf80Smarks 3308da6c28aaSamw /* 3309da6c28aaSamw * Add or remove share from sharetab 3310da6c28aaSamw */ 3311ecd6cf80Smarks error = zshare_fs(opcode, 3312ecd6cf80Smarks (void *)(uintptr_t)zc->zc_share.z_sharedata, 3313ecd6cf80Smarks zc->zc_share.z_sharemax); 3314ecd6cf80Smarks 3315ecd6cf80Smarks return (error); 3316ecd6cf80Smarks 3317ecd6cf80Smarks } 3318ecd6cf80Smarks 3319743a77edSAlan Wright ace_t full_access[] = { 3320743a77edSAlan Wright {(uid_t)-1, ACE_ALL_PERMS, ACE_EVERYONE, 0} 3321743a77edSAlan Wright }; 3322743a77edSAlan Wright 3323743a77edSAlan Wright /* 3324743a77edSAlan Wright * Remove all ACL files in shares dir 3325743a77edSAlan Wright */ 3326743a77edSAlan Wright static int 3327743a77edSAlan Wright zfs_smb_acl_purge(znode_t *dzp) 3328743a77edSAlan Wright { 3329743a77edSAlan Wright zap_cursor_t zc; 3330743a77edSAlan Wright zap_attribute_t zap; 3331743a77edSAlan Wright zfsvfs_t *zfsvfs = dzp->z_zfsvfs; 3332743a77edSAlan Wright int error; 3333743a77edSAlan Wright 3334743a77edSAlan Wright for (zap_cursor_init(&zc, zfsvfs->z_os, dzp->z_id); 3335743a77edSAlan Wright (error = zap_cursor_retrieve(&zc, &zap)) == 0; 3336743a77edSAlan Wright zap_cursor_advance(&zc)) { 3337743a77edSAlan Wright if ((error = VOP_REMOVE(ZTOV(dzp), zap.za_name, kcred, 3338743a77edSAlan Wright NULL, 0)) != 0) 3339743a77edSAlan Wright break; 3340743a77edSAlan Wright } 3341743a77edSAlan Wright zap_cursor_fini(&zc); 3342743a77edSAlan Wright return (error); 3343743a77edSAlan Wright } 3344743a77edSAlan Wright 3345743a77edSAlan Wright static int 3346743a77edSAlan Wright zfs_ioc_smb_acl(zfs_cmd_t *zc) 3347743a77edSAlan Wright { 3348743a77edSAlan Wright vnode_t *vp; 3349743a77edSAlan Wright znode_t *dzp; 3350743a77edSAlan Wright vnode_t *resourcevp = NULL; 3351743a77edSAlan Wright znode_t *sharedir; 3352743a77edSAlan Wright zfsvfs_t *zfsvfs; 3353743a77edSAlan Wright nvlist_t *nvlist; 3354743a77edSAlan Wright char *src, *target; 3355743a77edSAlan Wright vattr_t vattr; 3356743a77edSAlan Wright vsecattr_t vsec; 3357743a77edSAlan Wright int error = 0; 3358743a77edSAlan Wright 3359743a77edSAlan Wright if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, 3360743a77edSAlan Wright NO_FOLLOW, NULL, &vp)) != 0) 3361743a77edSAlan Wright return (error); 3362743a77edSAlan Wright 3363743a77edSAlan Wright /* Now make sure mntpnt and dataset are ZFS */ 3364743a77edSAlan Wright 3365743a77edSAlan Wright if (vp->v_vfsp->vfs_fstype != zfsfstype || 3366743a77edSAlan Wright (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), 3367743a77edSAlan Wright zc->zc_name) != 0)) { 3368743a77edSAlan Wright VN_RELE(vp); 3369743a77edSAlan Wright return (EINVAL); 3370743a77edSAlan Wright } 3371743a77edSAlan Wright 3372743a77edSAlan Wright dzp = VTOZ(vp); 3373743a77edSAlan Wright zfsvfs = dzp->z_zfsvfs; 3374743a77edSAlan Wright ZFS_ENTER(zfsvfs); 3375743a77edSAlan Wright 33769e1320c0SMark Shellenbaum /* 33779e1320c0SMark Shellenbaum * Create share dir if its missing. 33789e1320c0SMark Shellenbaum */ 33799e1320c0SMark Shellenbaum mutex_enter(&zfsvfs->z_lock); 33809e1320c0SMark Shellenbaum if (zfsvfs->z_shares_dir == 0) { 33819e1320c0SMark Shellenbaum dmu_tx_t *tx; 33829e1320c0SMark Shellenbaum 33839e1320c0SMark Shellenbaum tx = dmu_tx_create(zfsvfs->z_os); 33849e1320c0SMark Shellenbaum dmu_tx_hold_zap(tx, MASTER_NODE_OBJ, TRUE, 33859e1320c0SMark Shellenbaum ZFS_SHARES_DIR); 33869e1320c0SMark Shellenbaum dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, FALSE, NULL); 33879e1320c0SMark Shellenbaum error = dmu_tx_assign(tx, TXG_WAIT); 33889e1320c0SMark Shellenbaum if (error) { 33899e1320c0SMark Shellenbaum dmu_tx_abort(tx); 33909e1320c0SMark Shellenbaum } else { 33919e1320c0SMark Shellenbaum error = zfs_create_share_dir(zfsvfs, tx); 33929e1320c0SMark Shellenbaum dmu_tx_commit(tx); 33939e1320c0SMark Shellenbaum } 33949e1320c0SMark Shellenbaum if (error) { 33959e1320c0SMark Shellenbaum mutex_exit(&zfsvfs->z_lock); 33969e1320c0SMark Shellenbaum VN_RELE(vp); 33979e1320c0SMark Shellenbaum ZFS_EXIT(zfsvfs); 33989e1320c0SMark Shellenbaum return (error); 33999e1320c0SMark Shellenbaum } 34009e1320c0SMark Shellenbaum } 34019e1320c0SMark Shellenbaum mutex_exit(&zfsvfs->z_lock); 34029e1320c0SMark Shellenbaum 34039e1320c0SMark Shellenbaum ASSERT(zfsvfs->z_shares_dir); 3404743a77edSAlan Wright if ((error = zfs_zget(zfsvfs, zfsvfs->z_shares_dir, &sharedir)) != 0) { 34059e1320c0SMark Shellenbaum VN_RELE(vp); 3406743a77edSAlan Wright ZFS_EXIT(zfsvfs); 3407743a77edSAlan Wright return (error); 3408743a77edSAlan Wright } 3409743a77edSAlan Wright 3410743a77edSAlan Wright switch (zc->zc_cookie) { 3411743a77edSAlan Wright case ZFS_SMB_ACL_ADD: 3412743a77edSAlan Wright vattr.va_mask = AT_MODE|AT_UID|AT_GID|AT_TYPE; 3413743a77edSAlan Wright vattr.va_type = VREG; 3414743a77edSAlan Wright vattr.va_mode = S_IFREG|0777; 3415743a77edSAlan Wright vattr.va_uid = 0; 3416743a77edSAlan Wright vattr.va_gid = 0; 3417743a77edSAlan Wright 3418743a77edSAlan Wright vsec.vsa_mask = VSA_ACE; 3419743a77edSAlan Wright vsec.vsa_aclentp = &full_access; 3420743a77edSAlan Wright vsec.vsa_aclentsz = sizeof (full_access); 3421743a77edSAlan Wright vsec.vsa_aclcnt = 1; 3422743a77edSAlan Wright 3423743a77edSAlan Wright error = VOP_CREATE(ZTOV(sharedir), zc->zc_string, 3424743a77edSAlan Wright &vattr, EXCL, 0, &resourcevp, kcred, 0, NULL, &vsec); 3425743a77edSAlan Wright if (resourcevp) 3426743a77edSAlan Wright VN_RELE(resourcevp); 3427743a77edSAlan Wright break; 3428743a77edSAlan Wright 3429743a77edSAlan Wright case ZFS_SMB_ACL_REMOVE: 3430743a77edSAlan Wright error = VOP_REMOVE(ZTOV(sharedir), zc->zc_string, kcred, 3431743a77edSAlan Wright NULL, 0); 3432743a77edSAlan Wright break; 3433743a77edSAlan Wright 3434743a77edSAlan Wright case ZFS_SMB_ACL_RENAME: 3435743a77edSAlan Wright if ((error = get_nvlist(zc->zc_nvlist_src, 3436478ed9adSEric Taylor zc->zc_nvlist_src_size, zc->zc_iflags, &nvlist)) != 0) { 3437743a77edSAlan Wright VN_RELE(vp); 3438743a77edSAlan Wright ZFS_EXIT(zfsvfs); 3439743a77edSAlan Wright return (error); 3440743a77edSAlan Wright } 3441743a77edSAlan Wright if (nvlist_lookup_string(nvlist, ZFS_SMB_ACL_SRC, &src) || 3442743a77edSAlan Wright nvlist_lookup_string(nvlist, ZFS_SMB_ACL_TARGET, 3443743a77edSAlan Wright &target)) { 3444743a77edSAlan Wright VN_RELE(vp); 344589459e17SMark Shellenbaum VN_RELE(ZTOV(sharedir)); 3446743a77edSAlan Wright ZFS_EXIT(zfsvfs); 3447743a77edSAlan Wright return (error); 3448743a77edSAlan Wright } 3449743a77edSAlan Wright error = VOP_RENAME(ZTOV(sharedir), src, ZTOV(sharedir), target, 3450743a77edSAlan Wright kcred, NULL, 0); 3451743a77edSAlan Wright nvlist_free(nvlist); 3452743a77edSAlan Wright break; 3453743a77edSAlan Wright 3454743a77edSAlan Wright case ZFS_SMB_ACL_PURGE: 3455743a77edSAlan Wright error = zfs_smb_acl_purge(sharedir); 3456743a77edSAlan Wright break; 3457743a77edSAlan Wright 3458743a77edSAlan Wright default: 3459743a77edSAlan Wright error = EINVAL; 3460743a77edSAlan Wright break; 3461743a77edSAlan Wright } 3462743a77edSAlan Wright 3463743a77edSAlan Wright VN_RELE(vp); 3464743a77edSAlan Wright VN_RELE(ZTOV(sharedir)); 3465743a77edSAlan Wright 3466743a77edSAlan Wright ZFS_EXIT(zfsvfs); 3467743a77edSAlan Wright 3468743a77edSAlan Wright return (error); 3469743a77edSAlan Wright } 3470743a77edSAlan Wright 3471842727c2SChris Kirby /* 3472842727c2SChris Kirby * inputs: 3473842727c2SChris Kirby * zc_name name of filesystem 3474842727c2SChris Kirby * zc_value short name of snap 3475842727c2SChris Kirby * zc_string user-supplied tag for this reference 3476842727c2SChris Kirby * zc_cookie recursive flag 3477842727c2SChris Kirby * 3478842727c2SChris Kirby * outputs: none 3479842727c2SChris Kirby */ 3480842727c2SChris Kirby static int 3481842727c2SChris Kirby zfs_ioc_hold(zfs_cmd_t *zc) 3482842727c2SChris Kirby { 3483842727c2SChris Kirby boolean_t recursive = zc->zc_cookie; 3484842727c2SChris Kirby 3485842727c2SChris Kirby if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) 3486842727c2SChris Kirby return (EINVAL); 3487842727c2SChris Kirby 3488842727c2SChris Kirby return (dsl_dataset_user_hold(zc->zc_name, zc->zc_value, 3489842727c2SChris Kirby zc->zc_string, recursive)); 3490842727c2SChris Kirby } 3491842727c2SChris Kirby 3492842727c2SChris Kirby /* 3493842727c2SChris Kirby * inputs: 3494842727c2SChris Kirby * zc_name name of dataset from which we're releasing a user reference 3495842727c2SChris Kirby * zc_value short name of snap 3496842727c2SChris Kirby * zc_string user-supplied tag for this reference 3497842727c2SChris Kirby * zc_cookie recursive flag 3498842727c2SChris Kirby * 3499842727c2SChris Kirby * outputs: none 3500842727c2SChris Kirby */ 3501842727c2SChris Kirby static int 3502842727c2SChris Kirby zfs_ioc_release(zfs_cmd_t *zc) 3503842727c2SChris Kirby { 3504842727c2SChris Kirby boolean_t recursive = zc->zc_cookie; 3505842727c2SChris Kirby 3506842727c2SChris Kirby if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) 3507842727c2SChris Kirby return (EINVAL); 3508842727c2SChris Kirby 3509842727c2SChris Kirby return (dsl_dataset_user_release(zc->zc_name, zc->zc_value, 3510842727c2SChris Kirby zc->zc_string, recursive)); 3511842727c2SChris Kirby } 3512842727c2SChris Kirby 3513842727c2SChris Kirby /* 3514842727c2SChris Kirby * inputs: 3515842727c2SChris Kirby * zc_name name of filesystem 3516842727c2SChris Kirby * 3517842727c2SChris Kirby * outputs: 3518842727c2SChris Kirby * zc_nvlist_src{_size} nvlist of snapshot holds 3519842727c2SChris Kirby */ 3520842727c2SChris Kirby static int 3521842727c2SChris Kirby zfs_ioc_get_holds(zfs_cmd_t *zc) 3522842727c2SChris Kirby { 3523842727c2SChris Kirby nvlist_t *nvp; 3524842727c2SChris Kirby int error; 3525842727c2SChris Kirby 3526842727c2SChris Kirby if ((error = dsl_dataset_get_holds(zc->zc_name, &nvp)) == 0) { 3527842727c2SChris Kirby error = put_nvlist(zc, nvp); 3528842727c2SChris Kirby nvlist_free(nvp); 3529842727c2SChris Kirby } 3530842727c2SChris Kirby 3531842727c2SChris Kirby return (error); 3532842727c2SChris Kirby } 3533842727c2SChris Kirby 3534ecd6cf80Smarks /* 35352a6b87f0Sek * pool create, destroy, and export don't log the history as part of 35362a6b87f0Sek * zfsdev_ioctl, but rather zfs_ioc_pool_create, and zfs_ioc_pool_export 35372a6b87f0Sek * do the logging of those commands. 3538ecd6cf80Smarks */ 3539fa9e4066Sahrens static zfs_ioc_vec_t zfs_ioc_vec[] = { 354054d692b7SGeorge Wilson { zfs_ioc_pool_create, zfs_secpolicy_config, POOL_NAME, B_FALSE, 354154d692b7SGeorge Wilson B_FALSE }, 354254d692b7SGeorge Wilson { zfs_ioc_pool_destroy, zfs_secpolicy_config, POOL_NAME, B_FALSE, 354354d692b7SGeorge Wilson B_FALSE }, 354454d692b7SGeorge Wilson { zfs_ioc_pool_import, zfs_secpolicy_config, POOL_NAME, B_TRUE, 354554d692b7SGeorge Wilson B_FALSE }, 354654d692b7SGeorge Wilson { zfs_ioc_pool_export, zfs_secpolicy_config, POOL_NAME, B_FALSE, 354754d692b7SGeorge Wilson B_FALSE }, 354854d692b7SGeorge Wilson { zfs_ioc_pool_configs, zfs_secpolicy_none, NO_NAME, B_FALSE, 354954d692b7SGeorge Wilson B_FALSE }, 355054d692b7SGeorge Wilson { zfs_ioc_pool_stats, zfs_secpolicy_read, POOL_NAME, B_FALSE, 355154d692b7SGeorge Wilson B_FALSE }, 355254d692b7SGeorge Wilson { zfs_ioc_pool_tryimport, zfs_secpolicy_config, NO_NAME, B_FALSE, 355354d692b7SGeorge Wilson B_FALSE }, 355454d692b7SGeorge Wilson { zfs_ioc_pool_scrub, zfs_secpolicy_config, POOL_NAME, B_TRUE, 355554d692b7SGeorge Wilson B_TRUE }, 355654d692b7SGeorge Wilson { zfs_ioc_pool_freeze, zfs_secpolicy_config, NO_NAME, B_FALSE, 355754d692b7SGeorge Wilson B_FALSE }, 355854d692b7SGeorge Wilson { zfs_ioc_pool_upgrade, zfs_secpolicy_config, POOL_NAME, B_TRUE, 355954d692b7SGeorge Wilson B_TRUE }, 356054d692b7SGeorge Wilson { zfs_ioc_pool_get_history, zfs_secpolicy_config, POOL_NAME, B_FALSE, 356154d692b7SGeorge Wilson B_FALSE }, 356254d692b7SGeorge Wilson { zfs_ioc_vdev_add, zfs_secpolicy_config, POOL_NAME, B_TRUE, 356354d692b7SGeorge Wilson B_TRUE }, 356454d692b7SGeorge Wilson { zfs_ioc_vdev_remove, zfs_secpolicy_config, POOL_NAME, B_TRUE, 356554d692b7SGeorge Wilson B_TRUE }, 356654d692b7SGeorge Wilson { zfs_ioc_vdev_set_state, zfs_secpolicy_config, POOL_NAME, B_TRUE, 356754d692b7SGeorge Wilson B_FALSE }, 356854d692b7SGeorge Wilson { zfs_ioc_vdev_attach, zfs_secpolicy_config, POOL_NAME, B_TRUE, 356954d692b7SGeorge Wilson B_TRUE }, 357054d692b7SGeorge Wilson { zfs_ioc_vdev_detach, zfs_secpolicy_config, POOL_NAME, B_TRUE, 357154d692b7SGeorge Wilson B_TRUE }, 357254d692b7SGeorge Wilson { zfs_ioc_vdev_setpath, zfs_secpolicy_config, POOL_NAME, B_FALSE, 357354d692b7SGeorge Wilson B_TRUE }, 35746809eb4eSEric Schrock { zfs_ioc_vdev_setfru, zfs_secpolicy_config, POOL_NAME, B_FALSE, 35756809eb4eSEric Schrock B_TRUE }, 357654d692b7SGeorge Wilson { zfs_ioc_objset_stats, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 357754d692b7SGeorge Wilson B_FALSE }, 357854d692b7SGeorge Wilson { zfs_ioc_objset_zplprops, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 357954d692b7SGeorge Wilson B_FALSE }, 358054d692b7SGeorge Wilson { zfs_ioc_dataset_list_next, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 358154d692b7SGeorge Wilson B_FALSE }, 358254d692b7SGeorge Wilson { zfs_ioc_snapshot_list_next, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 358354d692b7SGeorge Wilson B_FALSE }, 358454d692b7SGeorge Wilson { zfs_ioc_set_prop, zfs_secpolicy_none, DATASET_NAME, B_TRUE, B_TRUE }, 358554d692b7SGeorge Wilson { zfs_ioc_create_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE, 358654d692b7SGeorge Wilson B_FALSE }, 358754d692b7SGeorge Wilson { zfs_ioc_remove_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE, 358854d692b7SGeorge Wilson B_FALSE }, 358954d692b7SGeorge Wilson { zfs_ioc_create, zfs_secpolicy_create, DATASET_NAME, B_TRUE, B_TRUE }, 359054d692b7SGeorge Wilson { zfs_ioc_destroy, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE, 359154d692b7SGeorge Wilson B_TRUE}, 359254d692b7SGeorge Wilson { zfs_ioc_rollback, zfs_secpolicy_rollback, DATASET_NAME, B_TRUE, 359354d692b7SGeorge Wilson B_TRUE }, 359454d692b7SGeorge Wilson { zfs_ioc_rename, zfs_secpolicy_rename, DATASET_NAME, B_TRUE, B_TRUE }, 359554d692b7SGeorge Wilson { zfs_ioc_recv, zfs_secpolicy_receive, DATASET_NAME, B_TRUE, B_TRUE }, 359654d692b7SGeorge Wilson { zfs_ioc_send, zfs_secpolicy_send, DATASET_NAME, B_TRUE, B_FALSE }, 359754d692b7SGeorge Wilson { zfs_ioc_inject_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE, 359854d692b7SGeorge Wilson B_FALSE }, 359954d692b7SGeorge Wilson { zfs_ioc_clear_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE, 360054d692b7SGeorge Wilson B_FALSE }, 360154d692b7SGeorge Wilson { zfs_ioc_inject_list_next, zfs_secpolicy_inject, NO_NAME, B_FALSE, 360254d692b7SGeorge Wilson B_FALSE }, 360354d692b7SGeorge Wilson { zfs_ioc_error_log, zfs_secpolicy_inject, POOL_NAME, B_FALSE, 360454d692b7SGeorge Wilson B_FALSE }, 360554d692b7SGeorge Wilson { zfs_ioc_clear, zfs_secpolicy_config, POOL_NAME, B_TRUE, B_FALSE }, 360654d692b7SGeorge Wilson { zfs_ioc_promote, zfs_secpolicy_promote, DATASET_NAME, B_TRUE, 360754d692b7SGeorge Wilson B_TRUE }, 360854d692b7SGeorge Wilson { zfs_ioc_destroy_snaps, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE, 360954d692b7SGeorge Wilson B_TRUE }, 361054d692b7SGeorge Wilson { zfs_ioc_snapshot, zfs_secpolicy_snapshot, DATASET_NAME, B_TRUE, 361154d692b7SGeorge Wilson B_TRUE }, 361254d692b7SGeorge Wilson { zfs_ioc_dsobj_to_dsname, zfs_secpolicy_config, POOL_NAME, B_FALSE, 361354d692b7SGeorge Wilson B_FALSE }, 36146e8a0f56SGeorge Wilson { zfs_ioc_obj_to_path, zfs_secpolicy_config, DATASET_NAME, B_FALSE, 36156e8a0f56SGeorge Wilson B_TRUE }, 361654d692b7SGeorge Wilson { zfs_ioc_pool_set_props, zfs_secpolicy_config, POOL_NAME, B_TRUE, 361754d692b7SGeorge Wilson B_TRUE }, 361854d692b7SGeorge Wilson { zfs_ioc_pool_get_props, zfs_secpolicy_read, POOL_NAME, B_FALSE, 361954d692b7SGeorge Wilson B_FALSE }, 362054d692b7SGeorge Wilson { zfs_ioc_set_fsacl, zfs_secpolicy_fsacl, DATASET_NAME, B_TRUE, 362154d692b7SGeorge Wilson B_TRUE }, 362254d692b7SGeorge Wilson { zfs_ioc_get_fsacl, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 362354d692b7SGeorge Wilson B_FALSE }, 362454d692b7SGeorge Wilson { zfs_ioc_iscsi_perm_check, zfs_secpolicy_iscsi, DATASET_NAME, B_FALSE, 362554d692b7SGeorge Wilson B_FALSE }, 362654d692b7SGeorge Wilson { zfs_ioc_share, zfs_secpolicy_share, DATASET_NAME, B_FALSE, B_FALSE }, 362754d692b7SGeorge Wilson { zfs_ioc_inherit_prop, zfs_secpolicy_inherit, DATASET_NAME, B_TRUE, 362854d692b7SGeorge Wilson B_TRUE }, 362954d692b7SGeorge Wilson { zfs_ioc_smb_acl, zfs_secpolicy_smb_acl, DATASET_NAME, B_FALSE, 363014843421SMatthew Ahrens B_FALSE }, 363114843421SMatthew Ahrens { zfs_ioc_userspace_one, zfs_secpolicy_userspace_one, 363214843421SMatthew Ahrens DATASET_NAME, B_FALSE, B_FALSE }, 363314843421SMatthew Ahrens { zfs_ioc_userspace_many, zfs_secpolicy_userspace_many, 363414843421SMatthew Ahrens DATASET_NAME, B_FALSE, B_FALSE }, 363514843421SMatthew Ahrens { zfs_ioc_userspace_upgrade, zfs_secpolicy_userspace_upgrade, 363614843421SMatthew Ahrens DATASET_NAME, B_FALSE, B_TRUE }, 3637842727c2SChris Kirby { zfs_ioc_hold, zfs_secpolicy_hold, DATASET_NAME, B_TRUE, B_TRUE }, 3638842727c2SChris Kirby { zfs_ioc_release, zfs_secpolicy_release, DATASET_NAME, B_TRUE, 3639842727c2SChris Kirby B_TRUE }, 3640842727c2SChris Kirby { zfs_ioc_get_holds, zfs_secpolicy_read, DATASET_NAME, B_FALSE, 3641842727c2SChris Kirby B_TRUE } 3642fa9e4066Sahrens }; 3643fa9e4066Sahrens 364454d692b7SGeorge Wilson int 364554d692b7SGeorge Wilson pool_status_check(const char *name, zfs_ioc_namecheck_t type) 364654d692b7SGeorge Wilson { 364754d692b7SGeorge Wilson spa_t *spa; 364854d692b7SGeorge Wilson int error; 364954d692b7SGeorge Wilson 365054d692b7SGeorge Wilson ASSERT(type == POOL_NAME || type == DATASET_NAME); 365154d692b7SGeorge Wilson 365214843421SMatthew Ahrens error = spa_open(name, &spa, FTAG); 365354d692b7SGeorge Wilson if (error == 0) { 365454d692b7SGeorge Wilson if (spa_suspended(spa)) 365554d692b7SGeorge Wilson error = EAGAIN; 365654d692b7SGeorge Wilson spa_close(spa, FTAG); 365754d692b7SGeorge Wilson } 365854d692b7SGeorge Wilson return (error); 365954d692b7SGeorge Wilson } 366054d692b7SGeorge Wilson 3661fa9e4066Sahrens static int 3662fa9e4066Sahrens zfsdev_ioctl(dev_t dev, int cmd, intptr_t arg, int flag, cred_t *cr, int *rvalp) 3663fa9e4066Sahrens { 3664fa9e4066Sahrens zfs_cmd_t *zc; 3665fa9e4066Sahrens uint_t vec; 36661d452cf5Sahrens int error, rc; 3667fa9e4066Sahrens 3668fa9e4066Sahrens if (getminor(dev) != 0) 3669fa9e4066Sahrens return (zvol_ioctl(dev, cmd, arg, flag, cr, rvalp)); 3670fa9e4066Sahrens 3671fa9e4066Sahrens vec = cmd - ZFS_IOC; 367291ebeef5Sahrens ASSERT3U(getmajor(dev), ==, ddi_driver_major(zfs_dip)); 3673fa9e4066Sahrens 3674fa9e4066Sahrens if (vec >= sizeof (zfs_ioc_vec) / sizeof (zfs_ioc_vec[0])) 3675fa9e4066Sahrens return (EINVAL); 3676fa9e4066Sahrens 3677fa9e4066Sahrens zc = kmem_zalloc(sizeof (zfs_cmd_t), KM_SLEEP); 3678fa9e4066Sahrens 3679478ed9adSEric Taylor error = ddi_copyin((void *)arg, zc, sizeof (zfs_cmd_t), flag); 3680fa9e4066Sahrens 368191ebeef5Sahrens if (error == 0) 3682ecd6cf80Smarks error = zfs_ioc_vec[vec].zvec_secpolicy(zc, cr); 3683fa9e4066Sahrens 3684fa9e4066Sahrens /* 3685fa9e4066Sahrens * Ensure that all pool/dataset names are valid before we pass down to 3686fa9e4066Sahrens * the lower layers. 3687fa9e4066Sahrens */ 3688fa9e4066Sahrens if (error == 0) { 3689fa9e4066Sahrens zc->zc_name[sizeof (zc->zc_name) - 1] = '\0'; 3690478ed9adSEric Taylor zc->zc_iflags = flag & FKIOCTL; 3691fa9e4066Sahrens switch (zfs_ioc_vec[vec].zvec_namecheck) { 3692e7437265Sahrens case POOL_NAME: 3693fa9e4066Sahrens if (pool_namecheck(zc->zc_name, NULL, NULL) != 0) 3694fa9e4066Sahrens error = EINVAL; 369554d692b7SGeorge Wilson if (zfs_ioc_vec[vec].zvec_pool_check) 369654d692b7SGeorge Wilson error = pool_status_check(zc->zc_name, 369754d692b7SGeorge Wilson zfs_ioc_vec[vec].zvec_namecheck); 3698fa9e4066Sahrens break; 3699fa9e4066Sahrens 3700e7437265Sahrens case DATASET_NAME: 3701fa9e4066Sahrens if (dataset_namecheck(zc->zc_name, NULL, NULL) != 0) 3702fa9e4066Sahrens error = EINVAL; 370354d692b7SGeorge Wilson if (zfs_ioc_vec[vec].zvec_pool_check) 370454d692b7SGeorge Wilson error = pool_status_check(zc->zc_name, 370554d692b7SGeorge Wilson zfs_ioc_vec[vec].zvec_namecheck); 3706fa9e4066Sahrens break; 37075ad82045Snd 3708e7437265Sahrens case NO_NAME: 37095ad82045Snd break; 3710fa9e4066Sahrens } 3711fa9e4066Sahrens } 3712fa9e4066Sahrens 3713fa9e4066Sahrens if (error == 0) 3714fa9e4066Sahrens error = zfs_ioc_vec[vec].zvec_func(zc); 3715fa9e4066Sahrens 3716478ed9adSEric Taylor rc = ddi_copyout(zc, (void *)arg, sizeof (zfs_cmd_t), flag); 3717ecd6cf80Smarks if (error == 0) { 37181d452cf5Sahrens error = rc; 371914843421SMatthew Ahrens if (zfs_ioc_vec[vec].zvec_his_log) 3720ecd6cf80Smarks zfs_log_history(zc); 3721ecd6cf80Smarks } 3722fa9e4066Sahrens 3723fa9e4066Sahrens kmem_free(zc, sizeof (zfs_cmd_t)); 3724fa9e4066Sahrens return (error); 3725fa9e4066Sahrens } 3726fa9e4066Sahrens 3727fa9e4066Sahrens static int 3728fa9e4066Sahrens zfs_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 3729fa9e4066Sahrens { 3730fa9e4066Sahrens if (cmd != DDI_ATTACH) 3731fa9e4066Sahrens return (DDI_FAILURE); 3732fa9e4066Sahrens 3733fa9e4066Sahrens if (ddi_create_minor_node(dip, "zfs", S_IFCHR, 0, 3734fa9e4066Sahrens DDI_PSEUDO, 0) == DDI_FAILURE) 3735fa9e4066Sahrens return (DDI_FAILURE); 3736fa9e4066Sahrens 3737fa9e4066Sahrens zfs_dip = dip; 3738fa9e4066Sahrens 3739fa9e4066Sahrens ddi_report_dev(dip); 3740fa9e4066Sahrens 3741fa9e4066Sahrens return (DDI_SUCCESS); 3742fa9e4066Sahrens } 3743fa9e4066Sahrens 3744fa9e4066Sahrens static int 3745fa9e4066Sahrens zfs_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 3746fa9e4066Sahrens { 3747fa9e4066Sahrens if (spa_busy() || zfs_busy() || zvol_busy()) 3748fa9e4066Sahrens return (DDI_FAILURE); 3749fa9e4066Sahrens 3750fa9e4066Sahrens if (cmd != DDI_DETACH) 3751fa9e4066Sahrens return (DDI_FAILURE); 3752fa9e4066Sahrens 3753fa9e4066Sahrens zfs_dip = NULL; 3754fa9e4066Sahrens 3755fa9e4066Sahrens ddi_prop_remove_all(dip); 3756fa9e4066Sahrens ddi_remove_minor_node(dip, NULL); 3757fa9e4066Sahrens 3758fa9e4066Sahrens return (DDI_SUCCESS); 3759fa9e4066Sahrens } 3760fa9e4066Sahrens 3761fa9e4066Sahrens /*ARGSUSED*/ 3762fa9e4066Sahrens static int 3763fa9e4066Sahrens zfs_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) 3764fa9e4066Sahrens { 3765fa9e4066Sahrens switch (infocmd) { 3766fa9e4066Sahrens case DDI_INFO_DEVT2DEVINFO: 3767fa9e4066Sahrens *result = zfs_dip; 3768fa9e4066Sahrens return (DDI_SUCCESS); 3769fa9e4066Sahrens 3770fa9e4066Sahrens case DDI_INFO_DEVT2INSTANCE: 3771a0965f35Sbonwick *result = (void *)0; 3772fa9e4066Sahrens return (DDI_SUCCESS); 3773fa9e4066Sahrens } 3774fa9e4066Sahrens 3775fa9e4066Sahrens return (DDI_FAILURE); 3776fa9e4066Sahrens } 3777fa9e4066Sahrens 3778fa9e4066Sahrens /* 3779fa9e4066Sahrens * OK, so this is a little weird. 3780fa9e4066Sahrens * 3781fa9e4066Sahrens * /dev/zfs is the control node, i.e. minor 0. 3782fa9e4066Sahrens * /dev/zvol/[r]dsk/pool/dataset are the zvols, minor > 0. 3783fa9e4066Sahrens * 3784fa9e4066Sahrens * /dev/zfs has basically nothing to do except serve up ioctls, 3785fa9e4066Sahrens * so most of the standard driver entry points are in zvol.c. 3786fa9e4066Sahrens */ 3787fa9e4066Sahrens static struct cb_ops zfs_cb_ops = { 3788fa9e4066Sahrens zvol_open, /* open */ 3789fa9e4066Sahrens zvol_close, /* close */ 3790fa9e4066Sahrens zvol_strategy, /* strategy */ 3791fa9e4066Sahrens nodev, /* print */ 3792e7cbe64fSgw zvol_dump, /* dump */ 3793fa9e4066Sahrens zvol_read, /* read */ 3794fa9e4066Sahrens zvol_write, /* write */ 3795fa9e4066Sahrens zfsdev_ioctl, /* ioctl */ 3796fa9e4066Sahrens nodev, /* devmap */ 3797fa9e4066Sahrens nodev, /* mmap */ 3798fa9e4066Sahrens nodev, /* segmap */ 3799fa9e4066Sahrens nochpoll, /* poll */ 3800fa9e4066Sahrens ddi_prop_op, /* prop_op */ 3801fa9e4066Sahrens NULL, /* streamtab */ 3802fa9e4066Sahrens D_NEW | D_MP | D_64BIT, /* Driver compatibility flag */ 3803fa9e4066Sahrens CB_REV, /* version */ 3804feb08c6bSbillm nodev, /* async read */ 3805feb08c6bSbillm nodev, /* async write */ 3806fa9e4066Sahrens }; 3807fa9e4066Sahrens 3808fa9e4066Sahrens static struct dev_ops zfs_dev_ops = { 3809fa9e4066Sahrens DEVO_REV, /* version */ 3810fa9e4066Sahrens 0, /* refcnt */ 3811fa9e4066Sahrens zfs_info, /* info */ 3812fa9e4066Sahrens nulldev, /* identify */ 3813fa9e4066Sahrens nulldev, /* probe */ 3814fa9e4066Sahrens zfs_attach, /* attach */ 3815fa9e4066Sahrens zfs_detach, /* detach */ 3816fa9e4066Sahrens nodev, /* reset */ 3817fa9e4066Sahrens &zfs_cb_ops, /* driver operations */ 381819397407SSherry Moore NULL, /* no bus operations */ 381919397407SSherry Moore NULL, /* power */ 382019397407SSherry Moore ddi_quiesce_not_needed, /* quiesce */ 3821fa9e4066Sahrens }; 3822fa9e4066Sahrens 3823fa9e4066Sahrens static struct modldrv zfs_modldrv = { 382419397407SSherry Moore &mod_driverops, 382519397407SSherry Moore "ZFS storage pool", 382619397407SSherry Moore &zfs_dev_ops 3827fa9e4066Sahrens }; 3828fa9e4066Sahrens 3829fa9e4066Sahrens static struct modlinkage modlinkage = { 3830fa9e4066Sahrens MODREV_1, 3831fa9e4066Sahrens (void *)&zfs_modlfs, 3832fa9e4066Sahrens (void *)&zfs_modldrv, 3833fa9e4066Sahrens NULL 3834fa9e4066Sahrens }; 3835fa9e4066Sahrens 3836ec533521Sfr 3837ec533521Sfr uint_t zfs_fsyncer_key; 3838f18faf3fSek extern uint_t rrw_tsd_key; 3839ec533521Sfr 3840fa9e4066Sahrens int 3841fa9e4066Sahrens _init(void) 3842fa9e4066Sahrens { 3843fa9e4066Sahrens int error; 3844fa9e4066Sahrens 3845a0965f35Sbonwick spa_init(FREAD | FWRITE); 3846a0965f35Sbonwick zfs_init(); 3847a0965f35Sbonwick zvol_init(); 3848a0965f35Sbonwick 3849a0965f35Sbonwick if ((error = mod_install(&modlinkage)) != 0) { 3850a0965f35Sbonwick zvol_fini(); 3851a0965f35Sbonwick zfs_fini(); 3852a0965f35Sbonwick spa_fini(); 3853fa9e4066Sahrens return (error); 3854a0965f35Sbonwick } 3855fa9e4066Sahrens 3856ec533521Sfr tsd_create(&zfs_fsyncer_key, NULL); 3857f18faf3fSek tsd_create(&rrw_tsd_key, NULL); 3858ec533521Sfr 3859fa9e4066Sahrens error = ldi_ident_from_mod(&modlinkage, &zfs_li); 3860fa9e4066Sahrens ASSERT(error == 0); 3861ecd6cf80Smarks mutex_init(&zfs_share_lock, NULL, MUTEX_DEFAULT, NULL); 3862fa9e4066Sahrens 3863fa9e4066Sahrens return (0); 3864fa9e4066Sahrens } 3865fa9e4066Sahrens 3866fa9e4066Sahrens int 3867fa9e4066Sahrens _fini(void) 3868fa9e4066Sahrens { 3869fa9e4066Sahrens int error; 3870fa9e4066Sahrens 3871ea8dc4b6Seschrock if (spa_busy() || zfs_busy() || zvol_busy() || zio_injection_enabled) 3872fa9e4066Sahrens return (EBUSY); 3873fa9e4066Sahrens 3874fa9e4066Sahrens if ((error = mod_remove(&modlinkage)) != 0) 3875fa9e4066Sahrens return (error); 3876fa9e4066Sahrens 3877fa9e4066Sahrens zvol_fini(); 3878fa9e4066Sahrens zfs_fini(); 3879fa9e4066Sahrens spa_fini(); 3880da6c28aaSamw if (zfs_nfsshare_inited) 3881ecd6cf80Smarks (void) ddi_modclose(nfs_mod); 3882da6c28aaSamw if (zfs_smbshare_inited) 3883da6c28aaSamw (void) ddi_modclose(smbsrv_mod); 3884da6c28aaSamw if (zfs_nfsshare_inited || zfs_smbshare_inited) 3885ecd6cf80Smarks (void) ddi_modclose(sharefs_mod); 3886fa9e4066Sahrens 3887ec533521Sfr tsd_destroy(&zfs_fsyncer_key); 3888fa9e4066Sahrens ldi_ident_release(zfs_li); 3889fa9e4066Sahrens zfs_li = NULL; 3890ecd6cf80Smarks mutex_destroy(&zfs_share_lock); 3891fa9e4066Sahrens 3892fa9e4066Sahrens return (error); 3893fa9e4066Sahrens } 3894fa9e4066Sahrens 3895fa9e4066Sahrens int 3896fa9e4066Sahrens _info(struct modinfo *modinfop) 3897fa9e4066Sahrens { 3898fa9e4066Sahrens return (mod_info(&modlinkage, modinfop)); 3899fa9e4066Sahrens } 3900