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 /* 2255434c77Sek * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens #pragma ident "%Z%%M% %I% %E% SMI" 27fa9e4066Sahrens 28fa9e4066Sahrens #include <sys/types.h> 29fa9e4066Sahrens #include <sys/param.h> 30fa9e4066Sahrens #include <sys/errno.h> 31fa9e4066Sahrens #include <sys/uio.h> 32fa9e4066Sahrens #include <sys/buf.h> 33fa9e4066Sahrens #include <sys/modctl.h> 34fa9e4066Sahrens #include <sys/open.h> 35fa9e4066Sahrens #include <sys/file.h> 36fa9e4066Sahrens #include <sys/kmem.h> 37fa9e4066Sahrens #include <sys/conf.h> 38fa9e4066Sahrens #include <sys/cmn_err.h> 39fa9e4066Sahrens #include <sys/stat.h> 40fa9e4066Sahrens #include <sys/zfs_ioctl.h> 41*da6c28aaSamw #include <sys/zfs_i18n.h> 42*da6c28aaSamw #include <sys/zfs_znode.h> 43fa9e4066Sahrens #include <sys/zap.h> 44fa9e4066Sahrens #include <sys/spa.h> 45b1b8ab34Slling #include <sys/spa_impl.h> 46fa9e4066Sahrens #include <sys/vdev.h> 47b1b8ab34Slling #include <sys/vdev_impl.h> 48fa9e4066Sahrens #include <sys/dmu.h> 49fa9e4066Sahrens #include <sys/dsl_dir.h> 50fa9e4066Sahrens #include <sys/dsl_dataset.h> 51fa9e4066Sahrens #include <sys/dsl_prop.h> 52ecd6cf80Smarks #include <sys/dsl_deleg.h> 53ecd6cf80Smarks #include <sys/dmu_objset.h> 54fa9e4066Sahrens #include <sys/ddi.h> 55fa9e4066Sahrens #include <sys/sunddi.h> 56fa9e4066Sahrens #include <sys/sunldi.h> 57fa9e4066Sahrens #include <sys/policy.h> 58fa9e4066Sahrens #include <sys/zone.h> 59fa9e4066Sahrens #include <sys/nvpair.h> 60fa9e4066Sahrens #include <sys/pathname.h> 61fa9e4066Sahrens #include <sys/mount.h> 62fa9e4066Sahrens #include <sys/sdt.h> 63fa9e4066Sahrens #include <sys/fs/zfs.h> 64fa9e4066Sahrens #include <sys/zfs_ctldir.h> 65*da6c28aaSamw #include <sys/zfs_dir.h> 66a2eea2e1Sahrens #include <sys/zvol.h> 67ecd6cf80Smarks #include <sharefs/share.h> 68e7437265Sahrens #include <sys/zfs_znode.h> 69f18faf3fSek #include <sys/zfs_vfsops.h> 70f18faf3fSek #include <sys/dmu_objset.h> 71fa9e4066Sahrens 72fa9e4066Sahrens #include "zfs_namecheck.h" 73e9dbad6fSeschrock #include "zfs_prop.h" 74ecd6cf80Smarks #include "zfs_deleg.h" 75fa9e4066Sahrens 76fa9e4066Sahrens extern struct modlfs zfs_modlfs; 77fa9e4066Sahrens 78fa9e4066Sahrens extern void zfs_init(void); 79fa9e4066Sahrens extern void zfs_fini(void); 80fa9e4066Sahrens 81fa9e4066Sahrens ldi_ident_t zfs_li = NULL; 82fa9e4066Sahrens dev_info_t *zfs_dip; 83fa9e4066Sahrens 84fa9e4066Sahrens typedef int zfs_ioc_func_t(zfs_cmd_t *); 85ecd6cf80Smarks typedef int zfs_secpolicy_func_t(zfs_cmd_t *, cred_t *); 86fa9e4066Sahrens 87fa9e4066Sahrens typedef struct zfs_ioc_vec { 88fa9e4066Sahrens zfs_ioc_func_t *zvec_func; 89fa9e4066Sahrens zfs_secpolicy_func_t *zvec_secpolicy; 90fa9e4066Sahrens enum { 91e7437265Sahrens NO_NAME, 92e7437265Sahrens POOL_NAME, 93e7437265Sahrens DATASET_NAME 94ecd6cf80Smarks } zvec_namecheck; 95ecd6cf80Smarks boolean_t zvec_his_log; 96fa9e4066Sahrens } zfs_ioc_vec_t; 97fa9e4066Sahrens 98fa9e4066Sahrens /* _NOTE(PRINTFLIKE(4)) - this is printf-like, but lint is too whiney */ 99fa9e4066Sahrens void 100fa9e4066Sahrens __dprintf(const char *file, const char *func, int line, const char *fmt, ...) 101fa9e4066Sahrens { 102fa9e4066Sahrens const char *newfile; 103fa9e4066Sahrens char buf[256]; 104fa9e4066Sahrens va_list adx; 105fa9e4066Sahrens 106fa9e4066Sahrens /* 107fa9e4066Sahrens * Get rid of annoying "../common/" prefix to filename. 108fa9e4066Sahrens */ 109fa9e4066Sahrens newfile = strrchr(file, '/'); 110fa9e4066Sahrens if (newfile != NULL) { 111fa9e4066Sahrens newfile = newfile + 1; /* Get rid of leading / */ 112fa9e4066Sahrens } else { 113fa9e4066Sahrens newfile = file; 114fa9e4066Sahrens } 115fa9e4066Sahrens 116fa9e4066Sahrens va_start(adx, fmt); 117fa9e4066Sahrens (void) vsnprintf(buf, sizeof (buf), fmt, adx); 118fa9e4066Sahrens va_end(adx); 119fa9e4066Sahrens 120fa9e4066Sahrens /* 121fa9e4066Sahrens * To get this data, use the zfs-dprintf probe as so: 122fa9e4066Sahrens * dtrace -q -n 'zfs-dprintf \ 123fa9e4066Sahrens * /stringof(arg0) == "dbuf.c"/ \ 124fa9e4066Sahrens * {printf("%s: %s", stringof(arg1), stringof(arg3))}' 125fa9e4066Sahrens * arg0 = file name 126fa9e4066Sahrens * arg1 = function name 127fa9e4066Sahrens * arg2 = line number 128fa9e4066Sahrens * arg3 = message 129fa9e4066Sahrens */ 130fa9e4066Sahrens DTRACE_PROBE4(zfs__dprintf, 131fa9e4066Sahrens char *, newfile, char *, func, int, line, char *, buf); 132fa9e4066Sahrens } 133fa9e4066Sahrens 134ecd6cf80Smarks static void 135228975ccSek history_str_free(char *buf) 136228975ccSek { 137228975ccSek kmem_free(buf, HIS_MAX_RECORD_LEN); 138228975ccSek } 139228975ccSek 140228975ccSek static char * 141228975ccSek history_str_get(zfs_cmd_t *zc) 142ecd6cf80Smarks { 14340feaa91Sahrens char *buf; 144ecd6cf80Smarks 145ecd6cf80Smarks if (zc->zc_history == NULL) 146228975ccSek return (NULL); 147e7437265Sahrens 148ecd6cf80Smarks buf = kmem_alloc(HIS_MAX_RECORD_LEN, KM_SLEEP); 149ecd6cf80Smarks if (copyinstr((void *)(uintptr_t)zc->zc_history, 150ecd6cf80Smarks buf, HIS_MAX_RECORD_LEN, NULL) != 0) { 151228975ccSek history_str_free(buf); 152228975ccSek return (NULL); 153ecd6cf80Smarks } 154ecd6cf80Smarks 155ecd6cf80Smarks buf[HIS_MAX_RECORD_LEN -1] = '\0'; 156ecd6cf80Smarks 157228975ccSek return (buf); 158228975ccSek } 159ecd6cf80Smarks 160*da6c28aaSamw static int 161*da6c28aaSamw zfs_check_version(const char *name, int version) 162*da6c28aaSamw { 163*da6c28aaSamw 164*da6c28aaSamw spa_t *spa; 165*da6c28aaSamw 166*da6c28aaSamw if (spa_open(name, &spa, FTAG) == 0) { 167*da6c28aaSamw if (spa_version(spa) < version) { 168*da6c28aaSamw spa_close(spa, FTAG); 169*da6c28aaSamw return (1); 170*da6c28aaSamw } 171*da6c28aaSamw spa_close(spa, FTAG); 172*da6c28aaSamw } 173*da6c28aaSamw return (0); 174*da6c28aaSamw } 175*da6c28aaSamw 176228975ccSek static void 177228975ccSek zfs_log_history(zfs_cmd_t *zc) 178228975ccSek { 179228975ccSek spa_t *spa; 180228975ccSek char *buf; 181ecd6cf80Smarks 182228975ccSek if ((buf = history_str_get(zc)) == NULL) 183228975ccSek return; 184228975ccSek 185228975ccSek if (spa_open(zc->zc_name, &spa, FTAG) == 0) { 186228975ccSek if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY) 187228975ccSek (void) spa_history_log(spa, buf, LOG_CMD_NORMAL); 188228975ccSek spa_close(spa, FTAG); 189228975ccSek } 190228975ccSek history_str_free(buf); 191ecd6cf80Smarks } 192ecd6cf80Smarks 193fa9e4066Sahrens /* 194fa9e4066Sahrens * Policy for top-level read operations (list pools). Requires no privileges, 195fa9e4066Sahrens * and can be used in the local zone, as there is no associated dataset. 196fa9e4066Sahrens */ 197fa9e4066Sahrens /* ARGSUSED */ 198fa9e4066Sahrens static int 199ecd6cf80Smarks zfs_secpolicy_none(zfs_cmd_t *zc, cred_t *cr) 200fa9e4066Sahrens { 201fa9e4066Sahrens return (0); 202fa9e4066Sahrens } 203fa9e4066Sahrens 204fa9e4066Sahrens /* 205fa9e4066Sahrens * Policy for dataset read operations (list children, get statistics). Requires 206fa9e4066Sahrens * no privileges, but must be visible in the local zone. 207fa9e4066Sahrens */ 208fa9e4066Sahrens /* ARGSUSED */ 209fa9e4066Sahrens static int 210ecd6cf80Smarks zfs_secpolicy_read(zfs_cmd_t *zc, cred_t *cr) 211fa9e4066Sahrens { 212fa9e4066Sahrens if (INGLOBALZONE(curproc) || 213ecd6cf80Smarks zone_dataset_visible(zc->zc_name, NULL)) 214fa9e4066Sahrens return (0); 215fa9e4066Sahrens 216fa9e4066Sahrens return (ENOENT); 217fa9e4066Sahrens } 218fa9e4066Sahrens 219fa9e4066Sahrens static int 220fa9e4066Sahrens zfs_dozonecheck(const char *dataset, cred_t *cr) 221fa9e4066Sahrens { 222fa9e4066Sahrens uint64_t zoned; 223fa9e4066Sahrens int writable = 1; 224fa9e4066Sahrens 225fa9e4066Sahrens /* 226fa9e4066Sahrens * The dataset must be visible by this zone -- check this first 227fa9e4066Sahrens * so they don't see EPERM on something they shouldn't know about. 228fa9e4066Sahrens */ 229fa9e4066Sahrens if (!INGLOBALZONE(curproc) && 230fa9e4066Sahrens !zone_dataset_visible(dataset, &writable)) 231fa9e4066Sahrens return (ENOENT); 232fa9e4066Sahrens 233fa9e4066Sahrens if (dsl_prop_get_integer(dataset, "zoned", &zoned, NULL)) 234fa9e4066Sahrens return (ENOENT); 235fa9e4066Sahrens 236fa9e4066Sahrens if (INGLOBALZONE(curproc)) { 237fa9e4066Sahrens /* 238fa9e4066Sahrens * If the fs is zoned, only root can access it from the 239fa9e4066Sahrens * global zone. 240fa9e4066Sahrens */ 241fa9e4066Sahrens if (secpolicy_zfs(cr) && zoned) 242fa9e4066Sahrens return (EPERM); 243fa9e4066Sahrens } else { 244fa9e4066Sahrens /* 245fa9e4066Sahrens * If we are in a local zone, the 'zoned' property must be set. 246fa9e4066Sahrens */ 247fa9e4066Sahrens if (!zoned) 248fa9e4066Sahrens return (EPERM); 249fa9e4066Sahrens 250fa9e4066Sahrens /* must be writable by this zone */ 251fa9e4066Sahrens if (!writable) 252fa9e4066Sahrens return (EPERM); 253fa9e4066Sahrens } 254fa9e4066Sahrens return (0); 255fa9e4066Sahrens } 256fa9e4066Sahrens 257fa9e4066Sahrens int 258ecd6cf80Smarks zfs_secpolicy_write_perms(const char *name, const char *perm, cred_t *cr) 259fa9e4066Sahrens { 260fa9e4066Sahrens int error; 261fa9e4066Sahrens 262ecd6cf80Smarks error = zfs_dozonecheck(name, cr); 263ecd6cf80Smarks if (error == 0) { 264ecd6cf80Smarks error = secpolicy_zfs(cr); 265db870a07Sahrens if (error) 266ecd6cf80Smarks error = dsl_deleg_access(name, perm, cr); 267ecd6cf80Smarks } 268ecd6cf80Smarks return (error); 269ecd6cf80Smarks } 270ecd6cf80Smarks 271ecd6cf80Smarks static int 272ecd6cf80Smarks zfs_secpolicy_setprop(const char *name, zfs_prop_t prop, cred_t *cr) 273ecd6cf80Smarks { 274ecd6cf80Smarks /* 275ecd6cf80Smarks * Check permissions for special properties. 276ecd6cf80Smarks */ 277ecd6cf80Smarks switch (prop) { 278ecd6cf80Smarks case ZFS_PROP_ZONED: 279ecd6cf80Smarks /* 280ecd6cf80Smarks * Disallow setting of 'zoned' from within a local zone. 281ecd6cf80Smarks */ 282ecd6cf80Smarks if (!INGLOBALZONE(curproc)) 283ecd6cf80Smarks return (EPERM); 284ecd6cf80Smarks break; 285ecd6cf80Smarks 286ecd6cf80Smarks case ZFS_PROP_QUOTA: 287ecd6cf80Smarks if (!INGLOBALZONE(curproc)) { 288ecd6cf80Smarks uint64_t zoned; 289ecd6cf80Smarks char setpoint[MAXNAMELEN]; 290ecd6cf80Smarks /* 291ecd6cf80Smarks * Unprivileged users are allowed to modify the 292ecd6cf80Smarks * quota on things *under* (ie. contained by) 293ecd6cf80Smarks * the thing they own. 294ecd6cf80Smarks */ 295ecd6cf80Smarks if (dsl_prop_get_integer(name, "zoned", &zoned, 296ecd6cf80Smarks setpoint)) 297ecd6cf80Smarks return (EPERM); 298db870a07Sahrens if (!zoned || strlen(name) <= strlen(setpoint)) 299ecd6cf80Smarks return (EPERM); 300ecd6cf80Smarks } 301db870a07Sahrens break; 302ecd6cf80Smarks } 303ecd6cf80Smarks 30491ebeef5Sahrens return (zfs_secpolicy_write_perms(name, zfs_prop_to_name(prop), cr)); 305ecd6cf80Smarks } 306ecd6cf80Smarks 307ecd6cf80Smarks int 308ecd6cf80Smarks zfs_secpolicy_fsacl(zfs_cmd_t *zc, cred_t *cr) 309ecd6cf80Smarks { 310ecd6cf80Smarks int error; 311ecd6cf80Smarks 312ecd6cf80Smarks error = zfs_dozonecheck(zc->zc_name, cr); 313ecd6cf80Smarks if (error) 314fa9e4066Sahrens return (error); 315fa9e4066Sahrens 316ecd6cf80Smarks /* 317ecd6cf80Smarks * permission to set permissions will be evaluated later in 318ecd6cf80Smarks * dsl_deleg_can_allow() 319ecd6cf80Smarks */ 320ecd6cf80Smarks return (0); 321ecd6cf80Smarks } 322ecd6cf80Smarks 323ecd6cf80Smarks int 324ecd6cf80Smarks zfs_secpolicy_rollback(zfs_cmd_t *zc, cred_t *cr) 325ecd6cf80Smarks { 326ecd6cf80Smarks int error; 327ecd6cf80Smarks error = zfs_secpolicy_write_perms(zc->zc_name, 328ecd6cf80Smarks ZFS_DELEG_PERM_ROLLBACK, cr); 329ecd6cf80Smarks if (error == 0) 330ecd6cf80Smarks error = zfs_secpolicy_write_perms(zc->zc_name, 331ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr); 332ecd6cf80Smarks return (error); 333ecd6cf80Smarks } 334ecd6cf80Smarks 335ecd6cf80Smarks int 336ecd6cf80Smarks zfs_secpolicy_send(zfs_cmd_t *zc, cred_t *cr) 337ecd6cf80Smarks { 338ecd6cf80Smarks return (zfs_secpolicy_write_perms(zc->zc_name, 339ecd6cf80Smarks ZFS_DELEG_PERM_SEND, cr)); 340ecd6cf80Smarks } 341ecd6cf80Smarks 342ecd6cf80Smarks int 343ecd6cf80Smarks zfs_secpolicy_share(zfs_cmd_t *zc, cred_t *cr) 344ecd6cf80Smarks { 345ecd6cf80Smarks if (!INGLOBALZONE(curproc)) 346ecd6cf80Smarks return (EPERM); 347ecd6cf80Smarks 348ecd6cf80Smarks if (secpolicy_nfs(CRED()) == 0) { 349ecd6cf80Smarks return (0); 350ecd6cf80Smarks } else { 351ecd6cf80Smarks vnode_t *vp; 352ecd6cf80Smarks int error; 353ecd6cf80Smarks 354ecd6cf80Smarks if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, 355ecd6cf80Smarks NO_FOLLOW, NULL, &vp)) != 0) 356ecd6cf80Smarks return (error); 357ecd6cf80Smarks 358ecd6cf80Smarks /* Now make sure mntpnt and dataset are ZFS */ 359ecd6cf80Smarks 360ecd6cf80Smarks if (vp->v_vfsp->vfs_fstype != zfsfstype || 361ecd6cf80Smarks (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), 362ecd6cf80Smarks zc->zc_name) != 0)) { 363ecd6cf80Smarks VN_RELE(vp); 364ecd6cf80Smarks return (EPERM); 365ecd6cf80Smarks } 366ecd6cf80Smarks 367ecd6cf80Smarks VN_RELE(vp); 368ecd6cf80Smarks return (dsl_deleg_access(zc->zc_name, 369ecd6cf80Smarks ZFS_DELEG_PERM_SHARE, cr)); 370ecd6cf80Smarks } 371fa9e4066Sahrens } 372fa9e4066Sahrens 373fa9e4066Sahrens static int 374ecd6cf80Smarks zfs_get_parent(const char *datasetname, char *parent, int parentsize) 375fa9e4066Sahrens { 376fa9e4066Sahrens char *cp; 377fa9e4066Sahrens 378fa9e4066Sahrens /* 379fa9e4066Sahrens * Remove the @bla or /bla from the end of the name to get the parent. 380fa9e4066Sahrens */ 381ecd6cf80Smarks (void) strncpy(parent, datasetname, parentsize); 382ecd6cf80Smarks cp = strrchr(parent, '@'); 383fa9e4066Sahrens if (cp != NULL) { 384fa9e4066Sahrens cp[0] = '\0'; 385fa9e4066Sahrens } else { 386ecd6cf80Smarks cp = strrchr(parent, '/'); 387fa9e4066Sahrens if (cp == NULL) 388fa9e4066Sahrens return (ENOENT); 389fa9e4066Sahrens cp[0] = '\0'; 390ecd6cf80Smarks } 391ecd6cf80Smarks 392ecd6cf80Smarks return (0); 393ecd6cf80Smarks } 394ecd6cf80Smarks 395ecd6cf80Smarks int 396ecd6cf80Smarks zfs_secpolicy_destroy_perms(const char *name, cred_t *cr) 397ecd6cf80Smarks { 398ecd6cf80Smarks int error; 399ecd6cf80Smarks 400ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(name, 401ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 402ecd6cf80Smarks return (error); 403ecd6cf80Smarks 404ecd6cf80Smarks return (zfs_secpolicy_write_perms(name, ZFS_DELEG_PERM_DESTROY, cr)); 405ecd6cf80Smarks } 406ecd6cf80Smarks 407ecd6cf80Smarks static int 408ecd6cf80Smarks zfs_secpolicy_destroy(zfs_cmd_t *zc, cred_t *cr) 409ecd6cf80Smarks { 410ecd6cf80Smarks return (zfs_secpolicy_destroy_perms(zc->zc_name, cr)); 411ecd6cf80Smarks } 412ecd6cf80Smarks 413ecd6cf80Smarks /* 414ecd6cf80Smarks * Must have sys_config privilege to check the iscsi permission 415ecd6cf80Smarks */ 416ecd6cf80Smarks /* ARGSUSED */ 417ecd6cf80Smarks static int 418ecd6cf80Smarks zfs_secpolicy_iscsi(zfs_cmd_t *zc, cred_t *cr) 419ecd6cf80Smarks { 420ecd6cf80Smarks return (secpolicy_zfs(cr)); 421ecd6cf80Smarks } 422ecd6cf80Smarks 423ecd6cf80Smarks int 424ecd6cf80Smarks zfs_secpolicy_rename_perms(const char *from, const char *to, cred_t *cr) 425ecd6cf80Smarks { 426ecd6cf80Smarks char parentname[MAXNAMELEN]; 427ecd6cf80Smarks int error; 428ecd6cf80Smarks 429ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(from, 430ecd6cf80Smarks ZFS_DELEG_PERM_RENAME, cr)) != 0) 431ecd6cf80Smarks return (error); 432ecd6cf80Smarks 433ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(from, 434ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 435ecd6cf80Smarks return (error); 436ecd6cf80Smarks 437ecd6cf80Smarks if ((error = zfs_get_parent(to, parentname, 438ecd6cf80Smarks sizeof (parentname))) != 0) 439ecd6cf80Smarks return (error); 440ecd6cf80Smarks 441ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(parentname, 442ecd6cf80Smarks ZFS_DELEG_PERM_CREATE, cr)) != 0) 443ecd6cf80Smarks return (error); 444ecd6cf80Smarks 445ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(parentname, 446ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 447ecd6cf80Smarks return (error); 448ecd6cf80Smarks 449ecd6cf80Smarks return (error); 450ecd6cf80Smarks } 451ecd6cf80Smarks 452ecd6cf80Smarks static int 453ecd6cf80Smarks zfs_secpolicy_rename(zfs_cmd_t *zc, cred_t *cr) 454ecd6cf80Smarks { 455ecd6cf80Smarks return (zfs_secpolicy_rename_perms(zc->zc_name, zc->zc_value, cr)); 456ecd6cf80Smarks } 457ecd6cf80Smarks 458ecd6cf80Smarks static int 459ecd6cf80Smarks zfs_secpolicy_promote(zfs_cmd_t *zc, cred_t *cr) 460ecd6cf80Smarks { 461ecd6cf80Smarks char parentname[MAXNAMELEN]; 462ecd6cf80Smarks objset_t *clone; 463ecd6cf80Smarks int error; 464ecd6cf80Smarks 465ecd6cf80Smarks error = zfs_secpolicy_write_perms(zc->zc_name, 466ecd6cf80Smarks ZFS_DELEG_PERM_PROMOTE, cr); 467ecd6cf80Smarks if (error) 468ecd6cf80Smarks return (error); 469ecd6cf80Smarks 470ecd6cf80Smarks error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, 471ecd6cf80Smarks DS_MODE_STANDARD | DS_MODE_READONLY, &clone); 472ecd6cf80Smarks 473ecd6cf80Smarks if (error == 0) { 474ecd6cf80Smarks dsl_dataset_t *pclone = NULL; 475ecd6cf80Smarks dsl_dir_t *dd; 476ecd6cf80Smarks dd = clone->os->os_dsl_dataset->ds_dir; 477ecd6cf80Smarks 478ecd6cf80Smarks rw_enter(&dd->dd_pool->dp_config_rwlock, RW_READER); 479ecd6cf80Smarks error = dsl_dataset_open_obj(dd->dd_pool, 480ecd6cf80Smarks dd->dd_phys->dd_clone_parent_obj, NULL, 481ecd6cf80Smarks DS_MODE_NONE, FTAG, &pclone); 482ecd6cf80Smarks rw_exit(&dd->dd_pool->dp_config_rwlock); 483ecd6cf80Smarks if (error) { 484ecd6cf80Smarks dmu_objset_close(clone); 485ecd6cf80Smarks return (error); 486ecd6cf80Smarks } 487ecd6cf80Smarks 488ecd6cf80Smarks error = zfs_secpolicy_write_perms(zc->zc_name, 489ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr); 490ecd6cf80Smarks 491ecd6cf80Smarks dsl_dataset_name(pclone, parentname); 492ecd6cf80Smarks dmu_objset_close(clone); 493ecd6cf80Smarks dsl_dataset_close(pclone, DS_MODE_NONE, FTAG); 494ecd6cf80Smarks if (error == 0) 495ecd6cf80Smarks error = zfs_secpolicy_write_perms(parentname, 496ecd6cf80Smarks ZFS_DELEG_PERM_PROMOTE, cr); 497ecd6cf80Smarks } 498ecd6cf80Smarks return (error); 499ecd6cf80Smarks } 500ecd6cf80Smarks 501ecd6cf80Smarks static int 502ecd6cf80Smarks zfs_secpolicy_receive(zfs_cmd_t *zc, cred_t *cr) 503ecd6cf80Smarks { 504ecd6cf80Smarks int error; 505ecd6cf80Smarks 506ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(zc->zc_name, 507ecd6cf80Smarks ZFS_DELEG_PERM_RECEIVE, cr)) != 0) 508ecd6cf80Smarks return (error); 509ecd6cf80Smarks 510ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(zc->zc_name, 511ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 512ecd6cf80Smarks return (error); 513ecd6cf80Smarks 514ecd6cf80Smarks return (zfs_secpolicy_write_perms(zc->zc_name, 515ecd6cf80Smarks ZFS_DELEG_PERM_CREATE, cr)); 516ecd6cf80Smarks } 517ecd6cf80Smarks 518ecd6cf80Smarks int 519ecd6cf80Smarks zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr) 520ecd6cf80Smarks { 521ecd6cf80Smarks int error; 522ecd6cf80Smarks 523ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(name, 524ecd6cf80Smarks ZFS_DELEG_PERM_SNAPSHOT, cr)) != 0) 525ecd6cf80Smarks return (error); 526ecd6cf80Smarks 527ecd6cf80Smarks error = zfs_secpolicy_write_perms(name, 528ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr); 529ecd6cf80Smarks 530ecd6cf80Smarks return (error); 531ecd6cf80Smarks } 532ecd6cf80Smarks 533ecd6cf80Smarks static int 534ecd6cf80Smarks zfs_secpolicy_snapshot(zfs_cmd_t *zc, cred_t *cr) 535ecd6cf80Smarks { 536ecd6cf80Smarks 537ecd6cf80Smarks return (zfs_secpolicy_snapshot_perms(zc->zc_name, cr)); 538ecd6cf80Smarks } 539ecd6cf80Smarks 540ecd6cf80Smarks static int 541ecd6cf80Smarks zfs_secpolicy_create(zfs_cmd_t *zc, cred_t *cr) 542ecd6cf80Smarks { 543ecd6cf80Smarks char parentname[MAXNAMELEN]; 544ecd6cf80Smarks int error; 545ecd6cf80Smarks 546ecd6cf80Smarks if ((error = zfs_get_parent(zc->zc_name, parentname, 547ecd6cf80Smarks sizeof (parentname))) != 0) 548ecd6cf80Smarks return (error); 549fa9e4066Sahrens 550ecd6cf80Smarks if (zc->zc_value[0] != '\0') { 551ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(zc->zc_value, 552ecd6cf80Smarks ZFS_DELEG_PERM_CLONE, cr)) != 0) 553ecd6cf80Smarks return (error); 554fa9e4066Sahrens } 555fa9e4066Sahrens 556ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(parentname, 557ecd6cf80Smarks ZFS_DELEG_PERM_CREATE, cr)) != 0) 558ecd6cf80Smarks return (error); 559ecd6cf80Smarks 560ecd6cf80Smarks error = zfs_secpolicy_write_perms(parentname, 561ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr); 562ecd6cf80Smarks 563ecd6cf80Smarks return (error); 564ecd6cf80Smarks } 565ecd6cf80Smarks 566ecd6cf80Smarks static int 567ecd6cf80Smarks zfs_secpolicy_umount(zfs_cmd_t *zc, cred_t *cr) 568ecd6cf80Smarks { 569ecd6cf80Smarks int error; 570ecd6cf80Smarks 571ecd6cf80Smarks error = secpolicy_fs_unmount(cr, NULL); 572ecd6cf80Smarks if (error) { 573ecd6cf80Smarks error = dsl_deleg_access(zc->zc_name, ZFS_DELEG_PERM_MOUNT, cr); 574ecd6cf80Smarks } 575ecd6cf80Smarks return (error); 576fa9e4066Sahrens } 577fa9e4066Sahrens 578fa9e4066Sahrens /* 579fa9e4066Sahrens * Policy for pool operations - create/destroy pools, add vdevs, etc. Requires 580fa9e4066Sahrens * SYS_CONFIG privilege, which is not available in a local zone. 581fa9e4066Sahrens */ 582fa9e4066Sahrens /* ARGSUSED */ 583fa9e4066Sahrens static int 584ecd6cf80Smarks zfs_secpolicy_config(zfs_cmd_t *zc, cred_t *cr) 585fa9e4066Sahrens { 586fa9e4066Sahrens if (secpolicy_sys_config(cr, B_FALSE) != 0) 587fa9e4066Sahrens return (EPERM); 588fa9e4066Sahrens 589fa9e4066Sahrens return (0); 590fa9e4066Sahrens } 591fa9e4066Sahrens 592ecd6cf80Smarks /* 593ecd6cf80Smarks * Just like zfs_secpolicy_config, except that we will check for 594ecd6cf80Smarks * mount permission on the dataset for permission to create/remove 595ecd6cf80Smarks * the minor nodes. 596ecd6cf80Smarks */ 597ecd6cf80Smarks static int 598ecd6cf80Smarks zfs_secpolicy_minor(zfs_cmd_t *zc, cred_t *cr) 599ecd6cf80Smarks { 600ecd6cf80Smarks if (secpolicy_sys_config(cr, B_FALSE) != 0) { 601ecd6cf80Smarks return (dsl_deleg_access(zc->zc_name, 602ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)); 603ecd6cf80Smarks } 604ecd6cf80Smarks 605ecd6cf80Smarks return (0); 606ecd6cf80Smarks } 607ecd6cf80Smarks 608ea8dc4b6Seschrock /* 609ea8dc4b6Seschrock * Policy for fault injection. Requires all privileges. 610ea8dc4b6Seschrock */ 611ea8dc4b6Seschrock /* ARGSUSED */ 612ea8dc4b6Seschrock static int 613ecd6cf80Smarks zfs_secpolicy_inject(zfs_cmd_t *zc, cred_t *cr) 614ea8dc4b6Seschrock { 615ea8dc4b6Seschrock return (secpolicy_zinject(cr)); 616ea8dc4b6Seschrock } 617ea8dc4b6Seschrock 618e45ce728Sahrens static int 619e45ce728Sahrens zfs_secpolicy_inherit(zfs_cmd_t *zc, cred_t *cr) 620e45ce728Sahrens { 621e45ce728Sahrens zfs_prop_t prop = zfs_name_to_prop(zc->zc_value); 622e45ce728Sahrens 623990b4856Slling if (prop == ZPROP_INVAL) { 624e45ce728Sahrens if (!zfs_prop_user(zc->zc_value)) 625e45ce728Sahrens return (EINVAL); 626e45ce728Sahrens return (zfs_secpolicy_write_perms(zc->zc_name, 627e45ce728Sahrens ZFS_DELEG_PERM_USERPROP, cr)); 628e45ce728Sahrens } else { 629e45ce728Sahrens if (!zfs_prop_inheritable(prop)) 630e45ce728Sahrens return (EINVAL); 631e45ce728Sahrens return (zfs_secpolicy_setprop(zc->zc_name, prop, cr)); 632e45ce728Sahrens } 633e45ce728Sahrens } 634e45ce728Sahrens 635fa9e4066Sahrens /* 636fa9e4066Sahrens * Returns the nvlist as specified by the user in the zfs_cmd_t. 637fa9e4066Sahrens */ 638fa9e4066Sahrens static int 639990b4856Slling get_nvlist(uint64_t nvl, uint64_t size, nvlist_t **nvp) 640fa9e4066Sahrens { 641fa9e4066Sahrens char *packed; 642fa9e4066Sahrens int error; 643990b4856Slling nvlist_t *list = NULL; 644fa9e4066Sahrens 645fa9e4066Sahrens /* 646e9dbad6fSeschrock * Read in and unpack the user-supplied nvlist. 647fa9e4066Sahrens */ 648990b4856Slling if (size == 0) 649fa9e4066Sahrens return (EINVAL); 650fa9e4066Sahrens 651fa9e4066Sahrens packed = kmem_alloc(size, KM_SLEEP); 652fa9e4066Sahrens 653990b4856Slling if ((error = xcopyin((void *)(uintptr_t)nvl, packed, size)) != 0) { 654fa9e4066Sahrens kmem_free(packed, size); 655fa9e4066Sahrens return (error); 656fa9e4066Sahrens } 657fa9e4066Sahrens 658990b4856Slling if ((error = nvlist_unpack(packed, size, &list, 0)) != 0) { 659fa9e4066Sahrens kmem_free(packed, size); 660fa9e4066Sahrens return (error); 661fa9e4066Sahrens } 662fa9e4066Sahrens 663fa9e4066Sahrens kmem_free(packed, size); 664fa9e4066Sahrens 665990b4856Slling *nvp = list; 666fa9e4066Sahrens return (0); 667fa9e4066Sahrens } 668fa9e4066Sahrens 669e9dbad6fSeschrock static int 670e9dbad6fSeschrock put_nvlist(zfs_cmd_t *zc, nvlist_t *nvl) 671e9dbad6fSeschrock { 672e9dbad6fSeschrock char *packed = NULL; 673e9dbad6fSeschrock size_t size; 674e9dbad6fSeschrock int error; 675e9dbad6fSeschrock 676e9dbad6fSeschrock VERIFY(nvlist_size(nvl, &size, NV_ENCODE_NATIVE) == 0); 677e9dbad6fSeschrock 678e9dbad6fSeschrock if (size > zc->zc_nvlist_dst_size) { 679e9dbad6fSeschrock error = ENOMEM; 680e9dbad6fSeschrock } else { 681da165920Smarks packed = kmem_alloc(size, KM_SLEEP); 682e9dbad6fSeschrock VERIFY(nvlist_pack(nvl, &packed, &size, NV_ENCODE_NATIVE, 683e9dbad6fSeschrock KM_SLEEP) == 0); 684e9dbad6fSeschrock error = xcopyout(packed, (void *)(uintptr_t)zc->zc_nvlist_dst, 685e9dbad6fSeschrock size); 686e9dbad6fSeschrock kmem_free(packed, size); 687e9dbad6fSeschrock } 688e9dbad6fSeschrock 689e9dbad6fSeschrock zc->zc_nvlist_dst_size = size; 690e9dbad6fSeschrock return (error); 691e9dbad6fSeschrock } 692e9dbad6fSeschrock 693fa9e4066Sahrens static int 694fa9e4066Sahrens zfs_ioc_pool_create(zfs_cmd_t *zc) 695fa9e4066Sahrens { 696fa9e4066Sahrens int error; 697990b4856Slling nvlist_t *config, *props = NULL; 698228975ccSek char *buf; 699fa9e4066Sahrens 700990b4856Slling if (error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 701990b4856Slling &config)) 702fa9e4066Sahrens return (error); 7032a6b87f0Sek 704990b4856Slling if (zc->zc_nvlist_src_size != 0 && (error = 705990b4856Slling get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, &props))) { 706990b4856Slling nvlist_free(config); 707990b4856Slling return (error); 708990b4856Slling } 709990b4856Slling 7102a6b87f0Sek buf = history_str_get(zc); 711fa9e4066Sahrens 712990b4856Slling error = spa_create(zc->zc_name, config, props, buf); 713fa9e4066Sahrens 7142a6b87f0Sek if (buf != NULL) 7152a6b87f0Sek history_str_free(buf); 716990b4856Slling 717fa9e4066Sahrens nvlist_free(config); 718fa9e4066Sahrens 719990b4856Slling if (props) 720990b4856Slling nvlist_free(props); 721990b4856Slling 722fa9e4066Sahrens return (error); 723fa9e4066Sahrens } 724fa9e4066Sahrens 725fa9e4066Sahrens static int 726fa9e4066Sahrens zfs_ioc_pool_destroy(zfs_cmd_t *zc) 727fa9e4066Sahrens { 728ecd6cf80Smarks int error; 729ecd6cf80Smarks zfs_log_history(zc); 730ecd6cf80Smarks error = spa_destroy(zc->zc_name); 731ecd6cf80Smarks return (error); 732fa9e4066Sahrens } 733fa9e4066Sahrens 734fa9e4066Sahrens static int 735fa9e4066Sahrens zfs_ioc_pool_import(zfs_cmd_t *zc) 736fa9e4066Sahrens { 737fa9e4066Sahrens int error; 738990b4856Slling nvlist_t *config, *props = NULL; 739fa9e4066Sahrens uint64_t guid; 740fa9e4066Sahrens 741990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 742990b4856Slling &config)) != 0) 743990b4856Slling return (error); 744990b4856Slling 745990b4856Slling if (zc->zc_nvlist_src_size != 0 && (error = 746990b4856Slling get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, &props))) { 747990b4856Slling nvlist_free(config); 748fa9e4066Sahrens return (error); 749990b4856Slling } 750fa9e4066Sahrens 751fa9e4066Sahrens if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &guid) != 0 || 752ea8dc4b6Seschrock guid != zc->zc_guid) 753fa9e4066Sahrens error = EINVAL; 754fa9e4066Sahrens else 755990b4856Slling error = spa_import(zc->zc_name, config, props); 756fa9e4066Sahrens 757fa9e4066Sahrens nvlist_free(config); 758fa9e4066Sahrens 759990b4856Slling if (props) 760990b4856Slling nvlist_free(props); 761990b4856Slling 762fa9e4066Sahrens return (error); 763fa9e4066Sahrens } 764fa9e4066Sahrens 765fa9e4066Sahrens static int 766fa9e4066Sahrens zfs_ioc_pool_export(zfs_cmd_t *zc) 767fa9e4066Sahrens { 768ecd6cf80Smarks int error; 769ecd6cf80Smarks zfs_log_history(zc); 770ecd6cf80Smarks error = spa_export(zc->zc_name, NULL); 771ecd6cf80Smarks return (error); 772fa9e4066Sahrens } 773fa9e4066Sahrens 774fa9e4066Sahrens static int 775fa9e4066Sahrens zfs_ioc_pool_configs(zfs_cmd_t *zc) 776fa9e4066Sahrens { 777fa9e4066Sahrens nvlist_t *configs; 778fa9e4066Sahrens int error; 779fa9e4066Sahrens 780fa9e4066Sahrens if ((configs = spa_all_configs(&zc->zc_cookie)) == NULL) 781fa9e4066Sahrens return (EEXIST); 782fa9e4066Sahrens 783e9dbad6fSeschrock error = put_nvlist(zc, configs); 784fa9e4066Sahrens 785fa9e4066Sahrens nvlist_free(configs); 786fa9e4066Sahrens 787fa9e4066Sahrens return (error); 788fa9e4066Sahrens } 789fa9e4066Sahrens 790fa9e4066Sahrens static int 791fa9e4066Sahrens zfs_ioc_pool_stats(zfs_cmd_t *zc) 792fa9e4066Sahrens { 793fa9e4066Sahrens nvlist_t *config; 794fa9e4066Sahrens int error; 795ea8dc4b6Seschrock int ret = 0; 796fa9e4066Sahrens 797e9dbad6fSeschrock error = spa_get_stats(zc->zc_name, &config, zc->zc_value, 798e9dbad6fSeschrock sizeof (zc->zc_value)); 799fa9e4066Sahrens 800fa9e4066Sahrens if (config != NULL) { 801e9dbad6fSeschrock ret = put_nvlist(zc, config); 802fa9e4066Sahrens nvlist_free(config); 803ea8dc4b6Seschrock 804ea8dc4b6Seschrock /* 805ea8dc4b6Seschrock * The config may be present even if 'error' is non-zero. 806ea8dc4b6Seschrock * In this case we return success, and preserve the real errno 807ea8dc4b6Seschrock * in 'zc_cookie'. 808ea8dc4b6Seschrock */ 809ea8dc4b6Seschrock zc->zc_cookie = error; 810fa9e4066Sahrens } else { 811ea8dc4b6Seschrock ret = error; 812fa9e4066Sahrens } 813fa9e4066Sahrens 814ea8dc4b6Seschrock return (ret); 815fa9e4066Sahrens } 816fa9e4066Sahrens 817fa9e4066Sahrens /* 818fa9e4066Sahrens * Try to import the given pool, returning pool stats as appropriate so that 819fa9e4066Sahrens * user land knows which devices are available and overall pool health. 820fa9e4066Sahrens */ 821fa9e4066Sahrens static int 822fa9e4066Sahrens zfs_ioc_pool_tryimport(zfs_cmd_t *zc) 823fa9e4066Sahrens { 824fa9e4066Sahrens nvlist_t *tryconfig, *config; 825fa9e4066Sahrens int error; 826fa9e4066Sahrens 827990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 828990b4856Slling &tryconfig)) != 0) 829fa9e4066Sahrens return (error); 830fa9e4066Sahrens 831fa9e4066Sahrens config = spa_tryimport(tryconfig); 832fa9e4066Sahrens 833fa9e4066Sahrens nvlist_free(tryconfig); 834fa9e4066Sahrens 835fa9e4066Sahrens if (config == NULL) 836fa9e4066Sahrens return (EINVAL); 837fa9e4066Sahrens 838e9dbad6fSeschrock error = put_nvlist(zc, config); 839fa9e4066Sahrens nvlist_free(config); 840fa9e4066Sahrens 841fa9e4066Sahrens return (error); 842fa9e4066Sahrens } 843fa9e4066Sahrens 844fa9e4066Sahrens static int 845fa9e4066Sahrens zfs_ioc_pool_scrub(zfs_cmd_t *zc) 846fa9e4066Sahrens { 847fa9e4066Sahrens spa_t *spa; 848fa9e4066Sahrens int error; 849fa9e4066Sahrens 85006eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 85106eeb2adSek return (error); 85206eeb2adSek 853bb8b5132Sek mutex_enter(&spa_namespace_lock); 85406eeb2adSek error = spa_scrub(spa, zc->zc_cookie, B_FALSE); 855bb8b5132Sek mutex_exit(&spa_namespace_lock); 85606eeb2adSek 85706eeb2adSek spa_close(spa, FTAG); 85806eeb2adSek 859fa9e4066Sahrens return (error); 860fa9e4066Sahrens } 861fa9e4066Sahrens 862fa9e4066Sahrens static int 863fa9e4066Sahrens zfs_ioc_pool_freeze(zfs_cmd_t *zc) 864fa9e4066Sahrens { 865fa9e4066Sahrens spa_t *spa; 866fa9e4066Sahrens int error; 867fa9e4066Sahrens 868fa9e4066Sahrens error = spa_open(zc->zc_name, &spa, FTAG); 869fa9e4066Sahrens if (error == 0) { 870fa9e4066Sahrens spa_freeze(spa); 871fa9e4066Sahrens spa_close(spa, FTAG); 872fa9e4066Sahrens } 873fa9e4066Sahrens return (error); 874fa9e4066Sahrens } 875fa9e4066Sahrens 876eaca9bbdSeschrock static int 877eaca9bbdSeschrock zfs_ioc_pool_upgrade(zfs_cmd_t *zc) 878eaca9bbdSeschrock { 879eaca9bbdSeschrock spa_t *spa; 880eaca9bbdSeschrock int error; 881eaca9bbdSeschrock 88206eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 88306eeb2adSek return (error); 88406eeb2adSek 885558d2d50Slling if (zc->zc_cookie < spa_version(spa) || zc->zc_cookie > SPA_VERSION) { 886558d2d50Slling spa_close(spa, FTAG); 887558d2d50Slling return (EINVAL); 888558d2d50Slling } 889558d2d50Slling 890990b4856Slling spa_upgrade(spa, zc->zc_cookie); 89106eeb2adSek spa_close(spa, FTAG); 89206eeb2adSek 89306eeb2adSek return (error); 89406eeb2adSek } 89506eeb2adSek 89606eeb2adSek static int 89706eeb2adSek zfs_ioc_pool_get_history(zfs_cmd_t *zc) 89806eeb2adSek { 89906eeb2adSek spa_t *spa; 90006eeb2adSek char *hist_buf; 90106eeb2adSek uint64_t size; 90206eeb2adSek int error; 90306eeb2adSek 90406eeb2adSek if ((size = zc->zc_history_len) == 0) 90506eeb2adSek return (EINVAL); 90606eeb2adSek 90706eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 90806eeb2adSek return (error); 90906eeb2adSek 910e7437265Sahrens if (spa_version(spa) < SPA_VERSION_ZPOOL_HISTORY) { 911d7306b64Sek spa_close(spa, FTAG); 912d7306b64Sek return (ENOTSUP); 913d7306b64Sek } 914d7306b64Sek 91506eeb2adSek hist_buf = kmem_alloc(size, KM_SLEEP); 91606eeb2adSek if ((error = spa_history_get(spa, &zc->zc_history_offset, 91706eeb2adSek &zc->zc_history_len, hist_buf)) == 0) { 918ecd6cf80Smarks error = xcopyout(hist_buf, 919ecd6cf80Smarks (char *)(uintptr_t)zc->zc_history, 92006eeb2adSek zc->zc_history_len); 92106eeb2adSek } 92206eeb2adSek 92306eeb2adSek spa_close(spa, FTAG); 92406eeb2adSek kmem_free(hist_buf, size); 92506eeb2adSek return (error); 92606eeb2adSek } 92706eeb2adSek 92855434c77Sek static int 92955434c77Sek zfs_ioc_dsobj_to_dsname(zfs_cmd_t *zc) 93055434c77Sek { 93155434c77Sek int error; 93255434c77Sek 933b1b8ab34Slling if (error = dsl_dsobj_to_dsname(zc->zc_name, zc->zc_obj, zc->zc_value)) 93455434c77Sek return (error); 93555434c77Sek 93655434c77Sek return (0); 93755434c77Sek } 93855434c77Sek 93955434c77Sek static int 94055434c77Sek zfs_ioc_obj_to_path(zfs_cmd_t *zc) 94155434c77Sek { 94255434c77Sek objset_t *osp; 94355434c77Sek int error; 94455434c77Sek 94555434c77Sek if ((error = dmu_objset_open(zc->zc_name, DMU_OST_ZFS, 94655434c77Sek DS_MODE_NONE | DS_MODE_READONLY, &osp)) != 0) 94755434c77Sek return (error); 94855434c77Sek 94955434c77Sek error = zfs_obj_to_path(osp, zc->zc_obj, zc->zc_value, 95055434c77Sek sizeof (zc->zc_value)); 95155434c77Sek dmu_objset_close(osp); 95255434c77Sek 95355434c77Sek return (error); 95455434c77Sek } 95555434c77Sek 956fa9e4066Sahrens static int 957fa9e4066Sahrens zfs_ioc_vdev_add(zfs_cmd_t *zc) 958fa9e4066Sahrens { 959fa9e4066Sahrens spa_t *spa; 960fa9e4066Sahrens int error; 961fa9e4066Sahrens nvlist_t *config; 962fa9e4066Sahrens 963fa9e4066Sahrens error = spa_open(zc->zc_name, &spa, FTAG); 964fa9e4066Sahrens if (error != 0) 965fa9e4066Sahrens return (error); 966fa9e4066Sahrens 967b1b8ab34Slling /* 968b1b8ab34Slling * A root pool with concatenated devices is not supported. 969b1b8ab34Slling * Thus, can not add a device to a root pool with one device. 970b1b8ab34Slling */ 971b1b8ab34Slling if (spa->spa_root_vdev->vdev_children == 1 && spa->spa_bootfs != 0) { 972b1b8ab34Slling spa_close(spa, FTAG); 973b1b8ab34Slling return (EDOM); 974b1b8ab34Slling } 975b1b8ab34Slling 976990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 977990b4856Slling &config)) == 0) { 978fa9e4066Sahrens error = spa_vdev_add(spa, config); 979fa9e4066Sahrens nvlist_free(config); 980fa9e4066Sahrens } 981fa9e4066Sahrens spa_close(spa, FTAG); 982fa9e4066Sahrens return (error); 983fa9e4066Sahrens } 984fa9e4066Sahrens 985fa9e4066Sahrens static int 986fa9e4066Sahrens zfs_ioc_vdev_remove(zfs_cmd_t *zc) 987fa9e4066Sahrens { 98899653d4eSeschrock spa_t *spa; 98999653d4eSeschrock int error; 99099653d4eSeschrock 99199653d4eSeschrock error = spa_open(zc->zc_name, &spa, FTAG); 99299653d4eSeschrock if (error != 0) 99399653d4eSeschrock return (error); 99499653d4eSeschrock error = spa_vdev_remove(spa, zc->zc_guid, B_FALSE); 99599653d4eSeschrock spa_close(spa, FTAG); 99699653d4eSeschrock return (error); 997fa9e4066Sahrens } 998fa9e4066Sahrens 999fa9e4066Sahrens static int 10003d7072f8Seschrock zfs_ioc_vdev_set_state(zfs_cmd_t *zc) 1001fa9e4066Sahrens { 1002fa9e4066Sahrens spa_t *spa; 1003fa9e4066Sahrens int error; 10043d7072f8Seschrock vdev_state_t newstate = VDEV_STATE_UNKNOWN; 1005fa9e4066Sahrens 100606eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 1007fa9e4066Sahrens return (error); 10083d7072f8Seschrock switch (zc->zc_cookie) { 10093d7072f8Seschrock case VDEV_STATE_ONLINE: 10103d7072f8Seschrock error = vdev_online(spa, zc->zc_guid, zc->zc_obj, &newstate); 10113d7072f8Seschrock break; 1012fa9e4066Sahrens 10133d7072f8Seschrock case VDEV_STATE_OFFLINE: 10143d7072f8Seschrock error = vdev_offline(spa, zc->zc_guid, zc->zc_obj); 10153d7072f8Seschrock break; 1016fa9e4066Sahrens 10173d7072f8Seschrock case VDEV_STATE_FAULTED: 10183d7072f8Seschrock error = vdev_fault(spa, zc->zc_guid); 10193d7072f8Seschrock break; 10203d7072f8Seschrock 10213d7072f8Seschrock case VDEV_STATE_DEGRADED: 10223d7072f8Seschrock error = vdev_degrade(spa, zc->zc_guid); 10233d7072f8Seschrock break; 10243d7072f8Seschrock 10253d7072f8Seschrock default: 10263d7072f8Seschrock error = EINVAL; 10273d7072f8Seschrock } 10283d7072f8Seschrock zc->zc_cookie = newstate; 1029fa9e4066Sahrens spa_close(spa, FTAG); 1030fa9e4066Sahrens return (error); 1031fa9e4066Sahrens } 1032fa9e4066Sahrens 1033fa9e4066Sahrens static int 1034fa9e4066Sahrens zfs_ioc_vdev_attach(zfs_cmd_t *zc) 1035fa9e4066Sahrens { 1036fa9e4066Sahrens spa_t *spa; 1037fa9e4066Sahrens int replacing = zc->zc_cookie; 1038fa9e4066Sahrens nvlist_t *config; 1039fa9e4066Sahrens int error; 1040fa9e4066Sahrens 104106eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 1042fa9e4066Sahrens return (error); 1043fa9e4066Sahrens 1044990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 1045990b4856Slling &config)) == 0) { 1046ea8dc4b6Seschrock error = spa_vdev_attach(spa, zc->zc_guid, config, replacing); 1047fa9e4066Sahrens nvlist_free(config); 1048fa9e4066Sahrens } 1049fa9e4066Sahrens 1050fa9e4066Sahrens spa_close(spa, FTAG); 1051fa9e4066Sahrens return (error); 1052fa9e4066Sahrens } 1053fa9e4066Sahrens 1054fa9e4066Sahrens static int 1055fa9e4066Sahrens zfs_ioc_vdev_detach(zfs_cmd_t *zc) 1056fa9e4066Sahrens { 1057fa9e4066Sahrens spa_t *spa; 1058fa9e4066Sahrens int error; 1059fa9e4066Sahrens 106006eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 1061fa9e4066Sahrens return (error); 1062fa9e4066Sahrens 1063ea8dc4b6Seschrock error = spa_vdev_detach(spa, zc->zc_guid, B_FALSE); 1064fa9e4066Sahrens 1065fa9e4066Sahrens spa_close(spa, FTAG); 1066fa9e4066Sahrens return (error); 1067fa9e4066Sahrens } 1068fa9e4066Sahrens 1069c67d9675Seschrock static int 1070c67d9675Seschrock zfs_ioc_vdev_setpath(zfs_cmd_t *zc) 1071c67d9675Seschrock { 1072c67d9675Seschrock spa_t *spa; 1073e9dbad6fSeschrock char *path = zc->zc_value; 1074ea8dc4b6Seschrock uint64_t guid = zc->zc_guid; 1075c67d9675Seschrock int error; 1076c67d9675Seschrock 1077c67d9675Seschrock error = spa_open(zc->zc_name, &spa, FTAG); 1078c67d9675Seschrock if (error != 0) 1079c67d9675Seschrock return (error); 1080c67d9675Seschrock 1081c67d9675Seschrock error = spa_vdev_setpath(spa, guid, path); 1082c67d9675Seschrock spa_close(spa, FTAG); 1083c67d9675Seschrock return (error); 1084c67d9675Seschrock } 1085c67d9675Seschrock 1086fa9e4066Sahrens static int 1087fa9e4066Sahrens zfs_ioc_objset_stats(zfs_cmd_t *zc) 1088fa9e4066Sahrens { 1089fa9e4066Sahrens objset_t *os = NULL; 1090fa9e4066Sahrens int error; 10917f7322feSeschrock nvlist_t *nv; 1092fa9e4066Sahrens 1093fa9e4066Sahrens retry: 1094fa9e4066Sahrens error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, 1095fa9e4066Sahrens DS_MODE_STANDARD | DS_MODE_READONLY, &os); 1096fa9e4066Sahrens if (error != 0) { 1097fa9e4066Sahrens /* 1098fa9e4066Sahrens * This is ugly: dmu_objset_open() can return EBUSY if 1099fa9e4066Sahrens * the objset is held exclusively. Fortunately this hold is 1100fa9e4066Sahrens * only for a short while, so we retry here. 1101fa9e4066Sahrens * This avoids user code having to handle EBUSY, 1102fa9e4066Sahrens * for example for a "zfs list". 1103fa9e4066Sahrens */ 1104fa9e4066Sahrens if (error == EBUSY) { 1105fa9e4066Sahrens delay(1); 1106fa9e4066Sahrens goto retry; 1107fa9e4066Sahrens } 1108fa9e4066Sahrens return (error); 1109fa9e4066Sahrens } 1110fa9e4066Sahrens 1111a2eea2e1Sahrens dmu_objset_fast_stat(os, &zc->zc_objset_stats); 1112fa9e4066Sahrens 11135ad82045Snd if (zc->zc_nvlist_dst != 0 && 11147f7322feSeschrock (error = dsl_prop_get_all(os, &nv)) == 0) { 1115a2eea2e1Sahrens dmu_objset_stats(os, nv); 1116432f72fdSahrens /* 1117bd00f61bSrm * NB: zvol_get_stats() will read the objset contents, 1118432f72fdSahrens * which we aren't supposed to do with a 1119432f72fdSahrens * DS_MODE_STANDARD open, because it could be 1120432f72fdSahrens * inconsistent. So this is a bit of a workaround... 1121432f72fdSahrens */ 1122e7437265Sahrens if (!zc->zc_objset_stats.dds_inconsistent) { 1123e7437265Sahrens if (dmu_objset_type(os) == DMU_OST_ZVOL) 1124e7437265Sahrens VERIFY(zvol_get_stats(os, nv) == 0); 1125e7437265Sahrens } 1126e9dbad6fSeschrock error = put_nvlist(zc, nv); 11277f7322feSeschrock nvlist_free(nv); 11287f7322feSeschrock } 1129fa9e4066Sahrens 1130e9dbad6fSeschrock spa_altroot(dmu_objset_spa(os), zc->zc_value, sizeof (zc->zc_value)); 1131ea8dc4b6Seschrock 1132fa9e4066Sahrens dmu_objset_close(os); 1133fa9e4066Sahrens return (error); 1134fa9e4066Sahrens } 1135fa9e4066Sahrens 1136bd00f61bSrm static int 1137bd00f61bSrm zfs_ioc_objset_version(zfs_cmd_t *zc) 1138bd00f61bSrm { 1139bd00f61bSrm objset_t *os = NULL; 1140bd00f61bSrm int error; 1141bd00f61bSrm 1142bd00f61bSrm retry: 1143bd00f61bSrm error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, 1144bd00f61bSrm DS_MODE_STANDARD | DS_MODE_READONLY, &os); 1145bd00f61bSrm if (error != 0) { 1146bd00f61bSrm /* 1147bd00f61bSrm * This is ugly: dmu_objset_open() can return EBUSY if 1148bd00f61bSrm * the objset is held exclusively. Fortunately this hold is 1149bd00f61bSrm * only for a short while, so we retry here. 1150bd00f61bSrm * This avoids user code having to handle EBUSY, 1151bd00f61bSrm * for example for a "zfs list". 1152bd00f61bSrm */ 1153bd00f61bSrm if (error == EBUSY) { 1154bd00f61bSrm delay(1); 1155bd00f61bSrm goto retry; 1156bd00f61bSrm } 1157bd00f61bSrm return (error); 1158bd00f61bSrm } 1159bd00f61bSrm 1160bd00f61bSrm dmu_objset_fast_stat(os, &zc->zc_objset_stats); 1161bd00f61bSrm 1162bd00f61bSrm /* 1163bd00f61bSrm * NB: zfs_get_version() will read the objset contents, 1164bd00f61bSrm * which we aren't supposed to do with a 1165bd00f61bSrm * DS_MODE_STANDARD open, because it could be 1166bd00f61bSrm * inconsistent. So this is a bit of a workaround... 1167bd00f61bSrm */ 1168bd00f61bSrm zc->zc_cookie = 0; 1169bd00f61bSrm if (!zc->zc_objset_stats.dds_inconsistent) 1170bd00f61bSrm if (dmu_objset_type(os) == DMU_OST_ZFS) 1171bd00f61bSrm (void) zfs_get_version(os, &zc->zc_cookie); 1172bd00f61bSrm 1173bd00f61bSrm dmu_objset_close(os); 1174bd00f61bSrm return (0); 1175bd00f61bSrm } 1176bd00f61bSrm 1177fa9e4066Sahrens static int 1178fa9e4066Sahrens zfs_ioc_dataset_list_next(zfs_cmd_t *zc) 1179fa9e4066Sahrens { 118087e5029aSahrens objset_t *os; 1181fa9e4066Sahrens int error; 1182fa9e4066Sahrens char *p; 1183fa9e4066Sahrens 118487e5029aSahrens retry: 118587e5029aSahrens error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, 118687e5029aSahrens DS_MODE_STANDARD | DS_MODE_READONLY, &os); 118787e5029aSahrens if (error != 0) { 118887e5029aSahrens /* 118987e5029aSahrens * This is ugly: dmu_objset_open() can return EBUSY if 119087e5029aSahrens * the objset is held exclusively. Fortunately this hold is 119187e5029aSahrens * only for a short while, so we retry here. 119287e5029aSahrens * This avoids user code having to handle EBUSY, 119387e5029aSahrens * for example for a "zfs list". 119487e5029aSahrens */ 119587e5029aSahrens if (error == EBUSY) { 119687e5029aSahrens delay(1); 119787e5029aSahrens goto retry; 119887e5029aSahrens } 119987e5029aSahrens if (error == ENOENT) 120087e5029aSahrens error = ESRCH; 120187e5029aSahrens return (error); 1202fa9e4066Sahrens } 1203fa9e4066Sahrens 1204fa9e4066Sahrens p = strrchr(zc->zc_name, '/'); 1205fa9e4066Sahrens if (p == NULL || p[1] != '\0') 1206fa9e4066Sahrens (void) strlcat(zc->zc_name, "/", sizeof (zc->zc_name)); 1207fa9e4066Sahrens p = zc->zc_name + strlen(zc->zc_name); 1208fa9e4066Sahrens 1209fa9e4066Sahrens do { 121087e5029aSahrens error = dmu_dir_list_next(os, 121187e5029aSahrens sizeof (zc->zc_name) - (p - zc->zc_name), p, 121287e5029aSahrens NULL, &zc->zc_cookie); 1213fa9e4066Sahrens if (error == ENOENT) 1214fa9e4066Sahrens error = ESRCH; 121587e5029aSahrens } while (error == 0 && !INGLOBALZONE(curproc) && 1216fa9e4066Sahrens !zone_dataset_visible(zc->zc_name, NULL)); 1217fa9e4066Sahrens 1218fa9e4066Sahrens /* 121987e5029aSahrens * If it's a hidden dataset (ie. with a '$' in its name), don't 122087e5029aSahrens * try to get stats for it. Userland will skip over it. 1221fa9e4066Sahrens */ 122287e5029aSahrens if (error == 0 && strchr(zc->zc_name, '$') == NULL) 122387e5029aSahrens error = zfs_ioc_objset_stats(zc); /* fill in the stats */ 1224fa9e4066Sahrens 122587e5029aSahrens dmu_objset_close(os); 1226fa9e4066Sahrens return (error); 1227fa9e4066Sahrens } 1228fa9e4066Sahrens 1229fa9e4066Sahrens static int 1230fa9e4066Sahrens zfs_ioc_snapshot_list_next(zfs_cmd_t *zc) 1231fa9e4066Sahrens { 123287e5029aSahrens objset_t *os; 1233fa9e4066Sahrens int error; 1234fa9e4066Sahrens 1235fa9e4066Sahrens retry: 123687e5029aSahrens error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, 123787e5029aSahrens DS_MODE_STANDARD | DS_MODE_READONLY, &os); 123887e5029aSahrens if (error != 0) { 1239fa9e4066Sahrens /* 124087e5029aSahrens * This is ugly: dmu_objset_open() can return EBUSY if 1241fa9e4066Sahrens * the objset is held exclusively. Fortunately this hold is 1242fa9e4066Sahrens * only for a short while, so we retry here. 1243fa9e4066Sahrens * This avoids user code having to handle EBUSY, 124487e5029aSahrens * for example for a "zfs list". 1245fa9e4066Sahrens */ 1246fa9e4066Sahrens if (error == EBUSY) { 1247fa9e4066Sahrens delay(1); 1248fa9e4066Sahrens goto retry; 1249fa9e4066Sahrens } 1250fa9e4066Sahrens if (error == ENOENT) 125187e5029aSahrens error = ESRCH; 1252fa9e4066Sahrens return (error); 1253fa9e4066Sahrens } 1254fa9e4066Sahrens 1255b81d61a6Slling /* 1256b81d61a6Slling * A dataset name of maximum length cannot have any snapshots, 1257b81d61a6Slling * so exit immediately. 1258b81d61a6Slling */ 1259b81d61a6Slling if (strlcat(zc->zc_name, "@", sizeof (zc->zc_name)) >= MAXNAMELEN) { 126087e5029aSahrens dmu_objset_close(os); 1261b81d61a6Slling return (ESRCH); 1262fa9e4066Sahrens } 1263fa9e4066Sahrens 126487e5029aSahrens error = dmu_snapshot_list_next(os, 126587e5029aSahrens sizeof (zc->zc_name) - strlen(zc->zc_name), 126687e5029aSahrens zc->zc_name + strlen(zc->zc_name), NULL, &zc->zc_cookie); 126787e5029aSahrens if (error == ENOENT) 126887e5029aSahrens error = ESRCH; 1269fa9e4066Sahrens 127087e5029aSahrens if (error == 0) 127187e5029aSahrens error = zfs_ioc_objset_stats(zc); /* fill in the stats */ 1272fa9e4066Sahrens 127387e5029aSahrens dmu_objset_close(os); 1274fa9e4066Sahrens return (error); 1275fa9e4066Sahrens } 1276fa9e4066Sahrens 1277fa9e4066Sahrens static int 127891ebeef5Sahrens zfs_set_prop_nvlist(const char *name, nvlist_t *nvl) 1279fa9e4066Sahrens { 1280e9dbad6fSeschrock nvpair_t *elem; 1281e9dbad6fSeschrock int error; 1282e9dbad6fSeschrock uint64_t intval; 1283e9dbad6fSeschrock char *strval; 1284e9dbad6fSeschrock 1285ecd6cf80Smarks /* 1286ecd6cf80Smarks * First validate permission to set all of the properties 1287ecd6cf80Smarks */ 1288e9dbad6fSeschrock elem = NULL; 1289e9dbad6fSeschrock while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { 1290db870a07Sahrens const char *propname = nvpair_name(elem); 1291db870a07Sahrens zfs_prop_t prop = zfs_name_to_prop(propname); 1292e9dbad6fSeschrock 1293990b4856Slling if (prop == ZPROP_INVAL) { 1294e9dbad6fSeschrock /* 1295e9dbad6fSeschrock * If this is a user-defined property, it must be a 1296e9dbad6fSeschrock * string, and there is no further validation to do. 1297e9dbad6fSeschrock */ 1298e9dbad6fSeschrock if (!zfs_prop_user(propname) || 1299e9dbad6fSeschrock nvpair_type(elem) != DATA_TYPE_STRING) 1300e9dbad6fSeschrock return (EINVAL); 1301e9dbad6fSeschrock 1302*da6c28aaSamw if (error = zfs_secpolicy_write_perms(name, 1303*da6c28aaSamw ZFS_DELEG_PERM_USERPROP, CRED())) 1304db870a07Sahrens return (error); 1305ecd6cf80Smarks continue; 1306e9dbad6fSeschrock } 1307fa9e4066Sahrens 130891ebeef5Sahrens if ((error = zfs_secpolicy_setprop(name, prop, CRED())) != 0) 1309db870a07Sahrens return (error); 1310db870a07Sahrens 1311e9dbad6fSeschrock /* 1312db870a07Sahrens * Check that this value is valid for this pool version 1313e9dbad6fSeschrock */ 1314e9dbad6fSeschrock switch (prop) { 1315c9431fa1Sahl case ZFS_PROP_COMPRESSION: 1316c9431fa1Sahl /* 1317c9431fa1Sahl * If the user specified gzip compression, make sure 1318c9431fa1Sahl * the SPA supports it. We ignore any errors here since 1319c9431fa1Sahl * we'll catch them later. 1320c9431fa1Sahl */ 1321c9431fa1Sahl if (nvpair_type(elem) == DATA_TYPE_UINT64 && 1322c9431fa1Sahl nvpair_value_uint64(elem, &intval) == 0 && 1323c9431fa1Sahl intval >= ZIO_COMPRESS_GZIP_1 && 1324c9431fa1Sahl intval <= ZIO_COMPRESS_GZIP_9) { 1325*da6c28aaSamw if (zfs_check_version(name, 1326*da6c28aaSamw SPA_VERSION_GZIP_COMPRESSION)) 1327*da6c28aaSamw return (ENOTSUP); 1328c9431fa1Sahl } 1329c9431fa1Sahl break; 133040feaa91Sahrens 133140feaa91Sahrens case ZFS_PROP_COPIES: 1332*da6c28aaSamw if (zfs_check_version(name, SPA_VERSION_DITTO_BLOCKS)) 1333*da6c28aaSamw return (ENOTSUP); 133440feaa91Sahrens break; 1335*da6c28aaSamw case ZFS_PROP_NORMALIZE: 1336*da6c28aaSamw case ZFS_PROP_UTF8ONLY: 1337*da6c28aaSamw case ZFS_PROP_CASE: 1338*da6c28aaSamw if (zfs_check_version(name, SPA_VERSION_NORMALIZATION)) 1339*da6c28aaSamw return (ENOTSUP); 1340*da6c28aaSamw 134140feaa91Sahrens } 1342*da6c28aaSamw if ((error = zfs_secpolicy_setprop(name, prop, CRED())) != 0) 1343*da6c28aaSamw return (error); 1344ecd6cf80Smarks } 1345ecd6cf80Smarks 1346ecd6cf80Smarks elem = NULL; 1347ecd6cf80Smarks while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { 1348db870a07Sahrens const char *propname = nvpair_name(elem); 1349db870a07Sahrens zfs_prop_t prop = zfs_name_to_prop(propname); 1350ecd6cf80Smarks 1351990b4856Slling if (prop == ZPROP_INVAL) { 1352ecd6cf80Smarks VERIFY(nvpair_value_string(elem, &strval) == 0); 1353ecd6cf80Smarks error = dsl_prop_set(name, propname, 1, 1354ecd6cf80Smarks strlen(strval) + 1, strval); 1355ecd6cf80Smarks if (error == 0) 1356ecd6cf80Smarks continue; 1357ecd6cf80Smarks else 1358ecd6cf80Smarks return (error); 1359ecd6cf80Smarks } 1360e9dbad6fSeschrock 1361e9dbad6fSeschrock switch (prop) { 1362e9dbad6fSeschrock case ZFS_PROP_QUOTA: 1363e9dbad6fSeschrock if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 1364e7437265Sahrens (error = dsl_dir_set_quota(name, intval)) != 0) 1365e9dbad6fSeschrock return (error); 1366e9dbad6fSeschrock break; 1367e9dbad6fSeschrock 1368e9dbad6fSeschrock case ZFS_PROP_RESERVATION: 1369e9dbad6fSeschrock if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 1370e9dbad6fSeschrock (error = dsl_dir_set_reservation(name, 1371e9dbad6fSeschrock intval)) != 0) 1372e9dbad6fSeschrock return (error); 1373e9dbad6fSeschrock break; 1374e9dbad6fSeschrock 1375e9dbad6fSeschrock case ZFS_PROP_VOLSIZE: 1376e9dbad6fSeschrock if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 137791ebeef5Sahrens (error = zvol_set_volsize(name, 137891ebeef5Sahrens ddi_driver_major(zfs_dip), intval)) != 0) 1379e9dbad6fSeschrock return (error); 1380e9dbad6fSeschrock break; 1381e9dbad6fSeschrock 1382e9dbad6fSeschrock case ZFS_PROP_VOLBLOCKSIZE: 1383e9dbad6fSeschrock if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 1384e7437265Sahrens (error = zvol_set_volblocksize(name, intval)) != 0) 1385e7437265Sahrens return (error); 1386e7437265Sahrens break; 1387e7437265Sahrens 1388e7437265Sahrens case ZFS_PROP_VERSION: 1389e7437265Sahrens if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 1390e7437265Sahrens (error = zfs_set_version(name, intval)) != 0) 1391e9dbad6fSeschrock return (error); 1392e9dbad6fSeschrock break; 1393e9dbad6fSeschrock 1394e9dbad6fSeschrock default: 1395e9dbad6fSeschrock if (nvpair_type(elem) == DATA_TYPE_STRING) { 1396e9dbad6fSeschrock if (zfs_prop_get_type(prop) != 139791ebeef5Sahrens PROP_TYPE_STRING) 1398e9dbad6fSeschrock return (EINVAL); 1399acd76fe5Seschrock VERIFY(nvpair_value_string(elem, &strval) == 0); 1400acd76fe5Seschrock if ((error = dsl_prop_set(name, 1401e9dbad6fSeschrock nvpair_name(elem), 1, strlen(strval) + 1, 1402acd76fe5Seschrock strval)) != 0) 1403acd76fe5Seschrock return (error); 1404e9dbad6fSeschrock } else if (nvpair_type(elem) == DATA_TYPE_UINT64) { 1405a2eea2e1Sahrens const char *unused; 1406a2eea2e1Sahrens 1407acd76fe5Seschrock VERIFY(nvpair_value_uint64(elem, &intval) == 0); 1408e9dbad6fSeschrock 1409e9dbad6fSeschrock switch (zfs_prop_get_type(prop)) { 141091ebeef5Sahrens case PROP_TYPE_NUMBER: 1411e9dbad6fSeschrock break; 141291ebeef5Sahrens case PROP_TYPE_STRING: 1413acd76fe5Seschrock return (EINVAL); 141491ebeef5Sahrens case PROP_TYPE_INDEX: 1415acd76fe5Seschrock if (zfs_prop_index_to_string(prop, 1416acd76fe5Seschrock intval, &unused) != 0) 1417acd76fe5Seschrock return (EINVAL); 1418e9dbad6fSeschrock break; 1419e9dbad6fSeschrock default: 1420e7437265Sahrens cmn_err(CE_PANIC, 1421e7437265Sahrens "unknown property type"); 1422e9dbad6fSeschrock break; 1423e9dbad6fSeschrock } 1424e9dbad6fSeschrock 1425acd76fe5Seschrock if ((error = dsl_prop_set(name, propname, 1426acd76fe5Seschrock 8, 1, &intval)) != 0) 1427acd76fe5Seschrock return (error); 1428e9dbad6fSeschrock } else { 1429e9dbad6fSeschrock return (EINVAL); 1430e9dbad6fSeschrock } 1431e9dbad6fSeschrock break; 1432e9dbad6fSeschrock } 1433e9dbad6fSeschrock } 1434e9dbad6fSeschrock 1435e9dbad6fSeschrock return (0); 1436fa9e4066Sahrens } 1437fa9e4066Sahrens 1438fa9e4066Sahrens static int 1439e9dbad6fSeschrock zfs_ioc_set_prop(zfs_cmd_t *zc) 1440fa9e4066Sahrens { 1441e9dbad6fSeschrock nvlist_t *nvl; 1442e9dbad6fSeschrock int error; 1443e9dbad6fSeschrock 1444990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 1445990b4856Slling &nvl)) != 0) 1446e9dbad6fSeschrock return (error); 1447e9dbad6fSeschrock 144891ebeef5Sahrens error = zfs_set_prop_nvlist(zc->zc_name, nvl); 1449ecd6cf80Smarks 1450e9dbad6fSeschrock nvlist_free(nvl); 1451e9dbad6fSeschrock return (error); 1452fa9e4066Sahrens } 1453fa9e4066Sahrens 1454e45ce728Sahrens static int 1455e45ce728Sahrens zfs_ioc_inherit_prop(zfs_cmd_t *zc) 1456e45ce728Sahrens { 1457e45ce728Sahrens /* the property name has been validated by zfs_secpolicy_inherit() */ 1458e45ce728Sahrens return (dsl_prop_set(zc->zc_name, zc->zc_value, 0, 0, NULL)); 1459e45ce728Sahrens } 1460e45ce728Sahrens 1461b1b8ab34Slling static int 146211a41203Slling zfs_ioc_pool_set_props(zfs_cmd_t *zc) 1463b1b8ab34Slling { 1464990b4856Slling nvlist_t *props; 1465b1b8ab34Slling spa_t *spa; 1466990b4856Slling int error; 1467b1b8ab34Slling 1468990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 1469990b4856Slling &props))) 1470b1b8ab34Slling return (error); 1471b1b8ab34Slling 1472b1b8ab34Slling if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { 1473990b4856Slling nvlist_free(props); 1474b1b8ab34Slling return (error); 1475b1b8ab34Slling } 1476b1b8ab34Slling 1477990b4856Slling error = spa_prop_set(spa, props); 1478b1b8ab34Slling 1479990b4856Slling nvlist_free(props); 1480b1b8ab34Slling spa_close(spa, FTAG); 1481b1b8ab34Slling 1482b1b8ab34Slling return (error); 1483b1b8ab34Slling } 1484b1b8ab34Slling 1485b1b8ab34Slling static int 148611a41203Slling zfs_ioc_pool_get_props(zfs_cmd_t *zc) 1487b1b8ab34Slling { 1488b1b8ab34Slling spa_t *spa; 1489b1b8ab34Slling int error; 1490b1b8ab34Slling nvlist_t *nvp = NULL; 1491b1b8ab34Slling 1492b1b8ab34Slling if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 1493b1b8ab34Slling return (error); 1494b1b8ab34Slling 1495990b4856Slling error = spa_prop_get(spa, &nvp); 1496b1b8ab34Slling 1497b1b8ab34Slling if (error == 0 && zc->zc_nvlist_dst != NULL) 1498b1b8ab34Slling error = put_nvlist(zc, nvp); 1499b1b8ab34Slling else 1500b1b8ab34Slling error = EFAULT; 1501b1b8ab34Slling 1502b1b8ab34Slling spa_close(spa, FTAG); 1503b1b8ab34Slling 1504b1b8ab34Slling if (nvp) 1505b1b8ab34Slling nvlist_free(nvp); 1506b1b8ab34Slling return (error); 1507b1b8ab34Slling } 1508b1b8ab34Slling 1509ecd6cf80Smarks static int 1510ecd6cf80Smarks zfs_ioc_iscsi_perm_check(zfs_cmd_t *zc) 1511ecd6cf80Smarks { 1512ecd6cf80Smarks nvlist_t *nvp; 1513ecd6cf80Smarks int error; 1514ecd6cf80Smarks uint32_t uid; 1515ecd6cf80Smarks uint32_t gid; 1516ecd6cf80Smarks uint32_t *groups; 1517ecd6cf80Smarks uint_t group_cnt; 1518ecd6cf80Smarks cred_t *usercred; 1519ecd6cf80Smarks 1520990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 1521990b4856Slling &nvp)) != 0) { 1522ecd6cf80Smarks return (error); 1523ecd6cf80Smarks } 1524ecd6cf80Smarks 1525ecd6cf80Smarks if ((error = nvlist_lookup_uint32(nvp, 1526ecd6cf80Smarks ZFS_DELEG_PERM_UID, &uid)) != 0) { 1527ecd6cf80Smarks nvlist_free(nvp); 1528ecd6cf80Smarks return (EPERM); 1529ecd6cf80Smarks } 1530ecd6cf80Smarks 1531ecd6cf80Smarks if ((error = nvlist_lookup_uint32(nvp, 1532ecd6cf80Smarks ZFS_DELEG_PERM_GID, &gid)) != 0) { 1533ecd6cf80Smarks nvlist_free(nvp); 1534ecd6cf80Smarks return (EPERM); 1535ecd6cf80Smarks } 1536ecd6cf80Smarks 1537ecd6cf80Smarks if ((error = nvlist_lookup_uint32_array(nvp, ZFS_DELEG_PERM_GROUPS, 1538ecd6cf80Smarks &groups, &group_cnt)) != 0) { 1539ecd6cf80Smarks nvlist_free(nvp); 1540ecd6cf80Smarks return (EPERM); 1541ecd6cf80Smarks } 1542ecd6cf80Smarks usercred = cralloc(); 1543ecd6cf80Smarks if ((crsetugid(usercred, uid, gid) != 0) || 1544ecd6cf80Smarks (crsetgroups(usercred, group_cnt, (gid_t *)groups) != 0)) { 1545ecd6cf80Smarks nvlist_free(nvp); 1546ecd6cf80Smarks crfree(usercred); 1547ecd6cf80Smarks return (EPERM); 1548ecd6cf80Smarks } 1549ecd6cf80Smarks nvlist_free(nvp); 1550ecd6cf80Smarks error = dsl_deleg_access(zc->zc_name, 155191ebeef5Sahrens zfs_prop_to_name(ZFS_PROP_SHAREISCSI), usercred); 1552ecd6cf80Smarks crfree(usercred); 1553ecd6cf80Smarks return (error); 1554ecd6cf80Smarks } 1555ecd6cf80Smarks 1556ecd6cf80Smarks static int 1557ecd6cf80Smarks zfs_ioc_set_fsacl(zfs_cmd_t *zc) 1558ecd6cf80Smarks { 1559ecd6cf80Smarks int error; 1560ecd6cf80Smarks nvlist_t *fsaclnv = NULL; 1561ecd6cf80Smarks 1562990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 1563990b4856Slling &fsaclnv)) != 0) 1564ecd6cf80Smarks return (error); 1565ecd6cf80Smarks 1566ecd6cf80Smarks /* 1567ecd6cf80Smarks * Verify nvlist is constructed correctly 1568ecd6cf80Smarks */ 1569ecd6cf80Smarks if ((error = zfs_deleg_verify_nvlist(fsaclnv)) != 0) { 1570ecd6cf80Smarks nvlist_free(fsaclnv); 1571ecd6cf80Smarks return (EINVAL); 1572ecd6cf80Smarks } 1573ecd6cf80Smarks 1574ecd6cf80Smarks /* 1575ecd6cf80Smarks * If we don't have PRIV_SYS_MOUNT, then validate 1576ecd6cf80Smarks * that user is allowed to hand out each permission in 1577ecd6cf80Smarks * the nvlist(s) 1578ecd6cf80Smarks */ 1579ecd6cf80Smarks 158091ebeef5Sahrens error = secpolicy_zfs(CRED()); 1581ecd6cf80Smarks if (error) { 158291ebeef5Sahrens if (zc->zc_perm_action == B_FALSE) { 158391ebeef5Sahrens error = dsl_deleg_can_allow(zc->zc_name, 158491ebeef5Sahrens fsaclnv, CRED()); 158591ebeef5Sahrens } else { 158691ebeef5Sahrens error = dsl_deleg_can_unallow(zc->zc_name, 158791ebeef5Sahrens fsaclnv, CRED()); 158891ebeef5Sahrens } 1589ecd6cf80Smarks } 1590ecd6cf80Smarks 1591ecd6cf80Smarks if (error == 0) 1592ecd6cf80Smarks error = dsl_deleg_set(zc->zc_name, fsaclnv, zc->zc_perm_action); 1593ecd6cf80Smarks 1594ecd6cf80Smarks nvlist_free(fsaclnv); 1595ecd6cf80Smarks return (error); 1596ecd6cf80Smarks } 1597ecd6cf80Smarks 1598ecd6cf80Smarks static int 1599ecd6cf80Smarks zfs_ioc_get_fsacl(zfs_cmd_t *zc) 1600ecd6cf80Smarks { 1601ecd6cf80Smarks nvlist_t *nvp; 1602ecd6cf80Smarks int error; 1603ecd6cf80Smarks 1604ecd6cf80Smarks if ((error = dsl_deleg_get(zc->zc_name, &nvp)) == 0) { 1605ecd6cf80Smarks error = put_nvlist(zc, nvp); 1606ecd6cf80Smarks nvlist_free(nvp); 1607ecd6cf80Smarks } 1608ecd6cf80Smarks 1609ecd6cf80Smarks return (error); 1610ecd6cf80Smarks } 1611ecd6cf80Smarks 1612fa9e4066Sahrens static int 1613fa9e4066Sahrens zfs_ioc_create_minor(zfs_cmd_t *zc) 1614fa9e4066Sahrens { 161591ebeef5Sahrens return (zvol_create_minor(zc->zc_name, ddi_driver_major(zfs_dip))); 1616fa9e4066Sahrens } 1617fa9e4066Sahrens 1618fa9e4066Sahrens static int 1619fa9e4066Sahrens zfs_ioc_remove_minor(zfs_cmd_t *zc) 1620fa9e4066Sahrens { 1621e9dbad6fSeschrock return (zvol_remove_minor(zc->zc_name)); 1622fa9e4066Sahrens } 1623fa9e4066Sahrens 1624fa9e4066Sahrens /* 1625fa9e4066Sahrens * Search the vfs list for a specified resource. Returns a pointer to it 1626fa9e4066Sahrens * or NULL if no suitable entry is found. The caller of this routine 1627fa9e4066Sahrens * is responsible for releasing the returned vfs pointer. 1628fa9e4066Sahrens */ 1629fa9e4066Sahrens static vfs_t * 1630fa9e4066Sahrens zfs_get_vfs(const char *resource) 1631fa9e4066Sahrens { 1632fa9e4066Sahrens struct vfs *vfsp; 1633fa9e4066Sahrens struct vfs *vfs_found = NULL; 1634fa9e4066Sahrens 1635fa9e4066Sahrens vfs_list_read_lock(); 1636fa9e4066Sahrens vfsp = rootvfs; 1637fa9e4066Sahrens do { 1638fa9e4066Sahrens if (strcmp(refstr_value(vfsp->vfs_resource), resource) == 0) { 1639fa9e4066Sahrens VFS_HOLD(vfsp); 1640fa9e4066Sahrens vfs_found = vfsp; 1641fa9e4066Sahrens break; 1642fa9e4066Sahrens } 1643fa9e4066Sahrens vfsp = vfsp->vfs_next; 1644fa9e4066Sahrens } while (vfsp != rootvfs); 1645fa9e4066Sahrens vfs_list_unlock(); 1646fa9e4066Sahrens return (vfs_found); 1647fa9e4066Sahrens } 1648fa9e4066Sahrens 1649ecd6cf80Smarks /* ARGSUSED */ 1650fa9e4066Sahrens static void 1651ecd6cf80Smarks zfs_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 1652fa9e4066Sahrens { 1653*da6c28aaSamw zfs_creat_t *zct = arg; 1654*da6c28aaSamw uint64_t version; 1655*da6c28aaSamw 1656*da6c28aaSamw if (spa_version(dmu_objset_spa(os)) >= SPA_VERSION_FUID) 1657*da6c28aaSamw version = ZPL_VERSION; 1658*da6c28aaSamw else 1659*da6c28aaSamw version = ZPL_VERSION_FUID - 1; 1660e7437265Sahrens 1661*da6c28aaSamw (void) nvlist_lookup_uint64(zct->zct_props, 1662e7437265Sahrens zfs_prop_to_name(ZFS_PROP_VERSION), &version); 1663e7437265Sahrens 1664*da6c28aaSamw zfs_create_fs(os, cr, version, zct->zct_norm, tx); 1665*da6c28aaSamw } 1666*da6c28aaSamw 1667*da6c28aaSamw /* 1668*da6c28aaSamw * zfs_prop_lookup() 1669*da6c28aaSamw * 1670*da6c28aaSamw * Look for the property first in the existing property nvlist. If 1671*da6c28aaSamw * it's already present, you're done. If it's not there, attempt to 1672*da6c28aaSamw * find the property value from a parent dataset. If that fails, fall 1673*da6c28aaSamw * back to the property's default value. In either of these two 1674*da6c28aaSamw * cases, if update is TRUE, add a value for the property to the 1675*da6c28aaSamw * property nvlist. 1676*da6c28aaSamw * 1677*da6c28aaSamw * If the rval pointer is non-NULL, copy the discovered value to rval. 1678*da6c28aaSamw * 1679*da6c28aaSamw * If we get any unexpected errors, bail and return the error number 1680*da6c28aaSamw * to the caller. 1681*da6c28aaSamw * 1682*da6c28aaSamw * If we succeed, return 0. 1683*da6c28aaSamw */ 1684*da6c28aaSamw static int 1685*da6c28aaSamw zfs_prop_lookup(const char *parentname, zfs_prop_t propnum, 1686*da6c28aaSamw nvlist_t *proplist, uint64_t *rval, boolean_t update) 1687*da6c28aaSamw { 1688*da6c28aaSamw const char *propname; 1689*da6c28aaSamw uint64_t value; 1690*da6c28aaSamw int error = ENOENT; 1691*da6c28aaSamw 1692*da6c28aaSamw propname = zfs_prop_to_name(propnum); 1693*da6c28aaSamw if (proplist != NULL) 1694*da6c28aaSamw error = nvlist_lookup_uint64(proplist, propname, &value); 1695*da6c28aaSamw if (error == ENOENT) { 1696*da6c28aaSamw error = dsl_prop_get_integer(parentname, propname, 1697*da6c28aaSamw &value, NULL); 1698*da6c28aaSamw if (error == ENOENT) 1699*da6c28aaSamw value = zfs_prop_default_numeric(propnum); 1700*da6c28aaSamw else if (error != 0) 1701*da6c28aaSamw return (error); 1702*da6c28aaSamw if (update) { 1703*da6c28aaSamw ASSERT(proplist != NULL); 1704*da6c28aaSamw error = nvlist_add_uint64(proplist, propname, value); 1705*da6c28aaSamw } 1706*da6c28aaSamw } 1707*da6c28aaSamw if (error == 0 && rval) 1708*da6c28aaSamw *rval = value; 1709*da6c28aaSamw return (error); 1710*da6c28aaSamw } 1711*da6c28aaSamw 1712*da6c28aaSamw /* 1713*da6c28aaSamw * zfs_normalization_get 1714*da6c28aaSamw * 1715*da6c28aaSamw * Get the normalization flag value. If the properties have 1716*da6c28aaSamw * non-default values, make sure the pool version is recent enough to 1717*da6c28aaSamw * support these choices. 1718*da6c28aaSamw */ 1719*da6c28aaSamw static int 1720*da6c28aaSamw zfs_normalization_get(const char *dataset, nvlist_t *proplist, int *norm, 1721*da6c28aaSamw boolean_t update) 1722*da6c28aaSamw { 1723*da6c28aaSamw char parentname[MAXNAMELEN]; 1724*da6c28aaSamw char poolname[MAXNAMELEN]; 1725*da6c28aaSamw char *cp; 1726*da6c28aaSamw uint64_t value; 1727*da6c28aaSamw int check = 0; 1728*da6c28aaSamw int error; 1729*da6c28aaSamw 1730*da6c28aaSamw ASSERT(norm != NULL); 1731*da6c28aaSamw *norm = 0; 1732*da6c28aaSamw 1733*da6c28aaSamw (void) strncpy(parentname, dataset, sizeof (parentname)); 1734*da6c28aaSamw cp = strrchr(parentname, '@'); 1735*da6c28aaSamw if (cp != NULL) { 1736*da6c28aaSamw cp[0] = '\0'; 1737*da6c28aaSamw } else { 1738*da6c28aaSamw cp = strrchr(parentname, '/'); 1739*da6c28aaSamw if (cp == NULL) 1740*da6c28aaSamw return (ENOENT); 1741*da6c28aaSamw cp[0] = '\0'; 1742*da6c28aaSamw } 1743*da6c28aaSamw 1744*da6c28aaSamw (void) strncpy(poolname, dataset, sizeof (poolname)); 1745*da6c28aaSamw cp = strchr(poolname, '/'); 1746*da6c28aaSamw if (cp != NULL) 1747*da6c28aaSamw cp[0] = '\0'; 1748*da6c28aaSamw 1749*da6c28aaSamw error = zfs_prop_lookup(parentname, ZFS_PROP_UTF8ONLY, 1750*da6c28aaSamw proplist, &value, update); 1751*da6c28aaSamw if (error != 0) 1752*da6c28aaSamw return (error); 1753*da6c28aaSamw if (value != zfs_prop_default_numeric(ZFS_PROP_UTF8ONLY)) 1754*da6c28aaSamw check = 1; 1755*da6c28aaSamw 1756*da6c28aaSamw error = zfs_prop_lookup(parentname, ZFS_PROP_NORMALIZE, 1757*da6c28aaSamw proplist, &value, update); 1758*da6c28aaSamw if (error != 0) 1759*da6c28aaSamw return (error); 1760*da6c28aaSamw if (value != zfs_prop_default_numeric(ZFS_PROP_NORMALIZE)) { 1761*da6c28aaSamw check = 1; 1762*da6c28aaSamw switch ((int)value) { 1763*da6c28aaSamw case ZFS_NORMALIZE_NONE: 1764*da6c28aaSamw break; 1765*da6c28aaSamw case ZFS_NORMALIZE_C: 1766*da6c28aaSamw *norm |= U8_TEXTPREP_NFC; 1767*da6c28aaSamw break; 1768*da6c28aaSamw case ZFS_NORMALIZE_D: 1769*da6c28aaSamw *norm |= U8_TEXTPREP_NFD; 1770*da6c28aaSamw break; 1771*da6c28aaSamw case ZFS_NORMALIZE_KC: 1772*da6c28aaSamw *norm |= U8_TEXTPREP_NFKC; 1773*da6c28aaSamw break; 1774*da6c28aaSamw case ZFS_NORMALIZE_KD: 1775*da6c28aaSamw *norm |= U8_TEXTPREP_NFKD; 1776*da6c28aaSamw break; 1777*da6c28aaSamw default: 1778*da6c28aaSamw ASSERT((int)value >= ZFS_NORMALIZE_NONE); 1779*da6c28aaSamw ASSERT((int)value <= ZFS_NORMALIZE_KD); 1780*da6c28aaSamw break; 1781*da6c28aaSamw } 1782*da6c28aaSamw } 1783*da6c28aaSamw 1784*da6c28aaSamw error = zfs_prop_lookup(parentname, ZFS_PROP_CASE, 1785*da6c28aaSamw proplist, &value, update); 1786*da6c28aaSamw if (error != 0) 1787*da6c28aaSamw return (error); 1788*da6c28aaSamw if (value != zfs_prop_default_numeric(ZFS_PROP_CASE)) { 1789*da6c28aaSamw check = 1; 1790*da6c28aaSamw switch ((int)value) { 1791*da6c28aaSamw case ZFS_CASE_SENSITIVE: 1792*da6c28aaSamw break; 1793*da6c28aaSamw case ZFS_CASE_INSENSITIVE: 1794*da6c28aaSamw *norm |= U8_TEXTPREP_TOUPPER; 1795*da6c28aaSamw break; 1796*da6c28aaSamw case ZFS_CASE_MIXED: 1797*da6c28aaSamw *norm |= U8_TEXTPREP_TOUPPER; 1798*da6c28aaSamw break; 1799*da6c28aaSamw default: 1800*da6c28aaSamw ASSERT((int)value >= ZFS_CASE_SENSITIVE); 1801*da6c28aaSamw ASSERT((int)value <= ZFS_CASE_MIXED); 1802*da6c28aaSamw break; 1803*da6c28aaSamw } 1804*da6c28aaSamw } 1805*da6c28aaSamw 1806*da6c28aaSamw if (check == 1) 1807*da6c28aaSamw if (zfs_check_version(poolname, SPA_VERSION_NORMALIZATION)) 1808*da6c28aaSamw return (ENOTSUP); 1809*da6c28aaSamw return (0); 1810fa9e4066Sahrens } 1811fa9e4066Sahrens 1812fa9e4066Sahrens static int 1813fa9e4066Sahrens zfs_ioc_create(zfs_cmd_t *zc) 1814fa9e4066Sahrens { 1815fa9e4066Sahrens objset_t *clone; 1816fa9e4066Sahrens int error = 0; 1817*da6c28aaSamw zfs_creat_t zct; 1818ecd6cf80Smarks nvlist_t *nvprops = NULL; 1819ecd6cf80Smarks void (*cbfunc)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx); 1820fa9e4066Sahrens dmu_objset_type_t type = zc->zc_objset_type; 1821fa9e4066Sahrens 1822fa9e4066Sahrens switch (type) { 1823fa9e4066Sahrens 1824fa9e4066Sahrens case DMU_OST_ZFS: 1825fa9e4066Sahrens cbfunc = zfs_create_cb; 1826fa9e4066Sahrens break; 1827fa9e4066Sahrens 1828fa9e4066Sahrens case DMU_OST_ZVOL: 1829fa9e4066Sahrens cbfunc = zvol_create_cb; 1830fa9e4066Sahrens break; 1831fa9e4066Sahrens 1832fa9e4066Sahrens default: 18331d452cf5Sahrens cbfunc = NULL; 1834fa9e4066Sahrens } 1835f18faf3fSek if (strchr(zc->zc_name, '@') || 1836f18faf3fSek strchr(zc->zc_name, '%')) 18371d452cf5Sahrens return (EINVAL); 1838fa9e4066Sahrens 1839e9dbad6fSeschrock if (zc->zc_nvlist_src != NULL && 1840990b4856Slling (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 1841990b4856Slling &nvprops)) != 0) 1842e9dbad6fSeschrock return (error); 1843e9dbad6fSeschrock 1844*da6c28aaSamw zct.zct_norm = 0; 1845*da6c28aaSamw zct.zct_props = nvprops; 1846*da6c28aaSamw 1847e9dbad6fSeschrock if (zc->zc_value[0] != '\0') { 1848fa9e4066Sahrens /* 1849fa9e4066Sahrens * We're creating a clone of an existing snapshot. 1850fa9e4066Sahrens */ 1851e9dbad6fSeschrock zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; 1852e9dbad6fSeschrock if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0) { 1853ecd6cf80Smarks nvlist_free(nvprops); 1854fa9e4066Sahrens return (EINVAL); 1855e9dbad6fSeschrock } 1856fa9e4066Sahrens 1857e9dbad6fSeschrock error = dmu_objset_open(zc->zc_value, type, 1858fa9e4066Sahrens DS_MODE_STANDARD | DS_MODE_READONLY, &clone); 1859e9dbad6fSeschrock if (error) { 1860ecd6cf80Smarks nvlist_free(nvprops); 1861fa9e4066Sahrens return (error); 1862e9dbad6fSeschrock } 1863fa9e4066Sahrens error = dmu_objset_create(zc->zc_name, type, clone, NULL, NULL); 1864*da6c28aaSamw if (error) { 1865*da6c28aaSamw dmu_objset_close(clone); 1866*da6c28aaSamw nvlist_free(nvprops); 1867*da6c28aaSamw return (error); 1868*da6c28aaSamw } 1869*da6c28aaSamw /* 1870*da6c28aaSamw * If caller did not provide any properties, allocate 1871*da6c28aaSamw * an nvlist for properties, as we will be adding our set-once 1872*da6c28aaSamw * properties to it. This carries the choices made on the 1873*da6c28aaSamw * original file system into the clone. 1874*da6c28aaSamw */ 1875*da6c28aaSamw if (nvprops == NULL) 1876*da6c28aaSamw VERIFY(nvlist_alloc(&nvprops, 1877*da6c28aaSamw NV_UNIQUE_NAME, KM_SLEEP) == 0); 1878*da6c28aaSamw 1879*da6c28aaSamw /* 1880*da6c28aaSamw * We have to have normalization and case-folding 1881*da6c28aaSamw * flags correct when we do the file system creation, 1882*da6c28aaSamw * so go figure them out now. All we really care about 1883*da6c28aaSamw * here is getting these values into the property list. 1884*da6c28aaSamw */ 1885*da6c28aaSamw error = zfs_normalization_get(zc->zc_value, nvprops, 1886*da6c28aaSamw &zct.zct_norm, B_TRUE); 1887*da6c28aaSamw if (error != 0) { 1888*da6c28aaSamw dmu_objset_close(clone); 1889*da6c28aaSamw nvlist_free(nvprops); 1890*da6c28aaSamw return (error); 1891*da6c28aaSamw } 1892fa9e4066Sahrens dmu_objset_close(clone); 1893fa9e4066Sahrens } else { 1894e9dbad6fSeschrock if (cbfunc == NULL) { 1895ecd6cf80Smarks nvlist_free(nvprops); 18961d452cf5Sahrens return (EINVAL); 1897e9dbad6fSeschrock } 18985c5460e9Seschrock 1899e9dbad6fSeschrock if (type == DMU_OST_ZVOL) { 1900e9dbad6fSeschrock uint64_t volsize, volblocksize; 1901e9dbad6fSeschrock 1902ecd6cf80Smarks if (nvprops == NULL || 1903ecd6cf80Smarks nvlist_lookup_uint64(nvprops, 1904e9dbad6fSeschrock zfs_prop_to_name(ZFS_PROP_VOLSIZE), 1905e9dbad6fSeschrock &volsize) != 0) { 1906ecd6cf80Smarks nvlist_free(nvprops); 1907e9dbad6fSeschrock return (EINVAL); 1908e9dbad6fSeschrock } 1909e9dbad6fSeschrock 1910ecd6cf80Smarks if ((error = nvlist_lookup_uint64(nvprops, 1911e9dbad6fSeschrock zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), 1912e9dbad6fSeschrock &volblocksize)) != 0 && error != ENOENT) { 1913ecd6cf80Smarks nvlist_free(nvprops); 1914e9dbad6fSeschrock return (EINVAL); 1915e9dbad6fSeschrock } 1916e9dbad6fSeschrock 1917e9dbad6fSeschrock if (error != 0) 1918e9dbad6fSeschrock volblocksize = zfs_prop_default_numeric( 1919e9dbad6fSeschrock ZFS_PROP_VOLBLOCKSIZE); 1920e9dbad6fSeschrock 1921e9dbad6fSeschrock if ((error = zvol_check_volblocksize( 1922e9dbad6fSeschrock volblocksize)) != 0 || 1923e9dbad6fSeschrock (error = zvol_check_volsize(volsize, 1924e9dbad6fSeschrock volblocksize)) != 0) { 1925ecd6cf80Smarks nvlist_free(nvprops); 19265c5460e9Seschrock return (error); 1927e9dbad6fSeschrock } 1928e7437265Sahrens } else if (type == DMU_OST_ZFS) { 1929e7437265Sahrens uint64_t version; 1930*da6c28aaSamw int error; 1931*da6c28aaSamw 1932*da6c28aaSamw error = nvlist_lookup_uint64(nvprops, 1933*da6c28aaSamw zfs_prop_to_name(ZFS_PROP_VERSION), &version); 1934e7437265Sahrens 1935*da6c28aaSamw if (error == 0 && (version < ZPL_VERSION_INITIAL || 1936e7437265Sahrens version > ZPL_VERSION)) { 1937e7437265Sahrens nvlist_free(nvprops); 1938*da6c28aaSamw return (ENOTSUP); 1939*da6c28aaSamw } else if (error == 0 && version >= ZPL_VERSION_FUID && 1940*da6c28aaSamw zfs_check_version(zc->zc_name, SPA_VERSION_FUID)) { 1941*da6c28aaSamw nvlist_free(nvprops); 1942*da6c28aaSamw return (ENOTSUP); 1943e7437265Sahrens } 1944e9dbad6fSeschrock 1945*da6c28aaSamw /* 1946*da6c28aaSamw * We have to have normalization and 1947*da6c28aaSamw * case-folding flags correct when we do the 1948*da6c28aaSamw * file system creation, so go figure them out 1949*da6c28aaSamw * now. The final argument to zfs_normalization_get() 1950*da6c28aaSamw * tells that routine not to update the nvprops 1951*da6c28aaSamw * list. 1952*da6c28aaSamw */ 1953*da6c28aaSamw error = zfs_normalization_get(zc->zc_name, nvprops, 1954*da6c28aaSamw &zct.zct_norm, B_FALSE); 1955*da6c28aaSamw if (error != 0) { 1956*da6c28aaSamw nvlist_free(nvprops); 1957*da6c28aaSamw return (error); 1958*da6c28aaSamw } 1959*da6c28aaSamw } 1960e9dbad6fSeschrock error = dmu_objset_create(zc->zc_name, type, NULL, cbfunc, 1961*da6c28aaSamw &zct); 1962fa9e4066Sahrens } 1963e9dbad6fSeschrock 1964e9dbad6fSeschrock /* 1965e9dbad6fSeschrock * It would be nice to do this atomically. 1966e9dbad6fSeschrock */ 1967e9dbad6fSeschrock if (error == 0) { 196891ebeef5Sahrens if ((error = zfs_set_prop_nvlist(zc->zc_name, nvprops)) != 0) 1969e9dbad6fSeschrock (void) dmu_objset_destroy(zc->zc_name); 1970e9dbad6fSeschrock } 1971e9dbad6fSeschrock 1972ecd6cf80Smarks nvlist_free(nvprops); 1973fa9e4066Sahrens return (error); 1974fa9e4066Sahrens } 1975fa9e4066Sahrens 1976fa9e4066Sahrens static int 19771d452cf5Sahrens zfs_ioc_snapshot(zfs_cmd_t *zc) 1978fa9e4066Sahrens { 1979e9dbad6fSeschrock if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) 19801d452cf5Sahrens return (EINVAL); 19811d452cf5Sahrens return (dmu_objset_snapshot(zc->zc_name, 1982e9dbad6fSeschrock zc->zc_value, zc->zc_cookie)); 19831d452cf5Sahrens } 1984fa9e4066Sahrens 1985cdf5b4caSmmusante int 19861d452cf5Sahrens zfs_unmount_snap(char *name, void *arg) 19871d452cf5Sahrens { 19881d452cf5Sahrens char *snapname = arg; 19891d452cf5Sahrens char *cp; 19900b69c2f0Sahrens vfs_t *vfsp = NULL; 19911d452cf5Sahrens 19921d452cf5Sahrens /* 19931d452cf5Sahrens * Snapshots (which are under .zfs control) must be unmounted 19941d452cf5Sahrens * before they can be destroyed. 19951d452cf5Sahrens */ 19961d452cf5Sahrens 19971d452cf5Sahrens if (snapname) { 19981d452cf5Sahrens (void) strcat(name, "@"); 19991d452cf5Sahrens (void) strcat(name, snapname); 20001d452cf5Sahrens vfsp = zfs_get_vfs(name); 20011d452cf5Sahrens cp = strchr(name, '@'); 20021d452cf5Sahrens *cp = '\0'; 20030b69c2f0Sahrens } else if (strchr(name, '@')) { 20041d452cf5Sahrens vfsp = zfs_get_vfs(name); 20051d452cf5Sahrens } 20061d452cf5Sahrens 20071d452cf5Sahrens if (vfsp) { 2008fa9e4066Sahrens /* 20091d452cf5Sahrens * Always force the unmount for snapshots. 2010fa9e4066Sahrens */ 20111d452cf5Sahrens int flag = MS_FORCE; 20121d452cf5Sahrens int err; 20131d452cf5Sahrens 20141d452cf5Sahrens if ((err = vn_vfswlock(vfsp->vfs_vnodecovered)) != 0) { 2015fa9e4066Sahrens VFS_RELE(vfsp); 20161d452cf5Sahrens return (err); 2017fa9e4066Sahrens } 20181d452cf5Sahrens VFS_RELE(vfsp); 20191d452cf5Sahrens if ((err = dounmount(vfsp, flag, kcred)) != 0) 20201d452cf5Sahrens return (err); 20211d452cf5Sahrens } 20221d452cf5Sahrens return (0); 20231d452cf5Sahrens } 20241d452cf5Sahrens 20251d452cf5Sahrens static int 20261d452cf5Sahrens zfs_ioc_destroy_snaps(zfs_cmd_t *zc) 20271d452cf5Sahrens { 20281d452cf5Sahrens int err; 20291d452cf5Sahrens 2030e9dbad6fSeschrock if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) 20311d452cf5Sahrens return (EINVAL); 20321d452cf5Sahrens err = dmu_objset_find(zc->zc_name, 2033e9dbad6fSeschrock zfs_unmount_snap, zc->zc_value, DS_FIND_CHILDREN); 20341d452cf5Sahrens if (err) 20351d452cf5Sahrens return (err); 2036e9dbad6fSeschrock return (dmu_snapshots_destroy(zc->zc_name, zc->zc_value)); 20371d452cf5Sahrens } 20381d452cf5Sahrens 20391d452cf5Sahrens static int 20401d452cf5Sahrens zfs_ioc_destroy(zfs_cmd_t *zc) 20411d452cf5Sahrens { 20421d452cf5Sahrens if (strchr(zc->zc_name, '@') && zc->zc_objset_type == DMU_OST_ZFS) { 20431d452cf5Sahrens int err = zfs_unmount_snap(zc->zc_name, NULL); 20441d452cf5Sahrens if (err) 20451d452cf5Sahrens return (err); 2046fa9e4066Sahrens } 2047fa9e4066Sahrens 2048fa9e4066Sahrens return (dmu_objset_destroy(zc->zc_name)); 2049fa9e4066Sahrens } 2050fa9e4066Sahrens 2051fa9e4066Sahrens static int 2052fa9e4066Sahrens zfs_ioc_rollback(zfs_cmd_t *zc) 2053fa9e4066Sahrens { 2054fa9e4066Sahrens return (dmu_objset_rollback(zc->zc_name)); 2055fa9e4066Sahrens } 2056fa9e4066Sahrens 2057fa9e4066Sahrens static int 2058fa9e4066Sahrens zfs_ioc_rename(zfs_cmd_t *zc) 2059fa9e4066Sahrens { 20607f1f55eaSvb boolean_t recursive = zc->zc_cookie & 1; 2061cdf5b4caSmmusante 2062e9dbad6fSeschrock zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; 2063f18faf3fSek if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || 2064f18faf3fSek strchr(zc->zc_value, '%')) 2065fa9e4066Sahrens return (EINVAL); 2066fa9e4066Sahrens 2067cdf5b4caSmmusante /* 2068cdf5b4caSmmusante * Unmount snapshot unless we're doing a recursive rename, 2069cdf5b4caSmmusante * in which case the dataset code figures out which snapshots 2070cdf5b4caSmmusante * to unmount. 2071cdf5b4caSmmusante */ 2072cdf5b4caSmmusante if (!recursive && strchr(zc->zc_name, '@') != NULL && 2073fa9e4066Sahrens zc->zc_objset_type == DMU_OST_ZFS) { 20741d452cf5Sahrens int err = zfs_unmount_snap(zc->zc_name, NULL); 20751d452cf5Sahrens if (err) 20761d452cf5Sahrens return (err); 2077fa9e4066Sahrens } 2078fa9e4066Sahrens 2079cdf5b4caSmmusante return (dmu_objset_rename(zc->zc_name, zc->zc_value, recursive)); 2080fa9e4066Sahrens } 2081fa9e4066Sahrens 2082fa9e4066Sahrens static int 2083fa9e4066Sahrens zfs_ioc_recvbackup(zfs_cmd_t *zc) 2084fa9e4066Sahrens { 2085fa9e4066Sahrens file_t *fp; 2086a2eea2e1Sahrens offset_t new_off; 2087f18faf3fSek objset_t *os; 2088f18faf3fSek zfsvfs_t *zfsvfs = NULL; 2089f18faf3fSek char *cp; 2090f18faf3fSek char cosname[MAXNAMELEN]; 2091f18faf3fSek boolean_t force = (boolean_t)zc->zc_guid; 2092f18faf3fSek int error, fd; 2093fa9e4066Sahrens 20943ccfa83cSahrens if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || 2095f18faf3fSek strchr(zc->zc_value, '@') == NULL || 2096f18faf3fSek strchr(zc->zc_value, '%')) 20973ccfa83cSahrens return (EINVAL); 20983ccfa83cSahrens 2099fa9e4066Sahrens fd = zc->zc_cookie; 2100fa9e4066Sahrens fp = getf(fd); 2101fa9e4066Sahrens if (fp == NULL) 2102fa9e4066Sahrens return (EBADF); 2103f18faf3fSek 2104f18faf3fSek /* 2105f18faf3fSek * Get the zfsvfs for the receiving objset. There 2106f18faf3fSek * won't be one if we're operating on a zvol, if the 2107f18faf3fSek * objset doesn't exist yet, or is not mounted. 2108f18faf3fSek */ 2109f18faf3fSek cp = strchr(zc->zc_value, '@'); 2110f18faf3fSek *cp = '\0'; 2111f18faf3fSek error = dmu_objset_open(zc->zc_value, DMU_OST_ANY, 2112f18faf3fSek DS_MODE_STANDARD | DS_MODE_READONLY, &os); 2113f18faf3fSek *cp = '@'; 2114f18faf3fSek if (!error) { 2115f18faf3fSek if (dmu_objset_type(os) == DMU_OST_ZFS) { 2116f18faf3fSek mutex_enter(&os->os->os_user_ptr_lock); 2117f18faf3fSek zfsvfs = dmu_objset_get_user(os); 2118f18faf3fSek if (zfsvfs != NULL) 2119f18faf3fSek VFS_HOLD(zfsvfs->z_vfs); 2120f18faf3fSek mutex_exit(&os->os->os_user_ptr_lock); 2121f18faf3fSek } 2122f18faf3fSek dmu_objset_close(os); 2123f18faf3fSek } 2124f18faf3fSek 2125e9dbad6fSeschrock error = dmu_recvbackup(zc->zc_value, &zc->zc_begin_record, 2126f18faf3fSek &zc->zc_cookie, force, zfsvfs != NULL, fp->f_vnode, 2127f18faf3fSek fp->f_offset, cosname); 2128f18faf3fSek 2129f18faf3fSek /* 2130f18faf3fSek * For incremental snapshots where we created a 2131f18faf3fSek * temporary clone, we now swap zfsvfs::z_os with 2132f18faf3fSek * the newly created and received "cosname". 2133f18faf3fSek */ 2134f18faf3fSek if (!error && zfsvfs != NULL) { 2135f18faf3fSek char osname[MAXNAMELEN]; 2136f18faf3fSek int mode; 2137f18faf3fSek 2138f18faf3fSek error = zfs_suspend_fs(zfsvfs, osname, &mode); 2139f18faf3fSek if (!error) { 2140f18faf3fSek int swap_err; 2141f18faf3fSek int snap_err = 0; 2142f18faf3fSek 2143f18faf3fSek swap_err = dsl_dataset_clone_swap(cosname, force); 2144f18faf3fSek if (!swap_err) { 2145f18faf3fSek char *cp = strrchr(zc->zc_value, '@'); 2146f18faf3fSek 2147f18faf3fSek *cp = '\0'; 2148f18faf3fSek snap_err = dmu_replay_end_snapshot(zc->zc_value, 2149f18faf3fSek &zc->zc_begin_record); 2150f18faf3fSek *cp = '@'; 2151f18faf3fSek } 2152f18faf3fSek error = zfs_resume_fs(zfsvfs, osname, mode); 2153f18faf3fSek if (!error) 2154f18faf3fSek error = swap_err; 2155f18faf3fSek if (!error) 2156f18faf3fSek error = snap_err; 2157f18faf3fSek } 2158a2eea2e1Sahrens 2159f18faf3fSek /* destroy the clone we created */ 2160f18faf3fSek (void) dmu_objset_destroy(cosname); 2161f18faf3fSek } 2162f18faf3fSek if (zfsvfs != NULL) 2163f18faf3fSek VFS_RELE(zfsvfs->z_vfs); 2164a2eea2e1Sahrens new_off = fp->f_offset + zc->zc_cookie; 2165*da6c28aaSamw if (VOP_SEEK(fp->f_vnode, fp->f_offset, &new_off, NULL) == 0) 2166a2eea2e1Sahrens fp->f_offset = new_off; 2167a2eea2e1Sahrens 2168fa9e4066Sahrens releasef(fd); 2169fa9e4066Sahrens return (error); 2170fa9e4066Sahrens } 2171fa9e4066Sahrens 2172fa9e4066Sahrens static int 2173fa9e4066Sahrens zfs_ioc_sendbackup(zfs_cmd_t *zc) 2174fa9e4066Sahrens { 2175fa9e4066Sahrens objset_t *fromsnap = NULL; 2176fa9e4066Sahrens objset_t *tosnap; 2177fa9e4066Sahrens file_t *fp; 2178fa9e4066Sahrens int error; 2179fa9e4066Sahrens 2180fa9e4066Sahrens error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, 2181fa9e4066Sahrens DS_MODE_STANDARD | DS_MODE_READONLY, &tosnap); 2182fa9e4066Sahrens if (error) 2183fa9e4066Sahrens return (error); 2184fa9e4066Sahrens 2185e9dbad6fSeschrock if (zc->zc_value[0] != '\0') { 2186a2eea2e1Sahrens char buf[MAXPATHLEN]; 2187a2eea2e1Sahrens char *cp; 2188a2eea2e1Sahrens 2189a2eea2e1Sahrens (void) strncpy(buf, zc->zc_name, sizeof (buf)); 2190a2eea2e1Sahrens cp = strchr(buf, '@'); 2191a2eea2e1Sahrens if (cp) 2192a2eea2e1Sahrens *(cp+1) = 0; 2193a2eea2e1Sahrens (void) strncat(buf, zc->zc_value, sizeof (buf)); 2194a2eea2e1Sahrens error = dmu_objset_open(buf, DMU_OST_ANY, 2195fa9e4066Sahrens DS_MODE_STANDARD | DS_MODE_READONLY, &fromsnap); 2196fa9e4066Sahrens if (error) { 2197fa9e4066Sahrens dmu_objset_close(tosnap); 2198fa9e4066Sahrens return (error); 2199fa9e4066Sahrens } 2200fa9e4066Sahrens } 2201fa9e4066Sahrens 2202fa9e4066Sahrens fp = getf(zc->zc_cookie); 2203fa9e4066Sahrens if (fp == NULL) { 2204fa9e4066Sahrens dmu_objset_close(tosnap); 2205fa9e4066Sahrens if (fromsnap) 2206fa9e4066Sahrens dmu_objset_close(fromsnap); 2207fa9e4066Sahrens return (EBADF); 2208fa9e4066Sahrens } 2209fa9e4066Sahrens 2210fa9e4066Sahrens error = dmu_sendbackup(tosnap, fromsnap, fp->f_vnode); 2211fa9e4066Sahrens 2212fa9e4066Sahrens releasef(zc->zc_cookie); 2213fa9e4066Sahrens if (fromsnap) 2214fa9e4066Sahrens dmu_objset_close(fromsnap); 2215fa9e4066Sahrens dmu_objset_close(tosnap); 2216fa9e4066Sahrens return (error); 2217fa9e4066Sahrens } 2218fa9e4066Sahrens 2219ea8dc4b6Seschrock static int 2220ea8dc4b6Seschrock zfs_ioc_inject_fault(zfs_cmd_t *zc) 2221ea8dc4b6Seschrock { 2222ea8dc4b6Seschrock int id, error; 2223ea8dc4b6Seschrock 2224ea8dc4b6Seschrock error = zio_inject_fault(zc->zc_name, (int)zc->zc_guid, &id, 2225ea8dc4b6Seschrock &zc->zc_inject_record); 2226ea8dc4b6Seschrock 2227ea8dc4b6Seschrock if (error == 0) 2228ea8dc4b6Seschrock zc->zc_guid = (uint64_t)id; 2229ea8dc4b6Seschrock 2230ea8dc4b6Seschrock return (error); 2231ea8dc4b6Seschrock } 2232ea8dc4b6Seschrock 2233ea8dc4b6Seschrock static int 2234ea8dc4b6Seschrock zfs_ioc_clear_fault(zfs_cmd_t *zc) 2235ea8dc4b6Seschrock { 2236ea8dc4b6Seschrock return (zio_clear_fault((int)zc->zc_guid)); 2237ea8dc4b6Seschrock } 2238ea8dc4b6Seschrock 2239ea8dc4b6Seschrock static int 2240ea8dc4b6Seschrock zfs_ioc_inject_list_next(zfs_cmd_t *zc) 2241ea8dc4b6Seschrock { 2242ea8dc4b6Seschrock int id = (int)zc->zc_guid; 2243ea8dc4b6Seschrock int error; 2244ea8dc4b6Seschrock 2245ea8dc4b6Seschrock error = zio_inject_list_next(&id, zc->zc_name, sizeof (zc->zc_name), 2246ea8dc4b6Seschrock &zc->zc_inject_record); 2247ea8dc4b6Seschrock 2248ea8dc4b6Seschrock zc->zc_guid = id; 2249ea8dc4b6Seschrock 2250ea8dc4b6Seschrock return (error); 2251ea8dc4b6Seschrock } 2252ea8dc4b6Seschrock 2253ea8dc4b6Seschrock static int 2254ea8dc4b6Seschrock zfs_ioc_error_log(zfs_cmd_t *zc) 2255ea8dc4b6Seschrock { 2256ea8dc4b6Seschrock spa_t *spa; 2257ea8dc4b6Seschrock int error; 2258e9dbad6fSeschrock size_t count = (size_t)zc->zc_nvlist_dst_size; 2259ea8dc4b6Seschrock 2260ea8dc4b6Seschrock if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 2261ea8dc4b6Seschrock return (error); 2262ea8dc4b6Seschrock 2263e9dbad6fSeschrock error = spa_get_errlog(spa, (void *)(uintptr_t)zc->zc_nvlist_dst, 2264ea8dc4b6Seschrock &count); 2265ea8dc4b6Seschrock if (error == 0) 2266e9dbad6fSeschrock zc->zc_nvlist_dst_size = count; 2267ea8dc4b6Seschrock else 2268e9dbad6fSeschrock zc->zc_nvlist_dst_size = spa_get_errlog_size(spa); 2269ea8dc4b6Seschrock 2270ea8dc4b6Seschrock spa_close(spa, FTAG); 2271ea8dc4b6Seschrock 2272ea8dc4b6Seschrock return (error); 2273ea8dc4b6Seschrock } 2274ea8dc4b6Seschrock 2275ea8dc4b6Seschrock static int 2276ea8dc4b6Seschrock zfs_ioc_clear(zfs_cmd_t *zc) 2277ea8dc4b6Seschrock { 2278ea8dc4b6Seschrock spa_t *spa; 2279ea8dc4b6Seschrock vdev_t *vd; 22803d7072f8Seschrock uint64_t txg; 2281bb8b5132Sek int error; 2282ea8dc4b6Seschrock 2283ea8dc4b6Seschrock if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 2284ea8dc4b6Seschrock return (error); 2285ea8dc4b6Seschrock 22860a4e9518Sgw /* 22870a4e9518Sgw * Try to resume any I/Os which may have been suspended 22880a4e9518Sgw * as a result of a complete pool failure. 22890a4e9518Sgw */ 22900a4e9518Sgw if (!list_is_empty(&spa->spa_zio_list)) { 22910a4e9518Sgw if (zio_vdev_resume_io(spa) != 0) { 22920a4e9518Sgw spa_close(spa, FTAG); 22930a4e9518Sgw return (EIO); 22940a4e9518Sgw } 22950a4e9518Sgw } 22960a4e9518Sgw 22973d7072f8Seschrock txg = spa_vdev_enter(spa); 2298ea8dc4b6Seschrock 2299e9dbad6fSeschrock if (zc->zc_guid == 0) { 2300ea8dc4b6Seschrock vd = NULL; 2301e9dbad6fSeschrock } else if ((vd = spa_lookup_by_guid(spa, zc->zc_guid)) == NULL) { 23023d7072f8Seschrock (void) spa_vdev_exit(spa, NULL, txg, ENODEV); 2303ea8dc4b6Seschrock spa_close(spa, FTAG); 2304ea8dc4b6Seschrock return (ENODEV); 2305ea8dc4b6Seschrock } 2306ea8dc4b6Seschrock 23070a4e9518Sgw vdev_clear(spa, vd, B_TRUE); 2308ea8dc4b6Seschrock 23093d7072f8Seschrock (void) spa_vdev_exit(spa, NULL, txg, 0); 2310ea8dc4b6Seschrock 2311ea8dc4b6Seschrock spa_close(spa, FTAG); 2312ea8dc4b6Seschrock 2313ea8dc4b6Seschrock return (0); 2314ea8dc4b6Seschrock } 2315ea8dc4b6Seschrock 231699653d4eSeschrock static int 231799653d4eSeschrock zfs_ioc_promote(zfs_cmd_t *zc) 231899653d4eSeschrock { 23190b69c2f0Sahrens char *cp; 23200b69c2f0Sahrens 23210b69c2f0Sahrens /* 23220b69c2f0Sahrens * We don't need to unmount *all* the origin fs's snapshots, but 23230b69c2f0Sahrens * it's easier. 23240b69c2f0Sahrens */ 2325e9dbad6fSeschrock cp = strchr(zc->zc_value, '@'); 23260b69c2f0Sahrens if (cp) 23270b69c2f0Sahrens *cp = '\0'; 2328e9dbad6fSeschrock (void) dmu_objset_find(zc->zc_value, 23290b69c2f0Sahrens zfs_unmount_snap, NULL, DS_FIND_SNAPSHOTS); 233099653d4eSeschrock return (dsl_dataset_promote(zc->zc_name)); 233199653d4eSeschrock } 233299653d4eSeschrock 2333ecd6cf80Smarks /* 2334ecd6cf80Smarks * We don't want to have a hard dependency 2335ecd6cf80Smarks * against some special symbols in sharefs 2336*da6c28aaSamw * nfs, and smbsrv. Determine them if needed when 2337ecd6cf80Smarks * the first file system is shared. 2338*da6c28aaSamw * Neither sharefs, nfs or smbsrv are unloadable modules. 2339ecd6cf80Smarks */ 2340*da6c28aaSamw int (*znfsexport_fs)(void *arg); 2341ecd6cf80Smarks int (*zshare_fs)(enum sharefs_sys_op, share_t *, uint32_t); 2342*da6c28aaSamw int (*zsmbexport_fs)(void *arg, boolean_t add_share); 2343*da6c28aaSamw 2344*da6c28aaSamw int zfs_nfsshare_inited; 2345*da6c28aaSamw int zfs_smbshare_inited; 2346ecd6cf80Smarks 2347ecd6cf80Smarks ddi_modhandle_t nfs_mod; 2348ecd6cf80Smarks ddi_modhandle_t sharefs_mod; 2349*da6c28aaSamw ddi_modhandle_t smbsrv_mod; 2350ecd6cf80Smarks kmutex_t zfs_share_lock; 2351ecd6cf80Smarks 2352*da6c28aaSamw static int 2353*da6c28aaSamw zfs_init_sharefs() 2354*da6c28aaSamw { 2355*da6c28aaSamw int error; 2356*da6c28aaSamw 2357*da6c28aaSamw ASSERT(MUTEX_HELD(&zfs_share_lock)); 2358*da6c28aaSamw /* Both NFS and SMB shares also require sharetab support. */ 2359*da6c28aaSamw if (sharefs_mod == NULL && ((sharefs_mod = 2360*da6c28aaSamw ddi_modopen("fs/sharefs", 2361*da6c28aaSamw KRTLD_MODE_FIRST, &error)) == NULL)) { 2362*da6c28aaSamw return (ENOSYS); 2363*da6c28aaSamw } 2364*da6c28aaSamw if (zshare_fs == NULL && ((zshare_fs = 2365*da6c28aaSamw (int (*)(enum sharefs_sys_op, share_t *, uint32_t)) 2366*da6c28aaSamw ddi_modsym(sharefs_mod, "sharefs_impl", &error)) == NULL)) { 2367*da6c28aaSamw return (ENOSYS); 2368*da6c28aaSamw } 2369*da6c28aaSamw return (0); 2370*da6c28aaSamw } 2371*da6c28aaSamw 2372ecd6cf80Smarks static int 2373ecd6cf80Smarks zfs_ioc_share(zfs_cmd_t *zc) 2374ecd6cf80Smarks { 2375ecd6cf80Smarks int error; 2376ecd6cf80Smarks int opcode; 2377ecd6cf80Smarks 2378*da6c28aaSamw switch (zc->zc_share.z_sharetype) { 2379*da6c28aaSamw case ZFS_SHARE_NFS: 2380*da6c28aaSamw case ZFS_UNSHARE_NFS: 2381*da6c28aaSamw if (zfs_nfsshare_inited == 0) { 2382*da6c28aaSamw mutex_enter(&zfs_share_lock); 2383*da6c28aaSamw if (nfs_mod == NULL && ((nfs_mod = ddi_modopen("fs/nfs", 2384*da6c28aaSamw KRTLD_MODE_FIRST, &error)) == NULL)) { 2385*da6c28aaSamw mutex_exit(&zfs_share_lock); 2386*da6c28aaSamw return (ENOSYS); 2387*da6c28aaSamw } 2388*da6c28aaSamw if (znfsexport_fs == NULL && 2389*da6c28aaSamw ((znfsexport_fs = (int (*)(void *)) 2390*da6c28aaSamw ddi_modsym(nfs_mod, 2391*da6c28aaSamw "nfs_export", &error)) == NULL)) { 2392*da6c28aaSamw mutex_exit(&zfs_share_lock); 2393*da6c28aaSamw return (ENOSYS); 2394*da6c28aaSamw } 2395*da6c28aaSamw error = zfs_init_sharefs(); 2396*da6c28aaSamw if (error) { 2397*da6c28aaSamw mutex_exit(&zfs_share_lock); 2398*da6c28aaSamw return (ENOSYS); 2399*da6c28aaSamw } 2400*da6c28aaSamw zfs_nfsshare_inited = 1; 2401ecd6cf80Smarks mutex_exit(&zfs_share_lock); 2402ecd6cf80Smarks } 2403*da6c28aaSamw break; 2404*da6c28aaSamw case ZFS_SHARE_SMB: 2405*da6c28aaSamw case ZFS_UNSHARE_SMB: 2406*da6c28aaSamw if (zfs_smbshare_inited == 0) { 2407*da6c28aaSamw mutex_enter(&zfs_share_lock); 2408*da6c28aaSamw if (smbsrv_mod == NULL && ((smbsrv_mod = 2409*da6c28aaSamw ddi_modopen("drv/smbsrv", 2410*da6c28aaSamw KRTLD_MODE_FIRST, &error)) == NULL)) { 2411*da6c28aaSamw mutex_exit(&zfs_share_lock); 2412*da6c28aaSamw return (ENOSYS); 2413*da6c28aaSamw } 2414*da6c28aaSamw if (zsmbexport_fs == NULL && ((zsmbexport_fs = 2415*da6c28aaSamw (int (*)(void *, boolean_t))ddi_modsym(smbsrv_mod, 2416*da6c28aaSamw "lmshrd_share_upcall", &error)) == NULL)) { 2417*da6c28aaSamw mutex_exit(&zfs_share_lock); 2418*da6c28aaSamw return (ENOSYS); 2419*da6c28aaSamw } 2420*da6c28aaSamw error = zfs_init_sharefs(); 2421*da6c28aaSamw if (error) { 2422*da6c28aaSamw mutex_exit(&zfs_share_lock); 2423*da6c28aaSamw return (ENOSYS); 2424*da6c28aaSamw } 2425*da6c28aaSamw zfs_smbshare_inited = 1; 2426ecd6cf80Smarks mutex_exit(&zfs_share_lock); 2427ecd6cf80Smarks } 2428*da6c28aaSamw break; 2429*da6c28aaSamw default: 2430*da6c28aaSamw return (EINVAL); 2431*da6c28aaSamw } 2432ecd6cf80Smarks 2433*da6c28aaSamw switch (zc->zc_share.z_sharetype) { 2434*da6c28aaSamw case ZFS_SHARE_NFS: 2435*da6c28aaSamw case ZFS_UNSHARE_NFS: 2436*da6c28aaSamw if (error = 2437*da6c28aaSamw znfsexport_fs((void *) 2438*da6c28aaSamw (uintptr_t)zc->zc_share.z_exportdata)) 2439*da6c28aaSamw return (error); 2440*da6c28aaSamw break; 2441*da6c28aaSamw case ZFS_SHARE_SMB: 2442*da6c28aaSamw case ZFS_UNSHARE_SMB: 2443*da6c28aaSamw if (error = zsmbexport_fs((void *) 2444*da6c28aaSamw (uintptr_t)zc->zc_share.z_exportdata, 2445*da6c28aaSamw zc->zc_share.z_sharetype == ZFS_SHARE_SMB ? 2446*da6c28aaSamw B_TRUE : B_FALSE)) { 2447*da6c28aaSamw return (error); 2448ecd6cf80Smarks } 2449*da6c28aaSamw break; 2450ecd6cf80Smarks } 2451ecd6cf80Smarks 2452*da6c28aaSamw opcode = (zc->zc_share.z_sharetype == ZFS_SHARE_NFS || 2453*da6c28aaSamw zc->zc_share.z_sharetype == ZFS_SHARE_SMB) ? 2454ecd6cf80Smarks SHAREFS_ADD : SHAREFS_REMOVE; 2455ecd6cf80Smarks 2456*da6c28aaSamw /* 2457*da6c28aaSamw * Add or remove share from sharetab 2458*da6c28aaSamw */ 2459ecd6cf80Smarks error = zshare_fs(opcode, 2460ecd6cf80Smarks (void *)(uintptr_t)zc->zc_share.z_sharedata, 2461ecd6cf80Smarks zc->zc_share.z_sharemax); 2462ecd6cf80Smarks 2463ecd6cf80Smarks return (error); 2464ecd6cf80Smarks 2465ecd6cf80Smarks } 2466ecd6cf80Smarks 2467ecd6cf80Smarks /* 24682a6b87f0Sek * pool create, destroy, and export don't log the history as part of 24692a6b87f0Sek * zfsdev_ioctl, but rather zfs_ioc_pool_create, and zfs_ioc_pool_export 24702a6b87f0Sek * do the logging of those commands. 2471ecd6cf80Smarks */ 2472fa9e4066Sahrens static zfs_ioc_vec_t zfs_ioc_vec[] = { 2473228975ccSek { zfs_ioc_pool_create, zfs_secpolicy_config, POOL_NAME, B_FALSE }, 2474e7437265Sahrens { zfs_ioc_pool_destroy, zfs_secpolicy_config, POOL_NAME, B_FALSE }, 2475e7437265Sahrens { zfs_ioc_pool_import, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2476e7437265Sahrens { zfs_ioc_pool_export, zfs_secpolicy_config, POOL_NAME, B_FALSE }, 2477e7437265Sahrens { zfs_ioc_pool_configs, zfs_secpolicy_none, NO_NAME, B_FALSE }, 2478e7437265Sahrens { zfs_ioc_pool_stats, zfs_secpolicy_read, POOL_NAME, B_FALSE }, 2479e7437265Sahrens { zfs_ioc_pool_tryimport, zfs_secpolicy_config, NO_NAME, B_FALSE }, 2480e7437265Sahrens { zfs_ioc_pool_scrub, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2481e7437265Sahrens { zfs_ioc_pool_freeze, zfs_secpolicy_config, NO_NAME, B_FALSE }, 2482e7437265Sahrens { zfs_ioc_pool_upgrade, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2483e7437265Sahrens { zfs_ioc_pool_get_history, zfs_secpolicy_config, POOL_NAME, B_FALSE }, 2484e7437265Sahrens { zfs_ioc_vdev_add, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2485e7437265Sahrens { zfs_ioc_vdev_remove, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2486e7437265Sahrens { zfs_ioc_vdev_set_state, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2487e7437265Sahrens { zfs_ioc_vdev_attach, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2488e7437265Sahrens { zfs_ioc_vdev_detach, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2489e7437265Sahrens { zfs_ioc_vdev_setpath, zfs_secpolicy_config, POOL_NAME, B_FALSE }, 2490e7437265Sahrens { zfs_ioc_objset_stats, zfs_secpolicy_read, DATASET_NAME, B_FALSE }, 2491bd00f61bSrm { zfs_ioc_objset_version, zfs_secpolicy_read, DATASET_NAME, B_FALSE }, 2492ecd6cf80Smarks { zfs_ioc_dataset_list_next, zfs_secpolicy_read, 2493e7437265Sahrens DATASET_NAME, B_FALSE }, 2494ecd6cf80Smarks { zfs_ioc_snapshot_list_next, zfs_secpolicy_read, 2495e7437265Sahrens DATASET_NAME, B_FALSE }, 2496e7437265Sahrens { zfs_ioc_set_prop, zfs_secpolicy_none, DATASET_NAME, B_TRUE }, 2497e7437265Sahrens { zfs_ioc_create_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE }, 2498e7437265Sahrens { zfs_ioc_remove_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE }, 2499e7437265Sahrens { zfs_ioc_create, zfs_secpolicy_create, DATASET_NAME, B_TRUE }, 2500e7437265Sahrens { zfs_ioc_destroy, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE }, 2501e7437265Sahrens { zfs_ioc_rollback, zfs_secpolicy_rollback, DATASET_NAME, B_TRUE }, 2502e7437265Sahrens { zfs_ioc_rename, zfs_secpolicy_rename, DATASET_NAME, B_TRUE }, 2503e7437265Sahrens { zfs_ioc_recvbackup, zfs_secpolicy_receive, DATASET_NAME, B_TRUE }, 2504e7437265Sahrens { zfs_ioc_sendbackup, zfs_secpolicy_send, DATASET_NAME, B_TRUE }, 2505e7437265Sahrens { zfs_ioc_inject_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE }, 2506e7437265Sahrens { zfs_ioc_clear_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE }, 2507e7437265Sahrens { zfs_ioc_inject_list_next, zfs_secpolicy_inject, NO_NAME, B_FALSE }, 2508e7437265Sahrens { zfs_ioc_error_log, zfs_secpolicy_inject, POOL_NAME, B_FALSE }, 2509e7437265Sahrens { zfs_ioc_clear, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2510e7437265Sahrens { zfs_ioc_promote, zfs_secpolicy_promote, DATASET_NAME, B_TRUE }, 2511e7437265Sahrens { zfs_ioc_destroy_snaps, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE }, 2512e7437265Sahrens { zfs_ioc_snapshot, zfs_secpolicy_snapshot, DATASET_NAME, B_TRUE }, 2513e7437265Sahrens { zfs_ioc_dsobj_to_dsname, zfs_secpolicy_config, POOL_NAME, B_FALSE }, 2514e7437265Sahrens { zfs_ioc_obj_to_path, zfs_secpolicy_config, NO_NAME, B_FALSE }, 2515e7437265Sahrens { zfs_ioc_pool_set_props, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2516e7437265Sahrens { zfs_ioc_pool_get_props, zfs_secpolicy_read, POOL_NAME, B_FALSE }, 2517e7437265Sahrens { zfs_ioc_set_fsacl, zfs_secpolicy_fsacl, DATASET_NAME, B_TRUE }, 2518e7437265Sahrens { zfs_ioc_get_fsacl, zfs_secpolicy_read, DATASET_NAME, B_FALSE }, 2519ecd6cf80Smarks { zfs_ioc_iscsi_perm_check, zfs_secpolicy_iscsi, 2520e7437265Sahrens DATASET_NAME, B_FALSE }, 2521e45ce728Sahrens { zfs_ioc_share, zfs_secpolicy_share, DATASET_NAME, B_FALSE }, 2522e45ce728Sahrens { zfs_ioc_inherit_prop, zfs_secpolicy_inherit, DATASET_NAME, B_TRUE }, 2523fa9e4066Sahrens }; 2524fa9e4066Sahrens 2525fa9e4066Sahrens static int 2526fa9e4066Sahrens zfsdev_ioctl(dev_t dev, int cmd, intptr_t arg, int flag, cred_t *cr, int *rvalp) 2527fa9e4066Sahrens { 2528fa9e4066Sahrens zfs_cmd_t *zc; 2529fa9e4066Sahrens uint_t vec; 25301d452cf5Sahrens int error, rc; 2531fa9e4066Sahrens 2532fa9e4066Sahrens if (getminor(dev) != 0) 2533fa9e4066Sahrens return (zvol_ioctl(dev, cmd, arg, flag, cr, rvalp)); 2534fa9e4066Sahrens 2535fa9e4066Sahrens vec = cmd - ZFS_IOC; 253691ebeef5Sahrens ASSERT3U(getmajor(dev), ==, ddi_driver_major(zfs_dip)); 2537fa9e4066Sahrens 2538fa9e4066Sahrens if (vec >= sizeof (zfs_ioc_vec) / sizeof (zfs_ioc_vec[0])) 2539fa9e4066Sahrens return (EINVAL); 2540fa9e4066Sahrens 2541fa9e4066Sahrens zc = kmem_zalloc(sizeof (zfs_cmd_t), KM_SLEEP); 2542fa9e4066Sahrens 2543fa9e4066Sahrens error = xcopyin((void *)arg, zc, sizeof (zfs_cmd_t)); 2544fa9e4066Sahrens 254591ebeef5Sahrens if (error == 0) 2546ecd6cf80Smarks error = zfs_ioc_vec[vec].zvec_secpolicy(zc, cr); 2547fa9e4066Sahrens 2548fa9e4066Sahrens /* 2549fa9e4066Sahrens * Ensure that all pool/dataset names are valid before we pass down to 2550fa9e4066Sahrens * the lower layers. 2551fa9e4066Sahrens */ 2552fa9e4066Sahrens if (error == 0) { 2553fa9e4066Sahrens zc->zc_name[sizeof (zc->zc_name) - 1] = '\0'; 2554fa9e4066Sahrens switch (zfs_ioc_vec[vec].zvec_namecheck) { 2555e7437265Sahrens case POOL_NAME: 2556fa9e4066Sahrens if (pool_namecheck(zc->zc_name, NULL, NULL) != 0) 2557fa9e4066Sahrens error = EINVAL; 2558fa9e4066Sahrens break; 2559fa9e4066Sahrens 2560e7437265Sahrens case DATASET_NAME: 2561fa9e4066Sahrens if (dataset_namecheck(zc->zc_name, NULL, NULL) != 0) 2562fa9e4066Sahrens error = EINVAL; 2563fa9e4066Sahrens break; 25645ad82045Snd 2565e7437265Sahrens case NO_NAME: 25665ad82045Snd break; 2567fa9e4066Sahrens } 2568fa9e4066Sahrens } 2569fa9e4066Sahrens 2570fa9e4066Sahrens if (error == 0) 2571fa9e4066Sahrens error = zfs_ioc_vec[vec].zvec_func(zc); 2572fa9e4066Sahrens 25731d452cf5Sahrens rc = xcopyout(zc, (void *)arg, sizeof (zfs_cmd_t)); 2574ecd6cf80Smarks if (error == 0) { 25751d452cf5Sahrens error = rc; 2576ecd6cf80Smarks if (zfs_ioc_vec[vec].zvec_his_log == B_TRUE) 2577ecd6cf80Smarks zfs_log_history(zc); 2578ecd6cf80Smarks } 2579fa9e4066Sahrens 2580fa9e4066Sahrens kmem_free(zc, sizeof (zfs_cmd_t)); 2581fa9e4066Sahrens return (error); 2582fa9e4066Sahrens } 2583fa9e4066Sahrens 2584fa9e4066Sahrens static int 2585fa9e4066Sahrens zfs_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 2586fa9e4066Sahrens { 2587fa9e4066Sahrens if (cmd != DDI_ATTACH) 2588fa9e4066Sahrens return (DDI_FAILURE); 2589fa9e4066Sahrens 2590fa9e4066Sahrens if (ddi_create_minor_node(dip, "zfs", S_IFCHR, 0, 2591fa9e4066Sahrens DDI_PSEUDO, 0) == DDI_FAILURE) 2592fa9e4066Sahrens return (DDI_FAILURE); 2593fa9e4066Sahrens 2594fa9e4066Sahrens zfs_dip = dip; 2595fa9e4066Sahrens 2596fa9e4066Sahrens ddi_report_dev(dip); 2597fa9e4066Sahrens 2598fa9e4066Sahrens return (DDI_SUCCESS); 2599fa9e4066Sahrens } 2600fa9e4066Sahrens 2601fa9e4066Sahrens static int 2602fa9e4066Sahrens zfs_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 2603fa9e4066Sahrens { 2604fa9e4066Sahrens if (spa_busy() || zfs_busy() || zvol_busy()) 2605fa9e4066Sahrens return (DDI_FAILURE); 2606fa9e4066Sahrens 2607fa9e4066Sahrens if (cmd != DDI_DETACH) 2608fa9e4066Sahrens return (DDI_FAILURE); 2609fa9e4066Sahrens 2610fa9e4066Sahrens zfs_dip = NULL; 2611fa9e4066Sahrens 2612fa9e4066Sahrens ddi_prop_remove_all(dip); 2613fa9e4066Sahrens ddi_remove_minor_node(dip, NULL); 2614fa9e4066Sahrens 2615fa9e4066Sahrens return (DDI_SUCCESS); 2616fa9e4066Sahrens } 2617fa9e4066Sahrens 2618fa9e4066Sahrens /*ARGSUSED*/ 2619fa9e4066Sahrens static int 2620fa9e4066Sahrens zfs_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) 2621fa9e4066Sahrens { 2622fa9e4066Sahrens switch (infocmd) { 2623fa9e4066Sahrens case DDI_INFO_DEVT2DEVINFO: 2624fa9e4066Sahrens *result = zfs_dip; 2625fa9e4066Sahrens return (DDI_SUCCESS); 2626fa9e4066Sahrens 2627fa9e4066Sahrens case DDI_INFO_DEVT2INSTANCE: 2628a0965f35Sbonwick *result = (void *)0; 2629fa9e4066Sahrens return (DDI_SUCCESS); 2630fa9e4066Sahrens } 2631fa9e4066Sahrens 2632fa9e4066Sahrens return (DDI_FAILURE); 2633fa9e4066Sahrens } 2634fa9e4066Sahrens 2635fa9e4066Sahrens /* 2636fa9e4066Sahrens * OK, so this is a little weird. 2637fa9e4066Sahrens * 2638fa9e4066Sahrens * /dev/zfs is the control node, i.e. minor 0. 2639fa9e4066Sahrens * /dev/zvol/[r]dsk/pool/dataset are the zvols, minor > 0. 2640fa9e4066Sahrens * 2641fa9e4066Sahrens * /dev/zfs has basically nothing to do except serve up ioctls, 2642fa9e4066Sahrens * so most of the standard driver entry points are in zvol.c. 2643fa9e4066Sahrens */ 2644fa9e4066Sahrens static struct cb_ops zfs_cb_ops = { 2645fa9e4066Sahrens zvol_open, /* open */ 2646fa9e4066Sahrens zvol_close, /* close */ 2647fa9e4066Sahrens zvol_strategy, /* strategy */ 2648fa9e4066Sahrens nodev, /* print */ 2649fa9e4066Sahrens nodev, /* dump */ 2650fa9e4066Sahrens zvol_read, /* read */ 2651fa9e4066Sahrens zvol_write, /* write */ 2652fa9e4066Sahrens zfsdev_ioctl, /* ioctl */ 2653fa9e4066Sahrens nodev, /* devmap */ 2654fa9e4066Sahrens nodev, /* mmap */ 2655fa9e4066Sahrens nodev, /* segmap */ 2656fa9e4066Sahrens nochpoll, /* poll */ 2657fa9e4066Sahrens ddi_prop_op, /* prop_op */ 2658fa9e4066Sahrens NULL, /* streamtab */ 2659fa9e4066Sahrens D_NEW | D_MP | D_64BIT, /* Driver compatibility flag */ 2660fa9e4066Sahrens CB_REV, /* version */ 2661feb08c6bSbillm nodev, /* async read */ 2662feb08c6bSbillm nodev, /* async write */ 2663fa9e4066Sahrens }; 2664fa9e4066Sahrens 2665fa9e4066Sahrens static struct dev_ops zfs_dev_ops = { 2666fa9e4066Sahrens DEVO_REV, /* version */ 2667fa9e4066Sahrens 0, /* refcnt */ 2668fa9e4066Sahrens zfs_info, /* info */ 2669fa9e4066Sahrens nulldev, /* identify */ 2670fa9e4066Sahrens nulldev, /* probe */ 2671fa9e4066Sahrens zfs_attach, /* attach */ 2672fa9e4066Sahrens zfs_detach, /* detach */ 2673fa9e4066Sahrens nodev, /* reset */ 2674fa9e4066Sahrens &zfs_cb_ops, /* driver operations */ 2675fa9e4066Sahrens NULL /* no bus operations */ 2676fa9e4066Sahrens }; 2677fa9e4066Sahrens 2678fa9e4066Sahrens static struct modldrv zfs_modldrv = { 2679e7437265Sahrens &mod_driverops, "ZFS storage pool version " SPA_VERSION_STRING, 2680e9dbad6fSeschrock &zfs_dev_ops 2681fa9e4066Sahrens }; 2682fa9e4066Sahrens 2683fa9e4066Sahrens static struct modlinkage modlinkage = { 2684fa9e4066Sahrens MODREV_1, 2685fa9e4066Sahrens (void *)&zfs_modlfs, 2686fa9e4066Sahrens (void *)&zfs_modldrv, 2687fa9e4066Sahrens NULL 2688fa9e4066Sahrens }; 2689fa9e4066Sahrens 2690ec533521Sfr 2691ec533521Sfr uint_t zfs_fsyncer_key; 2692f18faf3fSek extern uint_t rrw_tsd_key; 2693ec533521Sfr 2694fa9e4066Sahrens int 2695fa9e4066Sahrens _init(void) 2696fa9e4066Sahrens { 2697fa9e4066Sahrens int error; 2698fa9e4066Sahrens 2699a0965f35Sbonwick spa_init(FREAD | FWRITE); 2700a0965f35Sbonwick zfs_init(); 2701a0965f35Sbonwick zvol_init(); 2702a0965f35Sbonwick 2703a0965f35Sbonwick if ((error = mod_install(&modlinkage)) != 0) { 2704a0965f35Sbonwick zvol_fini(); 2705a0965f35Sbonwick zfs_fini(); 2706a0965f35Sbonwick spa_fini(); 2707fa9e4066Sahrens return (error); 2708a0965f35Sbonwick } 2709fa9e4066Sahrens 2710ec533521Sfr tsd_create(&zfs_fsyncer_key, NULL); 2711f18faf3fSek tsd_create(&rrw_tsd_key, NULL); 2712ec533521Sfr 2713fa9e4066Sahrens error = ldi_ident_from_mod(&modlinkage, &zfs_li); 2714fa9e4066Sahrens ASSERT(error == 0); 2715ecd6cf80Smarks mutex_init(&zfs_share_lock, NULL, MUTEX_DEFAULT, NULL); 2716fa9e4066Sahrens 2717fa9e4066Sahrens return (0); 2718fa9e4066Sahrens } 2719fa9e4066Sahrens 2720fa9e4066Sahrens int 2721fa9e4066Sahrens _fini(void) 2722fa9e4066Sahrens { 2723fa9e4066Sahrens int error; 2724fa9e4066Sahrens 2725ea8dc4b6Seschrock if (spa_busy() || zfs_busy() || zvol_busy() || zio_injection_enabled) 2726fa9e4066Sahrens return (EBUSY); 2727fa9e4066Sahrens 2728fa9e4066Sahrens if ((error = mod_remove(&modlinkage)) != 0) 2729fa9e4066Sahrens return (error); 2730fa9e4066Sahrens 2731fa9e4066Sahrens zvol_fini(); 2732fa9e4066Sahrens zfs_fini(); 2733fa9e4066Sahrens spa_fini(); 2734*da6c28aaSamw if (zfs_nfsshare_inited) 2735ecd6cf80Smarks (void) ddi_modclose(nfs_mod); 2736*da6c28aaSamw if (zfs_smbshare_inited) 2737*da6c28aaSamw (void) ddi_modclose(smbsrv_mod); 2738*da6c28aaSamw if (zfs_nfsshare_inited || zfs_smbshare_inited) 2739ecd6cf80Smarks (void) ddi_modclose(sharefs_mod); 2740fa9e4066Sahrens 2741ec533521Sfr tsd_destroy(&zfs_fsyncer_key); 2742fa9e4066Sahrens ldi_ident_release(zfs_li); 2743fa9e4066Sahrens zfs_li = NULL; 2744ecd6cf80Smarks mutex_destroy(&zfs_share_lock); 2745fa9e4066Sahrens 2746fa9e4066Sahrens return (error); 2747fa9e4066Sahrens } 2748fa9e4066Sahrens 2749fa9e4066Sahrens int 2750fa9e4066Sahrens _info(struct modinfo *modinfop) 2751fa9e4066Sahrens { 2752fa9e4066Sahrens return (mod_info(&modlinkage, modinfop)); 2753fa9e4066Sahrens } 2754