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> 41da6c28aaSamw #include <sys/zfs_i18n.h> 42da6c28aaSamw #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> 65da6c28aaSamw #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*c2a93d44Stimh /* 161*c2a93d44Stimh * zfs_check_version 162*c2a93d44Stimh * 163*c2a93d44Stimh * Return non-zero if the spa version is less than requested version. 164*c2a93d44Stimh */ 165da6c28aaSamw static int 166da6c28aaSamw zfs_check_version(const char *name, int version) 167da6c28aaSamw { 168da6c28aaSamw 169da6c28aaSamw spa_t *spa; 170da6c28aaSamw 171da6c28aaSamw if (spa_open(name, &spa, FTAG) == 0) { 172da6c28aaSamw if (spa_version(spa) < version) { 173da6c28aaSamw spa_close(spa, FTAG); 174da6c28aaSamw return (1); 175da6c28aaSamw } 176da6c28aaSamw spa_close(spa, FTAG); 177da6c28aaSamw } 178da6c28aaSamw return (0); 179da6c28aaSamw } 180da6c28aaSamw 181228975ccSek static void 182228975ccSek zfs_log_history(zfs_cmd_t *zc) 183228975ccSek { 184228975ccSek spa_t *spa; 185228975ccSek char *buf; 186ecd6cf80Smarks 187228975ccSek if ((buf = history_str_get(zc)) == NULL) 188228975ccSek return; 189228975ccSek 190228975ccSek if (spa_open(zc->zc_name, &spa, FTAG) == 0) { 191228975ccSek if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY) 192228975ccSek (void) spa_history_log(spa, buf, LOG_CMD_NORMAL); 193228975ccSek spa_close(spa, FTAG); 194228975ccSek } 195228975ccSek history_str_free(buf); 196ecd6cf80Smarks } 197ecd6cf80Smarks 198fa9e4066Sahrens /* 199fa9e4066Sahrens * Policy for top-level read operations (list pools). Requires no privileges, 200fa9e4066Sahrens * and can be used in the local zone, as there is no associated dataset. 201fa9e4066Sahrens */ 202fa9e4066Sahrens /* ARGSUSED */ 203fa9e4066Sahrens static int 204ecd6cf80Smarks zfs_secpolicy_none(zfs_cmd_t *zc, cred_t *cr) 205fa9e4066Sahrens { 206fa9e4066Sahrens return (0); 207fa9e4066Sahrens } 208fa9e4066Sahrens 209fa9e4066Sahrens /* 210fa9e4066Sahrens * Policy for dataset read operations (list children, get statistics). Requires 211fa9e4066Sahrens * no privileges, but must be visible in the local zone. 212fa9e4066Sahrens */ 213fa9e4066Sahrens /* ARGSUSED */ 214fa9e4066Sahrens static int 215ecd6cf80Smarks zfs_secpolicy_read(zfs_cmd_t *zc, cred_t *cr) 216fa9e4066Sahrens { 217fa9e4066Sahrens if (INGLOBALZONE(curproc) || 218ecd6cf80Smarks zone_dataset_visible(zc->zc_name, NULL)) 219fa9e4066Sahrens return (0); 220fa9e4066Sahrens 221fa9e4066Sahrens return (ENOENT); 222fa9e4066Sahrens } 223fa9e4066Sahrens 224fa9e4066Sahrens static int 225fa9e4066Sahrens zfs_dozonecheck(const char *dataset, cred_t *cr) 226fa9e4066Sahrens { 227fa9e4066Sahrens uint64_t zoned; 228fa9e4066Sahrens int writable = 1; 229fa9e4066Sahrens 230fa9e4066Sahrens /* 231fa9e4066Sahrens * The dataset must be visible by this zone -- check this first 232fa9e4066Sahrens * so they don't see EPERM on something they shouldn't know about. 233fa9e4066Sahrens */ 234fa9e4066Sahrens if (!INGLOBALZONE(curproc) && 235fa9e4066Sahrens !zone_dataset_visible(dataset, &writable)) 236fa9e4066Sahrens return (ENOENT); 237fa9e4066Sahrens 238fa9e4066Sahrens if (dsl_prop_get_integer(dataset, "zoned", &zoned, NULL)) 239fa9e4066Sahrens return (ENOENT); 240fa9e4066Sahrens 241fa9e4066Sahrens if (INGLOBALZONE(curproc)) { 242fa9e4066Sahrens /* 243fa9e4066Sahrens * If the fs is zoned, only root can access it from the 244fa9e4066Sahrens * global zone. 245fa9e4066Sahrens */ 246fa9e4066Sahrens if (secpolicy_zfs(cr) && zoned) 247fa9e4066Sahrens return (EPERM); 248fa9e4066Sahrens } else { 249fa9e4066Sahrens /* 250fa9e4066Sahrens * If we are in a local zone, the 'zoned' property must be set. 251fa9e4066Sahrens */ 252fa9e4066Sahrens if (!zoned) 253fa9e4066Sahrens return (EPERM); 254fa9e4066Sahrens 255fa9e4066Sahrens /* must be writable by this zone */ 256fa9e4066Sahrens if (!writable) 257fa9e4066Sahrens return (EPERM); 258fa9e4066Sahrens } 259fa9e4066Sahrens return (0); 260fa9e4066Sahrens } 261fa9e4066Sahrens 262fa9e4066Sahrens int 263ecd6cf80Smarks zfs_secpolicy_write_perms(const char *name, const char *perm, cred_t *cr) 264fa9e4066Sahrens { 265fa9e4066Sahrens int error; 266fa9e4066Sahrens 267ecd6cf80Smarks error = zfs_dozonecheck(name, cr); 268ecd6cf80Smarks if (error == 0) { 269ecd6cf80Smarks error = secpolicy_zfs(cr); 270db870a07Sahrens if (error) 271ecd6cf80Smarks error = dsl_deleg_access(name, perm, cr); 272ecd6cf80Smarks } 273ecd6cf80Smarks return (error); 274ecd6cf80Smarks } 275ecd6cf80Smarks 276ecd6cf80Smarks static int 277ecd6cf80Smarks zfs_secpolicy_setprop(const char *name, zfs_prop_t prop, cred_t *cr) 278ecd6cf80Smarks { 279ecd6cf80Smarks /* 280ecd6cf80Smarks * Check permissions for special properties. 281ecd6cf80Smarks */ 282ecd6cf80Smarks switch (prop) { 283ecd6cf80Smarks case ZFS_PROP_ZONED: 284ecd6cf80Smarks /* 285ecd6cf80Smarks * Disallow setting of 'zoned' from within a local zone. 286ecd6cf80Smarks */ 287ecd6cf80Smarks if (!INGLOBALZONE(curproc)) 288ecd6cf80Smarks return (EPERM); 289ecd6cf80Smarks break; 290ecd6cf80Smarks 291ecd6cf80Smarks case ZFS_PROP_QUOTA: 292ecd6cf80Smarks if (!INGLOBALZONE(curproc)) { 293ecd6cf80Smarks uint64_t zoned; 294ecd6cf80Smarks char setpoint[MAXNAMELEN]; 295ecd6cf80Smarks /* 296ecd6cf80Smarks * Unprivileged users are allowed to modify the 297ecd6cf80Smarks * quota on things *under* (ie. contained by) 298ecd6cf80Smarks * the thing they own. 299ecd6cf80Smarks */ 300ecd6cf80Smarks if (dsl_prop_get_integer(name, "zoned", &zoned, 301ecd6cf80Smarks setpoint)) 302ecd6cf80Smarks return (EPERM); 303db870a07Sahrens if (!zoned || strlen(name) <= strlen(setpoint)) 304ecd6cf80Smarks return (EPERM); 305ecd6cf80Smarks } 306db870a07Sahrens break; 307ecd6cf80Smarks } 308ecd6cf80Smarks 30991ebeef5Sahrens return (zfs_secpolicy_write_perms(name, zfs_prop_to_name(prop), cr)); 310ecd6cf80Smarks } 311ecd6cf80Smarks 312ecd6cf80Smarks int 313ecd6cf80Smarks zfs_secpolicy_fsacl(zfs_cmd_t *zc, cred_t *cr) 314ecd6cf80Smarks { 315ecd6cf80Smarks int error; 316ecd6cf80Smarks 317ecd6cf80Smarks error = zfs_dozonecheck(zc->zc_name, cr); 318ecd6cf80Smarks if (error) 319fa9e4066Sahrens return (error); 320fa9e4066Sahrens 321ecd6cf80Smarks /* 322ecd6cf80Smarks * permission to set permissions will be evaluated later in 323ecd6cf80Smarks * dsl_deleg_can_allow() 324ecd6cf80Smarks */ 325ecd6cf80Smarks return (0); 326ecd6cf80Smarks } 327ecd6cf80Smarks 328ecd6cf80Smarks int 329ecd6cf80Smarks zfs_secpolicy_rollback(zfs_cmd_t *zc, cred_t *cr) 330ecd6cf80Smarks { 331ecd6cf80Smarks int error; 332ecd6cf80Smarks error = zfs_secpolicy_write_perms(zc->zc_name, 333ecd6cf80Smarks ZFS_DELEG_PERM_ROLLBACK, cr); 334ecd6cf80Smarks if (error == 0) 335ecd6cf80Smarks error = zfs_secpolicy_write_perms(zc->zc_name, 336ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr); 337ecd6cf80Smarks return (error); 338ecd6cf80Smarks } 339ecd6cf80Smarks 340ecd6cf80Smarks int 341ecd6cf80Smarks zfs_secpolicy_send(zfs_cmd_t *zc, cred_t *cr) 342ecd6cf80Smarks { 343ecd6cf80Smarks return (zfs_secpolicy_write_perms(zc->zc_name, 344ecd6cf80Smarks ZFS_DELEG_PERM_SEND, cr)); 345ecd6cf80Smarks } 346ecd6cf80Smarks 347ecd6cf80Smarks int 348ecd6cf80Smarks zfs_secpolicy_share(zfs_cmd_t *zc, cred_t *cr) 349ecd6cf80Smarks { 350ecd6cf80Smarks if (!INGLOBALZONE(curproc)) 351ecd6cf80Smarks return (EPERM); 352ecd6cf80Smarks 3533cb34c60Sahrens if (secpolicy_nfs(cr) == 0) { 354ecd6cf80Smarks return (0); 355ecd6cf80Smarks } else { 356ecd6cf80Smarks vnode_t *vp; 357ecd6cf80Smarks int error; 358ecd6cf80Smarks 359ecd6cf80Smarks if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, 360ecd6cf80Smarks NO_FOLLOW, NULL, &vp)) != 0) 361ecd6cf80Smarks return (error); 362ecd6cf80Smarks 363ecd6cf80Smarks /* Now make sure mntpnt and dataset are ZFS */ 364ecd6cf80Smarks 365ecd6cf80Smarks if (vp->v_vfsp->vfs_fstype != zfsfstype || 366ecd6cf80Smarks (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), 367ecd6cf80Smarks zc->zc_name) != 0)) { 368ecd6cf80Smarks VN_RELE(vp); 369ecd6cf80Smarks return (EPERM); 370ecd6cf80Smarks } 371ecd6cf80Smarks 372ecd6cf80Smarks VN_RELE(vp); 373ecd6cf80Smarks return (dsl_deleg_access(zc->zc_name, 374ecd6cf80Smarks ZFS_DELEG_PERM_SHARE, cr)); 375ecd6cf80Smarks } 376fa9e4066Sahrens } 377fa9e4066Sahrens 378fa9e4066Sahrens static int 379ecd6cf80Smarks zfs_get_parent(const char *datasetname, char *parent, int parentsize) 380fa9e4066Sahrens { 381fa9e4066Sahrens char *cp; 382fa9e4066Sahrens 383fa9e4066Sahrens /* 384fa9e4066Sahrens * Remove the @bla or /bla from the end of the name to get the parent. 385fa9e4066Sahrens */ 386ecd6cf80Smarks (void) strncpy(parent, datasetname, parentsize); 387ecd6cf80Smarks cp = strrchr(parent, '@'); 388fa9e4066Sahrens if (cp != NULL) { 389fa9e4066Sahrens cp[0] = '\0'; 390fa9e4066Sahrens } else { 391ecd6cf80Smarks cp = strrchr(parent, '/'); 392fa9e4066Sahrens if (cp == NULL) 393fa9e4066Sahrens return (ENOENT); 394fa9e4066Sahrens cp[0] = '\0'; 395ecd6cf80Smarks } 396ecd6cf80Smarks 397ecd6cf80Smarks return (0); 398ecd6cf80Smarks } 399ecd6cf80Smarks 400ecd6cf80Smarks int 401ecd6cf80Smarks zfs_secpolicy_destroy_perms(const char *name, cred_t *cr) 402ecd6cf80Smarks { 403ecd6cf80Smarks int error; 404ecd6cf80Smarks 405ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(name, 406ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 407ecd6cf80Smarks return (error); 408ecd6cf80Smarks 409ecd6cf80Smarks return (zfs_secpolicy_write_perms(name, ZFS_DELEG_PERM_DESTROY, cr)); 410ecd6cf80Smarks } 411ecd6cf80Smarks 412ecd6cf80Smarks static int 413ecd6cf80Smarks zfs_secpolicy_destroy(zfs_cmd_t *zc, cred_t *cr) 414ecd6cf80Smarks { 415ecd6cf80Smarks return (zfs_secpolicy_destroy_perms(zc->zc_name, cr)); 416ecd6cf80Smarks } 417ecd6cf80Smarks 418ecd6cf80Smarks /* 419ecd6cf80Smarks * Must have sys_config privilege to check the iscsi permission 420ecd6cf80Smarks */ 421ecd6cf80Smarks /* ARGSUSED */ 422ecd6cf80Smarks static int 423ecd6cf80Smarks zfs_secpolicy_iscsi(zfs_cmd_t *zc, cred_t *cr) 424ecd6cf80Smarks { 425ecd6cf80Smarks return (secpolicy_zfs(cr)); 426ecd6cf80Smarks } 427ecd6cf80Smarks 428ecd6cf80Smarks int 429ecd6cf80Smarks zfs_secpolicy_rename_perms(const char *from, const char *to, cred_t *cr) 430ecd6cf80Smarks { 431ecd6cf80Smarks char parentname[MAXNAMELEN]; 432ecd6cf80Smarks int error; 433ecd6cf80Smarks 434ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(from, 435ecd6cf80Smarks ZFS_DELEG_PERM_RENAME, cr)) != 0) 436ecd6cf80Smarks return (error); 437ecd6cf80Smarks 438ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(from, 439ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 440ecd6cf80Smarks return (error); 441ecd6cf80Smarks 442ecd6cf80Smarks if ((error = zfs_get_parent(to, parentname, 443ecd6cf80Smarks sizeof (parentname))) != 0) 444ecd6cf80Smarks return (error); 445ecd6cf80Smarks 446ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(parentname, 447ecd6cf80Smarks ZFS_DELEG_PERM_CREATE, cr)) != 0) 448ecd6cf80Smarks return (error); 449ecd6cf80Smarks 450ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(parentname, 451ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 452ecd6cf80Smarks return (error); 453ecd6cf80Smarks 454ecd6cf80Smarks return (error); 455ecd6cf80Smarks } 456ecd6cf80Smarks 457ecd6cf80Smarks static int 458ecd6cf80Smarks zfs_secpolicy_rename(zfs_cmd_t *zc, cred_t *cr) 459ecd6cf80Smarks { 460ecd6cf80Smarks return (zfs_secpolicy_rename_perms(zc->zc_name, zc->zc_value, cr)); 461ecd6cf80Smarks } 462ecd6cf80Smarks 463ecd6cf80Smarks static int 464ecd6cf80Smarks zfs_secpolicy_promote(zfs_cmd_t *zc, cred_t *cr) 465ecd6cf80Smarks { 466ecd6cf80Smarks char parentname[MAXNAMELEN]; 467ecd6cf80Smarks objset_t *clone; 468ecd6cf80Smarks int error; 469ecd6cf80Smarks 470ecd6cf80Smarks error = zfs_secpolicy_write_perms(zc->zc_name, 471ecd6cf80Smarks ZFS_DELEG_PERM_PROMOTE, cr); 472ecd6cf80Smarks if (error) 473ecd6cf80Smarks return (error); 474ecd6cf80Smarks 475ecd6cf80Smarks error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, 476ecd6cf80Smarks DS_MODE_STANDARD | DS_MODE_READONLY, &clone); 477ecd6cf80Smarks 478ecd6cf80Smarks if (error == 0) { 479ecd6cf80Smarks dsl_dataset_t *pclone = NULL; 480ecd6cf80Smarks dsl_dir_t *dd; 481ecd6cf80Smarks dd = clone->os->os_dsl_dataset->ds_dir; 482ecd6cf80Smarks 483ecd6cf80Smarks rw_enter(&dd->dd_pool->dp_config_rwlock, RW_READER); 484ecd6cf80Smarks error = dsl_dataset_open_obj(dd->dd_pool, 4853cb34c60Sahrens dd->dd_phys->dd_origin_obj, NULL, 486ecd6cf80Smarks DS_MODE_NONE, FTAG, &pclone); 487ecd6cf80Smarks rw_exit(&dd->dd_pool->dp_config_rwlock); 488ecd6cf80Smarks if (error) { 489ecd6cf80Smarks dmu_objset_close(clone); 490ecd6cf80Smarks return (error); 491ecd6cf80Smarks } 492ecd6cf80Smarks 493ecd6cf80Smarks error = zfs_secpolicy_write_perms(zc->zc_name, 494ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr); 495ecd6cf80Smarks 496ecd6cf80Smarks dsl_dataset_name(pclone, parentname); 497ecd6cf80Smarks dmu_objset_close(clone); 498ecd6cf80Smarks dsl_dataset_close(pclone, DS_MODE_NONE, FTAG); 499ecd6cf80Smarks if (error == 0) 500ecd6cf80Smarks error = zfs_secpolicy_write_perms(parentname, 501ecd6cf80Smarks ZFS_DELEG_PERM_PROMOTE, cr); 502ecd6cf80Smarks } 503ecd6cf80Smarks return (error); 504ecd6cf80Smarks } 505ecd6cf80Smarks 506ecd6cf80Smarks static int 507ecd6cf80Smarks zfs_secpolicy_receive(zfs_cmd_t *zc, cred_t *cr) 508ecd6cf80Smarks { 509ecd6cf80Smarks int error; 510ecd6cf80Smarks 511ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(zc->zc_name, 512ecd6cf80Smarks ZFS_DELEG_PERM_RECEIVE, cr)) != 0) 513ecd6cf80Smarks return (error); 514ecd6cf80Smarks 515ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(zc->zc_name, 516ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)) != 0) 517ecd6cf80Smarks return (error); 518ecd6cf80Smarks 519ecd6cf80Smarks return (zfs_secpolicy_write_perms(zc->zc_name, 520ecd6cf80Smarks ZFS_DELEG_PERM_CREATE, cr)); 521ecd6cf80Smarks } 522ecd6cf80Smarks 523ecd6cf80Smarks int 524ecd6cf80Smarks zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr) 525ecd6cf80Smarks { 526ecd6cf80Smarks int error; 527ecd6cf80Smarks 528ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(name, 529ecd6cf80Smarks ZFS_DELEG_PERM_SNAPSHOT, cr)) != 0) 530ecd6cf80Smarks return (error); 531ecd6cf80Smarks 532ecd6cf80Smarks error = zfs_secpolicy_write_perms(name, 533ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr); 534ecd6cf80Smarks 535ecd6cf80Smarks return (error); 536ecd6cf80Smarks } 537ecd6cf80Smarks 538ecd6cf80Smarks static int 539ecd6cf80Smarks zfs_secpolicy_snapshot(zfs_cmd_t *zc, cred_t *cr) 540ecd6cf80Smarks { 541ecd6cf80Smarks 542ecd6cf80Smarks return (zfs_secpolicy_snapshot_perms(zc->zc_name, cr)); 543ecd6cf80Smarks } 544ecd6cf80Smarks 545ecd6cf80Smarks static int 546ecd6cf80Smarks zfs_secpolicy_create(zfs_cmd_t *zc, cred_t *cr) 547ecd6cf80Smarks { 548ecd6cf80Smarks char parentname[MAXNAMELEN]; 549ecd6cf80Smarks int error; 550ecd6cf80Smarks 551ecd6cf80Smarks if ((error = zfs_get_parent(zc->zc_name, parentname, 552ecd6cf80Smarks sizeof (parentname))) != 0) 553ecd6cf80Smarks return (error); 554fa9e4066Sahrens 555ecd6cf80Smarks if (zc->zc_value[0] != '\0') { 556ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(zc->zc_value, 557ecd6cf80Smarks ZFS_DELEG_PERM_CLONE, cr)) != 0) 558ecd6cf80Smarks return (error); 559fa9e4066Sahrens } 560fa9e4066Sahrens 561ecd6cf80Smarks if ((error = zfs_secpolicy_write_perms(parentname, 562ecd6cf80Smarks ZFS_DELEG_PERM_CREATE, cr)) != 0) 563ecd6cf80Smarks return (error); 564ecd6cf80Smarks 565ecd6cf80Smarks error = zfs_secpolicy_write_perms(parentname, 566ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr); 567ecd6cf80Smarks 568ecd6cf80Smarks return (error); 569ecd6cf80Smarks } 570ecd6cf80Smarks 571ecd6cf80Smarks static int 572ecd6cf80Smarks zfs_secpolicy_umount(zfs_cmd_t *zc, cred_t *cr) 573ecd6cf80Smarks { 574ecd6cf80Smarks int error; 575ecd6cf80Smarks 576ecd6cf80Smarks error = secpolicy_fs_unmount(cr, NULL); 577ecd6cf80Smarks if (error) { 578ecd6cf80Smarks error = dsl_deleg_access(zc->zc_name, ZFS_DELEG_PERM_MOUNT, cr); 579ecd6cf80Smarks } 580ecd6cf80Smarks return (error); 581fa9e4066Sahrens } 582fa9e4066Sahrens 583fa9e4066Sahrens /* 584fa9e4066Sahrens * Policy for pool operations - create/destroy pools, add vdevs, etc. Requires 585fa9e4066Sahrens * SYS_CONFIG privilege, which is not available in a local zone. 586fa9e4066Sahrens */ 587fa9e4066Sahrens /* ARGSUSED */ 588fa9e4066Sahrens static int 589ecd6cf80Smarks zfs_secpolicy_config(zfs_cmd_t *zc, cred_t *cr) 590fa9e4066Sahrens { 591fa9e4066Sahrens if (secpolicy_sys_config(cr, B_FALSE) != 0) 592fa9e4066Sahrens return (EPERM); 593fa9e4066Sahrens 594fa9e4066Sahrens return (0); 595fa9e4066Sahrens } 596fa9e4066Sahrens 597ecd6cf80Smarks /* 598ecd6cf80Smarks * Just like zfs_secpolicy_config, except that we will check for 599ecd6cf80Smarks * mount permission on the dataset for permission to create/remove 600ecd6cf80Smarks * the minor nodes. 601ecd6cf80Smarks */ 602ecd6cf80Smarks static int 603ecd6cf80Smarks zfs_secpolicy_minor(zfs_cmd_t *zc, cred_t *cr) 604ecd6cf80Smarks { 605ecd6cf80Smarks if (secpolicy_sys_config(cr, B_FALSE) != 0) { 606ecd6cf80Smarks return (dsl_deleg_access(zc->zc_name, 607ecd6cf80Smarks ZFS_DELEG_PERM_MOUNT, cr)); 608ecd6cf80Smarks } 609ecd6cf80Smarks 610ecd6cf80Smarks return (0); 611ecd6cf80Smarks } 612ecd6cf80Smarks 613ea8dc4b6Seschrock /* 614ea8dc4b6Seschrock * Policy for fault injection. Requires all privileges. 615ea8dc4b6Seschrock */ 616ea8dc4b6Seschrock /* ARGSUSED */ 617ea8dc4b6Seschrock static int 618ecd6cf80Smarks zfs_secpolicy_inject(zfs_cmd_t *zc, cred_t *cr) 619ea8dc4b6Seschrock { 620ea8dc4b6Seschrock return (secpolicy_zinject(cr)); 621ea8dc4b6Seschrock } 622ea8dc4b6Seschrock 623e45ce728Sahrens static int 624e45ce728Sahrens zfs_secpolicy_inherit(zfs_cmd_t *zc, cred_t *cr) 625e45ce728Sahrens { 626e45ce728Sahrens zfs_prop_t prop = zfs_name_to_prop(zc->zc_value); 627e45ce728Sahrens 628990b4856Slling if (prop == ZPROP_INVAL) { 629e45ce728Sahrens if (!zfs_prop_user(zc->zc_value)) 630e45ce728Sahrens return (EINVAL); 631e45ce728Sahrens return (zfs_secpolicy_write_perms(zc->zc_name, 632e45ce728Sahrens ZFS_DELEG_PERM_USERPROP, cr)); 633e45ce728Sahrens } else { 634e45ce728Sahrens if (!zfs_prop_inheritable(prop)) 635e45ce728Sahrens return (EINVAL); 636e45ce728Sahrens return (zfs_secpolicy_setprop(zc->zc_name, prop, cr)); 637e45ce728Sahrens } 638e45ce728Sahrens } 639e45ce728Sahrens 640fa9e4066Sahrens /* 641fa9e4066Sahrens * Returns the nvlist as specified by the user in the zfs_cmd_t. 642fa9e4066Sahrens */ 643fa9e4066Sahrens static int 644990b4856Slling get_nvlist(uint64_t nvl, uint64_t size, nvlist_t **nvp) 645fa9e4066Sahrens { 646fa9e4066Sahrens char *packed; 647fa9e4066Sahrens int error; 648990b4856Slling nvlist_t *list = NULL; 649fa9e4066Sahrens 650fa9e4066Sahrens /* 651e9dbad6fSeschrock * Read in and unpack the user-supplied nvlist. 652fa9e4066Sahrens */ 653990b4856Slling if (size == 0) 654fa9e4066Sahrens return (EINVAL); 655fa9e4066Sahrens 656fa9e4066Sahrens packed = kmem_alloc(size, KM_SLEEP); 657fa9e4066Sahrens 658990b4856Slling if ((error = xcopyin((void *)(uintptr_t)nvl, packed, size)) != 0) { 659fa9e4066Sahrens kmem_free(packed, size); 660fa9e4066Sahrens return (error); 661fa9e4066Sahrens } 662fa9e4066Sahrens 663990b4856Slling if ((error = nvlist_unpack(packed, size, &list, 0)) != 0) { 664fa9e4066Sahrens kmem_free(packed, size); 665fa9e4066Sahrens return (error); 666fa9e4066Sahrens } 667fa9e4066Sahrens 668fa9e4066Sahrens kmem_free(packed, size); 669fa9e4066Sahrens 670990b4856Slling *nvp = list; 671fa9e4066Sahrens return (0); 672fa9e4066Sahrens } 673fa9e4066Sahrens 674e9dbad6fSeschrock static int 675e9dbad6fSeschrock put_nvlist(zfs_cmd_t *zc, nvlist_t *nvl) 676e9dbad6fSeschrock { 677e9dbad6fSeschrock char *packed = NULL; 678e9dbad6fSeschrock size_t size; 679e9dbad6fSeschrock int error; 680e9dbad6fSeschrock 681e9dbad6fSeschrock VERIFY(nvlist_size(nvl, &size, NV_ENCODE_NATIVE) == 0); 682e9dbad6fSeschrock 683e9dbad6fSeschrock if (size > zc->zc_nvlist_dst_size) { 684e9dbad6fSeschrock error = ENOMEM; 685e9dbad6fSeschrock } else { 686da165920Smarks packed = kmem_alloc(size, KM_SLEEP); 687e9dbad6fSeschrock VERIFY(nvlist_pack(nvl, &packed, &size, NV_ENCODE_NATIVE, 688e9dbad6fSeschrock KM_SLEEP) == 0); 689e9dbad6fSeschrock error = xcopyout(packed, (void *)(uintptr_t)zc->zc_nvlist_dst, 690e9dbad6fSeschrock size); 691e9dbad6fSeschrock kmem_free(packed, size); 692e9dbad6fSeschrock } 693e9dbad6fSeschrock 694e9dbad6fSeschrock zc->zc_nvlist_dst_size = size; 695e9dbad6fSeschrock return (error); 696e9dbad6fSeschrock } 697e9dbad6fSeschrock 698fa9e4066Sahrens static int 699fa9e4066Sahrens zfs_ioc_pool_create(zfs_cmd_t *zc) 700fa9e4066Sahrens { 701fa9e4066Sahrens int error; 702990b4856Slling nvlist_t *config, *props = NULL; 703228975ccSek char *buf; 704fa9e4066Sahrens 705990b4856Slling if (error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 706990b4856Slling &config)) 707fa9e4066Sahrens return (error); 7082a6b87f0Sek 709990b4856Slling if (zc->zc_nvlist_src_size != 0 && (error = 710990b4856Slling get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, &props))) { 711990b4856Slling nvlist_free(config); 712990b4856Slling return (error); 713990b4856Slling } 714990b4856Slling 7152a6b87f0Sek buf = history_str_get(zc); 716fa9e4066Sahrens 717990b4856Slling error = spa_create(zc->zc_name, config, props, buf); 718fa9e4066Sahrens 7192a6b87f0Sek if (buf != NULL) 7202a6b87f0Sek history_str_free(buf); 721990b4856Slling 722fa9e4066Sahrens nvlist_free(config); 723fa9e4066Sahrens 724990b4856Slling if (props) 725990b4856Slling nvlist_free(props); 726990b4856Slling 727fa9e4066Sahrens return (error); 728fa9e4066Sahrens } 729fa9e4066Sahrens 730fa9e4066Sahrens static int 731fa9e4066Sahrens zfs_ioc_pool_destroy(zfs_cmd_t *zc) 732fa9e4066Sahrens { 733ecd6cf80Smarks int error; 734ecd6cf80Smarks zfs_log_history(zc); 735ecd6cf80Smarks error = spa_destroy(zc->zc_name); 736ecd6cf80Smarks return (error); 737fa9e4066Sahrens } 738fa9e4066Sahrens 739fa9e4066Sahrens static int 740fa9e4066Sahrens zfs_ioc_pool_import(zfs_cmd_t *zc) 741fa9e4066Sahrens { 742fa9e4066Sahrens int error; 743990b4856Slling nvlist_t *config, *props = NULL; 744fa9e4066Sahrens uint64_t guid; 745fa9e4066Sahrens 746990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 747990b4856Slling &config)) != 0) 748990b4856Slling return (error); 749990b4856Slling 750990b4856Slling if (zc->zc_nvlist_src_size != 0 && (error = 751990b4856Slling get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, &props))) { 752990b4856Slling nvlist_free(config); 753fa9e4066Sahrens return (error); 754990b4856Slling } 755fa9e4066Sahrens 756fa9e4066Sahrens if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &guid) != 0 || 757ea8dc4b6Seschrock guid != zc->zc_guid) 758fa9e4066Sahrens error = EINVAL; 759fa9e4066Sahrens else 760990b4856Slling error = spa_import(zc->zc_name, config, props); 761fa9e4066Sahrens 762fa9e4066Sahrens nvlist_free(config); 763fa9e4066Sahrens 764990b4856Slling if (props) 765990b4856Slling nvlist_free(props); 766990b4856Slling 767fa9e4066Sahrens return (error); 768fa9e4066Sahrens } 769fa9e4066Sahrens 770fa9e4066Sahrens static int 771fa9e4066Sahrens zfs_ioc_pool_export(zfs_cmd_t *zc) 772fa9e4066Sahrens { 773ecd6cf80Smarks int error; 774ecd6cf80Smarks zfs_log_history(zc); 775ecd6cf80Smarks error = spa_export(zc->zc_name, NULL); 776ecd6cf80Smarks return (error); 777fa9e4066Sahrens } 778fa9e4066Sahrens 779fa9e4066Sahrens static int 780fa9e4066Sahrens zfs_ioc_pool_configs(zfs_cmd_t *zc) 781fa9e4066Sahrens { 782fa9e4066Sahrens nvlist_t *configs; 783fa9e4066Sahrens int error; 784fa9e4066Sahrens 785fa9e4066Sahrens if ((configs = spa_all_configs(&zc->zc_cookie)) == NULL) 786fa9e4066Sahrens return (EEXIST); 787fa9e4066Sahrens 788e9dbad6fSeschrock error = put_nvlist(zc, configs); 789fa9e4066Sahrens 790fa9e4066Sahrens nvlist_free(configs); 791fa9e4066Sahrens 792fa9e4066Sahrens return (error); 793fa9e4066Sahrens } 794fa9e4066Sahrens 795fa9e4066Sahrens static int 796fa9e4066Sahrens zfs_ioc_pool_stats(zfs_cmd_t *zc) 797fa9e4066Sahrens { 798fa9e4066Sahrens nvlist_t *config; 799fa9e4066Sahrens int error; 800ea8dc4b6Seschrock int ret = 0; 801fa9e4066Sahrens 802e9dbad6fSeschrock error = spa_get_stats(zc->zc_name, &config, zc->zc_value, 803e9dbad6fSeschrock sizeof (zc->zc_value)); 804fa9e4066Sahrens 805fa9e4066Sahrens if (config != NULL) { 806e9dbad6fSeschrock ret = put_nvlist(zc, config); 807fa9e4066Sahrens nvlist_free(config); 808ea8dc4b6Seschrock 809ea8dc4b6Seschrock /* 810ea8dc4b6Seschrock * The config may be present even if 'error' is non-zero. 811ea8dc4b6Seschrock * In this case we return success, and preserve the real errno 812ea8dc4b6Seschrock * in 'zc_cookie'. 813ea8dc4b6Seschrock */ 814ea8dc4b6Seschrock zc->zc_cookie = error; 815fa9e4066Sahrens } else { 816ea8dc4b6Seschrock ret = error; 817fa9e4066Sahrens } 818fa9e4066Sahrens 819ea8dc4b6Seschrock return (ret); 820fa9e4066Sahrens } 821fa9e4066Sahrens 822fa9e4066Sahrens /* 823fa9e4066Sahrens * Try to import the given pool, returning pool stats as appropriate so that 824fa9e4066Sahrens * user land knows which devices are available and overall pool health. 825fa9e4066Sahrens */ 826fa9e4066Sahrens static int 827fa9e4066Sahrens zfs_ioc_pool_tryimport(zfs_cmd_t *zc) 828fa9e4066Sahrens { 829fa9e4066Sahrens nvlist_t *tryconfig, *config; 830fa9e4066Sahrens int error; 831fa9e4066Sahrens 832990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 833990b4856Slling &tryconfig)) != 0) 834fa9e4066Sahrens return (error); 835fa9e4066Sahrens 836fa9e4066Sahrens config = spa_tryimport(tryconfig); 837fa9e4066Sahrens 838fa9e4066Sahrens nvlist_free(tryconfig); 839fa9e4066Sahrens 840fa9e4066Sahrens if (config == NULL) 841fa9e4066Sahrens return (EINVAL); 842fa9e4066Sahrens 843e9dbad6fSeschrock error = put_nvlist(zc, config); 844fa9e4066Sahrens nvlist_free(config); 845fa9e4066Sahrens 846fa9e4066Sahrens return (error); 847fa9e4066Sahrens } 848fa9e4066Sahrens 849fa9e4066Sahrens static int 850fa9e4066Sahrens zfs_ioc_pool_scrub(zfs_cmd_t *zc) 851fa9e4066Sahrens { 852fa9e4066Sahrens spa_t *spa; 853fa9e4066Sahrens int error; 854fa9e4066Sahrens 85506eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 85606eeb2adSek return (error); 85706eeb2adSek 858bb8b5132Sek mutex_enter(&spa_namespace_lock); 85906eeb2adSek error = spa_scrub(spa, zc->zc_cookie, B_FALSE); 860bb8b5132Sek mutex_exit(&spa_namespace_lock); 86106eeb2adSek 86206eeb2adSek spa_close(spa, FTAG); 86306eeb2adSek 864fa9e4066Sahrens return (error); 865fa9e4066Sahrens } 866fa9e4066Sahrens 867fa9e4066Sahrens static int 868fa9e4066Sahrens zfs_ioc_pool_freeze(zfs_cmd_t *zc) 869fa9e4066Sahrens { 870fa9e4066Sahrens spa_t *spa; 871fa9e4066Sahrens int error; 872fa9e4066Sahrens 873fa9e4066Sahrens error = spa_open(zc->zc_name, &spa, FTAG); 874fa9e4066Sahrens if (error == 0) { 875fa9e4066Sahrens spa_freeze(spa); 876fa9e4066Sahrens spa_close(spa, FTAG); 877fa9e4066Sahrens } 878fa9e4066Sahrens return (error); 879fa9e4066Sahrens } 880fa9e4066Sahrens 881eaca9bbdSeschrock static int 882eaca9bbdSeschrock zfs_ioc_pool_upgrade(zfs_cmd_t *zc) 883eaca9bbdSeschrock { 884eaca9bbdSeschrock spa_t *spa; 885eaca9bbdSeschrock int error; 886eaca9bbdSeschrock 88706eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 88806eeb2adSek return (error); 88906eeb2adSek 890558d2d50Slling if (zc->zc_cookie < spa_version(spa) || zc->zc_cookie > SPA_VERSION) { 891558d2d50Slling spa_close(spa, FTAG); 892558d2d50Slling return (EINVAL); 893558d2d50Slling } 894558d2d50Slling 895990b4856Slling spa_upgrade(spa, zc->zc_cookie); 89606eeb2adSek spa_close(spa, FTAG); 89706eeb2adSek 89806eeb2adSek return (error); 89906eeb2adSek } 90006eeb2adSek 90106eeb2adSek static int 90206eeb2adSek zfs_ioc_pool_get_history(zfs_cmd_t *zc) 90306eeb2adSek { 90406eeb2adSek spa_t *spa; 90506eeb2adSek char *hist_buf; 90606eeb2adSek uint64_t size; 90706eeb2adSek int error; 90806eeb2adSek 90906eeb2adSek if ((size = zc->zc_history_len) == 0) 91006eeb2adSek return (EINVAL); 91106eeb2adSek 91206eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 91306eeb2adSek return (error); 91406eeb2adSek 915e7437265Sahrens if (spa_version(spa) < SPA_VERSION_ZPOOL_HISTORY) { 916d7306b64Sek spa_close(spa, FTAG); 917d7306b64Sek return (ENOTSUP); 918d7306b64Sek } 919d7306b64Sek 92006eeb2adSek hist_buf = kmem_alloc(size, KM_SLEEP); 92106eeb2adSek if ((error = spa_history_get(spa, &zc->zc_history_offset, 92206eeb2adSek &zc->zc_history_len, hist_buf)) == 0) { 923ecd6cf80Smarks error = xcopyout(hist_buf, 924ecd6cf80Smarks (char *)(uintptr_t)zc->zc_history, 92506eeb2adSek zc->zc_history_len); 92606eeb2adSek } 92706eeb2adSek 92806eeb2adSek spa_close(spa, FTAG); 92906eeb2adSek kmem_free(hist_buf, size); 93006eeb2adSek return (error); 93106eeb2adSek } 93206eeb2adSek 93355434c77Sek static int 93455434c77Sek zfs_ioc_dsobj_to_dsname(zfs_cmd_t *zc) 93555434c77Sek { 93655434c77Sek int error; 93755434c77Sek 938b1b8ab34Slling if (error = dsl_dsobj_to_dsname(zc->zc_name, zc->zc_obj, zc->zc_value)) 93955434c77Sek return (error); 94055434c77Sek 94155434c77Sek return (0); 94255434c77Sek } 94355434c77Sek 94455434c77Sek static int 94555434c77Sek zfs_ioc_obj_to_path(zfs_cmd_t *zc) 94655434c77Sek { 94755434c77Sek objset_t *osp; 94855434c77Sek int error; 94955434c77Sek 95055434c77Sek if ((error = dmu_objset_open(zc->zc_name, DMU_OST_ZFS, 95155434c77Sek DS_MODE_NONE | DS_MODE_READONLY, &osp)) != 0) 95255434c77Sek return (error); 95355434c77Sek 95455434c77Sek error = zfs_obj_to_path(osp, zc->zc_obj, zc->zc_value, 95555434c77Sek sizeof (zc->zc_value)); 95655434c77Sek dmu_objset_close(osp); 95755434c77Sek 95855434c77Sek return (error); 95955434c77Sek } 96055434c77Sek 961fa9e4066Sahrens static int 962fa9e4066Sahrens zfs_ioc_vdev_add(zfs_cmd_t *zc) 963fa9e4066Sahrens { 964fa9e4066Sahrens spa_t *spa; 965fa9e4066Sahrens int error; 966fa9e4066Sahrens nvlist_t *config; 967fa9e4066Sahrens 968fa9e4066Sahrens error = spa_open(zc->zc_name, &spa, FTAG); 969fa9e4066Sahrens if (error != 0) 970fa9e4066Sahrens return (error); 971fa9e4066Sahrens 972b1b8ab34Slling /* 973b1b8ab34Slling * A root pool with concatenated devices is not supported. 974b1b8ab34Slling * Thus, can not add a device to a root pool with one device. 975b1b8ab34Slling */ 976b1b8ab34Slling if (spa->spa_root_vdev->vdev_children == 1 && spa->spa_bootfs != 0) { 977b1b8ab34Slling spa_close(spa, FTAG); 978b1b8ab34Slling return (EDOM); 979b1b8ab34Slling } 980b1b8ab34Slling 981990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 982990b4856Slling &config)) == 0) { 983fa9e4066Sahrens error = spa_vdev_add(spa, config); 984fa9e4066Sahrens nvlist_free(config); 985fa9e4066Sahrens } 986fa9e4066Sahrens spa_close(spa, FTAG); 987fa9e4066Sahrens return (error); 988fa9e4066Sahrens } 989fa9e4066Sahrens 990fa9e4066Sahrens static int 991fa9e4066Sahrens zfs_ioc_vdev_remove(zfs_cmd_t *zc) 992fa9e4066Sahrens { 99399653d4eSeschrock spa_t *spa; 99499653d4eSeschrock int error; 99599653d4eSeschrock 99699653d4eSeschrock error = spa_open(zc->zc_name, &spa, FTAG); 99799653d4eSeschrock if (error != 0) 99899653d4eSeschrock return (error); 99999653d4eSeschrock error = spa_vdev_remove(spa, zc->zc_guid, B_FALSE); 100099653d4eSeschrock spa_close(spa, FTAG); 100199653d4eSeschrock return (error); 1002fa9e4066Sahrens } 1003fa9e4066Sahrens 1004fa9e4066Sahrens static int 10053d7072f8Seschrock zfs_ioc_vdev_set_state(zfs_cmd_t *zc) 1006fa9e4066Sahrens { 1007fa9e4066Sahrens spa_t *spa; 1008fa9e4066Sahrens int error; 10093d7072f8Seschrock vdev_state_t newstate = VDEV_STATE_UNKNOWN; 1010fa9e4066Sahrens 101106eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 1012fa9e4066Sahrens return (error); 10133d7072f8Seschrock switch (zc->zc_cookie) { 10143d7072f8Seschrock case VDEV_STATE_ONLINE: 10153d7072f8Seschrock error = vdev_online(spa, zc->zc_guid, zc->zc_obj, &newstate); 10163d7072f8Seschrock break; 1017fa9e4066Sahrens 10183d7072f8Seschrock case VDEV_STATE_OFFLINE: 10193d7072f8Seschrock error = vdev_offline(spa, zc->zc_guid, zc->zc_obj); 10203d7072f8Seschrock break; 1021fa9e4066Sahrens 10223d7072f8Seschrock case VDEV_STATE_FAULTED: 10233d7072f8Seschrock error = vdev_fault(spa, zc->zc_guid); 10243d7072f8Seschrock break; 10253d7072f8Seschrock 10263d7072f8Seschrock case VDEV_STATE_DEGRADED: 10273d7072f8Seschrock error = vdev_degrade(spa, zc->zc_guid); 10283d7072f8Seschrock break; 10293d7072f8Seschrock 10303d7072f8Seschrock default: 10313d7072f8Seschrock error = EINVAL; 10323d7072f8Seschrock } 10333d7072f8Seschrock zc->zc_cookie = newstate; 1034fa9e4066Sahrens spa_close(spa, FTAG); 1035fa9e4066Sahrens return (error); 1036fa9e4066Sahrens } 1037fa9e4066Sahrens 1038fa9e4066Sahrens static int 1039fa9e4066Sahrens zfs_ioc_vdev_attach(zfs_cmd_t *zc) 1040fa9e4066Sahrens { 1041fa9e4066Sahrens spa_t *spa; 1042fa9e4066Sahrens int replacing = zc->zc_cookie; 1043fa9e4066Sahrens nvlist_t *config; 1044fa9e4066Sahrens int error; 1045fa9e4066Sahrens 104606eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 1047fa9e4066Sahrens return (error); 1048fa9e4066Sahrens 1049990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, 1050990b4856Slling &config)) == 0) { 1051ea8dc4b6Seschrock error = spa_vdev_attach(spa, zc->zc_guid, config, replacing); 1052fa9e4066Sahrens nvlist_free(config); 1053fa9e4066Sahrens } 1054fa9e4066Sahrens 1055fa9e4066Sahrens spa_close(spa, FTAG); 1056fa9e4066Sahrens return (error); 1057fa9e4066Sahrens } 1058fa9e4066Sahrens 1059fa9e4066Sahrens static int 1060fa9e4066Sahrens zfs_ioc_vdev_detach(zfs_cmd_t *zc) 1061fa9e4066Sahrens { 1062fa9e4066Sahrens spa_t *spa; 1063fa9e4066Sahrens int error; 1064fa9e4066Sahrens 106506eeb2adSek if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 1066fa9e4066Sahrens return (error); 1067fa9e4066Sahrens 1068ea8dc4b6Seschrock error = spa_vdev_detach(spa, zc->zc_guid, B_FALSE); 1069fa9e4066Sahrens 1070fa9e4066Sahrens spa_close(spa, FTAG); 1071fa9e4066Sahrens return (error); 1072fa9e4066Sahrens } 1073fa9e4066Sahrens 1074c67d9675Seschrock static int 1075c67d9675Seschrock zfs_ioc_vdev_setpath(zfs_cmd_t *zc) 1076c67d9675Seschrock { 1077c67d9675Seschrock spa_t *spa; 1078e9dbad6fSeschrock char *path = zc->zc_value; 1079ea8dc4b6Seschrock uint64_t guid = zc->zc_guid; 1080c67d9675Seschrock int error; 1081c67d9675Seschrock 1082c67d9675Seschrock error = spa_open(zc->zc_name, &spa, FTAG); 1083c67d9675Seschrock if (error != 0) 1084c67d9675Seschrock return (error); 1085c67d9675Seschrock 1086c67d9675Seschrock error = spa_vdev_setpath(spa, guid, path); 1087c67d9675Seschrock spa_close(spa, FTAG); 1088c67d9675Seschrock return (error); 1089c67d9675Seschrock } 1090c67d9675Seschrock 10913cb34c60Sahrens /* 10923cb34c60Sahrens * inputs: 10933cb34c60Sahrens * zc_name name of filesystem 10943cb34c60Sahrens * zc_nvlist_dst_size size of buffer for property nvlist 10953cb34c60Sahrens * 10963cb34c60Sahrens * outputs: 10973cb34c60Sahrens * zc_objset_stats stats 10983cb34c60Sahrens * zc_nvlist_dst property nvlist 10993cb34c60Sahrens * zc_nvlist_dst_size size of property nvlist 11003cb34c60Sahrens * zc_value alternate root 11013cb34c60Sahrens */ 1102fa9e4066Sahrens static int 1103fa9e4066Sahrens zfs_ioc_objset_stats(zfs_cmd_t *zc) 1104fa9e4066Sahrens { 1105fa9e4066Sahrens objset_t *os = NULL; 1106fa9e4066Sahrens int error; 11077f7322feSeschrock nvlist_t *nv; 1108fa9e4066Sahrens 1109fa9e4066Sahrens retry: 1110fa9e4066Sahrens error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, 1111fa9e4066Sahrens DS_MODE_STANDARD | DS_MODE_READONLY, &os); 1112fa9e4066Sahrens if (error != 0) { 1113fa9e4066Sahrens /* 1114fa9e4066Sahrens * This is ugly: dmu_objset_open() can return EBUSY if 1115fa9e4066Sahrens * the objset is held exclusively. Fortunately this hold is 1116fa9e4066Sahrens * only for a short while, so we retry here. 1117fa9e4066Sahrens * This avoids user code having to handle EBUSY, 1118fa9e4066Sahrens * for example for a "zfs list". 1119fa9e4066Sahrens */ 1120fa9e4066Sahrens if (error == EBUSY) { 1121fa9e4066Sahrens delay(1); 1122fa9e4066Sahrens goto retry; 1123fa9e4066Sahrens } 1124fa9e4066Sahrens return (error); 1125fa9e4066Sahrens } 1126fa9e4066Sahrens 1127a2eea2e1Sahrens dmu_objset_fast_stat(os, &zc->zc_objset_stats); 1128fa9e4066Sahrens 11295ad82045Snd if (zc->zc_nvlist_dst != 0 && 11307f7322feSeschrock (error = dsl_prop_get_all(os, &nv)) == 0) { 1131a2eea2e1Sahrens dmu_objset_stats(os, nv); 1132432f72fdSahrens /* 1133bd00f61bSrm * NB: zvol_get_stats() will read the objset contents, 1134432f72fdSahrens * which we aren't supposed to do with a 1135432f72fdSahrens * DS_MODE_STANDARD open, because it could be 1136432f72fdSahrens * inconsistent. So this is a bit of a workaround... 1137432f72fdSahrens */ 1138e7437265Sahrens if (!zc->zc_objset_stats.dds_inconsistent) { 1139e7437265Sahrens if (dmu_objset_type(os) == DMU_OST_ZVOL) 1140e7437265Sahrens VERIFY(zvol_get_stats(os, nv) == 0); 1141e7437265Sahrens } 1142e9dbad6fSeschrock error = put_nvlist(zc, nv); 11437f7322feSeschrock nvlist_free(nv); 11447f7322feSeschrock } 1145fa9e4066Sahrens 1146e9dbad6fSeschrock spa_altroot(dmu_objset_spa(os), zc->zc_value, sizeof (zc->zc_value)); 1147ea8dc4b6Seschrock 1148fa9e4066Sahrens dmu_objset_close(os); 1149fa9e4066Sahrens return (error); 1150fa9e4066Sahrens } 1151fa9e4066Sahrens 11523cb34c60Sahrens /* 11533cb34c60Sahrens * inputs: 11543cb34c60Sahrens * zc_name name of filesystem 11553cb34c60Sahrens * zc_cookie zap cursor 11563cb34c60Sahrens * zc_nvlist_dst_size size of buffer for property nvlist 11573cb34c60Sahrens * 11583cb34c60Sahrens * outputs: 11593cb34c60Sahrens * zc_name name of next filesystem 11603cb34c60Sahrens * zc_objset_stats stats 11613cb34c60Sahrens * zc_nvlist_dst property nvlist 11623cb34c60Sahrens * zc_nvlist_dst_size size of property nvlist 11633cb34c60Sahrens * zc_value alternate root 11643cb34c60Sahrens */ 1165bd00f61bSrm static int 1166bd00f61bSrm zfs_ioc_objset_version(zfs_cmd_t *zc) 1167bd00f61bSrm { 1168bd00f61bSrm objset_t *os = NULL; 1169bd00f61bSrm int error; 1170bd00f61bSrm 1171bd00f61bSrm retry: 1172bd00f61bSrm error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, 1173bd00f61bSrm DS_MODE_STANDARD | DS_MODE_READONLY, &os); 1174bd00f61bSrm if (error != 0) { 1175bd00f61bSrm /* 1176bd00f61bSrm * This is ugly: dmu_objset_open() can return EBUSY if 1177bd00f61bSrm * the objset is held exclusively. Fortunately this hold is 1178bd00f61bSrm * only for a short while, so we retry here. 1179bd00f61bSrm * This avoids user code having to handle EBUSY, 1180bd00f61bSrm * for example for a "zfs list". 1181bd00f61bSrm */ 1182bd00f61bSrm if (error == EBUSY) { 1183bd00f61bSrm delay(1); 1184bd00f61bSrm goto retry; 1185bd00f61bSrm } 1186bd00f61bSrm return (error); 1187bd00f61bSrm } 1188bd00f61bSrm 1189bd00f61bSrm dmu_objset_fast_stat(os, &zc->zc_objset_stats); 1190bd00f61bSrm 1191bd00f61bSrm /* 1192bd00f61bSrm * NB: zfs_get_version() will read the objset contents, 1193bd00f61bSrm * which we aren't supposed to do with a 1194bd00f61bSrm * DS_MODE_STANDARD open, because it could be 1195bd00f61bSrm * inconsistent. So this is a bit of a workaround... 1196bd00f61bSrm */ 1197bd00f61bSrm zc->zc_cookie = 0; 1198bd00f61bSrm if (!zc->zc_objset_stats.dds_inconsistent) 1199bd00f61bSrm if (dmu_objset_type(os) == DMU_OST_ZFS) 1200bd00f61bSrm (void) zfs_get_version(os, &zc->zc_cookie); 1201bd00f61bSrm 1202bd00f61bSrm dmu_objset_close(os); 1203bd00f61bSrm return (0); 1204bd00f61bSrm } 1205bd00f61bSrm 1206fa9e4066Sahrens static int 1207fa9e4066Sahrens zfs_ioc_dataset_list_next(zfs_cmd_t *zc) 1208fa9e4066Sahrens { 120987e5029aSahrens objset_t *os; 1210fa9e4066Sahrens int error; 1211fa9e4066Sahrens char *p; 1212fa9e4066Sahrens 121387e5029aSahrens retry: 121487e5029aSahrens error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, 121587e5029aSahrens DS_MODE_STANDARD | DS_MODE_READONLY, &os); 121687e5029aSahrens if (error != 0) { 121787e5029aSahrens /* 121887e5029aSahrens * This is ugly: dmu_objset_open() can return EBUSY if 121987e5029aSahrens * the objset is held exclusively. Fortunately this hold is 122087e5029aSahrens * only for a short while, so we retry here. 122187e5029aSahrens * This avoids user code having to handle EBUSY, 122287e5029aSahrens * for example for a "zfs list". 122387e5029aSahrens */ 122487e5029aSahrens if (error == EBUSY) { 122587e5029aSahrens delay(1); 122687e5029aSahrens goto retry; 122787e5029aSahrens } 122887e5029aSahrens if (error == ENOENT) 122987e5029aSahrens error = ESRCH; 123087e5029aSahrens return (error); 1231fa9e4066Sahrens } 1232fa9e4066Sahrens 1233fa9e4066Sahrens p = strrchr(zc->zc_name, '/'); 1234fa9e4066Sahrens if (p == NULL || p[1] != '\0') 1235fa9e4066Sahrens (void) strlcat(zc->zc_name, "/", sizeof (zc->zc_name)); 1236fa9e4066Sahrens p = zc->zc_name + strlen(zc->zc_name); 1237fa9e4066Sahrens 1238fa9e4066Sahrens do { 123987e5029aSahrens error = dmu_dir_list_next(os, 124087e5029aSahrens sizeof (zc->zc_name) - (p - zc->zc_name), p, 124187e5029aSahrens NULL, &zc->zc_cookie); 1242fa9e4066Sahrens if (error == ENOENT) 1243fa9e4066Sahrens error = ESRCH; 124487e5029aSahrens } while (error == 0 && !INGLOBALZONE(curproc) && 1245fa9e4066Sahrens !zone_dataset_visible(zc->zc_name, NULL)); 1246fa9e4066Sahrens 1247fa9e4066Sahrens /* 124887e5029aSahrens * If it's a hidden dataset (ie. with a '$' in its name), don't 124987e5029aSahrens * try to get stats for it. Userland will skip over it. 1250fa9e4066Sahrens */ 125187e5029aSahrens if (error == 0 && strchr(zc->zc_name, '$') == NULL) 125287e5029aSahrens error = zfs_ioc_objset_stats(zc); /* fill in the stats */ 1253fa9e4066Sahrens 125487e5029aSahrens dmu_objset_close(os); 1255fa9e4066Sahrens return (error); 1256fa9e4066Sahrens } 1257fa9e4066Sahrens 12583cb34c60Sahrens /* 12593cb34c60Sahrens * inputs: 12603cb34c60Sahrens * zc_name name of filesystem 12613cb34c60Sahrens * zc_cookie zap cursor 12623cb34c60Sahrens * zc_nvlist_dst_size size of buffer for property nvlist 12633cb34c60Sahrens * 12643cb34c60Sahrens * outputs: 12653cb34c60Sahrens * zc_name name of next snapshot 12663cb34c60Sahrens * zc_objset_stats stats 12673cb34c60Sahrens * zc_nvlist_dst property nvlist 12683cb34c60Sahrens * zc_nvlist_dst_size size of property nvlist 12693cb34c60Sahrens * zc_value alternate root 12703cb34c60Sahrens */ 1271fa9e4066Sahrens static int 1272fa9e4066Sahrens zfs_ioc_snapshot_list_next(zfs_cmd_t *zc) 1273fa9e4066Sahrens { 127487e5029aSahrens objset_t *os; 1275fa9e4066Sahrens int error; 1276fa9e4066Sahrens 1277fa9e4066Sahrens retry: 127887e5029aSahrens error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, 127987e5029aSahrens DS_MODE_STANDARD | DS_MODE_READONLY, &os); 128087e5029aSahrens if (error != 0) { 1281fa9e4066Sahrens /* 128287e5029aSahrens * This is ugly: dmu_objset_open() can return EBUSY if 1283fa9e4066Sahrens * the objset is held exclusively. Fortunately this hold is 1284fa9e4066Sahrens * only for a short while, so we retry here. 1285fa9e4066Sahrens * This avoids user code having to handle EBUSY, 128687e5029aSahrens * for example for a "zfs list". 1287fa9e4066Sahrens */ 1288fa9e4066Sahrens if (error == EBUSY) { 1289fa9e4066Sahrens delay(1); 1290fa9e4066Sahrens goto retry; 1291fa9e4066Sahrens } 1292fa9e4066Sahrens if (error == ENOENT) 129387e5029aSahrens error = ESRCH; 1294fa9e4066Sahrens return (error); 1295fa9e4066Sahrens } 1296fa9e4066Sahrens 1297b81d61a6Slling /* 1298b81d61a6Slling * A dataset name of maximum length cannot have any snapshots, 1299b81d61a6Slling * so exit immediately. 1300b81d61a6Slling */ 1301b81d61a6Slling if (strlcat(zc->zc_name, "@", sizeof (zc->zc_name)) >= MAXNAMELEN) { 130287e5029aSahrens dmu_objset_close(os); 1303b81d61a6Slling return (ESRCH); 1304fa9e4066Sahrens } 1305fa9e4066Sahrens 130687e5029aSahrens error = dmu_snapshot_list_next(os, 130787e5029aSahrens sizeof (zc->zc_name) - strlen(zc->zc_name), 130887e5029aSahrens zc->zc_name + strlen(zc->zc_name), NULL, &zc->zc_cookie); 130987e5029aSahrens if (error == ENOENT) 131087e5029aSahrens error = ESRCH; 1311fa9e4066Sahrens 131287e5029aSahrens if (error == 0) 131387e5029aSahrens error = zfs_ioc_objset_stats(zc); /* fill in the stats */ 1314fa9e4066Sahrens 13153cb34c60Sahrens /* if we failed, undo the @ that we tacked on to zc_name */ 13163cb34c60Sahrens if (error != 0) 13173cb34c60Sahrens *strchr(zc->zc_name, '@') = '\0'; 13183cb34c60Sahrens 131987e5029aSahrens dmu_objset_close(os); 1320fa9e4066Sahrens return (error); 1321fa9e4066Sahrens } 1322fa9e4066Sahrens 1323fa9e4066Sahrens static int 132491ebeef5Sahrens zfs_set_prop_nvlist(const char *name, nvlist_t *nvl) 1325fa9e4066Sahrens { 1326e9dbad6fSeschrock nvpair_t *elem; 1327e9dbad6fSeschrock int error; 1328e9dbad6fSeschrock uint64_t intval; 1329e9dbad6fSeschrock char *strval; 1330e9dbad6fSeschrock 1331ecd6cf80Smarks /* 1332ecd6cf80Smarks * First validate permission to set all of the properties 1333ecd6cf80Smarks */ 1334e9dbad6fSeschrock elem = NULL; 1335e9dbad6fSeschrock while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { 1336db870a07Sahrens const char *propname = nvpair_name(elem); 1337db870a07Sahrens zfs_prop_t prop = zfs_name_to_prop(propname); 1338e9dbad6fSeschrock 1339990b4856Slling if (prop == ZPROP_INVAL) { 1340e9dbad6fSeschrock /* 1341e9dbad6fSeschrock * If this is a user-defined property, it must be a 1342e9dbad6fSeschrock * string, and there is no further validation to do. 1343e9dbad6fSeschrock */ 1344e9dbad6fSeschrock if (!zfs_prop_user(propname) || 1345e9dbad6fSeschrock nvpair_type(elem) != DATA_TYPE_STRING) 1346e9dbad6fSeschrock return (EINVAL); 1347e9dbad6fSeschrock 1348da6c28aaSamw if (error = zfs_secpolicy_write_perms(name, 1349da6c28aaSamw ZFS_DELEG_PERM_USERPROP, CRED())) 1350db870a07Sahrens return (error); 1351ecd6cf80Smarks continue; 1352e9dbad6fSeschrock } 1353fa9e4066Sahrens 135491ebeef5Sahrens if ((error = zfs_secpolicy_setprop(name, prop, CRED())) != 0) 1355db870a07Sahrens return (error); 1356db870a07Sahrens 1357e9dbad6fSeschrock /* 1358db870a07Sahrens * Check that this value is valid for this pool version 1359e9dbad6fSeschrock */ 1360e9dbad6fSeschrock switch (prop) { 1361c9431fa1Sahl case ZFS_PROP_COMPRESSION: 1362c9431fa1Sahl /* 1363c9431fa1Sahl * If the user specified gzip compression, make sure 1364c9431fa1Sahl * the SPA supports it. We ignore any errors here since 1365c9431fa1Sahl * we'll catch them later. 1366c9431fa1Sahl */ 1367c9431fa1Sahl if (nvpair_type(elem) == DATA_TYPE_UINT64 && 1368c9431fa1Sahl nvpair_value_uint64(elem, &intval) == 0 && 1369c9431fa1Sahl intval >= ZIO_COMPRESS_GZIP_1 && 1370c9431fa1Sahl intval <= ZIO_COMPRESS_GZIP_9) { 1371da6c28aaSamw if (zfs_check_version(name, 1372da6c28aaSamw SPA_VERSION_GZIP_COMPRESSION)) 1373da6c28aaSamw return (ENOTSUP); 1374c9431fa1Sahl } 1375c9431fa1Sahl break; 137640feaa91Sahrens 137740feaa91Sahrens case ZFS_PROP_COPIES: 1378da6c28aaSamw if (zfs_check_version(name, SPA_VERSION_DITTO_BLOCKS)) 1379da6c28aaSamw return (ENOTSUP); 138040feaa91Sahrens break; 1381da6c28aaSamw case ZFS_PROP_NORMALIZE: 1382da6c28aaSamw case ZFS_PROP_UTF8ONLY: 1383da6c28aaSamw case ZFS_PROP_CASE: 1384da6c28aaSamw if (zfs_check_version(name, SPA_VERSION_NORMALIZATION)) 1385da6c28aaSamw return (ENOTSUP); 1386da6c28aaSamw 138740feaa91Sahrens } 1388da6c28aaSamw if ((error = zfs_secpolicy_setprop(name, prop, CRED())) != 0) 1389da6c28aaSamw return (error); 1390ecd6cf80Smarks } 1391ecd6cf80Smarks 1392ecd6cf80Smarks elem = NULL; 1393ecd6cf80Smarks while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { 1394db870a07Sahrens const char *propname = nvpair_name(elem); 1395db870a07Sahrens zfs_prop_t prop = zfs_name_to_prop(propname); 1396ecd6cf80Smarks 1397990b4856Slling if (prop == ZPROP_INVAL) { 1398ecd6cf80Smarks VERIFY(nvpair_value_string(elem, &strval) == 0); 1399ecd6cf80Smarks error = dsl_prop_set(name, propname, 1, 1400ecd6cf80Smarks strlen(strval) + 1, strval); 1401ecd6cf80Smarks if (error == 0) 1402ecd6cf80Smarks continue; 1403ecd6cf80Smarks else 1404ecd6cf80Smarks return (error); 1405ecd6cf80Smarks } 1406e9dbad6fSeschrock 1407e9dbad6fSeschrock switch (prop) { 1408e9dbad6fSeschrock case ZFS_PROP_QUOTA: 1409e9dbad6fSeschrock if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 1410e7437265Sahrens (error = dsl_dir_set_quota(name, intval)) != 0) 1411e9dbad6fSeschrock return (error); 1412e9dbad6fSeschrock break; 1413e9dbad6fSeschrock 1414e9dbad6fSeschrock case ZFS_PROP_RESERVATION: 1415e9dbad6fSeschrock if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 1416e9dbad6fSeschrock (error = dsl_dir_set_reservation(name, 1417e9dbad6fSeschrock intval)) != 0) 1418e9dbad6fSeschrock return (error); 1419e9dbad6fSeschrock break; 1420e9dbad6fSeschrock 1421e9dbad6fSeschrock case ZFS_PROP_VOLSIZE: 1422e9dbad6fSeschrock if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 142391ebeef5Sahrens (error = zvol_set_volsize(name, 142491ebeef5Sahrens ddi_driver_major(zfs_dip), intval)) != 0) 1425e9dbad6fSeschrock return (error); 1426e9dbad6fSeschrock break; 1427e9dbad6fSeschrock 1428e9dbad6fSeschrock case ZFS_PROP_VOLBLOCKSIZE: 1429e9dbad6fSeschrock if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 1430e7437265Sahrens (error = zvol_set_volblocksize(name, intval)) != 0) 1431e7437265Sahrens return (error); 1432e7437265Sahrens break; 1433e7437265Sahrens 1434e7437265Sahrens case ZFS_PROP_VERSION: 1435e7437265Sahrens if ((error = nvpair_value_uint64(elem, &intval)) != 0 || 1436e7437265Sahrens (error = zfs_set_version(name, intval)) != 0) 1437e9dbad6fSeschrock return (error); 1438e9dbad6fSeschrock break; 1439e9dbad6fSeschrock 1440e9dbad6fSeschrock default: 1441e9dbad6fSeschrock if (nvpair_type(elem) == DATA_TYPE_STRING) { 1442e9dbad6fSeschrock if (zfs_prop_get_type(prop) != 144391ebeef5Sahrens PROP_TYPE_STRING) 1444e9dbad6fSeschrock return (EINVAL); 1445acd76fe5Seschrock VERIFY(nvpair_value_string(elem, &strval) == 0); 1446acd76fe5Seschrock if ((error = dsl_prop_set(name, 1447e9dbad6fSeschrock nvpair_name(elem), 1, strlen(strval) + 1, 1448acd76fe5Seschrock strval)) != 0) 1449acd76fe5Seschrock return (error); 1450e9dbad6fSeschrock } else if (nvpair_type(elem) == DATA_TYPE_UINT64) { 1451a2eea2e1Sahrens const char *unused; 1452a2eea2e1Sahrens 1453acd76fe5Seschrock VERIFY(nvpair_value_uint64(elem, &intval) == 0); 1454e9dbad6fSeschrock 1455e9dbad6fSeschrock switch (zfs_prop_get_type(prop)) { 145691ebeef5Sahrens case PROP_TYPE_NUMBER: 1457e9dbad6fSeschrock break; 145891ebeef5Sahrens case PROP_TYPE_STRING: 1459acd76fe5Seschrock return (EINVAL); 146091ebeef5Sahrens case PROP_TYPE_INDEX: 1461acd76fe5Seschrock if (zfs_prop_index_to_string(prop, 1462acd76fe5Seschrock intval, &unused) != 0) 1463acd76fe5Seschrock return (EINVAL); 1464e9dbad6fSeschrock break; 1465e9dbad6fSeschrock default: 1466e7437265Sahrens cmn_err(CE_PANIC, 1467e7437265Sahrens "unknown property type"); 1468e9dbad6fSeschrock break; 1469e9dbad6fSeschrock } 1470e9dbad6fSeschrock 1471acd76fe5Seschrock if ((error = dsl_prop_set(name, propname, 1472acd76fe5Seschrock 8, 1, &intval)) != 0) 1473acd76fe5Seschrock return (error); 1474e9dbad6fSeschrock } else { 1475e9dbad6fSeschrock return (EINVAL); 1476e9dbad6fSeschrock } 1477e9dbad6fSeschrock break; 1478e9dbad6fSeschrock } 1479e9dbad6fSeschrock } 1480e9dbad6fSeschrock 1481e9dbad6fSeschrock return (0); 1482fa9e4066Sahrens } 1483fa9e4066Sahrens 14843cb34c60Sahrens /* 14853cb34c60Sahrens * inputs: 14863cb34c60Sahrens * zc_name name of filesystem 14873cb34c60Sahrens * zc_value name of property to inherit 14883cb34c60Sahrens * zc_nvlist_src{_size} nvlist of properties to apply 14893cb34c60Sahrens * 14903cb34c60Sahrens * outputs: none 14913cb34c60Sahrens */ 1492fa9e4066Sahrens static int 1493e9dbad6fSeschrock zfs_ioc_set_prop(zfs_cmd_t *zc) 1494fa9e4066Sahrens { 1495e9dbad6fSeschrock nvlist_t *nvl; 1496e9dbad6fSeschrock int error; 1497e9dbad6fSeschrock 1498990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 1499990b4856Slling &nvl)) != 0) 1500e9dbad6fSeschrock return (error); 1501e9dbad6fSeschrock 150291ebeef5Sahrens error = zfs_set_prop_nvlist(zc->zc_name, nvl); 1503ecd6cf80Smarks 1504e9dbad6fSeschrock nvlist_free(nvl); 1505e9dbad6fSeschrock return (error); 1506fa9e4066Sahrens } 1507fa9e4066Sahrens 15083cb34c60Sahrens /* 15093cb34c60Sahrens * inputs: 15103cb34c60Sahrens * zc_name name of filesystem 15113cb34c60Sahrens * zc_value name of property to inherit 15123cb34c60Sahrens * 15133cb34c60Sahrens * outputs: none 15143cb34c60Sahrens */ 1515e45ce728Sahrens static int 1516e45ce728Sahrens zfs_ioc_inherit_prop(zfs_cmd_t *zc) 1517e45ce728Sahrens { 1518e45ce728Sahrens /* the property name has been validated by zfs_secpolicy_inherit() */ 1519e45ce728Sahrens return (dsl_prop_set(zc->zc_name, zc->zc_value, 0, 0, NULL)); 1520e45ce728Sahrens } 1521e45ce728Sahrens 1522b1b8ab34Slling static int 152311a41203Slling zfs_ioc_pool_set_props(zfs_cmd_t *zc) 1524b1b8ab34Slling { 1525990b4856Slling nvlist_t *props; 1526b1b8ab34Slling spa_t *spa; 1527990b4856Slling int error; 1528b1b8ab34Slling 1529990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 1530990b4856Slling &props))) 1531b1b8ab34Slling return (error); 1532b1b8ab34Slling 1533b1b8ab34Slling if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { 1534990b4856Slling nvlist_free(props); 1535b1b8ab34Slling return (error); 1536b1b8ab34Slling } 1537b1b8ab34Slling 1538990b4856Slling error = spa_prop_set(spa, props); 1539b1b8ab34Slling 1540990b4856Slling nvlist_free(props); 1541b1b8ab34Slling spa_close(spa, FTAG); 1542b1b8ab34Slling 1543b1b8ab34Slling return (error); 1544b1b8ab34Slling } 1545b1b8ab34Slling 1546b1b8ab34Slling static int 154711a41203Slling zfs_ioc_pool_get_props(zfs_cmd_t *zc) 1548b1b8ab34Slling { 1549b1b8ab34Slling spa_t *spa; 1550b1b8ab34Slling int error; 1551b1b8ab34Slling nvlist_t *nvp = NULL; 1552b1b8ab34Slling 1553b1b8ab34Slling if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 1554b1b8ab34Slling return (error); 1555b1b8ab34Slling 1556990b4856Slling error = spa_prop_get(spa, &nvp); 1557b1b8ab34Slling 1558b1b8ab34Slling if (error == 0 && zc->zc_nvlist_dst != NULL) 1559b1b8ab34Slling error = put_nvlist(zc, nvp); 1560b1b8ab34Slling else 1561b1b8ab34Slling error = EFAULT; 1562b1b8ab34Slling 1563b1b8ab34Slling spa_close(spa, FTAG); 1564b1b8ab34Slling 1565b1b8ab34Slling if (nvp) 1566b1b8ab34Slling nvlist_free(nvp); 1567b1b8ab34Slling return (error); 1568b1b8ab34Slling } 1569b1b8ab34Slling 1570ecd6cf80Smarks static int 1571ecd6cf80Smarks zfs_ioc_iscsi_perm_check(zfs_cmd_t *zc) 1572ecd6cf80Smarks { 1573ecd6cf80Smarks nvlist_t *nvp; 1574ecd6cf80Smarks int error; 1575ecd6cf80Smarks uint32_t uid; 1576ecd6cf80Smarks uint32_t gid; 1577ecd6cf80Smarks uint32_t *groups; 1578ecd6cf80Smarks uint_t group_cnt; 1579ecd6cf80Smarks cred_t *usercred; 1580ecd6cf80Smarks 1581990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 1582990b4856Slling &nvp)) != 0) { 1583ecd6cf80Smarks return (error); 1584ecd6cf80Smarks } 1585ecd6cf80Smarks 1586ecd6cf80Smarks if ((error = nvlist_lookup_uint32(nvp, 1587ecd6cf80Smarks ZFS_DELEG_PERM_UID, &uid)) != 0) { 1588ecd6cf80Smarks nvlist_free(nvp); 1589ecd6cf80Smarks return (EPERM); 1590ecd6cf80Smarks } 1591ecd6cf80Smarks 1592ecd6cf80Smarks if ((error = nvlist_lookup_uint32(nvp, 1593ecd6cf80Smarks ZFS_DELEG_PERM_GID, &gid)) != 0) { 1594ecd6cf80Smarks nvlist_free(nvp); 1595ecd6cf80Smarks return (EPERM); 1596ecd6cf80Smarks } 1597ecd6cf80Smarks 1598ecd6cf80Smarks if ((error = nvlist_lookup_uint32_array(nvp, ZFS_DELEG_PERM_GROUPS, 1599ecd6cf80Smarks &groups, &group_cnt)) != 0) { 1600ecd6cf80Smarks nvlist_free(nvp); 1601ecd6cf80Smarks return (EPERM); 1602ecd6cf80Smarks } 1603ecd6cf80Smarks usercred = cralloc(); 1604ecd6cf80Smarks if ((crsetugid(usercred, uid, gid) != 0) || 1605ecd6cf80Smarks (crsetgroups(usercred, group_cnt, (gid_t *)groups) != 0)) { 1606ecd6cf80Smarks nvlist_free(nvp); 1607ecd6cf80Smarks crfree(usercred); 1608ecd6cf80Smarks return (EPERM); 1609ecd6cf80Smarks } 1610ecd6cf80Smarks nvlist_free(nvp); 1611ecd6cf80Smarks error = dsl_deleg_access(zc->zc_name, 161291ebeef5Sahrens zfs_prop_to_name(ZFS_PROP_SHAREISCSI), usercred); 1613ecd6cf80Smarks crfree(usercred); 1614ecd6cf80Smarks return (error); 1615ecd6cf80Smarks } 1616ecd6cf80Smarks 16173cb34c60Sahrens /* 16183cb34c60Sahrens * inputs: 16193cb34c60Sahrens * zc_name name of filesystem 16203cb34c60Sahrens * zc_nvlist_src{_size} nvlist of delegated permissions 16213cb34c60Sahrens * zc_perm_action allow/unallow flag 16223cb34c60Sahrens * 16233cb34c60Sahrens * outputs: none 16243cb34c60Sahrens */ 1625ecd6cf80Smarks static int 1626ecd6cf80Smarks zfs_ioc_set_fsacl(zfs_cmd_t *zc) 1627ecd6cf80Smarks { 1628ecd6cf80Smarks int error; 1629ecd6cf80Smarks nvlist_t *fsaclnv = NULL; 1630ecd6cf80Smarks 1631990b4856Slling if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 1632990b4856Slling &fsaclnv)) != 0) 1633ecd6cf80Smarks return (error); 1634ecd6cf80Smarks 1635ecd6cf80Smarks /* 1636ecd6cf80Smarks * Verify nvlist is constructed correctly 1637ecd6cf80Smarks */ 1638ecd6cf80Smarks if ((error = zfs_deleg_verify_nvlist(fsaclnv)) != 0) { 1639ecd6cf80Smarks nvlist_free(fsaclnv); 1640ecd6cf80Smarks return (EINVAL); 1641ecd6cf80Smarks } 1642ecd6cf80Smarks 1643ecd6cf80Smarks /* 1644ecd6cf80Smarks * If we don't have PRIV_SYS_MOUNT, then validate 1645ecd6cf80Smarks * that user is allowed to hand out each permission in 1646ecd6cf80Smarks * the nvlist(s) 1647ecd6cf80Smarks */ 1648ecd6cf80Smarks 164991ebeef5Sahrens error = secpolicy_zfs(CRED()); 1650ecd6cf80Smarks if (error) { 165191ebeef5Sahrens if (zc->zc_perm_action == B_FALSE) { 165291ebeef5Sahrens error = dsl_deleg_can_allow(zc->zc_name, 165391ebeef5Sahrens fsaclnv, CRED()); 165491ebeef5Sahrens } else { 165591ebeef5Sahrens error = dsl_deleg_can_unallow(zc->zc_name, 165691ebeef5Sahrens fsaclnv, CRED()); 165791ebeef5Sahrens } 1658ecd6cf80Smarks } 1659ecd6cf80Smarks 1660ecd6cf80Smarks if (error == 0) 1661ecd6cf80Smarks error = dsl_deleg_set(zc->zc_name, fsaclnv, zc->zc_perm_action); 1662ecd6cf80Smarks 1663ecd6cf80Smarks nvlist_free(fsaclnv); 1664ecd6cf80Smarks return (error); 1665ecd6cf80Smarks } 1666ecd6cf80Smarks 16673cb34c60Sahrens /* 16683cb34c60Sahrens * inputs: 16693cb34c60Sahrens * zc_name name of filesystem 16703cb34c60Sahrens * 16713cb34c60Sahrens * outputs: 16723cb34c60Sahrens * zc_nvlist_src{_size} nvlist of delegated permissions 16733cb34c60Sahrens */ 1674ecd6cf80Smarks static int 1675ecd6cf80Smarks zfs_ioc_get_fsacl(zfs_cmd_t *zc) 1676ecd6cf80Smarks { 1677ecd6cf80Smarks nvlist_t *nvp; 1678ecd6cf80Smarks int error; 1679ecd6cf80Smarks 1680ecd6cf80Smarks if ((error = dsl_deleg_get(zc->zc_name, &nvp)) == 0) { 1681ecd6cf80Smarks error = put_nvlist(zc, nvp); 1682ecd6cf80Smarks nvlist_free(nvp); 1683ecd6cf80Smarks } 1684ecd6cf80Smarks 1685ecd6cf80Smarks return (error); 1686ecd6cf80Smarks } 1687ecd6cf80Smarks 16883cb34c60Sahrens /* 16893cb34c60Sahrens * inputs: 16903cb34c60Sahrens * zc_name name of volume 16913cb34c60Sahrens * 16923cb34c60Sahrens * outputs: none 16933cb34c60Sahrens */ 1694fa9e4066Sahrens static int 1695fa9e4066Sahrens zfs_ioc_create_minor(zfs_cmd_t *zc) 1696fa9e4066Sahrens { 169791ebeef5Sahrens return (zvol_create_minor(zc->zc_name, ddi_driver_major(zfs_dip))); 1698fa9e4066Sahrens } 1699fa9e4066Sahrens 17003cb34c60Sahrens /* 17013cb34c60Sahrens * inputs: 17023cb34c60Sahrens * zc_name name of volume 17033cb34c60Sahrens * 17043cb34c60Sahrens * outputs: none 17053cb34c60Sahrens */ 1706fa9e4066Sahrens static int 1707fa9e4066Sahrens zfs_ioc_remove_minor(zfs_cmd_t *zc) 1708fa9e4066Sahrens { 1709e9dbad6fSeschrock return (zvol_remove_minor(zc->zc_name)); 1710fa9e4066Sahrens } 1711fa9e4066Sahrens 1712fa9e4066Sahrens /* 1713fa9e4066Sahrens * Search the vfs list for a specified resource. Returns a pointer to it 1714fa9e4066Sahrens * or NULL if no suitable entry is found. The caller of this routine 1715fa9e4066Sahrens * is responsible for releasing the returned vfs pointer. 1716fa9e4066Sahrens */ 1717fa9e4066Sahrens static vfs_t * 1718fa9e4066Sahrens zfs_get_vfs(const char *resource) 1719fa9e4066Sahrens { 1720fa9e4066Sahrens struct vfs *vfsp; 1721fa9e4066Sahrens struct vfs *vfs_found = NULL; 1722fa9e4066Sahrens 1723fa9e4066Sahrens vfs_list_read_lock(); 1724fa9e4066Sahrens vfsp = rootvfs; 1725fa9e4066Sahrens do { 1726fa9e4066Sahrens if (strcmp(refstr_value(vfsp->vfs_resource), resource) == 0) { 1727fa9e4066Sahrens VFS_HOLD(vfsp); 1728fa9e4066Sahrens vfs_found = vfsp; 1729fa9e4066Sahrens break; 1730fa9e4066Sahrens } 1731fa9e4066Sahrens vfsp = vfsp->vfs_next; 1732fa9e4066Sahrens } while (vfsp != rootvfs); 1733fa9e4066Sahrens vfs_list_unlock(); 1734fa9e4066Sahrens return (vfs_found); 1735fa9e4066Sahrens } 1736fa9e4066Sahrens 1737ecd6cf80Smarks /* ARGSUSED */ 1738fa9e4066Sahrens static void 1739ecd6cf80Smarks zfs_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 1740fa9e4066Sahrens { 1741da6c28aaSamw zfs_creat_t *zct = arg; 1742da6c28aaSamw uint64_t version; 1743da6c28aaSamw 1744da6c28aaSamw if (spa_version(dmu_objset_spa(os)) >= SPA_VERSION_FUID) 1745da6c28aaSamw version = ZPL_VERSION; 1746da6c28aaSamw else 1747da6c28aaSamw version = ZPL_VERSION_FUID - 1; 1748e7437265Sahrens 1749da6c28aaSamw (void) nvlist_lookup_uint64(zct->zct_props, 1750e7437265Sahrens zfs_prop_to_name(ZFS_PROP_VERSION), &version); 1751e7437265Sahrens 1752da6c28aaSamw zfs_create_fs(os, cr, version, zct->zct_norm, tx); 1753da6c28aaSamw } 1754da6c28aaSamw 1755da6c28aaSamw /* 1756da6c28aaSamw * zfs_prop_lookup() 1757da6c28aaSamw * 1758da6c28aaSamw * Look for the property first in the existing property nvlist. If 1759da6c28aaSamw * it's already present, you're done. If it's not there, attempt to 1760da6c28aaSamw * find the property value from a parent dataset. If that fails, fall 1761da6c28aaSamw * back to the property's default value. In either of these two 1762da6c28aaSamw * cases, if update is TRUE, add a value for the property to the 1763da6c28aaSamw * property nvlist. 1764da6c28aaSamw * 1765da6c28aaSamw * If the rval pointer is non-NULL, copy the discovered value to rval. 1766da6c28aaSamw * 1767da6c28aaSamw * If we get any unexpected errors, bail and return the error number 1768da6c28aaSamw * to the caller. 1769da6c28aaSamw * 1770da6c28aaSamw * If we succeed, return 0. 1771da6c28aaSamw */ 1772da6c28aaSamw static int 1773da6c28aaSamw zfs_prop_lookup(const char *parentname, zfs_prop_t propnum, 1774da6c28aaSamw nvlist_t *proplist, uint64_t *rval, boolean_t update) 1775da6c28aaSamw { 1776da6c28aaSamw const char *propname; 1777da6c28aaSamw uint64_t value; 1778da6c28aaSamw int error = ENOENT; 1779da6c28aaSamw 1780da6c28aaSamw propname = zfs_prop_to_name(propnum); 1781da6c28aaSamw if (proplist != NULL) 1782da6c28aaSamw error = nvlist_lookup_uint64(proplist, propname, &value); 1783da6c28aaSamw if (error == ENOENT) { 1784da6c28aaSamw error = dsl_prop_get_integer(parentname, propname, 1785da6c28aaSamw &value, NULL); 1786da6c28aaSamw if (error == ENOENT) 1787da6c28aaSamw value = zfs_prop_default_numeric(propnum); 1788da6c28aaSamw else if (error != 0) 1789da6c28aaSamw return (error); 1790da6c28aaSamw if (update) { 1791da6c28aaSamw ASSERT(proplist != NULL); 1792da6c28aaSamw error = nvlist_add_uint64(proplist, propname, value); 1793da6c28aaSamw } 1794da6c28aaSamw } 1795da6c28aaSamw if (error == 0 && rval) 1796da6c28aaSamw *rval = value; 1797da6c28aaSamw return (error); 1798da6c28aaSamw } 1799da6c28aaSamw 1800da6c28aaSamw /* 1801da6c28aaSamw * zfs_normalization_get 1802da6c28aaSamw * 1803da6c28aaSamw * Get the normalization flag value. If the properties have 1804da6c28aaSamw * non-default values, make sure the pool version is recent enough to 1805da6c28aaSamw * support these choices. 1806da6c28aaSamw */ 1807da6c28aaSamw static int 1808da6c28aaSamw zfs_normalization_get(const char *dataset, nvlist_t *proplist, int *norm, 1809da6c28aaSamw boolean_t update) 1810da6c28aaSamw { 1811da6c28aaSamw char parentname[MAXNAMELEN]; 1812da6c28aaSamw char poolname[MAXNAMELEN]; 1813da6c28aaSamw char *cp; 1814da6c28aaSamw uint64_t value; 1815da6c28aaSamw int check = 0; 1816da6c28aaSamw int error; 1817da6c28aaSamw 1818da6c28aaSamw ASSERT(norm != NULL); 1819da6c28aaSamw *norm = 0; 1820da6c28aaSamw 1821da6c28aaSamw (void) strncpy(parentname, dataset, sizeof (parentname)); 1822da6c28aaSamw cp = strrchr(parentname, '@'); 1823da6c28aaSamw if (cp != NULL) { 1824da6c28aaSamw cp[0] = '\0'; 1825da6c28aaSamw } else { 1826da6c28aaSamw cp = strrchr(parentname, '/'); 1827da6c28aaSamw if (cp == NULL) 1828da6c28aaSamw return (ENOENT); 1829da6c28aaSamw cp[0] = '\0'; 1830da6c28aaSamw } 1831da6c28aaSamw 1832da6c28aaSamw (void) strncpy(poolname, dataset, sizeof (poolname)); 1833da6c28aaSamw cp = strchr(poolname, '/'); 1834da6c28aaSamw if (cp != NULL) 1835da6c28aaSamw cp[0] = '\0'; 1836da6c28aaSamw 1837*c2a93d44Stimh /* 1838*c2a93d44Stimh * Make sure pool is of new enough vintage to support normalization. 1839*c2a93d44Stimh */ 1840*c2a93d44Stimh if (zfs_check_version(poolname, SPA_VERSION_NORMALIZATION)) 1841*c2a93d44Stimh return (0); 1842*c2a93d44Stimh 1843da6c28aaSamw error = zfs_prop_lookup(parentname, ZFS_PROP_UTF8ONLY, 1844da6c28aaSamw proplist, &value, update); 1845da6c28aaSamw if (error != 0) 1846da6c28aaSamw return (error); 1847da6c28aaSamw if (value != zfs_prop_default_numeric(ZFS_PROP_UTF8ONLY)) 1848da6c28aaSamw check = 1; 1849da6c28aaSamw 1850da6c28aaSamw error = zfs_prop_lookup(parentname, ZFS_PROP_NORMALIZE, 1851da6c28aaSamw proplist, &value, update); 1852da6c28aaSamw if (error != 0) 1853da6c28aaSamw return (error); 1854da6c28aaSamw if (value != zfs_prop_default_numeric(ZFS_PROP_NORMALIZE)) { 1855da6c28aaSamw check = 1; 1856da6c28aaSamw switch ((int)value) { 1857da6c28aaSamw case ZFS_NORMALIZE_NONE: 1858da6c28aaSamw break; 1859da6c28aaSamw case ZFS_NORMALIZE_C: 1860da6c28aaSamw *norm |= U8_TEXTPREP_NFC; 1861da6c28aaSamw break; 1862da6c28aaSamw case ZFS_NORMALIZE_D: 1863da6c28aaSamw *norm |= U8_TEXTPREP_NFD; 1864da6c28aaSamw break; 1865da6c28aaSamw case ZFS_NORMALIZE_KC: 1866da6c28aaSamw *norm |= U8_TEXTPREP_NFKC; 1867da6c28aaSamw break; 1868da6c28aaSamw case ZFS_NORMALIZE_KD: 1869da6c28aaSamw *norm |= U8_TEXTPREP_NFKD; 1870da6c28aaSamw break; 1871da6c28aaSamw default: 1872da6c28aaSamw ASSERT((int)value >= ZFS_NORMALIZE_NONE); 1873da6c28aaSamw ASSERT((int)value <= ZFS_NORMALIZE_KD); 1874da6c28aaSamw break; 1875da6c28aaSamw } 1876da6c28aaSamw } 1877da6c28aaSamw 1878da6c28aaSamw error = zfs_prop_lookup(parentname, ZFS_PROP_CASE, 1879da6c28aaSamw proplist, &value, update); 1880da6c28aaSamw if (error != 0) 1881da6c28aaSamw return (error); 1882da6c28aaSamw if (value != zfs_prop_default_numeric(ZFS_PROP_CASE)) { 1883da6c28aaSamw check = 1; 1884da6c28aaSamw switch ((int)value) { 1885da6c28aaSamw case ZFS_CASE_SENSITIVE: 1886da6c28aaSamw break; 1887da6c28aaSamw case ZFS_CASE_INSENSITIVE: 1888da6c28aaSamw *norm |= U8_TEXTPREP_TOUPPER; 1889da6c28aaSamw break; 1890da6c28aaSamw case ZFS_CASE_MIXED: 1891da6c28aaSamw *norm |= U8_TEXTPREP_TOUPPER; 1892da6c28aaSamw break; 1893da6c28aaSamw default: 1894da6c28aaSamw ASSERT((int)value >= ZFS_CASE_SENSITIVE); 1895da6c28aaSamw ASSERT((int)value <= ZFS_CASE_MIXED); 1896da6c28aaSamw break; 1897da6c28aaSamw } 1898da6c28aaSamw } 1899da6c28aaSamw 1900*c2a93d44Stimh /* 1901*c2a93d44Stimh * At the moment we are disabling non-default values for these 1902*c2a93d44Stimh * properties because they cannot be preserved properly with a 1903*c2a93d44Stimh * zfs send. 1904*c2a93d44Stimh */ 1905da6c28aaSamw if (check == 1) 1906*c2a93d44Stimh return (ENOTSUP); 1907*c2a93d44Stimh 1908da6c28aaSamw return (0); 1909fa9e4066Sahrens } 1910fa9e4066Sahrens 19113cb34c60Sahrens /* 19123cb34c60Sahrens * inputs: 19133cb34c60Sahrens * zc_objset_type type of objset to create (fs vs zvol) 19143cb34c60Sahrens * zc_name name of new objset 19153cb34c60Sahrens * zc_value name of snapshot to clone from (may be empty) 19163cb34c60Sahrens * zc_nvlist_src{_size} nvlist of properties to apply 19173cb34c60Sahrens * 19183cb34c60Sahrens * outputs: none 19193cb34c60Sahrens */ 1920fa9e4066Sahrens static int 1921fa9e4066Sahrens zfs_ioc_create(zfs_cmd_t *zc) 1922fa9e4066Sahrens { 1923fa9e4066Sahrens objset_t *clone; 1924fa9e4066Sahrens int error = 0; 1925da6c28aaSamw zfs_creat_t zct; 1926ecd6cf80Smarks nvlist_t *nvprops = NULL; 1927ecd6cf80Smarks void (*cbfunc)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx); 1928fa9e4066Sahrens dmu_objset_type_t type = zc->zc_objset_type; 1929fa9e4066Sahrens 1930fa9e4066Sahrens switch (type) { 1931fa9e4066Sahrens 1932fa9e4066Sahrens case DMU_OST_ZFS: 1933fa9e4066Sahrens cbfunc = zfs_create_cb; 1934fa9e4066Sahrens break; 1935fa9e4066Sahrens 1936fa9e4066Sahrens case DMU_OST_ZVOL: 1937fa9e4066Sahrens cbfunc = zvol_create_cb; 1938fa9e4066Sahrens break; 1939fa9e4066Sahrens 1940fa9e4066Sahrens default: 19411d452cf5Sahrens cbfunc = NULL; 1942fa9e4066Sahrens } 1943f18faf3fSek if (strchr(zc->zc_name, '@') || 1944f18faf3fSek strchr(zc->zc_name, '%')) 19451d452cf5Sahrens return (EINVAL); 1946fa9e4066Sahrens 1947e9dbad6fSeschrock if (zc->zc_nvlist_src != NULL && 1948990b4856Slling (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 1949990b4856Slling &nvprops)) != 0) 1950e9dbad6fSeschrock return (error); 1951e9dbad6fSeschrock 1952da6c28aaSamw zct.zct_norm = 0; 1953da6c28aaSamw zct.zct_props = nvprops; 1954da6c28aaSamw 1955e9dbad6fSeschrock if (zc->zc_value[0] != '\0') { 1956fa9e4066Sahrens /* 1957fa9e4066Sahrens * We're creating a clone of an existing snapshot. 1958fa9e4066Sahrens */ 1959e9dbad6fSeschrock zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; 1960e9dbad6fSeschrock if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0) { 1961ecd6cf80Smarks nvlist_free(nvprops); 1962fa9e4066Sahrens return (EINVAL); 1963e9dbad6fSeschrock } 1964fa9e4066Sahrens 1965e9dbad6fSeschrock error = dmu_objset_open(zc->zc_value, type, 1966fa9e4066Sahrens DS_MODE_STANDARD | DS_MODE_READONLY, &clone); 1967e9dbad6fSeschrock if (error) { 1968ecd6cf80Smarks nvlist_free(nvprops); 1969fa9e4066Sahrens return (error); 1970e9dbad6fSeschrock } 1971fa9e4066Sahrens error = dmu_objset_create(zc->zc_name, type, clone, NULL, NULL); 1972da6c28aaSamw if (error) { 1973da6c28aaSamw dmu_objset_close(clone); 1974da6c28aaSamw nvlist_free(nvprops); 1975da6c28aaSamw return (error); 1976da6c28aaSamw } 1977da6c28aaSamw /* 1978da6c28aaSamw * If caller did not provide any properties, allocate 1979da6c28aaSamw * an nvlist for properties, as we will be adding our set-once 1980da6c28aaSamw * properties to it. This carries the choices made on the 1981da6c28aaSamw * original file system into the clone. 1982da6c28aaSamw */ 1983da6c28aaSamw if (nvprops == NULL) 1984da6c28aaSamw VERIFY(nvlist_alloc(&nvprops, 1985da6c28aaSamw NV_UNIQUE_NAME, KM_SLEEP) == 0); 1986da6c28aaSamw 1987da6c28aaSamw /* 1988da6c28aaSamw * We have to have normalization and case-folding 1989da6c28aaSamw * flags correct when we do the file system creation, 1990da6c28aaSamw * so go figure them out now. All we really care about 1991da6c28aaSamw * here is getting these values into the property list. 1992da6c28aaSamw */ 1993da6c28aaSamw error = zfs_normalization_get(zc->zc_value, nvprops, 1994da6c28aaSamw &zct.zct_norm, B_TRUE); 1995da6c28aaSamw if (error != 0) { 1996da6c28aaSamw dmu_objset_close(clone); 1997da6c28aaSamw nvlist_free(nvprops); 1998da6c28aaSamw return (error); 1999da6c28aaSamw } 2000fa9e4066Sahrens dmu_objset_close(clone); 2001fa9e4066Sahrens } else { 2002e9dbad6fSeschrock if (cbfunc == NULL) { 2003ecd6cf80Smarks nvlist_free(nvprops); 20041d452cf5Sahrens return (EINVAL); 2005e9dbad6fSeschrock } 20065c5460e9Seschrock 2007e9dbad6fSeschrock if (type == DMU_OST_ZVOL) { 2008e9dbad6fSeschrock uint64_t volsize, volblocksize; 2009e9dbad6fSeschrock 2010ecd6cf80Smarks if (nvprops == NULL || 2011ecd6cf80Smarks nvlist_lookup_uint64(nvprops, 2012e9dbad6fSeschrock zfs_prop_to_name(ZFS_PROP_VOLSIZE), 2013e9dbad6fSeschrock &volsize) != 0) { 2014ecd6cf80Smarks nvlist_free(nvprops); 2015e9dbad6fSeschrock return (EINVAL); 2016e9dbad6fSeschrock } 2017e9dbad6fSeschrock 2018ecd6cf80Smarks if ((error = nvlist_lookup_uint64(nvprops, 2019e9dbad6fSeschrock zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), 2020e9dbad6fSeschrock &volblocksize)) != 0 && error != ENOENT) { 2021ecd6cf80Smarks nvlist_free(nvprops); 2022e9dbad6fSeschrock return (EINVAL); 2023e9dbad6fSeschrock } 2024e9dbad6fSeschrock 2025e9dbad6fSeschrock if (error != 0) 2026e9dbad6fSeschrock volblocksize = zfs_prop_default_numeric( 2027e9dbad6fSeschrock ZFS_PROP_VOLBLOCKSIZE); 2028e9dbad6fSeschrock 2029e9dbad6fSeschrock if ((error = zvol_check_volblocksize( 2030e9dbad6fSeschrock volblocksize)) != 0 || 2031e9dbad6fSeschrock (error = zvol_check_volsize(volsize, 2032e9dbad6fSeschrock volblocksize)) != 0) { 2033ecd6cf80Smarks nvlist_free(nvprops); 20345c5460e9Seschrock return (error); 2035e9dbad6fSeschrock } 2036e7437265Sahrens } else if (type == DMU_OST_ZFS) { 2037e7437265Sahrens uint64_t version; 2038da6c28aaSamw int error; 2039da6c28aaSamw 2040da6c28aaSamw error = nvlist_lookup_uint64(nvprops, 2041da6c28aaSamw zfs_prop_to_name(ZFS_PROP_VERSION), &version); 2042e7437265Sahrens 2043da6c28aaSamw if (error == 0 && (version < ZPL_VERSION_INITIAL || 2044e7437265Sahrens version > ZPL_VERSION)) { 2045e7437265Sahrens nvlist_free(nvprops); 2046da6c28aaSamw return (ENOTSUP); 2047da6c28aaSamw } else if (error == 0 && version >= ZPL_VERSION_FUID && 2048da6c28aaSamw zfs_check_version(zc->zc_name, SPA_VERSION_FUID)) { 2049da6c28aaSamw nvlist_free(nvprops); 2050da6c28aaSamw return (ENOTSUP); 2051e7437265Sahrens } 2052e9dbad6fSeschrock 2053da6c28aaSamw /* 2054da6c28aaSamw * We have to have normalization and 2055da6c28aaSamw * case-folding flags correct when we do the 2056da6c28aaSamw * file system creation, so go figure them out 2057da6c28aaSamw * now. The final argument to zfs_normalization_get() 2058da6c28aaSamw * tells that routine not to update the nvprops 2059da6c28aaSamw * list. 2060da6c28aaSamw */ 2061da6c28aaSamw error = zfs_normalization_get(zc->zc_name, nvprops, 2062da6c28aaSamw &zct.zct_norm, B_FALSE); 2063da6c28aaSamw if (error != 0) { 2064da6c28aaSamw nvlist_free(nvprops); 2065da6c28aaSamw return (error); 2066da6c28aaSamw } 2067da6c28aaSamw } 2068e9dbad6fSeschrock error = dmu_objset_create(zc->zc_name, type, NULL, cbfunc, 2069da6c28aaSamw &zct); 2070fa9e4066Sahrens } 2071e9dbad6fSeschrock 2072e9dbad6fSeschrock /* 2073e9dbad6fSeschrock * It would be nice to do this atomically. 2074e9dbad6fSeschrock */ 2075e9dbad6fSeschrock if (error == 0) { 207691ebeef5Sahrens if ((error = zfs_set_prop_nvlist(zc->zc_name, nvprops)) != 0) 2077e9dbad6fSeschrock (void) dmu_objset_destroy(zc->zc_name); 2078e9dbad6fSeschrock } 2079e9dbad6fSeschrock 2080ecd6cf80Smarks nvlist_free(nvprops); 2081fa9e4066Sahrens return (error); 2082fa9e4066Sahrens } 2083fa9e4066Sahrens 20843cb34c60Sahrens /* 20853cb34c60Sahrens * inputs: 20863cb34c60Sahrens * zc_name name of filesystem 20873cb34c60Sahrens * zc_value short name of snapshot 20883cb34c60Sahrens * zc_cookie recursive flag 20893cb34c60Sahrens * 20903cb34c60Sahrens * outputs: none 20913cb34c60Sahrens */ 2092fa9e4066Sahrens static int 20931d452cf5Sahrens zfs_ioc_snapshot(zfs_cmd_t *zc) 2094fa9e4066Sahrens { 2095e9dbad6fSeschrock if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) 20961d452cf5Sahrens return (EINVAL); 20971d452cf5Sahrens return (dmu_objset_snapshot(zc->zc_name, 2098e9dbad6fSeschrock zc->zc_value, zc->zc_cookie)); 20991d452cf5Sahrens } 2100fa9e4066Sahrens 2101cdf5b4caSmmusante int 21021d452cf5Sahrens zfs_unmount_snap(char *name, void *arg) 21031d452cf5Sahrens { 21041d452cf5Sahrens char *snapname = arg; 21051d452cf5Sahrens char *cp; 21060b69c2f0Sahrens vfs_t *vfsp = NULL; 21071d452cf5Sahrens 21081d452cf5Sahrens /* 21091d452cf5Sahrens * Snapshots (which are under .zfs control) must be unmounted 21101d452cf5Sahrens * before they can be destroyed. 21111d452cf5Sahrens */ 21121d452cf5Sahrens 21131d452cf5Sahrens if (snapname) { 21141d452cf5Sahrens (void) strcat(name, "@"); 21151d452cf5Sahrens (void) strcat(name, snapname); 21161d452cf5Sahrens vfsp = zfs_get_vfs(name); 21171d452cf5Sahrens cp = strchr(name, '@'); 21181d452cf5Sahrens *cp = '\0'; 21190b69c2f0Sahrens } else if (strchr(name, '@')) { 21201d452cf5Sahrens vfsp = zfs_get_vfs(name); 21211d452cf5Sahrens } 21221d452cf5Sahrens 21231d452cf5Sahrens if (vfsp) { 2124fa9e4066Sahrens /* 21251d452cf5Sahrens * Always force the unmount for snapshots. 2126fa9e4066Sahrens */ 21271d452cf5Sahrens int flag = MS_FORCE; 21281d452cf5Sahrens int err; 21291d452cf5Sahrens 21301d452cf5Sahrens if ((err = vn_vfswlock(vfsp->vfs_vnodecovered)) != 0) { 2131fa9e4066Sahrens VFS_RELE(vfsp); 21321d452cf5Sahrens return (err); 2133fa9e4066Sahrens } 21341d452cf5Sahrens VFS_RELE(vfsp); 21351d452cf5Sahrens if ((err = dounmount(vfsp, flag, kcred)) != 0) 21361d452cf5Sahrens return (err); 21371d452cf5Sahrens } 21381d452cf5Sahrens return (0); 21391d452cf5Sahrens } 21401d452cf5Sahrens 21413cb34c60Sahrens /* 21423cb34c60Sahrens * inputs: 21433cb34c60Sahrens * zc_name name of filesystem 21443cb34c60Sahrens * zc_value short name of snapshot 21453cb34c60Sahrens * 21463cb34c60Sahrens * outputs: none 21473cb34c60Sahrens */ 21481d452cf5Sahrens static int 21491d452cf5Sahrens zfs_ioc_destroy_snaps(zfs_cmd_t *zc) 21501d452cf5Sahrens { 21511d452cf5Sahrens int err; 21521d452cf5Sahrens 2153e9dbad6fSeschrock if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) 21541d452cf5Sahrens return (EINVAL); 21551d452cf5Sahrens err = dmu_objset_find(zc->zc_name, 2156e9dbad6fSeschrock zfs_unmount_snap, zc->zc_value, DS_FIND_CHILDREN); 21571d452cf5Sahrens if (err) 21581d452cf5Sahrens return (err); 2159e9dbad6fSeschrock return (dmu_snapshots_destroy(zc->zc_name, zc->zc_value)); 21601d452cf5Sahrens } 21611d452cf5Sahrens 21623cb34c60Sahrens /* 21633cb34c60Sahrens * inputs: 21643cb34c60Sahrens * zc_name name of dataset to destroy 21653cb34c60Sahrens * zc_objset_type type of objset 21663cb34c60Sahrens * 21673cb34c60Sahrens * outputs: none 21683cb34c60Sahrens */ 21691d452cf5Sahrens static int 21701d452cf5Sahrens zfs_ioc_destroy(zfs_cmd_t *zc) 21711d452cf5Sahrens { 21721d452cf5Sahrens if (strchr(zc->zc_name, '@') && zc->zc_objset_type == DMU_OST_ZFS) { 21731d452cf5Sahrens int err = zfs_unmount_snap(zc->zc_name, NULL); 21741d452cf5Sahrens if (err) 21751d452cf5Sahrens return (err); 2176fa9e4066Sahrens } 2177fa9e4066Sahrens 2178fa9e4066Sahrens return (dmu_objset_destroy(zc->zc_name)); 2179fa9e4066Sahrens } 2180fa9e4066Sahrens 21813cb34c60Sahrens /* 21823cb34c60Sahrens * inputs: 21833cb34c60Sahrens * zc_name name of snapshot to roll back to 21843cb34c60Sahrens * 21853cb34c60Sahrens * outputs: none 21863cb34c60Sahrens */ 2187fa9e4066Sahrens static int 2188fa9e4066Sahrens zfs_ioc_rollback(zfs_cmd_t *zc) 2189fa9e4066Sahrens { 2190fa9e4066Sahrens return (dmu_objset_rollback(zc->zc_name)); 2191fa9e4066Sahrens } 2192fa9e4066Sahrens 21933cb34c60Sahrens /* 21943cb34c60Sahrens * inputs: 21953cb34c60Sahrens * zc_name old name of dataset 21963cb34c60Sahrens * zc_value new name of dataset 21973cb34c60Sahrens * zc_cookie recursive flag (only valid for snapshots) 21983cb34c60Sahrens * 21993cb34c60Sahrens * outputs: none 22003cb34c60Sahrens */ 2201fa9e4066Sahrens static int 2202fa9e4066Sahrens zfs_ioc_rename(zfs_cmd_t *zc) 2203fa9e4066Sahrens { 22047f1f55eaSvb boolean_t recursive = zc->zc_cookie & 1; 2205cdf5b4caSmmusante 2206e9dbad6fSeschrock zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; 2207f18faf3fSek if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || 2208f18faf3fSek strchr(zc->zc_value, '%')) 2209fa9e4066Sahrens return (EINVAL); 2210fa9e4066Sahrens 2211cdf5b4caSmmusante /* 2212cdf5b4caSmmusante * Unmount snapshot unless we're doing a recursive rename, 2213cdf5b4caSmmusante * in which case the dataset code figures out which snapshots 2214cdf5b4caSmmusante * to unmount. 2215cdf5b4caSmmusante */ 2216cdf5b4caSmmusante if (!recursive && strchr(zc->zc_name, '@') != NULL && 2217fa9e4066Sahrens zc->zc_objset_type == DMU_OST_ZFS) { 22181d452cf5Sahrens int err = zfs_unmount_snap(zc->zc_name, NULL); 22191d452cf5Sahrens if (err) 22201d452cf5Sahrens return (err); 2221fa9e4066Sahrens } 2222fa9e4066Sahrens 2223cdf5b4caSmmusante return (dmu_objset_rename(zc->zc_name, zc->zc_value, recursive)); 2224fa9e4066Sahrens } 2225fa9e4066Sahrens 22263cb34c60Sahrens /* 22273cb34c60Sahrens * inputs: 22283cb34c60Sahrens * zc_name name of containing filesystem 22293cb34c60Sahrens * zc_nvlist_src{_size} nvlist of properties to apply 22303cb34c60Sahrens * zc_value name of snapshot to create 22313cb34c60Sahrens * zc_string name of clone origin (if DRR_FLAG_CLONE) 22323cb34c60Sahrens * zc_cookie file descriptor to recv from 22333cb34c60Sahrens * zc_begin_record the BEGIN record of the stream (not byteswapped) 22343cb34c60Sahrens * zc_guid force flag 22353cb34c60Sahrens * 22363cb34c60Sahrens * outputs: 22373cb34c60Sahrens * zc_cookie number of bytes read 22383cb34c60Sahrens */ 2239fa9e4066Sahrens static int 22403cb34c60Sahrens zfs_ioc_recv(zfs_cmd_t *zc) 2241fa9e4066Sahrens { 2242fa9e4066Sahrens file_t *fp; 2243f18faf3fSek objset_t *os; 22443cb34c60Sahrens dmu_recv_cookie_t drc; 2245f18faf3fSek zfsvfs_t *zfsvfs = NULL; 2246f18faf3fSek boolean_t force = (boolean_t)zc->zc_guid; 2247f18faf3fSek int error, fd; 22483cb34c60Sahrens offset_t off; 22493cb34c60Sahrens nvlist_t *props = NULL; 22503cb34c60Sahrens objset_t *origin = NULL; 22513cb34c60Sahrens char *tosnap; 22523cb34c60Sahrens char tofs[ZFS_MAXNAMELEN]; 2253fa9e4066Sahrens 22543ccfa83cSahrens if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || 2255f18faf3fSek strchr(zc->zc_value, '@') == NULL || 2256f18faf3fSek strchr(zc->zc_value, '%')) 22573ccfa83cSahrens return (EINVAL); 22583ccfa83cSahrens 22593cb34c60Sahrens (void) strcpy(tofs, zc->zc_value); 22603cb34c60Sahrens tosnap = strchr(tofs, '@'); 22613cb34c60Sahrens *tosnap = '\0'; 22623cb34c60Sahrens tosnap++; 22633cb34c60Sahrens 22643cb34c60Sahrens if (zc->zc_nvlist_src != NULL && 22653cb34c60Sahrens (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, 22663cb34c60Sahrens &props)) != 0) 22673cb34c60Sahrens return (error); 22683cb34c60Sahrens 2269fa9e4066Sahrens fd = zc->zc_cookie; 2270fa9e4066Sahrens fp = getf(fd); 22713cb34c60Sahrens if (fp == NULL) { 22723cb34c60Sahrens nvlist_free(props); 2273fa9e4066Sahrens return (EBADF); 22743cb34c60Sahrens } 2275f18faf3fSek 2276f18faf3fSek /* 2277f18faf3fSek * Get the zfsvfs for the receiving objset. There 2278f18faf3fSek * won't be one if we're operating on a zvol, if the 2279f18faf3fSek * objset doesn't exist yet, or is not mounted. 2280f18faf3fSek */ 22813cb34c60Sahrens 22823cb34c60Sahrens error = dmu_objset_open(tofs, DMU_OST_ANY, 2283f18faf3fSek DS_MODE_STANDARD | DS_MODE_READONLY, &os); 2284f18faf3fSek if (!error) { 2285f18faf3fSek if (dmu_objset_type(os) == DMU_OST_ZFS) { 2286f18faf3fSek mutex_enter(&os->os->os_user_ptr_lock); 2287f18faf3fSek zfsvfs = dmu_objset_get_user(os); 2288f18faf3fSek if (zfsvfs != NULL) 2289f18faf3fSek VFS_HOLD(zfsvfs->z_vfs); 2290f18faf3fSek mutex_exit(&os->os->os_user_ptr_lock); 2291f18faf3fSek } 2292f18faf3fSek dmu_objset_close(os); 2293f18faf3fSek } 2294f18faf3fSek 22953cb34c60Sahrens if (zc->zc_string[0]) { 22963cb34c60Sahrens error = dmu_objset_open(zc->zc_string, DMU_OST_ANY, 22973cb34c60Sahrens DS_MODE_STANDARD | DS_MODE_READONLY, &origin); 22983cb34c60Sahrens if (error) { 22993cb34c60Sahrens if (zfsvfs != NULL) 23003cb34c60Sahrens VFS_RELE(zfsvfs->z_vfs); 23013cb34c60Sahrens nvlist_free(props); 23023cb34c60Sahrens releasef(fd); 23033cb34c60Sahrens return (error); 23043cb34c60Sahrens } 23053cb34c60Sahrens } 23063cb34c60Sahrens 23073cb34c60Sahrens error = dmu_recv_begin(tofs, tosnap, &zc->zc_begin_record, 23083cb34c60Sahrens force, origin, zfsvfs != NULL, &drc); 23093cb34c60Sahrens if (origin) 23103cb34c60Sahrens dmu_objset_close(origin); 23113cb34c60Sahrens if (error) { 23123cb34c60Sahrens if (zfsvfs != NULL) 23133cb34c60Sahrens VFS_RELE(zfsvfs->z_vfs); 23143cb34c60Sahrens nvlist_free(props); 23153cb34c60Sahrens releasef(fd); 23163cb34c60Sahrens return (error); 23173cb34c60Sahrens } 2318f18faf3fSek 2319f18faf3fSek /* 23203cb34c60Sahrens * If properties are supplied, they are to completely replace 23213cb34c60Sahrens * the existing ones; "inherit" any existing properties. 2322f18faf3fSek */ 23233cb34c60Sahrens if (props) { 23243cb34c60Sahrens objset_t *os; 23253cb34c60Sahrens nvlist_t *nv = NULL; 23263cb34c60Sahrens 23273cb34c60Sahrens error = dmu_objset_open(tofs, DMU_OST_ANY, 23283cb34c60Sahrens DS_MODE_STANDARD | DS_MODE_READONLY | DS_MODE_INCONSISTENT, 23293cb34c60Sahrens &os); 23303cb34c60Sahrens if (error == 0) { 23313cb34c60Sahrens error = dsl_prop_get_all(os, &nv); 23323cb34c60Sahrens dmu_objset_close(os); 23333cb34c60Sahrens } 23343cb34c60Sahrens if (error == 0) { 23353cb34c60Sahrens nvpair_t *elem; 23363cb34c60Sahrens zfs_cmd_t zc2 = { 0 }; 23373cb34c60Sahrens 23383cb34c60Sahrens (void) strcpy(zc2.zc_name, tofs); 23393cb34c60Sahrens for (elem = nvlist_next_nvpair(nv, NULL); elem; 23403cb34c60Sahrens elem = nvlist_next_nvpair(nv, elem)) { 23413cb34c60Sahrens (void) strcpy(zc2.zc_value, nvpair_name(elem)); 23423cb34c60Sahrens if (zfs_secpolicy_inherit(&zc2, CRED()) == 0) 23433cb34c60Sahrens (void) zfs_ioc_inherit_prop(&zc2); 2344f18faf3fSek } 2345f18faf3fSek } 23463cb34c60Sahrens if (nv) 23473cb34c60Sahrens nvlist_free(nv); 23483cb34c60Sahrens } 23493cb34c60Sahrens 23503cb34c60Sahrens /* 23513cb34c60Sahrens * Set properties. Note, we ignore errors. Would be better to 23523cb34c60Sahrens * do best-effort in zfs_set_prop_nvlist, too. 23533cb34c60Sahrens */ 23543cb34c60Sahrens (void) zfs_set_prop_nvlist(tofs, props); 23553cb34c60Sahrens nvlist_free(props); 23563cb34c60Sahrens 23573cb34c60Sahrens off = fp->f_offset; 23583cb34c60Sahrens error = dmu_recv_stream(&drc, fp->f_vnode, &off); 2359a2eea2e1Sahrens 23603cb34c60Sahrens if (error == 0) { 23613cb34c60Sahrens if (zfsvfs != NULL) { 23623cb34c60Sahrens char osname[MAXNAMELEN]; 23633cb34c60Sahrens int mode; 23643cb34c60Sahrens 23653cb34c60Sahrens (void) zfs_suspend_fs(zfsvfs, osname, &mode); 23663cb34c60Sahrens error = dmu_recv_end(&drc); 23673cb34c60Sahrens error |= zfs_resume_fs(zfsvfs, osname, mode); 23683cb34c60Sahrens } else { 23693cb34c60Sahrens error = dmu_recv_end(&drc); 23703cb34c60Sahrens } 2371f18faf3fSek } 2372f18faf3fSek if (zfsvfs != NULL) 2373f18faf3fSek VFS_RELE(zfsvfs->z_vfs); 23743cb34c60Sahrens 23753cb34c60Sahrens zc->zc_cookie = off - fp->f_offset; 23763cb34c60Sahrens if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) 23773cb34c60Sahrens fp->f_offset = off; 2378a2eea2e1Sahrens 2379fa9e4066Sahrens releasef(fd); 2380fa9e4066Sahrens return (error); 2381fa9e4066Sahrens } 2382fa9e4066Sahrens 23833cb34c60Sahrens /* 23843cb34c60Sahrens * inputs: 23853cb34c60Sahrens * zc_name name of snapshot to send 23863cb34c60Sahrens * zc_value short name of incremental fromsnap (may be empty) 23873cb34c60Sahrens * zc_cookie file descriptor to send stream to 23883cb34c60Sahrens * zc_obj fromorigin flag (mutually exclusive with zc_value) 23893cb34c60Sahrens * 23903cb34c60Sahrens * outputs: none 23913cb34c60Sahrens */ 2392fa9e4066Sahrens static int 23933cb34c60Sahrens zfs_ioc_send(zfs_cmd_t *zc) 2394fa9e4066Sahrens { 2395fa9e4066Sahrens objset_t *fromsnap = NULL; 2396fa9e4066Sahrens objset_t *tosnap; 2397fa9e4066Sahrens file_t *fp; 2398fa9e4066Sahrens int error; 23993cb34c60Sahrens offset_t off; 2400fa9e4066Sahrens 2401fa9e4066Sahrens error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, 2402fa9e4066Sahrens DS_MODE_STANDARD | DS_MODE_READONLY, &tosnap); 2403fa9e4066Sahrens if (error) 2404fa9e4066Sahrens return (error); 2405fa9e4066Sahrens 2406e9dbad6fSeschrock if (zc->zc_value[0] != '\0') { 2407a2eea2e1Sahrens char buf[MAXPATHLEN]; 2408a2eea2e1Sahrens char *cp; 2409a2eea2e1Sahrens 2410a2eea2e1Sahrens (void) strncpy(buf, zc->zc_name, sizeof (buf)); 2411a2eea2e1Sahrens cp = strchr(buf, '@'); 2412a2eea2e1Sahrens if (cp) 2413a2eea2e1Sahrens *(cp+1) = 0; 2414a2eea2e1Sahrens (void) strncat(buf, zc->zc_value, sizeof (buf)); 2415a2eea2e1Sahrens error = dmu_objset_open(buf, DMU_OST_ANY, 2416fa9e4066Sahrens DS_MODE_STANDARD | DS_MODE_READONLY, &fromsnap); 2417fa9e4066Sahrens if (error) { 2418fa9e4066Sahrens dmu_objset_close(tosnap); 2419fa9e4066Sahrens return (error); 2420fa9e4066Sahrens } 2421fa9e4066Sahrens } 2422fa9e4066Sahrens 2423fa9e4066Sahrens fp = getf(zc->zc_cookie); 2424fa9e4066Sahrens if (fp == NULL) { 2425fa9e4066Sahrens dmu_objset_close(tosnap); 2426fa9e4066Sahrens if (fromsnap) 2427fa9e4066Sahrens dmu_objset_close(fromsnap); 2428fa9e4066Sahrens return (EBADF); 2429fa9e4066Sahrens } 2430fa9e4066Sahrens 24313cb34c60Sahrens off = fp->f_offset; 24323cb34c60Sahrens error = dmu_sendbackup(tosnap, fromsnap, zc->zc_obj, fp->f_vnode, &off); 2433fa9e4066Sahrens 24343cb34c60Sahrens if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) 24353cb34c60Sahrens fp->f_offset = off; 2436fa9e4066Sahrens releasef(zc->zc_cookie); 2437fa9e4066Sahrens if (fromsnap) 2438fa9e4066Sahrens dmu_objset_close(fromsnap); 2439fa9e4066Sahrens dmu_objset_close(tosnap); 2440fa9e4066Sahrens return (error); 2441fa9e4066Sahrens } 2442fa9e4066Sahrens 2443ea8dc4b6Seschrock static int 2444ea8dc4b6Seschrock zfs_ioc_inject_fault(zfs_cmd_t *zc) 2445ea8dc4b6Seschrock { 2446ea8dc4b6Seschrock int id, error; 2447ea8dc4b6Seschrock 2448ea8dc4b6Seschrock error = zio_inject_fault(zc->zc_name, (int)zc->zc_guid, &id, 2449ea8dc4b6Seschrock &zc->zc_inject_record); 2450ea8dc4b6Seschrock 2451ea8dc4b6Seschrock if (error == 0) 2452ea8dc4b6Seschrock zc->zc_guid = (uint64_t)id; 2453ea8dc4b6Seschrock 2454ea8dc4b6Seschrock return (error); 2455ea8dc4b6Seschrock } 2456ea8dc4b6Seschrock 2457ea8dc4b6Seschrock static int 2458ea8dc4b6Seschrock zfs_ioc_clear_fault(zfs_cmd_t *zc) 2459ea8dc4b6Seschrock { 2460ea8dc4b6Seschrock return (zio_clear_fault((int)zc->zc_guid)); 2461ea8dc4b6Seschrock } 2462ea8dc4b6Seschrock 2463ea8dc4b6Seschrock static int 2464ea8dc4b6Seschrock zfs_ioc_inject_list_next(zfs_cmd_t *zc) 2465ea8dc4b6Seschrock { 2466ea8dc4b6Seschrock int id = (int)zc->zc_guid; 2467ea8dc4b6Seschrock int error; 2468ea8dc4b6Seschrock 2469ea8dc4b6Seschrock error = zio_inject_list_next(&id, zc->zc_name, sizeof (zc->zc_name), 2470ea8dc4b6Seschrock &zc->zc_inject_record); 2471ea8dc4b6Seschrock 2472ea8dc4b6Seschrock zc->zc_guid = id; 2473ea8dc4b6Seschrock 2474ea8dc4b6Seschrock return (error); 2475ea8dc4b6Seschrock } 2476ea8dc4b6Seschrock 2477ea8dc4b6Seschrock static int 2478ea8dc4b6Seschrock zfs_ioc_error_log(zfs_cmd_t *zc) 2479ea8dc4b6Seschrock { 2480ea8dc4b6Seschrock spa_t *spa; 2481ea8dc4b6Seschrock int error; 2482e9dbad6fSeschrock size_t count = (size_t)zc->zc_nvlist_dst_size; 2483ea8dc4b6Seschrock 2484ea8dc4b6Seschrock if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 2485ea8dc4b6Seschrock return (error); 2486ea8dc4b6Seschrock 2487e9dbad6fSeschrock error = spa_get_errlog(spa, (void *)(uintptr_t)zc->zc_nvlist_dst, 2488ea8dc4b6Seschrock &count); 2489ea8dc4b6Seschrock if (error == 0) 2490e9dbad6fSeschrock zc->zc_nvlist_dst_size = count; 2491ea8dc4b6Seschrock else 2492e9dbad6fSeschrock zc->zc_nvlist_dst_size = spa_get_errlog_size(spa); 2493ea8dc4b6Seschrock 2494ea8dc4b6Seschrock spa_close(spa, FTAG); 2495ea8dc4b6Seschrock 2496ea8dc4b6Seschrock return (error); 2497ea8dc4b6Seschrock } 2498ea8dc4b6Seschrock 2499ea8dc4b6Seschrock static int 2500ea8dc4b6Seschrock zfs_ioc_clear(zfs_cmd_t *zc) 2501ea8dc4b6Seschrock { 2502ea8dc4b6Seschrock spa_t *spa; 2503ea8dc4b6Seschrock vdev_t *vd; 25043d7072f8Seschrock uint64_t txg; 2505bb8b5132Sek int error; 2506ea8dc4b6Seschrock 2507ea8dc4b6Seschrock if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) 2508ea8dc4b6Seschrock return (error); 2509ea8dc4b6Seschrock 25100a4e9518Sgw /* 25110a4e9518Sgw * Try to resume any I/Os which may have been suspended 25120a4e9518Sgw * as a result of a complete pool failure. 25130a4e9518Sgw */ 25140a4e9518Sgw if (!list_is_empty(&spa->spa_zio_list)) { 25150a4e9518Sgw if (zio_vdev_resume_io(spa) != 0) { 25160a4e9518Sgw spa_close(spa, FTAG); 25170a4e9518Sgw return (EIO); 25180a4e9518Sgw } 25190a4e9518Sgw } 25200a4e9518Sgw 25213d7072f8Seschrock txg = spa_vdev_enter(spa); 2522ea8dc4b6Seschrock 2523e9dbad6fSeschrock if (zc->zc_guid == 0) { 2524ea8dc4b6Seschrock vd = NULL; 2525e9dbad6fSeschrock } else if ((vd = spa_lookup_by_guid(spa, zc->zc_guid)) == NULL) { 25263d7072f8Seschrock (void) spa_vdev_exit(spa, NULL, txg, ENODEV); 2527ea8dc4b6Seschrock spa_close(spa, FTAG); 2528ea8dc4b6Seschrock return (ENODEV); 2529ea8dc4b6Seschrock } 2530ea8dc4b6Seschrock 25310a4e9518Sgw vdev_clear(spa, vd, B_TRUE); 2532ea8dc4b6Seschrock 25333d7072f8Seschrock (void) spa_vdev_exit(spa, NULL, txg, 0); 2534ea8dc4b6Seschrock 2535ea8dc4b6Seschrock spa_close(spa, FTAG); 2536ea8dc4b6Seschrock 2537ea8dc4b6Seschrock return (0); 2538ea8dc4b6Seschrock } 2539ea8dc4b6Seschrock 25403cb34c60Sahrens /* 25413cb34c60Sahrens * inputs: 25423cb34c60Sahrens * zc_name name of filesystem 25433cb34c60Sahrens * zc_value name of origin snapshot 25443cb34c60Sahrens * 25453cb34c60Sahrens * outputs: none 25463cb34c60Sahrens */ 254799653d4eSeschrock static int 254899653d4eSeschrock zfs_ioc_promote(zfs_cmd_t *zc) 254999653d4eSeschrock { 25500b69c2f0Sahrens char *cp; 25510b69c2f0Sahrens 25520b69c2f0Sahrens /* 25530b69c2f0Sahrens * We don't need to unmount *all* the origin fs's snapshots, but 25540b69c2f0Sahrens * it's easier. 25550b69c2f0Sahrens */ 2556e9dbad6fSeschrock cp = strchr(zc->zc_value, '@'); 25570b69c2f0Sahrens if (cp) 25580b69c2f0Sahrens *cp = '\0'; 2559e9dbad6fSeschrock (void) dmu_objset_find(zc->zc_value, 25600b69c2f0Sahrens zfs_unmount_snap, NULL, DS_FIND_SNAPSHOTS); 256199653d4eSeschrock return (dsl_dataset_promote(zc->zc_name)); 256299653d4eSeschrock } 256399653d4eSeschrock 2564ecd6cf80Smarks /* 2565ecd6cf80Smarks * We don't want to have a hard dependency 2566ecd6cf80Smarks * against some special symbols in sharefs 2567da6c28aaSamw * nfs, and smbsrv. Determine them if needed when 2568ecd6cf80Smarks * the first file system is shared. 2569da6c28aaSamw * Neither sharefs, nfs or smbsrv are unloadable modules. 2570ecd6cf80Smarks */ 2571da6c28aaSamw int (*znfsexport_fs)(void *arg); 2572ecd6cf80Smarks int (*zshare_fs)(enum sharefs_sys_op, share_t *, uint32_t); 2573da6c28aaSamw int (*zsmbexport_fs)(void *arg, boolean_t add_share); 2574da6c28aaSamw 2575da6c28aaSamw int zfs_nfsshare_inited; 2576da6c28aaSamw int zfs_smbshare_inited; 2577ecd6cf80Smarks 2578ecd6cf80Smarks ddi_modhandle_t nfs_mod; 2579ecd6cf80Smarks ddi_modhandle_t sharefs_mod; 2580da6c28aaSamw ddi_modhandle_t smbsrv_mod; 2581ecd6cf80Smarks kmutex_t zfs_share_lock; 2582ecd6cf80Smarks 2583da6c28aaSamw static int 2584da6c28aaSamw zfs_init_sharefs() 2585da6c28aaSamw { 2586da6c28aaSamw int error; 2587da6c28aaSamw 2588da6c28aaSamw ASSERT(MUTEX_HELD(&zfs_share_lock)); 2589da6c28aaSamw /* Both NFS and SMB shares also require sharetab support. */ 2590da6c28aaSamw if (sharefs_mod == NULL && ((sharefs_mod = 2591da6c28aaSamw ddi_modopen("fs/sharefs", 2592da6c28aaSamw KRTLD_MODE_FIRST, &error)) == NULL)) { 2593da6c28aaSamw return (ENOSYS); 2594da6c28aaSamw } 2595da6c28aaSamw if (zshare_fs == NULL && ((zshare_fs = 2596da6c28aaSamw (int (*)(enum sharefs_sys_op, share_t *, uint32_t)) 2597da6c28aaSamw ddi_modsym(sharefs_mod, "sharefs_impl", &error)) == NULL)) { 2598da6c28aaSamw return (ENOSYS); 2599da6c28aaSamw } 2600da6c28aaSamw return (0); 2601da6c28aaSamw } 2602da6c28aaSamw 2603ecd6cf80Smarks static int 2604ecd6cf80Smarks zfs_ioc_share(zfs_cmd_t *zc) 2605ecd6cf80Smarks { 2606ecd6cf80Smarks int error; 2607ecd6cf80Smarks int opcode; 2608ecd6cf80Smarks 2609da6c28aaSamw switch (zc->zc_share.z_sharetype) { 2610da6c28aaSamw case ZFS_SHARE_NFS: 2611da6c28aaSamw case ZFS_UNSHARE_NFS: 2612da6c28aaSamw if (zfs_nfsshare_inited == 0) { 2613da6c28aaSamw mutex_enter(&zfs_share_lock); 2614da6c28aaSamw if (nfs_mod == NULL && ((nfs_mod = ddi_modopen("fs/nfs", 2615da6c28aaSamw KRTLD_MODE_FIRST, &error)) == NULL)) { 2616da6c28aaSamw mutex_exit(&zfs_share_lock); 2617da6c28aaSamw return (ENOSYS); 2618da6c28aaSamw } 2619da6c28aaSamw if (znfsexport_fs == NULL && 2620da6c28aaSamw ((znfsexport_fs = (int (*)(void *)) 2621da6c28aaSamw ddi_modsym(nfs_mod, 2622da6c28aaSamw "nfs_export", &error)) == NULL)) { 2623da6c28aaSamw mutex_exit(&zfs_share_lock); 2624da6c28aaSamw return (ENOSYS); 2625da6c28aaSamw } 2626da6c28aaSamw error = zfs_init_sharefs(); 2627da6c28aaSamw if (error) { 2628da6c28aaSamw mutex_exit(&zfs_share_lock); 2629da6c28aaSamw return (ENOSYS); 2630da6c28aaSamw } 2631da6c28aaSamw zfs_nfsshare_inited = 1; 2632ecd6cf80Smarks mutex_exit(&zfs_share_lock); 2633ecd6cf80Smarks } 2634da6c28aaSamw break; 2635da6c28aaSamw case ZFS_SHARE_SMB: 2636da6c28aaSamw case ZFS_UNSHARE_SMB: 2637da6c28aaSamw if (zfs_smbshare_inited == 0) { 2638da6c28aaSamw mutex_enter(&zfs_share_lock); 2639da6c28aaSamw if (smbsrv_mod == NULL && ((smbsrv_mod = 2640da6c28aaSamw ddi_modopen("drv/smbsrv", 2641da6c28aaSamw KRTLD_MODE_FIRST, &error)) == NULL)) { 2642da6c28aaSamw mutex_exit(&zfs_share_lock); 2643da6c28aaSamw return (ENOSYS); 2644da6c28aaSamw } 2645da6c28aaSamw if (zsmbexport_fs == NULL && ((zsmbexport_fs = 2646da6c28aaSamw (int (*)(void *, boolean_t))ddi_modsym(smbsrv_mod, 2647da6c28aaSamw "lmshrd_share_upcall", &error)) == NULL)) { 2648da6c28aaSamw mutex_exit(&zfs_share_lock); 2649da6c28aaSamw return (ENOSYS); 2650da6c28aaSamw } 2651da6c28aaSamw error = zfs_init_sharefs(); 2652da6c28aaSamw if (error) { 2653da6c28aaSamw mutex_exit(&zfs_share_lock); 2654da6c28aaSamw return (ENOSYS); 2655da6c28aaSamw } 2656da6c28aaSamw zfs_smbshare_inited = 1; 2657ecd6cf80Smarks mutex_exit(&zfs_share_lock); 2658ecd6cf80Smarks } 2659da6c28aaSamw break; 2660da6c28aaSamw default: 2661da6c28aaSamw return (EINVAL); 2662da6c28aaSamw } 2663ecd6cf80Smarks 2664da6c28aaSamw switch (zc->zc_share.z_sharetype) { 2665da6c28aaSamw case ZFS_SHARE_NFS: 2666da6c28aaSamw case ZFS_UNSHARE_NFS: 2667da6c28aaSamw if (error = 2668da6c28aaSamw znfsexport_fs((void *) 2669da6c28aaSamw (uintptr_t)zc->zc_share.z_exportdata)) 2670da6c28aaSamw return (error); 2671da6c28aaSamw break; 2672da6c28aaSamw case ZFS_SHARE_SMB: 2673da6c28aaSamw case ZFS_UNSHARE_SMB: 2674da6c28aaSamw if (error = zsmbexport_fs((void *) 2675da6c28aaSamw (uintptr_t)zc->zc_share.z_exportdata, 2676da6c28aaSamw zc->zc_share.z_sharetype == ZFS_SHARE_SMB ? 2677da6c28aaSamw B_TRUE : B_FALSE)) { 2678da6c28aaSamw return (error); 2679ecd6cf80Smarks } 2680da6c28aaSamw break; 2681ecd6cf80Smarks } 2682ecd6cf80Smarks 2683da6c28aaSamw opcode = (zc->zc_share.z_sharetype == ZFS_SHARE_NFS || 2684da6c28aaSamw zc->zc_share.z_sharetype == ZFS_SHARE_SMB) ? 2685ecd6cf80Smarks SHAREFS_ADD : SHAREFS_REMOVE; 2686ecd6cf80Smarks 2687da6c28aaSamw /* 2688da6c28aaSamw * Add or remove share from sharetab 2689da6c28aaSamw */ 2690ecd6cf80Smarks error = zshare_fs(opcode, 2691ecd6cf80Smarks (void *)(uintptr_t)zc->zc_share.z_sharedata, 2692ecd6cf80Smarks zc->zc_share.z_sharemax); 2693ecd6cf80Smarks 2694ecd6cf80Smarks return (error); 2695ecd6cf80Smarks 2696ecd6cf80Smarks } 2697ecd6cf80Smarks 2698ecd6cf80Smarks /* 26992a6b87f0Sek * pool create, destroy, and export don't log the history as part of 27002a6b87f0Sek * zfsdev_ioctl, but rather zfs_ioc_pool_create, and zfs_ioc_pool_export 27012a6b87f0Sek * do the logging of those commands. 2702ecd6cf80Smarks */ 2703fa9e4066Sahrens static zfs_ioc_vec_t zfs_ioc_vec[] = { 2704228975ccSek { zfs_ioc_pool_create, zfs_secpolicy_config, POOL_NAME, B_FALSE }, 2705e7437265Sahrens { zfs_ioc_pool_destroy, zfs_secpolicy_config, POOL_NAME, B_FALSE }, 2706e7437265Sahrens { zfs_ioc_pool_import, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2707e7437265Sahrens { zfs_ioc_pool_export, zfs_secpolicy_config, POOL_NAME, B_FALSE }, 2708e7437265Sahrens { zfs_ioc_pool_configs, zfs_secpolicy_none, NO_NAME, B_FALSE }, 2709e7437265Sahrens { zfs_ioc_pool_stats, zfs_secpolicy_read, POOL_NAME, B_FALSE }, 2710e7437265Sahrens { zfs_ioc_pool_tryimport, zfs_secpolicy_config, NO_NAME, B_FALSE }, 2711e7437265Sahrens { zfs_ioc_pool_scrub, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2712e7437265Sahrens { zfs_ioc_pool_freeze, zfs_secpolicy_config, NO_NAME, B_FALSE }, 2713e7437265Sahrens { zfs_ioc_pool_upgrade, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2714e7437265Sahrens { zfs_ioc_pool_get_history, zfs_secpolicy_config, POOL_NAME, B_FALSE }, 2715e7437265Sahrens { zfs_ioc_vdev_add, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2716e7437265Sahrens { zfs_ioc_vdev_remove, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2717e7437265Sahrens { zfs_ioc_vdev_set_state, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2718e7437265Sahrens { zfs_ioc_vdev_attach, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2719e7437265Sahrens { zfs_ioc_vdev_detach, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2720e7437265Sahrens { zfs_ioc_vdev_setpath, zfs_secpolicy_config, POOL_NAME, B_FALSE }, 2721e7437265Sahrens { zfs_ioc_objset_stats, zfs_secpolicy_read, DATASET_NAME, B_FALSE }, 2722bd00f61bSrm { zfs_ioc_objset_version, zfs_secpolicy_read, DATASET_NAME, B_FALSE }, 2723ecd6cf80Smarks { zfs_ioc_dataset_list_next, zfs_secpolicy_read, 2724e7437265Sahrens DATASET_NAME, B_FALSE }, 2725ecd6cf80Smarks { zfs_ioc_snapshot_list_next, zfs_secpolicy_read, 2726e7437265Sahrens DATASET_NAME, B_FALSE }, 2727e7437265Sahrens { zfs_ioc_set_prop, zfs_secpolicy_none, DATASET_NAME, B_TRUE }, 2728e7437265Sahrens { zfs_ioc_create_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE }, 2729e7437265Sahrens { zfs_ioc_remove_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE }, 2730e7437265Sahrens { zfs_ioc_create, zfs_secpolicy_create, DATASET_NAME, B_TRUE }, 2731e7437265Sahrens { zfs_ioc_destroy, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE }, 2732e7437265Sahrens { zfs_ioc_rollback, zfs_secpolicy_rollback, DATASET_NAME, B_TRUE }, 2733e7437265Sahrens { zfs_ioc_rename, zfs_secpolicy_rename, DATASET_NAME, B_TRUE }, 27343cb34c60Sahrens { zfs_ioc_recv, zfs_secpolicy_receive, DATASET_NAME, B_TRUE }, 27353cb34c60Sahrens { zfs_ioc_send, zfs_secpolicy_send, DATASET_NAME, B_TRUE }, 2736e7437265Sahrens { zfs_ioc_inject_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE }, 2737e7437265Sahrens { zfs_ioc_clear_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE }, 2738e7437265Sahrens { zfs_ioc_inject_list_next, zfs_secpolicy_inject, NO_NAME, B_FALSE }, 2739e7437265Sahrens { zfs_ioc_error_log, zfs_secpolicy_inject, POOL_NAME, B_FALSE }, 2740e7437265Sahrens { zfs_ioc_clear, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2741e7437265Sahrens { zfs_ioc_promote, zfs_secpolicy_promote, DATASET_NAME, B_TRUE }, 2742e7437265Sahrens { zfs_ioc_destroy_snaps, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE }, 2743e7437265Sahrens { zfs_ioc_snapshot, zfs_secpolicy_snapshot, DATASET_NAME, B_TRUE }, 2744e7437265Sahrens { zfs_ioc_dsobj_to_dsname, zfs_secpolicy_config, POOL_NAME, B_FALSE }, 2745e7437265Sahrens { zfs_ioc_obj_to_path, zfs_secpolicy_config, NO_NAME, B_FALSE }, 2746e7437265Sahrens { zfs_ioc_pool_set_props, zfs_secpolicy_config, POOL_NAME, B_TRUE }, 2747e7437265Sahrens { zfs_ioc_pool_get_props, zfs_secpolicy_read, POOL_NAME, B_FALSE }, 2748e7437265Sahrens { zfs_ioc_set_fsacl, zfs_secpolicy_fsacl, DATASET_NAME, B_TRUE }, 2749e7437265Sahrens { zfs_ioc_get_fsacl, zfs_secpolicy_read, DATASET_NAME, B_FALSE }, 2750ecd6cf80Smarks { zfs_ioc_iscsi_perm_check, zfs_secpolicy_iscsi, 2751e7437265Sahrens DATASET_NAME, B_FALSE }, 2752e45ce728Sahrens { zfs_ioc_share, zfs_secpolicy_share, DATASET_NAME, B_FALSE }, 2753e45ce728Sahrens { zfs_ioc_inherit_prop, zfs_secpolicy_inherit, DATASET_NAME, B_TRUE }, 2754fa9e4066Sahrens }; 2755fa9e4066Sahrens 2756fa9e4066Sahrens static int 2757fa9e4066Sahrens zfsdev_ioctl(dev_t dev, int cmd, intptr_t arg, int flag, cred_t *cr, int *rvalp) 2758fa9e4066Sahrens { 2759fa9e4066Sahrens zfs_cmd_t *zc; 2760fa9e4066Sahrens uint_t vec; 27611d452cf5Sahrens int error, rc; 2762fa9e4066Sahrens 2763fa9e4066Sahrens if (getminor(dev) != 0) 2764fa9e4066Sahrens return (zvol_ioctl(dev, cmd, arg, flag, cr, rvalp)); 2765fa9e4066Sahrens 2766fa9e4066Sahrens vec = cmd - ZFS_IOC; 276791ebeef5Sahrens ASSERT3U(getmajor(dev), ==, ddi_driver_major(zfs_dip)); 2768fa9e4066Sahrens 2769fa9e4066Sahrens if (vec >= sizeof (zfs_ioc_vec) / sizeof (zfs_ioc_vec[0])) 2770fa9e4066Sahrens return (EINVAL); 2771fa9e4066Sahrens 2772fa9e4066Sahrens zc = kmem_zalloc(sizeof (zfs_cmd_t), KM_SLEEP); 2773fa9e4066Sahrens 2774fa9e4066Sahrens error = xcopyin((void *)arg, zc, sizeof (zfs_cmd_t)); 2775fa9e4066Sahrens 277691ebeef5Sahrens if (error == 0) 2777ecd6cf80Smarks error = zfs_ioc_vec[vec].zvec_secpolicy(zc, cr); 2778fa9e4066Sahrens 2779fa9e4066Sahrens /* 2780fa9e4066Sahrens * Ensure that all pool/dataset names are valid before we pass down to 2781fa9e4066Sahrens * the lower layers. 2782fa9e4066Sahrens */ 2783fa9e4066Sahrens if (error == 0) { 2784fa9e4066Sahrens zc->zc_name[sizeof (zc->zc_name) - 1] = '\0'; 2785fa9e4066Sahrens switch (zfs_ioc_vec[vec].zvec_namecheck) { 2786e7437265Sahrens case POOL_NAME: 2787fa9e4066Sahrens if (pool_namecheck(zc->zc_name, NULL, NULL) != 0) 2788fa9e4066Sahrens error = EINVAL; 2789fa9e4066Sahrens break; 2790fa9e4066Sahrens 2791e7437265Sahrens case DATASET_NAME: 2792fa9e4066Sahrens if (dataset_namecheck(zc->zc_name, NULL, NULL) != 0) 2793fa9e4066Sahrens error = EINVAL; 2794fa9e4066Sahrens break; 27955ad82045Snd 2796e7437265Sahrens case NO_NAME: 27975ad82045Snd break; 2798fa9e4066Sahrens } 2799fa9e4066Sahrens } 2800fa9e4066Sahrens 2801fa9e4066Sahrens if (error == 0) 2802fa9e4066Sahrens error = zfs_ioc_vec[vec].zvec_func(zc); 2803fa9e4066Sahrens 28041d452cf5Sahrens rc = xcopyout(zc, (void *)arg, sizeof (zfs_cmd_t)); 2805ecd6cf80Smarks if (error == 0) { 28061d452cf5Sahrens error = rc; 2807ecd6cf80Smarks if (zfs_ioc_vec[vec].zvec_his_log == B_TRUE) 2808ecd6cf80Smarks zfs_log_history(zc); 2809ecd6cf80Smarks } 2810fa9e4066Sahrens 2811fa9e4066Sahrens kmem_free(zc, sizeof (zfs_cmd_t)); 2812fa9e4066Sahrens return (error); 2813fa9e4066Sahrens } 2814fa9e4066Sahrens 2815fa9e4066Sahrens static int 2816fa9e4066Sahrens zfs_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 2817fa9e4066Sahrens { 2818fa9e4066Sahrens if (cmd != DDI_ATTACH) 2819fa9e4066Sahrens return (DDI_FAILURE); 2820fa9e4066Sahrens 2821fa9e4066Sahrens if (ddi_create_minor_node(dip, "zfs", S_IFCHR, 0, 2822fa9e4066Sahrens DDI_PSEUDO, 0) == DDI_FAILURE) 2823fa9e4066Sahrens return (DDI_FAILURE); 2824fa9e4066Sahrens 2825fa9e4066Sahrens zfs_dip = dip; 2826fa9e4066Sahrens 2827fa9e4066Sahrens ddi_report_dev(dip); 2828fa9e4066Sahrens 2829fa9e4066Sahrens return (DDI_SUCCESS); 2830fa9e4066Sahrens } 2831fa9e4066Sahrens 2832fa9e4066Sahrens static int 2833fa9e4066Sahrens zfs_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 2834fa9e4066Sahrens { 2835fa9e4066Sahrens if (spa_busy() || zfs_busy() || zvol_busy()) 2836fa9e4066Sahrens return (DDI_FAILURE); 2837fa9e4066Sahrens 2838fa9e4066Sahrens if (cmd != DDI_DETACH) 2839fa9e4066Sahrens return (DDI_FAILURE); 2840fa9e4066Sahrens 2841fa9e4066Sahrens zfs_dip = NULL; 2842fa9e4066Sahrens 2843fa9e4066Sahrens ddi_prop_remove_all(dip); 2844fa9e4066Sahrens ddi_remove_minor_node(dip, NULL); 2845fa9e4066Sahrens 2846fa9e4066Sahrens return (DDI_SUCCESS); 2847fa9e4066Sahrens } 2848fa9e4066Sahrens 2849fa9e4066Sahrens /*ARGSUSED*/ 2850fa9e4066Sahrens static int 2851fa9e4066Sahrens zfs_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) 2852fa9e4066Sahrens { 2853fa9e4066Sahrens switch (infocmd) { 2854fa9e4066Sahrens case DDI_INFO_DEVT2DEVINFO: 2855fa9e4066Sahrens *result = zfs_dip; 2856fa9e4066Sahrens return (DDI_SUCCESS); 2857fa9e4066Sahrens 2858fa9e4066Sahrens case DDI_INFO_DEVT2INSTANCE: 2859a0965f35Sbonwick *result = (void *)0; 2860fa9e4066Sahrens return (DDI_SUCCESS); 2861fa9e4066Sahrens } 2862fa9e4066Sahrens 2863fa9e4066Sahrens return (DDI_FAILURE); 2864fa9e4066Sahrens } 2865fa9e4066Sahrens 2866fa9e4066Sahrens /* 2867fa9e4066Sahrens * OK, so this is a little weird. 2868fa9e4066Sahrens * 2869fa9e4066Sahrens * /dev/zfs is the control node, i.e. minor 0. 2870fa9e4066Sahrens * /dev/zvol/[r]dsk/pool/dataset are the zvols, minor > 0. 2871fa9e4066Sahrens * 2872fa9e4066Sahrens * /dev/zfs has basically nothing to do except serve up ioctls, 2873fa9e4066Sahrens * so most of the standard driver entry points are in zvol.c. 2874fa9e4066Sahrens */ 2875fa9e4066Sahrens static struct cb_ops zfs_cb_ops = { 2876fa9e4066Sahrens zvol_open, /* open */ 2877fa9e4066Sahrens zvol_close, /* close */ 2878fa9e4066Sahrens zvol_strategy, /* strategy */ 2879fa9e4066Sahrens nodev, /* print */ 2880fa9e4066Sahrens nodev, /* dump */ 2881fa9e4066Sahrens zvol_read, /* read */ 2882fa9e4066Sahrens zvol_write, /* write */ 2883fa9e4066Sahrens zfsdev_ioctl, /* ioctl */ 2884fa9e4066Sahrens nodev, /* devmap */ 2885fa9e4066Sahrens nodev, /* mmap */ 2886fa9e4066Sahrens nodev, /* segmap */ 2887fa9e4066Sahrens nochpoll, /* poll */ 2888fa9e4066Sahrens ddi_prop_op, /* prop_op */ 2889fa9e4066Sahrens NULL, /* streamtab */ 2890fa9e4066Sahrens D_NEW | D_MP | D_64BIT, /* Driver compatibility flag */ 2891fa9e4066Sahrens CB_REV, /* version */ 2892feb08c6bSbillm nodev, /* async read */ 2893feb08c6bSbillm nodev, /* async write */ 2894fa9e4066Sahrens }; 2895fa9e4066Sahrens 2896fa9e4066Sahrens static struct dev_ops zfs_dev_ops = { 2897fa9e4066Sahrens DEVO_REV, /* version */ 2898fa9e4066Sahrens 0, /* refcnt */ 2899fa9e4066Sahrens zfs_info, /* info */ 2900fa9e4066Sahrens nulldev, /* identify */ 2901fa9e4066Sahrens nulldev, /* probe */ 2902fa9e4066Sahrens zfs_attach, /* attach */ 2903fa9e4066Sahrens zfs_detach, /* detach */ 2904fa9e4066Sahrens nodev, /* reset */ 2905fa9e4066Sahrens &zfs_cb_ops, /* driver operations */ 2906fa9e4066Sahrens NULL /* no bus operations */ 2907fa9e4066Sahrens }; 2908fa9e4066Sahrens 2909fa9e4066Sahrens static struct modldrv zfs_modldrv = { 2910e7437265Sahrens &mod_driverops, "ZFS storage pool version " SPA_VERSION_STRING, 2911e9dbad6fSeschrock &zfs_dev_ops 2912fa9e4066Sahrens }; 2913fa9e4066Sahrens 2914fa9e4066Sahrens static struct modlinkage modlinkage = { 2915fa9e4066Sahrens MODREV_1, 2916fa9e4066Sahrens (void *)&zfs_modlfs, 2917fa9e4066Sahrens (void *)&zfs_modldrv, 2918fa9e4066Sahrens NULL 2919fa9e4066Sahrens }; 2920fa9e4066Sahrens 2921ec533521Sfr 2922ec533521Sfr uint_t zfs_fsyncer_key; 2923f18faf3fSek extern uint_t rrw_tsd_key; 2924ec533521Sfr 2925fa9e4066Sahrens int 2926fa9e4066Sahrens _init(void) 2927fa9e4066Sahrens { 2928fa9e4066Sahrens int error; 2929fa9e4066Sahrens 2930a0965f35Sbonwick spa_init(FREAD | FWRITE); 2931a0965f35Sbonwick zfs_init(); 2932a0965f35Sbonwick zvol_init(); 2933a0965f35Sbonwick 2934a0965f35Sbonwick if ((error = mod_install(&modlinkage)) != 0) { 2935a0965f35Sbonwick zvol_fini(); 2936a0965f35Sbonwick zfs_fini(); 2937a0965f35Sbonwick spa_fini(); 2938fa9e4066Sahrens return (error); 2939a0965f35Sbonwick } 2940fa9e4066Sahrens 2941ec533521Sfr tsd_create(&zfs_fsyncer_key, NULL); 2942f18faf3fSek tsd_create(&rrw_tsd_key, NULL); 2943ec533521Sfr 2944fa9e4066Sahrens error = ldi_ident_from_mod(&modlinkage, &zfs_li); 2945fa9e4066Sahrens ASSERT(error == 0); 2946ecd6cf80Smarks mutex_init(&zfs_share_lock, NULL, MUTEX_DEFAULT, NULL); 2947fa9e4066Sahrens 2948fa9e4066Sahrens return (0); 2949fa9e4066Sahrens } 2950fa9e4066Sahrens 2951fa9e4066Sahrens int 2952fa9e4066Sahrens _fini(void) 2953fa9e4066Sahrens { 2954fa9e4066Sahrens int error; 2955fa9e4066Sahrens 2956ea8dc4b6Seschrock if (spa_busy() || zfs_busy() || zvol_busy() || zio_injection_enabled) 2957fa9e4066Sahrens return (EBUSY); 2958fa9e4066Sahrens 2959fa9e4066Sahrens if ((error = mod_remove(&modlinkage)) != 0) 2960fa9e4066Sahrens return (error); 2961fa9e4066Sahrens 2962fa9e4066Sahrens zvol_fini(); 2963fa9e4066Sahrens zfs_fini(); 2964fa9e4066Sahrens spa_fini(); 2965da6c28aaSamw if (zfs_nfsshare_inited) 2966ecd6cf80Smarks (void) ddi_modclose(nfs_mod); 2967da6c28aaSamw if (zfs_smbshare_inited) 2968da6c28aaSamw (void) ddi_modclose(smbsrv_mod); 2969da6c28aaSamw if (zfs_nfsshare_inited || zfs_smbshare_inited) 2970ecd6cf80Smarks (void) ddi_modclose(sharefs_mod); 2971fa9e4066Sahrens 2972ec533521Sfr tsd_destroy(&zfs_fsyncer_key); 2973fa9e4066Sahrens ldi_ident_release(zfs_li); 2974fa9e4066Sahrens zfs_li = NULL; 2975ecd6cf80Smarks mutex_destroy(&zfs_share_lock); 2976fa9e4066Sahrens 2977fa9e4066Sahrens return (error); 2978fa9e4066Sahrens } 2979fa9e4066Sahrens 2980fa9e4066Sahrens int 2981fa9e4066Sahrens _info(struct modinfo *modinfop) 2982fa9e4066Sahrens { 2983fa9e4066Sahrens return (mod_info(&modlinkage, modinfop)); 2984fa9e4066Sahrens } 2985