1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6ea8dc4b6Seschrock * 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 */ 21ad135b5dSChristopher Siden 22fa9e4066Sahrens /* 233f9d6ad7SLin Ling * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24*e0f1c0afSOlaf Faaland * Copyright 2019 Joyent, Inc. 2586714001SSerapheim Dimitropoulos * Copyright (c) 2011, 2017 by Delphix. All rights reserved. 2688f61deeSIgor Kozhukhov * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com> 271702cce7SAlek Pinchuk * Copyright (c) 2017 Datto Inc. 28fa9e4066Sahrens */ 29fa9e4066Sahrens 30fa9e4066Sahrens /* 31fa9e4066Sahrens * Internal utility routines for the ZFS library. 32fa9e4066Sahrens */ 33fa9e4066Sahrens 34fa9e4066Sahrens #include <errno.h> 35fa9e4066Sahrens #include <fcntl.h> 36fa9e4066Sahrens #include <libintl.h> 37fa9e4066Sahrens #include <stdarg.h> 38fa9e4066Sahrens #include <stdio.h> 39fa9e4066Sahrens #include <stdlib.h> 40fa9e4066Sahrens #include <strings.h> 41fa9e4066Sahrens #include <unistd.h> 42990b4856Slling #include <ctype.h> 43990b4856Slling #include <math.h> 442bcf0248SMax Grossman #include <sys/filio.h> 45fa9e4066Sahrens #include <sys/mnttab.h> 465aba80dbSck #include <sys/mntent.h> 475aba80dbSck #include <sys/types.h> 480a055120SJason King #include <libcmdutils.h> 49fa9e4066Sahrens 50fa9e4066Sahrens #include <libzfs.h> 514445fffbSMatthew Ahrens #include <libzfs_core.h> 52fa9e4066Sahrens 53fa9e4066Sahrens #include "libzfs_impl.h" 5491ebeef5Sahrens #include "zfs_prop.h" 55*e0f1c0afSOlaf Faaland #include "zfs_comutil.h" 56ad135b5dSChristopher Siden #include "zfeature_common.h" 57fa9e4066Sahrens 5899653d4eSeschrock int 5999653d4eSeschrock libzfs_errno(libzfs_handle_t *hdl) 6099653d4eSeschrock { 6199653d4eSeschrock return (hdl->libzfs_error); 6299653d4eSeschrock } 63fa9e4066Sahrens 6499653d4eSeschrock const char * 6599653d4eSeschrock libzfs_error_action(libzfs_handle_t *hdl) 6699653d4eSeschrock { 6799653d4eSeschrock return (hdl->libzfs_action); 6899653d4eSeschrock } 69fa9e4066Sahrens 7099653d4eSeschrock const char * 7199653d4eSeschrock libzfs_error_description(libzfs_handle_t *hdl) 7299653d4eSeschrock { 7399653d4eSeschrock if (hdl->libzfs_desc[0] != '\0') 7499653d4eSeschrock return (hdl->libzfs_desc); 7599653d4eSeschrock 7699653d4eSeschrock switch (hdl->libzfs_error) { 7799653d4eSeschrock case EZFS_NOMEM: 7899653d4eSeschrock return (dgettext(TEXT_DOMAIN, "out of memory")); 7999653d4eSeschrock case EZFS_BADPROP: 8099653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid property value")); 8199653d4eSeschrock case EZFS_PROPREADONLY: 82f9af39baSGeorge Wilson return (dgettext(TEXT_DOMAIN, "read-only property")); 8399653d4eSeschrock case EZFS_PROPTYPE: 8499653d4eSeschrock return (dgettext(TEXT_DOMAIN, "property doesn't apply to " 8599653d4eSeschrock "datasets of this type")); 8699653d4eSeschrock case EZFS_PROPNONINHERIT: 8799653d4eSeschrock return (dgettext(TEXT_DOMAIN, "property cannot be inherited")); 8899653d4eSeschrock case EZFS_PROPSPACE: 8999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid quota or reservation")); 9099653d4eSeschrock case EZFS_BADTYPE: 9199653d4eSeschrock return (dgettext(TEXT_DOMAIN, "operation not applicable to " 9299653d4eSeschrock "datasets of this type")); 9399653d4eSeschrock case EZFS_BUSY: 9499653d4eSeschrock return (dgettext(TEXT_DOMAIN, "pool or dataset is busy")); 9599653d4eSeschrock case EZFS_EXISTS: 9699653d4eSeschrock return (dgettext(TEXT_DOMAIN, "pool or dataset exists")); 9799653d4eSeschrock case EZFS_NOENT: 9899653d4eSeschrock return (dgettext(TEXT_DOMAIN, "no such pool or dataset")); 9999653d4eSeschrock case EZFS_BADSTREAM: 10099653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid backup stream")); 10199653d4eSeschrock case EZFS_DSREADONLY: 102f9af39baSGeorge Wilson return (dgettext(TEXT_DOMAIN, "dataset is read-only")); 10399653d4eSeschrock case EZFS_VOLTOOBIG: 10499653d4eSeschrock return (dgettext(TEXT_DOMAIN, "volume size exceeds limit for " 10599653d4eSeschrock "this system")); 10699653d4eSeschrock case EZFS_INVALIDNAME: 10799653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid name")); 10899653d4eSeschrock case EZFS_BADRESTORE: 10999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "unable to restore to " 11099653d4eSeschrock "destination")); 11199653d4eSeschrock case EZFS_BADBACKUP: 11299653d4eSeschrock return (dgettext(TEXT_DOMAIN, "backup failed")); 11399653d4eSeschrock case EZFS_BADTARGET: 11499653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid target vdev")); 11599653d4eSeschrock case EZFS_NODEVICE: 11699653d4eSeschrock return (dgettext(TEXT_DOMAIN, "no such device in pool")); 11799653d4eSeschrock case EZFS_BADDEV: 11899653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid device")); 11999653d4eSeschrock case EZFS_NOREPLICAS: 12099653d4eSeschrock return (dgettext(TEXT_DOMAIN, "no valid replicas")); 12199653d4eSeschrock case EZFS_RESILVERING: 12299653d4eSeschrock return (dgettext(TEXT_DOMAIN, "currently resilvering")); 12399653d4eSeschrock case EZFS_BADVERSION: 124ad135b5dSChristopher Siden return (dgettext(TEXT_DOMAIN, "unsupported version or " 125ad135b5dSChristopher Siden "feature")); 12699653d4eSeschrock case EZFS_POOLUNAVAIL: 12799653d4eSeschrock return (dgettext(TEXT_DOMAIN, "pool is unavailable")); 12899653d4eSeschrock case EZFS_DEVOVERFLOW: 12999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "too many devices in one vdev")); 13099653d4eSeschrock case EZFS_BADPATH: 13199653d4eSeschrock return (dgettext(TEXT_DOMAIN, "must be an absolute path")); 13299653d4eSeschrock case EZFS_CROSSTARGET: 13399653d4eSeschrock return (dgettext(TEXT_DOMAIN, "operation crosses datasets or " 13499653d4eSeschrock "pools")); 13599653d4eSeschrock case EZFS_ZONED: 13699653d4eSeschrock return (dgettext(TEXT_DOMAIN, "dataset in use by local zone")); 13799653d4eSeschrock case EZFS_MOUNTFAILED: 13899653d4eSeschrock return (dgettext(TEXT_DOMAIN, "mount failed")); 13999653d4eSeschrock case EZFS_UMOUNTFAILED: 14099653d4eSeschrock return (dgettext(TEXT_DOMAIN, "umount failed")); 141f3861e1aSahl case EZFS_UNSHARENFSFAILED: 14299653d4eSeschrock return (dgettext(TEXT_DOMAIN, "unshare(1M) failed")); 143f3861e1aSahl case EZFS_SHARENFSFAILED: 14499653d4eSeschrock return (dgettext(TEXT_DOMAIN, "share(1M) failed")); 145da6c28aaSamw case EZFS_UNSHARESMBFAILED: 146da6c28aaSamw return (dgettext(TEXT_DOMAIN, "smb remove share failed")); 147da6c28aaSamw case EZFS_SHARESMBFAILED: 148da6c28aaSamw return (dgettext(TEXT_DOMAIN, "smb add share failed")); 14999653d4eSeschrock case EZFS_PERM: 15099653d4eSeschrock return (dgettext(TEXT_DOMAIN, "permission denied")); 15199653d4eSeschrock case EZFS_NOSPC: 15299653d4eSeschrock return (dgettext(TEXT_DOMAIN, "out of space")); 1536e27f868SSam Falkner case EZFS_FAULT: 1546e27f868SSam Falkner return (dgettext(TEXT_DOMAIN, "bad address")); 15599653d4eSeschrock case EZFS_IO: 15699653d4eSeschrock return (dgettext(TEXT_DOMAIN, "I/O error")); 15799653d4eSeschrock case EZFS_INTR: 15899653d4eSeschrock return (dgettext(TEXT_DOMAIN, "signal received")); 15999653d4eSeschrock case EZFS_ISSPARE: 16099653d4eSeschrock return (dgettext(TEXT_DOMAIN, "device is reserved as a hot " 16199653d4eSeschrock "spare")); 16299653d4eSeschrock case EZFS_INVALCONFIG: 16399653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid vdev configuration")); 1643bb79becSeschrock case EZFS_RECURSIVE: 1653bb79becSeschrock return (dgettext(TEXT_DOMAIN, "recursive dataset dependency")); 16606eeb2adSek case EZFS_NOHISTORY: 16706eeb2adSek return (dgettext(TEXT_DOMAIN, "no history available")); 168b1b8ab34Slling case EZFS_POOLPROPS: 169b1b8ab34Slling return (dgettext(TEXT_DOMAIN, "failed to retrieve " 170b1b8ab34Slling "pool properties")); 171b1b8ab34Slling case EZFS_POOL_NOTSUP: 172b1b8ab34Slling return (dgettext(TEXT_DOMAIN, "operation not supported " 173b1b8ab34Slling "on this type of pool")); 174b1b8ab34Slling case EZFS_POOL_INVALARG: 175b1b8ab34Slling return (dgettext(TEXT_DOMAIN, "invalid argument for " 176b1b8ab34Slling "this pool operation")); 177b7661cccSmmusante case EZFS_NAMETOOLONG: 178b7661cccSmmusante return (dgettext(TEXT_DOMAIN, "dataset name is too long")); 1798488aeb5Staylor case EZFS_OPENFAILED: 1808488aeb5Staylor return (dgettext(TEXT_DOMAIN, "open failed")); 1818488aeb5Staylor case EZFS_NOCAP: 1828488aeb5Staylor return (dgettext(TEXT_DOMAIN, 1838488aeb5Staylor "disk capacity information could not be retrieved")); 1848488aeb5Staylor case EZFS_LABELFAILED: 1858488aeb5Staylor return (dgettext(TEXT_DOMAIN, "write of label failed")); 186ecd6cf80Smarks case EZFS_BADWHO: 187ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "invalid user/group")); 188ecd6cf80Smarks case EZFS_BADPERM: 189ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "invalid permission")); 190ecd6cf80Smarks case EZFS_BADPERMSET: 191ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "invalid permission set name")); 192ecd6cf80Smarks case EZFS_NODELEGATION: 193ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "delegated administration is " 194ecd6cf80Smarks "disabled on pool")); 1952f8aaab3Seschrock case EZFS_BADCACHE: 1962f8aaab3Seschrock return (dgettext(TEXT_DOMAIN, "invalid or missing cache file")); 197fa94a07fSbrendan case EZFS_ISL2CACHE: 198fa94a07fSbrendan return (dgettext(TEXT_DOMAIN, "device is in use as a cache")); 199e7cbe64fSgw case EZFS_VDEVNOTSUP: 200e7cbe64fSgw return (dgettext(TEXT_DOMAIN, "vdev specification is not " 201e7cbe64fSgw "supported")); 20215e6edf1Sgw case EZFS_NOTSUP: 20315e6edf1Sgw return (dgettext(TEXT_DOMAIN, "operation not supported " 20415e6edf1Sgw "on this dataset")); 20589a89ebfSlling case EZFS_ACTIVE_SPARE: 20689a89ebfSlling return (dgettext(TEXT_DOMAIN, "pool has active shared spare " 20789a89ebfSlling "device")); 208e6ca193dSGeorge Wilson case EZFS_UNPLAYED_LOGS: 209e6ca193dSGeorge Wilson return (dgettext(TEXT_DOMAIN, "log device has unplayed intent " 210e6ca193dSGeorge Wilson "logs")); 211842727c2SChris Kirby case EZFS_REFTAG_RELE: 212842727c2SChris Kirby return (dgettext(TEXT_DOMAIN, "no such tag on this dataset")); 213842727c2SChris Kirby case EZFS_REFTAG_HOLD: 214842727c2SChris Kirby return (dgettext(TEXT_DOMAIN, "tag already exists on this " 215842727c2SChris Kirby "dataset")); 216ca45db41SChris Kirby case EZFS_TAGTOOLONG: 217ca45db41SChris Kirby return (dgettext(TEXT_DOMAIN, "tag too long")); 2189e69d7d0SLori Alt case EZFS_PIPEFAILED: 2199e69d7d0SLori Alt return (dgettext(TEXT_DOMAIN, "pipe create failed")); 2209e69d7d0SLori Alt case EZFS_THREADCREATEFAILED: 2219e69d7d0SLori Alt return (dgettext(TEXT_DOMAIN, "thread create failed")); 2221195e687SMark J Musante case EZFS_POSTSPLIT_ONLINE: 2231195e687SMark J Musante return (dgettext(TEXT_DOMAIN, "disk was split from this pool " 2241195e687SMark J Musante "into a new one")); 2251702cce7SAlek Pinchuk case EZFS_SCRUB_PAUSED: 2261702cce7SAlek Pinchuk return (dgettext(TEXT_DOMAIN, "scrub is paused; " 2271702cce7SAlek Pinchuk "use 'zpool scrub' to resume")); 2283f9d6ad7SLin Ling case EZFS_SCRUBBING: 2293f9d6ad7SLin Ling return (dgettext(TEXT_DOMAIN, "currently scrubbing; " 2303f9d6ad7SLin Ling "use 'zpool scrub -s' to cancel current scrub")); 2313f9d6ad7SLin Ling case EZFS_NO_SCRUB: 2323f9d6ad7SLin Ling return (dgettext(TEXT_DOMAIN, "there is no active scrub")); 23399d5e173STim Haley case EZFS_DIFF: 23499d5e173STim Haley return (dgettext(TEXT_DOMAIN, "unable to generate diffs")); 23599d5e173STim Haley case EZFS_DIFFDATA: 23699d5e173STim Haley return (dgettext(TEXT_DOMAIN, "invalid diff data")); 237f9af39baSGeorge Wilson case EZFS_POOLREADONLY: 238f9af39baSGeorge Wilson return (dgettext(TEXT_DOMAIN, "pool is read-only")); 2395cabbc6bSPrashanth Sreenivasa case EZFS_NO_PENDING: 2405cabbc6bSPrashanth Sreenivasa return (dgettext(TEXT_DOMAIN, "operation is not " 2415cabbc6bSPrashanth Sreenivasa "in progress")); 24286714001SSerapheim Dimitropoulos case EZFS_CHECKPOINT_EXISTS: 24386714001SSerapheim Dimitropoulos return (dgettext(TEXT_DOMAIN, "checkpoint exists")); 24486714001SSerapheim Dimitropoulos case EZFS_DISCARDING_CHECKPOINT: 24586714001SSerapheim Dimitropoulos return (dgettext(TEXT_DOMAIN, "currently discarding " 24686714001SSerapheim Dimitropoulos "checkpoint")); 24786714001SSerapheim Dimitropoulos case EZFS_NO_CHECKPOINT: 24886714001SSerapheim Dimitropoulos return (dgettext(TEXT_DOMAIN, "checkpoint does not exist")); 24986714001SSerapheim Dimitropoulos case EZFS_DEVRM_IN_PROGRESS: 25086714001SSerapheim Dimitropoulos return (dgettext(TEXT_DOMAIN, "device removal in progress")); 25186714001SSerapheim Dimitropoulos case EZFS_VDEV_TOO_BIG: 25286714001SSerapheim Dimitropoulos return (dgettext(TEXT_DOMAIN, "device exceeds supported size")); 253*e0f1c0afSOlaf Faaland case EZFS_ACTIVE_POOL: 254*e0f1c0afSOlaf Faaland return (dgettext(TEXT_DOMAIN, "pool is imported on a " 255*e0f1c0afSOlaf Faaland "different host")); 256094e47e9SGeorge Wilson case EZFS_TOOMANY: 257094e47e9SGeorge Wilson return (dgettext(TEXT_DOMAIN, "argument list too long")); 258094e47e9SGeorge Wilson case EZFS_INITIALIZING: 259094e47e9SGeorge Wilson return (dgettext(TEXT_DOMAIN, "currently initializing")); 260094e47e9SGeorge Wilson case EZFS_NO_INITIALIZE: 261094e47e9SGeorge Wilson return (dgettext(TEXT_DOMAIN, "there is no active " 262094e47e9SGeorge Wilson "initialization")); 26399653d4eSeschrock case EZFS_UNKNOWN: 26499653d4eSeschrock return (dgettext(TEXT_DOMAIN, "unknown error")); 26599653d4eSeschrock default: 266c08432ebSeschrock assert(hdl->libzfs_error == 0); 267c08432ebSeschrock return (dgettext(TEXT_DOMAIN, "no error")); 26899653d4eSeschrock } 26999653d4eSeschrock } 27099653d4eSeschrock 27199653d4eSeschrock /*PRINTFLIKE2*/ 272fa9e4066Sahrens void 27399653d4eSeschrock zfs_error_aux(libzfs_handle_t *hdl, const char *fmt, ...) 274fa9e4066Sahrens { 275fa9e4066Sahrens va_list ap; 276fa9e4066Sahrens 277fa9e4066Sahrens va_start(ap, fmt); 278fa9e4066Sahrens 27999653d4eSeschrock (void) vsnprintf(hdl->libzfs_desc, sizeof (hdl->libzfs_desc), 28099653d4eSeschrock fmt, ap); 28199653d4eSeschrock hdl->libzfs_desc_active = 1; 28299653d4eSeschrock 28399653d4eSeschrock va_end(ap); 28499653d4eSeschrock } 28599653d4eSeschrock 28699653d4eSeschrock static void 28799653d4eSeschrock zfs_verror(libzfs_handle_t *hdl, int error, const char *fmt, va_list ap) 28899653d4eSeschrock { 28999653d4eSeschrock (void) vsnprintf(hdl->libzfs_action, sizeof (hdl->libzfs_action), 29099653d4eSeschrock fmt, ap); 29199653d4eSeschrock hdl->libzfs_error = error; 29299653d4eSeschrock 29399653d4eSeschrock if (hdl->libzfs_desc_active) 29499653d4eSeschrock hdl->libzfs_desc_active = 0; 29599653d4eSeschrock else 29699653d4eSeschrock hdl->libzfs_desc[0] = '\0'; 29799653d4eSeschrock 29899653d4eSeschrock if (hdl->libzfs_printerr) { 29999653d4eSeschrock if (error == EZFS_UNKNOWN) { 30099653d4eSeschrock (void) fprintf(stderr, dgettext(TEXT_DOMAIN, "internal " 30199653d4eSeschrock "error: %s\n"), libzfs_error_description(hdl)); 30299653d4eSeschrock abort(); 30399653d4eSeschrock } 30499653d4eSeschrock 30599653d4eSeschrock (void) fprintf(stderr, "%s: %s\n", hdl->libzfs_action, 306b1b8ab34Slling libzfs_error_description(hdl)); 30799653d4eSeschrock if (error == EZFS_NOMEM) 30899653d4eSeschrock exit(1); 309fa9e4066Sahrens } 31099653d4eSeschrock } 31199653d4eSeschrock 312ece3d9b3Slling int 313ece3d9b3Slling zfs_error(libzfs_handle_t *hdl, int error, const char *msg) 314ece3d9b3Slling { 315ece3d9b3Slling return (zfs_error_fmt(hdl, error, "%s", msg)); 316ece3d9b3Slling } 317ece3d9b3Slling 31899653d4eSeschrock /*PRINTFLIKE3*/ 31999653d4eSeschrock int 320ece3d9b3Slling zfs_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) 32199653d4eSeschrock { 32299653d4eSeschrock va_list ap; 32399653d4eSeschrock 32499653d4eSeschrock va_start(ap, fmt); 32599653d4eSeschrock 32699653d4eSeschrock zfs_verror(hdl, error, fmt, ap); 327fa9e4066Sahrens 328fa9e4066Sahrens va_end(ap); 32999653d4eSeschrock 33099653d4eSeschrock return (-1); 331fa9e4066Sahrens } 332fa9e4066Sahrens 33399653d4eSeschrock static int 33499653d4eSeschrock zfs_common_error(libzfs_handle_t *hdl, int error, const char *fmt, 33599653d4eSeschrock va_list ap) 33699653d4eSeschrock { 33799653d4eSeschrock switch (error) { 33899653d4eSeschrock case EPERM: 33999653d4eSeschrock case EACCES: 34099653d4eSeschrock zfs_verror(hdl, EZFS_PERM, fmt, ap); 34199653d4eSeschrock return (-1); 34299653d4eSeschrock 343ecd6cf80Smarks case ECANCELED: 344ecd6cf80Smarks zfs_verror(hdl, EZFS_NODELEGATION, fmt, ap); 345ecd6cf80Smarks return (-1); 346ecd6cf80Smarks 34799653d4eSeschrock case EIO: 34899653d4eSeschrock zfs_verror(hdl, EZFS_IO, fmt, ap); 34999653d4eSeschrock return (-1); 35099653d4eSeschrock 3516e27f868SSam Falkner case EFAULT: 3526e27f868SSam Falkner zfs_verror(hdl, EZFS_FAULT, fmt, ap); 3536e27f868SSam Falkner return (-1); 3546e27f868SSam Falkner 35599653d4eSeschrock case EINTR: 35699653d4eSeschrock zfs_verror(hdl, EZFS_INTR, fmt, ap); 35799653d4eSeschrock return (-1); 35899653d4eSeschrock } 35999653d4eSeschrock 36099653d4eSeschrock return (0); 36199653d4eSeschrock } 36299653d4eSeschrock 363ece3d9b3Slling int 364ece3d9b3Slling zfs_standard_error(libzfs_handle_t *hdl, int error, const char *msg) 365ece3d9b3Slling { 366ece3d9b3Slling return (zfs_standard_error_fmt(hdl, error, "%s", msg)); 367ece3d9b3Slling } 368ece3d9b3Slling 36999653d4eSeschrock /*PRINTFLIKE3*/ 37099653d4eSeschrock int 371ece3d9b3Slling zfs_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) 372fa9e4066Sahrens { 373fa9e4066Sahrens va_list ap; 374fa9e4066Sahrens 375fa9e4066Sahrens va_start(ap, fmt); 376fa9e4066Sahrens 37799653d4eSeschrock if (zfs_common_error(hdl, error, fmt, ap) != 0) { 37899653d4eSeschrock va_end(ap); 37999653d4eSeschrock return (-1); 380fa9e4066Sahrens } 381fa9e4066Sahrens 38299653d4eSeschrock switch (error) { 38399653d4eSeschrock case ENXIO: 38497d9e3a6Sck case ENODEV: 38519b94df9SMatthew Ahrens case EPIPE: 38699653d4eSeschrock zfs_verror(hdl, EZFS_IO, fmt, ap); 38799653d4eSeschrock break; 38899653d4eSeschrock 38999653d4eSeschrock case ENOENT: 39099653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 39199653d4eSeschrock "dataset does not exist")); 39299653d4eSeschrock zfs_verror(hdl, EZFS_NOENT, fmt, ap); 39399653d4eSeschrock break; 39499653d4eSeschrock 39599653d4eSeschrock case ENOSPC: 39699653d4eSeschrock case EDQUOT: 39799653d4eSeschrock zfs_verror(hdl, EZFS_NOSPC, fmt, ap); 39899653d4eSeschrock return (-1); 39999653d4eSeschrock 40099653d4eSeschrock case EEXIST: 40199653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 40299653d4eSeschrock "dataset already exists")); 40399653d4eSeschrock zfs_verror(hdl, EZFS_EXISTS, fmt, ap); 40499653d4eSeschrock break; 40599653d4eSeschrock 40699653d4eSeschrock case EBUSY: 40799653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 40899653d4eSeschrock "dataset is busy")); 40999653d4eSeschrock zfs_verror(hdl, EZFS_BUSY, fmt, ap); 41099653d4eSeschrock break; 411ecd6cf80Smarks case EROFS: 412f9af39baSGeorge Wilson zfs_verror(hdl, EZFS_POOLREADONLY, fmt, ap); 413ecd6cf80Smarks break; 414b7661cccSmmusante case ENAMETOOLONG: 415b7661cccSmmusante zfs_verror(hdl, EZFS_NAMETOOLONG, fmt, ap); 416b7661cccSmmusante break; 41740ff3960Sck case ENOTSUP: 41840ff3960Sck zfs_verror(hdl, EZFS_BADVERSION, fmt, ap); 41940ff3960Sck break; 42054d692b7SGeorge Wilson case EAGAIN: 42154d692b7SGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 42254d692b7SGeorge Wilson "pool I/O is currently suspended")); 42354d692b7SGeorge Wilson zfs_verror(hdl, EZFS_POOLUNAVAIL, fmt, ap); 42454d692b7SGeorge Wilson break; 425*e0f1c0afSOlaf Faaland case EREMOTEIO: 426*e0f1c0afSOlaf Faaland zfs_verror(hdl, EZFS_ACTIVE_POOL, fmt, ap); 427*e0f1c0afSOlaf Faaland break; 42899653d4eSeschrock default: 42992241e0bSTom Erickson zfs_error_aux(hdl, strerror(error)); 43099653d4eSeschrock zfs_verror(hdl, EZFS_UNKNOWN, fmt, ap); 43199653d4eSeschrock break; 43299653d4eSeschrock } 43399653d4eSeschrock 43499653d4eSeschrock va_end(ap); 43599653d4eSeschrock return (-1); 436fa9e4066Sahrens } 437fa9e4066Sahrens 438ece3d9b3Slling int 439ece3d9b3Slling zpool_standard_error(libzfs_handle_t *hdl, int error, const char *msg) 440ece3d9b3Slling { 441ece3d9b3Slling return (zpool_standard_error_fmt(hdl, error, "%s", msg)); 442ece3d9b3Slling } 443ece3d9b3Slling 44499653d4eSeschrock /*PRINTFLIKE3*/ 44599653d4eSeschrock int 446ece3d9b3Slling zpool_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) 447fa9e4066Sahrens { 44899653d4eSeschrock va_list ap; 44999653d4eSeschrock 45099653d4eSeschrock va_start(ap, fmt); 45199653d4eSeschrock 45299653d4eSeschrock if (zfs_common_error(hdl, error, fmt, ap) != 0) { 45399653d4eSeschrock va_end(ap); 45499653d4eSeschrock return (-1); 45599653d4eSeschrock } 45699653d4eSeschrock 45799653d4eSeschrock switch (error) { 45899653d4eSeschrock case ENODEV: 45999653d4eSeschrock zfs_verror(hdl, EZFS_NODEVICE, fmt, ap); 46099653d4eSeschrock break; 46199653d4eSeschrock 46299653d4eSeschrock case ENOENT: 463b1b8ab34Slling zfs_error_aux(hdl, 464b1b8ab34Slling dgettext(TEXT_DOMAIN, "no such pool or dataset")); 46599653d4eSeschrock zfs_verror(hdl, EZFS_NOENT, fmt, ap); 46699653d4eSeschrock break; 46799653d4eSeschrock 46899653d4eSeschrock case EEXIST: 46999653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 47099653d4eSeschrock "pool already exists")); 47199653d4eSeschrock zfs_verror(hdl, EZFS_EXISTS, fmt, ap); 47299653d4eSeschrock break; 47399653d4eSeschrock 47499653d4eSeschrock case EBUSY: 47599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool is busy")); 47643afaaa8SEric Schrock zfs_verror(hdl, EZFS_BUSY, fmt, ap); 47799653d4eSeschrock break; 47899653d4eSeschrock 47999653d4eSeschrock case ENXIO: 48099653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 48199653d4eSeschrock "one or more devices is currently unavailable")); 48299653d4eSeschrock zfs_verror(hdl, EZFS_BADDEV, fmt, ap); 48399653d4eSeschrock break; 48499653d4eSeschrock 48599653d4eSeschrock case ENAMETOOLONG: 48699653d4eSeschrock zfs_verror(hdl, EZFS_DEVOVERFLOW, fmt, ap); 48799653d4eSeschrock break; 48899653d4eSeschrock 489b1b8ab34Slling case ENOTSUP: 490b1b8ab34Slling zfs_verror(hdl, EZFS_POOL_NOTSUP, fmt, ap); 491b1b8ab34Slling break; 492b1b8ab34Slling 493b1b8ab34Slling case EINVAL: 494b1b8ab34Slling zfs_verror(hdl, EZFS_POOL_INVALARG, fmt, ap); 495b1b8ab34Slling break; 496b1b8ab34Slling 497ecd6cf80Smarks case ENOSPC: 498ecd6cf80Smarks case EDQUOT: 499ecd6cf80Smarks zfs_verror(hdl, EZFS_NOSPC, fmt, ap); 500ecd6cf80Smarks return (-1); 501f9af39baSGeorge Wilson 50254d692b7SGeorge Wilson case EAGAIN: 50354d692b7SGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 50454d692b7SGeorge Wilson "pool I/O is currently suspended")); 50554d692b7SGeorge Wilson zfs_verror(hdl, EZFS_POOLUNAVAIL, fmt, ap); 50654d692b7SGeorge Wilson break; 507ecd6cf80Smarks 508f9af39baSGeorge Wilson case EROFS: 509f9af39baSGeorge Wilson zfs_verror(hdl, EZFS_POOLREADONLY, fmt, ap); 510f9af39baSGeorge Wilson break; 5115cabbc6bSPrashanth Sreenivasa /* There is no pending operation to cancel */ 5125cabbc6bSPrashanth Sreenivasa case ENOTACTIVE: 5135cabbc6bSPrashanth Sreenivasa zfs_verror(hdl, EZFS_NO_PENDING, fmt, ap); 5145cabbc6bSPrashanth Sreenivasa break; 515*e0f1c0afSOlaf Faaland case EREMOTEIO: 516*e0f1c0afSOlaf Faaland zfs_verror(hdl, EZFS_ACTIVE_POOL, fmt, ap); 517*e0f1c0afSOlaf Faaland break; 51886714001SSerapheim Dimitropoulos case ZFS_ERR_CHECKPOINT_EXISTS: 51986714001SSerapheim Dimitropoulos zfs_verror(hdl, EZFS_CHECKPOINT_EXISTS, fmt, ap); 52086714001SSerapheim Dimitropoulos break; 52186714001SSerapheim Dimitropoulos case ZFS_ERR_DISCARDING_CHECKPOINT: 52286714001SSerapheim Dimitropoulos zfs_verror(hdl, EZFS_DISCARDING_CHECKPOINT, fmt, ap); 52386714001SSerapheim Dimitropoulos break; 52486714001SSerapheim Dimitropoulos case ZFS_ERR_NO_CHECKPOINT: 52586714001SSerapheim Dimitropoulos zfs_verror(hdl, EZFS_NO_CHECKPOINT, fmt, ap); 52686714001SSerapheim Dimitropoulos break; 52786714001SSerapheim Dimitropoulos case ZFS_ERR_DEVRM_IN_PROGRESS: 52886714001SSerapheim Dimitropoulos zfs_verror(hdl, EZFS_DEVRM_IN_PROGRESS, fmt, ap); 52986714001SSerapheim Dimitropoulos break; 53086714001SSerapheim Dimitropoulos case ZFS_ERR_VDEV_TOO_BIG: 53186714001SSerapheim Dimitropoulos zfs_verror(hdl, EZFS_VDEV_TOO_BIG, fmt, ap); 53286714001SSerapheim Dimitropoulos break; 53399653d4eSeschrock default: 53499653d4eSeschrock zfs_error_aux(hdl, strerror(error)); 53599653d4eSeschrock zfs_verror(hdl, EZFS_UNKNOWN, fmt, ap); 53699653d4eSeschrock } 53799653d4eSeschrock 53899653d4eSeschrock va_end(ap); 53999653d4eSeschrock return (-1); 540fa9e4066Sahrens } 541fa9e4066Sahrens 542fa9e4066Sahrens /* 543fa9e4066Sahrens * Display an out of memory error message and abort the current program. 544fa9e4066Sahrens */ 54599653d4eSeschrock int 54699653d4eSeschrock no_memory(libzfs_handle_t *hdl) 547fa9e4066Sahrens { 54899653d4eSeschrock return (zfs_error(hdl, EZFS_NOMEM, "internal error")); 549fa9e4066Sahrens } 550fa9e4066Sahrens 551fa9e4066Sahrens /* 552fa9e4066Sahrens * A safe form of malloc() which will die if the allocation fails. 553fa9e4066Sahrens */ 554fa9e4066Sahrens void * 55599653d4eSeschrock zfs_alloc(libzfs_handle_t *hdl, size_t size) 556fa9e4066Sahrens { 557fa9e4066Sahrens void *data; 558fa9e4066Sahrens 559fa9e4066Sahrens if ((data = calloc(1, size)) == NULL) 56099653d4eSeschrock (void) no_memory(hdl); 561fa9e4066Sahrens 562fa9e4066Sahrens return (data); 563fa9e4066Sahrens } 564fa9e4066Sahrens 56599d5e173STim Haley /* 56699d5e173STim Haley * A safe form of asprintf() which will die if the allocation fails. 56799d5e173STim Haley */ 56899d5e173STim Haley /*PRINTFLIKE2*/ 56999d5e173STim Haley char * 57099d5e173STim Haley zfs_asprintf(libzfs_handle_t *hdl, const char *fmt, ...) 57199d5e173STim Haley { 57299d5e173STim Haley va_list ap; 57399d5e173STim Haley char *ret; 57499d5e173STim Haley int err; 57599d5e173STim Haley 57699d5e173STim Haley va_start(ap, fmt); 57799d5e173STim Haley 57899d5e173STim Haley err = vasprintf(&ret, fmt, ap); 57999d5e173STim Haley 58099d5e173STim Haley va_end(ap); 58199d5e173STim Haley 58299d5e173STim Haley if (err < 0) 58399d5e173STim Haley (void) no_memory(hdl); 58499d5e173STim Haley 58599d5e173STim Haley return (ret); 58699d5e173STim Haley } 58799d5e173STim Haley 588e9dbad6fSeschrock /* 589e9dbad6fSeschrock * A safe form of realloc(), which also zeroes newly allocated space. 590e9dbad6fSeschrock */ 591e9dbad6fSeschrock void * 592e9dbad6fSeschrock zfs_realloc(libzfs_handle_t *hdl, void *ptr, size_t oldsize, size_t newsize) 593e9dbad6fSeschrock { 594e9dbad6fSeschrock void *ret; 595e9dbad6fSeschrock 596e9dbad6fSeschrock if ((ret = realloc(ptr, newsize)) == NULL) { 597e9dbad6fSeschrock (void) no_memory(hdl); 598e9dbad6fSeschrock return (NULL); 599e9dbad6fSeschrock } 600e9dbad6fSeschrock 601e9dbad6fSeschrock bzero((char *)ret + oldsize, (newsize - oldsize)); 602e9dbad6fSeschrock return (ret); 603e9dbad6fSeschrock } 604e9dbad6fSeschrock 605fa9e4066Sahrens /* 606fa9e4066Sahrens * A safe form of strdup() which will die if the allocation fails. 607fa9e4066Sahrens */ 608fa9e4066Sahrens char * 60999653d4eSeschrock zfs_strdup(libzfs_handle_t *hdl, const char *str) 610fa9e4066Sahrens { 611fa9e4066Sahrens char *ret; 612fa9e4066Sahrens 613fa9e4066Sahrens if ((ret = strdup(str)) == NULL) 61499653d4eSeschrock (void) no_memory(hdl); 615fa9e4066Sahrens 616fa9e4066Sahrens return (ret); 617fa9e4066Sahrens } 618fa9e4066Sahrens 619fa9e4066Sahrens /* 620fa9e4066Sahrens * Convert a number to an appropriately human-readable output. 621fa9e4066Sahrens */ 622fa9e4066Sahrens void 623fa9e4066Sahrens zfs_nicenum(uint64_t num, char *buf, size_t buflen) 624fa9e4066Sahrens { 6250a055120SJason King nicenum(num, buf, buflen); 626fa9e4066Sahrens } 62799653d4eSeschrock 62899653d4eSeschrock void 62999653d4eSeschrock libzfs_print_on_error(libzfs_handle_t *hdl, boolean_t printerr) 63099653d4eSeschrock { 63199653d4eSeschrock hdl->libzfs_printerr = printerr; 63299653d4eSeschrock } 63399653d4eSeschrock 63499653d4eSeschrock libzfs_handle_t * 63599653d4eSeschrock libzfs_init(void) 63699653d4eSeschrock { 63799653d4eSeschrock libzfs_handle_t *hdl; 63899653d4eSeschrock 63999d5e173STim Haley if ((hdl = calloc(1, sizeof (libzfs_handle_t))) == NULL) { 64099653d4eSeschrock return (NULL); 64199653d4eSeschrock } 64299653d4eSeschrock 643c08432ebSeschrock if ((hdl->libzfs_fd = open(ZFS_DEV, O_RDWR)) < 0) { 64499653d4eSeschrock free(hdl); 64599653d4eSeschrock return (NULL); 64699653d4eSeschrock } 64799653d4eSeschrock 648bde3d612SSimon Klinkert if ((hdl->libzfs_mnttab = fopen(MNTTAB, "rF")) == NULL) { 64999653d4eSeschrock (void) close(hdl->libzfs_fd); 65099653d4eSeschrock free(hdl); 65199653d4eSeschrock return (NULL); 65299653d4eSeschrock } 65399653d4eSeschrock 654bde3d612SSimon Klinkert hdl->libzfs_sharetab = fopen("/etc/dfs/sharetab", "rF"); 65599653d4eSeschrock 6564445fffbSMatthew Ahrens if (libzfs_core_init() != 0) { 6574445fffbSMatthew Ahrens (void) close(hdl->libzfs_fd); 6584445fffbSMatthew Ahrens (void) fclose(hdl->libzfs_mnttab); 6594445fffbSMatthew Ahrens (void) fclose(hdl->libzfs_sharetab); 6604445fffbSMatthew Ahrens free(hdl); 6614445fffbSMatthew Ahrens return (NULL); 6624445fffbSMatthew Ahrens } 6634445fffbSMatthew Ahrens 66491ebeef5Sahrens zfs_prop_init(); 665990b4856Slling zpool_prop_init(); 666ad135b5dSChristopher Siden zpool_feature_init(); 667b2634b9cSEric Taylor libzfs_mnttab_init(hdl); 66891ebeef5Sahrens 669dfc11533SChris Williamson if (getenv("ZFS_PROP_DEBUG") != NULL) { 670dfc11533SChris Williamson hdl->libzfs_prop_debug = B_TRUE; 671dfc11533SChris Williamson } 672dfc11533SChris Williamson 67399653d4eSeschrock return (hdl); 67499653d4eSeschrock } 67599653d4eSeschrock 67699653d4eSeschrock void 67799653d4eSeschrock libzfs_fini(libzfs_handle_t *hdl) 67899653d4eSeschrock { 67999653d4eSeschrock (void) close(hdl->libzfs_fd); 68099653d4eSeschrock if (hdl->libzfs_mnttab) 68199653d4eSeschrock (void) fclose(hdl->libzfs_mnttab); 68299653d4eSeschrock if (hdl->libzfs_sharetab) 68399653d4eSeschrock (void) fclose(hdl->libzfs_sharetab); 68467331909Sdougm zfs_uninit_libshare(hdl); 68529ab75c9Srm zpool_free_handles(hdl); 686069f55e2SEric Schrock libzfs_fru_clear(hdl, B_TRUE); 68799653d4eSeschrock namespace_clear(hdl); 688b2634b9cSEric Taylor libzfs_mnttab_fini(hdl); 6894445fffbSMatthew Ahrens libzfs_core_fini(); 69099653d4eSeschrock free(hdl); 69199653d4eSeschrock } 69299653d4eSeschrock 69399653d4eSeschrock libzfs_handle_t * 69499653d4eSeschrock zpool_get_handle(zpool_handle_t *zhp) 69599653d4eSeschrock { 69699653d4eSeschrock return (zhp->zpool_hdl); 69799653d4eSeschrock } 69899653d4eSeschrock 69999653d4eSeschrock libzfs_handle_t * 70099653d4eSeschrock zfs_get_handle(zfs_handle_t *zhp) 70199653d4eSeschrock { 70299653d4eSeschrock return (zhp->zfs_hdl); 70399653d4eSeschrock } 704e9dbad6fSeschrock 705d5b5bb25SRich Morris zpool_handle_t * 706d5b5bb25SRich Morris zfs_get_pool_handle(const zfs_handle_t *zhp) 707d5b5bb25SRich Morris { 708d5b5bb25SRich Morris return (zhp->zpool_hdl); 709d5b5bb25SRich Morris } 710d5b5bb25SRich Morris 7115aba80dbSck /* 7125aba80dbSck * Given a name, determine whether or not it's a valid path 7135aba80dbSck * (starts with '/' or "./"). If so, walk the mnttab trying 7145aba80dbSck * to match the device number. If not, treat the path as an 715edb901aaSMarcel Telka * fs/vol/snap/bkmark name. 7165aba80dbSck */ 7175aba80dbSck zfs_handle_t * 7185aba80dbSck zfs_path_to_zhandle(libzfs_handle_t *hdl, char *path, zfs_type_t argtype) 7195aba80dbSck { 7205aba80dbSck struct stat64 statbuf; 7215aba80dbSck struct extmnttab entry; 7225aba80dbSck int ret; 7235aba80dbSck 7245aba80dbSck if (path[0] != '/' && strncmp(path, "./", strlen("./")) != 0) { 7255aba80dbSck /* 7265aba80dbSck * It's not a valid path, assume it's a name of type 'argtype'. 7275aba80dbSck */ 7285aba80dbSck return (zfs_open(hdl, path, argtype)); 7295aba80dbSck } 7305aba80dbSck 7315aba80dbSck if (stat64(path, &statbuf) != 0) { 7325aba80dbSck (void) fprintf(stderr, "%s: %s\n", path, strerror(errno)); 7335aba80dbSck return (NULL); 7345aba80dbSck } 7355aba80dbSck 7365aba80dbSck rewind(hdl->libzfs_mnttab); 7375aba80dbSck while ((ret = getextmntent(hdl->libzfs_mnttab, &entry, 0)) == 0) { 7385aba80dbSck if (makedevice(entry.mnt_major, entry.mnt_minor) == 7395aba80dbSck statbuf.st_dev) { 7405aba80dbSck break; 7415aba80dbSck } 7425aba80dbSck } 7435aba80dbSck if (ret != 0) { 7445aba80dbSck return (NULL); 7455aba80dbSck } 7465aba80dbSck 7475aba80dbSck if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) { 7485aba80dbSck (void) fprintf(stderr, gettext("'%s': not a ZFS filesystem\n"), 7495aba80dbSck path); 7505aba80dbSck return (NULL); 7515aba80dbSck } 7525aba80dbSck 7535aba80dbSck return (zfs_open(hdl, entry.mnt_special, ZFS_TYPE_FILESYSTEM)); 7545aba80dbSck } 7555aba80dbSck 756e9dbad6fSeschrock /* 757e9dbad6fSeschrock * Initialize the zc_nvlist_dst member to prepare for receiving an nvlist from 758e9dbad6fSeschrock * an ioctl(). 759e9dbad6fSeschrock */ 760e9dbad6fSeschrock int 761e9dbad6fSeschrock zcmd_alloc_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, size_t len) 762e9dbad6fSeschrock { 763e9dbad6fSeschrock if (len == 0) 7644b964adaSGeorge Wilson len = 16 * 1024; 765e9dbad6fSeschrock zc->zc_nvlist_dst_size = len; 76630925561SChris Williamson zc->zc_nvlist_dst = 76730925561SChris Williamson (uint64_t)(uintptr_t)zfs_alloc(hdl, zc->zc_nvlist_dst_size); 76830925561SChris Williamson if (zc->zc_nvlist_dst == 0) 769e9dbad6fSeschrock return (-1); 770e9dbad6fSeschrock 771e9dbad6fSeschrock return (0); 772e9dbad6fSeschrock } 773e9dbad6fSeschrock 774e9dbad6fSeschrock /* 775e9dbad6fSeschrock * Called when an ioctl() which returns an nvlist fails with ENOMEM. This will 776e9dbad6fSeschrock * expand the nvlist to the size specified in 'zc_nvlist_dst_size', which was 777e9dbad6fSeschrock * filled in by the kernel to indicate the actual required size. 778e9dbad6fSeschrock */ 779e9dbad6fSeschrock int 780e9dbad6fSeschrock zcmd_expand_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc) 781e9dbad6fSeschrock { 782e9dbad6fSeschrock free((void *)(uintptr_t)zc->zc_nvlist_dst); 78330925561SChris Williamson zc->zc_nvlist_dst = 78430925561SChris Williamson (uint64_t)(uintptr_t)zfs_alloc(hdl, zc->zc_nvlist_dst_size); 78530925561SChris Williamson if (zc->zc_nvlist_dst == 0) 786e9dbad6fSeschrock return (-1); 787e9dbad6fSeschrock 788e9dbad6fSeschrock return (0); 789e9dbad6fSeschrock } 790e9dbad6fSeschrock 791e9dbad6fSeschrock /* 792a2eea2e1Sahrens * Called to free the src and dst nvlists stored in the command structure. 793e9dbad6fSeschrock */ 794e9dbad6fSeschrock void 795e9dbad6fSeschrock zcmd_free_nvlists(zfs_cmd_t *zc) 796e9dbad6fSeschrock { 797990b4856Slling free((void *)(uintptr_t)zc->zc_nvlist_conf); 798e9dbad6fSeschrock free((void *)(uintptr_t)zc->zc_nvlist_src); 799e9dbad6fSeschrock free((void *)(uintptr_t)zc->zc_nvlist_dst); 80030925561SChris Williamson zc->zc_nvlist_conf = NULL; 80130925561SChris Williamson zc->zc_nvlist_src = NULL; 80230925561SChris Williamson zc->zc_nvlist_dst = NULL; 803e9dbad6fSeschrock } 804e9dbad6fSeschrock 805990b4856Slling static int 806990b4856Slling zcmd_write_nvlist_com(libzfs_handle_t *hdl, uint64_t *outnv, uint64_t *outlen, 807990b4856Slling nvlist_t *nvl) 808e9dbad6fSeschrock { 809e9dbad6fSeschrock char *packed; 810e9dbad6fSeschrock size_t len; 811e9dbad6fSeschrock 812e9dbad6fSeschrock verify(nvlist_size(nvl, &len, NV_ENCODE_NATIVE) == 0); 813e9dbad6fSeschrock 814e9dbad6fSeschrock if ((packed = zfs_alloc(hdl, len)) == NULL) 815e9dbad6fSeschrock return (-1); 816e9dbad6fSeschrock 817e9dbad6fSeschrock verify(nvlist_pack(nvl, &packed, &len, NV_ENCODE_NATIVE, 0) == 0); 818e9dbad6fSeschrock 819990b4856Slling *outnv = (uint64_t)(uintptr_t)packed; 820990b4856Slling *outlen = len; 821e9dbad6fSeschrock 822e9dbad6fSeschrock return (0); 823e9dbad6fSeschrock } 824e9dbad6fSeschrock 825990b4856Slling int 826990b4856Slling zcmd_write_conf_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t *nvl) 827990b4856Slling { 828990b4856Slling return (zcmd_write_nvlist_com(hdl, &zc->zc_nvlist_conf, 829990b4856Slling &zc->zc_nvlist_conf_size, nvl)); 830990b4856Slling } 831990b4856Slling 832990b4856Slling int 833990b4856Slling zcmd_write_src_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t *nvl) 834990b4856Slling { 835990b4856Slling return (zcmd_write_nvlist_com(hdl, &zc->zc_nvlist_src, 836990b4856Slling &zc->zc_nvlist_src_size, nvl)); 837990b4856Slling } 838990b4856Slling 839e9dbad6fSeschrock /* 840e9dbad6fSeschrock * Unpacks an nvlist from the ZFS ioctl command structure. 841e9dbad6fSeschrock */ 842e9dbad6fSeschrock int 843e9dbad6fSeschrock zcmd_read_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t **nvlp) 844e9dbad6fSeschrock { 845e9dbad6fSeschrock if (nvlist_unpack((void *)(uintptr_t)zc->zc_nvlist_dst, 846e9dbad6fSeschrock zc->zc_nvlist_dst_size, nvlp, 0) != 0) 847e9dbad6fSeschrock return (no_memory(hdl)); 848e9dbad6fSeschrock 849e9dbad6fSeschrock return (0); 850e9dbad6fSeschrock } 851b1b8ab34Slling 852990b4856Slling int 853990b4856Slling zfs_ioctl(libzfs_handle_t *hdl, int request, zfs_cmd_t *zc) 854990b4856Slling { 8554445fffbSMatthew Ahrens return (ioctl(hdl->libzfs_fd, request, zc)); 856990b4856Slling } 857990b4856Slling 858990b4856Slling /* 859990b4856Slling * ================================================================ 860990b4856Slling * API shared by zfs and zpool property management 861990b4856Slling * ================================================================ 862990b4856Slling */ 863990b4856Slling 864b1b8ab34Slling static void 865990b4856Slling zprop_print_headers(zprop_get_cbdata_t *cbp, zfs_type_t type) 866b1b8ab34Slling { 867990b4856Slling zprop_list_t *pl = cbp->cb_proplist; 868b1b8ab34Slling int i; 869b1b8ab34Slling char *title; 870b1b8ab34Slling size_t len; 871b1b8ab34Slling 872b1b8ab34Slling cbp->cb_first = B_FALSE; 873b1b8ab34Slling if (cbp->cb_scripted) 874b1b8ab34Slling return; 875b1b8ab34Slling 876b1b8ab34Slling /* 877b1b8ab34Slling * Start with the length of the column headers. 878b1b8ab34Slling */ 879b1b8ab34Slling cbp->cb_colwidths[GET_COL_NAME] = strlen(dgettext(TEXT_DOMAIN, "NAME")); 880b1b8ab34Slling cbp->cb_colwidths[GET_COL_PROPERTY] = strlen(dgettext(TEXT_DOMAIN, 881b1b8ab34Slling "PROPERTY")); 882b1b8ab34Slling cbp->cb_colwidths[GET_COL_VALUE] = strlen(dgettext(TEXT_DOMAIN, 883b1b8ab34Slling "VALUE")); 88492241e0bSTom Erickson cbp->cb_colwidths[GET_COL_RECVD] = strlen(dgettext(TEXT_DOMAIN, 88592241e0bSTom Erickson "RECEIVED")); 886b1b8ab34Slling cbp->cb_colwidths[GET_COL_SOURCE] = strlen(dgettext(TEXT_DOMAIN, 887b1b8ab34Slling "SOURCE")); 888b1b8ab34Slling 889deb8317bSMark J Musante /* first property is always NAME */ 890deb8317bSMark J Musante assert(cbp->cb_proplist->pl_prop == 891deb8317bSMark J Musante ((type == ZFS_TYPE_POOL) ? ZPOOL_PROP_NAME : ZFS_PROP_NAME)); 892deb8317bSMark J Musante 893b1b8ab34Slling /* 894b1b8ab34Slling * Go through and calculate the widths for each column. For the 895b1b8ab34Slling * 'source' column, we kludge it up by taking the worst-case scenario of 896b1b8ab34Slling * inheriting from the longest name. This is acceptable because in the 897b1b8ab34Slling * majority of cases 'SOURCE' is the last column displayed, and we don't 898b1b8ab34Slling * use the width anyway. Note that the 'VALUE' column can be oversized, 89992241e0bSTom Erickson * if the name of the property is much longer than any values we find. 900b1b8ab34Slling */ 901b1b8ab34Slling for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 902b1b8ab34Slling /* 903b1b8ab34Slling * 'PROPERTY' column 904b1b8ab34Slling */ 905990b4856Slling if (pl->pl_prop != ZPROP_INVAL) { 906990b4856Slling const char *propname = (type == ZFS_TYPE_POOL) ? 907990b4856Slling zpool_prop_to_name(pl->pl_prop) : 908990b4856Slling zfs_prop_to_name(pl->pl_prop); 909990b4856Slling 910990b4856Slling len = strlen(propname); 911b1b8ab34Slling if (len > cbp->cb_colwidths[GET_COL_PROPERTY]) 912b1b8ab34Slling cbp->cb_colwidths[GET_COL_PROPERTY] = len; 913b1b8ab34Slling } else { 914b1b8ab34Slling len = strlen(pl->pl_user_prop); 915b1b8ab34Slling if (len > cbp->cb_colwidths[GET_COL_PROPERTY]) 916b1b8ab34Slling cbp->cb_colwidths[GET_COL_PROPERTY] = len; 917b1b8ab34Slling } 918b1b8ab34Slling 919b1b8ab34Slling /* 920deb8317bSMark J Musante * 'VALUE' column. The first property is always the 'name' 921deb8317bSMark J Musante * property that was tacked on either by /sbin/zfs's 922deb8317bSMark J Musante * zfs_do_get() or when calling zprop_expand_list(), so we 923deb8317bSMark J Musante * ignore its width. If the user specified the name property 924deb8317bSMark J Musante * to display, then it will be later in the list in any case. 925b1b8ab34Slling */ 926deb8317bSMark J Musante if (pl != cbp->cb_proplist && 927b1b8ab34Slling pl->pl_width > cbp->cb_colwidths[GET_COL_VALUE]) 928b1b8ab34Slling cbp->cb_colwidths[GET_COL_VALUE] = pl->pl_width; 929b1b8ab34Slling 93092241e0bSTom Erickson /* 'RECEIVED' column. */ 93192241e0bSTom Erickson if (pl != cbp->cb_proplist && 93292241e0bSTom Erickson pl->pl_recvd_width > cbp->cb_colwidths[GET_COL_RECVD]) 93392241e0bSTom Erickson cbp->cb_colwidths[GET_COL_RECVD] = pl->pl_recvd_width; 93492241e0bSTom Erickson 935b1b8ab34Slling /* 936b1b8ab34Slling * 'NAME' and 'SOURCE' columns 937b1b8ab34Slling */ 938990b4856Slling if (pl->pl_prop == (type == ZFS_TYPE_POOL ? ZPOOL_PROP_NAME : 939990b4856Slling ZFS_PROP_NAME) && 940b1b8ab34Slling pl->pl_width > cbp->cb_colwidths[GET_COL_NAME]) { 941b1b8ab34Slling cbp->cb_colwidths[GET_COL_NAME] = pl->pl_width; 942b1b8ab34Slling cbp->cb_colwidths[GET_COL_SOURCE] = pl->pl_width + 943b1b8ab34Slling strlen(dgettext(TEXT_DOMAIN, "inherited from")); 944b1b8ab34Slling } 945b1b8ab34Slling } 946b1b8ab34Slling 947b1b8ab34Slling /* 948b1b8ab34Slling * Now go through and print the headers. 949b1b8ab34Slling */ 95092241e0bSTom Erickson for (i = 0; i < ZFS_GET_NCOLS; i++) { 951b1b8ab34Slling switch (cbp->cb_columns[i]) { 952b1b8ab34Slling case GET_COL_NAME: 953b1b8ab34Slling title = dgettext(TEXT_DOMAIN, "NAME"); 954b1b8ab34Slling break; 955b1b8ab34Slling case GET_COL_PROPERTY: 956b1b8ab34Slling title = dgettext(TEXT_DOMAIN, "PROPERTY"); 957b1b8ab34Slling break; 958b1b8ab34Slling case GET_COL_VALUE: 959b1b8ab34Slling title = dgettext(TEXT_DOMAIN, "VALUE"); 960b1b8ab34Slling break; 96192241e0bSTom Erickson case GET_COL_RECVD: 96292241e0bSTom Erickson title = dgettext(TEXT_DOMAIN, "RECEIVED"); 96392241e0bSTom Erickson break; 964b1b8ab34Slling case GET_COL_SOURCE: 965b1b8ab34Slling title = dgettext(TEXT_DOMAIN, "SOURCE"); 966b1b8ab34Slling break; 967b1b8ab34Slling default: 968b1b8ab34Slling title = NULL; 969b1b8ab34Slling } 970b1b8ab34Slling 971b1b8ab34Slling if (title != NULL) { 97292241e0bSTom Erickson if (i == (ZFS_GET_NCOLS - 1) || 97392241e0bSTom Erickson cbp->cb_columns[i + 1] == GET_COL_NONE) 974b1b8ab34Slling (void) printf("%s", title); 975b1b8ab34Slling else 976b1b8ab34Slling (void) printf("%-*s ", 977b1b8ab34Slling cbp->cb_colwidths[cbp->cb_columns[i]], 978b1b8ab34Slling title); 979b1b8ab34Slling } 980b1b8ab34Slling } 981b1b8ab34Slling (void) printf("\n"); 982b1b8ab34Slling } 983b1b8ab34Slling 984b1b8ab34Slling /* 985b1b8ab34Slling * Display a single line of output, according to the settings in the callback 986b1b8ab34Slling * structure. 987b1b8ab34Slling */ 988b1b8ab34Slling void 989990b4856Slling zprop_print_one_property(const char *name, zprop_get_cbdata_t *cbp, 990990b4856Slling const char *propname, const char *value, zprop_source_t sourcetype, 99192241e0bSTom Erickson const char *source, const char *recvd_value) 992b1b8ab34Slling { 993b1b8ab34Slling int i; 994f83b46baSPaul Dagnelie const char *str = NULL; 995b1b8ab34Slling char buf[128]; 996b1b8ab34Slling 997b1b8ab34Slling /* 998b1b8ab34Slling * Ignore those source types that the user has chosen to ignore. 999b1b8ab34Slling */ 1000b1b8ab34Slling if ((sourcetype & cbp->cb_sources) == 0) 1001b1b8ab34Slling return; 1002b1b8ab34Slling 1003b1b8ab34Slling if (cbp->cb_first) 1004990b4856Slling zprop_print_headers(cbp, cbp->cb_type); 1005b1b8ab34Slling 100692241e0bSTom Erickson for (i = 0; i < ZFS_GET_NCOLS; i++) { 1007b1b8ab34Slling switch (cbp->cb_columns[i]) { 1008b1b8ab34Slling case GET_COL_NAME: 1009b1b8ab34Slling str = name; 1010b1b8ab34Slling break; 1011b1b8ab34Slling 1012b1b8ab34Slling case GET_COL_PROPERTY: 1013b1b8ab34Slling str = propname; 1014b1b8ab34Slling break; 1015b1b8ab34Slling 1016b1b8ab34Slling case GET_COL_VALUE: 1017b1b8ab34Slling str = value; 1018b1b8ab34Slling break; 1019b1b8ab34Slling 1020b1b8ab34Slling case GET_COL_SOURCE: 1021b1b8ab34Slling switch (sourcetype) { 1022990b4856Slling case ZPROP_SRC_NONE: 1023b1b8ab34Slling str = "-"; 1024b1b8ab34Slling break; 1025b1b8ab34Slling 1026990b4856Slling case ZPROP_SRC_DEFAULT: 1027b1b8ab34Slling str = "default"; 1028b1b8ab34Slling break; 1029b1b8ab34Slling 1030990b4856Slling case ZPROP_SRC_LOCAL: 1031b1b8ab34Slling str = "local"; 1032b1b8ab34Slling break; 1033b1b8ab34Slling 1034990b4856Slling case ZPROP_SRC_TEMPORARY: 1035b1b8ab34Slling str = "temporary"; 1036b1b8ab34Slling break; 1037b1b8ab34Slling 1038990b4856Slling case ZPROP_SRC_INHERITED: 1039b1b8ab34Slling (void) snprintf(buf, sizeof (buf), 1040b1b8ab34Slling "inherited from %s", source); 1041b1b8ab34Slling str = buf; 1042b1b8ab34Slling break; 104392241e0bSTom Erickson case ZPROP_SRC_RECEIVED: 104492241e0bSTom Erickson str = "received"; 104592241e0bSTom Erickson break; 104688f61deeSIgor Kozhukhov 104788f61deeSIgor Kozhukhov default: 104888f61deeSIgor Kozhukhov str = NULL; 104988f61deeSIgor Kozhukhov assert(!"unhandled zprop_source_t"); 1050b1b8ab34Slling } 1051b1b8ab34Slling break; 1052b1b8ab34Slling 105392241e0bSTom Erickson case GET_COL_RECVD: 105492241e0bSTom Erickson str = (recvd_value == NULL ? "-" : recvd_value); 105592241e0bSTom Erickson break; 105692241e0bSTom Erickson 1057b1b8ab34Slling default: 1058b1b8ab34Slling continue; 1059b1b8ab34Slling } 1060b1b8ab34Slling 106192241e0bSTom Erickson if (cbp->cb_columns[i + 1] == GET_COL_NONE) 1062b1b8ab34Slling (void) printf("%s", str); 1063b1b8ab34Slling else if (cbp->cb_scripted) 1064b1b8ab34Slling (void) printf("%s\t", str); 1065b1b8ab34Slling else 1066b1b8ab34Slling (void) printf("%-*s ", 1067b1b8ab34Slling cbp->cb_colwidths[cbp->cb_columns[i]], 1068b1b8ab34Slling str); 1069b1b8ab34Slling } 1070b1b8ab34Slling 1071b1b8ab34Slling (void) printf("\n"); 1072b1b8ab34Slling } 1073ecd6cf80Smarks 1074990b4856Slling /* 1075990b4856Slling * Given a numeric suffix, convert the value into a number of bits that the 1076990b4856Slling * resulting value must be shifted. 1077990b4856Slling */ 1078990b4856Slling static int 1079990b4856Slling str2shift(libzfs_handle_t *hdl, const char *buf) 1080990b4856Slling { 1081990b4856Slling const char *ends = "BKMGTPEZ"; 1082990b4856Slling int i; 1083990b4856Slling 1084990b4856Slling if (buf[0] == '\0') 1085990b4856Slling return (0); 1086990b4856Slling for (i = 0; i < strlen(ends); i++) { 1087990b4856Slling if (toupper(buf[0]) == ends[i]) 1088990b4856Slling break; 1089990b4856Slling } 1090990b4856Slling if (i == strlen(ends)) { 1091990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1092990b4856Slling "invalid numeric suffix '%s'"), buf); 1093990b4856Slling return (-1); 1094990b4856Slling } 1095990b4856Slling 1096990b4856Slling /* 1097990b4856Slling * We want to allow trailing 'b' characters for 'GB' or 'Mb'. But don't 1098990b4856Slling * allow 'BB' - that's just weird. 1099990b4856Slling */ 1100990b4856Slling if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0' && 1101990b4856Slling toupper(buf[0]) != 'B')) 1102990b4856Slling return (10*i); 1103990b4856Slling 1104990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1105990b4856Slling "invalid numeric suffix '%s'"), buf); 1106990b4856Slling return (-1); 1107990b4856Slling } 1108990b4856Slling 1109990b4856Slling /* 1110990b4856Slling * Convert a string of the form '100G' into a real number. Used when setting 1111990b4856Slling * properties or creating a volume. 'buf' is used to place an extended error 1112990b4856Slling * message for the caller to use. 1113990b4856Slling */ 1114ecd6cf80Smarks int 1115990b4856Slling zfs_nicestrtonum(libzfs_handle_t *hdl, const char *value, uint64_t *num) 1116ecd6cf80Smarks { 1117990b4856Slling char *end; 1118990b4856Slling int shift; 1119ecd6cf80Smarks 1120990b4856Slling *num = 0; 1121990b4856Slling 1122990b4856Slling /* Check to see if this looks like a number. */ 1123990b4856Slling if ((value[0] < '0' || value[0] > '9') && value[0] != '.') { 1124990b4856Slling if (hdl) 1125990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1126990b4856Slling "bad numeric value '%s'"), value); 1127990b4856Slling return (-1); 1128ecd6cf80Smarks } 1129ecd6cf80Smarks 1130069f55e2SEric Schrock /* Rely on strtoull() to process the numeric portion. */ 1131990b4856Slling errno = 0; 1132f67f35c3SEric Schrock *num = strtoull(value, &end, 10); 1133990b4856Slling 1134990b4856Slling /* 1135990b4856Slling * Check for ERANGE, which indicates that the value is too large to fit 1136990b4856Slling * in a 64-bit value. 1137990b4856Slling */ 1138990b4856Slling if (errno == ERANGE) { 1139990b4856Slling if (hdl) 1140990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1141990b4856Slling "numeric value is too large")); 1142990b4856Slling return (-1); 1143990b4856Slling } 1144990b4856Slling 1145990b4856Slling /* 1146990b4856Slling * If we have a decimal value, then do the computation with floating 1147990b4856Slling * point arithmetic. Otherwise, use standard arithmetic. 1148990b4856Slling */ 1149990b4856Slling if (*end == '.') { 1150990b4856Slling double fval = strtod(value, &end); 1151990b4856Slling 1152990b4856Slling if ((shift = str2shift(hdl, end)) == -1) 1153990b4856Slling return (-1); 1154990b4856Slling 1155990b4856Slling fval *= pow(2, shift); 1156990b4856Slling 1157990b4856Slling if (fval > UINT64_MAX) { 1158990b4856Slling if (hdl) 1159990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1160990b4856Slling "numeric value is too large")); 1161990b4856Slling return (-1); 1162990b4856Slling } 1163990b4856Slling 1164990b4856Slling *num = (uint64_t)fval; 1165990b4856Slling } else { 1166990b4856Slling if ((shift = str2shift(hdl, end)) == -1) 1167990b4856Slling return (-1); 1168990b4856Slling 1169990b4856Slling /* Check for overflow */ 1170990b4856Slling if (shift >= 64 || (*num << shift) >> shift != *num) { 1171990b4856Slling if (hdl) 1172990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1173990b4856Slling "numeric value is too large")); 1174990b4856Slling return (-1); 1175990b4856Slling } 1176990b4856Slling 1177990b4856Slling *num <<= shift; 1178990b4856Slling } 1179990b4856Slling 1180990b4856Slling return (0); 1181990b4856Slling } 1182990b4856Slling 1183990b4856Slling /* 1184990b4856Slling * Given a propname=value nvpair to set, parse any numeric properties 1185990b4856Slling * (index, boolean, etc) if they are specified as strings and add the 1186990b4856Slling * resulting nvpair to the returned nvlist. 1187990b4856Slling * 1188990b4856Slling * At the DSL layer, all properties are either 64-bit numbers or strings. 1189990b4856Slling * We want the user to be able to ignore this fact and specify properties 1190990b4856Slling * as native values (numbers, for example) or as strings (to simplify 1191990b4856Slling * command line utilities). This also handles converting index types 1192990b4856Slling * (compression, checksum, etc) from strings to their on-disk index. 1193990b4856Slling */ 1194990b4856Slling int 1195990b4856Slling zprop_parse_value(libzfs_handle_t *hdl, nvpair_t *elem, int prop, 1196990b4856Slling zfs_type_t type, nvlist_t *ret, char **svalp, uint64_t *ivalp, 1197990b4856Slling const char *errbuf) 1198990b4856Slling { 1199990b4856Slling data_type_t datatype = nvpair_type(elem); 1200990b4856Slling zprop_type_t proptype; 1201990b4856Slling const char *propname; 1202990b4856Slling char *value; 1203990b4856Slling boolean_t isnone = B_FALSE; 12041c10ae76SMike Gerdts boolean_t isauto = B_FALSE; 1205990b4856Slling 1206990b4856Slling if (type == ZFS_TYPE_POOL) { 1207990b4856Slling proptype = zpool_prop_get_type(prop); 1208990b4856Slling propname = zpool_prop_to_name(prop); 1209990b4856Slling } else { 1210990b4856Slling proptype = zfs_prop_get_type(prop); 1211990b4856Slling propname = zfs_prop_to_name(prop); 1212990b4856Slling } 1213990b4856Slling 1214990b4856Slling /* 1215990b4856Slling * Convert any properties to the internal DSL value types. 1216990b4856Slling */ 1217990b4856Slling *svalp = NULL; 1218990b4856Slling *ivalp = 0; 1219990b4856Slling 1220990b4856Slling switch (proptype) { 1221990b4856Slling case PROP_TYPE_STRING: 1222990b4856Slling if (datatype != DATA_TYPE_STRING) { 1223990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1224990b4856Slling "'%s' must be a string"), nvpair_name(elem)); 1225990b4856Slling goto error; 1226990b4856Slling } 1227990b4856Slling (void) nvpair_value_string(elem, svalp); 1228990b4856Slling if (strlen(*svalp) >= ZFS_MAXPROPLEN) { 1229990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1230990b4856Slling "'%s' is too long"), nvpair_name(elem)); 1231990b4856Slling goto error; 1232990b4856Slling } 1233990b4856Slling break; 1234990b4856Slling 1235990b4856Slling case PROP_TYPE_NUMBER: 1236990b4856Slling if (datatype == DATA_TYPE_STRING) { 1237990b4856Slling (void) nvpair_value_string(elem, &value); 1238990b4856Slling if (strcmp(value, "none") == 0) { 1239990b4856Slling isnone = B_TRUE; 12401c10ae76SMike Gerdts } else if (strcmp(value, "auto") == 0) { 12411c10ae76SMike Gerdts isauto = B_TRUE; 12421c10ae76SMike Gerdts } else if (zfs_nicestrtonum(hdl, value, ivalp) != 0) { 1243990b4856Slling goto error; 1244990b4856Slling } 1245990b4856Slling } else if (datatype == DATA_TYPE_UINT64) { 1246990b4856Slling (void) nvpair_value_uint64(elem, ivalp); 1247990b4856Slling } else { 1248990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1249990b4856Slling "'%s' must be a number"), nvpair_name(elem)); 1250990b4856Slling goto error; 1251990b4856Slling } 1252990b4856Slling 1253990b4856Slling /* 1254990b4856Slling * Quota special: force 'none' and don't allow 0. 1255990b4856Slling */ 1256a9799022Sck if ((type & ZFS_TYPE_DATASET) && *ivalp == 0 && !isnone && 1257a9799022Sck (prop == ZFS_PROP_QUOTA || prop == ZFS_PROP_REFQUOTA)) { 1258990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1259a9799022Sck "use 'none' to disable quota/refquota")); 1260990b4856Slling goto error; 1261990b4856Slling } 1262a2afb611SJerry Jelinek 1263a2afb611SJerry Jelinek /* 1264a2afb611SJerry Jelinek * Special handling for "*_limit=none". In this case it's not 1265a2afb611SJerry Jelinek * 0 but UINT64_MAX. 1266a2afb611SJerry Jelinek */ 1267a2afb611SJerry Jelinek if ((type & ZFS_TYPE_DATASET) && isnone && 1268a2afb611SJerry Jelinek (prop == ZFS_PROP_FILESYSTEM_LIMIT || 1269a2afb611SJerry Jelinek prop == ZFS_PROP_SNAPSHOT_LIMIT)) { 1270a2afb611SJerry Jelinek *ivalp = UINT64_MAX; 1271a2afb611SJerry Jelinek } 12721c10ae76SMike Gerdts 12731c10ae76SMike Gerdts /* 12741c10ae76SMike Gerdts * Special handling for setting 'refreservation' to 'auto'. Use 12751c10ae76SMike Gerdts * UINT64_MAX to tell the caller to use zfs_fix_auto_resv(). 12761c10ae76SMike Gerdts * 'auto' is only allowed on volumes. 12771c10ae76SMike Gerdts */ 12781c10ae76SMike Gerdts if (isauto) { 12791c10ae76SMike Gerdts switch (prop) { 12801c10ae76SMike Gerdts case ZFS_PROP_REFRESERVATION: 12811c10ae76SMike Gerdts if ((type & ZFS_TYPE_VOLUME) == 0) { 12821c10ae76SMike Gerdts zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 12831c10ae76SMike Gerdts "'%s=auto' only allowed on " 12841c10ae76SMike Gerdts "volumes"), nvpair_name(elem)); 12851c10ae76SMike Gerdts goto error; 12861c10ae76SMike Gerdts } 12871c10ae76SMike Gerdts *ivalp = UINT64_MAX; 12881c10ae76SMike Gerdts break; 12891c10ae76SMike Gerdts default: 12901c10ae76SMike Gerdts zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 12911c10ae76SMike Gerdts "'auto' is invalid value for '%s'"), 12921c10ae76SMike Gerdts nvpair_name(elem)); 12931c10ae76SMike Gerdts goto error; 12941c10ae76SMike Gerdts } 12951c10ae76SMike Gerdts } 12961c10ae76SMike Gerdts 1297990b4856Slling break; 1298990b4856Slling 1299990b4856Slling case PROP_TYPE_INDEX: 1300a9799022Sck if (datatype != DATA_TYPE_STRING) { 1301990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1302990b4856Slling "'%s' must be a string"), nvpair_name(elem)); 1303990b4856Slling goto error; 1304990b4856Slling } 1305990b4856Slling 1306a9799022Sck (void) nvpair_value_string(elem, &value); 1307a9799022Sck 1308990b4856Slling if (zprop_string_to_index(prop, value, ivalp, type) != 0) { 1309990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1310990b4856Slling "'%s' must be one of '%s'"), propname, 1311990b4856Slling zprop_values(prop, type)); 1312990b4856Slling goto error; 1313990b4856Slling } 1314990b4856Slling break; 1315990b4856Slling 1316990b4856Slling default: 1317990b4856Slling abort(); 1318990b4856Slling } 1319990b4856Slling 1320990b4856Slling /* 1321990b4856Slling * Add the result to our return set of properties. 1322990b4856Slling */ 1323990b4856Slling if (*svalp != NULL) { 1324990b4856Slling if (nvlist_add_string(ret, propname, *svalp) != 0) { 1325990b4856Slling (void) no_memory(hdl); 1326990b4856Slling return (-1); 1327990b4856Slling } 1328990b4856Slling } else { 1329990b4856Slling if (nvlist_add_uint64(ret, propname, *ivalp) != 0) { 1330990b4856Slling (void) no_memory(hdl); 1331990b4856Slling return (-1); 1332990b4856Slling } 1333990b4856Slling } 1334990b4856Slling 1335990b4856Slling return (0); 1336990b4856Slling error: 1337990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 1338990b4856Slling return (-1); 1339990b4856Slling } 1340990b4856Slling 134174e7dc98SMatthew Ahrens static int 134274e7dc98SMatthew Ahrens addlist(libzfs_handle_t *hdl, char *propname, zprop_list_t **listp, 134374e7dc98SMatthew Ahrens zfs_type_t type) 134474e7dc98SMatthew Ahrens { 134574e7dc98SMatthew Ahrens int prop; 134674e7dc98SMatthew Ahrens zprop_list_t *entry; 134774e7dc98SMatthew Ahrens 134874e7dc98SMatthew Ahrens prop = zprop_name_to_prop(propname, type); 134974e7dc98SMatthew Ahrens 135074e7dc98SMatthew Ahrens if (prop != ZPROP_INVAL && !zprop_valid_for_type(prop, type)) 135174e7dc98SMatthew Ahrens prop = ZPROP_INVAL; 135274e7dc98SMatthew Ahrens 135374e7dc98SMatthew Ahrens /* 135474e7dc98SMatthew Ahrens * When no property table entry can be found, return failure if 135574e7dc98SMatthew Ahrens * this is a pool property or if this isn't a user-defined 135674e7dc98SMatthew Ahrens * dataset property, 135774e7dc98SMatthew Ahrens */ 1358ad135b5dSChristopher Siden if (prop == ZPROP_INVAL && ((type == ZFS_TYPE_POOL && 1359ad135b5dSChristopher Siden !zpool_prop_feature(propname) && 1360ad135b5dSChristopher Siden !zpool_prop_unsupported(propname)) || 1361ad135b5dSChristopher Siden (type == ZFS_TYPE_DATASET && !zfs_prop_user(propname) && 1362ad135b5dSChristopher Siden !zfs_prop_userquota(propname) && !zfs_prop_written(propname)))) { 136374e7dc98SMatthew Ahrens zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 136474e7dc98SMatthew Ahrens "invalid property '%s'"), propname); 136574e7dc98SMatthew Ahrens return (zfs_error(hdl, EZFS_BADPROP, 136674e7dc98SMatthew Ahrens dgettext(TEXT_DOMAIN, "bad property list"))); 136774e7dc98SMatthew Ahrens } 136874e7dc98SMatthew Ahrens 136974e7dc98SMatthew Ahrens if ((entry = zfs_alloc(hdl, sizeof (zprop_list_t))) == NULL) 137074e7dc98SMatthew Ahrens return (-1); 137174e7dc98SMatthew Ahrens 137274e7dc98SMatthew Ahrens entry->pl_prop = prop; 137374e7dc98SMatthew Ahrens if (prop == ZPROP_INVAL) { 1374ad135b5dSChristopher Siden if ((entry->pl_user_prop = zfs_strdup(hdl, propname)) == 1375ad135b5dSChristopher Siden NULL) { 137674e7dc98SMatthew Ahrens free(entry); 137774e7dc98SMatthew Ahrens return (-1); 137874e7dc98SMatthew Ahrens } 137974e7dc98SMatthew Ahrens entry->pl_width = strlen(propname); 138074e7dc98SMatthew Ahrens } else { 138174e7dc98SMatthew Ahrens entry->pl_width = zprop_width(prop, &entry->pl_fixed, 138274e7dc98SMatthew Ahrens type); 138374e7dc98SMatthew Ahrens } 138474e7dc98SMatthew Ahrens 138574e7dc98SMatthew Ahrens *listp = entry; 138674e7dc98SMatthew Ahrens 138774e7dc98SMatthew Ahrens return (0); 138874e7dc98SMatthew Ahrens } 138974e7dc98SMatthew Ahrens 1390990b4856Slling /* 1391990b4856Slling * Given a comma-separated list of properties, construct a property list 1392990b4856Slling * containing both user-defined and native properties. This function will 1393990b4856Slling * return a NULL list if 'all' is specified, which can later be expanded 1394990b4856Slling * by zprop_expand_list(). 1395990b4856Slling */ 1396990b4856Slling int 1397990b4856Slling zprop_get_list(libzfs_handle_t *hdl, char *props, zprop_list_t **listp, 1398990b4856Slling zfs_type_t type) 1399990b4856Slling { 1400990b4856Slling *listp = NULL; 1401990b4856Slling 1402990b4856Slling /* 1403990b4856Slling * If 'all' is specified, return a NULL list. 1404990b4856Slling */ 1405990b4856Slling if (strcmp(props, "all") == 0) 1406990b4856Slling return (0); 1407990b4856Slling 1408990b4856Slling /* 1409990b4856Slling * If no props were specified, return an error. 1410990b4856Slling */ 1411990b4856Slling if (props[0] == '\0') { 1412990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1413990b4856Slling "no properties specified")); 1414990b4856Slling return (zfs_error(hdl, EZFS_BADPROP, dgettext(TEXT_DOMAIN, 1415990b4856Slling "bad property list"))); 1416990b4856Slling } 1417990b4856Slling 1418990b4856Slling /* 1419990b4856Slling * It would be nice to use getsubopt() here, but the inclusion of column 1420990b4856Slling * aliases makes this more effort than it's worth. 1421990b4856Slling */ 142274e7dc98SMatthew Ahrens while (*props != '\0') { 142374e7dc98SMatthew Ahrens size_t len; 142474e7dc98SMatthew Ahrens char *p; 142574e7dc98SMatthew Ahrens char c; 142674e7dc98SMatthew Ahrens 142774e7dc98SMatthew Ahrens if ((p = strchr(props, ',')) == NULL) { 142874e7dc98SMatthew Ahrens len = strlen(props); 142974e7dc98SMatthew Ahrens p = props + len; 1430990b4856Slling } else { 143174e7dc98SMatthew Ahrens len = p - props; 1432990b4856Slling } 1433990b4856Slling 1434990b4856Slling /* 1435990b4856Slling * Check for empty options. 1436990b4856Slling */ 1437990b4856Slling if (len == 0) { 1438990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1439990b4856Slling "empty property name")); 1440990b4856Slling return (zfs_error(hdl, EZFS_BADPROP, 1441990b4856Slling dgettext(TEXT_DOMAIN, "bad property list"))); 1442990b4856Slling } 1443990b4856Slling 1444990b4856Slling /* 1445990b4856Slling * Check all regular property names. 1446990b4856Slling */ 144774e7dc98SMatthew Ahrens c = props[len]; 144874e7dc98SMatthew Ahrens props[len] = '\0'; 144974e7dc98SMatthew Ahrens 145074e7dc98SMatthew Ahrens if (strcmp(props, "space") == 0) { 145174e7dc98SMatthew Ahrens static char *spaceprops[] = { 145274e7dc98SMatthew Ahrens "name", "avail", "used", "usedbysnapshots", 145374e7dc98SMatthew Ahrens "usedbydataset", "usedbyrefreservation", 145474e7dc98SMatthew Ahrens "usedbychildren", NULL 145574e7dc98SMatthew Ahrens }; 145674e7dc98SMatthew Ahrens int i; 145774e7dc98SMatthew Ahrens 145874e7dc98SMatthew Ahrens for (i = 0; spaceprops[i]; i++) { 145974e7dc98SMatthew Ahrens if (addlist(hdl, spaceprops[i], listp, type)) 146074e7dc98SMatthew Ahrens return (-1); 146174e7dc98SMatthew Ahrens listp = &(*listp)->pl_next; 1462990b4856Slling } 1463990b4856Slling } else { 146474e7dc98SMatthew Ahrens if (addlist(hdl, props, listp, type)) 146574e7dc98SMatthew Ahrens return (-1); 146674e7dc98SMatthew Ahrens listp = &(*listp)->pl_next; 1467990b4856Slling } 1468990b4856Slling 146974e7dc98SMatthew Ahrens props = p; 1470990b4856Slling if (c == ',') 147174e7dc98SMatthew Ahrens props++; 1472990b4856Slling } 1473990b4856Slling 1474990b4856Slling return (0); 1475990b4856Slling } 1476990b4856Slling 1477990b4856Slling void 1478990b4856Slling zprop_free_list(zprop_list_t *pl) 1479990b4856Slling { 1480990b4856Slling zprop_list_t *next; 1481990b4856Slling 1482990b4856Slling while (pl != NULL) { 1483990b4856Slling next = pl->pl_next; 1484990b4856Slling free(pl->pl_user_prop); 1485990b4856Slling free(pl); 1486990b4856Slling pl = next; 1487990b4856Slling } 1488990b4856Slling } 1489990b4856Slling 1490990b4856Slling typedef struct expand_data { 1491990b4856Slling zprop_list_t **last; 1492990b4856Slling libzfs_handle_t *hdl; 1493990b4856Slling zfs_type_t type; 1494990b4856Slling } expand_data_t; 1495990b4856Slling 1496990b4856Slling int 1497990b4856Slling zprop_expand_list_cb(int prop, void *cb) 1498990b4856Slling { 1499990b4856Slling zprop_list_t *entry; 1500990b4856Slling expand_data_t *edp = cb; 1501990b4856Slling 1502990b4856Slling if ((entry = zfs_alloc(edp->hdl, sizeof (zprop_list_t))) == NULL) 1503990b4856Slling return (ZPROP_INVAL); 1504990b4856Slling 1505990b4856Slling entry->pl_prop = prop; 1506990b4856Slling entry->pl_width = zprop_width(prop, &entry->pl_fixed, edp->type); 1507990b4856Slling entry->pl_all = B_TRUE; 1508990b4856Slling 1509990b4856Slling *(edp->last) = entry; 1510990b4856Slling edp->last = &entry->pl_next; 1511990b4856Slling 1512990b4856Slling return (ZPROP_CONT); 1513990b4856Slling } 1514990b4856Slling 1515990b4856Slling int 1516990b4856Slling zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp, zfs_type_t type) 1517990b4856Slling { 1518990b4856Slling zprop_list_t *entry; 1519990b4856Slling zprop_list_t **last; 1520990b4856Slling expand_data_t exp; 1521990b4856Slling 1522990b4856Slling if (*plp == NULL) { 1523990b4856Slling /* 1524990b4856Slling * If this is the very first time we've been called for an 'all' 1525990b4856Slling * specification, expand the list to include all native 1526990b4856Slling * properties. 1527990b4856Slling */ 1528990b4856Slling last = plp; 1529990b4856Slling 1530990b4856Slling exp.last = last; 1531990b4856Slling exp.hdl = hdl; 1532990b4856Slling exp.type = type; 1533990b4856Slling 1534990b4856Slling if (zprop_iter_common(zprop_expand_list_cb, &exp, B_FALSE, 1535990b4856Slling B_FALSE, type) == ZPROP_INVAL) 1536990b4856Slling return (-1); 1537990b4856Slling 1538990b4856Slling /* 1539990b4856Slling * Add 'name' to the beginning of the list, which is handled 1540990b4856Slling * specially. 1541990b4856Slling */ 1542990b4856Slling if ((entry = zfs_alloc(hdl, sizeof (zprop_list_t))) == NULL) 1543990b4856Slling return (-1); 1544990b4856Slling 1545990b4856Slling entry->pl_prop = (type == ZFS_TYPE_POOL) ? ZPOOL_PROP_NAME : 1546990b4856Slling ZFS_PROP_NAME; 1547990b4856Slling entry->pl_width = zprop_width(entry->pl_prop, 1548990b4856Slling &entry->pl_fixed, type); 1549990b4856Slling entry->pl_all = B_TRUE; 1550990b4856Slling entry->pl_next = *plp; 1551990b4856Slling *plp = entry; 1552990b4856Slling } 1553990b4856Slling return (0); 1554990b4856Slling } 1555990b4856Slling 1556990b4856Slling int 1557990b4856Slling zprop_iter(zprop_func func, void *cb, boolean_t show_all, boolean_t ordered, 1558990b4856Slling zfs_type_t type) 1559990b4856Slling { 1560990b4856Slling return (zprop_iter_common(func, cb, show_all, ordered, type)); 1561ecd6cf80Smarks } 15622bcf0248SMax Grossman 15632bcf0248SMax Grossman /* 15642bcf0248SMax Grossman * zfs_get_hole_count retrieves the number of holes (blocks which are 15652bcf0248SMax Grossman * zero-filled) in the specified file using the _FIO_COUNT_FILLED ioctl. It 15662bcf0248SMax Grossman * also optionally fetches the block size when bs is non-NULL. With hole count 15672bcf0248SMax Grossman * and block size the full space consumed by the holes of a file can be 15682bcf0248SMax Grossman * calculated. 15692bcf0248SMax Grossman * 15702bcf0248SMax Grossman * On success, zero is returned, the count argument is set to the 15712bcf0248SMax Grossman * number of holes, and the bs argument is set to the block size (if it is 15722bcf0248SMax Grossman * not NULL). On error, a non-zero errno is returned and the values in count 15732bcf0248SMax Grossman * and bs are undefined. 15742bcf0248SMax Grossman */ 15752bcf0248SMax Grossman int 15769a686fbcSPaul Dagnelie zfs_get_hole_count(const char *path, uint64_t *count, uint64_t *bs) 15779a686fbcSPaul Dagnelie { 15782bcf0248SMax Grossman int fd, err; 15792bcf0248SMax Grossman struct stat64 ss; 15802bcf0248SMax Grossman uint64_t fill; 15812bcf0248SMax Grossman 15822bcf0248SMax Grossman fd = open(path, O_RDONLY | O_LARGEFILE); 15832bcf0248SMax Grossman if (fd == -1) 15842bcf0248SMax Grossman return (errno); 15852bcf0248SMax Grossman 15862bcf0248SMax Grossman if (ioctl(fd, _FIO_COUNT_FILLED, &fill) == -1) { 15872bcf0248SMax Grossman err = errno; 15882bcf0248SMax Grossman (void) close(fd); 15892bcf0248SMax Grossman return (err); 15902bcf0248SMax Grossman } 15912bcf0248SMax Grossman 15922bcf0248SMax Grossman if (fstat64(fd, &ss) == -1) { 15932bcf0248SMax Grossman err = errno; 15942bcf0248SMax Grossman (void) close(fd); 15952bcf0248SMax Grossman return (err); 15962bcf0248SMax Grossman } 15972bcf0248SMax Grossman 15982bcf0248SMax Grossman *count = (ss.st_size + ss.st_blksize - 1) / ss.st_blksize - fill; 15992bcf0248SMax Grossman VERIFY3S(*count, >=, 0); 16002bcf0248SMax Grossman if (bs != NULL) { 16012bcf0248SMax Grossman *bs = ss.st_blksize; 16022bcf0248SMax Grossman } 16032bcf0248SMax Grossman 16042bcf0248SMax Grossman if (close(fd) == -1) { 16052bcf0248SMax Grossman return (errno); 16062bcf0248SMax Grossman } 16072bcf0248SMax Grossman return (0); 16082bcf0248SMax Grossman } 1609*e0f1c0afSOlaf Faaland 1610*e0f1c0afSOlaf Faaland ulong_t 1611*e0f1c0afSOlaf Faaland get_system_hostid(void) 1612*e0f1c0afSOlaf Faaland { 1613*e0f1c0afSOlaf Faaland char *env; 1614*e0f1c0afSOlaf Faaland 1615*e0f1c0afSOlaf Faaland /* 1616*e0f1c0afSOlaf Faaland * Allow the hostid to be subverted for testing. 1617*e0f1c0afSOlaf Faaland */ 1618*e0f1c0afSOlaf Faaland env = getenv("ZFS_HOSTID"); 1619*e0f1c0afSOlaf Faaland if (env) { 1620*e0f1c0afSOlaf Faaland ulong_t hostid = strtoull(env, NULL, 16); 1621*e0f1c0afSOlaf Faaland return (hostid & 0xFFFFFFFF); 1622*e0f1c0afSOlaf Faaland } 1623*e0f1c0afSOlaf Faaland 1624*e0f1c0afSOlaf Faaland return (gethostid()); 1625*e0f1c0afSOlaf Faaland } 1626