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 */ 21fa9e4066Sahrens /* 22*1195e687SMark J Musante * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens /* 27fa9e4066Sahrens * Internal utility routines for the ZFS library. 28fa9e4066Sahrens */ 29fa9e4066Sahrens 30fa9e4066Sahrens #include <errno.h> 31fa9e4066Sahrens #include <fcntl.h> 32fa9e4066Sahrens #include <libintl.h> 33fa9e4066Sahrens #include <stdarg.h> 34fa9e4066Sahrens #include <stdio.h> 35fa9e4066Sahrens #include <stdlib.h> 36fa9e4066Sahrens #include <strings.h> 37fa9e4066Sahrens #include <unistd.h> 38990b4856Slling #include <ctype.h> 39990b4856Slling #include <math.h> 40fa9e4066Sahrens #include <sys/mnttab.h> 415aba80dbSck #include <sys/mntent.h> 425aba80dbSck #include <sys/types.h> 43fa9e4066Sahrens 44fa9e4066Sahrens #include <libzfs.h> 45fa9e4066Sahrens 46fa9e4066Sahrens #include "libzfs_impl.h" 4791ebeef5Sahrens #include "zfs_prop.h" 48fa9e4066Sahrens 4999653d4eSeschrock int 5099653d4eSeschrock libzfs_errno(libzfs_handle_t *hdl) 5199653d4eSeschrock { 5299653d4eSeschrock return (hdl->libzfs_error); 5399653d4eSeschrock } 54fa9e4066Sahrens 5599653d4eSeschrock const char * 5699653d4eSeschrock libzfs_error_action(libzfs_handle_t *hdl) 5799653d4eSeschrock { 5899653d4eSeschrock return (hdl->libzfs_action); 5999653d4eSeschrock } 60fa9e4066Sahrens 6199653d4eSeschrock const char * 6299653d4eSeschrock libzfs_error_description(libzfs_handle_t *hdl) 6399653d4eSeschrock { 6499653d4eSeschrock if (hdl->libzfs_desc[0] != '\0') 6599653d4eSeschrock return (hdl->libzfs_desc); 6699653d4eSeschrock 6799653d4eSeschrock switch (hdl->libzfs_error) { 6899653d4eSeschrock case EZFS_NOMEM: 6999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "out of memory")); 7099653d4eSeschrock case EZFS_BADPROP: 7199653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid property value")); 7299653d4eSeschrock case EZFS_PROPREADONLY: 7399653d4eSeschrock return (dgettext(TEXT_DOMAIN, "read only property")); 7499653d4eSeschrock case EZFS_PROPTYPE: 7599653d4eSeschrock return (dgettext(TEXT_DOMAIN, "property doesn't apply to " 7699653d4eSeschrock "datasets of this type")); 7799653d4eSeschrock case EZFS_PROPNONINHERIT: 7899653d4eSeschrock return (dgettext(TEXT_DOMAIN, "property cannot be inherited")); 7999653d4eSeschrock case EZFS_PROPSPACE: 8099653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid quota or reservation")); 8199653d4eSeschrock case EZFS_BADTYPE: 8299653d4eSeschrock return (dgettext(TEXT_DOMAIN, "operation not applicable to " 8399653d4eSeschrock "datasets of this type")); 8499653d4eSeschrock case EZFS_BUSY: 8599653d4eSeschrock return (dgettext(TEXT_DOMAIN, "pool or dataset is busy")); 8699653d4eSeschrock case EZFS_EXISTS: 8799653d4eSeschrock return (dgettext(TEXT_DOMAIN, "pool or dataset exists")); 8899653d4eSeschrock case EZFS_NOENT: 8999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "no such pool or dataset")); 9099653d4eSeschrock case EZFS_BADSTREAM: 9199653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid backup stream")); 9299653d4eSeschrock case EZFS_DSREADONLY: 9399653d4eSeschrock return (dgettext(TEXT_DOMAIN, "dataset is read only")); 9499653d4eSeschrock case EZFS_VOLTOOBIG: 9599653d4eSeschrock return (dgettext(TEXT_DOMAIN, "volume size exceeds limit for " 9699653d4eSeschrock "this system")); 9799653d4eSeschrock case EZFS_INVALIDNAME: 9899653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid name")); 9999653d4eSeschrock case EZFS_BADRESTORE: 10099653d4eSeschrock return (dgettext(TEXT_DOMAIN, "unable to restore to " 10199653d4eSeschrock "destination")); 10299653d4eSeschrock case EZFS_BADBACKUP: 10399653d4eSeschrock return (dgettext(TEXT_DOMAIN, "backup failed")); 10499653d4eSeschrock case EZFS_BADTARGET: 10599653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid target vdev")); 10699653d4eSeschrock case EZFS_NODEVICE: 10799653d4eSeschrock return (dgettext(TEXT_DOMAIN, "no such device in pool")); 10899653d4eSeschrock case EZFS_BADDEV: 10999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid device")); 11099653d4eSeschrock case EZFS_NOREPLICAS: 11199653d4eSeschrock return (dgettext(TEXT_DOMAIN, "no valid replicas")); 11299653d4eSeschrock case EZFS_RESILVERING: 11399653d4eSeschrock return (dgettext(TEXT_DOMAIN, "currently resilvering")); 11499653d4eSeschrock case EZFS_BADVERSION: 11599653d4eSeschrock return (dgettext(TEXT_DOMAIN, "unsupported version")); 11699653d4eSeschrock case EZFS_POOLUNAVAIL: 11799653d4eSeschrock return (dgettext(TEXT_DOMAIN, "pool is unavailable")); 11899653d4eSeschrock case EZFS_DEVOVERFLOW: 11999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "too many devices in one vdev")); 12099653d4eSeschrock case EZFS_BADPATH: 12199653d4eSeschrock return (dgettext(TEXT_DOMAIN, "must be an absolute path")); 12299653d4eSeschrock case EZFS_CROSSTARGET: 12399653d4eSeschrock return (dgettext(TEXT_DOMAIN, "operation crosses datasets or " 12499653d4eSeschrock "pools")); 12599653d4eSeschrock case EZFS_ZONED: 12699653d4eSeschrock return (dgettext(TEXT_DOMAIN, "dataset in use by local zone")); 12799653d4eSeschrock case EZFS_MOUNTFAILED: 12899653d4eSeschrock return (dgettext(TEXT_DOMAIN, "mount failed")); 12999653d4eSeschrock case EZFS_UMOUNTFAILED: 13099653d4eSeschrock return (dgettext(TEXT_DOMAIN, "umount failed")); 131f3861e1aSahl case EZFS_UNSHARENFSFAILED: 13299653d4eSeschrock return (dgettext(TEXT_DOMAIN, "unshare(1M) failed")); 133f3861e1aSahl case EZFS_SHARENFSFAILED: 13499653d4eSeschrock return (dgettext(TEXT_DOMAIN, "share(1M) failed")); 135da6c28aaSamw case EZFS_UNSHARESMBFAILED: 136da6c28aaSamw return (dgettext(TEXT_DOMAIN, "smb remove share failed")); 137da6c28aaSamw case EZFS_SHARESMBFAILED: 138da6c28aaSamw return (dgettext(TEXT_DOMAIN, "smb add share failed")); 139ecd6cf80Smarks case EZFS_ISCSISVCUNAVAIL: 140ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, 141ecd6cf80Smarks "iscsitgt service need to be enabled by " 142ecd6cf80Smarks "a privileged user")); 14399653d4eSeschrock case EZFS_PERM: 14499653d4eSeschrock return (dgettext(TEXT_DOMAIN, "permission denied")); 14599653d4eSeschrock case EZFS_NOSPC: 14699653d4eSeschrock return (dgettext(TEXT_DOMAIN, "out of space")); 14799653d4eSeschrock case EZFS_IO: 14899653d4eSeschrock return (dgettext(TEXT_DOMAIN, "I/O error")); 14999653d4eSeschrock case EZFS_INTR: 15099653d4eSeschrock return (dgettext(TEXT_DOMAIN, "signal received")); 15199653d4eSeschrock case EZFS_ISSPARE: 15299653d4eSeschrock return (dgettext(TEXT_DOMAIN, "device is reserved as a hot " 15399653d4eSeschrock "spare")); 15499653d4eSeschrock case EZFS_INVALCONFIG: 15599653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid vdev configuration")); 1563bb79becSeschrock case EZFS_RECURSIVE: 1573bb79becSeschrock return (dgettext(TEXT_DOMAIN, "recursive dataset dependency")); 15806eeb2adSek case EZFS_NOHISTORY: 15906eeb2adSek return (dgettext(TEXT_DOMAIN, "no history available")); 160f3861e1aSahl case EZFS_UNSHAREISCSIFAILED: 161f3861e1aSahl return (dgettext(TEXT_DOMAIN, 162f3861e1aSahl "iscsitgtd failed request to unshare")); 163f3861e1aSahl case EZFS_SHAREISCSIFAILED: 164f3861e1aSahl return (dgettext(TEXT_DOMAIN, 165f3861e1aSahl "iscsitgtd failed request to share")); 166b1b8ab34Slling case EZFS_POOLPROPS: 167b1b8ab34Slling return (dgettext(TEXT_DOMAIN, "failed to retrieve " 168b1b8ab34Slling "pool properties")); 169b1b8ab34Slling case EZFS_POOL_NOTSUP: 170b1b8ab34Slling return (dgettext(TEXT_DOMAIN, "operation not supported " 171b1b8ab34Slling "on this type of pool")); 172b1b8ab34Slling case EZFS_POOL_INVALARG: 173b1b8ab34Slling return (dgettext(TEXT_DOMAIN, "invalid argument for " 174b1b8ab34Slling "this pool operation")); 175b7661cccSmmusante case EZFS_NAMETOOLONG: 176b7661cccSmmusante return (dgettext(TEXT_DOMAIN, "dataset name is too long")); 1778488aeb5Staylor case EZFS_OPENFAILED: 1788488aeb5Staylor return (dgettext(TEXT_DOMAIN, "open failed")); 1798488aeb5Staylor case EZFS_NOCAP: 1808488aeb5Staylor return (dgettext(TEXT_DOMAIN, 1818488aeb5Staylor "disk capacity information could not be retrieved")); 1828488aeb5Staylor case EZFS_LABELFAILED: 1838488aeb5Staylor return (dgettext(TEXT_DOMAIN, "write of label failed")); 184ecd6cf80Smarks case EZFS_BADWHO: 185ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "invalid user/group")); 186ecd6cf80Smarks case EZFS_BADPERM: 187ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "invalid permission")); 188ecd6cf80Smarks case EZFS_BADPERMSET: 189ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "invalid permission set name")); 190ecd6cf80Smarks case EZFS_NODELEGATION: 191ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "delegated administration is " 192ecd6cf80Smarks "disabled on pool")); 193ecd6cf80Smarks case EZFS_PERMRDONLY: 194ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "snapshot permissions cannot be" 195ecd6cf80Smarks " modified")); 1962f8aaab3Seschrock case EZFS_BADCACHE: 1972f8aaab3Seschrock return (dgettext(TEXT_DOMAIN, "invalid or missing cache file")); 198fa94a07fSbrendan case EZFS_ISL2CACHE: 199fa94a07fSbrendan return (dgettext(TEXT_DOMAIN, "device is in use as a cache")); 200e7cbe64fSgw case EZFS_VDEVNOTSUP: 201e7cbe64fSgw return (dgettext(TEXT_DOMAIN, "vdev specification is not " 202e7cbe64fSgw "supported")); 20315e6edf1Sgw case EZFS_NOTSUP: 20415e6edf1Sgw return (dgettext(TEXT_DOMAIN, "operation not supported " 20515e6edf1Sgw "on this dataset")); 20689a89ebfSlling case EZFS_ACTIVE_SPARE: 20789a89ebfSlling return (dgettext(TEXT_DOMAIN, "pool has active shared spare " 20889a89ebfSlling "device")); 209e6ca193dSGeorge Wilson case EZFS_UNPLAYED_LOGS: 210e6ca193dSGeorge Wilson return (dgettext(TEXT_DOMAIN, "log device has unplayed intent " 211e6ca193dSGeorge Wilson "logs")); 212842727c2SChris Kirby case EZFS_REFTAG_RELE: 213842727c2SChris Kirby return (dgettext(TEXT_DOMAIN, "no such tag on this dataset")); 214842727c2SChris Kirby case EZFS_REFTAG_HOLD: 215842727c2SChris Kirby return (dgettext(TEXT_DOMAIN, "tag already exists on this " 216842727c2SChris Kirby "dataset")); 217ca45db41SChris Kirby case EZFS_TAGTOOLONG: 218ca45db41SChris Kirby return (dgettext(TEXT_DOMAIN, "tag too long")); 2199e69d7d0SLori Alt case EZFS_PIPEFAILED: 2209e69d7d0SLori Alt return (dgettext(TEXT_DOMAIN, "pipe create failed")); 2219e69d7d0SLori Alt case EZFS_THREADCREATEFAILED: 2229e69d7d0SLori Alt return (dgettext(TEXT_DOMAIN, "thread create failed")); 223*1195e687SMark J Musante case EZFS_POSTSPLIT_ONLINE: 224*1195e687SMark J Musante return (dgettext(TEXT_DOMAIN, "disk was split from this pool " 225*1195e687SMark J Musante "into a new one")); 22699653d4eSeschrock case EZFS_UNKNOWN: 22799653d4eSeschrock return (dgettext(TEXT_DOMAIN, "unknown error")); 22899653d4eSeschrock default: 229c08432ebSeschrock assert(hdl->libzfs_error == 0); 230c08432ebSeschrock return (dgettext(TEXT_DOMAIN, "no error")); 23199653d4eSeschrock } 23299653d4eSeschrock } 23399653d4eSeschrock 23499653d4eSeschrock /*PRINTFLIKE2*/ 235fa9e4066Sahrens void 23699653d4eSeschrock zfs_error_aux(libzfs_handle_t *hdl, const char *fmt, ...) 237fa9e4066Sahrens { 238fa9e4066Sahrens va_list ap; 239fa9e4066Sahrens 240fa9e4066Sahrens va_start(ap, fmt); 241fa9e4066Sahrens 24299653d4eSeschrock (void) vsnprintf(hdl->libzfs_desc, sizeof (hdl->libzfs_desc), 24399653d4eSeschrock fmt, ap); 24499653d4eSeschrock hdl->libzfs_desc_active = 1; 24599653d4eSeschrock 24699653d4eSeschrock va_end(ap); 24799653d4eSeschrock } 24899653d4eSeschrock 24999653d4eSeschrock static void 25099653d4eSeschrock zfs_verror(libzfs_handle_t *hdl, int error, const char *fmt, va_list ap) 25199653d4eSeschrock { 25299653d4eSeschrock (void) vsnprintf(hdl->libzfs_action, sizeof (hdl->libzfs_action), 25399653d4eSeschrock fmt, ap); 25499653d4eSeschrock hdl->libzfs_error = error; 25599653d4eSeschrock 25699653d4eSeschrock if (hdl->libzfs_desc_active) 25799653d4eSeschrock hdl->libzfs_desc_active = 0; 25899653d4eSeschrock else 25999653d4eSeschrock hdl->libzfs_desc[0] = '\0'; 26099653d4eSeschrock 26199653d4eSeschrock if (hdl->libzfs_printerr) { 26299653d4eSeschrock if (error == EZFS_UNKNOWN) { 26399653d4eSeschrock (void) fprintf(stderr, dgettext(TEXT_DOMAIN, "internal " 26499653d4eSeschrock "error: %s\n"), libzfs_error_description(hdl)); 26599653d4eSeschrock abort(); 26699653d4eSeschrock } 26799653d4eSeschrock 26899653d4eSeschrock (void) fprintf(stderr, "%s: %s\n", hdl->libzfs_action, 269b1b8ab34Slling libzfs_error_description(hdl)); 27099653d4eSeschrock if (error == EZFS_NOMEM) 27199653d4eSeschrock exit(1); 272fa9e4066Sahrens } 27399653d4eSeschrock } 27499653d4eSeschrock 275ece3d9b3Slling int 276ece3d9b3Slling zfs_error(libzfs_handle_t *hdl, int error, const char *msg) 277ece3d9b3Slling { 278ece3d9b3Slling return (zfs_error_fmt(hdl, error, "%s", msg)); 279ece3d9b3Slling } 280ece3d9b3Slling 28199653d4eSeschrock /*PRINTFLIKE3*/ 28299653d4eSeschrock int 283ece3d9b3Slling zfs_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) 28499653d4eSeschrock { 28599653d4eSeschrock va_list ap; 28699653d4eSeschrock 28799653d4eSeschrock va_start(ap, fmt); 28899653d4eSeschrock 28999653d4eSeschrock zfs_verror(hdl, error, fmt, ap); 290fa9e4066Sahrens 291fa9e4066Sahrens va_end(ap); 29299653d4eSeschrock 29399653d4eSeschrock return (-1); 294fa9e4066Sahrens } 295fa9e4066Sahrens 29699653d4eSeschrock static int 29799653d4eSeschrock zfs_common_error(libzfs_handle_t *hdl, int error, const char *fmt, 29899653d4eSeschrock va_list ap) 29999653d4eSeschrock { 30099653d4eSeschrock switch (error) { 30199653d4eSeschrock case EPERM: 30299653d4eSeschrock case EACCES: 30399653d4eSeschrock zfs_verror(hdl, EZFS_PERM, fmt, ap); 30499653d4eSeschrock return (-1); 30599653d4eSeschrock 306ecd6cf80Smarks case ECANCELED: 307ecd6cf80Smarks zfs_verror(hdl, EZFS_NODELEGATION, fmt, ap); 308ecd6cf80Smarks return (-1); 309ecd6cf80Smarks 31099653d4eSeschrock case EIO: 31199653d4eSeschrock zfs_verror(hdl, EZFS_IO, fmt, ap); 31299653d4eSeschrock return (-1); 31399653d4eSeschrock 31499653d4eSeschrock case EINTR: 31599653d4eSeschrock zfs_verror(hdl, EZFS_INTR, fmt, ap); 31699653d4eSeschrock return (-1); 31799653d4eSeschrock } 31899653d4eSeschrock 31999653d4eSeschrock return (0); 32099653d4eSeschrock } 32199653d4eSeschrock 322ece3d9b3Slling int 323ece3d9b3Slling zfs_standard_error(libzfs_handle_t *hdl, int error, const char *msg) 324ece3d9b3Slling { 325ece3d9b3Slling return (zfs_standard_error_fmt(hdl, error, "%s", msg)); 326ece3d9b3Slling } 327ece3d9b3Slling 32899653d4eSeschrock /*PRINTFLIKE3*/ 32999653d4eSeschrock int 330ece3d9b3Slling zfs_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) 331fa9e4066Sahrens { 332fa9e4066Sahrens va_list ap; 333fa9e4066Sahrens 334fa9e4066Sahrens va_start(ap, fmt); 335fa9e4066Sahrens 33699653d4eSeschrock if (zfs_common_error(hdl, error, fmt, ap) != 0) { 33799653d4eSeschrock va_end(ap); 33899653d4eSeschrock return (-1); 339fa9e4066Sahrens } 340fa9e4066Sahrens 34199653d4eSeschrock switch (error) { 34299653d4eSeschrock case ENXIO: 34397d9e3a6Sck case ENODEV: 34499653d4eSeschrock zfs_verror(hdl, EZFS_IO, fmt, ap); 34599653d4eSeschrock break; 34699653d4eSeschrock 34799653d4eSeschrock case ENOENT: 34899653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 34999653d4eSeschrock "dataset does not exist")); 35099653d4eSeschrock zfs_verror(hdl, EZFS_NOENT, fmt, ap); 35199653d4eSeschrock break; 35299653d4eSeschrock 35399653d4eSeschrock case ENOSPC: 35499653d4eSeschrock case EDQUOT: 35599653d4eSeschrock zfs_verror(hdl, EZFS_NOSPC, fmt, ap); 35699653d4eSeschrock return (-1); 35799653d4eSeschrock 35899653d4eSeschrock case EEXIST: 35999653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 36099653d4eSeschrock "dataset already exists")); 36199653d4eSeschrock zfs_verror(hdl, EZFS_EXISTS, fmt, ap); 36299653d4eSeschrock break; 36399653d4eSeschrock 36499653d4eSeschrock case EBUSY: 36599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 36699653d4eSeschrock "dataset is busy")); 36799653d4eSeschrock zfs_verror(hdl, EZFS_BUSY, fmt, ap); 36899653d4eSeschrock break; 369ecd6cf80Smarks case EROFS: 370ecd6cf80Smarks zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 371ecd6cf80Smarks "snapshot permissions cannot be modified")); 372ecd6cf80Smarks zfs_verror(hdl, EZFS_PERMRDONLY, fmt, ap); 373ecd6cf80Smarks break; 374b7661cccSmmusante case ENAMETOOLONG: 375b7661cccSmmusante zfs_verror(hdl, EZFS_NAMETOOLONG, fmt, ap); 376b7661cccSmmusante break; 37740ff3960Sck case ENOTSUP: 37840ff3960Sck zfs_verror(hdl, EZFS_BADVERSION, fmt, ap); 37940ff3960Sck break; 38054d692b7SGeorge Wilson case EAGAIN: 38154d692b7SGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 38254d692b7SGeorge Wilson "pool I/O is currently suspended")); 38354d692b7SGeorge Wilson zfs_verror(hdl, EZFS_POOLUNAVAIL, fmt, ap); 38454d692b7SGeorge Wilson break; 38599653d4eSeschrock default: 38692241e0bSTom Erickson zfs_error_aux(hdl, strerror(error)); 38799653d4eSeschrock zfs_verror(hdl, EZFS_UNKNOWN, fmt, ap); 38899653d4eSeschrock break; 38999653d4eSeschrock } 39099653d4eSeschrock 39199653d4eSeschrock va_end(ap); 39299653d4eSeschrock return (-1); 393fa9e4066Sahrens } 394fa9e4066Sahrens 395ece3d9b3Slling int 396ece3d9b3Slling zpool_standard_error(libzfs_handle_t *hdl, int error, const char *msg) 397ece3d9b3Slling { 398ece3d9b3Slling return (zpool_standard_error_fmt(hdl, error, "%s", msg)); 399ece3d9b3Slling } 400ece3d9b3Slling 40199653d4eSeschrock /*PRINTFLIKE3*/ 40299653d4eSeschrock int 403ece3d9b3Slling zpool_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) 404fa9e4066Sahrens { 40599653d4eSeschrock va_list ap; 40699653d4eSeschrock 40799653d4eSeschrock va_start(ap, fmt); 40899653d4eSeschrock 40999653d4eSeschrock if (zfs_common_error(hdl, error, fmt, ap) != 0) { 41099653d4eSeschrock va_end(ap); 41199653d4eSeschrock return (-1); 41299653d4eSeschrock } 41399653d4eSeschrock 41499653d4eSeschrock switch (error) { 41599653d4eSeschrock case ENODEV: 41699653d4eSeschrock zfs_verror(hdl, EZFS_NODEVICE, fmt, ap); 41799653d4eSeschrock break; 41899653d4eSeschrock 41999653d4eSeschrock case ENOENT: 420b1b8ab34Slling zfs_error_aux(hdl, 421b1b8ab34Slling dgettext(TEXT_DOMAIN, "no such pool or dataset")); 42299653d4eSeschrock zfs_verror(hdl, EZFS_NOENT, fmt, ap); 42399653d4eSeschrock break; 42499653d4eSeschrock 42599653d4eSeschrock case EEXIST: 42699653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 42799653d4eSeschrock "pool already exists")); 42899653d4eSeschrock zfs_verror(hdl, EZFS_EXISTS, fmt, ap); 42999653d4eSeschrock break; 43099653d4eSeschrock 43199653d4eSeschrock case EBUSY: 43299653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool is busy")); 43343afaaa8SEric Schrock zfs_verror(hdl, EZFS_BUSY, fmt, ap); 43499653d4eSeschrock break; 43599653d4eSeschrock 43699653d4eSeschrock case ENXIO: 43799653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 43899653d4eSeschrock "one or more devices is currently unavailable")); 43999653d4eSeschrock zfs_verror(hdl, EZFS_BADDEV, fmt, ap); 44099653d4eSeschrock break; 44199653d4eSeschrock 44299653d4eSeschrock case ENAMETOOLONG: 44399653d4eSeschrock zfs_verror(hdl, EZFS_DEVOVERFLOW, fmt, ap); 44499653d4eSeschrock break; 44599653d4eSeschrock 446b1b8ab34Slling case ENOTSUP: 447b1b8ab34Slling zfs_verror(hdl, EZFS_POOL_NOTSUP, fmt, ap); 448b1b8ab34Slling break; 449b1b8ab34Slling 450b1b8ab34Slling case EINVAL: 451b1b8ab34Slling zfs_verror(hdl, EZFS_POOL_INVALARG, fmt, ap); 452b1b8ab34Slling break; 453b1b8ab34Slling 454ecd6cf80Smarks case ENOSPC: 455ecd6cf80Smarks case EDQUOT: 456ecd6cf80Smarks zfs_verror(hdl, EZFS_NOSPC, fmt, ap); 457ecd6cf80Smarks return (-1); 45854d692b7SGeorge Wilson case EAGAIN: 45954d692b7SGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 46054d692b7SGeorge Wilson "pool I/O is currently suspended")); 46154d692b7SGeorge Wilson zfs_verror(hdl, EZFS_POOLUNAVAIL, fmt, ap); 46254d692b7SGeorge Wilson break; 463ecd6cf80Smarks 46499653d4eSeschrock default: 46599653d4eSeschrock zfs_error_aux(hdl, strerror(error)); 46699653d4eSeschrock zfs_verror(hdl, EZFS_UNKNOWN, fmt, ap); 46799653d4eSeschrock } 46899653d4eSeschrock 46999653d4eSeschrock va_end(ap); 47099653d4eSeschrock return (-1); 471fa9e4066Sahrens } 472fa9e4066Sahrens 473fa9e4066Sahrens /* 474fa9e4066Sahrens * Display an out of memory error message and abort the current program. 475fa9e4066Sahrens */ 47699653d4eSeschrock int 47799653d4eSeschrock no_memory(libzfs_handle_t *hdl) 478fa9e4066Sahrens { 47999653d4eSeschrock return (zfs_error(hdl, EZFS_NOMEM, "internal error")); 480fa9e4066Sahrens } 481fa9e4066Sahrens 482fa9e4066Sahrens /* 483fa9e4066Sahrens * A safe form of malloc() which will die if the allocation fails. 484fa9e4066Sahrens */ 485fa9e4066Sahrens void * 48699653d4eSeschrock zfs_alloc(libzfs_handle_t *hdl, size_t size) 487fa9e4066Sahrens { 488fa9e4066Sahrens void *data; 489fa9e4066Sahrens 490fa9e4066Sahrens if ((data = calloc(1, size)) == NULL) 49199653d4eSeschrock (void) no_memory(hdl); 492fa9e4066Sahrens 493fa9e4066Sahrens return (data); 494fa9e4066Sahrens } 495fa9e4066Sahrens 496e9dbad6fSeschrock /* 497e9dbad6fSeschrock * A safe form of realloc(), which also zeroes newly allocated space. 498e9dbad6fSeschrock */ 499e9dbad6fSeschrock void * 500e9dbad6fSeschrock zfs_realloc(libzfs_handle_t *hdl, void *ptr, size_t oldsize, size_t newsize) 501e9dbad6fSeschrock { 502e9dbad6fSeschrock void *ret; 503e9dbad6fSeschrock 504e9dbad6fSeschrock if ((ret = realloc(ptr, newsize)) == NULL) { 505e9dbad6fSeschrock (void) no_memory(hdl); 506e9dbad6fSeschrock return (NULL); 507e9dbad6fSeschrock } 508e9dbad6fSeschrock 509e9dbad6fSeschrock bzero((char *)ret + oldsize, (newsize - oldsize)); 510e9dbad6fSeschrock return (ret); 511e9dbad6fSeschrock } 512e9dbad6fSeschrock 513fa9e4066Sahrens /* 514fa9e4066Sahrens * A safe form of strdup() which will die if the allocation fails. 515fa9e4066Sahrens */ 516fa9e4066Sahrens char * 51799653d4eSeschrock zfs_strdup(libzfs_handle_t *hdl, const char *str) 518fa9e4066Sahrens { 519fa9e4066Sahrens char *ret; 520fa9e4066Sahrens 521fa9e4066Sahrens if ((ret = strdup(str)) == NULL) 52299653d4eSeschrock (void) no_memory(hdl); 523fa9e4066Sahrens 524fa9e4066Sahrens return (ret); 525fa9e4066Sahrens } 526fa9e4066Sahrens 527fa9e4066Sahrens /* 528fa9e4066Sahrens * Convert a number to an appropriately human-readable output. 529fa9e4066Sahrens */ 530fa9e4066Sahrens void 531fa9e4066Sahrens zfs_nicenum(uint64_t num, char *buf, size_t buflen) 532fa9e4066Sahrens { 533fa9e4066Sahrens uint64_t n = num; 534fa9e4066Sahrens int index = 0; 535fa9e4066Sahrens char u; 536fa9e4066Sahrens 537fa9e4066Sahrens while (n >= 1024) { 5385c709891Seschrock n /= 1024; 539fa9e4066Sahrens index++; 540fa9e4066Sahrens } 541fa9e4066Sahrens 542fa9e4066Sahrens u = " KMGTPE"[index]; 543fa9e4066Sahrens 5445c709891Seschrock if (index == 0) { 545fa9e4066Sahrens (void) snprintf(buf, buflen, "%llu", n); 5465c709891Seschrock } else if ((num & ((1ULL << 10 * index) - 1)) == 0) { 5475c709891Seschrock /* 5485c709891Seschrock * If this is an even multiple of the base, always display 5495c709891Seschrock * without any decimal precision. 5505c709891Seschrock */ 551fa9e4066Sahrens (void) snprintf(buf, buflen, "%llu%c", n, u); 5525c709891Seschrock } else { 5535c709891Seschrock /* 5545c709891Seschrock * We want to choose a precision that reflects the best choice 5555c709891Seschrock * for fitting in 5 characters. This can get rather tricky when 5565c709891Seschrock * we have numbers that are very close to an order of magnitude. 5575c709891Seschrock * For example, when displaying 10239 (which is really 9.999K), 5585c709891Seschrock * we want only a single place of precision for 10.0K. We could 5595c709891Seschrock * develop some complex heuristics for this, but it's much 5605c709891Seschrock * easier just to try each combination in turn. 5615c709891Seschrock */ 5625c709891Seschrock int i; 5635c709891Seschrock for (i = 2; i >= 0; i--) { 5643d7072f8Seschrock if (snprintf(buf, buflen, "%.*f%c", i, 5653d7072f8Seschrock (double)num / (1ULL << 10 * index), u) <= 5) 5665c709891Seschrock break; 5675c709891Seschrock } 5685c709891Seschrock } 569fa9e4066Sahrens } 57099653d4eSeschrock 57199653d4eSeschrock void 57299653d4eSeschrock libzfs_print_on_error(libzfs_handle_t *hdl, boolean_t printerr) 57399653d4eSeschrock { 57499653d4eSeschrock hdl->libzfs_printerr = printerr; 57599653d4eSeschrock } 57699653d4eSeschrock 57799653d4eSeschrock libzfs_handle_t * 57899653d4eSeschrock libzfs_init(void) 57999653d4eSeschrock { 58099653d4eSeschrock libzfs_handle_t *hdl; 58199653d4eSeschrock 58299653d4eSeschrock if ((hdl = calloc(sizeof (libzfs_handle_t), 1)) == NULL) { 58399653d4eSeschrock return (NULL); 58499653d4eSeschrock } 58599653d4eSeschrock 586c08432ebSeschrock if ((hdl->libzfs_fd = open(ZFS_DEV, O_RDWR)) < 0) { 58799653d4eSeschrock free(hdl); 58899653d4eSeschrock return (NULL); 58999653d4eSeschrock } 59099653d4eSeschrock 59199653d4eSeschrock if ((hdl->libzfs_mnttab = fopen(MNTTAB, "r")) == NULL) { 59299653d4eSeschrock (void) close(hdl->libzfs_fd); 59399653d4eSeschrock free(hdl); 59499653d4eSeschrock return (NULL); 59599653d4eSeschrock } 59699653d4eSeschrock 59799653d4eSeschrock hdl->libzfs_sharetab = fopen("/etc/dfs/sharetab", "r"); 59899653d4eSeschrock 59991ebeef5Sahrens zfs_prop_init(); 600990b4856Slling zpool_prop_init(); 601b2634b9cSEric Taylor libzfs_mnttab_init(hdl); 60291ebeef5Sahrens 60399653d4eSeschrock return (hdl); 60499653d4eSeschrock } 60599653d4eSeschrock 60699653d4eSeschrock void 60799653d4eSeschrock libzfs_fini(libzfs_handle_t *hdl) 60899653d4eSeschrock { 60999653d4eSeschrock (void) close(hdl->libzfs_fd); 61099653d4eSeschrock if (hdl->libzfs_mnttab) 61199653d4eSeschrock (void) fclose(hdl->libzfs_mnttab); 61299653d4eSeschrock if (hdl->libzfs_sharetab) 61399653d4eSeschrock (void) fclose(hdl->libzfs_sharetab); 61467331909Sdougm zfs_uninit_libshare(hdl); 615ecd6cf80Smarks if (hdl->libzfs_log_str) 616ecd6cf80Smarks (void) free(hdl->libzfs_log_str); 61729ab75c9Srm zpool_free_handles(hdl); 618069f55e2SEric Schrock libzfs_fru_clear(hdl, B_TRUE); 61999653d4eSeschrock namespace_clear(hdl); 620b2634b9cSEric Taylor libzfs_mnttab_fini(hdl); 62199653d4eSeschrock free(hdl); 62299653d4eSeschrock } 62399653d4eSeschrock 62499653d4eSeschrock libzfs_handle_t * 62599653d4eSeschrock zpool_get_handle(zpool_handle_t *zhp) 62699653d4eSeschrock { 62799653d4eSeschrock return (zhp->zpool_hdl); 62899653d4eSeschrock } 62999653d4eSeschrock 63099653d4eSeschrock libzfs_handle_t * 63199653d4eSeschrock zfs_get_handle(zfs_handle_t *zhp) 63299653d4eSeschrock { 63399653d4eSeschrock return (zhp->zfs_hdl); 63499653d4eSeschrock } 635e9dbad6fSeschrock 636d5b5bb25SRich Morris zpool_handle_t * 637d5b5bb25SRich Morris zfs_get_pool_handle(const zfs_handle_t *zhp) 638d5b5bb25SRich Morris { 639d5b5bb25SRich Morris return (zhp->zpool_hdl); 640d5b5bb25SRich Morris } 641d5b5bb25SRich Morris 6425aba80dbSck /* 6435aba80dbSck * Given a name, determine whether or not it's a valid path 6445aba80dbSck * (starts with '/' or "./"). If so, walk the mnttab trying 6455aba80dbSck * to match the device number. If not, treat the path as an 6465aba80dbSck * fs/vol/snap name. 6475aba80dbSck */ 6485aba80dbSck zfs_handle_t * 6495aba80dbSck zfs_path_to_zhandle(libzfs_handle_t *hdl, char *path, zfs_type_t argtype) 6505aba80dbSck { 6515aba80dbSck struct stat64 statbuf; 6525aba80dbSck struct extmnttab entry; 6535aba80dbSck int ret; 6545aba80dbSck 6555aba80dbSck if (path[0] != '/' && strncmp(path, "./", strlen("./")) != 0) { 6565aba80dbSck /* 6575aba80dbSck * It's not a valid path, assume it's a name of type 'argtype'. 6585aba80dbSck */ 6595aba80dbSck return (zfs_open(hdl, path, argtype)); 6605aba80dbSck } 6615aba80dbSck 6625aba80dbSck if (stat64(path, &statbuf) != 0) { 6635aba80dbSck (void) fprintf(stderr, "%s: %s\n", path, strerror(errno)); 6645aba80dbSck return (NULL); 6655aba80dbSck } 6665aba80dbSck 6675aba80dbSck rewind(hdl->libzfs_mnttab); 6685aba80dbSck while ((ret = getextmntent(hdl->libzfs_mnttab, &entry, 0)) == 0) { 6695aba80dbSck if (makedevice(entry.mnt_major, entry.mnt_minor) == 6705aba80dbSck statbuf.st_dev) { 6715aba80dbSck break; 6725aba80dbSck } 6735aba80dbSck } 6745aba80dbSck if (ret != 0) { 6755aba80dbSck return (NULL); 6765aba80dbSck } 6775aba80dbSck 6785aba80dbSck if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) { 6795aba80dbSck (void) fprintf(stderr, gettext("'%s': not a ZFS filesystem\n"), 6805aba80dbSck path); 6815aba80dbSck return (NULL); 6825aba80dbSck } 6835aba80dbSck 6845aba80dbSck return (zfs_open(hdl, entry.mnt_special, ZFS_TYPE_FILESYSTEM)); 6855aba80dbSck } 6865aba80dbSck 687e9dbad6fSeschrock /* 688e9dbad6fSeschrock * Initialize the zc_nvlist_dst member to prepare for receiving an nvlist from 689e9dbad6fSeschrock * an ioctl(). 690e9dbad6fSeschrock */ 691e9dbad6fSeschrock int 692e9dbad6fSeschrock zcmd_alloc_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, size_t len) 693e9dbad6fSeschrock { 694e9dbad6fSeschrock if (len == 0) 6959966ca11SMatthew Ahrens len = 4*1024; 696e9dbad6fSeschrock zc->zc_nvlist_dst_size = len; 697e9dbad6fSeschrock if ((zc->zc_nvlist_dst = (uint64_t)(uintptr_t) 698e9dbad6fSeschrock zfs_alloc(hdl, zc->zc_nvlist_dst_size)) == NULL) 699e9dbad6fSeschrock return (-1); 700e9dbad6fSeschrock 701e9dbad6fSeschrock return (0); 702e9dbad6fSeschrock } 703e9dbad6fSeschrock 704e9dbad6fSeschrock /* 705e9dbad6fSeschrock * Called when an ioctl() which returns an nvlist fails with ENOMEM. This will 706e9dbad6fSeschrock * expand the nvlist to the size specified in 'zc_nvlist_dst_size', which was 707e9dbad6fSeschrock * filled in by the kernel to indicate the actual required size. 708e9dbad6fSeschrock */ 709e9dbad6fSeschrock int 710e9dbad6fSeschrock zcmd_expand_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc) 711e9dbad6fSeschrock { 712e9dbad6fSeschrock free((void *)(uintptr_t)zc->zc_nvlist_dst); 713e9dbad6fSeschrock if ((zc->zc_nvlist_dst = (uint64_t)(uintptr_t) 714e9dbad6fSeschrock zfs_alloc(hdl, zc->zc_nvlist_dst_size)) 715e9dbad6fSeschrock == NULL) 716e9dbad6fSeschrock return (-1); 717e9dbad6fSeschrock 718e9dbad6fSeschrock return (0); 719e9dbad6fSeschrock } 720e9dbad6fSeschrock 721e9dbad6fSeschrock /* 722a2eea2e1Sahrens * Called to free the src and dst nvlists stored in the command structure. 723e9dbad6fSeschrock */ 724e9dbad6fSeschrock void 725e9dbad6fSeschrock zcmd_free_nvlists(zfs_cmd_t *zc) 726e9dbad6fSeschrock { 727990b4856Slling free((void *)(uintptr_t)zc->zc_nvlist_conf); 728e9dbad6fSeschrock free((void *)(uintptr_t)zc->zc_nvlist_src); 729e9dbad6fSeschrock free((void *)(uintptr_t)zc->zc_nvlist_dst); 730e9dbad6fSeschrock } 731e9dbad6fSeschrock 732990b4856Slling static int 733990b4856Slling zcmd_write_nvlist_com(libzfs_handle_t *hdl, uint64_t *outnv, uint64_t *outlen, 734990b4856Slling nvlist_t *nvl) 735e9dbad6fSeschrock { 736e9dbad6fSeschrock char *packed; 737e9dbad6fSeschrock size_t len; 738e9dbad6fSeschrock 739e9dbad6fSeschrock verify(nvlist_size(nvl, &len, NV_ENCODE_NATIVE) == 0); 740e9dbad6fSeschrock 741e9dbad6fSeschrock if ((packed = zfs_alloc(hdl, len)) == NULL) 742e9dbad6fSeschrock return (-1); 743e9dbad6fSeschrock 744e9dbad6fSeschrock verify(nvlist_pack(nvl, &packed, &len, NV_ENCODE_NATIVE, 0) == 0); 745e9dbad6fSeschrock 746990b4856Slling *outnv = (uint64_t)(uintptr_t)packed; 747990b4856Slling *outlen = len; 748e9dbad6fSeschrock 749e9dbad6fSeschrock return (0); 750e9dbad6fSeschrock } 751e9dbad6fSeschrock 752990b4856Slling int 753990b4856Slling zcmd_write_conf_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t *nvl) 754990b4856Slling { 755990b4856Slling return (zcmd_write_nvlist_com(hdl, &zc->zc_nvlist_conf, 756990b4856Slling &zc->zc_nvlist_conf_size, nvl)); 757990b4856Slling } 758990b4856Slling 759990b4856Slling int 760990b4856Slling zcmd_write_src_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t *nvl) 761990b4856Slling { 762990b4856Slling return (zcmd_write_nvlist_com(hdl, &zc->zc_nvlist_src, 763990b4856Slling &zc->zc_nvlist_src_size, nvl)); 764990b4856Slling } 765990b4856Slling 766e9dbad6fSeschrock /* 767e9dbad6fSeschrock * Unpacks an nvlist from the ZFS ioctl command structure. 768e9dbad6fSeschrock */ 769e9dbad6fSeschrock int 770e9dbad6fSeschrock zcmd_read_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t **nvlp) 771e9dbad6fSeschrock { 772e9dbad6fSeschrock if (nvlist_unpack((void *)(uintptr_t)zc->zc_nvlist_dst, 773e9dbad6fSeschrock zc->zc_nvlist_dst_size, nvlp, 0) != 0) 774e9dbad6fSeschrock return (no_memory(hdl)); 775e9dbad6fSeschrock 776e9dbad6fSeschrock return (0); 777e9dbad6fSeschrock } 778b1b8ab34Slling 779990b4856Slling int 780990b4856Slling zfs_ioctl(libzfs_handle_t *hdl, int request, zfs_cmd_t *zc) 781990b4856Slling { 782990b4856Slling int error; 783990b4856Slling 784990b4856Slling zc->zc_history = (uint64_t)(uintptr_t)hdl->libzfs_log_str; 785990b4856Slling error = ioctl(hdl->libzfs_fd, request, zc); 786990b4856Slling if (hdl->libzfs_log_str) { 787990b4856Slling free(hdl->libzfs_log_str); 788990b4856Slling hdl->libzfs_log_str = NULL; 789990b4856Slling } 790990b4856Slling zc->zc_history = 0; 791990b4856Slling 792990b4856Slling return (error); 793990b4856Slling } 794990b4856Slling 795990b4856Slling /* 796990b4856Slling * ================================================================ 797990b4856Slling * API shared by zfs and zpool property management 798990b4856Slling * ================================================================ 799990b4856Slling */ 800990b4856Slling 801b1b8ab34Slling static void 802990b4856Slling zprop_print_headers(zprop_get_cbdata_t *cbp, zfs_type_t type) 803b1b8ab34Slling { 804990b4856Slling zprop_list_t *pl = cbp->cb_proplist; 805b1b8ab34Slling int i; 806b1b8ab34Slling char *title; 807b1b8ab34Slling size_t len; 808b1b8ab34Slling 809b1b8ab34Slling cbp->cb_first = B_FALSE; 810b1b8ab34Slling if (cbp->cb_scripted) 811b1b8ab34Slling return; 812b1b8ab34Slling 813b1b8ab34Slling /* 814b1b8ab34Slling * Start with the length of the column headers. 815b1b8ab34Slling */ 816b1b8ab34Slling cbp->cb_colwidths[GET_COL_NAME] = strlen(dgettext(TEXT_DOMAIN, "NAME")); 817b1b8ab34Slling cbp->cb_colwidths[GET_COL_PROPERTY] = strlen(dgettext(TEXT_DOMAIN, 818b1b8ab34Slling "PROPERTY")); 819b1b8ab34Slling cbp->cb_colwidths[GET_COL_VALUE] = strlen(dgettext(TEXT_DOMAIN, 820b1b8ab34Slling "VALUE")); 82192241e0bSTom Erickson cbp->cb_colwidths[GET_COL_RECVD] = strlen(dgettext(TEXT_DOMAIN, 82292241e0bSTom Erickson "RECEIVED")); 823b1b8ab34Slling cbp->cb_colwidths[GET_COL_SOURCE] = strlen(dgettext(TEXT_DOMAIN, 824b1b8ab34Slling "SOURCE")); 825b1b8ab34Slling 826deb8317bSMark J Musante /* first property is always NAME */ 827deb8317bSMark J Musante assert(cbp->cb_proplist->pl_prop == 828deb8317bSMark J Musante ((type == ZFS_TYPE_POOL) ? ZPOOL_PROP_NAME : ZFS_PROP_NAME)); 829deb8317bSMark J Musante 830b1b8ab34Slling /* 831b1b8ab34Slling * Go through and calculate the widths for each column. For the 832b1b8ab34Slling * 'source' column, we kludge it up by taking the worst-case scenario of 833b1b8ab34Slling * inheriting from the longest name. This is acceptable because in the 834b1b8ab34Slling * majority of cases 'SOURCE' is the last column displayed, and we don't 835b1b8ab34Slling * use the width anyway. Note that the 'VALUE' column can be oversized, 83692241e0bSTom Erickson * if the name of the property is much longer than any values we find. 837b1b8ab34Slling */ 838b1b8ab34Slling for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 839b1b8ab34Slling /* 840b1b8ab34Slling * 'PROPERTY' column 841b1b8ab34Slling */ 842990b4856Slling if (pl->pl_prop != ZPROP_INVAL) { 843990b4856Slling const char *propname = (type == ZFS_TYPE_POOL) ? 844990b4856Slling zpool_prop_to_name(pl->pl_prop) : 845990b4856Slling zfs_prop_to_name(pl->pl_prop); 846990b4856Slling 847990b4856Slling len = strlen(propname); 848b1b8ab34Slling if (len > cbp->cb_colwidths[GET_COL_PROPERTY]) 849b1b8ab34Slling cbp->cb_colwidths[GET_COL_PROPERTY] = len; 850b1b8ab34Slling } else { 851b1b8ab34Slling len = strlen(pl->pl_user_prop); 852b1b8ab34Slling if (len > cbp->cb_colwidths[GET_COL_PROPERTY]) 853b1b8ab34Slling cbp->cb_colwidths[GET_COL_PROPERTY] = len; 854b1b8ab34Slling } 855b1b8ab34Slling 856b1b8ab34Slling /* 857deb8317bSMark J Musante * 'VALUE' column. The first property is always the 'name' 858deb8317bSMark J Musante * property that was tacked on either by /sbin/zfs's 859deb8317bSMark J Musante * zfs_do_get() or when calling zprop_expand_list(), so we 860deb8317bSMark J Musante * ignore its width. If the user specified the name property 861deb8317bSMark J Musante * to display, then it will be later in the list in any case. 862b1b8ab34Slling */ 863deb8317bSMark J Musante if (pl != cbp->cb_proplist && 864b1b8ab34Slling pl->pl_width > cbp->cb_colwidths[GET_COL_VALUE]) 865b1b8ab34Slling cbp->cb_colwidths[GET_COL_VALUE] = pl->pl_width; 866b1b8ab34Slling 86792241e0bSTom Erickson /* 'RECEIVED' column. */ 86892241e0bSTom Erickson if (pl != cbp->cb_proplist && 86992241e0bSTom Erickson pl->pl_recvd_width > cbp->cb_colwidths[GET_COL_RECVD]) 87092241e0bSTom Erickson cbp->cb_colwidths[GET_COL_RECVD] = pl->pl_recvd_width; 87192241e0bSTom Erickson 872b1b8ab34Slling /* 873b1b8ab34Slling * 'NAME' and 'SOURCE' columns 874b1b8ab34Slling */ 875990b4856Slling if (pl->pl_prop == (type == ZFS_TYPE_POOL ? ZPOOL_PROP_NAME : 876990b4856Slling ZFS_PROP_NAME) && 877b1b8ab34Slling pl->pl_width > cbp->cb_colwidths[GET_COL_NAME]) { 878b1b8ab34Slling cbp->cb_colwidths[GET_COL_NAME] = pl->pl_width; 879b1b8ab34Slling cbp->cb_colwidths[GET_COL_SOURCE] = pl->pl_width + 880b1b8ab34Slling strlen(dgettext(TEXT_DOMAIN, "inherited from")); 881b1b8ab34Slling } 882b1b8ab34Slling } 883b1b8ab34Slling 884b1b8ab34Slling /* 885b1b8ab34Slling * Now go through and print the headers. 886b1b8ab34Slling */ 88792241e0bSTom Erickson for (i = 0; i < ZFS_GET_NCOLS; i++) { 888b1b8ab34Slling switch (cbp->cb_columns[i]) { 889b1b8ab34Slling case GET_COL_NAME: 890b1b8ab34Slling title = dgettext(TEXT_DOMAIN, "NAME"); 891b1b8ab34Slling break; 892b1b8ab34Slling case GET_COL_PROPERTY: 893b1b8ab34Slling title = dgettext(TEXT_DOMAIN, "PROPERTY"); 894b1b8ab34Slling break; 895b1b8ab34Slling case GET_COL_VALUE: 896b1b8ab34Slling title = dgettext(TEXT_DOMAIN, "VALUE"); 897b1b8ab34Slling break; 89892241e0bSTom Erickson case GET_COL_RECVD: 89992241e0bSTom Erickson title = dgettext(TEXT_DOMAIN, "RECEIVED"); 90092241e0bSTom Erickson break; 901b1b8ab34Slling case GET_COL_SOURCE: 902b1b8ab34Slling title = dgettext(TEXT_DOMAIN, "SOURCE"); 903b1b8ab34Slling break; 904b1b8ab34Slling default: 905b1b8ab34Slling title = NULL; 906b1b8ab34Slling } 907b1b8ab34Slling 908b1b8ab34Slling if (title != NULL) { 90992241e0bSTom Erickson if (i == (ZFS_GET_NCOLS - 1) || 91092241e0bSTom Erickson cbp->cb_columns[i + 1] == GET_COL_NONE) 911b1b8ab34Slling (void) printf("%s", title); 912b1b8ab34Slling else 913b1b8ab34Slling (void) printf("%-*s ", 914b1b8ab34Slling cbp->cb_colwidths[cbp->cb_columns[i]], 915b1b8ab34Slling title); 916b1b8ab34Slling } 917b1b8ab34Slling } 918b1b8ab34Slling (void) printf("\n"); 919b1b8ab34Slling } 920b1b8ab34Slling 921b1b8ab34Slling /* 922b1b8ab34Slling * Display a single line of output, according to the settings in the callback 923b1b8ab34Slling * structure. 924b1b8ab34Slling */ 925b1b8ab34Slling void 926990b4856Slling zprop_print_one_property(const char *name, zprop_get_cbdata_t *cbp, 927990b4856Slling const char *propname, const char *value, zprop_source_t sourcetype, 92892241e0bSTom Erickson const char *source, const char *recvd_value) 929b1b8ab34Slling { 930b1b8ab34Slling int i; 931b1b8ab34Slling const char *str; 932b1b8ab34Slling char buf[128]; 933b1b8ab34Slling 934b1b8ab34Slling /* 935b1b8ab34Slling * Ignore those source types that the user has chosen to ignore. 936b1b8ab34Slling */ 937b1b8ab34Slling if ((sourcetype & cbp->cb_sources) == 0) 938b1b8ab34Slling return; 939b1b8ab34Slling 940b1b8ab34Slling if (cbp->cb_first) 941990b4856Slling zprop_print_headers(cbp, cbp->cb_type); 942b1b8ab34Slling 94392241e0bSTom Erickson for (i = 0; i < ZFS_GET_NCOLS; i++) { 944b1b8ab34Slling switch (cbp->cb_columns[i]) { 945b1b8ab34Slling case GET_COL_NAME: 946b1b8ab34Slling str = name; 947b1b8ab34Slling break; 948b1b8ab34Slling 949b1b8ab34Slling case GET_COL_PROPERTY: 950b1b8ab34Slling str = propname; 951b1b8ab34Slling break; 952b1b8ab34Slling 953b1b8ab34Slling case GET_COL_VALUE: 954b1b8ab34Slling str = value; 955b1b8ab34Slling break; 956b1b8ab34Slling 957b1b8ab34Slling case GET_COL_SOURCE: 958b1b8ab34Slling switch (sourcetype) { 959990b4856Slling case ZPROP_SRC_NONE: 960b1b8ab34Slling str = "-"; 961b1b8ab34Slling break; 962b1b8ab34Slling 963990b4856Slling case ZPROP_SRC_DEFAULT: 964b1b8ab34Slling str = "default"; 965b1b8ab34Slling break; 966b1b8ab34Slling 967990b4856Slling case ZPROP_SRC_LOCAL: 968b1b8ab34Slling str = "local"; 969b1b8ab34Slling break; 970b1b8ab34Slling 971990b4856Slling case ZPROP_SRC_TEMPORARY: 972b1b8ab34Slling str = "temporary"; 973b1b8ab34Slling break; 974b1b8ab34Slling 975990b4856Slling case ZPROP_SRC_INHERITED: 976b1b8ab34Slling (void) snprintf(buf, sizeof (buf), 977b1b8ab34Slling "inherited from %s", source); 978b1b8ab34Slling str = buf; 979b1b8ab34Slling break; 98092241e0bSTom Erickson case ZPROP_SRC_RECEIVED: 98192241e0bSTom Erickson str = "received"; 98292241e0bSTom Erickson break; 983b1b8ab34Slling } 984b1b8ab34Slling break; 985b1b8ab34Slling 98692241e0bSTom Erickson case GET_COL_RECVD: 98792241e0bSTom Erickson str = (recvd_value == NULL ? "-" : recvd_value); 98892241e0bSTom Erickson break; 98992241e0bSTom Erickson 990b1b8ab34Slling default: 991b1b8ab34Slling continue; 992b1b8ab34Slling } 993b1b8ab34Slling 99492241e0bSTom Erickson if (cbp->cb_columns[i + 1] == GET_COL_NONE) 995b1b8ab34Slling (void) printf("%s", str); 996b1b8ab34Slling else if (cbp->cb_scripted) 997b1b8ab34Slling (void) printf("%s\t", str); 998b1b8ab34Slling else 999b1b8ab34Slling (void) printf("%-*s ", 1000b1b8ab34Slling cbp->cb_colwidths[cbp->cb_columns[i]], 1001b1b8ab34Slling str); 1002b1b8ab34Slling } 1003b1b8ab34Slling 1004b1b8ab34Slling (void) printf("\n"); 1005b1b8ab34Slling } 1006ecd6cf80Smarks 1007990b4856Slling /* 1008990b4856Slling * Given a numeric suffix, convert the value into a number of bits that the 1009990b4856Slling * resulting value must be shifted. 1010990b4856Slling */ 1011990b4856Slling static int 1012990b4856Slling str2shift(libzfs_handle_t *hdl, const char *buf) 1013990b4856Slling { 1014990b4856Slling const char *ends = "BKMGTPEZ"; 1015990b4856Slling int i; 1016990b4856Slling 1017990b4856Slling if (buf[0] == '\0') 1018990b4856Slling return (0); 1019990b4856Slling for (i = 0; i < strlen(ends); i++) { 1020990b4856Slling if (toupper(buf[0]) == ends[i]) 1021990b4856Slling break; 1022990b4856Slling } 1023990b4856Slling if (i == strlen(ends)) { 1024990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1025990b4856Slling "invalid numeric suffix '%s'"), buf); 1026990b4856Slling return (-1); 1027990b4856Slling } 1028990b4856Slling 1029990b4856Slling /* 1030990b4856Slling * We want to allow trailing 'b' characters for 'GB' or 'Mb'. But don't 1031990b4856Slling * allow 'BB' - that's just weird. 1032990b4856Slling */ 1033990b4856Slling if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0' && 1034990b4856Slling toupper(buf[0]) != 'B')) 1035990b4856Slling return (10*i); 1036990b4856Slling 1037990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1038990b4856Slling "invalid numeric suffix '%s'"), buf); 1039990b4856Slling return (-1); 1040990b4856Slling } 1041990b4856Slling 1042990b4856Slling /* 1043990b4856Slling * Convert a string of the form '100G' into a real number. Used when setting 1044990b4856Slling * properties or creating a volume. 'buf' is used to place an extended error 1045990b4856Slling * message for the caller to use. 1046990b4856Slling */ 1047ecd6cf80Smarks int 1048990b4856Slling zfs_nicestrtonum(libzfs_handle_t *hdl, const char *value, uint64_t *num) 1049ecd6cf80Smarks { 1050990b4856Slling char *end; 1051990b4856Slling int shift; 1052ecd6cf80Smarks 1053990b4856Slling *num = 0; 1054990b4856Slling 1055990b4856Slling /* Check to see if this looks like a number. */ 1056990b4856Slling if ((value[0] < '0' || value[0] > '9') && value[0] != '.') { 1057990b4856Slling if (hdl) 1058990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1059990b4856Slling "bad numeric value '%s'"), value); 1060990b4856Slling return (-1); 1061ecd6cf80Smarks } 1062ecd6cf80Smarks 1063069f55e2SEric Schrock /* Rely on strtoull() to process the numeric portion. */ 1064990b4856Slling errno = 0; 1065f67f35c3SEric Schrock *num = strtoull(value, &end, 10); 1066990b4856Slling 1067990b4856Slling /* 1068990b4856Slling * Check for ERANGE, which indicates that the value is too large to fit 1069990b4856Slling * in a 64-bit value. 1070990b4856Slling */ 1071990b4856Slling if (errno == ERANGE) { 1072990b4856Slling if (hdl) 1073990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1074990b4856Slling "numeric value is too large")); 1075990b4856Slling return (-1); 1076990b4856Slling } 1077990b4856Slling 1078990b4856Slling /* 1079990b4856Slling * If we have a decimal value, then do the computation with floating 1080990b4856Slling * point arithmetic. Otherwise, use standard arithmetic. 1081990b4856Slling */ 1082990b4856Slling if (*end == '.') { 1083990b4856Slling double fval = strtod(value, &end); 1084990b4856Slling 1085990b4856Slling if ((shift = str2shift(hdl, end)) == -1) 1086990b4856Slling return (-1); 1087990b4856Slling 1088990b4856Slling fval *= pow(2, shift); 1089990b4856Slling 1090990b4856Slling if (fval > UINT64_MAX) { 1091990b4856Slling if (hdl) 1092990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1093990b4856Slling "numeric value is too large")); 1094990b4856Slling return (-1); 1095990b4856Slling } 1096990b4856Slling 1097990b4856Slling *num = (uint64_t)fval; 1098990b4856Slling } else { 1099990b4856Slling if ((shift = str2shift(hdl, end)) == -1) 1100990b4856Slling return (-1); 1101990b4856Slling 1102990b4856Slling /* Check for overflow */ 1103990b4856Slling if (shift >= 64 || (*num << shift) >> shift != *num) { 1104990b4856Slling if (hdl) 1105990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1106990b4856Slling "numeric value is too large")); 1107990b4856Slling return (-1); 1108990b4856Slling } 1109990b4856Slling 1110990b4856Slling *num <<= shift; 1111990b4856Slling } 1112990b4856Slling 1113990b4856Slling return (0); 1114990b4856Slling } 1115990b4856Slling 1116990b4856Slling /* 1117990b4856Slling * Given a propname=value nvpair to set, parse any numeric properties 1118990b4856Slling * (index, boolean, etc) if they are specified as strings and add the 1119990b4856Slling * resulting nvpair to the returned nvlist. 1120990b4856Slling * 1121990b4856Slling * At the DSL layer, all properties are either 64-bit numbers or strings. 1122990b4856Slling * We want the user to be able to ignore this fact and specify properties 1123990b4856Slling * as native values (numbers, for example) or as strings (to simplify 1124990b4856Slling * command line utilities). This also handles converting index types 1125990b4856Slling * (compression, checksum, etc) from strings to their on-disk index. 1126990b4856Slling */ 1127990b4856Slling int 1128990b4856Slling zprop_parse_value(libzfs_handle_t *hdl, nvpair_t *elem, int prop, 1129990b4856Slling zfs_type_t type, nvlist_t *ret, char **svalp, uint64_t *ivalp, 1130990b4856Slling const char *errbuf) 1131990b4856Slling { 1132990b4856Slling data_type_t datatype = nvpair_type(elem); 1133990b4856Slling zprop_type_t proptype; 1134990b4856Slling const char *propname; 1135990b4856Slling char *value; 1136990b4856Slling boolean_t isnone = B_FALSE; 1137990b4856Slling 1138990b4856Slling if (type == ZFS_TYPE_POOL) { 1139990b4856Slling proptype = zpool_prop_get_type(prop); 1140990b4856Slling propname = zpool_prop_to_name(prop); 1141990b4856Slling } else { 1142990b4856Slling proptype = zfs_prop_get_type(prop); 1143990b4856Slling propname = zfs_prop_to_name(prop); 1144990b4856Slling } 1145990b4856Slling 1146990b4856Slling /* 1147990b4856Slling * Convert any properties to the internal DSL value types. 1148990b4856Slling */ 1149990b4856Slling *svalp = NULL; 1150990b4856Slling *ivalp = 0; 1151990b4856Slling 1152990b4856Slling switch (proptype) { 1153990b4856Slling case PROP_TYPE_STRING: 1154990b4856Slling if (datatype != DATA_TYPE_STRING) { 1155990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1156990b4856Slling "'%s' must be a string"), nvpair_name(elem)); 1157990b4856Slling goto error; 1158990b4856Slling } 1159990b4856Slling (void) nvpair_value_string(elem, svalp); 1160990b4856Slling if (strlen(*svalp) >= ZFS_MAXPROPLEN) { 1161990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1162990b4856Slling "'%s' is too long"), nvpair_name(elem)); 1163990b4856Slling goto error; 1164990b4856Slling } 1165990b4856Slling break; 1166990b4856Slling 1167990b4856Slling case PROP_TYPE_NUMBER: 1168990b4856Slling if (datatype == DATA_TYPE_STRING) { 1169990b4856Slling (void) nvpair_value_string(elem, &value); 1170990b4856Slling if (strcmp(value, "none") == 0) { 1171990b4856Slling isnone = B_TRUE; 1172990b4856Slling } else if (zfs_nicestrtonum(hdl, value, ivalp) 1173990b4856Slling != 0) { 1174990b4856Slling goto error; 1175990b4856Slling } 1176990b4856Slling } else if (datatype == DATA_TYPE_UINT64) { 1177990b4856Slling (void) nvpair_value_uint64(elem, ivalp); 1178990b4856Slling } else { 1179990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1180990b4856Slling "'%s' must be a number"), nvpair_name(elem)); 1181990b4856Slling goto error; 1182990b4856Slling } 1183990b4856Slling 1184990b4856Slling /* 1185990b4856Slling * Quota special: force 'none' and don't allow 0. 1186990b4856Slling */ 1187a9799022Sck if ((type & ZFS_TYPE_DATASET) && *ivalp == 0 && !isnone && 1188a9799022Sck (prop == ZFS_PROP_QUOTA || prop == ZFS_PROP_REFQUOTA)) { 1189990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1190a9799022Sck "use 'none' to disable quota/refquota")); 1191990b4856Slling goto error; 1192990b4856Slling } 1193990b4856Slling break; 1194990b4856Slling 1195990b4856Slling case PROP_TYPE_INDEX: 1196a9799022Sck if (datatype != DATA_TYPE_STRING) { 1197990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1198990b4856Slling "'%s' must be a string"), nvpair_name(elem)); 1199990b4856Slling goto error; 1200990b4856Slling } 1201990b4856Slling 1202a9799022Sck (void) nvpair_value_string(elem, &value); 1203a9799022Sck 1204990b4856Slling if (zprop_string_to_index(prop, value, ivalp, type) != 0) { 1205990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1206990b4856Slling "'%s' must be one of '%s'"), propname, 1207990b4856Slling zprop_values(prop, type)); 1208990b4856Slling goto error; 1209990b4856Slling } 1210990b4856Slling break; 1211990b4856Slling 1212990b4856Slling default: 1213990b4856Slling abort(); 1214990b4856Slling } 1215990b4856Slling 1216990b4856Slling /* 1217990b4856Slling * Add the result to our return set of properties. 1218990b4856Slling */ 1219990b4856Slling if (*svalp != NULL) { 1220990b4856Slling if (nvlist_add_string(ret, propname, *svalp) != 0) { 1221990b4856Slling (void) no_memory(hdl); 1222990b4856Slling return (-1); 1223990b4856Slling } 1224990b4856Slling } else { 1225990b4856Slling if (nvlist_add_uint64(ret, propname, *ivalp) != 0) { 1226990b4856Slling (void) no_memory(hdl); 1227990b4856Slling return (-1); 1228990b4856Slling } 1229990b4856Slling } 1230990b4856Slling 1231990b4856Slling return (0); 1232990b4856Slling error: 1233990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 1234990b4856Slling return (-1); 1235990b4856Slling } 1236990b4856Slling 123774e7dc98SMatthew Ahrens static int 123874e7dc98SMatthew Ahrens addlist(libzfs_handle_t *hdl, char *propname, zprop_list_t **listp, 123974e7dc98SMatthew Ahrens zfs_type_t type) 124074e7dc98SMatthew Ahrens { 124174e7dc98SMatthew Ahrens int prop; 124274e7dc98SMatthew Ahrens zprop_list_t *entry; 124374e7dc98SMatthew Ahrens 124474e7dc98SMatthew Ahrens prop = zprop_name_to_prop(propname, type); 124574e7dc98SMatthew Ahrens 124674e7dc98SMatthew Ahrens if (prop != ZPROP_INVAL && !zprop_valid_for_type(prop, type)) 124774e7dc98SMatthew Ahrens prop = ZPROP_INVAL; 124874e7dc98SMatthew Ahrens 124974e7dc98SMatthew Ahrens /* 125074e7dc98SMatthew Ahrens * When no property table entry can be found, return failure if 125174e7dc98SMatthew Ahrens * this is a pool property or if this isn't a user-defined 125274e7dc98SMatthew Ahrens * dataset property, 125374e7dc98SMatthew Ahrens */ 125474e7dc98SMatthew Ahrens if (prop == ZPROP_INVAL && (type == ZFS_TYPE_POOL || 125514843421SMatthew Ahrens (!zfs_prop_user(propname) && !zfs_prop_userquota(propname)))) { 125674e7dc98SMatthew Ahrens zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 125774e7dc98SMatthew Ahrens "invalid property '%s'"), propname); 125874e7dc98SMatthew Ahrens return (zfs_error(hdl, EZFS_BADPROP, 125974e7dc98SMatthew Ahrens dgettext(TEXT_DOMAIN, "bad property list"))); 126074e7dc98SMatthew Ahrens } 126174e7dc98SMatthew Ahrens 126274e7dc98SMatthew Ahrens if ((entry = zfs_alloc(hdl, sizeof (zprop_list_t))) == NULL) 126374e7dc98SMatthew Ahrens return (-1); 126474e7dc98SMatthew Ahrens 126574e7dc98SMatthew Ahrens entry->pl_prop = prop; 126674e7dc98SMatthew Ahrens if (prop == ZPROP_INVAL) { 126774e7dc98SMatthew Ahrens if ((entry->pl_user_prop = zfs_strdup(hdl, propname)) == NULL) { 126874e7dc98SMatthew Ahrens free(entry); 126974e7dc98SMatthew Ahrens return (-1); 127074e7dc98SMatthew Ahrens } 127174e7dc98SMatthew Ahrens entry->pl_width = strlen(propname); 127274e7dc98SMatthew Ahrens } else { 127374e7dc98SMatthew Ahrens entry->pl_width = zprop_width(prop, &entry->pl_fixed, 127474e7dc98SMatthew Ahrens type); 127574e7dc98SMatthew Ahrens } 127674e7dc98SMatthew Ahrens 127774e7dc98SMatthew Ahrens *listp = entry; 127874e7dc98SMatthew Ahrens 127974e7dc98SMatthew Ahrens return (0); 128074e7dc98SMatthew Ahrens } 128174e7dc98SMatthew Ahrens 1282990b4856Slling /* 1283990b4856Slling * Given a comma-separated list of properties, construct a property list 1284990b4856Slling * containing both user-defined and native properties. This function will 1285990b4856Slling * return a NULL list if 'all' is specified, which can later be expanded 1286990b4856Slling * by zprop_expand_list(). 1287990b4856Slling */ 1288990b4856Slling int 1289990b4856Slling zprop_get_list(libzfs_handle_t *hdl, char *props, zprop_list_t **listp, 1290990b4856Slling zfs_type_t type) 1291990b4856Slling { 1292990b4856Slling *listp = NULL; 1293990b4856Slling 1294990b4856Slling /* 1295990b4856Slling * If 'all' is specified, return a NULL list. 1296990b4856Slling */ 1297990b4856Slling if (strcmp(props, "all") == 0) 1298990b4856Slling return (0); 1299990b4856Slling 1300990b4856Slling /* 1301990b4856Slling * If no props were specified, return an error. 1302990b4856Slling */ 1303990b4856Slling if (props[0] == '\0') { 1304990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1305990b4856Slling "no properties specified")); 1306990b4856Slling return (zfs_error(hdl, EZFS_BADPROP, dgettext(TEXT_DOMAIN, 1307990b4856Slling "bad property list"))); 1308990b4856Slling } 1309990b4856Slling 1310990b4856Slling /* 1311990b4856Slling * It would be nice to use getsubopt() here, but the inclusion of column 1312990b4856Slling * aliases makes this more effort than it's worth. 1313990b4856Slling */ 131474e7dc98SMatthew Ahrens while (*props != '\0') { 131574e7dc98SMatthew Ahrens size_t len; 131674e7dc98SMatthew Ahrens char *p; 131774e7dc98SMatthew Ahrens char c; 131874e7dc98SMatthew Ahrens 131974e7dc98SMatthew Ahrens if ((p = strchr(props, ',')) == NULL) { 132074e7dc98SMatthew Ahrens len = strlen(props); 132174e7dc98SMatthew Ahrens p = props + len; 1322990b4856Slling } else { 132374e7dc98SMatthew Ahrens len = p - props; 1324990b4856Slling } 1325990b4856Slling 1326990b4856Slling /* 1327990b4856Slling * Check for empty options. 1328990b4856Slling */ 1329990b4856Slling if (len == 0) { 1330990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1331990b4856Slling "empty property name")); 1332990b4856Slling return (zfs_error(hdl, EZFS_BADPROP, 1333990b4856Slling dgettext(TEXT_DOMAIN, "bad property list"))); 1334990b4856Slling } 1335990b4856Slling 1336990b4856Slling /* 1337990b4856Slling * Check all regular property names. 1338990b4856Slling */ 133974e7dc98SMatthew Ahrens c = props[len]; 134074e7dc98SMatthew Ahrens props[len] = '\0'; 134174e7dc98SMatthew Ahrens 134274e7dc98SMatthew Ahrens if (strcmp(props, "space") == 0) { 134374e7dc98SMatthew Ahrens static char *spaceprops[] = { 134474e7dc98SMatthew Ahrens "name", "avail", "used", "usedbysnapshots", 134574e7dc98SMatthew Ahrens "usedbydataset", "usedbyrefreservation", 134674e7dc98SMatthew Ahrens "usedbychildren", NULL 134774e7dc98SMatthew Ahrens }; 134874e7dc98SMatthew Ahrens int i; 134974e7dc98SMatthew Ahrens 135074e7dc98SMatthew Ahrens for (i = 0; spaceprops[i]; i++) { 135174e7dc98SMatthew Ahrens if (addlist(hdl, spaceprops[i], listp, type)) 135274e7dc98SMatthew Ahrens return (-1); 135374e7dc98SMatthew Ahrens listp = &(*listp)->pl_next; 1354990b4856Slling } 1355990b4856Slling } else { 135674e7dc98SMatthew Ahrens if (addlist(hdl, props, listp, type)) 135774e7dc98SMatthew Ahrens return (-1); 135874e7dc98SMatthew Ahrens listp = &(*listp)->pl_next; 1359990b4856Slling } 1360990b4856Slling 136174e7dc98SMatthew Ahrens props = p; 1362990b4856Slling if (c == ',') 136374e7dc98SMatthew Ahrens props++; 1364990b4856Slling } 1365990b4856Slling 1366990b4856Slling return (0); 1367990b4856Slling } 1368990b4856Slling 1369990b4856Slling void 1370990b4856Slling zprop_free_list(zprop_list_t *pl) 1371990b4856Slling { 1372990b4856Slling zprop_list_t *next; 1373990b4856Slling 1374990b4856Slling while (pl != NULL) { 1375990b4856Slling next = pl->pl_next; 1376990b4856Slling free(pl->pl_user_prop); 1377990b4856Slling free(pl); 1378990b4856Slling pl = next; 1379990b4856Slling } 1380990b4856Slling } 1381990b4856Slling 1382990b4856Slling typedef struct expand_data { 1383990b4856Slling zprop_list_t **last; 1384990b4856Slling libzfs_handle_t *hdl; 1385990b4856Slling zfs_type_t type; 1386990b4856Slling } expand_data_t; 1387990b4856Slling 1388990b4856Slling int 1389990b4856Slling zprop_expand_list_cb(int prop, void *cb) 1390990b4856Slling { 1391990b4856Slling zprop_list_t *entry; 1392990b4856Slling expand_data_t *edp = cb; 1393990b4856Slling 1394990b4856Slling if ((entry = zfs_alloc(edp->hdl, sizeof (zprop_list_t))) == NULL) 1395990b4856Slling return (ZPROP_INVAL); 1396990b4856Slling 1397990b4856Slling entry->pl_prop = prop; 1398990b4856Slling entry->pl_width = zprop_width(prop, &entry->pl_fixed, edp->type); 1399990b4856Slling entry->pl_all = B_TRUE; 1400990b4856Slling 1401990b4856Slling *(edp->last) = entry; 1402990b4856Slling edp->last = &entry->pl_next; 1403990b4856Slling 1404990b4856Slling return (ZPROP_CONT); 1405990b4856Slling } 1406990b4856Slling 1407990b4856Slling int 1408990b4856Slling zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp, zfs_type_t type) 1409990b4856Slling { 1410990b4856Slling zprop_list_t *entry; 1411990b4856Slling zprop_list_t **last; 1412990b4856Slling expand_data_t exp; 1413990b4856Slling 1414990b4856Slling if (*plp == NULL) { 1415990b4856Slling /* 1416990b4856Slling * If this is the very first time we've been called for an 'all' 1417990b4856Slling * specification, expand the list to include all native 1418990b4856Slling * properties. 1419990b4856Slling */ 1420990b4856Slling last = plp; 1421990b4856Slling 1422990b4856Slling exp.last = last; 1423990b4856Slling exp.hdl = hdl; 1424990b4856Slling exp.type = type; 1425990b4856Slling 1426990b4856Slling if (zprop_iter_common(zprop_expand_list_cb, &exp, B_FALSE, 1427990b4856Slling B_FALSE, type) == ZPROP_INVAL) 1428990b4856Slling return (-1); 1429990b4856Slling 1430990b4856Slling /* 1431990b4856Slling * Add 'name' to the beginning of the list, which is handled 1432990b4856Slling * specially. 1433990b4856Slling */ 1434990b4856Slling if ((entry = zfs_alloc(hdl, sizeof (zprop_list_t))) == NULL) 1435990b4856Slling return (-1); 1436990b4856Slling 1437990b4856Slling entry->pl_prop = (type == ZFS_TYPE_POOL) ? ZPOOL_PROP_NAME : 1438990b4856Slling ZFS_PROP_NAME; 1439990b4856Slling entry->pl_width = zprop_width(entry->pl_prop, 1440990b4856Slling &entry->pl_fixed, type); 1441990b4856Slling entry->pl_all = B_TRUE; 1442990b4856Slling entry->pl_next = *plp; 1443990b4856Slling *plp = entry; 1444990b4856Slling } 1445990b4856Slling return (0); 1446990b4856Slling } 1447990b4856Slling 1448990b4856Slling int 1449990b4856Slling zprop_iter(zprop_func func, void *cb, boolean_t show_all, boolean_t ordered, 1450990b4856Slling zfs_type_t type) 1451990b4856Slling { 1452990b4856Slling return (zprop_iter_common(func, cb, show_all, ordered, type)); 1453ecd6cf80Smarks } 1454