X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=lib%2Flibzfs%2Flibzfs_dataset.c;h=5f8847a931052f28da8cb9773f392a54429afe4d;hb=2cf7f52bc42f215d4ef27d0fd75fc1b1417cb841;hp=a381a0e63a9c941848c9c71396b0d600c46e8788;hpb=fb5f0bc83330c8a0236c4d34a23723ac1974971a;p=zfs.git diff --git a/lib/libzfs/libzfs_dataset.c b/lib/libzfs/libzfs_dataset.c index a381a0e..5f8847a 100644 --- a/lib/libzfs/libzfs_dataset.c +++ b/lib/libzfs/libzfs_dataset.c @@ -20,14 +20,11 @@ */ /* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. */ -#include #include #include -#include #include #include #include @@ -39,13 +36,18 @@ #include #include #include -#include #include #include #include #include #include +#ifdef HAVE_IDMAP +#include +#include +#include +#endif /* HAVE_IDMAP */ +#include #include #include #include @@ -56,6 +58,8 @@ #include "zfs_deleg.h" static int zvol_create_link_common(libzfs_handle_t *, const char *, int); +static int userquota_propname_decode(const char *propname, boolean_t zoned, + zfs_userquota_prop_t *typep, char *domain, int domainlen, uint64_t *ridp); /* * Given a single type (not a mask of types), return the type in a human @@ -71,60 +75,19 @@ zfs_type_to_name(zfs_type_t type) return (dgettext(TEXT_DOMAIN, "snapshot")); case ZFS_TYPE_VOLUME: return (dgettext(TEXT_DOMAIN, "volume")); + default: + break; } return (NULL); } /* - * Given a path and mask of ZFS types, return a string describing this dataset. - * This is used when we fail to open a dataset and we cannot get an exact type. - * We guess what the type would have been based on the path and the mask of - * acceptable types. - */ -static const char * -path_to_str(const char *path, int types) -{ - /* - * When given a single type, always report the exact type. - */ - if (types == ZFS_TYPE_SNAPSHOT) - return (dgettext(TEXT_DOMAIN, "snapshot")); - if (types == ZFS_TYPE_FILESYSTEM) - return (dgettext(TEXT_DOMAIN, "filesystem")); - if (types == ZFS_TYPE_VOLUME) - return (dgettext(TEXT_DOMAIN, "volume")); - - /* - * The user is requesting more than one type of dataset. If this is the - * case, consult the path itself. If we're looking for a snapshot, and - * a '@' is found, then report it as "snapshot". Otherwise, remove the - * snapshot attribute and try again. - */ - if (types & ZFS_TYPE_SNAPSHOT) { - if (strchr(path, '@') != NULL) - return (dgettext(TEXT_DOMAIN, "snapshot")); - return (path_to_str(path, types & ~ZFS_TYPE_SNAPSHOT)); - } - - /* - * The user has requested either filesystems or volumes. - * We have no way of knowing a priori what type this would be, so always - * report it as "filesystem" or "volume", our two primitive types. - */ - if (types & ZFS_TYPE_FILESYSTEM) - return (dgettext(TEXT_DOMAIN, "filesystem")); - - assert(types & ZFS_TYPE_VOLUME); - return (dgettext(TEXT_DOMAIN, "volume")); -} - -/* * Validate a ZFS path. This is used even before trying to open the dataset, to - * provide a more meaningful error message. We place a more useful message in - * 'buf' detailing exactly why the name was not valid. + * provide a more meaningful error message. We call zfs_error_aux() to + * explain exactly why the name was not valid. */ -static int +int zfs_validate_name(libzfs_handle_t *hdl, const char *path, int type, boolean_t modifying) { @@ -179,6 +142,8 @@ zfs_validate_name(libzfs_handle_t *hdl, const char *path, int type, zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "reserved disk name")); break; + default: + break; } } @@ -335,6 +300,44 @@ get_stats_ioctl(zfs_handle_t *zhp, zfs_cmd_t *zc) return (0); } +/* + * Utility function to get the received properties of the given object. + */ +static int +get_recvd_props_ioctl(zfs_handle_t *zhp) +{ + libzfs_handle_t *hdl = zhp->zfs_hdl; + nvlist_t *recvdprops; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; + int err; + + if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) + return (-1); + + (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); + + while (ioctl(hdl->libzfs_fd, ZFS_IOC_OBJSET_RECVD_PROPS, &zc) != 0) { + if (errno == ENOMEM) { + if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { + return (-1); + } + } else { + zcmd_free_nvlists(&zc); + return (-1); + } + } + + err = zcmd_read_dst_nvlist(zhp->zfs_hdl, &zc, &recvdprops); + zcmd_free_nvlists(&zc); + if (err != 0) + return (-1); + + nvlist_free(zhp->zfs_recvd_props); + zhp->zfs_recvd_props = recvdprops; + + return (0); +} + static int put_stats_zhdl(zfs_handle_t *zhp, zfs_cmd_t *zc) { @@ -346,6 +349,10 @@ put_stats_zhdl(zfs_handle_t *zhp, zfs_cmd_t *zc) return (-1); } + /* + * XXX Why do we store the user props separately, in addition to + * storing them in zfs_props? + */ if ((userprops = process_user_props(zhp, allprops)) == NULL) { nvlist_free(allprops); return (-1); @@ -364,7 +371,7 @@ static int get_stats(zfs_handle_t *zhp) { int rc = 0; - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0) return (-1); @@ -392,70 +399,8 @@ zfs_refresh_properties(zfs_handle_t *zhp) static int make_dataset_handle_common(zfs_handle_t *zhp, zfs_cmd_t *zc) { - char *logstr; - libzfs_handle_t *hdl = zhp->zfs_hdl; - - /* - * Preserve history log string. - * any changes performed here will be - * logged as an internal event. - */ - logstr = zhp->zfs_hdl->libzfs_log_str; - zhp->zfs_hdl->libzfs_log_str = NULL; - -top: - if (put_stats_zhdl(zhp, zc) != 0) { - zhp->zfs_hdl->libzfs_log_str = logstr; + if (put_stats_zhdl(zhp, zc) != 0) return (-1); - } - - - if (zhp->zfs_dmustats.dds_inconsistent) { - zfs_cmd_t zc2 = { 0 }; - - /* - * If it is dds_inconsistent, then we've caught it in - * the middle of a 'zfs receive' or 'zfs destroy', and - * it is inconsistent from the ZPL's point of view, so - * can't be mounted. However, it could also be that we - * have crashed in the middle of one of those - * operations, in which case we need to get rid of the - * inconsistent state. We do that by either rolling - * back to the previous snapshot (which will fail if - * there is none), or destroying the filesystem. Note - * that if we are still in the middle of an active - * 'receive' or 'destroy', then the rollback and destroy - * will fail with EBUSY and we will drive on as usual. - */ - - (void) strlcpy(zc2.zc_name, zhp->zfs_name, - sizeof (zc2.zc_name)); - - if (zhp->zfs_dmustats.dds_type == DMU_OST_ZVOL) { - (void) zvol_remove_link(hdl, zhp->zfs_name); - zc2.zc_objset_type = DMU_OST_ZVOL; - } else { - zc2.zc_objset_type = DMU_OST_ZFS; - } - - /* - * If we can successfully destroy it, pretend that it - * never existed. - */ - if (ioctl(hdl->libzfs_fd, ZFS_IOC_DESTROY, &zc2) == 0) { - zhp->zfs_hdl->libzfs_log_str = logstr; - errno = ENOENT; - return (-1); - } - /* If we can successfully roll it back, reset the stats */ - if (ioctl(hdl->libzfs_fd, ZFS_IOC_ROLLBACK, &zc2) == 0) { - if (get_stats_ioctl(zhp, zc) != 0) { - zhp->zfs_hdl->libzfs_log_str = logstr; - return (-1); - } - goto top; - } - } /* * We've managed to open the dataset and gather statistics. Determine @@ -477,15 +422,16 @@ top: else abort(); /* we should never see any other types */ - zhp->zfs_hdl->libzfs_log_str = logstr; - zhp->zpool_hdl = zpool_handle(zhp); + if ((zhp->zpool_hdl = zpool_handle(zhp)) == NULL) + return (-1); + return (0); } zfs_handle_t * make_dataset_handle(libzfs_handle_t *hdl, const char *path) { - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1); @@ -580,6 +526,7 @@ zfs_close(zfs_handle_t *zhp) free(zhp->zfs_mntopts); nvlist_free(zhp->zfs_props); nvlist_free(zhp->zfs_user_props); + nvlist_free(zhp->zfs_recvd_props); free(zhp); } @@ -605,11 +552,15 @@ libzfs_mnttab_cache_compare(const void *arg1, const void *arg2) void libzfs_mnttab_init(libzfs_handle_t *hdl) { - struct mnttab entry; - assert(avl_numnodes(&hdl->libzfs_mnttab_cache) == 0); avl_create(&hdl->libzfs_mnttab_cache, libzfs_mnttab_cache_compare, sizeof (mnttab_node_t), offsetof(mnttab_node_t, mtn_node)); +} + +void +libzfs_mnttab_update(libzfs_handle_t *hdl) +{ + struct mnttab entry; rewind(hdl->libzfs_mnttab); while (getmntent(hdl->libzfs_mnttab, &entry) == 0) { @@ -632,7 +583,7 @@ libzfs_mnttab_fini(libzfs_handle_t *hdl) void *cookie = NULL; mnttab_node_t *mtn; - while (mtn = avl_destroy_nodes(&hdl->libzfs_mnttab_cache, &cookie)) { + while ((mtn = avl_destroy_nodes(&hdl->libzfs_mnttab_cache, &cookie))) { free(mtn->mtn_mt.mnt_special); free(mtn->mtn_mt.mnt_mountp); free(mtn->mtn_mt.mnt_fstype); @@ -642,6 +593,12 @@ libzfs_mnttab_fini(libzfs_handle_t *hdl) avl_destroy(&hdl->libzfs_mnttab_cache); } +void +libzfs_mnttab_cache(libzfs_handle_t *hdl, boolean_t enable) +{ + hdl->libzfs_mnttab_enable = enable; +} + int libzfs_mnttab_find(libzfs_handle_t *hdl, const char *fsname, struct mnttab *entry) @@ -649,8 +606,22 @@ libzfs_mnttab_find(libzfs_handle_t *hdl, const char *fsname, mnttab_node_t find; mnttab_node_t *mtn; + if (!hdl->libzfs_mnttab_enable) { + struct mnttab srch = { 0 }; + + if (avl_numnodes(&hdl->libzfs_mnttab_cache)) + libzfs_mnttab_fini(hdl); + rewind(hdl->libzfs_mnttab); + srch.mnt_special = (char *)fsname; + srch.mnt_fstype = MNTTYPE_ZFS; + if (getmntany(hdl->libzfs_mnttab, entry, &srch) == 0) + return (0); + else + return (ENOENT); + } + if (avl_numnodes(&hdl->libzfs_mnttab_cache) == 0) - libzfs_mnttab_init(hdl); + libzfs_mnttab_update(hdl); find.mtn_mt.mnt_special = (char *)fsname; mtn = avl_find(&hdl->libzfs_mnttab_cache, &find, NULL); @@ -684,7 +655,7 @@ libzfs_mnttab_remove(libzfs_handle_t *hdl, const char *fsname) mnttab_node_t *ret; find.mtn_mt.mnt_special = (char *)fsname; - if (ret = avl_find(&hdl->libzfs_mnttab_cache, (void *)&find, NULL)) { + if ((ret = avl_find(&hdl->libzfs_mnttab_cache, (void *)&find, NULL))) { avl_remove(&hdl->libzfs_mnttab_cache, ret); free(ret->mtn_mt.mnt_special); free(ret->mtn_mt.mnt_mountp); @@ -748,23 +719,18 @@ zfs_valid_proplist(libzfs_handle_t *hdl, zfs_type_t type, nvlist_t *nvl, return (NULL); } + /* + * Make sure this property is valid and applies to this type. + */ + elem = NULL; while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { const char *propname = nvpair_name(elem); - /* - * Make sure this property is valid and applies to this type. - */ - if ((prop = zfs_name_to_prop(propname)) == ZPROP_INVAL) { - if (!zfs_prop_user(propname)) { - zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, - "invalid property '%s'"), propname); - (void) zfs_error(hdl, EZFS_BADPROP, errbuf); - goto error; - } - + prop = zfs_name_to_prop(propname); + if (prop == ZPROP_INVAL && zfs_prop_user(propname)) { /* - * If this is a user property, make sure it's a + * This is a user property: make sure it's a * string, and that it's less than ZAP_MAXNAMELEN. */ if (nvpair_type(elem) != DATA_TYPE_STRING) { @@ -790,6 +756,10 @@ zfs_valid_proplist(libzfs_handle_t *hdl, zfs_type_t type, nvlist_t *nvl, continue; } + /* + * Currently, only user properties can be modified on + * snapshots. + */ if (type == ZFS_TYPE_SNAPSHOT) { zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "this property can not be modified for snapshots")); @@ -797,6 +767,85 @@ zfs_valid_proplist(libzfs_handle_t *hdl, zfs_type_t type, nvlist_t *nvl, goto error; } + if (prop == ZPROP_INVAL && zfs_prop_userquota(propname)) { + zfs_userquota_prop_t uqtype; + char newpropname[128]; + char domain[128]; + uint64_t rid; + uint64_t valary[3]; + + if (userquota_propname_decode(propname, zoned, + &uqtype, domain, sizeof (domain), &rid) != 0) { + zfs_error_aux(hdl, + dgettext(TEXT_DOMAIN, + "'%s' has an invalid user/group name"), + propname); + (void) zfs_error(hdl, EZFS_BADPROP, errbuf); + goto error; + } + + if (uqtype != ZFS_PROP_USERQUOTA && + uqtype != ZFS_PROP_GROUPQUOTA) { + zfs_error_aux(hdl, + dgettext(TEXT_DOMAIN, "'%s' is readonly"), + propname); + (void) zfs_error(hdl, EZFS_PROPREADONLY, + errbuf); + goto error; + } + + if (nvpair_type(elem) == DATA_TYPE_STRING) { + (void) nvpair_value_string(elem, &strval); + if (strcmp(strval, "none") == 0) { + intval = 0; + } else if (zfs_nicestrtonum(hdl, + strval, &intval) != 0) { + (void) zfs_error(hdl, + EZFS_BADPROP, errbuf); + goto error; + } + } else if (nvpair_type(elem) == + DATA_TYPE_UINT64) { + (void) nvpair_value_uint64(elem, &intval); + if (intval == 0) { + zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "use 'none' to disable " + "userquota/groupquota")); + goto error; + } + } else { + zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "'%s' must be a number"), propname); + (void) zfs_error(hdl, EZFS_BADPROP, errbuf); + goto error; + } + + /* + * Encode the prop name as + * userquota@-domain, to make it easy + * for the kernel to decode. + */ + (void) snprintf(newpropname, sizeof (newpropname), + "%s%llx-%s", zfs_userquota_prop_prefixes[uqtype], + (longlong_t)rid, domain); + valary[0] = uqtype; + valary[1] = rid; + valary[2] = intval; + if (nvlist_add_uint64_array(ret, newpropname, + valary, 3) != 0) { + (void) no_memory(hdl); + goto error; + } + continue; + } + + if (prop == ZPROP_INVAL) { + zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "invalid property '%s'"), propname); + (void) zfs_error(hdl, EZFS_BADPROP, errbuf); + goto error; + } + if (!zfs_prop_valid_for_type(prop, type)) { zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' does not " @@ -854,19 +903,66 @@ zfs_valid_proplist(libzfs_handle_t *hdl, zfs_type_t type, nvlist_t *nvl, } break; - case ZFS_PROP_SHAREISCSI: - if (strcmp(strval, "off") != 0 && - strcmp(strval, "on") != 0 && - strcmp(strval, "type=disk") != 0) { - zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, - "'%s' must be 'on', 'off', or 'type=disk'"), - propname); - (void) zfs_error(hdl, EZFS_BADPROP, errbuf); - goto error; + case ZFS_PROP_MLSLABEL: + { +#ifdef HAVE_MLSLABEL + /* + * Verify the mlslabel string and convert to + * internal hex label string. + */ + + m_label_t *new_sl; + char *hex = NULL; /* internal label string */ + + /* Default value is already OK. */ + if (strcasecmp(strval, ZFS_MLSLABEL_DEFAULT) == 0) + break; + + /* Verify the label can be converted to binary form */ + if (((new_sl = m_label_alloc(MAC_LABEL)) == NULL) || + (str_to_label(strval, &new_sl, MAC_LABEL, + L_NO_CORRECTION, NULL) == -1)) { + goto badlabel; } + /* Now translate to hex internal label string */ + if (label_to_str(new_sl, &hex, M_INTERNAL, + DEF_NAMES) != 0) { + if (hex) + free(hex); + goto badlabel; + } + m_label_free(new_sl); + + /* If string is already in internal form, we're done. */ + if (strcmp(strval, hex) == 0) { + free(hex); + break; + } + + /* Replace the label string with the internal form. */ + (void) nvlist_remove(ret, zfs_prop_to_name(prop), + DATA_TYPE_STRING); + verify(nvlist_add_string(ret, zfs_prop_to_name(prop), + hex) == 0); + free(hex); + break; +badlabel: + zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "invalid mlslabel '%s'"), strval); + (void) zfs_error(hdl, EZFS_BADPROP, errbuf); + m_label_free(new_sl); /* OK if null */ + goto error; +#else + zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "mlslabels are unsupported")); + (void) zfs_error(hdl, EZFS_BADPROP, errbuf); + goto error; +#endif /* HAVE_MLSLABEL */ + } + case ZFS_PROP_MOUNTPOINT: { namecheck_err_t why; @@ -889,6 +985,8 @@ zfs_valid_proplist(libzfs_handle_t *hdl, zfs_type_t type, nvlist_t *nvl, "component of '%s' is too long"), propname); break; + default: + break; } (void) zfs_error(hdl, EZFS_BADPROP, errbuf); goto error; @@ -936,7 +1034,7 @@ zfs_valid_proplist(libzfs_handle_t *hdl, zfs_type_t type, nvlist_t *nvl, } else if (getzoneid() != GLOBAL_ZONEID) { /* * If zoned property is 'off', this must be in - * a globle zone. If not, something is wrong. + * a global zone. If not, something is wrong. */ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' cannot be set while dataset " @@ -1013,6 +1111,8 @@ zfs_valid_proplist(libzfs_handle_t *hdl, zfs_type_t type, nvlist_t *nvl, case ZFS_PROP_NORMALIZE: chosen_normal = (int)intval; break; + default: + break; } /* @@ -1061,6 +1161,8 @@ zfs_valid_proplist(libzfs_handle_t *hdl, zfs_type_t type, nvlist_t *nvl, goto error; } break; + default: + break; } } } @@ -1085,34 +1187,6 @@ zfs_valid_proplist(libzfs_handle_t *hdl, zfs_type_t type, nvlist_t *nvl, (void) zfs_error(hdl, EZFS_BADPROP, errbuf); goto error; } - - /* - * If this is an existing volume, and someone is setting the volsize, - * make sure that it matches the reservation, or add it if necessary. - */ - if (zhp != NULL && type == ZFS_TYPE_VOLUME && - nvlist_lookup_uint64(ret, zfs_prop_to_name(ZFS_PROP_VOLSIZE), - &intval) == 0) { - uint64_t old_volsize = zfs_prop_get_int(zhp, - ZFS_PROP_VOLSIZE); - uint64_t old_reservation; - uint64_t new_reservation; - zfs_prop_t resv_prop; - - if (zfs_which_resv_prop(zhp, &resv_prop) < 0) - goto error; - old_reservation = zfs_prop_get_int(zhp, resv_prop); - - if (old_volsize == old_reservation && - nvlist_lookup_uint64(ret, zfs_prop_to_name(resv_prop), - &new_reservation) != 0) { - if (nvlist_add_uint64(ret, - zfs_prop_to_name(resv_prop), intval) != 0) { - (void) no_memory(hdl); - goto error; - } - } - } return (ret); error: @@ -1120,806 +1194,142 @@ error: return (NULL); } -static int -zfs_get_perm_who(const char *who, zfs_deleg_who_type_t *who_type, - uint64_t *ret_who) +int +zfs_add_synthetic_resv(zfs_handle_t *zhp, nvlist_t *nvl) { - struct passwd *pwd; - struct group *grp; - uid_t id; + uint64_t old_volsize; + uint64_t new_volsize; + uint64_t old_reservation; + uint64_t new_reservation; + zfs_prop_t resv_prop; - if (*who_type == ZFS_DELEG_EVERYONE || *who_type == ZFS_DELEG_CREATE || - *who_type == ZFS_DELEG_NAMED_SET) { - *ret_who = -1; + /* + * If this is an existing volume, and someone is setting the volsize, + * make sure that it matches the reservation, or add it if necessary. + */ + old_volsize = zfs_prop_get_int(zhp, ZFS_PROP_VOLSIZE); + if (zfs_which_resv_prop(zhp, &resv_prop) < 0) + return (-1); + old_reservation = zfs_prop_get_int(zhp, resv_prop); + if ((zvol_volsize_to_reservation(old_volsize, zhp->zfs_props) != + old_reservation) || nvlist_lookup_uint64(nvl, + zfs_prop_to_name(resv_prop), &new_reservation) != ENOENT) { return (0); } - if (who == NULL && !(*who_type == ZFS_DELEG_EVERYONE)) - return (EZFS_BADWHO); - - if (*who_type == ZFS_DELEG_WHO_UNKNOWN && - strcmp(who, "everyone") == 0) { - *ret_who = -1; - *who_type = ZFS_DELEG_EVERYONE; - return (0); + if (nvlist_lookup_uint64(nvl, zfs_prop_to_name(ZFS_PROP_VOLSIZE), + &new_volsize) != 0) + return (-1); + new_reservation = zvol_volsize_to_reservation(new_volsize, + zhp->zfs_props); + if (nvlist_add_uint64(nvl, zfs_prop_to_name(resv_prop), + new_reservation) != 0) { + (void) no_memory(zhp->zfs_hdl); + return (-1); } + return (1); +} - pwd = getpwnam(who); - grp = getgrnam(who); - - if ((*who_type == ZFS_DELEG_USER) && pwd) { - *ret_who = pwd->pw_uid; - } else if ((*who_type == ZFS_DELEG_GROUP) && grp) { - *ret_who = grp->gr_gid; - } else if (pwd) { - *ret_who = pwd->pw_uid; - *who_type = ZFS_DELEG_USER; - } else if (grp) { - *ret_who = grp->gr_gid; - *who_type = ZFS_DELEG_GROUP; - } else { - char *end; +void +zfs_setprop_error(libzfs_handle_t *hdl, zfs_prop_t prop, int err, + char *errbuf) +{ + switch (err) { - id = strtol(who, &end, 10); - if (errno != 0 || *end != '\0') { - return (EZFS_BADWHO); - } else { - *ret_who = id; - if (*who_type == ZFS_DELEG_WHO_UNKNOWN) - *who_type = ZFS_DELEG_USER; - } - } + case ENOSPC: + /* + * For quotas and reservations, ENOSPC indicates + * something different; setting a quota or reservation + * doesn't use any disk space. + */ + switch (prop) { + case ZFS_PROP_QUOTA: + case ZFS_PROP_REFQUOTA: + zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "size is less than current used or " + "reserved space")); + (void) zfs_error(hdl, EZFS_PROPSPACE, errbuf); + break; - return (0); -} + case ZFS_PROP_RESERVATION: + case ZFS_PROP_REFRESERVATION: + zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "size is greater than available space")); + (void) zfs_error(hdl, EZFS_PROPSPACE, errbuf); + break; -static void -zfs_perms_add_to_nvlist(nvlist_t *who_nvp, char *name, nvlist_t *perms_nvp) -{ - if (perms_nvp != NULL) { - verify(nvlist_add_nvlist(who_nvp, - name, perms_nvp) == 0); - } else { - verify(nvlist_add_boolean(who_nvp, name) == 0); - } -} + default: + (void) zfs_standard_error(hdl, err, errbuf); + break; + } + break; -static void -helper(zfs_deleg_who_type_t who_type, uint64_t whoid, char *whostr, - zfs_deleg_inherit_t inherit, nvlist_t *who_nvp, nvlist_t *perms_nvp, - nvlist_t *sets_nvp) -{ - boolean_t do_perms, do_sets; - char name[ZFS_MAX_DELEG_NAME]; + case EBUSY: + (void) zfs_standard_error(hdl, EBUSY, errbuf); + break; - do_perms = (nvlist_next_nvpair(perms_nvp, NULL) != NULL); - do_sets = (nvlist_next_nvpair(sets_nvp, NULL) != NULL); + case EROFS: + (void) zfs_error(hdl, EZFS_DSREADONLY, errbuf); + break; - if (!do_perms && !do_sets) - do_perms = do_sets = B_TRUE; + case ENOTSUP: + zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "pool and or dataset must be upgraded to set this " + "property or value")); + (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); + break; - if (do_perms) { - zfs_deleg_whokey(name, who_type, inherit, - (who_type == ZFS_DELEG_NAMED_SET) ? - whostr : (void *)&whoid); - zfs_perms_add_to_nvlist(who_nvp, name, perms_nvp); - } - if (do_sets) { - zfs_deleg_whokey(name, toupper(who_type), inherit, - (who_type == ZFS_DELEG_NAMED_SET) ? - whostr : (void *)&whoid); - zfs_perms_add_to_nvlist(who_nvp, name, sets_nvp); - } -} + case ERANGE: + if (prop == ZFS_PROP_COMPRESSION) { + (void) zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "property setting is not allowed on " + "bootable datasets")); + (void) zfs_error(hdl, EZFS_NOTSUP, errbuf); + } else { + (void) zfs_standard_error(hdl, err, errbuf); + } + break; -static void -zfs_perms_add_who_nvlist(nvlist_t *who_nvp, uint64_t whoid, void *whostr, - nvlist_t *perms_nvp, nvlist_t *sets_nvp, - zfs_deleg_who_type_t who_type, zfs_deleg_inherit_t inherit) -{ - if (who_type == ZFS_DELEG_NAMED_SET || who_type == ZFS_DELEG_CREATE) { - helper(who_type, whoid, whostr, 0, - who_nvp, perms_nvp, sets_nvp); - } else { - if (inherit & ZFS_DELEG_PERM_LOCAL) { - helper(who_type, whoid, whostr, ZFS_DELEG_LOCAL, - who_nvp, perms_nvp, sets_nvp); + case EINVAL: + if (prop == ZPROP_INVAL) { + (void) zfs_error(hdl, EZFS_BADPROP, errbuf); + } else { + (void) zfs_standard_error(hdl, err, errbuf); } - if (inherit & ZFS_DELEG_PERM_DESCENDENT) { - helper(who_type, whoid, whostr, ZFS_DELEG_DESCENDENT, - who_nvp, perms_nvp, sets_nvp); + break; + + case EOVERFLOW: + /* + * This platform can't address a volume this big. + */ +#ifdef _ILP32 + if (prop == ZFS_PROP_VOLSIZE) { + (void) zfs_error(hdl, EZFS_VOLTOOBIG, errbuf); + break; } +#endif + /* FALLTHROUGH */ + default: + (void) zfs_standard_error(hdl, err, errbuf); } } -/* - * Construct nvlist to pass down to kernel for setting/removing permissions. - * - * The nvlist is constructed as a series of nvpairs with an optional embedded - * nvlist of permissions to remove or set. The topmost nvpairs are the actual - * base attribute named stored in the dsl. - * Arguments: - * - * whostr: is a comma separated list of users, groups, or a single set name. - * whostr may be null for everyone or create perms. - * who_type: is the type of entry in whostr. Typically this will be - * ZFS_DELEG_WHO_UNKNOWN. - * perms: common separated list of permissions. May be null if user - * is requested to remove permissions by who. - * inherit: Specifies the inheritance of the permissions. Will be either - * ZFS_DELEG_PERM_LOCAL and/or ZFS_DELEG_PERM_DESCENDENT. - * nvp The constructed nvlist to pass to zfs_perm_set(). - * The output nvp will look something like this. - * ul$1234 -> {create ; destroy } - * Ul$1234 -> { @myset } - * s-$@myset - { snapshot; checksum; compression } - */ -int -zfs_build_perms(zfs_handle_t *zhp, char *whostr, char *perms, - zfs_deleg_who_type_t who_type, zfs_deleg_inherit_t inherit, nvlist_t **nvp) -{ - nvlist_t *who_nvp; - nvlist_t *perms_nvp = NULL; - nvlist_t *sets_nvp = NULL; - char errbuf[1024]; - char *who_tok, *perm; - int error; - - *nvp = NULL; - - if (perms) { - if ((error = nvlist_alloc(&perms_nvp, - NV_UNIQUE_NAME, 0)) != 0) { - return (1); - } - if ((error = nvlist_alloc(&sets_nvp, - NV_UNIQUE_NAME, 0)) != 0) { - nvlist_free(perms_nvp); - return (1); - } - } - - if ((error = nvlist_alloc(&who_nvp, NV_UNIQUE_NAME, 0)) != 0) { - if (perms_nvp) - nvlist_free(perms_nvp); - if (sets_nvp) - nvlist_free(sets_nvp); - return (1); - } - - if (who_type == ZFS_DELEG_NAMED_SET) { - namecheck_err_t why; - char what; - - if ((error = permset_namecheck(whostr, &why, &what)) != 0) { - nvlist_free(who_nvp); - if (perms_nvp) - nvlist_free(perms_nvp); - if (sets_nvp) - nvlist_free(sets_nvp); - - switch (why) { - case NAME_ERR_NO_AT: - zfs_error_aux(zhp->zfs_hdl, - dgettext(TEXT_DOMAIN, - "set definition must begin with an '@' " - "character")); - } - return (zfs_error(zhp->zfs_hdl, - EZFS_BADPERMSET, whostr)); - } - } - - /* - * Build up nvlist(s) of permissions. Two nvlists are maintained. - * The first nvlist perms_nvp will have normal permissions and the - * other sets_nvp will have only permssion set names in it. - */ - for (perm = strtok(perms, ","); perm; perm = strtok(NULL, ",")) { - const char *perm_canonical = zfs_deleg_canonicalize_perm(perm); - - if (perm_canonical) { - verify(nvlist_add_boolean(perms_nvp, - perm_canonical) == 0); - } else if (perm[0] == '@') { - verify(nvlist_add_boolean(sets_nvp, perm) == 0); - } else { - nvlist_free(who_nvp); - nvlist_free(perms_nvp); - nvlist_free(sets_nvp); - return (zfs_error(zhp->zfs_hdl, EZFS_BADPERM, perm)); - } - } - - if (whostr && who_type != ZFS_DELEG_CREATE) { - who_tok = strtok(whostr, ","); - if (who_tok == NULL) { - nvlist_free(who_nvp); - if (perms_nvp) - nvlist_free(perms_nvp); - if (sets_nvp) - nvlist_free(sets_nvp); - (void) snprintf(errbuf, sizeof (errbuf), - dgettext(TEXT_DOMAIN, "Who string is NULL"), - whostr); - return (zfs_error(zhp->zfs_hdl, EZFS_BADWHO, errbuf)); - } - } - - /* - * Now create the nvlist(s) - */ - do { - uint64_t who_id; - - error = zfs_get_perm_who(who_tok, &who_type, - &who_id); - if (error) { - nvlist_free(who_nvp); - if (perms_nvp) - nvlist_free(perms_nvp); - if (sets_nvp) - nvlist_free(sets_nvp); - (void) snprintf(errbuf, sizeof (errbuf), - dgettext(TEXT_DOMAIN, - "Unable to determine uid/gid for " - "%s "), who_tok); - return (zfs_error(zhp->zfs_hdl, EZFS_BADWHO, errbuf)); - } - - /* - * add entries for both local and descendent when required - */ - zfs_perms_add_who_nvlist(who_nvp, who_id, who_tok, - perms_nvp, sets_nvp, who_type, inherit); - - } while (who_tok = strtok(NULL, ",")); - *nvp = who_nvp; - return (0); -} - -static int -zfs_perm_set_common(zfs_handle_t *zhp, nvlist_t *nvp, boolean_t unset) -{ - zfs_cmd_t zc = { 0 }; - int error; - char errbuf[1024]; - - (void) snprintf(errbuf, sizeof (errbuf), - dgettext(TEXT_DOMAIN, "Cannot update 'allows' for '%s'"), - zhp->zfs_name); - - if (zcmd_write_src_nvlist(zhp->zfs_hdl, &zc, nvp)) - return (-1); - - (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); - zc.zc_perm_action = unset; - - error = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_SET_FSACL, &zc); - if (error && errno == ENOTSUP) { - (void) snprintf(errbuf, sizeof (errbuf), - gettext("Pool must be upgraded to use 'allow/unallow'")); - zcmd_free_nvlists(&zc); - return (zfs_error(zhp->zfs_hdl, EZFS_BADVERSION, errbuf)); - } else if (error) { - return (zfs_standard_error(zhp->zfs_hdl, errno, errbuf)); - } - zcmd_free_nvlists(&zc); - - return (error); -} - -int -zfs_perm_set(zfs_handle_t *zhp, nvlist_t *nvp) -{ - return (zfs_perm_set_common(zhp, nvp, B_FALSE)); -} - -int -zfs_perm_remove(zfs_handle_t *zhp, nvlist_t *perms) -{ - return (zfs_perm_set_common(zhp, perms, B_TRUE)); -} - -static int -perm_compare(const void *arg1, const void *arg2) -{ - const zfs_perm_node_t *node1 = arg1; - const zfs_perm_node_t *node2 = arg2; - int ret; - - ret = strcmp(node1->z_pname, node2->z_pname); - - if (ret > 0) - return (1); - if (ret < 0) - return (-1); - else - return (0); -} - -static void -zfs_destroy_perm_tree(avl_tree_t *tree) -{ - zfs_perm_node_t *permnode; - void *cookie = NULL; - - while ((permnode = avl_destroy_nodes(tree, &cookie)) != NULL) - free(permnode); - avl_destroy(tree); -} - -static void -zfs_destroy_tree(avl_tree_t *tree) -{ - zfs_allow_node_t *allownode; - void *cookie = NULL; - - while ((allownode = avl_destroy_nodes(tree, &cookie)) != NULL) { - zfs_destroy_perm_tree(&allownode->z_localdescend); - zfs_destroy_perm_tree(&allownode->z_local); - zfs_destroy_perm_tree(&allownode->z_descend); - free(allownode); - } - avl_destroy(tree); -} - -void -zfs_free_allows(zfs_allow_t *allow) +static boolean_t +zfs_is_namespace_prop(zfs_prop_t prop) { - zfs_allow_t *allownext; - zfs_allow_t *freeallow; - - allownext = allow; - while (allownext) { - zfs_destroy_tree(&allownext->z_sets); - zfs_destroy_tree(&allownext->z_crperms); - zfs_destroy_tree(&allownext->z_user); - zfs_destroy_tree(&allownext->z_group); - zfs_destroy_tree(&allownext->z_everyone); - freeallow = allownext; - allownext = allownext->z_next; - free(freeallow); - } -} - -static zfs_allow_t * -zfs_alloc_perm_tree(zfs_handle_t *zhp, zfs_allow_t *prev, char *setpoint) -{ - zfs_allow_t *ptree; - - if ((ptree = zfs_alloc(zhp->zfs_hdl, - sizeof (zfs_allow_t))) == NULL) { - return (NULL); - } - - (void) strlcpy(ptree->z_setpoint, setpoint, sizeof (ptree->z_setpoint)); - avl_create(&ptree->z_sets, - perm_compare, sizeof (zfs_allow_node_t), - offsetof(zfs_allow_node_t, z_node)); - avl_create(&ptree->z_crperms, - perm_compare, sizeof (zfs_allow_node_t), - offsetof(zfs_allow_node_t, z_node)); - avl_create(&ptree->z_user, - perm_compare, sizeof (zfs_allow_node_t), - offsetof(zfs_allow_node_t, z_node)); - avl_create(&ptree->z_group, - perm_compare, sizeof (zfs_allow_node_t), - offsetof(zfs_allow_node_t, z_node)); - avl_create(&ptree->z_everyone, - perm_compare, sizeof (zfs_allow_node_t), - offsetof(zfs_allow_node_t, z_node)); - - if (prev) - prev->z_next = ptree; - ptree->z_next = NULL; - return (ptree); -} - -/* - * Add permissions to the appropriate AVL permission tree. - * The appropriate tree may not be the requested tree. - * For example if ld indicates a local permission, but - * same permission also exists as a descendent permission - * then the permission will be removed from the descendent - * tree and add the the local+descendent tree. - */ -static int -zfs_coalesce_perm(zfs_handle_t *zhp, zfs_allow_node_t *allownode, - char *perm, char ld) -{ - zfs_perm_node_t pnode, *permnode, *permnode2; - zfs_perm_node_t *newnode; - avl_index_t where, where2; - avl_tree_t *tree, *altree; - - (void) strlcpy(pnode.z_pname, perm, sizeof (pnode.z_pname)); - - if (ld == ZFS_DELEG_NA) { - tree = &allownode->z_localdescend; - altree = &allownode->z_descend; - } else if (ld == ZFS_DELEG_LOCAL) { - tree = &allownode->z_local; - altree = &allownode->z_descend; - } else { - tree = &allownode->z_descend; - altree = &allownode->z_local; - } - permnode = avl_find(tree, &pnode, &where); - permnode2 = avl_find(altree, &pnode, &where2); - - if (permnode2) { - avl_remove(altree, permnode2); - free(permnode2); - if (permnode == NULL) { - tree = &allownode->z_localdescend; - } - } - - /* - * Now insert new permission in either requested location - * local/descendent or into ld when perm will exist in both. - */ - if (permnode == NULL) { - if ((newnode = zfs_alloc(zhp->zfs_hdl, - sizeof (zfs_perm_node_t))) == NULL) { - return (-1); - } - *newnode = pnode; - avl_add(tree, newnode); - } - return (0); -} - -/* - * Uggh, this is going to be a bit complicated. - * we have an nvlist coming out of the kernel that - * will indicate where the permission is set and then - * it will contain allow of the various "who's", and what - * their permissions are. To further complicate this - * we will then have to coalesce the local,descendent - * and local+descendent permissions where appropriate. - * The kernel only knows about a permission as being local - * or descendent, but not both. - * - * In order to make this easier for zfs_main to deal with - * a series of AVL trees will be used to maintain - * all of this, primarily for sorting purposes as well - * as the ability to quickly locate a specific entry. - * - * What we end up with are tree's for sets, create perms, - * user, groups and everyone. With each of those trees - * we have subtrees for local, descendent and local+descendent - * permissions. - */ -int -zfs_perm_get(zfs_handle_t *zhp, zfs_allow_t **zfs_perms) -{ - zfs_cmd_t zc = { 0 }; - int error; - nvlist_t *nvlist; - nvlist_t *permnv, *sourcenv; - nvpair_t *who_pair, *source_pair; - nvpair_t *perm_pair; - char errbuf[1024]; - zfs_allow_t *zallowp, *newallowp; - char ld; - char *nvpname; - uid_t uid; - gid_t gid; - avl_tree_t *tree; - avl_index_t where; - - (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); - - if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0) - return (-1); - - while (ioctl(zhp->zfs_hdl->libzfs_fd, ZFS_IOC_GET_FSACL, &zc) != 0) { - if (errno == ENOMEM) { - if (zcmd_expand_dst_nvlist(zhp->zfs_hdl, &zc) != 0) { - zcmd_free_nvlists(&zc); - return (-1); - } - } else if (errno == ENOTSUP) { - zcmd_free_nvlists(&zc); - (void) snprintf(errbuf, sizeof (errbuf), - gettext("Pool must be upgraded to use 'allow'")); - return (zfs_error(zhp->zfs_hdl, - EZFS_BADVERSION, errbuf)); - } else { - zcmd_free_nvlists(&zc); - return (-1); - } - } - - if (zcmd_read_dst_nvlist(zhp->zfs_hdl, &zc, &nvlist) != 0) { - zcmd_free_nvlists(&zc); - return (-1); - } - - zcmd_free_nvlists(&zc); - - source_pair = nvlist_next_nvpair(nvlist, NULL); - - if (source_pair == NULL) { - *zfs_perms = NULL; - return (0); - } - - *zfs_perms = zfs_alloc_perm_tree(zhp, NULL, nvpair_name(source_pair)); - if (*zfs_perms == NULL) { - return (0); - } - - zallowp = *zfs_perms; - - for (;;) { - struct passwd *pwd; - struct group *grp; - zfs_allow_node_t *allownode; - zfs_allow_node_t findallownode; - zfs_allow_node_t *newallownode; - - (void) strlcpy(zallowp->z_setpoint, - nvpair_name(source_pair), - sizeof (zallowp->z_setpoint)); - - if ((error = nvpair_value_nvlist(source_pair, &sourcenv)) != 0) - goto abort; - - /* - * Make sure nvlist is composed correctly - */ - if (zfs_deleg_verify_nvlist(sourcenv)) { - goto abort; - } - - who_pair = nvlist_next_nvpair(sourcenv, NULL); - if (who_pair == NULL) { - goto abort; - } - - do { - error = nvpair_value_nvlist(who_pair, &permnv); - if (error) { - goto abort; - } - - /* - * First build up the key to use - * for looking up in the various - * who trees. - */ - ld = nvpair_name(who_pair)[1]; - nvpname = nvpair_name(who_pair); - switch (nvpair_name(who_pair)[0]) { - case ZFS_DELEG_USER: - case ZFS_DELEG_USER_SETS: - tree = &zallowp->z_user; - uid = atol(&nvpname[3]); - pwd = getpwuid(uid); - (void) snprintf(findallownode.z_key, - sizeof (findallownode.z_key), "user %s", - (pwd) ? pwd->pw_name : - &nvpair_name(who_pair)[3]); - break; - case ZFS_DELEG_GROUP: - case ZFS_DELEG_GROUP_SETS: - tree = &zallowp->z_group; - gid = atol(&nvpname[3]); - grp = getgrgid(gid); - (void) snprintf(findallownode.z_key, - sizeof (findallownode.z_key), "group %s", - (grp) ? grp->gr_name : - &nvpair_name(who_pair)[3]); - break; - case ZFS_DELEG_CREATE: - case ZFS_DELEG_CREATE_SETS: - tree = &zallowp->z_crperms; - (void) strlcpy(findallownode.z_key, "", - sizeof (findallownode.z_key)); - break; - case ZFS_DELEG_EVERYONE: - case ZFS_DELEG_EVERYONE_SETS: - (void) snprintf(findallownode.z_key, - sizeof (findallownode.z_key), "everyone"); - tree = &zallowp->z_everyone; - break; - case ZFS_DELEG_NAMED_SET: - case ZFS_DELEG_NAMED_SET_SETS: - (void) snprintf(findallownode.z_key, - sizeof (findallownode.z_key), "%s", - &nvpair_name(who_pair)[3]); - tree = &zallowp->z_sets; - break; - } - - /* - * Place who in tree - */ - allownode = avl_find(tree, &findallownode, &where); - if (allownode == NULL) { - if ((newallownode = zfs_alloc(zhp->zfs_hdl, - sizeof (zfs_allow_node_t))) == NULL) { - goto abort; - } - avl_create(&newallownode->z_localdescend, - perm_compare, - sizeof (zfs_perm_node_t), - offsetof(zfs_perm_node_t, z_node)); - avl_create(&newallownode->z_local, - perm_compare, - sizeof (zfs_perm_node_t), - offsetof(zfs_perm_node_t, z_node)); - avl_create(&newallownode->z_descend, - perm_compare, - sizeof (zfs_perm_node_t), - offsetof(zfs_perm_node_t, z_node)); - (void) strlcpy(newallownode->z_key, - findallownode.z_key, - sizeof (findallownode.z_key)); - avl_insert(tree, newallownode, where); - allownode = newallownode; - } - - /* - * Now iterate over the permissions and - * place them in the appropriate local, - * descendent or local+descendent tree. - * - * The permissions are added to the tree - * via zfs_coalesce_perm(). - */ - perm_pair = nvlist_next_nvpair(permnv, NULL); - if (perm_pair == NULL) - goto abort; - do { - if (zfs_coalesce_perm(zhp, allownode, - nvpair_name(perm_pair), ld) != 0) - goto abort; - } while (perm_pair = nvlist_next_nvpair(permnv, - perm_pair)); - } while (who_pair = nvlist_next_nvpair(sourcenv, who_pair)); - - source_pair = nvlist_next_nvpair(nvlist, source_pair); - if (source_pair == NULL) - break; + switch (prop) { - /* - * allocate another node from the link list of - * zfs_allow_t structures - */ - newallowp = zfs_alloc_perm_tree(zhp, zallowp, - nvpair_name(source_pair)); - if (newallowp == NULL) { - goto abort; - } - zallowp = newallowp; - } - nvlist_free(nvlist); - return (0); -abort: - zfs_free_allows(*zfs_perms); - nvlist_free(nvlist); - return (-1); -} + case ZFS_PROP_ATIME: + case ZFS_PROP_DEVICES: + case ZFS_PROP_EXEC: + case ZFS_PROP_SETUID: + case ZFS_PROP_READONLY: + case ZFS_PROP_XATTR: + case ZFS_PROP_NBMAND: + return (B_TRUE); -static char * -zfs_deleg_perm_note(zfs_deleg_note_t note) -{ - /* - * Don't put newlines on end of lines - */ - switch (note) { - case ZFS_DELEG_NOTE_CREATE: - return (dgettext(TEXT_DOMAIN, - "Must also have the 'mount' ability")); - case ZFS_DELEG_NOTE_DESTROY: - return (dgettext(TEXT_DOMAIN, - "Must also have the 'mount' ability")); - case ZFS_DELEG_NOTE_SNAPSHOT: - return (dgettext(TEXT_DOMAIN, - "Must also have the 'mount' ability")); - case ZFS_DELEG_NOTE_ROLLBACK: - return (dgettext(TEXT_DOMAIN, - "Must also have the 'mount' ability")); - case ZFS_DELEG_NOTE_CLONE: - return (dgettext(TEXT_DOMAIN, "Must also have the 'create' " - "ability and 'mount'\n" - "\t\t\t\tability in the origin file system")); - case ZFS_DELEG_NOTE_PROMOTE: - return (dgettext(TEXT_DOMAIN, "Must also have the 'mount'\n" - "\t\t\t\tand 'promote' ability in the origin file system")); - case ZFS_DELEG_NOTE_RENAME: - return (dgettext(TEXT_DOMAIN, "Must also have the 'mount' " - "and 'create' \n\t\t\t\tability in the new parent")); - case ZFS_DELEG_NOTE_RECEIVE: - return (dgettext(TEXT_DOMAIN, "Must also have the 'mount'" - " and 'create' ability")); - case ZFS_DELEG_NOTE_USERPROP: - return (dgettext(TEXT_DOMAIN, - "Allows changing any user property")); - case ZFS_DELEG_NOTE_ALLOW: - return (dgettext(TEXT_DOMAIN, - "Must also have the permission that is being\n" - "\t\t\t\tallowed")); - case ZFS_DELEG_NOTE_MOUNT: - return (dgettext(TEXT_DOMAIN, - "Allows mount/umount of ZFS datasets")); - case ZFS_DELEG_NOTE_SHARE: - return (dgettext(TEXT_DOMAIN, - "Allows sharing file systems over NFS or SMB\n" - "\t\t\t\tprotocols")); - case ZFS_DELEG_NOTE_NONE: default: - return (dgettext(TEXT_DOMAIN, "")); - } -} - -typedef enum { - ZFS_DELEG_SUBCOMMAND, - ZFS_DELEG_PROP, - ZFS_DELEG_OTHER -} zfs_deleg_perm_type_t; - -/* - * is the permission a subcommand or other? - */ -zfs_deleg_perm_type_t -zfs_deleg_perm_type(const char *perm) -{ - if (strcmp(perm, "userprop") == 0) - return (ZFS_DELEG_OTHER); - else - return (ZFS_DELEG_SUBCOMMAND); -} - -static char * -zfs_deleg_perm_type_str(zfs_deleg_perm_type_t type) -{ - switch (type) { - case ZFS_DELEG_SUBCOMMAND: - return (dgettext(TEXT_DOMAIN, "subcommand")); - case ZFS_DELEG_PROP: - return (dgettext(TEXT_DOMAIN, "property")); - case ZFS_DELEG_OTHER: - return (dgettext(TEXT_DOMAIN, "other")); - } - return (""); -} - -/*ARGSUSED*/ -static int -zfs_deleg_prop_cb(int prop, void *cb) -{ - if (zfs_prop_delegatable(prop)) - (void) fprintf(stderr, "%-15s %-15s\n", zfs_prop_to_name(prop), - zfs_deleg_perm_type_str(ZFS_DELEG_PROP)); - - return (ZPROP_CONT); -} - -void -zfs_deleg_permissions(void) -{ - int i; - - (void) fprintf(stderr, "\n%-15s %-15s\t%s\n\n", "NAME", - "TYPE", "NOTES"); - - /* - * First print out the subcommands - */ - for (i = 0; zfs_deleg_perm_tab[i].z_perm != NULL; i++) { - (void) fprintf(stderr, "%-15s %-15s\t%s\n", - zfs_deleg_perm_tab[i].z_perm, - zfs_deleg_perm_type_str( - zfs_deleg_perm_type(zfs_deleg_perm_tab[i].z_perm)), - zfs_deleg_perm_note(zfs_deleg_perm_tab[i].z_note)); + return (B_FALSE); } - - (void) zprop_iter(zfs_deleg_prop_cb, NULL, B_FALSE, B_TRUE, - ZFS_TYPE_DATASET|ZFS_TYPE_VOLUME); } /* @@ -1928,7 +1338,7 @@ zfs_deleg_permissions(void) int zfs_prop_set(zfs_handle_t *zhp, const char *propname, const char *propval) { - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; int ret = -1; prop_changelist_t *cl = NULL; char errbuf[1024]; @@ -1937,6 +1347,7 @@ zfs_prop_set(zfs_handle_t *zhp, const char *propname, const char *propval) zfs_prop_t prop; boolean_t do_prefix; uint64_t idx; + int added_resv = 0; (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), @@ -1957,6 +1368,11 @@ zfs_prop_set(zfs_handle_t *zhp, const char *propname, const char *propval) prop = zfs_name_to_prop(propname); + if (prop == ZFS_PROP_VOLSIZE) { + if ((added_resv = zfs_add_synthetic_resv(zhp, nvl)) == -1) + goto error; + } + if ((cl = changelist_gather(zhp, prop, 0, 0)) == NULL) goto error; @@ -1988,90 +1404,45 @@ zfs_prop_set(zfs_handle_t *zhp, const char *propname, const char *propval) goto error; ret = zfs_ioctl(hdl, ZFS_IOC_SET_PROP, &zc); + if (ret != 0) { - switch (errno) { + zfs_setprop_error(hdl, prop, errno, errbuf); + if (added_resv && errno == ENOSPC) { + /* clean up the volsize property we tried to set */ + uint64_t old_volsize = zfs_prop_get_int(zhp, + ZFS_PROP_VOLSIZE); + nvlist_free(nvl); + zcmd_free_nvlists(&zc); + if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) + goto error; + if (nvlist_add_uint64(nvl, + zfs_prop_to_name(ZFS_PROP_VOLSIZE), + old_volsize) != 0) + goto error; + if (zcmd_write_src_nvlist(hdl, &zc, nvl) != 0) + goto error; + (void) zfs_ioctl(hdl, ZFS_IOC_SET_PROP, &zc); + } + } else { + if (do_prefix) + ret = changelist_postfix(cl); - case ENOSPC: + if (ret == 0) { /* - * For quotas and reservations, ENOSPC indicates - * something different; setting a quota or reservation - * doesn't use any disk space. + * Refresh the statistics so the new property + * value is reflected. */ - switch (prop) { - case ZFS_PROP_QUOTA: - case ZFS_PROP_REFQUOTA: - zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, - "size is less than current used or " - "reserved space")); - (void) zfs_error(hdl, EZFS_PROPSPACE, errbuf); - break; - - case ZFS_PROP_RESERVATION: - case ZFS_PROP_REFRESERVATION: - zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, - "size is greater than available space")); - (void) zfs_error(hdl, EZFS_PROPSPACE, errbuf); - break; - - default: - (void) zfs_standard_error(hdl, errno, errbuf); - break; - } - break; - - case EBUSY: - if (prop == ZFS_PROP_VOLBLOCKSIZE) - (void) zfs_error(hdl, EZFS_VOLHASDATA, errbuf); - else - (void) zfs_standard_error(hdl, EBUSY, errbuf); - break; - - case EROFS: - (void) zfs_error(hdl, EZFS_DSREADONLY, errbuf); - break; - - case ENOTSUP: - zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, - "pool and or dataset must be upgraded to set this " - "property or value")); - (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); - break; - - case ERANGE: - if (prop == ZFS_PROP_COMPRESSION) { - (void) zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, - "property setting is not allowed on " - "bootable datasets")); - (void) zfs_error(hdl, EZFS_NOTSUP, errbuf); - } else { - (void) zfs_standard_error(hdl, errno, errbuf); - } - break; + (void) get_stats(zhp); - case EOVERFLOW: /* - * This platform can't address a volume this big. + * Remount the filesystem to propagate the change + * if one of the options handled by the generic + * Linux namespace layer has been modified. */ -#ifdef _ILP32 - if (prop == ZFS_PROP_VOLSIZE) { - (void) zfs_error(hdl, EZFS_VOLTOOBIG, errbuf); - break; - } -#endif - /* FALLTHROUGH */ - default: - (void) zfs_standard_error(hdl, errno, errbuf); + if (zfs_is_namespace_prop(prop) && + zfs_is_mounted(zhp, NULL)) + ret = zfs_mount(zhp, MNTOPT_REMOUNT, 0); } - } else { - if (do_prefix) - ret = changelist_postfix(cl); - - /* - * Refresh the statistics so the new property value - * is reflected. - */ - if (ret == 0) - (void) get_stats(zhp); } error: @@ -2083,12 +1454,13 @@ error: } /* - * Given a property, inherit the value from the parent dataset. + * Given a property, inherit the value from the parent dataset, or if received + * is TRUE, revert to the received value, if any. */ int -zfs_prop_inherit(zfs_handle_t *zhp, const char *propname) +zfs_prop_inherit(zfs_handle_t *zhp, const char *propname, boolean_t received) { - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; int ret; prop_changelist_t *cl; libzfs_handle_t *hdl = zhp->zfs_hdl; @@ -2098,6 +1470,7 @@ zfs_prop_inherit(zfs_handle_t *zhp, const char *propname) (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, "cannot inherit %s for '%s'"), propname, zhp->zfs_name); + zc.zc_cookie = received; if ((prop = zfs_name_to_prop(propname)) == ZPROP_INVAL) { /* * For user properties, the amount of work we have to do is very @@ -2124,7 +1497,7 @@ zfs_prop_inherit(zfs_handle_t *zhp, const char *propname) if (zfs_prop_readonly(prop)) return (zfs_error(hdl, EZFS_PROPREADONLY, errbuf)); - if (!zfs_prop_inheritable(prop)) + if (!zfs_prop_inheritable(prop) && !received) return (zfs_error(hdl, EZFS_PROPNONINHERIT, errbuf)); /* @@ -2134,7 +1507,7 @@ zfs_prop_inherit(zfs_handle_t *zhp, const char *propname) return (zfs_error(hdl, EZFS_PROPTYPE, errbuf)); /* - * Normalize the name, to get rid of shorthand abbrevations. + * Normalize the name, to get rid of shorthand abbreviations. */ propname = zfs_prop_to_name(prop); (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); @@ -2186,7 +1559,7 @@ error: * True DSL properties are stored in an nvlist. The following two functions * extract them appropriately. */ -static uint64_t +uint64_t getprop_uint64(zfs_handle_t *zhp, zfs_prop_t prop, char **source) { nvlist_t *nv; @@ -2198,6 +1571,8 @@ getprop_uint64(zfs_handle_t *zhp, zfs_prop_t prop, char **source) verify(nvlist_lookup_uint64(nv, ZPROP_VALUE, &value) == 0); (void) nvlist_lookup_string(nv, ZPROP_SOURCE, source); } else { + verify(!zhp->zfs_props_table || + zhp->zfs_props_table[prop] == B_TRUE); value = zfs_prop_default_numeric(prop); *source = ""; } @@ -2217,6 +1592,8 @@ getprop_string(zfs_handle_t *zhp, zfs_prop_t prop, char **source) verify(nvlist_lookup_string(nv, ZPROP_VALUE, &value) == 0); (void) nvlist_lookup_string(nv, ZPROP_SOURCE, source); } else { + verify(!zhp->zfs_props_table || + zhp->zfs_props_table[prop] == B_TRUE); if ((value = (char *)zfs_prop_default_string(prop)) == NULL) value = ""; *source = ""; @@ -2225,12 +1602,32 @@ getprop_string(zfs_handle_t *zhp, zfs_prop_t prop, char **source) return (value); } +static boolean_t +zfs_is_recvd_props_mode(zfs_handle_t *zhp) +{ + return (zhp->zfs_props == zhp->zfs_recvd_props); +} + +static void +zfs_set_recvd_props_mode(zfs_handle_t *zhp, uint64_t *cookie) +{ + *cookie = (uint64_t)(uintptr_t)zhp->zfs_props; + zhp->zfs_props = zhp->zfs_recvd_props; +} + +static void +zfs_unset_recvd_props_mode(zfs_handle_t *zhp, uint64_t *cookie) +{ + zhp->zfs_props = (nvlist_t *)(uintptr_t)*cookie; + *cookie = 0; +} + /* * Internal function for getting a numeric property. Both zfs_prop_get() and * zfs_prop_get_int() are built using this interface. * * Certain properties can be overridden using 'mount -o'. In this case, scan - * the contents of the /etc/mnttab entry, searching for the appropriate options. + * the contents of the /etc/mtab entry, searching for the appropriate options. * If they differ from the on-disk values, report the current values and mark * the source "temporary". */ @@ -2238,11 +1635,12 @@ static int get_numeric_property(zfs_handle_t *zhp, zfs_prop_t prop, zprop_source_t *src, char **source, uint64_t *val) { - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; nvlist_t *zplprops = NULL; struct mnttab mnt; char *mntopt_on = NULL; char *mntopt_off = NULL; + boolean_t received = zfs_is_recvd_props_mode(zhp); *source = NULL; @@ -2281,11 +1679,13 @@ get_numeric_property(zfs_handle_t *zhp, zfs_prop_t prop, zprop_source_t *src, mntopt_on = MNTOPT_NBMAND; mntopt_off = MNTOPT_NONBMAND; break; + default: + break; } /* * Because looking up the mount options is potentially expensive - * (iterating over all of /etc/mnttab), we defer its calculation until + * (iterating over all of /etc/mtab), we defer its calculation until * we're looking up a property which requires its presence. */ if (!zhp->zfs_mntcheck && @@ -2318,6 +1718,9 @@ get_numeric_property(zfs_handle_t *zhp, zfs_prop_t prop, zprop_source_t *src, case ZFS_PROP_NBMAND: *val = getprop_uint64(zhp, prop, source); + if (received) + break; + if (hasmntopt(&mnt, mntopt_on) && !*val) { *val = B_TRUE; if (src) @@ -2330,22 +1733,17 @@ get_numeric_property(zfs_handle_t *zhp, zfs_prop_t prop, zprop_source_t *src, break; case ZFS_PROP_CANMOUNT: - *val = getprop_uint64(zhp, prop, source); - if (*val != ZFS_CANMOUNT_ON) - *source = zhp->zfs_name; - else - *source = ""; /* default */ - break; - + case ZFS_PROP_VOLSIZE: case ZFS_PROP_QUOTA: case ZFS_PROP_REFQUOTA: case ZFS_PROP_RESERVATION: case ZFS_PROP_REFRESERVATION: *val = getprop_uint64(zhp, prop, source); - if (*val == 0) - *source = ""; /* default */ - else + + if (*source == NULL) { + /* not default, must be local */ *source = zhp->zfs_name; + } break; case ZFS_PROP_MOUNTED: @@ -2366,21 +1764,13 @@ get_numeric_property(zfs_handle_t *zhp, zfs_prop_t prop, zprop_source_t *src, (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_OBJSET_ZPLPROPS, &zc)) { zcmd_free_nvlists(&zc); - zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, - "unable to get %s property"), - zfs_prop_to_name(prop)); - return (zfs_error(zhp->zfs_hdl, EZFS_BADVERSION, - dgettext(TEXT_DOMAIN, "internal error"))); + return (-1); } if (zcmd_read_dst_nvlist(zhp->zfs_hdl, &zc, &zplprops) != 0 || nvlist_lookup_uint64(zplprops, zfs_prop_to_name(prop), val) != 0) { zcmd_free_nvlists(&zc); - zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, - "unable to get %s property"), - zfs_prop_to_name(prop)); - return (zfs_error(zhp->zfs_hdl, EZFS_NOMEM, - dgettext(TEXT_DOMAIN, "internal error"))); + return (-1); } if (zplprops) nvlist_free(zplprops); @@ -2393,13 +1783,13 @@ get_numeric_property(zfs_handle_t *zhp, zfs_prop_t prop, zprop_source_t *src, case PROP_TYPE_INDEX: *val = getprop_uint64(zhp, prop, source); /* - * If we tried to use a defalut value for a + * If we tried to use a default value for a * readonly property, it means that it was not - * present; return an error. + * present. */ if (zfs_prop_readonly(prop) && - *source && (*source)[0] == '\0') { - return (-1); + *source != NULL && (*source)[0] == '\0') { + *source = NULL; } break; @@ -2429,6 +1819,8 @@ get_source(zfs_handle_t *zhp, zprop_source_t *srctype, char *source, *srctype = ZPROP_SRC_NONE; } else if (source[0] == '\0') { *srctype = ZPROP_SRC_DEFAULT; + } else if (strstr(source, ZPROP_SOURCE_VAL_RECVD) != NULL) { + *srctype = ZPROP_SRC_RECEIVED; } else { if (strcmp(source, zhp->zfs_name) == 0) { *srctype = ZPROP_SRC_LOCAL; @@ -2440,6 +1832,43 @@ get_source(zfs_handle_t *zhp, zprop_source_t *srctype, char *source, } +int +zfs_prop_get_recvd(zfs_handle_t *zhp, const char *propname, char *propbuf, + size_t proplen, boolean_t literal) +{ + zfs_prop_t prop; + int err = 0; + + if (zhp->zfs_recvd_props == NULL) + if (get_recvd_props_ioctl(zhp) != 0) + return (-1); + + prop = zfs_name_to_prop(propname); + + if (prop != ZPROP_INVAL) { + uint64_t cookie; + if (!nvlist_exists(zhp->zfs_recvd_props, propname)) + return (-1); + zfs_set_recvd_props_mode(zhp, &cookie); + err = zfs_prop_get(zhp, prop, propbuf, proplen, + NULL, NULL, 0, literal); + zfs_unset_recvd_props_mode(zhp, &cookie); + } else if (zfs_prop_userquota(propname)) { + return (-1); + } else { + nvlist_t *propval; + char *recvdval; + if (nvlist_lookup_nvlist(zhp->zfs_recvd_props, + propname, &propval) != 0) + return (-1); + verify(nvlist_lookup_string(propval, ZPROP_VALUE, + &recvdval) == 0); + (void) strlcpy(propbuf, recvdval, proplen); + } + + return (err == 0 ? 0 : -1); +} + /* * Retrieve a property from the given object. If 'literal' is specified, then * numbers are left as exact values. Otherwise, numbers are converted to a @@ -2455,6 +1884,7 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen, uint64_t val; char *str; const char *strval; + boolean_t received = zfs_is_recvd_props_mode(zhp); /* * Check to see if this property applies to our object @@ -2462,6 +1892,9 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen, if (!zfs_prop_valid_for_type(prop, zhp->zfs_type)) return (-1); + if (received && zfs_prop_readonly(prop)) + return (-1); + if (src) *src = ZPROP_SRC_NONE; @@ -2480,7 +1913,7 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen, localtime_r(&time, &t) == NULL || strftime(propbuf, proplen, "%a %b %e %k:%M %Y", &t) == 0) - (void) snprintf(propbuf, proplen, "%llu", val); + (void) snprintf(propbuf, proplen, "%llu", (u_longlong_t) val); } break; @@ -2501,10 +1934,22 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen, if (str[0] == '/') { char buf[MAXPATHLEN]; char *root = buf; - const char *relpath = zhp->zfs_name + strlen(source); + const char *relpath; - if (relpath[0] == '/') - relpath++; + /* + * If we inherit the mountpoint, even from a dataset + * with a received value, the source will be the path of + * the dataset we inherit from. If source is + * ZPROP_SOURCE_VAL_RECVD, the received value is not + * inherited. + */ + if (strcmp(source, ZPROP_SOURCE_VAL_RECVD) == 0) { + relpath = ""; + } else { + relpath = zhp->zfs_name + strlen(source); + if (relpath[0] == '/') + relpath++; + } if ((zpool_get_prop(zhp->zpool_hdl, ZPOOL_PROP_ALTROOT, buf, MAXPATHLEN, NULL)) || @@ -2583,8 +2028,9 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen, case ZFS_PROP_COMPRESSRATIO: if (get_numeric_property(zhp, prop, src, &source, &val) != 0) return (-1); - (void) snprintf(propbuf, proplen, "%lld.%02lldx", (longlong_t) - val / 100, (longlong_t)val % 100); + (void) snprintf(propbuf, proplen, "%llu.%02llux", + (u_longlong_t)(val / 100), + (u_longlong_t)(val % 100)); break; case ZFS_PROP_TYPE: @@ -2620,13 +2066,56 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen, (void) strlcpy(propbuf, "no", proplen); break; - case ZFS_PROP_NAME: - /* - * The 'name' property is a pseudo-property derived from the - * dataset name. It is presented as a real property to simplify - * consumers. - */ - (void) strlcpy(propbuf, zhp->zfs_name, proplen); + case ZFS_PROP_NAME: + /* + * The 'name' property is a pseudo-property derived from the + * dataset name. It is presented as a real property to simplify + * consumers. + */ + (void) strlcpy(propbuf, zhp->zfs_name, proplen); + break; + + case ZFS_PROP_MLSLABEL: + { +#ifdef HAVE_MLSLABEL + m_label_t *new_sl = NULL; + char *ascii = NULL; /* human readable label */ + + (void) strlcpy(propbuf, + getprop_string(zhp, prop, &source), proplen); + + if (literal || (strcasecmp(propbuf, + ZFS_MLSLABEL_DEFAULT) == 0)) + break; + + /* + * Try to translate the internal hex string to + * human-readable output. If there are any + * problems just use the hex string. + */ + + if (str_to_label(propbuf, &new_sl, MAC_LABEL, + L_NO_CORRECTION, NULL) == -1) { + m_label_free(new_sl); + break; + } + + if (label_to_str(new_sl, &ascii, M_LABEL, + DEF_NAMES) != 0) { + if (ascii) + free(ascii); + m_label_free(new_sl); + break; + } + m_label_free(new_sl); + + (void) strlcpy(propbuf, ascii, proplen); + free(ascii); +#else + (void) strlcpy(propbuf, + getprop_string(zhp, prop, &source), proplen); +#endif /* HAVE_MLSLABEL */ + } break; default: @@ -2687,7 +2176,7 @@ zfs_prop_set_int(zfs_handle_t *zhp, zfs_prop_t prop, uint64_t val) { char buf[64]; - zfs_nicenum(val, buf, sizeof (buf)); + (void) snprintf(buf, sizeof (buf), "%llu", (longlong_t)val); return (zfs_prop_set(zhp, zfs_prop_to_name(prop), buf)); } @@ -2720,6 +2209,221 @@ zfs_prop_get_numeric(zfs_handle_t *zhp, zfs_prop_t prop, uint64_t *value, return (0); } +#ifdef HAVE_IDMAP +static int +idmap_id_to_numeric_domain_rid(uid_t id, boolean_t isuser, + char **domainp, idmap_rid_t *ridp) +{ + idmap_get_handle_t *get_hdl = NULL; + idmap_stat status; + int err = EINVAL; + + if (idmap_get_create(&get_hdl) != IDMAP_SUCCESS) + goto out; + + if (isuser) { + err = idmap_get_sidbyuid(get_hdl, id, + IDMAP_REQ_FLG_USE_CACHE, domainp, ridp, &status); + } else { + err = idmap_get_sidbygid(get_hdl, id, + IDMAP_REQ_FLG_USE_CACHE, domainp, ridp, &status); + } + if (err == IDMAP_SUCCESS && + idmap_get_mappings(get_hdl) == IDMAP_SUCCESS && + status == IDMAP_SUCCESS) + err = 0; + else + err = EINVAL; +out: + if (get_hdl) + idmap_get_destroy(get_hdl); + return (err); +} +#endif /* HAVE_IDMAP */ + +/* + * convert the propname into parameters needed by kernel + * Eg: userquota@ahrens -> ZFS_PROP_USERQUOTA, "", 126829 + * Eg: userused@matt@domain -> ZFS_PROP_USERUSED, "S-1-123-456", 789 + */ +static int +userquota_propname_decode(const char *propname, boolean_t zoned, + zfs_userquota_prop_t *typep, char *domain, int domainlen, uint64_t *ridp) +{ + zfs_userquota_prop_t type; + char *cp, *end; + char *numericsid = NULL; + boolean_t isuser; + + domain[0] = '\0'; + + /* Figure out the property type ({user|group}{quota|space}) */ + for (type = 0; type < ZFS_NUM_USERQUOTA_PROPS; type++) { + if (strncmp(propname, zfs_userquota_prop_prefixes[type], + strlen(zfs_userquota_prop_prefixes[type])) == 0) + break; + } + if (type == ZFS_NUM_USERQUOTA_PROPS) + return (EINVAL); + *typep = type; + + isuser = (type == ZFS_PROP_USERQUOTA || + type == ZFS_PROP_USERUSED); + + cp = strchr(propname, '@') + 1; + + if (strchr(cp, '@')) { +#ifdef HAVE_IDMAP + /* + * It's a SID name (eg "user@domain") that needs to be + * turned into S-1-domainID-RID. + */ + directory_error_t e; + if (zoned && getzoneid() == GLOBAL_ZONEID) + return (ENOENT); + if (isuser) { + e = directory_sid_from_user_name(NULL, + cp, &numericsid); + } else { + e = directory_sid_from_group_name(NULL, + cp, &numericsid); + } + if (e != NULL) { + directory_error_free(e); + return (ENOENT); + } + if (numericsid == NULL) + return (ENOENT); + cp = numericsid; + /* will be further decoded below */ +#else + return (ENOSYS); +#endif /* HAVE_IDMAP */ + } + + if (strncmp(cp, "S-1-", 4) == 0) { + /* It's a numeric SID (eg "S-1-234-567-89") */ + (void) strlcpy(domain, cp, domainlen); + cp = strrchr(domain, '-'); + *cp = '\0'; + cp++; + + errno = 0; + *ridp = strtoull(cp, &end, 10); + if (numericsid) { + free(numericsid); + numericsid = NULL; + } + if (errno != 0 || *end != '\0') + return (EINVAL); + } else if (!isdigit(*cp)) { + /* + * It's a user/group name (eg "user") that needs to be + * turned into a uid/gid + */ + if (zoned && getzoneid() == GLOBAL_ZONEID) + return (ENOENT); + if (isuser) { + struct passwd *pw; + pw = getpwnam(cp); + if (pw == NULL) + return (ENOENT); + *ridp = pw->pw_uid; + } else { + struct group *gr; + gr = getgrnam(cp); + if (gr == NULL) + return (ENOENT); + *ridp = gr->gr_gid; + } + } else { +#ifdef HAVE_IDMAP + /* It's a user/group ID (eg "12345"). */ + uid_t id = strtoul(cp, &end, 10); + idmap_rid_t rid; + char *mapdomain; + + if (*end != '\0') + return (EINVAL); + if (id > MAXUID) { + /* It's an ephemeral ID. */ + if (idmap_id_to_numeric_domain_rid(id, isuser, + &mapdomain, &rid) != 0) + return (ENOENT); + (void) strlcpy(domain, mapdomain, domainlen); + *ridp = rid; + } else { + *ridp = id; + } +#else + return (ENOSYS); +#endif /* HAVE_IDMAP */ + } + + ASSERT3P(numericsid, ==, NULL); + return (0); +} + +static int +zfs_prop_get_userquota_common(zfs_handle_t *zhp, const char *propname, + uint64_t *propvalue, zfs_userquota_prop_t *typep) +{ + int err; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; + + (void) strncpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); + + err = userquota_propname_decode(propname, + zfs_prop_get_int(zhp, ZFS_PROP_ZONED), + typep, zc.zc_value, sizeof (zc.zc_value), &zc.zc_guid); + zc.zc_objset_type = *typep; + if (err) + return (err); + + err = ioctl(zhp->zfs_hdl->libzfs_fd, ZFS_IOC_USERSPACE_ONE, &zc); + if (err) + return (err); + + *propvalue = zc.zc_cookie; + return (0); +} + +int +zfs_prop_get_userquota_int(zfs_handle_t *zhp, const char *propname, + uint64_t *propvalue) +{ + zfs_userquota_prop_t type; + + return (zfs_prop_get_userquota_common(zhp, propname, propvalue, + &type)); +} + +int +zfs_prop_get_userquota(zfs_handle_t *zhp, const char *propname, + char *propbuf, int proplen, boolean_t literal) +{ + int err; + uint64_t propvalue; + zfs_userquota_prop_t type; + + err = zfs_prop_get_userquota_common(zhp, propname, &propvalue, + &type); + + if (err) + return (err); + + if (literal) { + (void) snprintf(propbuf, proplen, "%llu", + (u_longlong_t)propvalue); + } else if (propvalue == 0 && + (type == ZFS_PROP_USERQUOTA || type == ZFS_PROP_GROUPQUOTA)) { + (void) strlcpy(propbuf, "none", proplen); + } else { + zfs_nicenum(propvalue, propbuf, proplen); + } + return (0); +} + /* * Returns the name of the given zfs handle. */ @@ -2784,7 +2488,7 @@ top: int zfs_iter_filesystems(zfs_handle_t *zhp, zfs_iter_f func, void *data) { - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; zfs_handle_t *nzhp; int ret; @@ -2797,12 +2501,6 @@ zfs_iter_filesystems(zfs_handle_t *zhp, zfs_iter_f func, void *data) while ((ret = zfs_do_list_ioctl(zhp, ZFS_IOC_DATASET_LIST_NEXT, &zc)) == 0) { /* - * Ignore private dataset names. - */ - if (dataset_name_hidden(zc.zc_name)) - continue; - - /* * Silently ignore errors, as the only plausible explanation is * that the pool has since been removed. */ @@ -2826,7 +2524,7 @@ zfs_iter_filesystems(zfs_handle_t *zhp, zfs_iter_f func, void *data) int zfs_iter_snapshots(zfs_handle_t *zhp, zfs_iter_f func, void *data) { - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; zfs_handle_t *nzhp; int ret; @@ -2867,6 +2565,27 @@ zfs_iter_children(zfs_handle_t *zhp, zfs_iter_f func, void *data) } /* + * Is one dataset name a child dataset of another? + * + * Needs to handle these cases: + * Dataset 1 "a/foo" "a/foo" "a/foo" "a/foo" + * Dataset 2 "a/fo" "a/foobar" "a/bar/baz" "a/foo/bar" + * Descendant? No. No. No. Yes. + */ +static boolean_t +is_descendant(const char *ds1, const char *ds2) +{ + size_t d1len = strlen(ds1); + + /* ds2 can't be a descendant if it's smaller */ + if (strlen(ds2) < d1len) + return (B_FALSE); + + /* otherwise, compare strings and verify that there's a '/' char */ + return (ds2[d1len] == '/' && (strncmp(ds1, ds2, d1len) == 0)); +} + +/* * Given a complete name, return just the portion that refers to the parent. * Can return NULL if this is a pool. */ @@ -2896,11 +2615,12 @@ static int check_parents(libzfs_handle_t *hdl, const char *path, uint64_t *zoned, boolean_t accept_ancestor, int *prefixlen) { - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; char parent[ZFS_MAXNAMELEN]; char *slash; zfs_handle_t *zhp; char errbuf[1024]; + uint64_t is_zoned; (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, "cannot create '%s'"), path); @@ -2943,9 +2663,12 @@ check_parents(libzfs_handle_t *hdl, const char *path, uint64_t *zoned, return (zfs_standard_error(hdl, errno, errbuf)); } - *zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED); + is_zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED); + if (zoned != NULL) + *zoned = is_zoned; + /* we are in a non-global zone, but parent is in the global zone */ - if (getzoneid() != GLOBAL_ZONEID && !(*zoned)) { + if (getzoneid() != GLOBAL_ZONEID && !is_zoned) { (void) zfs_standard_error(hdl, EPERM, errbuf); zfs_close(zhp); return (-1); @@ -3021,7 +2744,7 @@ create_parents(libzfs_handle_t *hdl, char *target, int prefixlen) * up to the prefixlen-long one. */ for (cp = target + prefixlen + 1; - cp = strchr(cp, '/'); *cp = '/', cp++) { + (cp = strchr(cp, '/')); *cp = '/', cp++) { char *logstr; *cp = '\0'; @@ -3077,11 +2800,10 @@ int zfs_create_ancestors(libzfs_handle_t *hdl, const char *path) { int prefix; - uint64_t zoned; char *path_copy; - int rc; + int rc = 0; - if (check_parents(hdl, path, &zoned, B_TRUE, &prefix) != 0) + if (check_parents(hdl, path, NULL, B_TRUE, &prefix) != 0) return (-1); if ((path_copy = strdup(path)) != NULL) { @@ -3101,7 +2823,7 @@ int zfs_create(libzfs_handle_t *hdl, const char *path, zfs_type_t type, nvlist_t *props) { - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; int ret; uint64_t size = 0; uint64_t blocksize = zfs_prop_default_numeric(ZFS_PROP_VOLBLOCKSIZE); @@ -3262,22 +2984,13 @@ zfs_create(libzfs_handle_t *hdl, const char *path, zfs_type_t type, * isn't mounted, and that there are no active dependents. */ int -zfs_destroy(zfs_handle_t *zhp) +zfs_destroy(zfs_handle_t *zhp, boolean_t defer) { - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); if (ZFS_IS_VOLUME(zhp)) { - /* - * If user doesn't have permissions to unshare volume, then - * abort the request. This would only happen for a - * non-privileged user. - */ - if (zfs_unshare_iscsi(zhp) != 0) { - return (-1); - } - if (zvol_remove_link(zhp->zfs_hdl, zhp->zfs_name) != 0) return (-1); @@ -3286,6 +2999,7 @@ zfs_destroy(zfs_handle_t *zhp) zc.zc_objset_type = DMU_OST_ZFS; } + zc.zc_defer_destroy = defer; if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_DESTROY, &zc) != 0) { return (zfs_standard_error_fmt(zhp->zfs_hdl, errno, dgettext(TEXT_DOMAIN, "cannot destroy '%s'"), @@ -3304,13 +3018,13 @@ struct destroydata { }; static int -zfs_remove_link_cb(zfs_handle_t *zhp, void *arg) +zfs_check_snap_cb(zfs_handle_t *zhp, void *arg) { struct destroydata *dd = arg; zfs_handle_t *szhp; char name[ZFS_MAXNAMELEN]; boolean_t closezhp = dd->closezhp; - int rv; + int rv = 0; (void) strlcpy(name, zhp->zfs_name, sizeof (name)); (void) strlcat(name, "@", sizeof (name)); @@ -3332,7 +3046,7 @@ zfs_remove_link_cb(zfs_handle_t *zhp, void *arg) } dd->closezhp = B_TRUE; - rv = zfs_iter_filesystems(zhp, zfs_remove_link_cb, arg); + rv = zfs_iter_filesystems(zhp, zfs_check_snap_cb, arg); if (closezhp) zfs_close(zhp); return (rv); @@ -3342,14 +3056,14 @@ zfs_remove_link_cb(zfs_handle_t *zhp, void *arg) * Destroys all snapshots with the given name in zhp & descendants. */ int -zfs_destroy_snaps(zfs_handle_t *zhp, char *snapname) +zfs_destroy_snaps(zfs_handle_t *zhp, char *snapname, boolean_t defer) { - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; int ret; struct destroydata dd = { 0 }; dd.snapname = snapname; - (void) zfs_remove_link_cb(zhp, &dd); + (void) zfs_check_snap_cb(zhp, &dd); if (!dd.gotone) { return (zfs_standard_error_fmt(zhp->zfs_hdl, ENOENT, @@ -3359,6 +3073,7 @@ zfs_destroy_snaps(zfs_handle_t *zhp, char *snapname) (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); (void) strlcpy(zc.zc_value, snapname, sizeof (zc.zc_value)); + zc.zc_defer_destroy = defer; ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_DESTROY_SNAPS, &zc); if (ret != 0) { @@ -3388,7 +3103,7 @@ zfs_destroy_snaps(zfs_handle_t *zhp, char *snapname) int zfs_clone(zfs_handle_t *zhp, const char *target, nvlist_t *props) { - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; char parent[ZFS_MAXNAMELEN]; int ret; char errbuf[1024]; @@ -3537,7 +3252,7 @@ int zfs_promote(zfs_handle_t *zhp) { libzfs_handle_t *hdl = zhp->zfs_hdl; - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; char parent[MAXPATHLEN]; char *cp; int ret; @@ -3602,8 +3317,8 @@ zfs_promote(zfs_handle_t *zhp) * have renamed something in the mean time. */ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, - "conflicting snapshot name from parent '%s'"), - parent); + "conflicting snapshot '%s' from parent '%s'"), + zc.zc_string, parent); return (zfs_error(hdl, EZFS_EXISTS, errbuf)); default: @@ -3660,7 +3375,7 @@ zfs_snapshot(libzfs_handle_t *hdl, const char *path, boolean_t recursive, const char *delim; char parent[ZFS_MAXNAMELEN]; zfs_handle_t *zhp; - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; int ret; char errbuf[1024]; @@ -3774,7 +3489,7 @@ rollback_destroy(zfs_handle_t *zhp, void *data) logstr = zhp->zfs_hdl->libzfs_log_str; zhp->zfs_hdl->libzfs_log_str = NULL; - cbp->cb_error |= zfs_destroy(zhp); + cbp->cb_error |= zfs_destroy(zhp, B_FALSE); zhp->zfs_hdl->libzfs_log_str = logstr; } } else { @@ -3788,7 +3503,7 @@ rollback_destroy(zfs_handle_t *zhp, void *data) zfs_close(zhp); return (0); } - if (zfs_destroy(zhp) != 0) + if (zfs_destroy(zhp, B_FALSE) != 0) cbp->cb_error = B_TRUE; else changelist_remove(clp, zhp->zfs_name); @@ -3812,10 +3527,10 @@ zfs_rollback(zfs_handle_t *zhp, zfs_handle_t *snap, boolean_t force) { rollback_data_t cb = { 0 }; int err; - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; boolean_t restore_resv = 0; - uint64_t old_volsize, new_volsize; - zfs_prop_t resv_prop; + uint64_t old_volsize = 0, new_volsize; + zfs_prop_t resv_prop = { 0 }; assert(zhp->zfs_type == ZFS_TYPE_FILESYSTEM || zhp->zfs_type == ZFS_TYPE_VOLUME); @@ -3876,7 +3591,7 @@ zfs_rollback(zfs_handle_t *zhp, zfs_handle_t *snap, boolean_t force) */ if ((zhp->zfs_type == ZFS_TYPE_VOLUME) && (zhp = make_dataset_handle(zhp->zfs_hdl, zhp->zfs_name))) { - if (err = zvol_create_link(zhp->zfs_hdl, zhp->zfs_name)) { + if ((err = zvol_create_link(zhp->zfs_hdl, zhp->zfs_name))) { zfs_close(zhp); return (err); } @@ -3934,7 +3649,7 @@ int zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive) { int ret; - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; char *delim; prop_changelist_t *cl = NULL; zfs_handle_t *zhrp = NULL; @@ -3994,14 +3709,11 @@ zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive) if (!zfs_validate_name(hdl, target, zhp->zfs_type, B_TRUE)) return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); - uint64_t unused; /* validate parents */ - if (check_parents(hdl, target, &unused, B_FALSE, NULL) != 0) + if (check_parents(hdl, target, NULL, B_FALSE, NULL) != 0) return (-1); - (void) parent_name(target, parent, sizeof (parent)); - /* make sure we're in the same pool */ verify((delim = strchr(target, '/')) != NULL); if (strncmp(zhp->zfs_name, target, delim - target) != 0 || @@ -4012,10 +3724,9 @@ zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive) } /* new name cannot be a child of the current dataset name */ - if (strncmp(parent, zhp->zfs_name, - strlen(zhp->zfs_name)) == 0) { + if (is_descendant(zhp->zfs_name, target)) { zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, - "New dataset name cannot be a descendent of " + "New dataset name cannot be a descendant of " "current dataset name")); return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); } @@ -4052,7 +3763,7 @@ zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive) dd.closezhp = B_TRUE; /* We remove any zvol links prior to renaming them */ - ret = zfs_iter_filesystems(zhrp, zfs_remove_link_cb, &dd); + ret = zfs_iter_filesystems(zhrp, zfs_check_snap_cb, &dd); if (ret) { goto error; } @@ -4065,6 +3776,7 @@ zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive) "child dataset with inherited mountpoint is used " "in a non-global zone")); (void) zfs_error(hdl, EZFS_ZONED, errbuf); + ret = -1; goto error; } @@ -4144,7 +3856,7 @@ error: /* * Given a zvol dataset, issue the ioctl to create the appropriate minor node, - * poke devfsadm to create the /dev link, and then wait for the link to appear. + * and wait briefly for udev to create the /dev link. */ int zvol_create_link(libzfs_handle_t *hdl, const char *dataset) @@ -4155,10 +3867,9 @@ zvol_create_link(libzfs_handle_t *hdl, const char *dataset) static int zvol_create_link_common(libzfs_handle_t *hdl, const char *dataset, int ifexists) { - zfs_cmd_t zc = { 0 }; - di_devlink_handle_t dhdl; - priv_set_t *priv_effective; - int privileged; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; + char path[MAXPATHLEN]; + int error; (void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name)); @@ -4195,52 +3906,13 @@ zvol_create_link_common(libzfs_handle_t *hdl, const char *dataset, int ifexists) } /* - * If privileged call devfsadm and wait for the links to - * magically appear. - * Otherwise, print out an informational message. + * Wait up to 10 seconds for udev to create the device. */ - - priv_effective = priv_allocset(); - (void) getppriv(PRIV_EFFECTIVE, priv_effective); - privileged = (priv_isfullset(priv_effective) == B_TRUE); - priv_freeset(priv_effective); - - if (privileged) { - if ((dhdl = di_devlink_init(ZFS_DRIVER, - DI_MAKE_LINK)) == NULL) { - zfs_error_aux(hdl, strerror(errno)); - (void) zfs_error_fmt(hdl, errno, - dgettext(TEXT_DOMAIN, "cannot create device links " - "for '%s'"), dataset); - (void) ioctl(hdl->libzfs_fd, ZFS_IOC_REMOVE_MINOR, &zc); - return (-1); - } else { - (void) di_devlink_fini(&dhdl); - } - } else { - char pathname[MAXPATHLEN]; - struct stat64 statbuf; - int i; - -#define MAX_WAIT 10 - - /* - * This is the poor mans way of waiting for the link - * to show up. If after 10 seconds we still don't - * have it, then print out a message. - */ - (void) snprintf(pathname, sizeof (pathname), "/dev/zvol/dsk/%s", - dataset); - - for (i = 0; i != MAX_WAIT; i++) { - if (stat64(pathname, &statbuf) == 0) - break; - (void) sleep(1); - } - if (i == MAX_WAIT) - (void) printf(gettext("%s may not be immediately " - "available\n"), pathname); - } + (void) snprintf(path, sizeof (path), "%s/%s", ZVOL_DIR, dataset); + error = zpool_label_disk_wait(path, 10000); + if (error) + (void) printf(gettext("%s may not be immediately " + "available\n"), path); return (0); } @@ -4251,7 +3923,7 @@ zvol_create_link_common(libzfs_handle_t *hdl, const char *dataset, int ifexists) int zvol_remove_link(libzfs_handle_t *hdl, const char *dataset) { - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; (void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name)); @@ -4290,10 +3962,12 @@ zfs_get_user_props(zfs_handle_t *zhp) * for new unique user properties and add them to the list. * * - For non fixed-width properties, keep track of the maximum width seen - * so that we can size the column appropriately. + * so that we can size the column appropriately. If the user has + * requested received property values, we also need to compute the width + * of the RECEIVED column. */ int -zfs_expand_proplist(zfs_handle_t *zhp, zprop_list_t **plp) +zfs_expand_proplist(zfs_handle_t *zhp, zprop_list_t **plp, boolean_t received) { libzfs_handle_t *hdl = zhp->zfs_hdl; zprop_list_t *entry; @@ -4364,78 +4038,313 @@ zfs_expand_proplist(zfs_handle_t *zhp, zprop_list_t **plp) if (strlen(buf) > entry->pl_width) entry->pl_width = strlen(buf); } - } else if (nvlist_lookup_nvlist(userprops, - entry->pl_user_prop, &propval) == 0) { - verify(nvlist_lookup_string(propval, - ZPROP_VALUE, &strval) == 0); - if (strlen(strval) > entry->pl_width) - entry->pl_width = strlen(strval); + if (received && zfs_prop_get_recvd(zhp, + zfs_prop_to_name(entry->pl_prop), + buf, sizeof (buf), B_FALSE) == 0) + if (strlen(buf) > entry->pl_recvd_width) + entry->pl_recvd_width = strlen(buf); + } else { + if (nvlist_lookup_nvlist(userprops, entry->pl_user_prop, + &propval) == 0) { + verify(nvlist_lookup_string(propval, + ZPROP_VALUE, &strval) == 0); + if (strlen(strval) > entry->pl_width) + entry->pl_width = strlen(strval); + } + if (received && zfs_prop_get_recvd(zhp, + entry->pl_user_prop, + buf, sizeof (buf), B_FALSE) == 0) + if (strlen(buf) > entry->pl_recvd_width) + entry->pl_recvd_width = strlen(buf); } } return (0); } -int -zfs_iscsi_perm_check(libzfs_handle_t *hdl, char *dataset, ucred_t *cred) +void +zfs_prune_proplist(zfs_handle_t *zhp, uint8_t *props) { - zfs_cmd_t zc = { 0 }; - nvlist_t *nvp; - gid_t gid; - uid_t uid; - const gid_t *groups; - int group_cnt; - int error; + nvpair_t *curr; - if (nvlist_alloc(&nvp, NV_UNIQUE_NAME, 0) != 0) - return (no_memory(hdl)); + /* + * Keep a reference to the props-table against which we prune the + * properties. + */ + zhp->zfs_props_table = props; - uid = ucred_geteuid(cred); - gid = ucred_getegid(cred); - group_cnt = ucred_getgroups(cred, &groups); + curr = nvlist_next_nvpair(zhp->zfs_props, NULL); - if (uid == (uid_t)-1 || gid == (uid_t)-1 || group_cnt == (uid_t)-1) - return (1); + while (curr) { + zfs_prop_t zfs_prop = zfs_name_to_prop(nvpair_name(curr)); + nvpair_t *next = nvlist_next_nvpair(zhp->zfs_props, curr); - if (nvlist_add_uint32(nvp, ZFS_DELEG_PERM_UID, uid) != 0) { - nvlist_free(nvp); - return (1); + /* + * User properties will result in ZPROP_INVAL, and since we + * only know how to prune standard ZFS properties, we always + * leave these in the list. This can also happen if we + * encounter an unknown DSL property (when running older + * software, for example). + */ + if (zfs_prop != ZPROP_INVAL && props[zfs_prop] == B_FALSE) + (void) nvlist_remove(zhp->zfs_props, + nvpair_name(curr), nvpair_type(curr)); + curr = next; } +} - if (nvlist_add_uint32(nvp, ZFS_DELEG_PERM_GID, gid) != 0) { - nvlist_free(nvp); - return (1); - } +static int +zfs_smb_acl_mgmt(libzfs_handle_t *hdl, char *dataset, char *path, + zfs_smb_acl_op_t cmd, char *resource1, char *resource2) +{ + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; + nvlist_t *nvlist = NULL; + int error; - if (nvlist_add_uint32_array(nvp, - ZFS_DELEG_PERM_GROUPS, (uint32_t *)groups, group_cnt) != 0) { - nvlist_free(nvp); - return (1); - } (void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name)); + (void) strlcpy(zc.zc_value, path, sizeof (zc.zc_value)); + zc.zc_cookie = (uint64_t)cmd; - if (zcmd_write_src_nvlist(hdl, &zc, nvp)) - return (-1); + if (cmd == ZFS_SMB_ACL_RENAME) { + if (nvlist_alloc(&nvlist, NV_UNIQUE_NAME, 0) != 0) { + (void) no_memory(hdl); + return (-1); + } + } - error = ioctl(hdl->libzfs_fd, ZFS_IOC_ISCSI_PERM_CHECK, &zc); - nvlist_free(nvp); + switch (cmd) { + case ZFS_SMB_ACL_ADD: + case ZFS_SMB_ACL_REMOVE: + (void) strlcpy(zc.zc_string, resource1, sizeof (zc.zc_string)); + break; + case ZFS_SMB_ACL_RENAME: + if (nvlist_add_string(nvlist, ZFS_SMB_ACL_SRC, + resource1) != 0) { + (void) no_memory(hdl); + return (-1); + } + if (nvlist_add_string(nvlist, ZFS_SMB_ACL_TARGET, + resource2) != 0) { + (void) no_memory(hdl); + return (-1); + } + if (zcmd_write_src_nvlist(hdl, &zc, nvlist) != 0) { + nvlist_free(nvlist); + return (-1); + } + break; + case ZFS_SMB_ACL_PURGE: + break; + default: + return (-1); + } + error = ioctl(hdl->libzfs_fd, ZFS_IOC_SMB_ACL, &zc); + if (nvlist) + nvlist_free(nvlist); return (error); } int -zfs_deleg_share_nfs(libzfs_handle_t *hdl, char *dataset, char *path, - void *export, void *sharetab, int sharemax, zfs_share_op_t operation) +zfs_smb_acl_add(libzfs_handle_t *hdl, char *dataset, + char *path, char *resource) +{ + return (zfs_smb_acl_mgmt(hdl, dataset, path, ZFS_SMB_ACL_ADD, + resource, NULL)); +} + +int +zfs_smb_acl_remove(libzfs_handle_t *hdl, char *dataset, + char *path, char *resource) +{ + return (zfs_smb_acl_mgmt(hdl, dataset, path, ZFS_SMB_ACL_REMOVE, + resource, NULL)); +} + +int +zfs_smb_acl_purge(libzfs_handle_t *hdl, char *dataset, char *path) +{ + return (zfs_smb_acl_mgmt(hdl, dataset, path, ZFS_SMB_ACL_PURGE, + NULL, NULL)); +} + +int +zfs_smb_acl_rename(libzfs_handle_t *hdl, char *dataset, char *path, + char *oldname, char *newname) +{ + return (zfs_smb_acl_mgmt(hdl, dataset, path, ZFS_SMB_ACL_RENAME, + oldname, newname)); +} + +int +zfs_userspace(zfs_handle_t *zhp, zfs_userquota_prop_t type, + zfs_userspace_cb_t func, void *arg) { - zfs_cmd_t zc = { 0 }; + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; int error; + zfs_useracct_t buf[100]; - (void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name)); - (void) strlcpy(zc.zc_value, path, sizeof (zc.zc_value)); - zc.zc_share.z_sharedata = (uint64_t)(uintptr_t)sharetab; - zc.zc_share.z_exportdata = (uint64_t)(uintptr_t)export; - zc.zc_share.z_sharetype = operation; - zc.zc_share.z_sharemax = sharemax; + (void) strncpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); + + zc.zc_objset_type = type; + zc.zc_nvlist_dst = (uintptr_t)buf; + + /* CONSTCOND */ + while (1) { + zfs_useracct_t *zua = buf; + + zc.zc_nvlist_dst_size = sizeof (buf); + error = ioctl(zhp->zfs_hdl->libzfs_fd, + ZFS_IOC_USERSPACE_MANY, &zc); + if (error || zc.zc_nvlist_dst_size == 0) + break; + + while (zc.zc_nvlist_dst_size > 0) { + error = func(arg, zua->zu_domain, zua->zu_rid, + zua->zu_space); + if (error != 0) + return (error); + zua++; + zc.zc_nvlist_dst_size -= sizeof (zfs_useracct_t); + } + } - error = ioctl(hdl->libzfs_fd, ZFS_IOC_SHARE, &zc); return (error); } + +int +zfs_hold(zfs_handle_t *zhp, const char *snapname, const char *tag, + boolean_t recursive, boolean_t temphold, boolean_t enoent_ok, + int cleanup_fd, uint64_t dsobj, uint64_t createtxg) +{ + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; + libzfs_handle_t *hdl = zhp->zfs_hdl; + + ASSERT(!recursive || dsobj == 0); + + (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); + (void) strlcpy(zc.zc_value, snapname, sizeof (zc.zc_value)); + if (strlcpy(zc.zc_string, tag, sizeof (zc.zc_string)) + >= sizeof (zc.zc_string)) + return (zfs_error(hdl, EZFS_TAGTOOLONG, tag)); + zc.zc_cookie = recursive; + zc.zc_temphold = temphold; + zc.zc_cleanup_fd = cleanup_fd; + zc.zc_sendobj = dsobj; + zc.zc_createtxg = createtxg; + + if (zfs_ioctl(hdl, ZFS_IOC_HOLD, &zc) != 0) { + char errbuf[ZFS_MAXNAMELEN+32]; + + /* + * if it was recursive, the one that actually failed will be in + * zc.zc_name. + */ + (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, + "cannot hold '%s@%s'"), zc.zc_name, snapname); + switch (errno) { + case E2BIG: + /* + * Temporary tags wind up having the ds object id + * prepended. So even if we passed the length check + * above, it's still possible for the tag to wind + * up being slightly too long. + */ + return (zfs_error(hdl, EZFS_TAGTOOLONG, errbuf)); + case ENOTSUP: + zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "pool must be upgraded")); + return (zfs_error(hdl, EZFS_BADVERSION, errbuf)); + case EINVAL: + return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); + case EEXIST: + return (zfs_error(hdl, EZFS_REFTAG_HOLD, errbuf)); + case ENOENT: + if (enoent_ok) + return (ENOENT); + /* FALLTHROUGH */ + default: + return (zfs_standard_error_fmt(hdl, errno, errbuf)); + } + } + + return (0); +} + +int +zfs_release(zfs_handle_t *zhp, const char *snapname, const char *tag, + boolean_t recursive) +{ + zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; + libzfs_handle_t *hdl = zhp->zfs_hdl; + + (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); + (void) strlcpy(zc.zc_value, snapname, sizeof (zc.zc_value)); + if (strlcpy(zc.zc_string, tag, sizeof (zc.zc_string)) + >= sizeof (zc.zc_string)) + return (zfs_error(hdl, EZFS_TAGTOOLONG, tag)); + zc.zc_cookie = recursive; + + if (zfs_ioctl(hdl, ZFS_IOC_RELEASE, &zc) != 0) { + char errbuf[ZFS_MAXNAMELEN+32]; + + /* + * if it was recursive, the one that actually failed will be in + * zc.zc_name. + */ + (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, + "cannot release '%s' from '%s@%s'"), tag, zc.zc_name, + snapname); + switch (errno) { + case ESRCH: + return (zfs_error(hdl, EZFS_REFTAG_RELE, errbuf)); + case ENOTSUP: + zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "pool must be upgraded")); + return (zfs_error(hdl, EZFS_BADVERSION, errbuf)); + case EINVAL: + return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); + default: + return (zfs_standard_error_fmt(hdl, errno, errbuf)); + } + } + + return (0); +} + +uint64_t +zvol_volsize_to_reservation(uint64_t volsize, nvlist_t *props) +{ + uint64_t numdb; + uint64_t nblocks, volblocksize; + int ncopies; + char *strval; + + if (nvlist_lookup_string(props, + zfs_prop_to_name(ZFS_PROP_COPIES), &strval) == 0) + ncopies = atoi(strval); + else + ncopies = 1; + if (nvlist_lookup_uint64(props, + zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), + &volblocksize) != 0) + volblocksize = ZVOL_DEFAULT_BLOCKSIZE; + nblocks = volsize/volblocksize; + /* start with metadnode L0-L6 */ + numdb = 7; + /* calculate number of indirects */ + while (nblocks > 1) { + nblocks += DNODES_PER_LEVEL - 1; + nblocks /= DNODES_PER_LEVEL; + numdb += nblocks; + } + numdb *= MIN(SPA_DVAS_PER_BP, ncopies + 1); + volsize *= ncopies; + /* + * this is exactly DN_MAX_INDBLKSHIFT when metadata isn't + * compressed, but in practice they compress down to about + * 1100 bytes + */ + numdb *= 1ULL << DN_MAX_INDBLKSHIFT; + volsize += numdb; + return (volsize); +}