*/
/*
- * 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.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2012 DEY Storage Systems, Inc. All rights reserved.
+ * Copyright (c) 2012 Pawel Jakub Dawidek <pawel@dawidek.net>.
+ * Copyright 2012 Nexenta Systems, Inc. All rights reserved.
*/
-#include <assert.h>
#include <ctype.h>
#include <errno.h>
-#include <libdevinfo.h>
#include <libintl.h>
#include <math.h>
#include <stdio.h>
#include <fcntl.h>
#include <sys/mntent.h>
#include <sys/mount.h>
-#include <sys/avl.h>
#include <priv.h>
#include <pwd.h>
#include <grp.h>
#include <stddef.h>
#include <ucred.h>
+#ifdef HAVE_IDMAP
+#include <idmap.h>
+#include <aclutils.h>
+#include <directory.h>
+#endif /* HAVE_IDMAP */
+#include <sys/dnode.h>
#include <sys/spa.h>
#include <sys/zap.h>
#include <libzfs.h>
#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
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)
{
namecheck_err_t why;
char what;
+ (void) zfs_prop_get_table();
if (dataset_namecheck(path, &why, &what) != 0) {
if (hdl != NULL) {
switch (why) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"reserved disk name"));
break;
+ default:
+ break;
}
}
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)
{
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);
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);
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
zhp->zfs_head_type = ZFS_TYPE_VOLUME;
else if (zhp->zfs_dmustats.dds_type == DMU_OST_ZFS)
zhp->zfs_head_type = ZFS_TYPE_FILESYSTEM;
+ else if (zhp->zfs_dmustats.dds_type == DMU_OST_OTHER)
+ return (-1); /* zpios' and other testing datasets are
+ of this type, ignore if encountered */
else
abort();
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);
return (zhp);
}
-static zfs_handle_t *
+zfs_handle_t *
make_dataset_handle_zc(libzfs_handle_t *hdl, zfs_cmd_t *zc)
{
zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1);
return (zhp);
}
+zfs_handle_t *
+make_dataset_simple_handle_zc(zfs_handle_t *pzhp, zfs_cmd_t *zc)
+{
+ zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1);
+
+ if (zhp == NULL)
+ return (NULL);
+
+ zhp->zfs_hdl = pzhp->zfs_hdl;
+ (void) strlcpy(zhp->zfs_name, zc->zc_name, sizeof (zhp->zfs_name));
+ zhp->zfs_head_type = pzhp->zfs_type;
+ zhp->zfs_type = ZFS_TYPE_SNAPSHOT;
+ zhp->zpool_hdl = zpool_handle(zhp);
+
+ return (zhp);
+}
+
+zfs_handle_t *
+zfs_handle_dup(zfs_handle_t *zhp_orig)
+{
+ zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1);
+
+ if (zhp == NULL)
+ return (NULL);
+
+ zhp->zfs_hdl = zhp_orig->zfs_hdl;
+ zhp->zpool_hdl = zhp_orig->zpool_hdl;
+ (void) strlcpy(zhp->zfs_name, zhp_orig->zfs_name,
+ sizeof (zhp->zfs_name));
+ zhp->zfs_type = zhp_orig->zfs_type;
+ zhp->zfs_head_type = zhp_orig->zfs_head_type;
+ zhp->zfs_dmustats = zhp_orig->zfs_dmustats;
+ if (zhp_orig->zfs_props != NULL) {
+ if (nvlist_dup(zhp_orig->zfs_props, &zhp->zfs_props, 0) != 0) {
+ (void) no_memory(zhp->zfs_hdl);
+ zfs_close(zhp);
+ return (NULL);
+ }
+ }
+ if (zhp_orig->zfs_user_props != NULL) {
+ if (nvlist_dup(zhp_orig->zfs_user_props,
+ &zhp->zfs_user_props, 0) != 0) {
+ (void) no_memory(zhp->zfs_hdl);
+ zfs_close(zhp);
+ return (NULL);
+ }
+ }
+ if (zhp_orig->zfs_recvd_props != NULL) {
+ if (nvlist_dup(zhp_orig->zfs_recvd_props,
+ &zhp->zfs_recvd_props, 0)) {
+ (void) no_memory(zhp->zfs_hdl);
+ zfs_close(zhp);
+ return (NULL);
+ }
+ }
+ zhp->zfs_mntcheck = zhp_orig->zfs_mntcheck;
+ if (zhp_orig->zfs_mntopts != NULL) {
+ zhp->zfs_mntopts = zfs_strdup(zhp_orig->zfs_hdl,
+ zhp_orig->zfs_mntopts);
+ }
+ zhp->zfs_props_table = zhp_orig->zfs_props_table;
+ return (zhp);
+}
+
/*
* Opens the given snapshot, filesystem, or volume. The 'types'
* argument is a mask of acceptable types. The function will print an
free(zhp->zfs_mntopts);
nvlist_free(zhp->zfs_props);
nvlist_free(zhp->zfs_user_props);
+ nvlist_free(zhp->zfs_recvd_props);
free(zhp);
}
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));
+}
+
+int
+libzfs_mnttab_update(libzfs_handle_t *hdl)
+{
+ struct mnttab entry;
+
+ /* Reopen MNTTAB to prevent reading stale data from open file */
+ if (freopen(MNTTAB, "r", hdl->libzfs_mnttab) == NULL)
+ return (ENOENT);
- rewind(hdl->libzfs_mnttab);
while (getmntent(hdl->libzfs_mnttab, &entry) == 0) {
mnttab_node_t *mtn;
mtn->mtn_mt.mnt_mntopts = zfs_strdup(hdl, entry.mnt_mntopts);
avl_add(&hdl->libzfs_mnttab_cache, mtn);
}
+
+ return (0);
}
void
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);
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)
{
mnttab_node_t find;
mnttab_node_t *mtn;
+ int error;
+
+ if (!hdl->libzfs_mnttab_enable) {
+ struct mnttab srch = { 0 };
+
+ if (avl_numnodes(&hdl->libzfs_mnttab_cache))
+ libzfs_mnttab_fini(hdl);
+
+ /* Reopen MNTTAB to prevent reading stale data from open file */
+ if (freopen(MNTTAB, "r", hdl->libzfs_mnttab) == NULL)
+ return (ENOENT);
+
+ 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);
+ if ((error = libzfs_mnttab_update(hdl)) != 0)
+ return (error);
find.mtn_mt.mnt_special = (char *)fsname;
mtn = avl_find(&hdl->libzfs_mnttab_cache, &find, NULL);
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);
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) {
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"));
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@<hex-rid>-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;
+ } else if (prop == ZPROP_INVAL && zfs_prop_written(propname)) {
+ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+ "'%s' is readonly"),
+ propname);
+ (void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf);
+ goto error;
+ }
+
+ 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 "
}
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;
"component of '%s' is too long"),
propname);
break;
+ default:
+ break;
}
(void) zfs_error(hdl, EZFS_BADPROP, errbuf);
goto error;
} 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 "
case ZFS_PROP_NORMALIZE:
chosen_normal = (int)intval;
break;
+ default:
+ break;
}
/*
goto error;
}
break;
+ default:
+ break;
}
}
}
(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:
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;
-
- 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;
- }
- }
-
- return (0);
-}
-
-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);
- }
-}
-
-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];
-
- do_perms = (nvlist_next_nvpair(perms_nvp, NULL) != NULL);
- do_sets = (nvlist_next_nvpair(sets_nvp, NULL) != NULL);
-
- if (!do_perms && !do_sets)
- do_perms = do_sets = B_TRUE;
-
- 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);
- }
-}
-
-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);
- }
- if (inherit & ZFS_DELEG_PERM_DESCENDENT) {
- helper(who_type, whoid, whostr, ZFS_DELEG_DESCENDENT,
- who_nvp, perms_nvp, sets_nvp);
- }
- }
-}
-
-/*
- * 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));
- }
+void
+zfs_setprop_error(libzfs_handle_t *hdl, zfs_prop_t prop, int err,
+ char *errbuf)
+{
+ switch (err) {
+ case ENOSPC:
/*
- * add entries for both local and descendent when required
+ * For quotas and reservations, ENOSPC indicates
+ * something different; setting a quota or reservation
+ * doesn't use any disk space.
*/
- 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)
-{
- 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);
-}
+ 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;
-/*
- * 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;
- }
- }
+ 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;
- /*
- * 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);
+ default:
+ (void) zfs_standard_error(hdl, err, errbuf);
+ break;
}
- *newnode = pnode;
- avl_add(tree, newnode);
- }
- return (0);
-}
+ break;
-/*
- * 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;
+ case EBUSY:
+ (void) zfs_standard_error(hdl, EBUSY, errbuf);
+ break;
- (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
+ case EROFS:
+ (void) zfs_error(hdl, EZFS_DSREADONLY, errbuf);
+ break;
- if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0)
- return (-1);
+ 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;
- 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));
+ 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 {
- 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;
+ (void) zfs_standard_error(hdl, err, errbuf);
}
+ break;
- who_pair = nvlist_next_nvpair(sourcenv, NULL);
- if (who_pair == NULL) {
- goto abort;
+ case EINVAL:
+ if (prop == ZPROP_INVAL) {
+ (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
+ } else {
+ (void) zfs_standard_error(hdl, err, errbuf);
}
+ break;
- 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;
-
+ case EOVERFLOW:
/*
- * allocate another node from the link list of
- * zfs_allow_t structures
+ * This platform can't address a volume this big.
*/
- newallowp = zfs_alloc_perm_tree(zhp, zallowp,
- nvpair_name(source_pair));
- if (newallowp == NULL) {
- goto abort;
+#ifdef _ILP32
+ if (prop == ZFS_PROP_VOLSIZE) {
+ (void) zfs_error(hdl, EZFS_VOLTOOBIG, errbuf);
+ break;
}
- zallowp = newallowp;
- }
- nvlist_free(nvlist);
- return (0);
-abort:
- zfs_free_allows(*zfs_perms);
- nvlist_free(nvlist);
- return (-1);
-}
-
-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:
+#endif
+ /* FALLTHROUGH */
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"));
+ (void) zfs_standard_error(hdl, err, errbuf);
}
- 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)
+static boolean_t
+zfs_is_namespace_prop(zfs_prop_t prop)
{
- int i;
+ switch (prop) {
- (void) fprintf(stderr, "\n%-15s %-15s\t%s\n\n", "NAME",
- "TYPE", "NOTES");
+ 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);
- /*
- * 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));
+ default:
+ return (B_FALSE);
}
-
- (void) zprop_iter(zfs_deleg_prop_cb, NULL, B_FALSE, B_TRUE,
- ZFS_TYPE_DATASET|ZFS_TYPE_VOLUME);
}
/*
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];
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'"),
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;
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:
}
/*
- * 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;
(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
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));
/*
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));
* 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;
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 = "";
}
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 = "";
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".
*/
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;
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 &&
case ZFS_PROP_NBMAND:
*val = getprop_uint64(zhp, prop, source);
+ if (received)
+ break;
+
if (hasmntopt(&mnt, mntopt_on) && !*val) {
*val = B_TRUE;
if (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:
(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);
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;
if (statbuf == NULL || *srctype == ZPROP_SRC_TEMPORARY)
return;
- if (source == NULL) {
- *srctype = ZPROP_SRC_NONE;
- } else if (source[0] == '\0') {
- *srctype = ZPROP_SRC_DEFAULT;
- } else {
- if (strcmp(source, zhp->zfs_name) == 0) {
- *srctype = ZPROP_SRC_LOCAL;
- } else {
- (void) strlcpy(statbuf, source, statlen);
- *srctype = ZPROP_SRC_INHERITED;
+ if (source == NULL) {
+ *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;
+ } else {
+ (void) strlcpy(statbuf, source, statlen);
+ *srctype = ZPROP_SRC_INHERITED;
+ }
+ }
+
+}
+
+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 {
+ 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);
+}
+
+static int
+get_clones_string(zfs_handle_t *zhp, char *propbuf, size_t proplen)
+{
+ nvlist_t *value;
+ nvpair_t *pair;
+
+ value = zfs_get_clones_nvl(zhp);
+ if (value == NULL)
+ return (-1);
+
+ propbuf[0] = '\0';
+ for (pair = nvlist_next_nvpair(value, NULL); pair != NULL;
+ pair = nvlist_next_nvpair(value, pair)) {
+ if (propbuf[0] != '\0')
+ (void) strlcat(propbuf, ",", proplen);
+ (void) strlcat(propbuf, nvpair_name(pair), proplen);
+ }
+
+ return (0);
+}
+
+struct get_clones_arg {
+ uint64_t numclones;
+ nvlist_t *value;
+ const char *origin;
+ char buf[ZFS_MAXNAMELEN];
+};
+
+int
+get_clones_cb(zfs_handle_t *zhp, void *arg)
+{
+ struct get_clones_arg *gca = arg;
+
+ if (gca->numclones == 0) {
+ zfs_close(zhp);
+ return (0);
+ }
+
+ if (zfs_prop_get(zhp, ZFS_PROP_ORIGIN, gca->buf, sizeof (gca->buf),
+ NULL, NULL, 0, B_TRUE) != 0)
+ goto out;
+ if (strcmp(gca->buf, gca->origin) == 0) {
+ if (nvlist_add_boolean(gca->value, zfs_get_name(zhp)) != 0) {
+ zfs_close(zhp);
+ return (no_memory(zhp->zfs_hdl));
+ }
+ gca->numclones--;
+ }
+
+out:
+ (void) zfs_iter_children(zhp, get_clones_cb, gca);
+ zfs_close(zhp);
+ return (0);
+}
+
+nvlist_t *
+zfs_get_clones_nvl(zfs_handle_t *zhp)
+{
+ nvlist_t *nv, *value;
+
+ if (nvlist_lookup_nvlist(zhp->zfs_props,
+ zfs_prop_to_name(ZFS_PROP_CLONES), &nv) != 0) {
+ struct get_clones_arg gca;
+
+ /*
+ * if this is a snapshot, then the kernel wasn't able
+ * to get the clones. Do it by slowly iterating.
+ */
+ if (zhp->zfs_type != ZFS_TYPE_SNAPSHOT)
+ return (NULL);
+ if (nvlist_alloc(&nv, NV_UNIQUE_NAME, 0) != 0)
+ return (NULL);
+ if (nvlist_alloc(&value, NV_UNIQUE_NAME, 0) != 0) {
+ nvlist_free(nv);
+ return (NULL);
+ }
+
+ gca.numclones = zfs_prop_get_int(zhp, ZFS_PROP_NUMCLONES);
+ gca.value = value;
+ gca.origin = zhp->zfs_name;
+
+ if (gca.numclones != 0) {
+ zfs_handle_t *root;
+ char pool[ZFS_MAXNAMELEN];
+ char *cp = pool;
+
+ /* get the pool name */
+ (void) strlcpy(pool, zhp->zfs_name, sizeof (pool));
+ (void) strsep(&cp, "/@");
+ root = zfs_open(zhp->zfs_hdl, pool,
+ ZFS_TYPE_FILESYSTEM);
+
+ (void) get_clones_cb(root, &gca);
}
+
+ if (gca.numclones != 0 ||
+ nvlist_add_nvlist(nv, ZPROP_VALUE, value) != 0 ||
+ nvlist_add_nvlist(zhp->zfs_props,
+ zfs_prop_to_name(ZFS_PROP_CLONES), nv) != 0) {
+ nvlist_free(nv);
+ nvlist_free(value);
+ return (NULL);
+ }
+ nvlist_free(nv);
+ nvlist_free(value);
+ verify(0 == nvlist_lookup_nvlist(zhp->zfs_props,
+ zfs_prop_to_name(ZFS_PROP_CLONES), &nv));
}
+ verify(nvlist_lookup_nvlist(nv, ZPROP_VALUE, &value) == 0);
+
+ return (value);
}
/*
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
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;
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;
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)) ||
return (-1);
break;
+ case ZFS_PROP_CLONES:
+ if (get_clones_string(zhp, propbuf, proplen) != 0)
+ return (-1);
+ break;
+
case ZFS_PROP_QUOTA:
case ZFS_PROP_REFQUOTA:
case ZFS_PROP_RESERVATION:
}
break;
+ case ZFS_PROP_REFRATIO:
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:
(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;
+
+ case ZFS_PROP_GUID:
+ /*
+ * GUIDs are stored as numbers, but they are identifiers.
+ * We don't want them to be pretty printed, because pretty
+ * printing mangles the ID into a truncated and useless value.
+ */
+ if (get_numeric_property(zhp, prop, src, &source, &val) != 0)
+ return (-1);
+ (void) snprintf(propbuf, proplen, "%llu", (u_longlong_t)val);
+ break;
+
default:
switch (zfs_prop_get_type(prop)) {
case PROP_TYPE_NUMBER:
{
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));
}
return (0);
}
-/*
- * Returns the name of the given zfs handle.
- */
-const char *
-zfs_get_name(const zfs_handle_t *zhp)
+#ifdef HAVE_IDMAP
+static int
+idmap_id_to_numeric_domain_rid(uid_t id, boolean_t isuser,
+ char **domainp, idmap_rid_t *ridp)
{
- return (zhp->zfs_name);
+ 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 */
/*
- * Returns the type of the given zfs handle.
+ * 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
+ * Eg: groupquota@staff -> ZFS_PROP_GROUPQUOTA, "", 1234
+ * Eg: groupused@staff -> ZFS_PROP_GROUPUSED, "", 1234
*/
-zfs_type_t
-zfs_get_type(const zfs_handle_t *zhp)
-{
- return (zhp->zfs_type);
-}
-
static int
-zfs_do_list_ioctl(zfs_handle_t *zhp, int arg, zfs_cmd_t *zc)
+userquota_propname_decode(const char *propname, boolean_t zoned,
+ zfs_userquota_prop_t *typep, char *domain, int domainlen, uint64_t *ridp)
{
- int rc;
- uint64_t orig_cookie;
+ zfs_userquota_prop_t type;
+ char *cp;
+ boolean_t isuser;
+ boolean_t isgroup;
+ struct passwd *pw;
+ struct group *gr;
- orig_cookie = zc->zc_cookie;
-top:
- (void) strlcpy(zc->zc_name, zhp->zfs_name, sizeof (zc->zc_name));
- rc = ioctl(zhp->zfs_hdl->libzfs_fd, arg, zc);
+ domain[0] = '\0';
- if (rc == -1) {
- switch (errno) {
- case ENOMEM:
- /* expand nvlist memory and try again */
- if (zcmd_expand_dst_nvlist(zhp->zfs_hdl, zc) != 0) {
- zcmd_free_nvlists(zc);
- return (-1);
- }
- zc->zc_cookie = orig_cookie;
- goto top;
+ /* 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);
+ isgroup = (type == ZFS_PROP_GROUPQUOTA || type == ZFS_PROP_GROUPUSED);
+
+ cp = strchr(propname, '@') + 1;
+
+ if (isuser && (pw = getpwnam(cp)) != NULL) {
+ if (zoned && getzoneid() == GLOBAL_ZONEID)
+ return (ENOENT);
+ *ridp = pw->pw_uid;
+ } else if (isgroup && (gr = getgrnam(cp)) != NULL) {
+ if (zoned && getzoneid() == GLOBAL_ZONEID)
+ return (ENOENT);
+ *ridp = gr->gr_gid;
+ } else if (strchr(cp, '@')) {
+#ifdef HAVE_IDMAP
/*
- * An errno value of ESRCH indicates normal completion.
- * If ENOENT is returned, then the underlying dataset
- * has been removed since we obtained the handle.
+ * It's a SID name (eg "user@domain") that needs to be
+ * turned into S-1-domainID-RID.
*/
- case ESRCH:
- case ENOENT:
- rc = 1;
- break;
- default:
- rc = zfs_standard_error(zhp->zfs_hdl, errno,
- dgettext(TEXT_DOMAIN,
- "cannot iterate filesystems"));
- break;
+ directory_error_t e;
+ char *numericsid = NULL;
+ char *end;
+
+ 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;
+ (void) strlcpy(domain, cp, domainlen);
+ cp = strrchr(domain, '-');
+ *cp = '\0';
+ cp++;
+
+ errno = 0;
+ *ridp = strtoull(cp, &end, 10);
+ free(numericsid);
+
+ if (errno != 0 || *end != '\0')
+ return (EINVAL);
+#else
+ return (ENOSYS);
+#endif /* HAVE_IDMAP */
+ } else {
+ /* It's a user/group ID (eg "12345"). */
+ uid_t id;
+ char *end;
+ id = strtoul(cp, &end, 10);
+ if (*end != '\0')
+ return (EINVAL);
+ if (id > MAXUID) {
+#ifdef HAVE_IDMAP
+ /* It's an ephemeral ID. */
+ idmap_rid_t rid;
+ char *mapdomain;
+
+ if (idmap_id_to_numeric_domain_rid(id, isuser,
+ &mapdomain, &rid) != 0)
+ return (ENOENT);
+ (void) strlcpy(domain, mapdomain, domainlen);
+ *ridp = rid;
+#else
+ return (ENOSYS);
+#endif /* HAVE_IDMAP */
+ } else {
+ *ridp = id;
}
}
- return (rc);
+
+ 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) strlcpy(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);
}
-/*
- * Iterate over all child filesystems
- */
int
-zfs_iter_filesystems(zfs_handle_t *zhp, zfs_iter_f func, void *data)
+zfs_prop_get_userquota_int(zfs_handle_t *zhp, const char *propname,
+ uint64_t *propvalue)
{
- zfs_cmd_t zc = { 0 };
- zfs_handle_t *nzhp;
- int ret;
+ zfs_userquota_prop_t type;
- if (zhp->zfs_type != ZFS_TYPE_FILESYSTEM)
- return (0);
+ return (zfs_prop_get_userquota_common(zhp, propname, propvalue,
+ &type));
+}
- if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0)
- return (-1);
+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;
- 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;
+ err = zfs_prop_get_userquota_common(zhp, propname, &propvalue,
+ &type);
- /*
- * Silently ignore errors, as the only plausible explanation is
- * that the pool has since been removed.
- */
- if ((nzhp = make_dataset_handle_zc(zhp->zfs_hdl,
- &zc)) == NULL) {
- continue;
- }
+ if (err)
+ return (err);
- if ((ret = func(nzhp, data)) != 0) {
- zcmd_free_nvlists(&zc);
- return (ret);
- }
+ 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);
}
- zcmd_free_nvlists(&zc);
- return ((ret < 0) ? ret : 0);
+ return (0);
}
-/*
- * Iterate over all snapshots
- */
int
-zfs_iter_snapshots(zfs_handle_t *zhp, zfs_iter_f func, void *data)
+zfs_prop_get_written_int(zfs_handle_t *zhp, const char *propname,
+ uint64_t *propvalue)
{
- zfs_cmd_t zc = { 0 };
- zfs_handle_t *nzhp;
- int ret;
+ int err;
+ zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ const char *snapname;
- if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT)
- return (0);
+ (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 ((ret = zfs_do_list_ioctl(zhp, ZFS_IOC_SNAPSHOT_LIST_NEXT,
- &zc)) == 0) {
+ snapname = strchr(propname, '@') + 1;
+ if (strchr(snapname, '@')) {
+ (void) strlcpy(zc.zc_value, snapname, sizeof (zc.zc_value));
+ } else {
+ /* snapname is the short name, append it to zhp's fsname */
+ char *cp;
- if ((nzhp = make_dataset_handle_zc(zhp->zfs_hdl,
- &zc)) == NULL) {
- continue;
- }
+ (void) strlcpy(zc.zc_value, zhp->zfs_name,
+ sizeof (zc.zc_value));
+ cp = strchr(zc.zc_value, '@');
+ if (cp != NULL)
+ *cp = '\0';
+ (void) strlcat(zc.zc_value, "@", sizeof (zc.zc_value));
+ (void) strlcat(zc.zc_value, snapname, sizeof (zc.zc_value));
+ }
- if ((ret = func(nzhp, data)) != 0) {
- zcmd_free_nvlists(&zc);
- return (ret);
- }
+ err = ioctl(zhp->zfs_hdl->libzfs_fd, ZFS_IOC_SPACE_WRITTEN, &zc);
+ if (err)
+ return (err);
+
+ *propvalue = zc.zc_cookie;
+ return (0);
+}
+
+int
+zfs_prop_get_written(zfs_handle_t *zhp, const char *propname,
+ char *propbuf, int proplen, boolean_t literal)
+{
+ int err;
+ uint64_t propvalue;
+
+ err = zfs_prop_get_written_int(zhp, propname, &propvalue);
+
+ if (err)
+ return (err);
+
+ if (literal) {
+ (void) snprintf(propbuf, proplen, "%llu", (long long unsigned int)propvalue);
+ } else {
+ zfs_nicenum(propvalue, propbuf, proplen);
}
- zcmd_free_nvlists(&zc);
- return ((ret < 0) ? ret : 0);
+
+ return (0);
+}
+
+int
+zfs_get_snapused_int(zfs_handle_t *firstsnap, zfs_handle_t *lastsnap,
+ uint64_t *usedp)
+{
+ int err;
+ zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+
+ (void) strlcpy(zc.zc_name, lastsnap->zfs_name, sizeof (zc.zc_name));
+ (void) strlcpy(zc.zc_value, firstsnap->zfs_name, sizeof (zc.zc_value));
+
+ err = ioctl(lastsnap->zfs_hdl->libzfs_fd, ZFS_IOC_SPACE_SNAPS, &zc);
+ if (err)
+ return (err);
+
+ *usedp = zc.zc_cookie;
+
+ return (0);
}
/*
- * Iterate over all children, snapshots and filesystems
+ * Returns the name of the given zfs handle.
*/
-int
-zfs_iter_children(zfs_handle_t *zhp, zfs_iter_f func, void *data)
+const char *
+zfs_get_name(const zfs_handle_t *zhp)
{
- int ret;
+ return (zhp->zfs_name);
+}
+
+/*
+ * Returns the type of the given zfs handle.
+ */
+zfs_type_t
+zfs_get_type(const zfs_handle_t *zhp)
+{
+ return (zhp->zfs_type);
+}
+
+/*
+ * 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);
- if ((ret = zfs_iter_filesystems(zhp, func, data)) != 0)
- return (ret);
+ /* ds2 can't be a descendant if it's smaller */
+ if (strlen(ds2) < d1len)
+ return (B_FALSE);
- return (zfs_iter_snapshots(zhp, func, data));
+ /* 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.
+ * Will return -1 if there is no parent (path is just the name of the
+ * pool).
*/
static int
parent_name(const char *path, char *buf, size_t buflen)
{
- char *loc;
+ char *slashp;
- if ((loc = strrchr(path, '/')) == NULL)
- return (-1);
+ (void) strlcpy(buf, path, buflen);
- (void) strncpy(buf, path, MIN(buflen, loc - path));
- buf[loc - path] = '\0';
+ if ((slashp = strrchr(buf, '/')) == NULL)
+ return (-1);
+ *slashp = '\0';
return (0);
}
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);
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);
* 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';
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) {
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);
/*
* Destroys the given dataset. The caller must make sure that the filesystem
- * isn't mounted, and that there are no active dependents.
+ * isn't mounted, and that there are no active dependents. If the file system
+ * does not exist this function does nothing.
*/
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);
zc.zc_objset_type = DMU_OST_ZFS;
}
- if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_DESTROY, &zc) != 0) {
+ zc.zc_defer_destroy = defer;
+ if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_DESTROY, &zc) != 0 &&
+ errno != ENOENT) {
return (zfs_standard_error_fmt(zhp->zfs_hdl, errno,
dgettext(TEXT_DOMAIN, "cannot destroy '%s'"),
zhp->zfs_name));
}
struct destroydata {
- char *snapname;
- boolean_t gotone;
- boolean_t closezhp;
+ nvlist_t *nvl;
+ const char *snapname;
};
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));
- (void) strlcat(name, dd->snapname, sizeof (name));
+ (void) snprintf(name, sizeof (name),
+ "%s@%s", zhp->zfs_name, dd->snapname);
szhp = make_dataset_handle(zhp->zfs_hdl, name);
if (szhp) {
- dd->gotone = B_TRUE;
+ verify(nvlist_add_boolean(dd->nvl, name) == 0);
zfs_close(szhp);
}
*/
}
- dd->closezhp = B_TRUE;
- rv = zfs_iter_filesystems(zhp, zfs_remove_link_cb, arg);
- if (closezhp)
- zfs_close(zhp);
+ rv = zfs_iter_filesystems(zhp, zfs_check_snap_cb, dd);
+ zfs_close(zhp);
return (rv);
}
* 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 };
int ret;
struct destroydata dd = { 0 };
dd.snapname = snapname;
- (void) zfs_remove_link_cb(zhp, &dd);
+ verify(nvlist_alloc(&dd.nvl, NV_UNIQUE_NAME, 0) == 0);
+ (void) zfs_check_snap_cb(zfs_handle_dup(zhp), &dd);
- if (!dd.gotone) {
- return (zfs_standard_error_fmt(zhp->zfs_hdl, ENOENT,
+ if (nvlist_next_nvpair(dd.nvl, NULL) == NULL) {
+ ret = zfs_standard_error_fmt(zhp->zfs_hdl, ENOENT,
dgettext(TEXT_DOMAIN, "cannot destroy '%s@%s'"),
- zhp->zfs_name, snapname));
+ zhp->zfs_name, snapname);
+ } else {
+ ret = zfs_destroy_snaps_nvl(zhp, dd.nvl, defer);
}
+ nvlist_free(dd.nvl);
+ return (ret);
+}
+
+/*
+ * Destroys all the snapshots named in the nvlist. They must be underneath
+ * the zhp (either snapshots of it, or snapshots of its descendants).
+ */
+int
+zfs_destroy_snaps_nvl(zfs_handle_t *zhp, nvlist_t *snaps, boolean_t defer)
+{
+ int ret;
+ zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
- (void) strlcpy(zc.zc_value, snapname, sizeof (zc.zc_value));
+ if (zcmd_write_src_nvlist(zhp->zfs_hdl, &zc, snaps) != 0)
+ return (-1);
+ zc.zc_defer_destroy = defer;
- ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_DESTROY_SNAPS, &zc);
+ ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_DESTROY_SNAPS_NVL, &zc);
if (ret != 0) {
char errbuf[1024];
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
- "cannot destroy '%s@%s'"), zc.zc_name, snapname);
+ "cannot destroy snapshots in %s"), zc.zc_name);
switch (errno) {
case EEXIST:
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];
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
"cannot create '%s'"), target);
- /* validate the target name */
+ /* validate the target/clone name */
if (!zfs_validate_name(hdl, target, ZFS_TYPE_FILESYSTEM, B_TRUE))
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf));
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;
return (-1);
(void) zfs_prop_get(pzhp, ZFS_PROP_MOUNTPOINT, pd.cb_mountpoint,
sizeof (pd.cb_mountpoint), NULL, NULL, 0, FALSE);
- ret = zfs_iter_snapshots(pzhp, promote_snap_cb, &pd);
+ ret = zfs_iter_snapshots(pzhp, B_FALSE, promote_snap_cb, &pd);
if (ret != 0) {
zfs_close(pzhp);
return (-1);
if (ret != 0) {
int save_errno = errno;
- (void) zfs_iter_snapshots(pzhp, promote_snap_done_cb, &pd);
+ (void) zfs_iter_snapshots(pzhp, B_FALSE, promote_snap_done_cb,
+ &pd);
zfs_close(pzhp);
switch (save_errno) {
* 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:
return (zfs_standard_error(hdl, save_errno, errbuf));
}
} else {
- (void) zfs_iter_snapshots(zhp, promote_snap_done_cb, &pd);
+ (void) zfs_iter_snapshots(zhp, B_FALSE, promote_snap_done_cb,
+ &pd);
}
zfs_close(pzhp);
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];
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 {
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);
{
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);
/*
- * Destroy all recent snapshots and its dependends.
+ * Destroy all recent snapshots and their dependents.
*/
cb.cb_force = force;
cb.cb_target = snap->zfs_name;
*/
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);
}
}
/*
- * Iterate over all dependents for a given dataset. This includes both
- * hierarchical dependents (children) and data dependents (snapshots and
- * clones). The bulk of the processing occurs in get_dependents() in
- * libzfs_graph.c.
- */
-int
-zfs_iter_dependents(zfs_handle_t *zhp, boolean_t allowrecursion,
- zfs_iter_f func, void *data)
-{
- char **dependents;
- size_t count;
- int i;
- zfs_handle_t *child;
- int ret = 0;
-
- if (get_dependents(zhp->zfs_hdl, allowrecursion, zhp->zfs_name,
- &dependents, &count) != 0)
- return (-1);
-
- for (i = 0; i < count; i++) {
- if ((child = make_dataset_handle(zhp->zfs_hdl,
- dependents[i])) == NULL)
- continue;
-
- if ((ret = func(child, data)) != 0)
- break;
- }
-
- for (i = 0; i < count; i++)
- free(dependents[i]);
- free(dependents);
-
- return (ret);
-}
-
-/*
* Renames the given dataset.
*/
int
-zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive)
+zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive,
+ boolean_t force_unmount)
{
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;
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 ||
}
/* 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));
}
}
dd.snapname = delim + 1;
- dd.gotone = B_FALSE;
- dd.closezhp = B_TRUE;
/* We remove any zvol links prior to renaming them */
- ret = zfs_iter_filesystems(zhrp, zfs_remove_link_cb, &dd);
+ verify(nvlist_alloc(&dd.nvl, NV_UNIQUE_NAME, 0) == 0);
+ ret = zfs_iter_filesystems(zhrp, zfs_check_snap_cb, &dd);
+ nvlist_free(dd.nvl);
if (ret) {
goto error;
}
} else {
- if ((cl = changelist_gather(zhp, ZFS_PROP_NAME, 0, 0)) == NULL)
+ if ((cl = changelist_gather(zhp, ZFS_PROP_NAME, 0,
+ force_unmount ? MS_FORCE : 0)) == NULL)
return (-1);
if (changelist_haszonedchild(cl)) {
"child dataset with inherited mountpoint is used "
"in a non-global zone"));
(void) zfs_error(hdl, EZFS_ZONED, errbuf);
+ ret = -1;
goto 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)
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));
switch (errno) {
case EEXIST:
/*
- * Silently ignore the case where the link already
- * exists. This allows 'zfs volinit' to be run multiple
- * times without errors.
+ * Silently ignore the case where the link already
+ * exists. This allows 'zfs volinit' to be run multiple
+ * times without errors.
+ */
+ return (0);
+
+ case ENODEV:
+ /*
+ * snapdev set to hidden :
+ * device creation was not permitted (see zvol.c)
+ * ignore error quietly
*/
return (0);
}
/*
- * 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);
}
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 };
+ int timeout = 3000; /* in milliseconds */
+ int error = 0;
+ int i;
(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name));
- if (ioctl(hdl->libzfs_fd, ZFS_IOC_REMOVE_MINOR, &zc) != 0) {
+ /*
+ * Due to concurrent updates by udev the device may be reported as
+ * busy. In this case don't immediately fail. Instead briefly delay
+ * and retry the ioctl() which is now likely to succeed. If unable
+ * remove the link after timeout milliseconds return the failure.
+ */
+ for (i = 0; i < timeout; i++) {
+ error = ioctl(hdl->libzfs_fd, ZFS_IOC_REMOVE_MINOR, &zc);
+ if (error && errno == EBUSY) {
+ usleep(1000);
+ continue;
+ } else {
+ break;
+ }
+ }
+
+ if (error) {
switch (errno) {
case ENXIO:
/*
default:
return (zfs_standard_error_fmt(hdl, errno,
dgettext(TEXT_DOMAIN, "cannot remove device "
- "links for '%s'"), dataset));
+ "links for '%s': %s"), dataset, strerror(errno)));
}
}
* 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;
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)
+{
+ nvpair_t *curr;
+
+ /*
+ * Keep a reference to the props-table against which we prune the
+ * properties.
+ */
+ zhp->zfs_props_table = props;
+
+ curr = nvlist_next_nvpair(zhp->zfs_props, NULL);
+
+ while (curr) {
+ zfs_prop_t zfs_prop = zfs_name_to_prop(nvpair_name(curr));
+ nvpair_t *next = nvlist_next_nvpair(zhp->zfs_props, curr);
+
+ /*
+ * 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;
+ }
+}
+
+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 };
- nvlist_t *nvp;
- gid_t gid;
- uid_t uid;
- const gid_t *groups;
- int group_cnt;
+ zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ nvlist_t *nvlist = NULL;
int error;
- if (nvlist_alloc(&nvp, NV_UNIQUE_NAME, 0) != 0)
- return (no_memory(hdl));
+ (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 (cmd == ZFS_SMB_ACL_RENAME) {
+ if (nvlist_alloc(&nvlist, NV_UNIQUE_NAME, 0) != 0) {
+ (void) no_memory(hdl);
+ return (-1);
+ }
+ }
+
+ 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_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", "\0", "\0", "\0", 0 };
+ zfs_useracct_t buf[100];
+ libzfs_handle_t *hdl = zhp->zfs_hdl;
+ int ret;
+
+ (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
+
+ zc.zc_objset_type = type;
+ zc.zc_nvlist_dst = (uintptr_t)buf;
+
+ for (;;) {
+ zfs_useracct_t *zua = buf;
+
+ zc.zc_nvlist_dst_size = sizeof (buf);
+ if (zfs_ioctl(hdl, ZFS_IOC_USERSPACE_MANY, &zc) != 0) {
+ char errbuf[ZFS_MAXNAMELEN + 32];
+
+ (void) snprintf(errbuf, sizeof (errbuf),
+ dgettext(TEXT_DOMAIN,
+ "cannot get used/quota for %s"), zc.zc_name);
+ return (zfs_standard_error_fmt(hdl, errno, errbuf));
+ }
+ if (zc.zc_nvlist_dst_size == 0)
+ break;
+
+ while (zc.zc_nvlist_dst_size > 0) {
+ if ((ret = func(arg, zua->zu_domain, zua->zu_rid,
+ zua->zu_space)) != 0)
+ return (ret);
+ zua++;
+ zc.zc_nvlist_dst_size -= sizeof (zfs_useracct_t);
+ }
+ }
+
+ return (0);
+}
+
+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;
- uid = ucred_geteuid(cred);
- gid = ucred_getegid(cred);
- group_cnt = ucred_getgroups(cred, &groups);
+ (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 (uid == (uid_t)-1 || gid == (uid_t)-1 || group_cnt == (uid_t)-1)
- return (1);
+ if (zfs_ioctl(hdl, ZFS_IOC_RELEASE, &zc) != 0) {
+ char errbuf[ZFS_MAXNAMELEN+32];
- if (nvlist_add_uint32(nvp, ZFS_DELEG_PERM_UID, uid) != 0) {
- nvlist_free(nvp);
- return (1);
+ /*
+ * 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));
+ }
}
- if (nvlist_add_uint32(nvp, ZFS_DELEG_PERM_GID, gid) != 0) {
- nvlist_free(nvp);
- return (1);
+ return (0);
+}
+
+int
+zfs_get_fsacl(zfs_handle_t *zhp, nvlist_t **nvl)
+{
+ zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ libzfs_handle_t *hdl = zhp->zfs_hdl;
+ int nvsz = 2048;
+ void *nvbuf;
+ int err = 0;
+ char errbuf[ZFS_MAXNAMELEN+32];
+
+ assert(zhp->zfs_type == ZFS_TYPE_VOLUME ||
+ zhp->zfs_type == ZFS_TYPE_FILESYSTEM);
+
+tryagain:
+
+ nvbuf = malloc(nvsz);
+ if (nvbuf == NULL) {
+ err = (zfs_error(hdl, EZFS_NOMEM, strerror(errno)));
+ goto out;
}
- if (nvlist_add_uint32_array(nvp,
- ZFS_DELEG_PERM_GROUPS, (uint32_t *)groups, group_cnt) != 0) {
- nvlist_free(nvp);
- return (1);
+ zc.zc_nvlist_dst_size = nvsz;
+ zc.zc_nvlist_dst = (uintptr_t)nvbuf;
+
+ (void) strlcpy(zc.zc_name, zhp->zfs_name, ZFS_MAXNAMELEN);
+
+ if (ioctl(hdl->libzfs_fd, ZFS_IOC_GET_FSACL, &zc) != 0) {
+ (void) snprintf(errbuf, sizeof (errbuf),
+ dgettext(TEXT_DOMAIN, "cannot get permissions on '%s'"),
+ zc.zc_name);
+ switch (errno) {
+ case ENOMEM:
+ free(nvbuf);
+ nvsz = zc.zc_nvlist_dst_size;
+ goto tryagain;
+
+ case ENOTSUP:
+ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+ "pool must be upgraded"));
+ err = zfs_error(hdl, EZFS_BADVERSION, errbuf);
+ break;
+ case EINVAL:
+ err = zfs_error(hdl, EZFS_BADTYPE, errbuf);
+ break;
+ case ENOENT:
+ err = zfs_error(hdl, EZFS_NOENT, errbuf);
+ break;
+ default:
+ err = zfs_standard_error_fmt(hdl, errno, errbuf);
+ break;
+ }
+ } else {
+ /* success */
+ int rc = nvlist_unpack(nvbuf, zc.zc_nvlist_dst_size, nvl, 0);
+ if (rc) {
+ (void) snprintf(errbuf, sizeof (errbuf), dgettext(
+ TEXT_DOMAIN, "cannot get permissions on '%s'"),
+ zc.zc_name);
+ err = zfs_standard_error_fmt(hdl, rc, errbuf);
+ }
}
- (void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name));
- if (zcmd_write_src_nvlist(hdl, &zc, nvp))
- return (-1);
+ free(nvbuf);
+out:
+ return (err);
+}
- error = ioctl(hdl->libzfs_fd, ZFS_IOC_ISCSI_PERM_CHECK, &zc);
- nvlist_free(nvp);
- return (error);
+int
+zfs_set_fsacl(zfs_handle_t *zhp, boolean_t un, nvlist_t *nvl)
+{
+ zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ libzfs_handle_t *hdl = zhp->zfs_hdl;
+ char *nvbuf;
+ char errbuf[ZFS_MAXNAMELEN+32];
+ size_t nvsz;
+ int err;
+
+ assert(zhp->zfs_type == ZFS_TYPE_VOLUME ||
+ zhp->zfs_type == ZFS_TYPE_FILESYSTEM);
+
+ err = nvlist_size(nvl, &nvsz, NV_ENCODE_NATIVE);
+ assert(err == 0);
+
+ nvbuf = malloc(nvsz);
+
+ err = nvlist_pack(nvl, &nvbuf, &nvsz, NV_ENCODE_NATIVE, 0);
+ assert(err == 0);
+
+ zc.zc_nvlist_src_size = nvsz;
+ zc.zc_nvlist_src = (uintptr_t)nvbuf;
+ zc.zc_perm_action = un;
+
+ (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
+
+ if (zfs_ioctl(hdl, ZFS_IOC_SET_FSACL, &zc) != 0) {
+ (void) snprintf(errbuf, sizeof (errbuf),
+ dgettext(TEXT_DOMAIN, "cannot set permissions on '%s'"),
+ zc.zc_name);
+ switch (errno) {
+ case ENOTSUP:
+ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+ "pool must be upgraded"));
+ err = zfs_error(hdl, EZFS_BADVERSION, errbuf);
+ break;
+ case EINVAL:
+ err = zfs_error(hdl, EZFS_BADTYPE, errbuf);
+ break;
+ case ENOENT:
+ err = zfs_error(hdl, EZFS_NOENT, errbuf);
+ break;
+ default:
+ err = zfs_standard_error_fmt(hdl, errno, errbuf);
+ break;
+ }
+ }
+
+ free(nvbuf);
+
+ return (err);
}
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_get_holds(zfs_handle_t *zhp, nvlist_t **nvl)
{
- zfs_cmd_t zc = { 0 };
- int error;
+ zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ libzfs_handle_t *hdl = zhp->zfs_hdl;
+ int nvsz = 2048;
+ void *nvbuf;
+ int err = 0;
+ char errbuf[ZFS_MAXNAMELEN+32];
- (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;
+ assert(zhp->zfs_type == ZFS_TYPE_SNAPSHOT);
- error = ioctl(hdl->libzfs_fd, ZFS_IOC_SHARE, &zc);
- return (error);
+tryagain:
+
+ nvbuf = malloc(nvsz);
+ if (nvbuf == NULL) {
+ err = (zfs_error(hdl, EZFS_NOMEM, strerror(errno)));
+ goto out;
+ }
+
+ zc.zc_nvlist_dst_size = nvsz;
+ zc.zc_nvlist_dst = (uintptr_t)nvbuf;
+
+ (void) strlcpy(zc.zc_name, zhp->zfs_name, ZFS_MAXNAMELEN);
+
+ if (zfs_ioctl(hdl, ZFS_IOC_GET_HOLDS, &zc) != 0) {
+ (void) snprintf(errbuf, sizeof (errbuf),
+ dgettext(TEXT_DOMAIN, "cannot get holds for '%s'"),
+ zc.zc_name);
+ switch (errno) {
+ case ENOMEM:
+ free(nvbuf);
+ nvsz = zc.zc_nvlist_dst_size;
+ goto tryagain;
+
+ case ENOTSUP:
+ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+ "pool must be upgraded"));
+ err = zfs_error(hdl, EZFS_BADVERSION, errbuf);
+ break;
+ case EINVAL:
+ err = zfs_error(hdl, EZFS_BADTYPE, errbuf);
+ break;
+ case ENOENT:
+ err = zfs_error(hdl, EZFS_NOENT, errbuf);
+ break;
+ default:
+ err = zfs_standard_error_fmt(hdl, errno, errbuf);
+ break;
+ }
+ } else {
+ /* success */
+ int rc = nvlist_unpack(nvbuf, zc.zc_nvlist_dst_size, nvl, 0);
+ if (rc) {
+ (void) snprintf(errbuf, sizeof (errbuf),
+ dgettext(TEXT_DOMAIN, "cannot get holds for '%s'"),
+ zc.zc_name);
+ err = zfs_standard_error_fmt(hdl, rc, errbuf);
+ }
+ }
+
+ free(nvbuf);
+out:
+ return (err);
+}
+
+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);
}
git://git.camperquake.de / zfs.git / blobdiff