int
internal_attach_entity(entity_t *svc, entity_t *ent)
{
if (ent->sc_etype == SVCCFG_TEMPLATE_OBJECT) {
svc->sc_u.sc_service.sc_service_template = ent;
return (0);
}
if (svc->sc_etype != SVCCFG_SERVICE_OBJECT)
uu_die(gettext("bad entity attach: %s is not a service\n"),
svc->sc_name);
if (uu_list_find(svc->sc_u.sc_service.sc_service_instances, ent, NULL,
NULL) != NULL) {
semerr(gettext("Multiple definitions of entity %s in service "
"%s.\n"), ent->sc_name, svc->sc_name);
return (-1);
}
(void) uu_list_prepend(svc->sc_u.sc_service.sc_service_instances, ent);
ent->sc_parent = svc;
ent->sc_fmri = uu_msprintf("%s:%s", svc->sc_fmri, ent->sc_name);
if (ent->sc_fmri == NULL)
uu_die(gettext("couldn't allocate memory"));
return (0);
}
/*
* Returns B_TRUE if the bind configuration of the two instance_cfg_t
* structures are equivalent, else B_FALSE.
*/
boolean_t
bind_config_equal(const basic_cfg_t *c1, const basic_cfg_t *c2)
{
proto_info_t *pi;
if ((c1->iswait != c2->iswait) ||
(c1->istlx != c2->istlx))
return (B_FALSE);
if (uu_list_numnodes(c1->proto_list) !=
uu_list_numnodes(c2->proto_list))
return (B_FALSE);
/*
* For each element in the first configuration's socket/tlx list,
* check there's a matching one in the other list.
*/
for (pi = uu_list_first(c1->proto_list); pi != NULL;
pi = uu_list_next(c1->proto_list, pi)) {
uu_list_index_t idx;
if (uu_list_find(c2->proto_list, pi, (void *)&c1->istlx,
&idx) == NULL)
return (B_FALSE);
}
return (B_TRUE);
}
void
internal_attach_value(property_t *prop, value_t *val)
{
uu_list_index_t idx;
(void) uu_list_find(prop->sc_property_values, val, NULL, &idx);
uu_list_insert(prop->sc_property_values, val, idx);
}
int
internal_attach_service(bundle_t *bndl, entity_t *svc)
{
if (uu_list_find(bndl->sc_bundle_services, svc, NULL, NULL) != NULL) {
semerr(gettext("Multiple definitions for service %s in "
"bundle %s.\n"), svc->sc_name, bndl->sc_bundle_name);
return (-1);
}
(void) uu_list_append(bndl->sc_bundle_services, svc);
return (0);
}
int
internal_attach_dependent(entity_t *ent, pgroup_t *pg)
{
if (uu_list_find(ent->sc_dependents, pg, NULL, NULL) != NULL) {
semerr(gettext("Multiple definitions of dependent %s in "
"entity %s.\n"), pg->sc_pgroup_name, ent->sc_name);
return (-1);
}
(void) uu_list_append(ent->sc_dependents, pg);
pg->sc_parent = ent;
return (0);
}
int
internal_attach_pgroup(entity_t *ent, pgroup_t *pgrp)
{
if (uu_list_find(ent->sc_pgroups, pgrp, NULL, NULL) != NULL) {
semerr(gettext("Multiple definitions of property group %s in "
"entity %s.\n"), pgrp->sc_pgroup_name, ent->sc_name);
return (-1);
}
(void) uu_list_append(ent->sc_pgroups, pgrp);
pgrp->sc_parent = ent;
return (0);
}
/*
* Returns
* 0 - success
* -1 - prop already exists in pgrp
*/
int
internal_attach_property(pgroup_t *pgrp, property_t *prop)
{
uu_list_index_t idx;
if (uu_list_find(pgrp->sc_pgroup_props, prop, NULL, &idx) != NULL) {
semerr(gettext("Multiple definitions for property %s in "
"property group %s.\n"), prop->sc_property_name,
pgrp->sc_pgroup_name);
return (-1);
}
uu_list_insert(pgrp->sc_pgroup_props, prop, idx);
return (0);
}
/*
* Given a ZFS handle and a property, construct a complete list of datasets
* that need to be modified as part of this process. For anything but the
* 'mountpoint' and 'sharenfs' properties, this just returns an empty list.
* Otherwise, we iterate over all children and look for any datasets that
* inherit the property. For each such dataset, we add it to the list and
* mark whether it was shared beforehand.
*/
prop_changelist_t *
changelist_gather(zfs_handle_t *zhp, zfs_prop_t prop, int gather_flags,
int mnt_flags)
{
prop_changelist_t *clp;
prop_changenode_t *cn;
zfs_handle_t *temp;
char property[ZFS_MAXPROPLEN];
uu_compare_fn_t *compare = NULL;
boolean_t legacy = B_FALSE;
if ((clp = zfs_alloc(zhp->zfs_hdl, sizeof (prop_changelist_t))) == NULL)
return (NULL);
/*
* For mountpoint-related tasks, we want to sort everything by
* mountpoint, so that we mount and unmount them in the appropriate
* order, regardless of their position in the hierarchy.
*/
if (prop == ZFS_PROP_NAME || prop == ZFS_PROP_ZONED ||
prop == ZFS_PROP_MOUNTPOINT || prop == ZFS_PROP_SHARENFS ||
prop == ZFS_PROP_SHARESMB) {
if (zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT,
property, sizeof (property),
NULL, NULL, 0, B_FALSE) == 0 &&
(strcmp(property, "legacy") == 0 ||
strcmp(property, "none") == 0)) {
legacy = B_TRUE;
}
if (!legacy) {
compare = compare_mountpoints;
clp->cl_sorted = B_TRUE;
}
}
clp->cl_pool = uu_list_pool_create("changelist_pool",
sizeof (prop_changenode_t),
offsetof(prop_changenode_t, cn_listnode),
compare, 0);
if (clp->cl_pool == NULL) {
assert(uu_error() == UU_ERROR_NO_MEMORY);
(void) zfs_error(zhp->zfs_hdl, EZFS_NOMEM, "internal error");
changelist_free(clp);
return (NULL);
}
clp->cl_list = uu_list_create(clp->cl_pool, NULL,
clp->cl_sorted ? UU_LIST_SORTED : 0);
clp->cl_gflags = gather_flags;
clp->cl_mflags = mnt_flags;
if (clp->cl_list == NULL) {
assert(uu_error() == UU_ERROR_NO_MEMORY);
(void) zfs_error(zhp->zfs_hdl, EZFS_NOMEM, "internal error");
changelist_free(clp);
return (NULL);
}
/*
* If this is a rename or the 'zoned' property, we pretend we're
* changing the mountpoint and flag it so we can catch all children in
* change_one().
*
* Flag cl_alldependents to catch all children plus the dependents
* (clones) that are not in the hierarchy.
*/
if (prop == ZFS_PROP_NAME) {
clp->cl_prop = ZFS_PROP_MOUNTPOINT;
clp->cl_alldependents = B_TRUE;
} else if (prop == ZFS_PROP_ZONED) {
clp->cl_prop = ZFS_PROP_MOUNTPOINT;
clp->cl_allchildren = B_TRUE;
} else if (prop == ZFS_PROP_CANMOUNT) {
clp->cl_prop = ZFS_PROP_MOUNTPOINT;
} else if (prop == ZFS_PROP_VOLSIZE) {
clp->cl_prop = ZFS_PROP_MOUNTPOINT;
} else {
clp->cl_prop = prop;
}
clp->cl_realprop = prop;
if (clp->cl_prop != ZFS_PROP_MOUNTPOINT &&
clp->cl_prop != ZFS_PROP_SHARENFS &&
clp->cl_prop != ZFS_PROP_SHARESMB)
return (clp);
/*
* If watching SHARENFS or SHARESMB then
* also watch its companion property.
*/
if (clp->cl_prop == ZFS_PROP_SHARENFS)
clp->cl_shareprop = ZFS_PROP_SHARESMB;
else if (clp->cl_prop == ZFS_PROP_SHARESMB)
clp->cl_shareprop = ZFS_PROP_SHARENFS;
if (clp->cl_alldependents) {
if (zfs_iter_dependents(zhp, B_TRUE, change_one, clp) != 0) {
changelist_free(clp);
return (NULL);
}
} else if (zfs_iter_children(zhp, change_one, clp) != 0) {
changelist_free(clp);
return (NULL);
}
/*
* We have to re-open ourselves because we auto-close all the handles
* and can't tell the difference.
*/
if ((temp = zfs_open(zhp->zfs_hdl, zfs_get_name(zhp),
ZFS_TYPE_DATASET)) == NULL) {
changelist_free(clp);
return (NULL);
}
/*
* Always add ourself to the list. We add ourselves to the end so that
* we're the last to be unmounted.
*/
if ((cn = zfs_alloc(zhp->zfs_hdl,
sizeof (prop_changenode_t))) == NULL) {
zfs_close(temp);
changelist_free(clp);
return (NULL);
}
cn->cn_handle = temp;
cn->cn_mounted = (clp->cl_gflags & CL_GATHER_MOUNT_ALWAYS) ||
zfs_is_mounted(temp, NULL);
cn->cn_shared = zfs_is_shared(temp);
cn->cn_zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
cn->cn_needpost = B_TRUE;
uu_list_node_init(cn, &cn->cn_listnode, clp->cl_pool);
if (clp->cl_sorted) {
uu_list_index_t idx;
(void) uu_list_find(clp->cl_list, cn, NULL, &idx);
uu_list_insert(clp->cl_list, cn, idx);
} else {
/*
* Add the target dataset to the end of the list.
* The list is not really unsorted. The list will be
* in reverse dataset name order. This is necessary
* when the original mountpoint is legacy or none.
*/
verify(uu_list_insert_after(clp->cl_list,
uu_list_last(clp->cl_list), cn) == 0);
}
/*
* If the mountpoint property was previously 'legacy', or 'none',
* record it as the behavior of changelist_postfix() will be different.
*/
if ((clp->cl_prop == ZFS_PROP_MOUNTPOINT) && legacy) {
/*
* do not automatically mount ex-legacy datasets if
* we specifically set canmount to noauto
*/
if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) !=
ZFS_CANMOUNT_NOAUTO)
clp->cl_waslegacy = B_TRUE;
}
return (clp);
}
static int
change_one(zfs_handle_t *zhp, void *data)
{
prop_changelist_t *clp = data;
char property[ZFS_MAXPROPLEN];
char where[64];
prop_changenode_t *cn;
zprop_source_t sourcetype;
zprop_source_t share_sourcetype;
/*
* We only want to unmount/unshare those filesystems that may inherit
* from the target filesystem. If we find any filesystem with a
* locally set mountpoint, we ignore any children since changing the
* property will not affect them. If this is a rename, we iterate
* over all children regardless, since we need them unmounted in
* order to do the rename. Also, if this is a volume and we're doing
* a rename, then always add it to the changelist.
*/
if (!(ZFS_IS_VOLUME(zhp) && clp->cl_realprop == ZFS_PROP_NAME) &&
zfs_prop_get(zhp, clp->cl_prop, property,
sizeof (property), &sourcetype, where, sizeof (where),
B_FALSE) != 0) {
zfs_close(zhp);
return (0);
}
/*
* If we are "watching" sharenfs or sharesmb
* then check out the companion property which is tracked
* in cl_shareprop
*/
if (clp->cl_shareprop != ZPROP_INVAL &&
zfs_prop_get(zhp, clp->cl_shareprop, property,
sizeof (property), &share_sourcetype, where, sizeof (where),
B_FALSE) != 0) {
zfs_close(zhp);
return (0);
}
if (clp->cl_alldependents || clp->cl_allchildren ||
sourcetype == ZPROP_SRC_DEFAULT ||
sourcetype == ZPROP_SRC_INHERITED ||
(clp->cl_shareprop != ZPROP_INVAL &&
(share_sourcetype == ZPROP_SRC_DEFAULT ||
share_sourcetype == ZPROP_SRC_INHERITED))) {
if ((cn = zfs_alloc(zfs_get_handle(zhp),
sizeof (prop_changenode_t))) == NULL) {
zfs_close(zhp);
return (-1);
}
cn->cn_handle = zhp;
cn->cn_mounted = (clp->cl_gflags & CL_GATHER_MOUNT_ALWAYS) ||
zfs_is_mounted(zhp, NULL);
cn->cn_shared = zfs_is_shared(zhp);
cn->cn_zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
cn->cn_needpost = B_TRUE;
/* Indicate if any child is exported to a local zone. */
if (getzoneid() == GLOBAL_ZONEID && cn->cn_zoned)
clp->cl_haszonedchild = B_TRUE;
uu_list_node_init(cn, &cn->cn_listnode, clp->cl_pool);
if (clp->cl_sorted) {
uu_list_index_t idx;
(void) uu_list_find(clp->cl_list, cn, NULL,
&idx);
uu_list_insert(clp->cl_list, cn, idx);
} else {
/*
* Add this child to beginning of the list. Children
* below this one in the hierarchy will get added above
* this one in the list. This produces a list in
* reverse dataset name order.
* This is necessary when the original mountpoint
* is legacy or none.
*/
verify(uu_list_insert_before(clp->cl_list,
uu_list_first(clp->cl_list), cn) == 0);
}
if (!clp->cl_alldependents)
return (zfs_iter_children(zhp, change_one, data));
} else {
zfs_close(zhp);
}
return (0);
}
/*
* Given a ZFS handle and a property, construct a complete list of datasets
* that need to be modified as part of this process. For anything but the
* 'mountpoint' and 'sharenfs' properties, this just returns an empty list.
* Otherwise, we iterate over all children and look for any datasets that
* inherit the property. For each such dataset, we add it to the list and
* mark whether it was shared beforehand.
*/
prop_changelist_t *
changelist_gather(zfs_handle_t *zhp, zfs_prop_t prop, int flags)
{
prop_changelist_t *clp;
prop_changenode_t *cn;
zfs_handle_t *temp;
char property[ZFS_MAXPROPLEN];
uu_compare_fn_t *compare = NULL;
if ((clp = zfs_alloc(zhp->zfs_hdl, sizeof (prop_changelist_t))) == NULL)
return (NULL);
/*
* For mountpoint-related tasks, we want to sort everything by
* mountpoint, so that we mount and unmount them in the appropriate
* order, regardless of their position in the hierarchy.
*/
if (prop == ZFS_PROP_NAME || prop == ZFS_PROP_ZONED ||
prop == ZFS_PROP_MOUNTPOINT || prop == ZFS_PROP_SHARENFS) {
compare = compare_mountpoints;
clp->cl_sorted = B_TRUE;
}
clp->cl_pool = uu_list_pool_create("changelist_pool",
sizeof (prop_changenode_t),
offsetof(prop_changenode_t, cn_listnode),
compare, 0);
if (clp->cl_pool == NULL) {
assert(uu_error() == UU_ERROR_NO_MEMORY);
(void) zfs_error(zhp->zfs_hdl, EZFS_NOMEM, "internal error");
changelist_free(clp);
return (NULL);
}
clp->cl_list = uu_list_create(clp->cl_pool, NULL,
clp->cl_sorted ? UU_LIST_SORTED : 0);
clp->cl_flags = flags;
if (clp->cl_list == NULL) {
assert(uu_error() == UU_ERROR_NO_MEMORY);
(void) zfs_error(zhp->zfs_hdl, EZFS_NOMEM, "internal error");
changelist_free(clp);
return (NULL);
}
/*
* If this is a rename or the 'zoned' property, we pretend we're
* changing the mountpoint and flag it so we can catch all children in
* change_one().
*
* Flag cl_alldependents to catch all children plus the dependents
* (clones) that are not in the hierarchy.
*/
if (prop == ZFS_PROP_NAME) {
clp->cl_prop = ZFS_PROP_MOUNTPOINT;
clp->cl_alldependents = B_TRUE;
} else if (prop == ZFS_PROP_ZONED) {
clp->cl_prop = ZFS_PROP_MOUNTPOINT;
clp->cl_allchildren = B_TRUE;
} else if (prop == ZFS_PROP_CANMOUNT) {
clp->cl_prop = ZFS_PROP_MOUNTPOINT;
} else if (prop == ZFS_PROP_VOLSIZE) {
clp->cl_prop = ZFS_PROP_MOUNTPOINT;
} else if (prop == ZFS_PROP_VERSION) {
clp->cl_prop = ZFS_PROP_MOUNTPOINT;
} else {
clp->cl_prop = prop;
}
clp->cl_realprop = prop;
if (clp->cl_prop != ZFS_PROP_MOUNTPOINT &&
clp->cl_prop != ZFS_PROP_SHARENFS &&
clp->cl_prop != ZFS_PROP_SHAREISCSI)
return (clp);
if (clp->cl_alldependents) {
if (zfs_iter_dependents(zhp, B_TRUE, change_one, clp) != 0) {
changelist_free(clp);
return (NULL);
}
} else if (zfs_iter_children(zhp, change_one, clp) != 0) {
changelist_free(clp);
return (NULL);
}
/*
* We have to re-open ourselves because we auto-close all the handles
* and can't tell the difference.
*/
if ((temp = zfs_open(zhp->zfs_hdl, zfs_get_name(zhp),
ZFS_TYPE_ANY)) == NULL) {
changelist_free(clp);
return (NULL);
}
/*
* Always add ourself to the list. We add ourselves to the end so that
* we're the last to be unmounted.
*/
if ((cn = zfs_alloc(zhp->zfs_hdl,
sizeof (prop_changenode_t))) == NULL) {
zfs_close(temp);
changelist_free(clp);
return (NULL);
}
cn->cn_handle = temp;
cn->cn_mounted = zfs_is_mounted(temp, NULL);
cn->cn_shared = zfs_is_shared(temp);
#ifndef __APPLE__
cn->cn_zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
#endif /*!__APPLE__*/
uu_list_node_init(cn, &cn->cn_listnode, clp->cl_pool);
if (clp->cl_sorted) {
uu_list_index_t idx;
(void) uu_list_find(clp->cl_list, cn, NULL, &idx);
uu_list_insert(clp->cl_list, cn, idx);
} else {
verify(uu_list_insert_after(clp->cl_list,
uu_list_last(clp->cl_list), cn) == 0);
}
/*
* If the mountpoint property was previously 'legacy', or 'none',
* record it as the behavior of changelist_postfix() will be different.
*/
if ((clp->cl_prop == ZFS_PROP_MOUNTPOINT) &&
(zfs_prop_get(zhp, prop, property, sizeof (property),
NULL, NULL, 0, B_FALSE) == 0 &&
(strcmp(property, "legacy") == 0 || strcmp(property, "none") == 0)))
clp->cl_waslegacy = B_TRUE;
return (clp);
}
static int
change_one(zfs_handle_t *zhp, void *data)
{
prop_changelist_t *clp = data;
char property[ZFS_MAXPROPLEN];
char where[64];
prop_changenode_t *cn;
zfs_source_t sourcetype;
/*
* We only want to unmount/unshare those filesystems that may inherit
* from the target filesystem. If we find any filesystem with a
* locally set mountpoint, we ignore any children since changing the
* property will not affect them. If this is a rename, we iterate
* over all children regardless, since we need them unmounted in
* order to do the rename. Also, if this is a volume and we're doing
* a rename, then always add it to the changelist.
*/
if (!(ZFS_IS_VOLUME(zhp) && clp->cl_realprop == ZFS_PROP_NAME) &&
zfs_prop_get(zhp, clp->cl_prop, property,
sizeof (property), &sourcetype, where, sizeof (where),
B_FALSE) != 0) {
zfs_close(zhp);
return (0);
}
if (clp->cl_alldependents || clp->cl_allchildren ||
sourcetype == ZFS_SRC_DEFAULT || sourcetype == ZFS_SRC_INHERITED) {
if ((cn = zfs_alloc(zfs_get_handle(zhp),
sizeof (prop_changenode_t))) == NULL) {
zfs_close(zhp);
return (-1);
}
cn->cn_handle = zhp;
cn->cn_mounted = zfs_is_mounted(zhp, NULL);
cn->cn_shared = zfs_is_shared(zhp);
#ifndef __APPLE__
cn->cn_zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
/* Indicate if any child is exported to a local zone. */
if (getzoneid() == GLOBAL_ZONEID && cn->cn_zoned)
clp->cl_haszonedchild = B_TRUE;
#endif /*!__APPLE__*/
uu_list_node_init(cn, &cn->cn_listnode, clp->cl_pool);
if (clp->cl_sorted) {
uu_list_index_t idx;
(void) uu_list_find(clp->cl_list, cn, NULL,
&idx);
uu_list_insert(clp->cl_list, cn, idx);
} else {
ASSERT(!clp->cl_alldependents);
verify(uu_list_insert_before(clp->cl_list,
uu_list_first(clp->cl_list), cn) == 0);
}
if (!clp->cl_alldependents)
return (zfs_iter_children(zhp, change_one, data));
} else {
zfs_close(zhp);
}
return (0);
}
