void
sa_fini(sa_handle_t handle)
{
sa_handle_impl_t impl_handle = (sa_handle_impl_t)handle;
sa_share_impl_t impl_share, next;
sa_share_impl_t *pcurr;
if (impl_handle == NULL)
return;
/*
* clean up shares which don't have a non-NULL dataset property,
* which means they're in sharetab but we couldn't find their
* ZFS dataset.
*/
pcurr = &(impl_handle->shares);
impl_share = *pcurr;
while (impl_share != NULL) {
next = impl_share->next;
if (impl_share->dataset == NULL) {
/* remove item from the linked list */
*pcurr = next;
sa_disable_share(impl_share, NULL);
free_share(impl_share);
} else {
pcurr = &(impl_share->next);
}
impl_share = next;
}
update_sharetab(impl_handle);
if (impl_handle->zfs_libhandle != NULL)
libzfs_fini(impl_handle->zfs_libhandle);
impl_share = impl_handle->shares;
while (impl_share != NULL) {
next = impl_share->next;
free_share(impl_share);
impl_share = next;
}
free(impl_handle);
}
/*
* Unshare a filesystem by mountpoint.
*/
static int
unshare_one(libzfs_handle_t *hdl, const char *name, const char *mountpoint,
zfs_share_proto_t proto)
{
sa_share_t share;
int err;
char *mntpt;
/*
* Mountpoint could get trashed if libshare calls getmntany
* which it does during API initialization, so strdup the
* value.
*/
mntpt = zfs_strdup(hdl, mountpoint);
/* make sure libshare initialized */
if ((err = zfs_init_libshare(hdl, SA_INIT_SHARE_API)) != SA_OK) {
free(mntpt); /* don't need the copy anymore */
return (zfs_error_fmt(hdl, EZFS_SHARENFSFAILED,
dgettext(TEXT_DOMAIN, "cannot unshare '%s': %s"),
name, sa_errorstr(err)));
}
share = sa_find_share(hdl->libzfs_sharehdl, mntpt);
free(mntpt); /* don't need the copy anymore */
if (share != NULL) {
err = sa_disable_share(share, proto_table[proto].p_name);
if (err != SA_OK) {
return (zfs_error_fmt(hdl, EZFS_UNSHARENFSFAILED,
dgettext(TEXT_DOMAIN, "cannot unshare '%s': %s"),
name, sa_errorstr(err)));
}
} else {
return (zfs_error_fmt(hdl, EZFS_UNSHARENFSFAILED,
dgettext(TEXT_DOMAIN, "cannot unshare '%s': not found"),
name));
}
return (0);
}
