示例#1
0
static void
zfs_grp_error(int err)
{
	if (err == 0) {
		/* only print error once */
		(void) fprintf(stderr, dgettext(TEXT_DOMAIN,
		    "Cannot create ZFS subgroup during initialization:"
		    " %s\n"), sa_errorstr(SA_SYSTEM_ERR));
	}
}
示例#2
0
/*
 * 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);
}
示例#3
0
/*
 * Share the given filesystem according to the options in the specified
 * protocol specific properties (sharenfs, sharesmb).  We rely
 * on "libshare" to the dirty work for us.
 */
static int
zfs_share_proto(zfs_handle_t *zhp, zfs_share_proto_t *proto)
{
	char mountpoint[ZFS_MAXPROPLEN];
	char shareopts[ZFS_MAXPROPLEN];
	char sourcestr[ZFS_MAXPROPLEN];
	libzfs_handle_t *hdl = zhp->zfs_hdl;
	sa_share_t share;
	zfs_share_proto_t *curr_proto;
	zprop_source_t sourcetype;
	int ret;

	if (!zfs_is_mountable(zhp, mountpoint, sizeof (mountpoint), NULL))
		return (0);

	if ((ret = zfs_init_libshare(hdl, SA_INIT_SHARE_API)) != SA_OK) {
		(void) zfs_error_fmt(hdl, EZFS_SHARENFSFAILED,
		    dgettext(TEXT_DOMAIN, "cannot share '%s': %s"),
		    zfs_get_name(zhp), sa_errorstr(ret));
		return (-1);
	}

	for (curr_proto = proto; *curr_proto != PROTO_END; curr_proto++) {
		/*
		 * Return success if there are no share options.
		 */
		if (zfs_prop_get(zhp, proto_table[*curr_proto].p_prop,
		    shareopts, sizeof (shareopts), &sourcetype, sourcestr,
		    ZFS_MAXPROPLEN, B_FALSE) != 0 ||
		    strcmp(shareopts, "off") == 0)
			continue;

		/*
		 * If the 'zoned' property is set, then zfs_is_mountable()
		 * will have already bailed out if we are in the global zone.
		 * But local zones cannot be NFS servers, so we ignore it for
		 * local zones as well.
		 */
		if (zfs_prop_get_int(zhp, ZFS_PROP_ZONED))
			continue;

		share = sa_find_share(hdl->libzfs_sharehdl, mountpoint);
		if (share == NULL) {
			/*
			 * This may be a new file system that was just
			 * created so isn't in the internal cache
			 * (second time through). Rather than
			 * reloading the entire configuration, we can
			 * assume ZFS has done the checking and it is
			 * safe to add this to the internal
			 * configuration.
			 */
			if (sa_zfs_process_share(hdl->libzfs_sharehdl,
			    NULL, NULL, mountpoint,
			    proto_table[*curr_proto].p_name, sourcetype,
			    shareopts, sourcestr, zhp->zfs_name) != SA_OK) {
				(void) zfs_error_fmt(hdl,
				    proto_table[*curr_proto].p_share_err,
				    dgettext(TEXT_DOMAIN, "cannot share '%s'"),
				    zfs_get_name(zhp));
				return (-1);
			}
			hdl->libzfs_shareflags |= ZFSSHARE_MISS;
			share = sa_find_share(hdl->libzfs_sharehdl,
			    mountpoint);
		}
		if (share != NULL) {
			int err;
			err = sa_enable_share(share,
			    proto_table[*curr_proto].p_name);
			if (err != SA_OK) {
				(void) zfs_error_fmt(hdl,
				    proto_table[*curr_proto].p_share_err,
				    dgettext(TEXT_DOMAIN, "cannot share '%s'"),
				    zfs_get_name(zhp));
				return (-1);
			}
		} else {
			(void) zfs_error_fmt(hdl,
			    proto_table[*curr_proto].p_share_err,
			    dgettext(TEXT_DOMAIN, "cannot share '%s'"),
			    zfs_get_name(zhp));
			return (-1);
		}

	}
	return (0);
}