NAME

       nbd_set_uri_allow_tls - set the allowed TLS settings in NBD URIs

SYNOPSIS

        #include <libnbd.h>

        int nbd_set_uri_allow_tls (struct nbd_handle *h, int tls);

DESCRIPTION

       Set which TLS settings are allowed to appear in NBD URIs.  The default is to allow either non-TLS or TLS
       URIs.

       The "tls" parameter can be:

       "LIBNBD_TLS_DISABLE"
           TLS URIs are not permitted, ie. a URI such as "nbds://..."  will be rejected.

       "LIBNBD_TLS_ALLOW"
           This is the default.  TLS may be used or not, depending on whether the URI uses "nbds" or "nbd".

       "LIBNBD_TLS_REQUIRE"
           TLS URIs are required.  All URIs must use "nbds".

RETURN VALUE

       If the call is successful the function returns 0.

ERRORS

       On error "-1" is returned.

       Refer to "ERROR HANDLING" in libnbd(3) for how to get further details of the error.

HANDLE STATE

       The handle must be newly created, otherwise this call will return an error.

VERSION

       This function first appeared in libnbd 1.2.

       If  you  need  to  test  if  this  function  is available at compile time check if the following macro is
       defined:

        #define LIBNBD_HAVE_NBD_SET_URI_ALLOW_TLS 1

SEE ALSO

       nbd_connect_uri(3), nbd_create(3), nbd_set_uri_allow_transports(3), libnbd(3).

AUTHORS

       Eric Blake

       Richard W.M. Jones

COPYRIGHT

       Copyright (C) 2019-2021 Red Hat Inc.

LICENSE

       This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser
       General Public License as published by the Free Software Foundation; either version 2 of the License,  or
       (at your option) any later version.

       This  library  is  distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
       the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser  General
       Public License for more details.

       You should have received a copy of the GNU Lesser General Public License along with this library; if not,
       write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

libnbd-1.10.5                                      2022-02-11                           nbd_set_uri_allow_tls(3)