/* @(#)auth_none.c 2.1 88/07/29 4.0 RPCSRC */
/*
* Copyright (c) 2010, Oracle America, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of the "Oracle America, Inc." nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)auth_none.c 1.19 87/08/11 Copyr 1984 Sun Micro";
#endif
/*
* auth_none.c
* Creates a client authentication handle for passing "null"
* credentials and verifiers to remote systems.
*/
#include <gssrpc/types.h>
#include <gssrpc/xdr.h>
#include <gssrpc/auth.h>
#include <stdlib.h>
#define MAX_MARSHEL_SIZE 20
/*
* Authenticator operations routines
*/
static void authnone_verf(AUTH *);
static void authnone_destroy(AUTH *);
static bool_t authnone_marshal(AUTH *, XDR *);
static bool_t authnone_validate(AUTH *, struct opaque_auth *);
static bool_t authnone_refresh(AUTH *, struct rpc_msg *);
static bool_t authnone_wrap(AUTH *, XDR *, xdrproc_t, caddr_t);
static struct auth_ops ops = {
authnone_verf,
authnone_marshal,
authnone_validate,
authnone_refresh,
authnone_destroy,
authnone_wrap,
authnone_wrap
};
static struct authnone_private {
AUTH no_client;
char marshalled_client[MAX_MARSHEL_SIZE];
u_int mcnt;
} *authnone_private;
AUTH *
authnone_create(void)
{
struct authnone_private *ap = authnone_private;
XDR xdr_stream;
XDR *xdrs;
if (ap == 0) {
ap = (struct authnone_private *)calloc(1, sizeof (*ap));
if (ap == 0)
return (0);
authnone_private = ap;
}
if (!ap->mcnt) {
ap->no_client.ah_cred = ap->no_client.ah_verf = gssrpc__null_auth;
ap->no_client.ah_ops = &ops;
xdrs = &xdr_stream;
xdrmem_create(xdrs, ap->marshalled_client, (u_int)MAX_MARSHEL_SIZE,
XDR_ENCODE);
(void)xdr_opaque_auth(xdrs, &ap->no_client.ah_cred);
(void)xdr_opaque_auth(xdrs, &ap->no_client.ah_verf);
ap->mcnt = XDR_GETPOS(xdrs);
XDR_DESTROY(xdrs);
}
return (&ap->no_client);
}
/*ARGSUSED*/
static bool_t
authnone_marshal(AUTH *client, XDR *xdrs)
{
struct authnone_private *ap = authnone_private;
if (ap == 0)
return (0);
return ((*xdrs->x_ops->x_putbytes)(xdrs,
ap->marshalled_client, ap->mcnt));
}
/*ARGSUSED*/
static void
authnone_verf(AUTH *auth)
{
}
/*ARGSUSED*/
static bool_t
authnone_validate(AUTH *auth, struct opaque_auth *verf)
{
return (TRUE);
}
/*ARGSUSED*/
static bool_t
authnone_refresh(AUTH *auth, struct rpc_msg *msg)
{
return (FALSE);
}
/*ARGSUSED*/
static void
authnone_destroy(AUTH *auth)
{
}
static bool_t
authnone_wrap(AUTH *auth, XDR *xdrs, xdrproc_t xfunc, caddr_t xwhere)
{
return ((*xfunc)(xdrs, xwhere));
}