135 lines
3.8 KiB
C
135 lines
3.8 KiB
C
/*
|
|
* Copyright (c) 2010, Oracle America, Inc.
|
|
*
|
|
* 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.
|
|
*/
|
|
/*
|
|
* auth_none.c
|
|
* Creates a client authentication handle for passing "null"
|
|
* credentials and verifiers to remote systems.
|
|
*/
|
|
|
|
#include <rpc/rpc.h>
|
|
#include <libc-lock.h>
|
|
#include <shlib-compat.h>
|
|
|
|
#define MAX_MARSHAL_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 *);
|
|
|
|
static const struct auth_ops ops = {
|
|
authnone_verf,
|
|
authnone_marshal,
|
|
authnone_validate,
|
|
authnone_refresh,
|
|
authnone_destroy
|
|
};
|
|
|
|
/* Internal data and routines */
|
|
|
|
struct authnone_private_s {
|
|
AUTH no_client;
|
|
char marshalled_client[MAX_MARSHAL_SIZE];
|
|
u_int mcnt;
|
|
};
|
|
|
|
static struct authnone_private_s authnone_private;
|
|
__libc_once_define(static, authnone_private_guard);
|
|
|
|
static void authnone_create_once (void);
|
|
|
|
static void
|
|
authnone_create_once (void)
|
|
{
|
|
struct authnone_private_s *ap;
|
|
XDR xdr_stream;
|
|
XDR *xdrs;
|
|
|
|
ap = &authnone_private;
|
|
|
|
ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth;
|
|
ap->no_client.ah_ops = (struct auth_ops *) &ops;
|
|
xdrs = &xdr_stream;
|
|
xdrmem_create (xdrs, ap->marshalled_client,
|
|
(u_int) MAX_MARSHAL_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);
|
|
}
|
|
|
|
AUTH *
|
|
authnone_create (void)
|
|
{
|
|
__libc_once (authnone_private_guard, authnone_create_once);
|
|
return &authnone_private.no_client;
|
|
}
|
|
libc_hidden_nolink_sunrpc (authnone_create, GLIBC_2_0)
|
|
|
|
static bool_t
|
|
authnone_marshal (AUTH *client, XDR *xdrs)
|
|
{
|
|
struct authnone_private_s *ap;
|
|
|
|
/* authnone_create returned authnone_private->no_client, which is
|
|
the first field of struct authnone_private_s. */
|
|
ap = (struct authnone_private_s *) client;
|
|
if (ap == NULL)
|
|
return FALSE;
|
|
return (*xdrs->x_ops->x_putbytes) (xdrs, ap->marshalled_client, ap->mcnt);
|
|
}
|
|
|
|
static void
|
|
authnone_verf (AUTH *auth)
|
|
{
|
|
}
|
|
|
|
static bool_t
|
|
authnone_validate (AUTH *auth, struct opaque_auth *oa)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
static bool_t
|
|
authnone_refresh (AUTH *auth)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
authnone_destroy (AUTH *auth)
|
|
{
|
|
}
|