132 lines
3.7 KiB
C
132 lines
3.7 KiB
C
/* $OpenBSD: auth_none.c,v 1.15 2022/02/14 03:38:59 guenther Exp $ */
|
|
|
|
/*
|
|
* 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 <stdlib.h>
|
|
#include <rpc/types.h>
|
|
#include <rpc/rpc.h>
|
|
#include <rpc/xdr.h>
|
|
#include <rpc/auth.h>
|
|
#define MAX_MARSHEL_SIZE 20
|
|
|
|
/*
|
|
* Authenticator operations routines
|
|
*/
|
|
static void authnone_destroy(struct __rpc_auth *);
|
|
static void authnone_verf(struct __rpc_auth *);
|
|
static bool_t authnone_validate(struct __rpc_auth *, struct opaque_auth *);
|
|
static bool_t authnone_marshal(struct __rpc_auth *, XDR *);
|
|
static bool_t authnone_refresh(struct __rpc_auth *);
|
|
|
|
static const struct auth_ops ops = {
|
|
authnone_verf,
|
|
authnone_marshal,
|
|
authnone_validate,
|
|
authnone_refresh,
|
|
authnone_destroy
|
|
};
|
|
|
|
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 == NULL) {
|
|
ap = calloc(1, sizeof (*ap));
|
|
if (ap == NULL)
|
|
return (NULL);
|
|
authnone_private = ap;
|
|
}
|
|
if (!ap->mcnt) {
|
|
ap->no_client.ah_cred = ap->no_client.ah_verf = _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);
|
|
}
|
|
DEF_WEAK(authnone_create);
|
|
|
|
static bool_t
|
|
authnone_marshal(AUTH *client, XDR *xdrs)
|
|
{
|
|
struct authnone_private *ap = authnone_private;
|
|
|
|
if (ap == NULL)
|
|
return (0);
|
|
return ((*xdrs->x_ops->x_putbytes)(xdrs,
|
|
ap->marshalled_client, ap->mcnt));
|
|
}
|
|
|
|
static void
|
|
authnone_verf(struct __rpc_auth *none)
|
|
{
|
|
}
|
|
|
|
static bool_t
|
|
authnone_validate(struct __rpc_auth *none, struct opaque_auth *noauth)
|
|
{
|
|
|
|
return (TRUE);
|
|
}
|
|
|
|
static bool_t
|
|
authnone_refresh(struct __rpc_auth *none)
|
|
{
|
|
|
|
return (FALSE);
|
|
}
|
|
|
|
static void
|
|
authnone_destroy(struct __rpc_auth *none)
|
|
{
|
|
}
|