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/* $OpenBSD: auth_none.c,v 1.14 2015/11/01 03:45:29 guenther Exp $ */ |
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/* |
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* Copyright (c) 2010, Oracle America, Inc. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* * Neither the name of the "Oracle America, Inc." nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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/* |
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* auth_none.c |
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* Creates a client authentication handle for passing "null" |
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* credentials and verifiers to remote systems. |
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*/ |
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#include <stdlib.h> |
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#include <rpc/types.h> |
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#include <rpc/rpc.h> |
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#include <rpc/xdr.h> |
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#include <rpc/auth.h> |
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#define MAX_MARSHEL_SIZE 20 |
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/* |
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* Authenticator operations routines |
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*/ |
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static void authnone_destroy(struct __rpc_auth *); |
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static void authnone_verf(struct __rpc_auth *); |
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static bool_t authnone_validate(struct __rpc_auth *, struct opaque_auth *); |
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static bool_t authnone_marshal(struct __rpc_auth *, XDR *); |
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static bool_t authnone_refresh(struct __rpc_auth *); |
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static struct auth_ops ops = { |
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authnone_verf, |
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authnone_marshal, |
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authnone_validate, |
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authnone_refresh, |
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authnone_destroy |
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}; |
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static struct authnone_private { |
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AUTH no_client; |
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char marshalled_client[MAX_MARSHEL_SIZE]; |
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u_int mcnt; |
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} *authnone_private; |
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AUTH * |
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authnone_create(void) |
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{ |
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struct authnone_private *ap = authnone_private; |
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XDR xdr_stream; |
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XDR *xdrs; |
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if (ap == NULL) { |
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ap = calloc(1, sizeof (*ap)); |
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if (ap == NULL) |
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return (NULL); |
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authnone_private = ap; |
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} |
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if (!ap->mcnt) { |
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ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth; |
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ap->no_client.ah_ops = &ops; |
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xdrs = &xdr_stream; |
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xdrmem_create(xdrs, ap->marshalled_client, (u_int)MAX_MARSHEL_SIZE, |
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XDR_ENCODE); |
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(void)xdr_opaque_auth(xdrs, &ap->no_client.ah_cred); |
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(void)xdr_opaque_auth(xdrs, &ap->no_client.ah_verf); |
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ap->mcnt = XDR_GETPOS(xdrs); |
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XDR_DESTROY(xdrs); |
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} |
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return (&ap->no_client); |
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} |
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DEF_WEAK(authnone_create); |
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static bool_t |
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authnone_marshal(AUTH *client, XDR *xdrs) |
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{ |
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struct authnone_private *ap = authnone_private; |
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if (ap == NULL) |
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return (0); |
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return ((*xdrs->x_ops->x_putbytes)(xdrs, |
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ap->marshalled_client, ap->mcnt)); |
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} |
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static void |
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authnone_verf(struct __rpc_auth *none) |
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{ |
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} |
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static bool_t |
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authnone_validate(struct __rpc_auth *none, struct opaque_auth *noauth) |
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{ |
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return (TRUE); |
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} |
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static bool_t |
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authnone_refresh(struct __rpc_auth *none) |
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{ |
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return (FALSE); |
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} |
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static void |
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authnone_destroy(struct __rpc_auth *none) |
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{ |
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} |