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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1997 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Portions of this source code were derived from Berkeley 4.3 BSD
* under license from the Regents of the University of California.
*/
/*
* rpcb_prot.c
* XDR routines for the rpcbinder version 3.
*/
#include <rpc/rpc.h>
#include <rpc/types.h>
#include <rpc/xdr.h>
#include <rpc/rpcb_prot.h>
bool_t
xdr_rpcb(XDR *xdrs, RPCB *objp)
{
if (!xdr_rpcprog(xdrs, &objp->r_prog))
return (FALSE);
if (!xdr_rpcvers(xdrs, &objp->r_vers))
return (FALSE);
if (!xdr_string(xdrs, &objp->r_netid, ~0))
return (FALSE);
if (!xdr_string(xdrs, &objp->r_addr, ~0))
return (FALSE);
if (!xdr_string(xdrs, &objp->r_owner, ~0))
return (FALSE);
return (TRUE);
}
/*
* XDR remote call arguments
* written for XDR_ENCODE direction only
*/
bool_t
xdr_rpcb_rmtcallargs(XDR *xdrs, struct rpcb_rmtcallargs *objp)
{
uint_t lenposition, argposition, position;
if (!xdr_rpcprog(xdrs, &objp->prog))
return (FALSE);
if (!xdr_rpcvers(xdrs, &objp->vers))
return (FALSE);
if (!xdr_rpcproc(xdrs, &objp->proc))
return (FALSE);
/*
* All the jugglery for just getting the size of the arguments
*/
lenposition = XDR_GETPOS(xdrs);
if (!xdr_u_int(xdrs, &(objp->arglen)))
return (FALSE);
argposition = XDR_GETPOS(xdrs);
if (!(*(objp->xdr_args))(xdrs, objp->args_ptr))
return (FALSE);
position = XDR_GETPOS(xdrs);
objp->arglen = position - argposition;
XDR_SETPOS(xdrs, lenposition);
if (!xdr_u_int(xdrs, &(objp->arglen)))
return (FALSE);
XDR_SETPOS(xdrs, position);
return (TRUE);
}
/*
* XDR remote call results
* written for XDR_DECODE direction only
*/
bool_t
xdr_rpcb_rmtcallres(XDR *xdrs, struct rpcb_rmtcallres *objp)
{
if (!xdr_string(xdrs, &objp->addr_ptr, ~0))
return (FALSE);
if (!xdr_u_int(xdrs, &objp->resultslen))
return (FALSE);
return ((*(objp->xdr_results))(xdrs, objp->results_ptr));
}
bool_t
xdr_netbuf(XDR *xdrs, struct netbuf *objp)
{
bool_t res;
/*
* Save the passed in maxlen value and buf pointer. We might
* need them later.
*/
uint_t maxlen_save = objp->maxlen;
void *buf_save = objp->buf;
if (!xdr_u_int(xdrs, &objp->maxlen))
return (FALSE);
/*
* We need to free maxlen, not len, so do it explicitly now.
*/
if (xdrs->x_op == XDR_FREE)
return (xdr_bytes(xdrs, &objp->buf, &objp->maxlen,
objp->maxlen));
/*
* If we're decoding and the caller has already allocated a
* buffer restore the maxlen value since the decoded value
* doesn't apply to the caller's buffer. xdr_bytes() will
* return an error if the buffer isn't big enough.
*/
if (xdrs->x_op == XDR_DECODE && objp->buf != NULL)
objp->maxlen = maxlen_save;
res = xdr_bytes(xdrs, &objp->buf, &objp->len, objp->maxlen);
/*
* If we are decoding and the buffer was allocated in the
* xdr_bytes() function we need to set maxlen properly to
* follow the netbuf semantics.
*/
if (xdrs->x_op == XDR_DECODE && objp->buf != buf_save)
objp->maxlen = objp->len;
return (res);
}
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