xref: /onnv-gate/usr/src/uts/common/rpc/rpcb_prot.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
28*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate  * Portions of this source code were derived from Berkeley 4.3 BSD
32*0Sstevel@tonic-gate  * under license from the Regents of the University of California.
33*0Sstevel@tonic-gate  */
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate /*
36*0Sstevel@tonic-gate  * rpcb_prot.c
37*0Sstevel@tonic-gate  * XDR routines for the rpcbinder version 3.
38*0Sstevel@tonic-gate  */
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate #if !defined(lint) && defined(SCCSIDS)
43*0Sstevel@tonic-gate static char sccsid[] = "@(#)rpcb_prot.c 1.9 89/04/21 Copyr 1984 Sun Micro";
44*0Sstevel@tonic-gate #endif
45*0Sstevel@tonic-gate 
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate #include <rpc/rpc.h>
48*0Sstevel@tonic-gate #include <rpc/types.h>
49*0Sstevel@tonic-gate #include <rpc/xdr.h>
50*0Sstevel@tonic-gate #include <rpc/rpcb_prot.h>
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate 
53*0Sstevel@tonic-gate bool_t
xdr_rpcb(XDR * xdrs,RPCB * objp)54*0Sstevel@tonic-gate xdr_rpcb(XDR *xdrs, RPCB *objp)
55*0Sstevel@tonic-gate {
56*0Sstevel@tonic-gate 	if (!xdr_rpcprog(xdrs, &objp->r_prog))
57*0Sstevel@tonic-gate 		return (FALSE);
58*0Sstevel@tonic-gate 	if (!xdr_rpcvers(xdrs, &objp->r_vers))
59*0Sstevel@tonic-gate 		return (FALSE);
60*0Sstevel@tonic-gate 	if (!xdr_string(xdrs, &objp->r_netid, ~0))
61*0Sstevel@tonic-gate 		return (FALSE);
62*0Sstevel@tonic-gate 	if (!xdr_string(xdrs, &objp->r_addr, ~0))
63*0Sstevel@tonic-gate 		return (FALSE);
64*0Sstevel@tonic-gate 	if (!xdr_string(xdrs, &objp->r_owner, ~0))
65*0Sstevel@tonic-gate 		return (FALSE);
66*0Sstevel@tonic-gate 	return (TRUE);
67*0Sstevel@tonic-gate }
68*0Sstevel@tonic-gate 
69*0Sstevel@tonic-gate /*
70*0Sstevel@tonic-gate  * XDR remote call arguments
71*0Sstevel@tonic-gate  * written for XDR_ENCODE direction only
72*0Sstevel@tonic-gate  */
73*0Sstevel@tonic-gate bool_t
xdr_rpcb_rmtcallargs(XDR * xdrs,struct rpcb_rmtcallargs * objp)74*0Sstevel@tonic-gate xdr_rpcb_rmtcallargs(XDR *xdrs, struct rpcb_rmtcallargs *objp)
75*0Sstevel@tonic-gate {
76*0Sstevel@tonic-gate 	u_int lenposition, argposition, position;
77*0Sstevel@tonic-gate 
78*0Sstevel@tonic-gate 	if (!xdr_rpcprog(xdrs, &objp->prog))
79*0Sstevel@tonic-gate 		return (FALSE);
80*0Sstevel@tonic-gate 	if (!xdr_rpcvers(xdrs, &objp->vers))
81*0Sstevel@tonic-gate 		return (FALSE);
82*0Sstevel@tonic-gate 	if (!xdr_rpcproc(xdrs, &objp->proc))
83*0Sstevel@tonic-gate 		return (FALSE);
84*0Sstevel@tonic-gate 	/*
85*0Sstevel@tonic-gate 	 * All the jugglery for just getting the size of the arguments
86*0Sstevel@tonic-gate 	 */
87*0Sstevel@tonic-gate 	lenposition = XDR_GETPOS(xdrs);
88*0Sstevel@tonic-gate 	if (!xdr_u_int(xdrs, &(objp->arglen)))
89*0Sstevel@tonic-gate 	    return (FALSE);
90*0Sstevel@tonic-gate 	argposition = XDR_GETPOS(xdrs);
91*0Sstevel@tonic-gate 	if (!(*(objp->xdr_args))(xdrs, objp->args_ptr))
92*0Sstevel@tonic-gate 	    return (FALSE);
93*0Sstevel@tonic-gate 	position = XDR_GETPOS(xdrs);
94*0Sstevel@tonic-gate 	objp->arglen = (u_int)position - (u_int)argposition;
95*0Sstevel@tonic-gate 	XDR_SETPOS(xdrs, lenposition);
96*0Sstevel@tonic-gate 	if (!xdr_u_int(xdrs, &(objp->arglen)))
97*0Sstevel@tonic-gate 	    return (FALSE);
98*0Sstevel@tonic-gate 	XDR_SETPOS(xdrs, position);
99*0Sstevel@tonic-gate 	return (TRUE);
100*0Sstevel@tonic-gate }
101*0Sstevel@tonic-gate 
102*0Sstevel@tonic-gate /*
103*0Sstevel@tonic-gate  * XDR remote call results
104*0Sstevel@tonic-gate  * written for XDR_DECODE direction only
105*0Sstevel@tonic-gate  */
106*0Sstevel@tonic-gate bool_t
xdr_rpcb_rmtcallres(XDR * xdrs,struct rpcb_rmtcallres * objp)107*0Sstevel@tonic-gate xdr_rpcb_rmtcallres(XDR *xdrs, struct rpcb_rmtcallres *objp)
108*0Sstevel@tonic-gate {
109*0Sstevel@tonic-gate 	if (!xdr_string(xdrs, &objp->addr_ptr, ~0))
110*0Sstevel@tonic-gate 		return (FALSE);
111*0Sstevel@tonic-gate 	if (!xdr_u_int(xdrs, &objp->resultslen))
112*0Sstevel@tonic-gate 		return (FALSE);
113*0Sstevel@tonic-gate 	return ((*(objp->xdr_results))(xdrs, objp->results_ptr));
114*0Sstevel@tonic-gate }
115*0Sstevel@tonic-gate 
116*0Sstevel@tonic-gate bool_t
xdr_netbuf(XDR * xdrs,struct netbuf * objp)117*0Sstevel@tonic-gate xdr_netbuf(XDR *xdrs, struct netbuf *objp)
118*0Sstevel@tonic-gate {
119*0Sstevel@tonic-gate 	/*
120*0Sstevel@tonic-gate 	 * If we're decoding and the caller has already allocated a buffer,
121*0Sstevel@tonic-gate 	 * throw away maxlen, since it doesn't apply to the caller's
122*0Sstevel@tonic-gate 	 * buffer.  xdr_bytes will return an error if the buffer isn't big
123*0Sstevel@tonic-gate 	 * enough.
124*0Sstevel@tonic-gate 	 */
125*0Sstevel@tonic-gate 	if (xdrs->x_op == XDR_DECODE && objp->buf != NULL) {
126*0Sstevel@tonic-gate 		u_int maxlen;
127*0Sstevel@tonic-gate 
128*0Sstevel@tonic-gate 		if (!xdr_u_int(xdrs, &maxlen))
129*0Sstevel@tonic-gate 			return (FALSE);
130*0Sstevel@tonic-gate 	} else {
131*0Sstevel@tonic-gate 		if (!xdr_u_int(xdrs, (u_int *)&objp->maxlen))
132*0Sstevel@tonic-gate 			return (FALSE);
133*0Sstevel@tonic-gate 	}
134*0Sstevel@tonic-gate 	return (xdr_bytes(xdrs, (char **)&(objp->buf),
135*0Sstevel@tonic-gate 	    (u_int *)&(objp->len), objp->maxlen));
136*0Sstevel@tonic-gate }
137