xref: /illumos-gate/usr/src/stand/lib/fs/nfs/nfs_xdr.c (revision 7c478bd9)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate  */
26*7c478bd9Sstevel@tonic-gate 
27*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*7c478bd9Sstevel@tonic-gate 
29*7c478bd9Sstevel@tonic-gate #include <rpc/types.h>
30*7c478bd9Sstevel@tonic-gate #include <rpc/xdr.h>
31*7c478bd9Sstevel@tonic-gate #include <rpc/rpc.h>
32*7c478bd9Sstevel@tonic-gate #include <rpcsvc/nfs_prot.h>
33*7c478bd9Sstevel@tonic-gate 
34*7c478bd9Sstevel@tonic-gate /*
35*7c478bd9Sstevel@tonic-gate  * XDR routines for NFS ops.
36*7c478bd9Sstevel@tonic-gate  */
37*7c478bd9Sstevel@tonic-gate static bool_t
xdr_b_nfsstat(XDR * xdrs,nfsstat * objp)38*7c478bd9Sstevel@tonic-gate xdr_b_nfsstat(XDR *xdrs, nfsstat *objp)
39*7c478bd9Sstevel@tonic-gate {
40*7c478bd9Sstevel@tonic-gate 	return (xdr_enum(xdrs, (enum_t *)objp));
41*7c478bd9Sstevel@tonic-gate }
42*7c478bd9Sstevel@tonic-gate 
43*7c478bd9Sstevel@tonic-gate static bool_t
xdr_b_ftype(XDR * xdrs,ftype * objp)44*7c478bd9Sstevel@tonic-gate xdr_b_ftype(XDR *xdrs, ftype *objp)
45*7c478bd9Sstevel@tonic-gate {
46*7c478bd9Sstevel@tonic-gate 	return (xdr_enum(xdrs, (enum_t *)objp));
47*7c478bd9Sstevel@tonic-gate }
48*7c478bd9Sstevel@tonic-gate 
49*7c478bd9Sstevel@tonic-gate bool_t
xdr_nfs_fh(XDR * xdrs,nfs_fh * objp)50*7c478bd9Sstevel@tonic-gate xdr_nfs_fh(XDR *xdrs, nfs_fh *objp)
51*7c478bd9Sstevel@tonic-gate {
52*7c478bd9Sstevel@tonic-gate 	return (xdr_opaque(xdrs, objp->data, NFS_FHSIZE));
53*7c478bd9Sstevel@tonic-gate }
54*7c478bd9Sstevel@tonic-gate 
55*7c478bd9Sstevel@tonic-gate static bool_t
xdr_b_nfstime(XDR * xdrs,nfstime * objp)56*7c478bd9Sstevel@tonic-gate xdr_b_nfstime(XDR *xdrs, nfstime *objp)
57*7c478bd9Sstevel@tonic-gate {
58*7c478bd9Sstevel@tonic-gate 	if (!xdr_u_int(xdrs, &objp->seconds)) {
59*7c478bd9Sstevel@tonic-gate 		return (FALSE);
60*7c478bd9Sstevel@tonic-gate 	}
61*7c478bd9Sstevel@tonic-gate 	return (xdr_u_int(xdrs, &objp->useconds));
62*7c478bd9Sstevel@tonic-gate }
63*7c478bd9Sstevel@tonic-gate 
64*7c478bd9Sstevel@tonic-gate static bool_t
xdr_b_fattr(XDR * xdrs,fattr * objp)65*7c478bd9Sstevel@tonic-gate xdr_b_fattr(XDR *xdrs, fattr *objp)
66*7c478bd9Sstevel@tonic-gate {
67*7c478bd9Sstevel@tonic-gate 	if (!xdr_b_ftype(xdrs, &objp->type)) {
68*7c478bd9Sstevel@tonic-gate 		return (FALSE);
69*7c478bd9Sstevel@tonic-gate 	}
70*7c478bd9Sstevel@tonic-gate 	if (!xdr_u_int(xdrs, &objp->mode)) {
71*7c478bd9Sstevel@tonic-gate 		return (FALSE);
72*7c478bd9Sstevel@tonic-gate 	}
73*7c478bd9Sstevel@tonic-gate 	if (!xdr_u_int(xdrs, &objp->nlink)) {
74*7c478bd9Sstevel@tonic-gate 		return (FALSE);
75*7c478bd9Sstevel@tonic-gate 	}
76*7c478bd9Sstevel@tonic-gate 	if (!xdr_u_int(xdrs, &objp->uid)) {
77*7c478bd9Sstevel@tonic-gate 		return (FALSE);
78*7c478bd9Sstevel@tonic-gate 	}
79*7c478bd9Sstevel@tonic-gate 	if (!xdr_u_int(xdrs, &objp->gid)) {
80*7c478bd9Sstevel@tonic-gate 		return (FALSE);
81*7c478bd9Sstevel@tonic-gate 	}
82*7c478bd9Sstevel@tonic-gate 	if (!xdr_u_int(xdrs, &objp->size)) {
83*7c478bd9Sstevel@tonic-gate 		return (FALSE);
84*7c478bd9Sstevel@tonic-gate 	}
85*7c478bd9Sstevel@tonic-gate 	if (!xdr_u_int(xdrs, &objp->blocksize)) {
86*7c478bd9Sstevel@tonic-gate 		return (FALSE);
87*7c478bd9Sstevel@tonic-gate 	}
88*7c478bd9Sstevel@tonic-gate 	if (!xdr_u_int(xdrs, &objp->rdev)) {
89*7c478bd9Sstevel@tonic-gate 		return (FALSE);
90*7c478bd9Sstevel@tonic-gate 	}
91*7c478bd9Sstevel@tonic-gate 	if (!xdr_u_int(xdrs, &objp->blocks)) {
92*7c478bd9Sstevel@tonic-gate 		return (FALSE);
93*7c478bd9Sstevel@tonic-gate 	}
94*7c478bd9Sstevel@tonic-gate 	if (!xdr_u_int(xdrs, &objp->fsid)) {
95*7c478bd9Sstevel@tonic-gate 		return (FALSE);
96*7c478bd9Sstevel@tonic-gate 	}
97*7c478bd9Sstevel@tonic-gate 	if (!xdr_u_int(xdrs, &objp->fileid)) {
98*7c478bd9Sstevel@tonic-gate 		return (FALSE);
99*7c478bd9Sstevel@tonic-gate 	}
100*7c478bd9Sstevel@tonic-gate 	if (!xdr_b_nfstime(xdrs, &objp->atime)) {
101*7c478bd9Sstevel@tonic-gate 		return (FALSE);
102*7c478bd9Sstevel@tonic-gate 	}
103*7c478bd9Sstevel@tonic-gate 	if (!xdr_b_nfstime(xdrs, &objp->mtime)) {
104*7c478bd9Sstevel@tonic-gate 		return (FALSE);
105*7c478bd9Sstevel@tonic-gate 	}
106*7c478bd9Sstevel@tonic-gate 	return (xdr_b_nfstime(xdrs, &objp->ctime));
107*7c478bd9Sstevel@tonic-gate }
108*7c478bd9Sstevel@tonic-gate 
109*7c478bd9Sstevel@tonic-gate static bool_t
xdr_b_filename(XDR * xdrs,filename * objp)110*7c478bd9Sstevel@tonic-gate xdr_b_filename(XDR *xdrs, filename *objp)
111*7c478bd9Sstevel@tonic-gate {
112*7c478bd9Sstevel@tonic-gate 	return (xdr_string(xdrs, objp, NFS_MAXNAMLEN));
113*7c478bd9Sstevel@tonic-gate }
114*7c478bd9Sstevel@tonic-gate 
115*7c478bd9Sstevel@tonic-gate static bool_t
xdr_b_nfspath(XDR * xdrs,nfspath * objp)116*7c478bd9Sstevel@tonic-gate xdr_b_nfspath(XDR *xdrs, nfspath *objp)
117*7c478bd9Sstevel@tonic-gate {
118*7c478bd9Sstevel@tonic-gate 	return (xdr_string(xdrs, objp, NFS_MAXPATHLEN));
119*7c478bd9Sstevel@tonic-gate }
120*7c478bd9Sstevel@tonic-gate 
121*7c478bd9Sstevel@tonic-gate bool_t
xdr_attrstat(XDR * xdrs,attrstat * objp)122*7c478bd9Sstevel@tonic-gate xdr_attrstat(XDR *xdrs, attrstat *objp)
123*7c478bd9Sstevel@tonic-gate {
124*7c478bd9Sstevel@tonic-gate 	if (!xdr_b_nfsstat(xdrs, &objp->status)) {
125*7c478bd9Sstevel@tonic-gate 		return (FALSE);
126*7c478bd9Sstevel@tonic-gate 	}
127*7c478bd9Sstevel@tonic-gate 	if (objp->status == NFS_OK) {
128*7c478bd9Sstevel@tonic-gate 		return (xdr_b_fattr(xdrs, &objp->attrstat_u.attributes));
129*7c478bd9Sstevel@tonic-gate 	}
130*7c478bd9Sstevel@tonic-gate 	return (TRUE);
131*7c478bd9Sstevel@tonic-gate }
132*7c478bd9Sstevel@tonic-gate 
133*7c478bd9Sstevel@tonic-gate bool_t
xdr_diropargs(XDR * xdrs,diropargs * objp)134*7c478bd9Sstevel@tonic-gate xdr_diropargs(XDR *xdrs, diropargs *objp)
135*7c478bd9Sstevel@tonic-gate {
136*7c478bd9Sstevel@tonic-gate 	if (!xdr_nfs_fh(xdrs, &objp->dir)) {
137*7c478bd9Sstevel@tonic-gate 		return (FALSE);
138*7c478bd9Sstevel@tonic-gate 	}
139*7c478bd9Sstevel@tonic-gate 	return (xdr_b_filename(xdrs, &objp->name));
140*7c478bd9Sstevel@tonic-gate }
141*7c478bd9Sstevel@tonic-gate 
142*7c478bd9Sstevel@tonic-gate static bool_t
xdr_b_diropokres(XDR * xdrs,diropokres * objp)143*7c478bd9Sstevel@tonic-gate xdr_b_diropokres(XDR *xdrs, diropokres *objp)
144*7c478bd9Sstevel@tonic-gate {
145*7c478bd9Sstevel@tonic-gate 	if (!xdr_nfs_fh(xdrs, &objp->file)) {
146*7c478bd9Sstevel@tonic-gate 		return (FALSE);
147*7c478bd9Sstevel@tonic-gate 	}
148*7c478bd9Sstevel@tonic-gate 	return (xdr_b_fattr(xdrs, &objp->attributes));
149*7c478bd9Sstevel@tonic-gate }
150*7c478bd9Sstevel@tonic-gate 
151*7c478bd9Sstevel@tonic-gate bool_t
xdr_diropres(XDR * xdrs,diropres * objp)152*7c478bd9Sstevel@tonic-gate xdr_diropres(XDR *xdrs, diropres *objp)
153*7c478bd9Sstevel@tonic-gate {
154*7c478bd9Sstevel@tonic-gate 	if (!xdr_b_nfsstat(xdrs, &objp->status)) {
155*7c478bd9Sstevel@tonic-gate 		return (FALSE);
156*7c478bd9Sstevel@tonic-gate 	}
157*7c478bd9Sstevel@tonic-gate 	if (objp->status == NFS_OK) {
158*7c478bd9Sstevel@tonic-gate 		return (xdr_b_diropokres(xdrs, &objp->diropres_u.diropres));
159*7c478bd9Sstevel@tonic-gate 	}
160*7c478bd9Sstevel@tonic-gate 	return (TRUE);
161*7c478bd9Sstevel@tonic-gate }
162*7c478bd9Sstevel@tonic-gate 
163*7c478bd9Sstevel@tonic-gate bool_t
xdr_readlinkres(XDR * xdrs,readlinkres * objp)164*7c478bd9Sstevel@tonic-gate xdr_readlinkres(XDR *xdrs, readlinkres *objp)
165*7c478bd9Sstevel@tonic-gate {
166*7c478bd9Sstevel@tonic-gate 	if (!xdr_b_nfsstat(xdrs, &objp->status)) {
167*7c478bd9Sstevel@tonic-gate 		return (FALSE);
168*7c478bd9Sstevel@tonic-gate 	}
169*7c478bd9Sstevel@tonic-gate 	if (objp->status == NFS_OK) {
170*7c478bd9Sstevel@tonic-gate 		return (xdr_b_nfspath(xdrs, &objp->readlinkres_u.data));
171*7c478bd9Sstevel@tonic-gate 	}
172*7c478bd9Sstevel@tonic-gate 	return (TRUE);
173*7c478bd9Sstevel@tonic-gate }
174*7c478bd9Sstevel@tonic-gate 
175*7c478bd9Sstevel@tonic-gate bool_t
xdr_readargs(XDR * xdrs,readargs * objp)176*7c478bd9Sstevel@tonic-gate xdr_readargs(XDR *xdrs, readargs *objp)
177*7c478bd9Sstevel@tonic-gate {
178*7c478bd9Sstevel@tonic-gate 	if (!xdr_nfs_fh(xdrs, &objp->file)) {
179*7c478bd9Sstevel@tonic-gate 		return (FALSE);
180*7c478bd9Sstevel@tonic-gate 	}
181*7c478bd9Sstevel@tonic-gate 	if (!xdr_u_int(xdrs, &objp->offset)) {
182*7c478bd9Sstevel@tonic-gate 		return (FALSE);
183*7c478bd9Sstevel@tonic-gate 	}
184*7c478bd9Sstevel@tonic-gate 	if (!xdr_u_int(xdrs, &objp->count)) {
185*7c478bd9Sstevel@tonic-gate 		return (FALSE);
186*7c478bd9Sstevel@tonic-gate 	}
187*7c478bd9Sstevel@tonic-gate 	return (xdr_u_int(xdrs, &objp->totalcount));
188*7c478bd9Sstevel@tonic-gate }
189*7c478bd9Sstevel@tonic-gate 
190*7c478bd9Sstevel@tonic-gate static bool_t
xdr_b_readokres(XDR * xdrs,readokres * objp)191*7c478bd9Sstevel@tonic-gate xdr_b_readokres(XDR *xdrs, readokres *objp)
192*7c478bd9Sstevel@tonic-gate {
193*7c478bd9Sstevel@tonic-gate 	if (!xdr_b_fattr(xdrs, &objp->attributes)) {
194*7c478bd9Sstevel@tonic-gate 		return (FALSE);
195*7c478bd9Sstevel@tonic-gate 	}
196*7c478bd9Sstevel@tonic-gate 	return (xdr_bytes(xdrs, (char **)&objp->data.data_val,
197*7c478bd9Sstevel@tonic-gate 	    (uint_t *)&objp->data.data_len, NFS_MAXDATA));
198*7c478bd9Sstevel@tonic-gate }
199*7c478bd9Sstevel@tonic-gate 
200*7c478bd9Sstevel@tonic-gate bool_t
xdr_readres(XDR * xdrs,readres * objp)201*7c478bd9Sstevel@tonic-gate xdr_readres(XDR *xdrs, readres *objp)
202*7c478bd9Sstevel@tonic-gate {
203*7c478bd9Sstevel@tonic-gate 	if (!xdr_b_nfsstat(xdrs, &objp->status)) {
204*7c478bd9Sstevel@tonic-gate 		return (FALSE);
205*7c478bd9Sstevel@tonic-gate 	}
206*7c478bd9Sstevel@tonic-gate 	if (objp->status == NFS_OK) {
207*7c478bd9Sstevel@tonic-gate 		return (xdr_b_readokres(xdrs, &objp->readres_u.reply));
208*7c478bd9Sstevel@tonic-gate 	}
209*7c478bd9Sstevel@tonic-gate 	return (TRUE);
210*7c478bd9Sstevel@tonic-gate }
211*7c478bd9Sstevel@tonic-gate 
212*7c478bd9Sstevel@tonic-gate static bool_t
xdr_b_nfscookie(XDR * xdrs,nfscookie objp)213*7c478bd9Sstevel@tonic-gate xdr_b_nfscookie(XDR *xdrs, nfscookie objp)
214*7c478bd9Sstevel@tonic-gate {
215*7c478bd9Sstevel@tonic-gate 	return (xdr_opaque(xdrs, objp, NFS_COOKIESIZE));
216*7c478bd9Sstevel@tonic-gate }
217*7c478bd9Sstevel@tonic-gate 
218*7c478bd9Sstevel@tonic-gate bool_t
xdr_readdirargs(XDR * xdrs,readdirargs * objp)219*7c478bd9Sstevel@tonic-gate xdr_readdirargs(XDR *xdrs, readdirargs *objp)
220*7c478bd9Sstevel@tonic-gate {
221*7c478bd9Sstevel@tonic-gate 	if (!xdr_nfs_fh(xdrs, &objp->dir)) {
222*7c478bd9Sstevel@tonic-gate 		return (FALSE);
223*7c478bd9Sstevel@tonic-gate 	}
224*7c478bd9Sstevel@tonic-gate 	if (!xdr_b_nfscookie(xdrs, objp->cookie)) {
225*7c478bd9Sstevel@tonic-gate 		return (FALSE);
226*7c478bd9Sstevel@tonic-gate 	}
227*7c478bd9Sstevel@tonic-gate 	return (xdr_u_int(xdrs, &objp->count));
228*7c478bd9Sstevel@tonic-gate }
229*7c478bd9Sstevel@tonic-gate 
230*7c478bd9Sstevel@tonic-gate static bool_t
xdr_b_entry(XDR * xdrs,entry * objp)231*7c478bd9Sstevel@tonic-gate xdr_b_entry(XDR *xdrs, entry *objp)
232*7c478bd9Sstevel@tonic-gate {
233*7c478bd9Sstevel@tonic-gate 	if (!xdr_u_int(xdrs, &objp->fileid)) {
234*7c478bd9Sstevel@tonic-gate 		return (FALSE);
235*7c478bd9Sstevel@tonic-gate 	}
236*7c478bd9Sstevel@tonic-gate 	if (!xdr_b_filename(xdrs, &objp->name)) {
237*7c478bd9Sstevel@tonic-gate 		return (FALSE);
238*7c478bd9Sstevel@tonic-gate 	}
239*7c478bd9Sstevel@tonic-gate 	if (!xdr_b_nfscookie(xdrs, objp->cookie)) {
240*7c478bd9Sstevel@tonic-gate 		return (FALSE);
241*7c478bd9Sstevel@tonic-gate 	}
242*7c478bd9Sstevel@tonic-gate 	return (xdr_pointer(xdrs, (char **)&objp->nextentry, sizeof (entry),
243*7c478bd9Sstevel@tonic-gate 						(xdrproc_t)xdr_b_entry));
244*7c478bd9Sstevel@tonic-gate }
245*7c478bd9Sstevel@tonic-gate 
246*7c478bd9Sstevel@tonic-gate static bool_t
xdr_b_dirlist(XDR * xdrs,dirlist * objp)247*7c478bd9Sstevel@tonic-gate xdr_b_dirlist(XDR *xdrs, dirlist *objp)
248*7c478bd9Sstevel@tonic-gate {
249*7c478bd9Sstevel@tonic-gate 	if (!xdr_pointer(xdrs, (char **)&objp->entries, sizeof (entry),
250*7c478bd9Sstevel@tonic-gate 	    (xdrproc_t)xdr_b_entry)) {
251*7c478bd9Sstevel@tonic-gate 		return (FALSE);
252*7c478bd9Sstevel@tonic-gate 	}
253*7c478bd9Sstevel@tonic-gate 	return (xdr_bool(xdrs, &objp->eof));
254*7c478bd9Sstevel@tonic-gate }
255*7c478bd9Sstevel@tonic-gate 
256*7c478bd9Sstevel@tonic-gate bool_t
xdr_readdirres(XDR * xdrs,readdirres * objp)257*7c478bd9Sstevel@tonic-gate xdr_readdirres(XDR *xdrs, readdirres *objp)
258*7c478bd9Sstevel@tonic-gate {
259*7c478bd9Sstevel@tonic-gate 	if (!xdr_b_nfsstat(xdrs, &objp->status)) {
260*7c478bd9Sstevel@tonic-gate 		return (FALSE);
261*7c478bd9Sstevel@tonic-gate 	}
262*7c478bd9Sstevel@tonic-gate 	if (objp->status == NFS_OK) {
263*7c478bd9Sstevel@tonic-gate 		return (xdr_b_dirlist(xdrs, &objp->readdirres_u.reply));
264*7c478bd9Sstevel@tonic-gate 	}
265*7c478bd9Sstevel@tonic-gate 	return (TRUE);
266*7c478bd9Sstevel@tonic-gate }
267