NetBSD/usr.sbin/amd/rpcx/mount_xdr.c

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/*
* Copyright (c) 1989 Jan-Simon Pendry
* Copyright (c) 1989 Imperial College of Science, Technology & Medicine
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Jan-Simon Pendry at Imperial College, London.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
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* from: @(#)mount_xdr.c 8.1 (Berkeley) 6/6/93
* $Id: mount_xdr.c,v 1.3 1996/02/19 20:58:00 christos Exp $
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*
*/
#include "am.h"
#include "mount.h"
#if NFS_PROTOCOL_VERSION < 3
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bool_t
xdr_fhandle(xdrs, objp)
XDR *xdrs;
fhandle objp;
{
if (!xdr_opaque(xdrs, objp, FHSIZE)) {
return (FALSE);
}
return (TRUE);
}
bool_t
xdr_fhstatus(xdrs, objp)
XDR *xdrs;
fhstatus *objp;
{
if (!xdr_u_int(xdrs, &objp->fhs_stat)) {
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return (FALSE);
}
switch (objp->fhs_stat) {
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case 0:
if (!xdr_fhandle(xdrs, objp->fhs_fhandle)) {
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return (FALSE);
}
break;
}
return (TRUE);
}
#else
#include <nfs/rpcv2.h>
int
xdr_fhstatus(xdrsp, objp)
XDR *xdrsp;
fhstatus *objp;
{
register int i;
long auth, authcnt, authfnd = 0;
if (!xdr_u_long(xdrsp, &objp->fhs_stat))
return (0);
if (objp->fhs_stat)
return (1);
switch (objp->fhs_vers) {
case 1:
objp->fhs_size = NFSX_V2FH;
return (xdr_opaque(xdrsp, (caddr_t)objp->fhs_fhandle, NFSX_V2FH));
case 3:
if (!xdr_long(xdrsp, &objp->fhs_size))
return (0);
if (objp->fhs_size <= 0 || objp->fhs_size > NFSX_V3FHMAX)
return (0);
if (!xdr_opaque(xdrsp, (caddr_t)objp->fhs_fhandle, objp->fhs_size))
return (0);
if (!xdr_long(xdrsp, &authcnt))
return (0);
for (i = 0; i < authcnt; i++) {
if (!xdr_long(xdrsp, &auth))
return (0);
if (auth == objp->fhs_auth)
authfnd++;
}
/*
* Some servers, such as DEC's OSF/1 return a nil authenticator
* list to indicate RPCAUTH_UNIX.
*/
if (!authfnd && (authcnt > 0 || objp->fhs_auth != RPCAUTH_UNIX))
objp->fhs_stat = EAUTH;
return (1);
default:
return (0);
};
}
#endif
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bool_t
xdr_dirpath(xdrs, objp)
XDR *xdrs;
dirpath *objp;
{
if (!xdr_string(xdrs, objp, MNTPATHLEN)) {
return (FALSE);
}
return (TRUE);
}
bool_t
xdr_name(xdrs, objp)
XDR *xdrs;
name *objp;
{
if (!xdr_string(xdrs, objp, MNTNAMLEN)) {
return (FALSE);
}
return (TRUE);
}
bool_t
xdr_mountlist(xdrs, objp)
XDR *xdrs;
mountlist *objp;
{
if (!xdr_pointer(xdrs, (char **)objp, sizeof(struct mountbody), xdr_mountbody)) {
return (FALSE);
}
return (TRUE);
}
bool_t
xdr_mountbody(xdrs, objp)
XDR *xdrs;
mountbody *objp;
{
if (!xdr_name(xdrs, &objp->ml_hostname)) {
return (FALSE);
}
if (!xdr_dirpath(xdrs, &objp->ml_directory)) {
return (FALSE);
}
if (!xdr_mountlist(xdrs, &objp->ml_next)) {
return (FALSE);
}
return (TRUE);
}
bool_t
xdr_groups(xdrs, objp)
XDR *xdrs;
groups *objp;
{
if (!xdr_pointer(xdrs, (char **)objp, sizeof(struct groupnode), xdr_groupnode)) {
return (FALSE);
}
return (TRUE);
}
bool_t
xdr_groupnode(xdrs, objp)
XDR *xdrs;
groupnode *objp;
{
if (!xdr_name(xdrs, &objp->gr_name)) {
return (FALSE);
}
if (!xdr_groups(xdrs, &objp->gr_next)) {
return (FALSE);
}
return (TRUE);
}
bool_t
xdr_exports(xdrs, objp)
XDR *xdrs;
exports *objp;
{
if (!xdr_pointer(xdrs, (char **)objp, sizeof(struct exportnode), xdr_exportnode)) {
return (FALSE);
}
return (TRUE);
}
bool_t
xdr_exportnode(xdrs, objp)
XDR *xdrs;
exportnode *objp;
{
if (!xdr_dirpath(xdrs, &objp->ex_dir)) {
return (FALSE);
}
if (!xdr_groups(xdrs, &objp->ex_groups)) {
return (FALSE);
}
if (!xdr_exports(xdrs, &objp->ex_next)) {
return (FALSE);
}
return (TRUE);
}