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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2009 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.
*/
/*
* authunix_prot.c
* XDR for UNIX style authentication parameters for RPC
*/
#include <sys/param.h>
#include <sys/time.h>
#include <sys/cred.h>
#include <sys/proc.h>
#include <sys/user.h>
#include <sys/utsname.h>
#include <rpc/types.h>
#include <rpc/rpc_sztypes.h>
#include <rpc/xdr.h>
#include <rpc/auth.h>
#include <rpc/auth_unix.h>
#include <rpc/clnt.h>
/*
* XDR for unix authentication parameters.
*/
bool_t
xdr_authunix_parms(XDR *xdrs, struct authunix_parms *p)
{
if (xdr_u_int(xdrs, &p->aup_time) &&
xdr_string(xdrs, &p->aup_machname, MAX_MACHINE_NAME) &&
xdr_int(xdrs, (int *)&(p->aup_uid)) &&
xdr_int(xdrs, (int *)&(p->aup_gid)) &&
xdr_array(xdrs, (caddr_t *)&(p->aup_gids),
&(p->aup_len), NGRPS, sizeof (int),
(xdrproc_t)xdr_int)) {
return (TRUE);
}
return (FALSE);
}
/*
* XDR user id types (uid_t)
*/
bool_t
xdr_uid_t(XDR *xdrs, uid_t *ip)
{
#ifdef lint
(void) (xdr_short(xdrs, (short *)ip));
return (xdr_int32(xdrs, (int32_t *)ip));
#else
if (sizeof (uid_t) == sizeof (int32_t)) {
return (xdr_int(xdrs, (int32_t *)ip));
} else {
return (xdr_short(xdrs, (short *)ip));
}
#endif
}
/*
* XDR group id types (gid_t)
*/
bool_t
xdr_gid_t(XDR *xdrs, gid_t *ip)
{
#ifdef lint
(void) (xdr_short(xdrs, (short *)ip));
return (xdr_int32(xdrs, (int32_t *)ip));
#else
if (sizeof (gid_t) == sizeof (int32_t)) {
return (xdr_int32(xdrs, (int32_t *)ip));
} else {
return (xdr_short(xdrs, (short *)ip));
}
#endif
}
/*
* XDR kernel unix auth parameters.
* Goes out of the u struct directly.
* NOTE: this is an XDR_ENCODE only routine.
*/
bool_t
xdr_authkern(XDR *xdrs)
{
uid_t uid;
gid_t gid;
uint_t len;
caddr_t groups;
char *name = uts_nodename();
struct cred *cr;
time_t now;
if (xdrs->x_op != XDR_ENCODE)
return (FALSE);
cr = CRED();
uid = crgetuid(cr);
gid = crgetgid(cr);
len = crgetngroups(cr);
if (len > NGRPS)
len = NGRPS;
groups = (caddr_t)crgetgroups(cr);
now = gethrestime_sec();
if (xdr_uint32(xdrs, (uint32_t *)&now) &&
xdr_string(xdrs, &name, MAX_MACHINE_NAME) &&
xdr_uid_t(xdrs, &uid) &&
xdr_gid_t(xdrs, &gid) &&
xdr_array(xdrs, &groups, &len, NGRPS, sizeof (int),
(xdrproc_t)xdr_int))
return (TRUE);
return (FALSE);
}
/*
* XDR loopback unix auth parameters.
* NOTE: this is an XDR_ENCODE only routine.
*/
bool_t
xdr_authloopback(XDR *xdrs)
{
uid_t uid;
gid_t gid;
int len;
caddr_t groups;
char *name = uts_nodename();
struct cred *cr;
time_t now;
if (xdrs->x_op != XDR_ENCODE)
return (FALSE);
cr = CRED();
uid = crgetuid(cr);
gid = crgetgid(cr);
len = crgetngroups(cr);
groups = (caddr_t)crgetgroups(cr);
now = gethrestime_sec();
if (xdr_uint32(xdrs, (uint32_t *)&now) &&
xdr_string(xdrs, &name, MAX_MACHINE_NAME) &&
xdr_uid_t(xdrs, &uid) &&
xdr_gid_t(xdrs, &gid) &&
xdr_array(xdrs, &groups, (uint_t *)&len, NGRPS_LOOPBACK,
sizeof (int), (xdrproc_t)xdr_int))
return (TRUE);
return (FALSE);
}
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