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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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "libproc.h"
#include <alloca.h>
#include <string.h>
/*
* Convenience wrapper to set the cred attributes of a victim process
* to a set of new values. Caller must supply a prochandle and a
* fully populated prcred structure.
*/
int
Psetcred(struct ps_prochandle *Pr, const prcred_t *credp)
{
int ngrp;
int ctlsize;
struct {
long cmd;
prcred_t cred;
} *ctlp;
if (Pr == NULL || credp == NULL)
return (-1);
ngrp = credp->pr_ngroups;
ctlsize = sizeof (prcred_t) + (ngrp - 1) * sizeof (gid_t);
ctlp = alloca(ctlsize + sizeof (long));
ctlp->cmd = PCSCREDX;
(void) memcpy(&ctlp->cred, credp, ctlsize);
if (write(Pctlfd(Pr), ctlp, sizeof (long) + ctlsize) < 0)
return (-1);
return (0);
}
/*
* Convenience wrapper to set the zoneid attribute of a victim process to a new
* value (only to and from GLOBAL_ZONEID makes sense). Caller must supply a
* prochandle and a valid zoneid.
*/
int
Psetzoneid(struct ps_prochandle *Pr, zoneid_t zoneid)
{
struct {
long cmd;
long zoneid;
} ctl;
if (Pr == NULL)
return (-1);
ctl.zoneid = zoneid;
ctl.cmd = PCSZONE;
if (write(Pctlfd(Pr), &ctl, sizeof (ctl)) < 0)
return (-1);
return (0);
}
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