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 2004 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 #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate #include "libproc.h"
30*0Sstevel@tonic-gate #include <alloca.h>
31*0Sstevel@tonic-gate #include <string.h>
32*0Sstevel@tonic-gate
33*0Sstevel@tonic-gate /*
34*0Sstevel@tonic-gate * Convenience wrapper to set the cred attributes of a victim process
35*0Sstevel@tonic-gate * to a set of new values. Caller must supply a prochandle and a
36*0Sstevel@tonic-gate * fully populated prcred structure.
37*0Sstevel@tonic-gate */
38*0Sstevel@tonic-gate int
Psetcred(struct ps_prochandle * Pr,const prcred_t * credp)39*0Sstevel@tonic-gate Psetcred(struct ps_prochandle *Pr, const prcred_t *credp)
40*0Sstevel@tonic-gate {
41*0Sstevel@tonic-gate int ngrp;
42*0Sstevel@tonic-gate int ctlsize;
43*0Sstevel@tonic-gate struct {
44*0Sstevel@tonic-gate long cmd;
45*0Sstevel@tonic-gate prcred_t cred;
46*0Sstevel@tonic-gate } *ctlp;
47*0Sstevel@tonic-gate
48*0Sstevel@tonic-gate if (Pr == NULL || credp == NULL)
49*0Sstevel@tonic-gate return (-1);
50*0Sstevel@tonic-gate
51*0Sstevel@tonic-gate ngrp = credp->pr_ngroups;
52*0Sstevel@tonic-gate ctlsize = sizeof (prcred_t) + (ngrp - 1) * sizeof (gid_t);
53*0Sstevel@tonic-gate ctlp = alloca(ctlsize + sizeof (long));
54*0Sstevel@tonic-gate
55*0Sstevel@tonic-gate ctlp->cmd = PCSCREDX;
56*0Sstevel@tonic-gate (void) memcpy(&ctlp->cred, credp, ctlsize);
57*0Sstevel@tonic-gate
58*0Sstevel@tonic-gate if (write(Pctlfd(Pr), ctlp, sizeof (long) + ctlsize) < 0)
59*0Sstevel@tonic-gate return (-1);
60*0Sstevel@tonic-gate
61*0Sstevel@tonic-gate return (0);
62*0Sstevel@tonic-gate }
63*0Sstevel@tonic-gate
64*0Sstevel@tonic-gate /*
65*0Sstevel@tonic-gate * Convenience wrapper to set the zoneid attribute of a victim process to a new
66*0Sstevel@tonic-gate * value (only to and from GLOBAL_ZONEID makes sense). Caller must supply a
67*0Sstevel@tonic-gate * prochandle and a valid zoneid.
68*0Sstevel@tonic-gate */
69*0Sstevel@tonic-gate int
Psetzoneid(struct ps_prochandle * Pr,zoneid_t zoneid)70*0Sstevel@tonic-gate Psetzoneid(struct ps_prochandle *Pr, zoneid_t zoneid)
71*0Sstevel@tonic-gate {
72*0Sstevel@tonic-gate struct {
73*0Sstevel@tonic-gate long cmd;
74*0Sstevel@tonic-gate long zoneid;
75*0Sstevel@tonic-gate } ctl;
76*0Sstevel@tonic-gate
77*0Sstevel@tonic-gate if (Pr == NULL)
78*0Sstevel@tonic-gate return (-1);
79*0Sstevel@tonic-gate
80*0Sstevel@tonic-gate ctl.zoneid = zoneid;
81*0Sstevel@tonic-gate ctl.cmd = PCSZONE;
82*0Sstevel@tonic-gate
83*0Sstevel@tonic-gate if (write(Pctlfd(Pr), &ctl, sizeof (ctl)) < 0)
84*0Sstevel@tonic-gate return (-1);
85*0Sstevel@tonic-gate return (0);
86*0Sstevel@tonic-gate }
87