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 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 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