1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include "libproc.h" 30 #include <alloca.h> 31 #include <string.h> 32 33 /* 34 * Convenience wrapper to set the cred attributes of a victim process 35 * to a set of new values. Caller must supply a prochandle and a 36 * fully populated prcred structure. 37 */ 38 int 39 Psetcred(struct ps_prochandle *Pr, const prcred_t *credp) 40 { 41 int ngrp; 42 int ctlsize; 43 struct { 44 long cmd; 45 prcred_t cred; 46 } *ctlp; 47 48 if (Pr == NULL || credp == NULL) 49 return (-1); 50 51 ngrp = credp->pr_ngroups; 52 ctlsize = sizeof (prcred_t) + (ngrp - 1) * sizeof (gid_t); 53 ctlp = alloca(ctlsize + sizeof (long)); 54 55 ctlp->cmd = PCSCREDX; 56 (void) memcpy(&ctlp->cred, credp, ctlsize); 57 58 if (write(Pctlfd(Pr), ctlp, sizeof (long) + ctlsize) < 0) 59 return (-1); 60 61 return (0); 62 } 63 64 /* 65 * Convenience wrapper to set the zoneid attribute of a victim process to a new 66 * value (only to and from GLOBAL_ZONEID makes sense). Caller must supply a 67 * prochandle and a valid zoneid. 68 */ 69 int 70 Psetzoneid(struct ps_prochandle *Pr, zoneid_t zoneid) 71 { 72 struct { 73 long cmd; 74 long zoneid; 75 } ctl; 76 77 if (Pr == NULL) 78 return (-1); 79 80 ctl.zoneid = zoneid; 81 ctl.cmd = PCSZONE; 82 83 if (write(Pctlfd(Pr), &ctl, sizeof (ctl)) < 0) 84 return (-1); 85 return (0); 86 } 87