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