1#!/bin/ksh -p 2# 3# CDDL HEADER START 4# 5# The contents of this file are subject to the terms of the 6# Common Development and Distribution License (the "License"). 7# You may not use this file except in compliance 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# 24# Copyright 2006 Sun Microsystems, Inc. All rights reserved. 25# Use is subject to license terms. 26# 27 28#ident "%Z%%M% %I% %E% SMI" 29 30############################################################################ 31# ASSERTION: 32# 33# To verify egid of current process 34# 35# 36# SECTION: Scripting 37# 38############################################################################ 39 40if [ $# != 1 ]; then 41 echo expected one argument: '<'dtrace-path'>' 42 exit 2 43fi 44 45dtrace=$1 46bname=`/bin/basename $0` 47dfilename=/var/tmp/$bname.$$.d 48 49## Create .d file 50########################################################################## 51cat > $dfilename <<-EOF 52#!$dtrace -qs 53 54 55BEGIN 56/\$egid != \$1/ 57{ 58 exit(1); 59} 60 61BEGIN 62/\$egid == \$1/ 63{ 64 exit(0); 65} 66EOF 67########################################################################## 68 69 70#chmod 555 the .d file 71 72chmod 555 $dfilename >/dev/null 2>&1 73if [ &? -ne 0 ]; then 74 print -u2 "chmod $dfilename failed" 75 exit 1 76fi 77 78#Get the groupid of the calling process using ps 79 80groupid=`ps -o pid,gid | grep "$$ " | awk '{print $2}' 2>/dev/null` 81if [ $? -ne 0 ]; then 82 print -u2 "unable to get uid of the current process with pid = $$" 83 exit 1 84fi 85 86#Pass groupid as argument to .d file 87$dfilename $groupid >/dev/null 2>&1 88 89if [ $? -ne 0 ]; then 90 print -u2 "Error in executing $dfilename" 91 exit 1 92fi 93 94#Cleanup leftovers 95 96/usr/bin/rm -f $dfilename 97exit 0 98