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# 29# Copyright (c) 2012 by Delphix. All rights reserved. 30# 31 32############################################################################ 33# ASSERTION: 34# 35# To verify egid of current process 36# 37# 38# SECTION: Scripting 39# 40############################################################################ 41 42if [ $# != 1 ]; then 43 echo expected one argument: '<'dtrace-path'>' 44 exit 2 45fi 46 47dtrace=$1 48bname=`/bin/basename $0` 49dfilename=/var/tmp/$bname.$$.d 50 51## Create .d file 52########################################################################## 53cat > $dfilename <<-EOF 54#!$dtrace -qs 55 56 57BEGIN 58/\$egid != \$1/ 59{ 60 exit(1); 61} 62 63BEGIN 64/\$egid == \$1/ 65{ 66 exit(0); 67} 68EOF 69########################################################################## 70 71 72#chmod 555 the .d file 73 74chmod 555 $dfilename >/dev/null 2>&1 75if [ $? -ne 0 ]; then 76 print -u2 "chmod $dfilename failed" 77 exit 1 78fi 79 80#Get the groupid of the calling process using ps 81 82groupid=`ps -o pid,gid | grep "$$ " | awk '{print $2}' 2>/dev/null` 83if [ $? -ne 0 ]; then 84 print -u2 "unable to get uid of the current process with pid = $$" 85 exit 1 86fi 87 88#Pass groupid as argument to .d file 89$dfilename $groupid >/dev/null 2>&1 90 91if [ $? -ne 0 ]; then 92 print -u2 "Error in executing $dfilename" 93 exit 1 94fi 95 96#Cleanup leftovers 97 98/usr/bin/rm -f $dfilename 99exit 0 100