1178476Sjb#!/bin/ksh -p
2178476Sjb#
3178476Sjb# CDDL HEADER START
4178476Sjb#
5178476Sjb# The contents of this file are subject to the terms of the
6178476Sjb# Common Development and Distribution License (the "License").
7178476Sjb# You may not use this file except in compliance with the License.
8178476Sjb#
9178476Sjb# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10178476Sjb# or http://www.opensolaris.org/os/licensing.
11178476Sjb# See the License for the specific language governing permissions
12178476Sjb# and limitations under the License.
13178476Sjb#
14178476Sjb# When distributing Covered Code, include this CDDL HEADER in each
15178476Sjb# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16178476Sjb# If applicable, add the following below this CDDL HEADER, with the
17178476Sjb# fields enclosed by brackets "[]" replaced with your own identifying
18178476Sjb# information: Portions Copyright [yyyy] [name of copyright owner]
19178476Sjb#
20178476Sjb# CDDL HEADER END
21178476Sjb#
22178476Sjb
23178476Sjb#
24178476Sjb# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
25178476Sjb# Use is subject to license terms.
26178476Sjb#
27178476Sjb
28178476Sjb#ident	"%Z%%M%	%I%	%E% SMI"
29178476Sjb
30178476Sjb############################################################################
31178476Sjb# ASSERTION:
32178476Sjb#
33178476Sjb#	To verify egid of current process
34178476Sjb#
35178476Sjb#
36178476Sjb# SECTION: Scripting
37178476Sjb#
38178476Sjb############################################################################
39178476Sjb
40178476Sjbif [ $# != 1 ]; then
41178476Sjb	echo expected one argument: '<'dtrace-path'>'
42178476Sjb	exit 2
43178476Sjbfi
44178476Sjb
45178476Sjbdtrace=$1
46211545Srpaulobname=`/usr/bin/basename $0`
47178476Sjbdfilename=/var/tmp/$bname.$$.d
48178476Sjb
49178476Sjb## Create .d file
50178476Sjb##########################################################################
51178476Sjbcat > $dfilename <<-EOF
52178476Sjb#!$dtrace -qs
53178476Sjb
54178476Sjb
55178476SjbBEGIN
56178476Sjb/\$egid != \$1/
57178476Sjb{
58178476Sjb	exit(1);
59178476Sjb}
60178476Sjb
61178476SjbBEGIN
62178476Sjb/\$egid == \$1/
63178476Sjb{
64178476Sjb	exit(0);
65178476Sjb}
66178476SjbEOF
67178476Sjb##########################################################################
68178476Sjb
69178476Sjb
70178476Sjb#chmod 555 the .d file
71178476Sjb
72178476Sjbchmod 555 $dfilename >/dev/null 2>&1
73211545Srpauloif [ $? -ne 0 ]; then
74178476Sjb	print -u2 "chmod $dfilename failed"
75178476Sjb	exit 1
76178476Sjbfi
77178476Sjb
78178476Sjb#Get the groupid of the calling process using ps
79178476Sjb
80211545Srpaulogroupid=`ps -o pid,pgid | grep "$$ " | awk '{print $2}' 2>/dev/null`
81178476Sjbif [ $? -ne 0 ]; then
82178476Sjb	print -u2 "unable to get uid of the current process with pid = $$"
83178476Sjb	exit 1
84178476Sjbfi
85178476Sjb
86178476Sjb#Pass groupid as argument to .d file
87178476Sjb$dfilename $groupid >/dev/null 2>&1
88178476Sjb
89178476Sjbif [ $? -ne 0 ]; then
90178476Sjb	print -u2 "Error in executing $dfilename"
91178476Sjb	exit 1
92178476Sjbfi
93178476Sjb
94178476Sjb#Cleanup leftovers
95178476Sjb
96211545Srpaulo/bin/rm -f $dfilename
97178476Sjbexit 0
98