tst.egid.ksh revision 2633:71bab08d24b2 
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
40bname=`/bin/basename $0`
41dfilename=/var/tmp/$bname.$$.d
42
43## Create .d file
44##########################################################################
45cat > $dfilename <<-EOF
46#!/usr/sbin/dtrace -qs
47
48
49BEGIN
50/\$egid != \$1/
51{
52	exit(1);
53}
54
55BEGIN
56/\$egid == \$1/
57{
58	exit(0);
59}
60EOF
61##########################################################################
62
63
64#chmod 555 the .d file
65
66chmod 555 $dfilename >/dev/null 2>&1
67if [ &? -ne 0 ]; then
68	print -u2 "chmod $dfilename failed"
69	exit 1
70fi
71
72#Get the groupid of the calling process using ps
73
74groupid=`ps -o pid,gid | grep "$$ " | awk '{print $2}' 2>/dev/null`
75if [ $? -ne 0 ]; then
76	print -u2 "unable to get uid of the current process with pid = $$"
77	exit 1
78fi
79
80#Pass groupid as argument to .d file
81$dfilename $groupid >/dev/null 2>&1
82if [ $? -ne 0 ]; then
83	print -u2 "Error in executing $dfilename"
84	exit 1
85fi
86
87#Cleanup leftovers
88
89/usr/bin/rm -f $dfilename
90exit 0
91