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#!/bin/sh
#
# find-execstack utility
# Copyright (c) 2007 Steve Grubb. ALL RIGHTS RESERVED.
# sgrubb@redhat.com
#
# This software may be freely redistributed under the terms of the GNU
# public license.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# This program looks for executable stacks
#
libdirs="/lib /lib64 /usr/lib /usr/lib64"
progdirs="/bin /sbin /usr/bin /usr/sbin /usr/libexec"
FOUND=0
# First param is which list to use, second is search pattern
scan () {
if [ "$1" = "1" ] ; then
dirs=$libdirs
elif [ "$1" = "2" ] ; then
dirs=$progdirs
fi
for d in $dirs ; do
if [ ! -d $d ] ; then
continue
fi
files=`/usr/bin/find $d -name "$2" -type f 2>/dev/null`
for f in $files
do
FOUND_ONE=0
stacks=`/usr/bin/eu-readelf -l $f 2>/dev/null | grep STACK`
if [ x"$stacks" != "x" ] ; then
perms=`echo $stacks | /bin/awk '{ print $7 }'`
if [ x"$perms" != x -a "$perms" != "RW" ] ; then
FOUND_ONE=1
fi
fi
old_stacks=`echo $stacks | /bin/grep -v GNU_STACK`
if [ x"$old_stacks" != "x" ] ; then
FOUND_ONE=1
fi
heaps=`/usr/bin/eu-readelf -l $f 2>/dev/null | grep GNU_HEAP`
if [ x"$heaps" != "x" ] ; then
FOUND_ONE=1
fi
if [ $FOUND_ONE = 1 ] ; then
printf "%-42s" $f
rpm -qf --queryformat "%{SOURCERPM}" $f
echo
FOUND=1
fi
done
done
}
scan 1 '*.so'
scan 2 '*'
if [ $FOUND -eq 0 ] ; then
# Nothing to report, just exit
echo "No problems found" 1>&2
exit 0
fi
exit 1
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