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authorD. Johnson <fenris02@fedoraproject.org>2013-06-04 01:15:08 -0500
committerD. Johnson <fenris02@fedoraproject.org>2013-06-04 01:15:08 -0500
commita4453f25e148bd4a058bbfc744f0d4a22b83fc06 (patch)
tree608fffd4ee6fc8a11d9b03d95ff9db7805bc5e1e /rpm-chksec.sh
parent70b3a3ca593aa68fe510f25e1dbb4e7d1f3749d1 (diff)
downloadcleanup-a4453f25e148bd4a058bbfc744f0d4a22b83fc06.tar.gz
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Add two files for reference:
[17-Nov-2011] 1.5 http://www.trapkit.de/tools/checksec.html [07-Jan-2013] 0.5.2 http://people.redhat.com/sgrubb/files/rpm-chksec
Diffstat (limited to 'rpm-chksec.sh')
-rwxr-xr-xrpm-chksec.sh278
1 files changed, 278 insertions, 0 deletions
diff --git a/rpm-chksec.sh b/rpm-chksec.sh
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+#!/bin/sh
+# rpm-chksec
+#
+# Copyright (c) 2011-2013 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.
+#
+# Given an rpm, it will look at each file to check that its compiled with
+# the intended flags to make it more secure. Things that are green are OK.
+# Anything in yellow could be better but is passable. Anything in red needs
+# attention.
+#
+# If the --all option is given, it will generate a list of rpms and then
+# summarize the rpm's state. For yes, then all files are in the expected
+# state. Just one file not compiled with the right flags can turn the
+# answer to no. Re-run passing that package (instead of --all) for the details.
+#
+# To save to file: ./rpm-chksec | sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g" | tee output.txt
+
+VERSION="0.5.2"
+
+usage () {
+ echo "rpm-chksec [--version|--all|<rpmname>...]"
+ if [ ! -x /usr/bin/filecap ] ; then
+ echo "You need to install libcap-ng-utils to test capabilities"
+ fi
+ if [ $EUID != 0 ] ; then
+ echo "You might need to be root to read some files"
+ fi
+ exit 0
+}
+
+if [ "$1" = "--help" -o $# -eq 0 ] ; then
+ usage
+fi
+if [ "$1" = "--version" ] ; then
+ echo "rpm-chksec $VERSION"
+ exit 0
+fi
+if [ "$1" = "--all" ] ; then
+ MODE="all"
+else
+ MODE="single"
+fi
+
+do_one () {
+if ! rpm -q $1 >/dev/null 2>&1 ; then
+ if [ "$MODE" = "single" ] ; then
+ echo "$1 is not installed"
+ exit 1
+ else
+ echo "not installed"
+ return
+ fi
+fi
+files=`rpm -ql $1`
+
+# Look for daemons, need this for later...
+DAEMON=""
+for f in $files
+do
+ if [ ! -f "$f" ] ; then
+ continue
+ fi
+ if [ `echo "$f" | grep '\/etc\/rc.d\/init.d'` ] ; then
+ n=`basename "$f"`
+ t=`which "$n" 2>/dev/null`
+ if [ x"$t" != "x" ] ; then
+ DAEMON="$DAEMON $t"
+ continue
+ fi
+ t=`which "$n"d 2>/dev/null`
+ if [ x"$t" != "x" ] ; then
+ DAEMON="$DAEMON $t"
+ continue
+ fi
+ t=`cat "$f" 2>/dev/null | grep 'bin' | grep 'exit 5' | grep -v '\$'`
+ if [ x"$t" != "x" ] ; then
+ DAEMON="$DAEMON $t"
+ continue
+ fi
+ if [ "$MODE" = "single" ] ; then
+ echo "Can't find the executable in $f but daemon rules would apply"
+ fi
+ elif [ `echo "$f" | grep '\/lib\/systemd\/'` ] ; then
+ t=`cat "$f" | grep -i '^ExecStart=' | tr '=' ' ' | awk '{ print $2 }'`
+ if [ x"$t" != "x" ] ; then
+ DAEMON="$DAEMON $t"
+ continue
+ fi
+ fi
+done
+
+# Prevent garbled output when doing --all.
+skip_current=0
+
+for f in $files
+do
+ if [ ! -f "$f" ] ; then
+ continue
+ fi
+ # Some packages have files with ~ in them. This avoids it.
+ if ! echo "$f" | grep '^/' >/dev/null ; then
+ continue
+ fi
+ if [ ! -r "$f" ] && [ $EUID != 0 ] ; then
+ if [ $MODE = "single" ] ; then
+ echo "Please re-test $f as the root user"
+ else
+ # Don't print results.
+ skip_current=1
+ echo "Please re-test $1 as the root user"
+ fi
+ continue
+ fi
+ if ! file "$f" | grep -qw 'ELF'; then
+ continue
+ fi
+ RELRO="no"
+ if readelf -l "$f" 2>/dev/null | grep -q 'GNU_RELRO'; then
+ RELRO="partial"
+ fi
+ if readelf -d "$f" 2>/dev/null | grep -q 'BIND_NOW'; then
+ RELRO="full"
+ fi
+ PIE="no"
+ if readelf -h "$f" 2>/dev/null | grep -q 'Type:[[:space:]]*DYN'; then
+ PIE="DSO"
+ if readelf -d "$f" 2>/dev/null | grep -q '(DEBUG)'; then
+ PIE="yes"
+ fi
+ fi
+ APP=""
+ if [ x"$DAEMON" != "x" ] ; then
+ for d in $DAEMON
+ do
+ if [ "$f" = "$d" ] ; then
+ APP="daemon"
+ break
+ fi
+ done
+ fi
+ if [ x"$APP" = "x" ] ; then
+ # See if this is a library or a setuid app
+ if [ `echo "$f" | grep '\/lib' | grep '\.so'` ] ; then
+ APP="library"
+ elif [ `find "$f" -perm -004000 -type f -print` ] ; then
+ APP="setuid"
+ elif [ `find "$f" -perm -002000 -type f -print` ] ; then
+ APP="setgid"
+ elif [ -x /usr/bin/filecap ] && [ `filecap "$f" 2> /dev/null | wc -w` -gt 0 ] ; then
+ APP="setcap"
+ else
+ syms1=`/usr/bin/readelf -s "$f" 2>/dev/null | egrep ' connect@.*GLIBC| listen@.*GLIBC| accept@.*GLIBC|accept4@.*GLIBC'`
+ syms2=`/usr/bin/readelf -s "$f" 2>/dev/null | egrep ' getaddrinfo@.*GLIBC| getnameinfo@.*GLIBC| getservent@.*GLIBC| getservbyname@.*GLIBC| getservbyport@.*GLIBC|gethostbyname@.*GLIBC| gethostbyname2@.*GLIBC| gethostbyaddr@.*GLIBC| gethostbyaddr2@.*GLIBC'`
+ if [ x"$syms1" != "x" ] ; then
+ if [ x"$syms2" != "x" ] ; then
+ APP="network-ip"
+ else
+ APP="network-local"
+ fi
+ fi
+ fi
+ fi
+ if [ x"$APP" = "x" ] ; then
+ APP="exec"
+ fi
+
+ # OK, ready for the output
+ if [ "$MODE" = "single" ] ; then
+ printf "%-56s %-10s " "$f" $APP
+ if [ "$APP" = "daemon" -o "$APP" = "setuid" -o "$APP" = "setgid" -o "$APP" = "setcap" -o "$APP" = "network-ip" -o "$APP" = "network-local" ] ; then
+ if [ "$RELRO" = "full" ] ; then
+ printf "\033[32m%-7s\033[m " $RELRO
+ elif [ "$RELRO" = "partial" ] ; then
+ printf "\033[33m%-7s\033[m " $RELRO
+ else
+ printf "\033[31m%-7s\033[m " $RELRO
+ fi
+ if [ "$PIE" = "yes" ] ; then
+ printf "\033[32m%-4s\033[m" $PIE
+ else
+ printf "\033[31m%-4s\033[m" $PIE
+ fi
+ elif [ "$APP" = "library" ] ; then
+ if [ "$RELRO" = "full" -o "$RELRO" = "partial" ] ; then
+ printf "\033[32m%-7s\033[m " $RELRO
+ else
+ printf "\033[31m%-7s\033[m " $RELRO
+ fi
+ printf "\033[32m%-4s\033[m" $PIE
+ else
+ # $APP = exec - we want partial relro
+ if [ "$RELRO" = "no" ] ; then
+ printf "\033[31m%-7s\033[m " $RELRO
+ else
+ printf "\033[32m%-7s\033[m " $RELRO
+ fi
+ printf "\033[32m%-4s\033[m" $PIE
+ fi
+ echo
+ else
+ if [ "$APP" = "daemon" -o "$APP" = "setuid" -o "$APP" = "setgid" -o "$APP" = "setcap" -o "$APP" = "network-ip" -o "$APP" = "network-local" ] ; then
+ if [ "$RELRO" = "no" ] ; then
+ RELRO_SUM="no"
+ APP_SUM="$APP"
+ fi
+ if [ "$PIE" = "no" ] ; then
+ PIE_SUM="no"
+ APP_SUM="$APP"
+ fi
+ elif [ "$APP" = "library" ] ; then
+ if [ "$RELRO" = "no" ] ; then
+ RELRO_SUM="no"
+ APP_SUM="$APP"
+ fi
+ # $APP = exec - must have partial or full relro
+ elif [ "$RELRO" = "no" ] ; then
+ RELRO_SUM="no"
+ APP_SUM="$APP"
+ fi
+ fi
+done
+}
+
+if [ "$MODE" = "single" ] ; then
+ printf "%-56s %-10s %-7s %-4s" "FILE" "TYPE" "RELRO" "PIE"
+ echo
+ for i; do
+ f=$(basename $1)
+ # Strip the .rpm extension, if present.
+ do_one ${f%%.rpm}
+ shift
+ done
+ exit 0
+fi
+
+# Skip the kernel as its special
+packages=`rpm -qa --queryformat "%{NAME}.%{ARCH}\n" | egrep -v 'kernel.|debuginfo.|.noarch|gpg-pubkey' | sort`
+printf "%-50s %-5s %-4s %-14s" "PACKAGE" "RELRO" "PIE" "CLASS"
+echo
+for p in $packages
+do
+ RELRO_SUM="yes"
+ PIE_SUM="yes"
+ APP_SUM=""
+ printf "%-50s " $p
+ do_one $p
+ if [[ $skip_current -eq 1 ]] ; then
+ continue
+ fi
+ if [ "$RELRO_SUM" = "yes" ] ; then
+ printf "\033[32m%-5s\033[m " "$RELRO_SUM"
+ else
+ printf "\033[31m%-5s\033[m " "$RELRO_SUM"
+ fi
+ if [ "$PIE_SUM" = "yes" ] ; then
+ printf "\033[32m%-4s\033[m" "$PIE_SUM"
+ if [ "$RELRO_SUM" = "no" ] ; then
+ printf " %-14s" "$APP_SUM"
+ fi
+ else
+ if [ "$APP_SUM" = "network-local" ] ; then
+ printf "\033[33m%-4s\033[m %-14s" "$PIE_SUM" "$APP_SUM"
+ else
+ printf "\033[31m%-4s\033[m %-14s" "$PIE_SUM" "$APP_SUM"
+ fi
+ fi
+ echo
+done
+exit 0
+