harbian-audit/bin/hardening/10.1.6_remove_nopasswd_sudo...

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#!/bin/bash
#
# harbian-audit for Debian GNU/Linux 7/8/9 Hardening
#
#
# 10.1.6 Remove nopasswd option from the sudoers configuration (Scored)
# Author : Samson wen, Samson <sccxboy@gmail.com>
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=3
NOPASSWD='NOPASSWD'
PASSWD='PASSWD'
FILE='/etc/sudoers'
INCLUDFILE='/etc/sudoers.d/*'
# This function will be called if the script status is on enabled / audit mode
audit ()
{
does_file_exist $FILE
if [ $FNRET != 0 ]; then
crit "$FILE is not exist!"
FNRET=2
else
does_pattern_exist_in_file $FILE $NOPASSWD
if [ $FNRET = 0 ]; then
crit "$NOPASSWD is set on $FILE, it's error conf"
FNRET=1
else
ok "$NOPASSWD is not set on $FILE, it's ok"
if [ $(ls $(dirname $INCLUDFILE) | wc -l) -gt 0 ]; then
if [ $(grep $NOPASSWD $INCLUDFILE | wc -l) -gt 0 ]; then
crit "$NOPASSWD is set on $INCLUDFILE, it's error conf"
FNRET=1
else
ok "$NOPASSWD is not set on $INCLUDFILE, it's ok"
FNRET=0
fi
fi
fi
fi
}
# This function will be called if the script status is on enabled mode
apply () {
if [ $FNRET = 0 ]; then
ok "APPLY: $NOPASSWD is not set on $FILE, it's ok"
elif [ $FNRET = 1 ]; then
info "$NOPASSWD is set on the $FILE or $INCLUDFILE, need remove"
backup_file $FILE
chmod 640 $FILE && sed -i -e "s/$NOPASSWD/$PASSWD/g" $FILE && chmod 440 $FILE
if [ $(ls $(dirname $INCLUDFILE) | wc -l) -gt 0 ]; then
backup_file $INCLUDFILE
chmod 640 $INCLUDFILE && sed -i -e "s/$NOPASSWD/$PASSWD/g" $INCLUDFILE && chmod 440 $INCLUDFILE
fi
elif [ $FNRET = 2 ]; then
warn "$FILE is not exist! Maybe sudo package not installed."
fi
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
. /etc/default/cis-hardening
fi
if [ -z "$CIS_ROOT_DIR" ]; then
echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
echo "Cannot source CIS_ROOT_DIR variable, aborting."
exit 128
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
. $CIS_ROOT_DIR/lib/main.sh
else
echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
exit 128
fi