harbian-audit/bin/hardening/5.5_ensure_installed_sudo.sh

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#!/bin/bash
#
# harbian-audit for Debian GNU/Linux 9 or CentOS Hardening
#
#
# 5.8 Ensure sudo is installed (Scored)
# Add feature:
# Ensure sudo log file is set to /var/log/sudo.log
# Add new by:
# Author : Samson wen, Samson <sccxboy@gmail.com>
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=2
PACKAGE='sudo'
CONFIGFILE='/etc/sudoers'
LOGFILENAME='/var/log/sudo.log'
LOGFILENAME_REP='\/var\/log\/sudo.log'
# This function will be called if the script status is on enabled / audit mode
audit () {
is_pkg_installed $PACKAGE
if [ $FNRET != 0 ]; then
crit "$PACKAGE is not installed!"
FNRET=1
else
ok "$PACKAGE is installed"
if [ $(grep -c "^Defaults.*logfile=" $CONFIGFILE) -eq 1 ]; then
if [ $(grep "^Defaults.*logfile=" $CONFIGFILE | grep -c "$LOGFILENAME") -eq 1 ]; then
ok "Log file is set to $LOGFILENAME in $CONFIGFILE"
FNRET=0
else
crit "Log file path was set, but is not set to $LOGFILENAME"
FNRET=3
fi
else
crit "sudo Log file is not set in $CONFIGFILE"
FNRET=2
fi
fi
}
# This function will be called if the script status is on enabled mode
apply () {
if [ $FNRET = 0 ]; then
ok "$PACKAGE is installed"
elif [ $FNRET = 1 ]; then
warn "$PACKAGE is absent, installing it"
apt_install $PACKAGE
elif [ $FNRET = 2 ]; then
warn "sudo Log file is not set in $CONFIGFILE, add set to"
add_end_of_file $CONFIGFILE "Defaults logfile="$LOGFILENAME""
else
warn "Log file path was set, but is not set to $LOGFILENAME, modify"
replace_in_file $CONFIGFILE "logfile=.*" "logfile=$LOGFILENAME_REP"
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