debian-cis/bin/hardening/2.11_removable_device_nodev.sh
2017-11-17 15:13:27 +01:00

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#!/bin/bash
#
# CIS Debian 7/8 Hardening
#
#
# 2.11 Add nodev Option to Removable Media Partitions (Not Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=2
# Fair warning, it only checks /media.* like partition in fstab, it's not exhaustive
# Quick factoring as many script use the same logic
PARTITION="/media\S*"
OPTION="nodev"
# This function will be called if the script status is on enabled / audit mode
audit () {
info "Verifying if there is $PARTITION like partition"
FNRET=0
is_a_partition "$PARTITION"
if [ $FNRET -gt 0 ]; then
ok "There is no partition like $PARTITION"
FNRET=0
else
info "detected $PARTITION like"
has_mount_option $PARTITION $OPTION
if [ $FNRET -gt 0 ]; then
crit "$PARTITION has no option $OPTION in fstab!"
FNRET=1
else
ok "$PARTITION has $OPTION in fstab"
fi
fi
}
# This function will be called if the script status is on enabled mode
apply () {
if [ $FNRET = 0 ]; then
ok "$PARTITION is correctly set"
elif [ $FNRET = 1 ]; then
info "Adding $OPTION to fstab"
add_option_to_fstab $PARTITION $OPTION
fi
}
# This function will check config parameters required
check_config() {
# No param for this script
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
. /etc/default/cis-hardening
fi
if [ -z "$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