harbian-audit/bin/hardening/2.1_tmp_partition.sh

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#!/bin/bash
#
# harbian audit Debian 7/8/9 Hardening
#
#
# 2.1 Create Separate Partition/filesystem for /tmp (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=3
# Quick factoring as many script use the same logic
PARTITION="/tmp"
TMPMOUNTNAME="tmp.mount"
TMPMOUNTO="/usr/share/systemd/tmp.mount"
TMPMOUNTN="/etc/systemd/system/tmp.mount"
# This function will be called if the script status is on enabled / audit mode
audit () {
info "Verifying that $PARTITION is a filesystem/partition"
FNRET=0
is_debian_9
if [ $FNRET -gt 0 ]; then
is_a_partition "$PARTITION"
if [ $FNRET -gt 0 ]; then
crit "$PARTITION is not a partition"
FNRET=2
else
ok "$PARTITION is a partition"
is_mounted "$PARTITION"
if [ $FNRET -gt 0 ]; then
warn "$PARTITION is not mounted"
FNRET=1
else
ok "$PARTITION is mounted"
fi
fi
else
is_mounted "$PARTITION"
if [ $FNRET -gt 0 ]; then
crit "$PARTITION is not mounted"
FNRET=3
else
ok "$PARTITION is mounted"
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 [ $FNRET = 2 ]; then
crit "$PARTITION is not a partition, correct this by yourself, I cannot help you here"
elif [ $FNRET = 1 ];then
info "mounting $PARTITION"
mount $PARTITION
else
info "mounting $PARTITION by systemd"
if [ -a $TMPMOUNTN ]; then
$SUDO_CMD systemctl enable "$TMPMOUNTNAME"
elif [ -a $TMPMOUNTO ]; then
$SUDO_CMD cp $TMPMOUNTO $TMPMOUNTN
$SUDO_CMD systemctl enable "$TMPMOUNTNAME"
fi
$SUDO_CMD systemctl daemon-reload
$SUDO_CMD systemctl start "$TMPMOUNTNAME"
fi
}
# This function will check config parameters required
check_config() {
# No parameter 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