mirror of
https://github.com/ovh/debian-cis.git
synced 2024-11-26 23:41:08 +01:00
88 lines
2.5 KiB
Bash
Executable File
88 lines
2.5 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
#
|
|
# CIS Debian Hardening
|
|
#
|
|
|
|
#
|
|
# 2.6.4 Set noexec option for /var/tmp Partition (Scored)
|
|
#
|
|
|
|
set -e # One error, it's over
|
|
set -u # One variable unset, it's over
|
|
|
|
HARDENING_LEVEL=3
|
|
DESCRIPTION="/var/tmp partition with noexec option."
|
|
|
|
# Quick factoring as many script use the same logic
|
|
PARTITION="/var/tmp"
|
|
OPTION="noexec"
|
|
|
|
# This function will be called if the script status is on enabled / audit mode
|
|
audit () {
|
|
info "Verifying that $PARTITION is a partition"
|
|
FNRET=0
|
|
is_a_partition "$PARTITION"
|
|
if [ $FNRET -gt 0 ]; then
|
|
crit "$PARTITION is not a partition"
|
|
FNRET=2
|
|
else
|
|
ok "$PARTITION is a partition"
|
|
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"
|
|
has_mounted_option $PARTITION $OPTION
|
|
if [ $FNRET -gt 0 ]; then
|
|
warn "$PARTITION is not mounted with $OPTION at runtime"
|
|
FNRET=3
|
|
else
|
|
ok "$PARTITION mounted with $OPTION"
|
|
fi
|
|
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 "Adding $OPTION to fstab"
|
|
add_option_to_fstab $PARTITION $OPTION
|
|
info "Remounting $PARTITION from fstab"
|
|
remount_partition $PARTITION
|
|
elif [ $FNRET = 3 ]; then
|
|
info "Remounting $PARTITION from fstab"
|
|
remount_partition $PARTITION
|
|
fi
|
|
}
|
|
|
|
# This function will check config parameters required
|
|
check_config() {
|
|
# No param for this script
|
|
:
|
|
}
|
|
|
|
# Source Root Dir Parameter
|
|
if [ -r /etc/default/cis-hardening ]; then
|
|
. /etc/default/cis-hardening
|
|
fi
|
|
if [ -z "$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
|