mirror of
https://github.com/ovh/debian-cis.git
synced 2024-11-25 06:54:29 +01:00
106 lines
3.1 KiB
Bash
Executable File
106 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# run-shellcheck
|
|
#
|
|
# CIS Debian Hardening
|
|
#
|
|
|
|
#
|
|
# 1.7.1.4 Ensure all AppArmor profiles are enforcing (Scored)
|
|
#
|
|
|
|
set -e # One error, it's over
|
|
set -u # One variable unset, it's over
|
|
|
|
# shellcheck disable=2034
|
|
HARDENING_LEVEL=3
|
|
# shellcheck disable=2034
|
|
DESCRIPTION="Enforce Apparmor profiles."
|
|
|
|
PACKAGES='apparmor apparmor-utils'
|
|
|
|
# This function will be called if the script status is on enabled / audit mode
|
|
audit() {
|
|
ERROR=0
|
|
for PACKAGE in $PACKAGES; do
|
|
is_pkg_installed "$PACKAGE"
|
|
if [ "$FNRET" != 0 ]; then
|
|
crit "$PACKAGE is absent!"
|
|
ERROR=1
|
|
else
|
|
ok "$PACKAGE is installed"
|
|
fi
|
|
done
|
|
if [ "$ERROR" = 0 ]; then
|
|
RESULT_UNCONFINED=$($SUDO_CMD apparmor_status | grep "^0 processes are unconfined but have a profile defined" || true)
|
|
RESULT_COMPLAIN=$($SUDO_CMD apparmor_status | grep "^0 profiles are in complain mode." || true)
|
|
|
|
if [ -n "$RESULT_UNCONFINED" ]; then
|
|
ok "No profiles are unconfined"
|
|
else
|
|
crit "Some processes are unconfined while they have defined profile"
|
|
fi
|
|
|
|
if [ -n "$RESULT_COMPLAIN" ]; then
|
|
ok "No profiles are in complain mode"
|
|
else
|
|
crit "Some processes are in complain mode"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# This function will be called if the script status is on enabled mode
|
|
apply() {
|
|
for PACKAGE in $PACKAGES; do
|
|
is_pkg_installed "$PACKAGE"
|
|
if [ "$FNRET" != 0 ]; then
|
|
crit "$PACKAGE is absent!"
|
|
apt_install "$PACKAGE"
|
|
else
|
|
ok "$PACKAGE is installed"
|
|
fi
|
|
done
|
|
|
|
RESULT_UNCONFINED=$(apparmor_status | grep "^0 processes are unconfined but have a profile defined" || true)
|
|
RESULT_COMPLAIN=$(apparmor_status | grep "^0 profiles are in complain mode." || true)
|
|
|
|
if [ -n "$RESULT_UNCONFINED" ]; then
|
|
ok "No profiles are unconfined"
|
|
else
|
|
warn "Some processes are unconfined while they have defined profile, setting profiles to enforce mode"
|
|
aa-enforce /etc/apparmor.d/*
|
|
fi
|
|
|
|
if [ -n "$RESULT_COMPLAIN" ]; then
|
|
ok "No profiles are in complain mode"
|
|
else
|
|
warn "Some processes are in complain mode, setting profiles to enforce mode"
|
|
aa-enforce /etc/apparmor.d/*
|
|
fi
|
|
}
|
|
|
|
# This function will check config parameters required
|
|
check_config() {
|
|
:
|
|
}
|
|
|
|
# Source Root Dir Parameter
|
|
if [ -r /etc/default/cis-hardening ]; then
|
|
# shellcheck source=../../debian/default
|
|
. /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
|
|
# shellcheck source=../../lib/main.sh
|
|
. "$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
|