126 lines
3.5 KiB
Bash
Executable File
126 lines
3.5 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
#
|
|
# harbian audit 7/8/9/10 or CentOS Hardening
|
|
# Modify by: Samson-W (samson@hardenedlinux.org)
|
|
# todo: SELinux
|
|
|
|
#
|
|
# 4.5 Activate AppArmor/SELinux (Scored)
|
|
# Add 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=3
|
|
|
|
PACKAGES='apparmor apparmor-profiles apparmor-utils'
|
|
KEYWORD="GRUB_CMDLINE_LINUX"
|
|
PATTERN="apparmor=1[[:space:]]*security=apparmor"
|
|
SETSTRING="apparmor=1 security=apparmor"
|
|
GRUBFILE='/etc/default/grub'
|
|
|
|
audit_debian () {
|
|
for PACKAGE in ${PACKAGES}
|
|
do
|
|
is_pkg_installed $PACKAGE
|
|
if [ $FNRET != 0 ]; then
|
|
crit "$PACKAGE is absent!"
|
|
FNRET=1
|
|
fi
|
|
done
|
|
if [ $FNRET = 0 ]; then
|
|
ok "$PACKAGE is installed"
|
|
if [ $( grep -w "^${KEYWORD}" ${GRUBFILE} | grep -c ${PATTERN}) -eq 1 ]; then
|
|
ok "There are ${SETSTRING} to ${KEYWORD} in ${GRUBFILE}"
|
|
is_mounted "/sys/kernel/security"
|
|
if [ ${FNRET} -eq 0 -a $(/usr/sbin/apparmor_status 2>&1 | grep -c "apparmor filesystem is not mounted.") -eq 1 ]; then
|
|
crit "AppArmor profiles not enable in the system "
|
|
FNRET=3
|
|
elif [ ${FNRET} -eq 0 -a $(/usr/sbin/apparmor_status | grep 'profiles are loaded' | awk '{print $1}') -gt 0 ]; then
|
|
ok "AppArmor profiles is enable in the system "
|
|
FNRET=0
|
|
fi
|
|
else
|
|
crit "There are not set ${SETSTRING} to ${KEYWORD} in ${GRUBFILE}"
|
|
FNRET=2
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# Todo
|
|
audit_redhat () {
|
|
:
|
|
}
|
|
|
|
# This function will be called if the script status is on enabled / audit mode
|
|
audit () {
|
|
if [ $OS_RELEASE -eq 1 ]; then
|
|
audit_debian
|
|
elif [ $OS_RELEASE -eq 2 ]; then
|
|
audit_redhat
|
|
else
|
|
crit "Current OS is not support!"
|
|
FNRET=44
|
|
fi
|
|
}
|
|
|
|
apply_debian () {
|
|
if [ $FNRET = 0 ]; then
|
|
ok "AppArmor profiles is enable in the system "
|
|
elif [ $FNRET = 1 ]; then
|
|
warn "$PACKAGE is not installed, install $PACKAGES"
|
|
for PACKAGE in ${PACKAGES}
|
|
do
|
|
apt_install $PACKAGE
|
|
done
|
|
elif [ $FNRET = 2 ]; then
|
|
warn "Set ${SETSTRING} to ${GRUBFILE} in ${GRUBFILE}, need to reboot the system and enable AppArmor profiles after setting it."
|
|
sed -i "s;\(${KEYWORD}=\)\(\".*\)\(\"\);\1\2 ${SETSTRING}\3;" ${GRUBFILE}
|
|
/usr/sbin/update-grub2
|
|
elif [ $FNRET = 3 ]; then
|
|
warn "Enable AppArmor profiles in the system "
|
|
/usr/sbin/aa-enforce /etc/apparmor.d/*
|
|
fi
|
|
}
|
|
|
|
# Todo
|
|
apply_redhat () {
|
|
:
|
|
}
|
|
|
|
# This function will be called if the script status is on enabled mode
|
|
apply () {
|
|
if [ $OS_RELEASE -eq 1 ]; then
|
|
apply_debian
|
|
elif [ $OS_RELEASE -eq 2 ]; then
|
|
apply_redhat
|
|
else
|
|
crit "Current OS is not support!"
|
|
fi
|
|
}
|
|
|
|
# This function will check config parameters required
|
|
check_config() {
|
|
:
|
|
}
|
|
|
|
# Source Root Dir Parameter
|
|
if [ -r /etc/default/cis-hardening ]; then
|
|
. /etc/default/cis-hardening
|
|
fi
|
|
if [ -z "$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
|