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ADD(1.7.x): add apparmor checks
This commit is contained in:
Thibault Ayanides
parent
936b84c0f2
commit
8da1107532
@ -17,14 +17,31 @@ HARDENING_LEVEL=3
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# shellcheck disable=2034
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DESCRIPTION="Install AppArmor."
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PACKAGES='apparmor apparmor-utils'
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# This function will be called if the script status is on enabled / audit mode
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audit() {
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:
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for PACKAGE in $PACKAGES; do
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is_pkg_installed "$PACKAGE"
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if [ "$FNRET" != 0 ]; then
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crit "$PACKAGE is absent!"
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else
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ok "$PACKAGE is installed"
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fi
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done
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}
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# This function will be called if the script status is on enabled mode
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apply() {
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:
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for PACKAGE in $PACKAGES; do
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is_pkg_installed "$PACKAGE"
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if [ "$FNRET" = 0 ]; then
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ok "$PACKAGE is installed"
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else
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crit "$PACKAGE is absent, installing it"
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apt_install "$PACKAGE"
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fi
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done
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}
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# This function will check config parameters required
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@ -17,16 +17,18 @@ HARDENING_LEVEL=3
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# shellcheck disable=2034
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DESCRIPTION="Activate AppArmor to enforce permissions control."
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PACKAGE='apparmor'
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PACKAGES='apparmor apparmor-utils'
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# This function will be called if the script status is on enabled / audit mode
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audit() {
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for PACKAGE in $PACKAGES; do
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is_pkg_installed "$PACKAGE"
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if [ "$FNRET" != 0 ]; then
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crit "$PACKAGE is absent!"
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else
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ok "$PACKAGE is installed"
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fi
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done
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ERROR=0
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RESULT=$($SUDO_CMD grep "^\s*linux" /boot/grub/grub.cfg)
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@ -43,19 +45,22 @@ audit() {
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done
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IFS=$d_IFS
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if [ "$ERROR" = 0 ]; then
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ok "$PACKAGE is configured"
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ok "$PACKAGES are configured"
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fi
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}
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# This function will be called if the script status is on enabled mode
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apply() {
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for PACKAGE in $PACKAGES; do
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is_pkg_installed "$PACKAGE"
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if [ "$FNRET" != 0 ]; then
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crit "$PACKAGE is not installed, please install $PACKAGE and configure it"
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else
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if [ "$FNRET" = 0 ]; then
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ok "$PACKAGE is installed"
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else
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crit "$PACKAGE is absent, installing it"
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apt_install "$PACKAGE"
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fi
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done
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ERROR=0
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RESULT=$($SUDO_CMD grep "^\s*linux" /boot/grub/grub.cfg)
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@ -76,7 +81,7 @@ apply() {
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$SUDO_CMD sed -i "s/GRUB_CMDLINE_LINUX=\"/GRUB_CMDLINE_LINUX=\"apparmor=1 security=apparmor/" /etc/default/grub
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$SUDO_CMD update-grub
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else
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ok "$PACKAGE is configured"
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ok "$PACKAGES are configured"
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fi
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}
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@ -17,14 +17,48 @@ HARDENING_LEVEL=3
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# shellcheck disable=2034
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DESCRIPTION="Enforce or complain AppArmor profiles."
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PACKAGES='apparmor apparmor-utils'
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# This function will be called if the script status is on enabled / audit mode
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audit() {
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:
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for PACKAGE in $PACKAGES; do
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is_pkg_installed "$PACKAGE"
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if [ "$FNRET" != 0 ]; then
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crit "$PACKAGE is absent!"
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else
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ok "$PACKAGE is installed"
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fi
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done
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RESULT_UNCONFINED=$($SUDO_CMD apparmor_status | grep "^0 processes are unconfined but have a profile defined")
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if [ -n "$RESULT_UNCONFINED" ]; then
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ok "No profiles are unconfined"
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else
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crit "Some processes are unconfined while they have defined profile"
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fi
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}
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# This function will be called if the script status is on enabled mode
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apply() {
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:
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for PACKAGE in $PACKAGES; do
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is_pkg_installed "$PACKAGE"
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if [ "$FNRET" != 0 ]; then
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crit "$PACKAGES is absent!"
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else
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ok "$PACKAGE is installed"
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fi
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done
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RESULT_UNCONFINED=$(apparmor_status | grep "^0 processes are unconfined but have a profile defined")
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if [ -n "$RESULT_UNCONFINED" ]; then
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ok "No profiles are unconfined"
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else
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warn "Some processes are unconfined while they have defined profile, setting profiles to complain mode"
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aa-complain /etc/apparmor.d/*
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fi
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}
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# This function will check config parameters required
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@ -17,14 +17,62 @@ HARDENING_LEVEL=3
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# shellcheck disable=2034
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DESCRIPTION="Enforce Apparmor profiles."
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PACKAGES='apparmor apparmor-utils'
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# This function will be called if the script status is on enabled / audit mode
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audit() {
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:
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for PACKAGE in $PACKAGES; do
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is_pkg_installed "$PACKAGE"
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if [ "$FNRET" != 0 ]; then
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crit "$PACKAGE is absent!"
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else
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ok "$PACKAGE is installed"
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fi
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done
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RESULT_UNCONFINED=$($SUDO_CMD apparmor_status | grep "^0 processes are unconfined but have a profile defined")
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RESULT_COMPLAIN=$($SUDO_CMD apparmor_status | grep "^0 profiles are in complain mode.")
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if [ -n "$RESULT_UNCONFINED" ]; then
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ok "No profiles are unconfined"
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else
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crit "Some processes are unconfined while they have defined profile"
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fi
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if [ -n "$RESULT_COMPLAIN" ]; then
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ok "No profiles are in complain mode"
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else
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crit "Some processes are in complain mode"
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fi
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}
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# This function will be called if the script status is on enabled mode
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apply() {
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:
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for PACKAGE in $PACKAGES; do
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is_pkg_installed "$PACKAGE"
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if [ "$FNRET" != 0 ]; then
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crit "$PACKAGE is absent!"
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else
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ok "$PACKAGE is installed"
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fi
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done
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RESULT_UNCONFINED=$(apparmor_status | grep "^0 processes are unconfined but have a profile defined")
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RESULT_COMPLAIN=$(apparmor_status | grep "^0 profiles are in complain mode.")
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if [ -n "$RESULT_UNCONFINED" ]; then
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ok "No profiles are unconfined"
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else
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warn "Some processes are unconfined while they have defined profile, setting profiles to enforce mode"
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aa-enforce /etc/apparmor.d/*
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fi
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if [ -n "$RESULT_COMPLAIN" ]; then
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ok "No profiles are in complain mode"
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else
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warn "Some processes are in complain mode, setting profiles to enforce mode"
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aa-enforce /etc/apparmor.d/*
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fi
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}
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# This function will check config parameters required
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@ -19,6 +19,7 @@ Cmnd_Alias SCL_CMD = /bin/grep ,\
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/sbin/sysctl kernel.*,\
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/sbin/sysctl -a,\
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/bin/dmesg "",\
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/bin/netstat
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/bin/netstat,\
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/usr/sbin/apparmor_status
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cisharden ALL = (root) NOPASSWD: SCL_CMD
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@ -1,11 +1,22 @@
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# shellcheck shell=bash
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# run-shellcheck
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test_audit() {
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if [ -f "/.dockerenv" ]; then
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skip "SKIPPED on docker"
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else
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describe Running on blank host
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register_test retvalshouldbe 0
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dismiss_count_for_test
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# shellcheck disable=2154
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run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
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# TODO fill comprehensive tests
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describe correcting situation
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sed -i 's/audit/enabled/' /opt/debian-cis/etc/conf.d/"${script}".cfg
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/opt/debian-cis/bin/hardening/"${script}".sh --apply || true
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describe Checking resolved state
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register_test retvalshouldbe 0
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register_test contain "is installed"
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run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
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fi
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}
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@ -16,7 +16,7 @@ test_audit() {
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describe Checking resolved state
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register_test retvalshouldbe 0
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register_test contain "is configured"
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register_test contain "are configured"
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run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
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fi
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}
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@ -1,11 +1,22 @@
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# shellcheck shell=bash
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# run-shellcheck
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test_audit() {
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if [ -f "/.dockerenv" ]; then
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skip "SKIPPED on docker"
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else
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describe Running on blank host
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register_test retvalshouldbe 0
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dismiss_count_for_test
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# shellcheck disable=2154
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run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
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# TODO fill comprehensive tests
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describe correcting situation
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sed -i 's/audit/enabled/' /opt/debian-cis/etc/conf.d/"${script}".cfg
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/opt/debian-cis/bin/hardening/"${script}".sh --apply || true
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describe Checking resolved state
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register_test retvalshouldbe 0
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register_test contain "No profiles are unconfined"
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run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
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fi
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}
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@ -1,11 +1,22 @@
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# shellcheck shell=bash
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# run-shellcheck
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test_audit() {
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if [ -f "/.dockerenv" ]; then
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skip "SKIPPED on docker"
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else
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describe Running on blank host
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register_test retvalshouldbe 0
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dismiss_count_for_test
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# shellcheck disable=2154
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run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
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# TODO fill comprehensive tests
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describe correcting situation
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sed -i 's/audit/enabled/' /opt/debian-cis/etc/conf.d/"${script}".cfg
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/opt/debian-cis/bin/hardening/"${script}".sh --apply || true
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describe Checking resolved state
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register_test retvalshouldbe 0
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register_test contain "No profiles are unconfined"
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run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
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fi
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}
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