mirror of
https://github.com/ovh/debian-cis.git
synced 2025-08-11 01:51:53 +02:00
feat: add new checks for debian12
systemd_timesyncd_is_enabled_and_running.sh -> 2.3.2.2 rpcbind_is_disabled.sh -> 2.1.12 ftp_client_not_installed.sh -> 2.2.6 chrony_with_chrony_user.sh -> 2.3.3.2 ipv6_is_enabled.sh -> 3.1.1
This commit is contained in:
damien cavagnini
77
bin/hardening/chrony_with_chrony_user.sh
Executable file
77
bin/hardening/chrony_with_chrony_user.sh
Executable file
@@ -0,0 +1,77 @@
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#!/bin/bash
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# run-shellcheck
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#
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# CIS Debian Hardening
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#
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#
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# Ensure chrony is running as user _chrony (Automated)
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#
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set -e # One error, it's over
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set -u # One variable unset, it's over
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# shellcheck disable=2034
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HARDENING_LEVEL=3
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# shellcheck disable=2034
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DESCRIPTION="Ensure chrony is running as user _chrony"
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FILE='/etc/chrony/chrony.conf'
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CHRONY_USER="_chrony"
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USER_PATTERN="^user"
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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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CHRONY_USER_VALID=0
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local running_user=""
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running_user=$($SUDO_CMD ps -ef | awk '/[c]hronyd/ { print $1 }')
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if [ -z "$running_user" ]; then
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CHRONY_USER_VALID=1
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crit "chrony is not running"
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elif [[ "$running_user" != "$CHRONY_USER" ]]; then
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CHRONY_USER_VALID=1
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crit "chrony is running as root"
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else
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ok "chrony is running as $CHRONY_USER"
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fi
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}
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# This function will be called if the script status is on enabled mode
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apply() {
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if [ "$CHRONY_USER_VALID" -ne 0 ]; then
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does_pattern_exist_in_file "$FILE" "$USER_PATTERN"
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if [ "$FNRET" -eq 0 ]; then
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sed -i '/'$USER_PATTERN'/d' "$FILE"
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fi
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add_end_of_file "$FILE" "user $CHRONY_USER"
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info "$FILE modified, please restart the service"
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fi
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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# shellcheck source=../../debian/default
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. /etc/default/cis-hardening
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fi
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if [ -z "$CIS_LIB_DIR" ]; then
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echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
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echo "Cannot source CIS_LIB_DIR variable, aborting."
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exit 128
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fi
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# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
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if [ -r "${CIS_LIB_DIR}"/main.sh ]; then
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# shellcheck source=../../lib/main.sh
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. "${CIS_LIB_DIR}"/main.sh
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else
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echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_LIB_DIR in /etc/default/cis-hardening"
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exit 128
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fi
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@@ -19,7 +19,7 @@ DESCRIPTION="Ensure Network File System (nfs) and RPC are not enabled."
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# shellcheck disable=2034
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HARDENING_EXCEPTION=nfs
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PACKAGES='rpcbind nfs-kernel-server'
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PACKAGES='nfs-kernel-server'
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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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68
bin/hardening/ftp_client_not_installed.sh
Executable file
68
bin/hardening/ftp_client_not_installed.sh
Executable file
@@ -0,0 +1,68 @@
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#!/bin/bash
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# run-shellcheck
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#
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# CIS Debian Hardening
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#
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#
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# Ensure ftp client is not installed (Automated)
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#
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set -e # One error, it's over
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set -u # One variable unset, it's over
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# shellcheck disable=2034
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HARDENING_LEVEL=3
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# shellcheck disable=2034
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DESCRIPTION="Ensure ftp client is not installed"
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PACKAGE='ftp'
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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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# 0 means true in bash
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PACKAGE_INSTALLED=1
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is_pkg_installed "$PACKAGE"
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if [ "$FNRET" -eq 0 ]; then
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# var will be reused in 'apply'
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PACKAGE_INSTALLED=0
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crit "$PACKAGE is installed"
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else
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ok "$PACKAGE is not installed"
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fi
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}
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# This function will be called if the script status is on enabled mode
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apply() {
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if [ "$PACKAGE_INSTALLED" -eq 0 ]; then
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apt remove -y "$PACKAGE"
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apt purge -y "$PACKAGE"
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fi
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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# shellcheck source=../../debian/default
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. /etc/default/cis-hardening
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fi
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if [ -z "$CIS_LIB_DIR" ]; then
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echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
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echo "Cannot source CIS_LIB_DIR variable, aborting."
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exit 128
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fi
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# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
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if [ -r "${CIS_LIB_DIR}"/main.sh ]; then
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# shellcheck source=../../lib/main.sh
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. "${CIS_LIB_DIR}"/main.sh
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else
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echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_LIB_DIR in /etc/default/cis-hardening"
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exit 128
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fi
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59
bin/hardening/ipv6_is_enabled.sh
Executable file
59
bin/hardening/ipv6_is_enabled.sh
Executable file
@@ -0,0 +1,59 @@
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#!/bin/bash
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# run-shellcheck
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#
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# CIS Debian Hardening
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#
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#
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# Ensure IPv6 status is identified (Manual)
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#
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set -e # One error, it's over
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set -u # One variable unset, it's over
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# shellcheck disable=2034
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HARDENING_LEVEL=3
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# shellcheck disable=2034
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DESCRIPTION="Ensure IPv6 status is identified"
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# This function will be called if the script status is on enabled / audit mode
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audit() {
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is_ipv6_enabled
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if [ "$FNRET" -eq 0 ]; then
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ok "ipv6 is enabled"
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else
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crit "ipv6 is disabled"
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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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info "Enable or disable manually IPv6 in accordance with system requirements and local site policy"
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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# shellcheck source=../../debian/default
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. /etc/default/cis-hardening
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fi
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if [ -z "$CIS_LIB_DIR" ]; then
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echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
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echo "Cannot source CIS_LIB_DIR variable, aborting."
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exit 128
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fi
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# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
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if [ -r "${CIS_LIB_DIR}"/main.sh ]; then
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# shellcheck source=../../lib/main.sh
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. "${CIS_LIB_DIR}"/main.sh
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else
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echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_LIB_DIR in /etc/default/cis-hardening"
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exit 128
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fi
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123
bin/hardening/rpcbind_is_disabled.sh
Executable file
123
bin/hardening/rpcbind_is_disabled.sh
Executable file
@@ -0,0 +1,123 @@
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#!/bin/bash
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# run-shellcheck
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#
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# CIS Debian Hardening
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#
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#
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# Ensure rpcbind services are not in use (Automated)
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#
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set -e # One error, it's over
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set -u # One variable unset, it's over
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# shellcheck disable=2034
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HARDENING_LEVEL=3
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# shellcheck disable=2034
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DESCRIPTION="Ensure rpcbind services are not in use."
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PACKAGE='rpcbind'
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SERVICE="rpcbind.service"
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SOCKET="rpcbind.socket"
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# 2 scenario here:
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# - rcpbind is a dependency for another package -> disable the service, disable the socket
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# - rpcbind is not a dependency for another package -> remove the package
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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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# 0 means true in bash
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PACKAGE_INSTALLED=1
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PACKAGE_IS_DEPENDENCY=1
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SERVICE_ENABLED=1
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SOCKET_ENABLED=1
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is_pkg_installed "$PACKAGE"
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if [ "$FNRET" -eq 0 ]; then
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PACKAGE_INSTALLED=0 # 0 means true in bash
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fi
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is_pkg_a_dependency "$PACKAGE"
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if [ "$FNRET" -eq 0 ]; then
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PACKAGE_IS_DEPENDENCY=0
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fi
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is_service_enabled "$SERVICE"
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if [ "$FNRET" = 0 ]; then
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SERVICE_ENABLED=0
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fi
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is_socket_enabled "$SOCKET"
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if [ "$FNRET" = 0 ]; then
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SOCKET_ENABLED=0
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fi
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if [ "$PACKAGE_INSTALLED" -eq 0 ] && [ "$PACKAGE_IS_DEPENDENCY" -eq 1 ]; then
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crit "$PACKAGE is installed and not a dependency"
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elif [ "$PACKAGE_INSTALLED" -eq 0 ] && [ "$PACKAGE_IS_DEPENDENCY" -eq 0 ]; then
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local active
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active=1
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if [ "$SERVICE_ENABLED" -eq 0 ]; then
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active=0
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crit "$SERVICE is enabled" && active=0
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fi
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if [ "$SOCKET_ENABLED" -eq 0 ]; then
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active=0
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crit "$SOCKET_ENABLED is enabled"
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fi
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if [ "$active" -eq 1 ]; then
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ok "$PACKAGE is not used"
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fi
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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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audit
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if [ "$PACKAGE_INSTALLED" -eq 0 ] && [ "$PACKAGE_IS_DEPENDENCY" -eq 1 ]; then
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crit "$PACKAGE is installed and not a dependency, removing it"
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apt_remove "$PACKAGE" -y
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apt-get autoremove -y
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elif [ "$PACKAGE_INSTALLED" -eq 0 ] && [ "$PACKAGE_IS_DEPENDENCY" -eq 0 ]; then
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if [ "$SERVICE_ENABLED" -eq 0 ]; then
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info "Stopping and masking $SERVICE"
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systemctl stop "$SERVICE"
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systemctl mask "$SERVICE"
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fi
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if [ "$SOCKET_ENABLED" -eq 0 ]; then
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info "Stopping and masking $SOCKET"
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systemctl stop "$SOCKET"
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systemctl mask "$SOCKET"
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fi
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fi
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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# shellcheck source=../../debian/default
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. /etc/default/cis-hardening
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fi
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if [ -z "$CIS_LIB_DIR" ]; then
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echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
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echo "Cannot source CIS_LIB_DIR variable, aborting."
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exit 128
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fi
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# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
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if [ -r "${CIS_LIB_DIR}"/main.sh ]; then
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# shellcheck source=../../lib/main.sh
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. "${CIS_LIB_DIR}"/main.sh
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else
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echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_LIB_DIR in /etc/default/cis-hardening"
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exit 128
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fi
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90
bin/hardening/systemd_timesyncd_is_enabled_and_running.sh
Executable file
90
bin/hardening/systemd_timesyncd_is_enabled_and_running.sh
Executable file
@@ -0,0 +1,90 @@
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#!/bin/bash
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# run-shellcheck
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#
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# CIS Debian Hardening
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#
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#
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# Ensure systemd-timesyncd is enabled and running (Automated)
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#
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set -e # One error, it's over
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set -u # One variable unset, it's over
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# shellcheck disable=2034
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HARDENING_LEVEL=3
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# shellcheck disable=2034
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DESCRIPTION="Ensure systemd-timesyncd is enabled and running."
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PACKAGE="systemd-timesyncd"
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SERVICE="systemd-timesyncd.service"
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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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TIMESYNCD_INSTALLED=0
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TIMESYNCD_ENABLED=0
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TIMESYNCD_RUNNING=0
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is_pkg_installed "$PACKAGE"
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if [ "$FNRET" -ne 0 ]; then
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TIMESYNCD_INSTALLED=1
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crit "$PACKAGE is not installed"
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fi
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# no package, no need to check further
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return
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is_service_enabled "$SERVICE"
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if [ "$FNRET" -ne 0 ]; then
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TIMESYNCD_ENABLED=1
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crit "$SERVICE is not enabled"
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fi
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is_service_active "$SERVICE"
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if [ "$FNRET" -ne 0 ]; then
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TIMESYNCD_RUNNING=1
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crit "$SERVICE is not running"
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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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if [ "$TIMESYNCD_INSTALLED" -eq 1 ]; then
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warn "Please install $PACKAGE manually to ensure only one time synchronization system is installed"
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fi
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if [ "$TIMESYNCD_ENABLED" -eq 1 ]; then
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info "Enabling $SERVICE service"
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manage_service "enable" "$SERVICE"
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fi
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if [ "$TIMESYNCD_RUNNING" -eq 1 ]; then
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info "Starting $SERVICE service"
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manage_service "start" "$SERVICE"
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fi
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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# shellcheck source=../../debian/default
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. /etc/default/cis-hardening
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fi
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if [ -z "$CIS_LIB_DIR" ]; then
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echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
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echo "Cannot source CIS_LIB_DIR variable, aborting."
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exit 128
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fi
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# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
|
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if [ -r "${CIS_LIB_DIR}"/main.sh ]; then
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# shellcheck source=../../lib/main.sh
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. "${CIS_LIB_DIR}"/main.sh
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else
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echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_LIB_DIR in /etc/default/cis-hardening"
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exit 128
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fi
|
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Reference in New Issue
Block a user