mirror of
https://github.com/ovh/debian-cis.git
synced 2025-07-15 21:32:17 +02:00
598da61988
- package_manager_is_configured -> 1.2.1.2 - ptrace_scope_is_restricted -> 1.5.2 - gdm_is_removed.sh -> 1.7.1 - dnsmasq_is_disabled.sh -> 2.1.5
92 lines
2.8 KiB
Bash
Executable File
92 lines
2.8 KiB
Bash
Executable File
#!/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 dnsmasq 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 dnsmasq services are not in use."
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PACKAGE='dnsmasq'
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SERVICE="dnsmasq.service"
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# 2 scenario here:
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# - dnsmasq is a dependency for another package -> disable the service
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# - dnsmasq 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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is_pkg_installed "$PACKAGE"
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[ "$FNRET" = 0 ] && PACKAGE_INSTALLED=0 # 0 means true in bash
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is_pkg_a_dependency "$PACKAGE"
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# dnsmasq is installed with dnsmasq-base, which
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[ "$FNRET" = 0 ] && PACKAGE_IS_DEPENDENCY=0
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is_service_enabled "$SERVICE"
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[ "$FNRET" = 0 ] && SERVICE_ENABLED=0
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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 ] && [ "$PACKAGE_IS_DEPENDENCY" -eq 0 ] && [ "$SERVICE_ENABLED" -eq 0 ]; then
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crit "$SERVICE is enabled"
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else
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ok "$PACKAGE is not in use"
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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 "$PACKAGE is installed and not a dependency, removing it"
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apt-get purge "$PACKAGE" -y
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apt-get autoremove -y
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elif [ "$PACKAGE_INSTALLED" -eq 0 ] && [ "$PACKAGE_IS_DEPENDENCY" -eq 0 ] && [ "$SERVICE_ENABLED" -eq 0 ] && [ "$IS_CONTAINER" -eq 1 ]; then
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crit "$SERVICE is enabled, i'm going to stop and mask it"
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systemctl stop "$SERVICE"
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systemctl mask "$SERVICE"
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else
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ok "$PACKAGE is not in use"
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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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