mirror of
https://github.com/ovh/debian-cis.git
synced 2024-11-26 07:21:22 +01:00
97 lines
2.6 KiB
Bash
Executable File
97 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# run-shellcheck
|
|
#
|
|
# CIS Debian Hardening
|
|
#
|
|
|
|
#
|
|
# 5.2.1 Ensure permissions on /etc/ssh/sshd_config are configured (Scored)
|
|
#
|
|
|
|
set -e # One error, it's over
|
|
set -u # One variable unset, it's over
|
|
|
|
# shellcheck disable=2034
|
|
HARDENING_LEVEL=1
|
|
# shellcheck disable=2034
|
|
DESCRIPTION="Checking permissions and ownership to root 600 for sshd_config."
|
|
|
|
FILE='/etc/ssh/sshd_config'
|
|
PERMISSIONS='600'
|
|
USER='root'
|
|
GROUP='root'
|
|
|
|
# This function will be called if the script status is on enabled / audit mode
|
|
audit() {
|
|
has_file_correct_ownership "$FILE" "$USER" "$GROUP"
|
|
if [ "$FNRET" = 0 ]; then
|
|
ok "$FILE has correct ownership"
|
|
else
|
|
crit "$FILE ownership was not set to $USER:$GROUP"
|
|
fi
|
|
has_file_correct_permissions "$FILE" "$PERMISSIONS"
|
|
if [ "$FNRET" = 0 ]; then
|
|
ok "$FILE has correct permissions"
|
|
else
|
|
crit "$FILE permissions were not set to $PERMISSIONS"
|
|
fi
|
|
}
|
|
|
|
# This function will be called if the script status is on enabled mode
|
|
apply() {
|
|
does_file_exist $FILE
|
|
if [ "$FNRET" != 0 ]; then
|
|
info "$FILE does not exist"
|
|
touch $FILE
|
|
fi
|
|
has_file_correct_ownership "$FILE" "$USER" "$GROUP"
|
|
if [ "$FNRET" = 0 ]; then
|
|
ok "$FILE has correct ownership"
|
|
else
|
|
warn "fixing $FILE ownership to $USER:$GROUP"
|
|
chown $USER:$GROUP $FILE
|
|
fi
|
|
has_file_correct_permissions "$FILE" "$PERMISSIONS"
|
|
if [ "$FNRET" = 0 ]; then
|
|
ok "$FILE has correct permissions"
|
|
else
|
|
info "fixing $FILE permissions to $PERMISSIONS"
|
|
chmod 0"$PERMISSIONS" "$FILE"
|
|
fi
|
|
}
|
|
|
|
# This function will check config parameters required
|
|
check_config() {
|
|
does_user_exist $USER
|
|
if [ "$FNRET" != 0 ]; then
|
|
crit "$USER does not exist"
|
|
exit 128
|
|
fi
|
|
does_group_exist $GROUP
|
|
if [ "$FNRET" != 0 ]; then
|
|
crit "$GROUP does not exist"
|
|
exit 128
|
|
fi
|
|
}
|
|
|
|
# Source Root Dir Parameter
|
|
if [ -r /etc/default/cis-hardening ]; then
|
|
# shellcheck source=../../debian/default
|
|
. /etc/default/cis-hardening
|
|
fi
|
|
if [ -z "$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
|