mirror of
https://github.com/docker-mailserver/docker-mailserver.git
synced 2024-01-19 02:48:50 +00:00
273 lines
9.6 KiB
Bash
273 lines
9.6 KiB
Bash
load "${REPOSITORY_ROOT}/test/helper/common"
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load "${REPOSITORY_ROOT}/test/helper/setup"
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BATS_TEST_NAME_PREFIX='[Rspamd] (DKIM) '
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CONTAINER_NAME='dms-test_rspamd-dkim'
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DOMAIN_NAME='fixed.com'
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SIGNING_CONF_FILE='/etc/rspamd/override.d/dkim_signing.conf'
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function setup_file() {
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_init_with_defaults
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# Comment for maintainers about `PERMIT_DOCKER=host`:
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# https://github.com/docker-mailserver/docker-mailserver/pull/2815/files#r991087509
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local CUSTOM_SETUP_ARGUMENTS=(
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--env ENABLE_RSPAMD=1
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--env ENABLE_OPENDKIM=0
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--env ENABLE_OPENDMARC=0
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--env ENABLE_POLICYD_SPF=0
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--env LOG_LEVEL=trace
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--env OVERRIDE_HOSTNAME="mail.${DOMAIN_NAME}"
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)
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_common_container_setup 'CUSTOM_SETUP_ARGUMENTS'
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_wait_for_service rspamd-redis
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_wait_for_service rspamd
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}
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# We want each test to start with a clean state.
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function teardown() {
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__remove_signing_config_file
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_run_in_container rm -rf /tmp/docker-mailserver/rspamd/dkim
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assert_success
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}
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function teardown_file() { _default_teardown ; }
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@test 'log level is applied correctly' {
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_run_in_container setup config dkim -vv help
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__log_is_free_of_warnings_and_errors
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assert_output --partial 'Enabled trace-logging'
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_run_in_container setup config dkim -v help
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__log_is_free_of_warnings_and_errors
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assert_output --partial 'Enabled debug-logging'
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}
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@test 'help message is properly shown' {
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_run_in_container setup config dkim help
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__log_is_free_of_warnings_and_errors
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assert_output --partial 'Showing usage message now'
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assert_output --partial 'rspamd-dkim - Configure DomainKeys Identified Mail (DKIM) via Rspamd'
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}
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@test 'default signing config is created if it does not exist and not overwritten' {
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# Required pre-condition: no default configuration is present
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__remove_signing_config_file
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__create_key
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assert_success
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__log_is_free_of_warnings_and_errors
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assert_output --partial "Supplying a default configuration ('${SIGNING_CONF_FILE}')"
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refute_output --partial "'${SIGNING_CONF_FILE}' exists, not supplying a default"
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assert_output --partial "Finished DKIM key creation"
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_run_in_container_bash "[[ -f ${SIGNING_CONF_FILE} ]]"
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assert_success
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_exec_in_container_bash "echo "blabla" >${SIGNING_CONF_FILE}"
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local INITIAL_SHA512_SUM=$(_exec_in_container sha512sum "${SIGNING_CONF_FILE}")
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__create_key
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__log_is_free_of_warnings_and_errors
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refute_output --partial "Supplying a default configuration ('${SIGNING_CONF_FILE}')"
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assert_output --partial "'${SIGNING_CONF_FILE}' exists, not supplying a default"
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assert_output --partial "Finished DKIM key creation"
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local SECOND_SHA512_SUM=$(_exec_in_container sha512sum "${SIGNING_CONF_FILE}")
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assert_equal "${INITIAL_SHA512_SUM}" "${SECOND_SHA512_SUM}"
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}
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@test 'default directories and files are created' {
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__create_key
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assert_success
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_count_files_in_directory_in_container /tmp/docker-mailserver/rspamd/dkim/ 3
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_run_in_container_bash "[[ -f ${SIGNING_CONF_FILE} ]]"
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assert_success
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__check_path_in_signing_config "/tmp/docker-mailserver/rspamd/dkim/rsa-2048-mail-${DOMAIN_NAME}.private.txt"
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__check_selector_in_signing_config 'mail'
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}
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@test "argument 'domain' is applied correctly" {
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for DOMAIN in 'blabla.org' 'someother.com' 'random.de'
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do
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_run_in_container setup config dkim domain "${DOMAIN}"
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assert_success
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assert_line --partial "Domain set to '${DOMAIN}'"
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local BASE_FILE_NAME="/tmp/docker-mailserver/rspamd/dkim/rsa-2048-mail-${DOMAIN}"
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__check_key_files_are_present "${BASE_FILE_NAME}"
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__check_path_in_signing_config "${BASE_FILE_NAME}.private.txt"
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__remove_signing_config_file
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done
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}
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@test "argument 'keytype' is applied correctly" {
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_run_in_container setup config dkim keytype foobar
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assert_failure
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assert_line --partial "Unknown keytype 'foobar'"
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for KEYTYPE in 'rsa' 'ed25519'
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do
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_run_in_container setup config dkim keytype "${KEYTYPE}"
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assert_success
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assert_line --partial "Keytype set to '${KEYTYPE}'"
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local BASE_FILE_NAME="/tmp/docker-mailserver/rspamd/dkim/ed25519-mail-${DOMAIN_NAME}"
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[[ ${KEYTYPE} == 'rsa' ]] && BASE_FILE_NAME="/tmp/docker-mailserver/rspamd/dkim/rsa-2048-mail-${DOMAIN_NAME}"
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__check_key_files_are_present "${BASE_FILE_NAME}"
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_run_in_container grep ".*k=${KEYTYPE};.*" "${BASE_FILE_NAME}.public.txt"
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assert_success
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_run_in_container grep ".*k=${KEYTYPE};.*" "${BASE_FILE_NAME}.public.dns.txt"
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assert_success
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__check_path_in_signing_config "${BASE_FILE_NAME}.private.txt"
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__remove_signing_config_file
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done
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}
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@test "argument 'selector' is applied correctly" {
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for SELECTOR in 'foo' 'bar' 'baz'
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do
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__create_key 'rsa' "${SELECTOR}"
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assert_success
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assert_line --partial "Selector set to '${SELECTOR}'"
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local BASE_FILE_NAME="/tmp/docker-mailserver/rspamd/dkim/rsa-2048-${SELECTOR}-${DOMAIN_NAME}"
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__check_key_files_are_present "${BASE_FILE_NAME}"
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_run_in_container grep "^${SELECTOR}\._domainkey.*" "${BASE_FILE_NAME}.public.txt"
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assert_success
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__check_rsa_keys 2048 "${SELECTOR}-${DOMAIN_NAME}"
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__check_path_in_signing_config "${BASE_FILE_NAME}.private.txt"
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__check_selector_in_signing_config "${SELECTOR}"
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__remove_signing_config_file
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done
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}
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@test "argument 'keysize' is applied correctly for RSA keys" {
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for KEYSIZE in 512 1024 2048 4096
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do
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__create_key 'rsa' 'mail' "${DOMAIN_NAME}" "${KEYSIZE}"
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assert_success
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__log_is_free_of_warnings_and_errors
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assert_line --partial "Keysize set to '${KEYSIZE}'"
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__check_rsa_keys "${KEYSIZE}" "mail-${DOMAIN_NAME}"
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__remove_signing_config_file
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done
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}
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@test "when 'keytype=ed25519' is set, setting custom 'keysize' is rejected" {
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__create_key 'ed25519' 'mail' "${DOMAIN_NAME}" 4096
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assert_failure
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assert_line --partial "Chosen keytype does not accept the 'keysize' argument"
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}
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@test "setting all arguments to a custom value works" {
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local KEYTYPE='ed25519'
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local SELECTOR='someselector'
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local DOMAIN='dms.org'
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__create_key "${KEYTYPE}" "${SELECTOR}" "${DOMAIN}"
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assert_success
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__log_is_free_of_warnings_and_errors
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assert_line --partial "Keytype set to '${KEYTYPE}'"
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assert_line --partial "Selector set to '${SELECTOR}'"
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assert_line --partial "Domain set to '${DOMAIN}'"
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local BASE_FILE_NAME="/tmp/docker-mailserver/rspamd/dkim/${KEYTYPE}-${SELECTOR}-${DOMAIN}"
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__check_path_in_signing_config "${BASE_FILE_NAME}.private.txt"
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__check_selector_in_signing_config 'someselector'
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}
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# Create DKIM keys.
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#
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# @param ${1} = keytype (default: rsa)
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# @param ${2} = selector (default: mail)
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# @param ${3} = domain (default: ${DOMAIN})
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# @param ${4} = keysize (default: 2048)
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function __create_key() {
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local KEYTYPE=${1:-rsa}
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local SELECTOR=${2:-mail}
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local DOMAIN=${3:-${DOMAIN_NAME}}
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local KEYSIZE=${4:-2048}
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_run_in_container setup config dkim \
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keytype "${KEYTYPE}" \
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keysize "${KEYSIZE}" \
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selector "${SELECTOR}" \
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domain "${DOMAIN}"
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}
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# Check whether an RSA key is created successfully and correctly
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# for a specific key size.
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#
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# @param ${1} = key size
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# @param ${2} = name of the selector and domain name (as one string)
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function __check_rsa_keys() {
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local KEYSIZE=${1:?Keysize must be supplied to __check_rsa_keys}
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local SELECTOR_AND_DOMAIN=${2:?Selector and domain name must be supplied to __check_rsa_keys}
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local BASE_FILE_NAME="/tmp/docker-mailserver/rspamd/dkim/rsa-${KEYSIZE}-${SELECTOR_AND_DOMAIN}"
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__check_key_files_are_present "${BASE_FILE_NAME}"
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__check_path_in_signing_config "${BASE_FILE_NAME}.private.txt"
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# Check the private key matches the specification
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_run_in_container_bash "openssl rsa -in '${BASE_FILE_NAME}.private.txt' -noout -text"
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assert_success
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assert_line --index 0 "RSA Private-Key: (${KEYSIZE} bit, 2 primes)"
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# Check the public key matches the specification
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#
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# We utilize the file for the DNS record contents which is already created
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# by the Rspamd DKIM helper script. This makes parsing easier here.
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local PUBKEY PUBKEY_INFO
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PUBKEY=$(_exec_in_container_bash "grep -o 'p=.*' ${BASE_FILE_NAME}.public.dns.txt")
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_run_in_container_bash "openssl enc -base64 -d <<< ${PUBKEY#p=} | openssl pkey -inform DER -pubin -noout -text"
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assert_success
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assert_line --index 0 "RSA Public-Key: (${KEYSIZE} bit)"
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}
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# Verify that all DKIM key files are present.
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#
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# @param ${1} = base file name that all DKIM key files have
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function __check_key_files_are_present() {
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local BASE_FILE_NAME="${1:?Base file name must be supplied to __check_key_files_are_present}"
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for FILE in ${BASE_FILE_NAME}.{public.txt,public.dns.txt,private.txt}
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do
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_run_in_container_bash "[[ -f ${FILE} ]]"
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assert_success
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done
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}
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# Check whether `path = .*` is set correctly in the signing configuration file.
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#
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# @param ${1} = file name that `path` should be set to
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function __check_path_in_signing_config() {
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local BASE_FILE_NAME=${1:?Base file name must be supplied to __check_path_in_signing_config}
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_run_in_container grep "[[:space:]]*path = \"${BASE_FILE_NAME}\";" "${SIGNING_CONF_FILE}"
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assert_success
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}
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# Check whether `selector = .*` is set correctly in the signing configuration file.
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#
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# @param ${1} = name that `selector` should be set to
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function __check_selector_in_signing_config() {
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local SELECTOR=${1:?Selector name must be supplied to __check_selector_in_signing_config}
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_run_in_container grep "[[:space:]]*selector = \"${SELECTOR}\";" "${SIGNING_CONF_FILE}"
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assert_success
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}
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# Check whether the script output is free of warnings and errors.
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function __log_is_free_of_warnings_and_errors() {
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assert_success
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refute_output --partial '[ WARN ]'
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refute_output --partial '[ ERROR ]'
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}
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# Remove the signing configuration file inside the container.
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function __remove_signing_config_file() {
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_exec_in_container rm -f "${SIGNING_CONF_FILE}"
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}
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