mirror of
https://github.com/docker-mailserver/docker-mailserver
synced 2024-12-18 23:14:11 +01:00
69 lines
2.9 KiB
Bash
69 lines
2.9 KiB
Bash
load "${REPOSITORY_ROOT}/test/helper/setup"
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load "${REPOSITORY_ROOT}/test/helper/common"
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# Test case
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# ---------
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# By default, this image is using audited FFDHE groups (https://github.com/docker-mailserver/docker-mailserver/pull/1463)
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# Reference used (22/04/2020) - Page 27 (ffdhe4096 RFC 7919, regarded as sufficient):
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# https://english.ncsc.nl/publications/publications/2019/juni/01/it-security-guidelines-for-transport-layer-security-tls
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BATS_TEST_NAME_PREFIX='[Security] TLS (DH Parameters) '
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CONTAINER1_NAME='dms-test_tls-dh-params_default'
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CONTAINER2_NAME='dms-test_tls-dh-params_custom'
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function teardown() { _default_teardown ; }
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# Verify Postfix and Dovecot are using the default `ffdhe4096.pem` from Dockerfile build.
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# Verify that the file `ffdhe4096.pem` has not been modified (checksum verification against trusted third-party copy).
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@test "Default" {
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export CONTAINER_NAME=${CONTAINER1_NAME}
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local DH_PARAMS_DEFAULT='target/shared/ffdhe4096.pem'
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local DH_CHECKSUM_DEFAULT=$(sha512sum "${DH_PARAMS_DEFAULT}" | awk '{print $1}')
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_init_with_defaults
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_common_container_setup
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_should_match_service_copies "${DH_CHECKSUM_DEFAULT}"
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# Verify integrity of the default supplied DH Params (ffdhe4096, should be equivalent to `target/shared/ffdhe4096.pem.sha512sum`):
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# 716a462baecb43520fb1ba6f15d288ba8df4d612bf9d450474b4a1c745b64be01806e5ca4fb2151395fd4412a98831b77ea8dfd389fe54a9c768d170b9565a25
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local DH_CHECKSUM_MOZILLA
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DH_CHECKSUM_MOZILLA=$(curl https://ssl-config.mozilla.org/ffdhe4096.txt -s | sha512sum | awk '{print $1}')
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assert_equal "${DH_CHECKSUM_DEFAULT}" "${DH_CHECKSUM_MOZILLA}"
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}
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# When custom DHE parameters are supplied by the user to `/tmp/docker-mailserver/dhparams.pem`:
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# - Verify Postfix and Dovecot use the custom `custom-dhe-params.pem` (contents tested is actually `ffdhe2048.pem`).
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# - A warning is raised about usage of potentially insecure parameters.
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@test "Custom" {
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export CONTAINER_NAME=${CONTAINER2_NAME}
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local DH_PARAMS_CUSTOM='test/files/ssl/custom-dhe-params.pem'
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local DH_CHECKSUM_CUSTOM=$(sha512sum "${DH_PARAMS_CUSTOM}" | awk '{print $1}')
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_init_with_defaults
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cp "${DH_PARAMS_CUSTOM}" "${TEST_TMP_CONFIG}/dhparams.pem"
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_common_container_setup
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_should_match_service_copies "${DH_CHECKSUM_CUSTOM}"
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# Should emit a warning:
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run docker logs "${CONTAINER_NAME}"
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assert_success
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assert_output --partial 'Using self-generated dhparams is considered insecure - unless you know what you are doing, please remove'
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}
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# Ensures the docker image services (Postfix and Dovecot) have the expected DH files:
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function _should_match_service_copies() {
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local DH_CHECKSUM=$1
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function __should_have_expected_checksum() {
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_run_in_container_bash "sha512sum ${1} | awk '{print \$1}'"
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assert_success
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assert_output "${DH_CHECKSUM}"
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}
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__should_have_expected_checksum '/etc/dovecot/dh.pem'
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__should_have_expected_checksum '/etc/postfix/dhparams.pem'
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}
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