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https://github.com/docker-mailserver/docker-mailserver.git
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835056d707
Allows for using `load` with an absolute path instead of a relative one, which makes it possible to group tests into different directories. Parallel tests differ slightly, loading the newer `helper/common.bash` and `helper/setup.bash` files instead of the older `test_helper/common.bash` which serial tests continue to use.
128 lines
4.4 KiB
Bash
128 lines
4.4 KiB
Bash
load "${REPOSITORY_ROOT}/test/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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#
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# This test case covers the described case against both boolean states for `ONE_DIR`.
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#
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# Description:
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# 1. Verify that the file `ffdhe4096.pem` has not been modified (checksum verification).
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# 2. Verify Postfix and Dovecot are using the default `ffdhe4096.pem` from Dockerfile build.
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# 3. When custom DHE parameters are supplied by the user as `/tmp/docker-mailserver/dhparams.pem`:
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# - Verify Postfix and Dovecot use the custom `custom-dhe-params.pem` (contents is actually `ffdhe2048.pem`).
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# - A warning is raised about usage of potentially insecure parameters.
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function teardown() {
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docker rm -f mail_dhparams
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}
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function setup_file() {
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# Delegated container setup to common_container_setup
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# DRY - Explicit config changes between tests are more apparent this way.
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# Global scope
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# Copies all of `./test/config/` to specific directory for testing
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# `${PRIVATE_CONFIG}` becomes `$(pwd)/test/duplicate_configs/<bats test filename>`
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export PRIVATE_CONFIG
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export DMS_ONE_DIR=1 # default
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local DH_DEFAULT_PARAMS
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export DH_DEFAULT_CHECKSUM
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export DH_CUSTOM_PARAMS
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export DH_CUSTOM_CHECKSUM
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DH_DEFAULT_PARAMS="$(pwd)/target/shared/ffdhe4096.pem"
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DH_DEFAULT_CHECKSUM=$(sha512sum "${DH_DEFAULT_PARAMS}" | awk '{print $1}')
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DH_CUSTOM_PARAMS="$(pwd)/test/test-files/ssl/custom-dhe-params.pem"
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DH_CUSTOM_CHECKSUM=$(sha512sum "${DH_CUSTOM_PARAMS}" | awk '{print $1}')
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}
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# Not used
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# function teardown_file() {
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# }
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@test "testing tls: DH Parameters - Verify integrity of Default (ffdhe4096)" {
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# Reference used (22/04/2020):
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# https://english.ncsc.nl/publications/publications/2019/juni/01/it-security-guidelines-for-transport-layer-security-tls
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run echo "${DH_DEFAULT_CHECKSUM}"
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refute_output '' # checksum must not be empty
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# Verify the FFDHE params file has not been modified (equivalent to `target/shared/ffdhe4096.pem.sha512sum`):
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local DH_MOZILLA_CHECKSUM
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DH_MOZILLA_CHECKSUM=$(curl https://ssl-config.mozilla.org/ffdhe4096.txt -s | sha512sum | awk '{print $1}')
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assert_equal "${DH_DEFAULT_CHECKSUM}" "${DH_MOZILLA_CHECKSUM}"
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}
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@test "testing tls: DH Parameters - Default [ONE_DIR=0]" {
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PRIVATE_CONFIG=$(duplicate_config_for_container . mail_dhparams_default_0)
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DMS_ONE_DIR=0
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common_container_setup
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should_have_valid_checksum "${DH_DEFAULT_CHECKSUM}"
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}
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@test "testing tls: DH Parameters - Default [ONE_DIR=1]" {
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PRIVATE_CONFIG=$(duplicate_config_for_container . mail_dhparams_default_1)
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common_container_setup
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should_have_valid_checksum "${DH_DEFAULT_CHECKSUM}"
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}
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@test "testing tls: DH Parameters - Custom [ONE_DIR=0]" {
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PRIVATE_CONFIG=$(duplicate_config_for_container . mail_dhparams_custom_0)
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# shellcheck disable=SC2030
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DMS_ONE_DIR=0
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cp "${DH_CUSTOM_PARAMS}" "${PRIVATE_CONFIG}/dhparams.pem"
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common_container_setup
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should_have_valid_checksum "${DH_CUSTOM_CHECKSUM}"
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should_emit_warning
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}
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@test "testing tls: DH Parameters - Custom [ONE_DIR=1]" {
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# shellcheck disable=SC2030
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PRIVATE_CONFIG=$(duplicate_config_for_container . mail_dhparams_custom_1)
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cp "${DH_CUSTOM_PARAMS}" "${PRIVATE_CONFIG}/dhparams.pem"
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common_container_setup
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should_have_valid_checksum "${DH_CUSTOM_CHECKSUM}"
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should_emit_warning
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}
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function common_container_setup() {
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# shellcheck disable=SC2031
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docker run -d --name mail_dhparams \
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-v "${PRIVATE_CONFIG}:/tmp/docker-mailserver" \
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-v "$(pwd)/test/test-files:/tmp/docker-mailserver-test:ro" \
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-e ONE_DIR="${DMS_ONE_DIR}" \
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-h mail.my-domain.com \
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--tty \
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"${NAME}"
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wait_for_finished_setup_in_container mail_dhparams
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}
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# Ensures the docker image services (Postfix and Dovecot) have the intended DH files
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function should_have_valid_checksum() {
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local DH_CHECKSUM=$1
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local DH_CHECKSUM_DOVECOT
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DH_CHECKSUM_DOVECOT=$(docker exec mail_dhparams sha512sum /etc/dovecot/dh.pem | awk '{print $1}')
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assert_equal "${DH_CHECKSUM_DOVECOT}" "${DH_CHECKSUM}"
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local DH_CHECKSUM_POSTFIX
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DH_CHECKSUM_POSTFIX=$(docker exec mail_dhparams sha512sum /etc/postfix/dhparams.pem | awk '{print $1}')
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assert_equal "${DH_CHECKSUM_POSTFIX}" "${DH_CHECKSUM}"
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}
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function should_emit_warning() {
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run sh -c "docker logs mail_dhparams | grep 'Using self-generated dhparams is considered insecure.'"
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assert_success
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}
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