90 lines
4.2 KiB
Bash
90 lines
4.2 KiB
Bash
load 'test_helper/common'
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NON_DEFAULT_DOCKER_MAIL_NETWORK_NAME=non-default-docker-mail-network
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setup_file() {
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docker network create --driver bridge "${NON_DEFAULT_DOCKER_MAIL_NETWORK_NAME}"
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docker network create --driver bridge "${NON_DEFAULT_DOCKER_MAIL_NETWORK_NAME}2"
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# use two networks (default ("bridge") and our custom network) to recreate problematic test case where PERMIT_DOCKER=host would not help
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# currently we cannot use --network in `docker run` multiple times, it will just use the last one
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# instead we need to use create, network connect and start (see https://success.docker.com/article/multiple-docker-networks)
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local PRIVATE_CONFIG
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PRIVATE_CONFIG=$(duplicate_config_for_container . mail_smtponly_second_network)
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docker create --name mail_smtponly_second_network \
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-v "${PRIVATE_CONFIG}":/tmp/docker-mailserver \
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-v "$(pwd)/test/test-files":/tmp/docker-mailserver-test:ro \
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-e SMTP_ONLY=1 \
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-e PERMIT_DOCKER=connected-networks \
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-e OVERRIDE_HOSTNAME=mail.my-domain.com \
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--network "${NON_DEFAULT_DOCKER_MAIL_NETWORK_NAME}" \
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-t "${NAME}"
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docker network connect "${NON_DEFAULT_DOCKER_MAIL_NETWORK_NAME}2" mail_smtponly_second_network
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docker start mail_smtponly_second_network
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PRIVATE_CONFIG=$(duplicate_config_for_container . mail_smtponly_second_network_sender)
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docker run -d --name mail_smtponly_second_network_sender \
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-v "${PRIVATE_CONFIG}":/tmp/docker-mailserver \
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-v "$(pwd)/test/test-files":/tmp/docker-mailserver-test:ro \
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-e SMTP_ONLY=1 \
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-e PERMIT_DOCKER=connected-networks \
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-e OVERRIDE_HOSTNAME=mail.my-domain.com \
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--network "${NON_DEFAULT_DOCKER_MAIL_NETWORK_NAME}2" \
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-t "${NAME}"
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# wait until postfix is up
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wait_for_smtp_port_in_container mail_smtponly_second_network
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# create another container that enforces authentication even on local connections
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docker run -d --name mail_smtponly_force_authentication \
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-v "${PRIVATE_CONFIG}":/tmp/docker-mailserver \
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-v "$(pwd)/test/test-files":/tmp/docker-mailserver-test:ro \
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-e SMTP_ONLY=1 \
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-e PERMIT_DOCKER=none \
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-e OVERRIDE_HOSTNAME=mail.my-domain.com \
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-t "${NAME}"
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# wait until postfix is up
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wait_for_smtp_port_in_container mail_smtponly_force_authentication
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}
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teardown_file() {
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docker logs mail_smtponly_second_network
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docker rm -f mail_smtponly_second_network mail_smtponly_second_network_sender mail_smtponly_force_authentication
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docker network rm "${NON_DEFAULT_DOCKER_MAIL_NETWORK_NAME}" "${NON_DEFAULT_DOCKER_MAIL_NETWORK_NAME}2"
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}
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@test "checking PERMIT_DOCKER: connected-networks" {
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IPNET1=$(docker network inspect --format '{{(index .IPAM.Config 0).Subnet}}' non-default-docker-mail-network)
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IPNET2=$(docker network inspect --format '{{(index .IPAM.Config 0).Subnet}}' non-default-docker-mail-network2)
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run docker exec mail_smtponly_second_network /bin/sh -c "postconf | grep '^mynetworks ='"
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assert_output --partial "${IPNET1}"
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assert_output --partial "${IPNET2}"
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run docker exec mail_smtponly_second_network /bin/sh -c "postconf -e smtp_host_lookup=no"
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assert_success
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run docker exec mail_smtponly_second_network /bin/sh -c "/etc/init.d/postfix reload"
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assert_success
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# we should be able to send from the other container on the second network!
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run docker exec mail_smtponly_second_network_sender /bin/sh -c "nc mail_smtponly_second_network 25 < /tmp/docker-mailserver-test/email-templates/smtp-only.txt"
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assert_output --partial "250 2.0.0 Ok: queued as "
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repeat_until_success_or_timeout 60 run docker exec mail_smtponly_second_network /bin/sh -c 'grep -cE "to=<user2\@external.tld>.*status\=sent" /var/log/mail/mail.log'
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[[ ${status} -ge 0 ]]
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}
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@test "checking PERMIT_DOCKER: none" {
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run docker exec mail_smtponly_force_authentication /bin/sh -c "postconf -e smtp_host_lookup=no"
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assert_success
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run docker exec mail_smtponly_force_authentication /bin/sh -c "/etc/init.d/postfix reload"
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assert_success
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# the mailserver should require authentication and a protocol error should occur when using TLS
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run docker exec mail_smtponly_force_authentication /bin/sh -c "nc localhost 25 < /tmp/docker-mailserver-test/email-templates/smtp-only.txt"
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assert_output --partial "550 5.5.1 Protocol error"
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[[ ${status} -ge 0 ]]
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}
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