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https://github.com/docker-mailserver/docker-mailserver.git
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9e81517fe3
See associated `CHANGELOG.md` entry for details. --------- Co-authored-by: Brennan Kinney <5098581+polarathene@users.noreply.github.com>
72 lines
2.8 KiB
Bash
72 lines
2.8 KiB
Bash
load "${REPOSITORY_ROOT}/test/helper/setup"
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load "${REPOSITORY_ROOT}/test/helper/common"
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BATS_TEST_NAME_PREFIX='[Postscreen] '
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CONTAINER1_NAME='dms-test_postscreen_enforce'
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CONTAINER2_NAME='dms-test_postscreen_sender'
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function setup() {
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CONTAINER1_IP=$(_get_container_ip "${CONTAINER1_NAME}")
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}
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function setup_file() {
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export CONTAINER_NAME
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CONTAINER_NAME=${CONTAINER1_NAME}
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local CUSTOM_SETUP_ARGUMENTS=(
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--env POSTSCREEN_ACTION=enforce
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)
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_init_with_defaults
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_common_container_setup 'CUSTOM_SETUP_ARGUMENTS'
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_wait_for_smtp_port_in_container
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# A standard DMS instance to send mail from:
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# NOTE: None of DMS is actually used for this (just bash + nc).
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CONTAINER_NAME=${CONTAINER2_NAME}
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_init_with_defaults
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# No need to wait for DMS to be ready for this container:
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_common_container_create
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run docker start "${CONTAINER_NAME}"
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assert_success
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# Set default implicit container fallback for helpers:
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CONTAINER_NAME=${CONTAINER1_NAME}
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}
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function teardown_file() {
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docker rm -f "${CONTAINER1_NAME}" "${CONTAINER2_NAME}"
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}
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# `POSTSCREEN_ACTION=enforce` (DMS default) should reject delivery with a 550 SMTP reply
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# A legitimate mail client should speak SMTP by waiting it's turn, which postscreen defaults enforce (only on port 25)
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# https://www.postfix.org/postconf.5.html#postscreen_greet_wait
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#
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# Use `nc` to send all SMTP commands at once instead (emulate a misbehaving client that should be rejected)
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# NOTE: Postscreen only runs on port 25, avoid implicit ports in test methods
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@test 'should fail send when talking out of turn' {
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CONTAINER_NAME=${CONTAINER2_NAME} _nc_wrapper 'emails/nc_raw/postscreen' "${CONTAINER1_IP} 25"
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# Expected postscreen log entry:
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assert_output --partial 'Protocol error'
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_run_in_container cat /var/log/mail.log
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assert_output --partial 'COMMAND PIPELINING'
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assert_output --partial 'DATA without valid RCPT'
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}
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@test "should successfully pass postscreen and get postfix greeting message (respecting postscreen_greet_wait time)" {
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# Configure `send_email()` to send from the mail client container (CONTAINER2_NAME) via ENV override,
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# mail is sent to the DMS server container (CONTAINER1_NAME) via `--server` parameter:
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CONTAINER_NAME=${CONTAINER2_NAME} _send_email --server "${CONTAINER1_IP}" --port 25 --data 'postscreen'
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# NOTE: Cannot assert_success due to sender address not being resolvable.
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# TODO: Uncomment when proper resolution of domain names is possible:
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# assert_success
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# TODO: Prefer this approach when `_send_email_and_get_id()` can support separate client and server containers:
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# local MAIL_ID=$(_send_email_and_get_id --port 25 --data 'postscreen')
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# _print_mail_log_for_id "${MAIL_ID}"
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# assert_output --partial "stored mail into mailbox 'INBOX'"
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_run_in_container cat /var/log/mail.log
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assert_output --partial 'PASS NEW'
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}
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