load 'test_helper/common' function setup_file() { pushd test/docker-openldap/ || return 1 docker build -f Dockerfile -t ldap --no-cache . popd || return 1 export DOMAIN='my-domain.com' export FQDN_MAIL="mail.${DOMAIN}" export FQDN_LDAP="ldap.${DOMAIN}" export FQDN_LOCALHOST_A='localhost.localdomain' export FQDN_LOCALHOST_B='localhost.otherdomain' export DMS_TEST_NETWORK='test-network-ldap' # NOTE: If the network already exists, test will fail to start. docker network create "${DMS_TEST_NETWORK}" docker run -d --name ldap_for_mail \ --env LDAP_DOMAIN="${FQDN_LOCALHOST_A}" \ --network "${DMS_TEST_NETWORK}" \ --network-alias 'ldap' \ --hostname "${FQDN_LDAP}" \ --tty \ ldap # Image name # _setup_ldap uses configomat with .ext files and ENV vars like DOVECOT_TLS with a prefix (eg DOVECOT_ or LDAP_) local PRIVATE_CONFIG PRIVATE_CONFIG=$(duplicate_config_for_container .) docker run -d --name mail_with_ldap \ -v "${PRIVATE_CONFIG}:/tmp/docker-mailserver" \ -v "$(pwd)/test/test-files:/tmp/docker-mailserver-test:ro" \ -e DOVECOT_PASS_FILTER="(&(objectClass=PostfixBookMailAccount)(uniqueIdentifier=%n))" \ -e DOVECOT_TLS=no \ -e DOVECOT_USER_FILTER="(&(objectClass=PostfixBookMailAccount)(uniqueIdentifier=%n))" \ -e ACCOUNT_PROVISIONER=LDAP \ -e PFLOGSUMM_TRIGGER=logrotate \ -e ENABLE_SASLAUTHD=1 \ -e LDAP_BIND_DN=cn=admin,dc=localhost,dc=localdomain \ -e LDAP_BIND_PW=admin \ -e LDAP_QUERY_FILTER_ALIAS="(|(&(mailAlias=%s)(objectClass=PostfixBookMailForward))(&(mailAlias=%s)(objectClass=PostfixBookMailAccount)(mailEnabled=TRUE)))" \ -e LDAP_QUERY_FILTER_DOMAIN="(|(&(mail=*@%s)(objectClass=PostfixBookMailAccount)(mailEnabled=TRUE))(&(mailGroupMember=*@%s)(objectClass=PostfixBookMailAccount)(mailEnabled=TRUE))(&(mailalias=*@%s)(objectClass=PostfixBookMailForward)))" \ -e LDAP_QUERY_FILTER_GROUP="(&(mailGroupMember=%s)(mailEnabled=TRUE))" \ -e LDAP_QUERY_FILTER_SENDERS="(|(&(mail=%s)(mailEnabled=TRUE))(&(mailGroupMember=%s)(mailEnabled=TRUE))(|(&(mailAlias=%s)(objectClass=PostfixBookMailForward))(&(mailAlias=%s)(objectClass=PostfixBookMailAccount)(mailEnabled=TRUE)))(uniqueIdentifier=some.user.id))" \ -e LDAP_QUERY_FILTER_USER="(&(mail=%s)(mailEnabled=TRUE))" \ -e LDAP_START_TLS=no \ -e LDAP_SEARCH_BASE=ou=people,dc=localhost,dc=localdomain \ -e LDAP_SERVER_HOST=ldap \ -e PERMIT_DOCKER=container \ -e POSTMASTER_ADDRESS="postmaster@${FQDN_LOCALHOST_A}" \ -e REPORT_RECIPIENT=1 \ -e SASLAUTHD_MECHANISMS=ldap \ -e SPOOF_PROTECTION=1 \ -e SSL_TYPE='snakeoil' \ --network "${DMS_TEST_NETWORK}" \ --hostname "${FQDN_MAIL}" \ --tty \ "${NAME}" # Image name wait_for_smtp_port_in_container mail_with_ldap } function teardown_file() { docker rm -f ldap_for_mail mail_with_ldap docker network rm "${DMS_TEST_NETWORK}" } # processes @test "checking process: saslauthd (saslauthd server enabled)" { run docker exec mail_with_ldap /bin/bash -c "ps aux --forest | grep -v grep | grep '/usr/sbin/saslauthd'" assert_success } # postfix @test "checking postfix: ldap lookup works correctly" { run docker exec mail_with_ldap /bin/sh -c "postmap -q some.user@${FQDN_LOCALHOST_A} ldap:/etc/postfix/ldap-users.cf" assert_success assert_output "some.user@${FQDN_LOCALHOST_A}" run docker exec mail_with_ldap /bin/sh -c "postmap -q postmaster@${FQDN_LOCALHOST_A} ldap:/etc/postfix/ldap-aliases.cf" assert_success assert_output "some.user@${FQDN_LOCALHOST_A}" run docker exec mail_with_ldap /bin/sh -c "postmap -q employees@${FQDN_LOCALHOST_A} ldap:/etc/postfix/ldap-groups.cf" assert_success assert_output "some.user@${FQDN_LOCALHOST_A}" # Test of the user part of the domain is not the same as the uniqueIdentifier part in the ldap run docker exec mail_with_ldap /bin/sh -c "postmap -q some.user.email@${FQDN_LOCALHOST_A} ldap:/etc/postfix/ldap-users.cf" assert_success assert_output "some.user.email@${FQDN_LOCALHOST_A}" # Test email receiving from a other domain then the primary domain of the mailserver run docker exec mail_with_ldap /bin/sh -c "postmap -q some.other.user@${FQDN_LOCALHOST_B} ldap:/etc/postfix/ldap-users.cf" assert_success assert_output "some.other.user@${FQDN_LOCALHOST_B}" run docker exec mail_with_ldap /bin/sh -c "postmap -q postmaster@${FQDN_LOCALHOST_B} ldap:/etc/postfix/ldap-aliases.cf" assert_success assert_output "some.other.user@${FQDN_LOCALHOST_B}" run docker exec mail_with_ldap /bin/sh -c "postmap -q employees@${FQDN_LOCALHOST_B} ldap:/etc/postfix/ldap-groups.cf" assert_success assert_output "some.other.user@${FQDN_LOCALHOST_B}" } @test "checking postfix: ldap custom config files copied" { run docker exec mail_with_ldap /bin/sh -c "grep '# Testconfig for ldap integration' /etc/postfix/ldap-users.cf" assert_success run docker exec mail_with_ldap /bin/sh -c "grep '# Testconfig for ldap integration' /etc/postfix/ldap-groups.cf" assert_success run docker exec mail_with_ldap /bin/sh -c "grep '# Testconfig for ldap integration' /etc/postfix/ldap-aliases.cf" assert_success } @test "checking postfix: ldap config overwrites success" { run docker exec mail_with_ldap /bin/sh -c "grep 'server_host = ldap' /etc/postfix/ldap-users.cf" assert_success run docker exec mail_with_ldap /bin/sh -c "grep 'start_tls = no' /etc/postfix/ldap-users.cf" assert_success run docker exec mail_with_ldap /bin/sh -c "grep 'search_base = ou=people,dc=localhost,dc=localdomain' /etc/postfix/ldap-users.cf" assert_success run docker exec mail_with_ldap /bin/sh -c "grep 'bind_dn = cn=admin,dc=localhost,dc=localdomain' /etc/postfix/ldap-users.cf" assert_success run docker exec mail_with_ldap /bin/sh -c "grep 'server_host = ldap' /etc/postfix/ldap-groups.cf" assert_success run docker exec mail_with_ldap /bin/sh -c "grep 'start_tls = no' /etc/postfix/ldap-groups.cf" assert_success run docker exec mail_with_ldap /bin/sh -c "grep 'search_base = ou=people,dc=localhost,dc=localdomain' /etc/postfix/ldap-groups.cf" assert_success run docker exec mail_with_ldap /bin/sh -c "grep 'bind_dn = cn=admin,dc=localhost,dc=localdomain' /etc/postfix/ldap-groups.cf" assert_success run docker exec mail_with_ldap /bin/sh -c "grep 'server_host = ldap' /etc/postfix/ldap-aliases.cf" assert_success run docker exec mail_with_ldap /bin/sh -c "grep 'start_tls = no' /etc/postfix/ldap-aliases.cf" assert_success run docker exec mail_with_ldap /bin/sh -c "grep 'search_base = ou=people,dc=localhost,dc=localdomain' /etc/postfix/ldap-aliases.cf" assert_success run docker exec mail_with_ldap /bin/sh -c "grep 'bind_dn = cn=admin,dc=localhost,dc=localdomain' /etc/postfix/ldap-aliases.cf" assert_success } # dovecot @test "checking dovecot: ldap imap connection and authentication works" { run docker exec mail_with_ldap /bin/sh -c "nc -w 1 0.0.0.0 143 < /tmp/docker-mailserver-test/auth/imap-ldap-auth.txt" assert_success } @test "checking dovecot: ldap mail delivery works" { run docker exec mail_with_ldap /bin/sh -c "sendmail -f user@external.tld some.user@${FQDN_LOCALHOST_A} < /tmp/docker-mailserver-test/email-templates/test-email.txt" sleep 10 run docker exec mail_with_ldap /bin/sh -c "ls -A /var/mail/${FQDN_LOCALHOST_A}/some.user/new | wc -l" assert_success assert_output 1 } @test "checking dovecot: ldap mail delivery works for a different domain then the mailserver" { run docker exec mail_with_ldap /bin/sh -c "sendmail -f user@external.tld some.other.user@${FQDN_LOCALHOST_B} < /tmp/docker-mailserver-test/email-templates/test-email.txt" sleep 10 run docker exec mail_with_ldap /bin/sh -c "ls -A /var/mail/${FQDN_LOCALHOST_A}/some.other.user/new | wc -l" assert_success assert_output 1 } @test "checking dovecot: ldap config overwrites success" { run docker exec mail_with_ldap /bin/sh -c "grep 'uris = ldap://ldap' /etc/dovecot/dovecot-ldap.conf.ext" assert_success run docker exec mail_with_ldap /bin/sh -c "grep 'tls = no' /etc/dovecot/dovecot-ldap.conf.ext" assert_success run docker exec mail_with_ldap /bin/sh -c "grep 'base = ou=people,dc=localhost,dc=localdomain' /etc/dovecot/dovecot-ldap.conf.ext" assert_success run docker exec mail_with_ldap /bin/sh -c "grep 'dn = cn=admin,dc=localhost,dc=localdomain' /etc/dovecot/dovecot-ldap.conf.ext" assert_success } @test "checking dovecot: postmaster address" { run docker exec mail_with_ldap /bin/sh -c "grep 'postmaster_address = postmaster@${FQDN_LOCALHOST_A}' /etc/dovecot/conf.d/15-lda.conf" assert_success } @test "checking dovecot: quota plugin is disabled" { run docker exec mail_with_ldap /bin/sh -c "grep '\$mail_plugins quota' /etc/dovecot/conf.d/10-mail.conf" assert_failure run docker exec mail_with_ldap /bin/sh -c "grep '\$mail_plugins imap_quota' /etc/dovecot/conf.d/20-imap.conf" assert_failure run docker exec mail_with_ldap ls /etc/dovecot/conf.d/90-quota.conf assert_failure run docker exec mail_with_ldap ls /etc/dovecot/conf.d/90-quota.conf.disab assert_success } @test "checking postfix: dovecot quota absent in postconf" { run docker exec mail_with_ldap /bin/bash -c "postconf | grep 'check_policy_service inet:localhost:65265'" assert_failure } @test "checking spoofing (with LDAP): rejects sender forging" { wait_for_smtp_port_in_container_to_respond mail_with_ldap run docker exec mail_with_ldap /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/auth/ldap-smtp-auth-spoofed.txt | grep 'Sender address rejected: not owned by user'" assert_success } # ATTENTION: these tests must come after "checking dovecot: ldap mail delivery works" since they will deliver an email which skews the count in said test, leading to failure @test "checking spoofing: accepts sending as alias (with LDAP)" { run docker exec mail_with_ldap /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/auth/ldap-smtp-auth-spoofed-alias.txt | grep 'End data with'" assert_success } @test "checking spoofing: uses senders filter" { run docker exec mail_with_ldap /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/auth/ldap-smtp-auth-spoofed-sender-with-filter-exception.txt | grep 'End data with'" assert_success } # saslauthd @test "checking saslauthd: sasl ldap authentication works" { run docker exec mail_with_ldap bash -c "testsaslauthd -u some.user -p secret" assert_success } @test "checking saslauthd: ldap smtp authentication" { run docker exec mail_with_ldap /bin/sh -c "nc -w 5 0.0.0.0 25 < /tmp/docker-mailserver-test/auth/sasl-ldap-smtp-auth.txt | grep 'Authentication successful'" assert_success run docker exec mail_with_ldap /bin/sh -c "openssl s_client -quiet -connect 0.0.0.0:465 < /tmp/docker-mailserver-test/auth/sasl-ldap-smtp-auth.txt | grep 'Authentication successful'" assert_success run docker exec mail_with_ldap /bin/sh -c "openssl s_client -quiet -starttls smtp -connect 0.0.0.0:587 < /tmp/docker-mailserver-test/auth/sasl-ldap-smtp-auth.txt | grep 'Authentication successful'" assert_success } # # Pflogsumm delivery check # @test "checking pflogsum delivery" { # checking default sender is correctly set when env variable not defined run docker exec mail_with_ldap grep "mailserver-report@${FQDN_MAIL}" /etc/logrotate.d/maillog assert_success # checking default logrotation setup run docker exec mail_with_ldap grep "weekly" /etc/logrotate.d/maillog assert_success } # # supervisor # @test "checking restart of process: saslauthd (saslauthd server enabled)" { run docker exec mail_with_ldap /bin/bash -c "pkill saslauthd && sleep 10 && ps aux --forest | grep -v grep | grep '/usr/sbin/saslauthd'" assert_success }