2305 lines
80 KiB
Bash
Executable File
2305 lines
80 KiB
Bash
Executable File
#! /bin/bash
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##########################################################################
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# >> SETUP DEFAULT VALUES
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##########################################################################
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DOVECOT_MAILBOX_FORMAT="${DOVECOT_MAILBOX_FORMAT:=maildir}"
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DOVECOT_TLS="${DOVECOT_TLS:=no}"
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ENABLE_CLAMAV="${ENABLE_CLAMAV:=0}"
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ENABLE_FAIL2BAN="${ENABLE_FAIL2BAN:=0}"
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ENABLE_FETCHMAIL="${ENABLE_FETCHMAIL:=0}"
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ENABLE_LDAP="${ENABLE_LDAP:=0}"
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ENABLE_MANAGESIEVE="${ENABLE_MANAGESIEVE:=0}"
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ENABLE_POP3="${ENABLE_POP3:=0}"
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ENABLE_POSTGREY="${ENABLE_POSTGREY:=0}"
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ENABLE_QUOTAS="${ENABLE_QUOTAS:=1}"
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ENABLE_SASLAUTHD="${ENABLE_SASLAUTHD:=0}"
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ENABLE_SPAMASSASSIN="${ENABLE_SPAMASSASSIN:=0}"
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ENABLE_SRS="${ENABLE_SRS:=0}"
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FETCHMAIL_POLL="${FETCHMAIL_POLL:=300}"
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FETCHMAIL_PARALLEL="${FETCHMAIL_PARALLEL:=0}"
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LDAP_START_TLS="${LDAP_START_TLS:=no}"
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LOGROTATE_INTERVAL="${LOGROTATE_INTERVAL:=${REPORT_INTERVAL:-daily}}"
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LOGWATCH_INTERVAL="${LOGWATCH_INTERVAL:=none}"
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MOVE_SPAM_TO_JUNK="${MOVE_SPAM_TO_JUNK:=1}"
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NETWORK_INTERFACE="${NETWORK_INTERFACE:=eth0}"
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ONE_DIR="${ONE_DIR:=0}"
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OVERRIDE_HOSTNAME="${OVERRIDE_HOSTNAME}"
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POSTGREY_AUTO_WHITELIST_CLIENTS="${POSTGREY_AUTO_WHITELIST_CLIENTS:=5}"
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POSTGREY_DELAY="${POSTGREY_DELAY:=300}"
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POSTGREY_MAX_AGE="${POSTGREY_MAX_AGE:=35}"
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POSTGREY_TEXT="${POSTGREY_TEXT:=Delayed by Postgrey}"
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POSTFIX_INET_PROTOCOLS="${POSTFIX_INET_PROTOCOLS:=all}"
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POSTFIX_MAILBOX_SIZE_LIMIT="${POSTFIX_MAILBOX_SIZE_LIMIT:=0}" # no limit by default
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POSTFIX_MESSAGE_SIZE_LIMIT="${POSTFIX_MESSAGE_SIZE_LIMIT:=10240000}" # ~10 MB by default
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POSTSCREEN_ACTION="${POSTSCREEN_ACTION:=enforce}"
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REPORT_RECIPIENT="${REPORT_RECIPIENT:="0"}"
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SMTP_ONLY="${SMTP_ONLY:=0}"
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SPAMASSASSIN_SPAM_TO_INBOX_IS_SET="$( if [[ -n ${SPAMASSASSIN_SPAM_TO_INBOX+'set'} ]]; then echo true ; else echo false ; fi )"
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SPAMASSASSIN_SPAM_TO_INBOX="${SPAMASSASSIN_SPAM_TO_INBOX:=0}"
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SPOOF_PROTECTION="${SPOOF_PROTECTION:=0}"
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SRS_SENDER_CLASSES="${SRS_SENDER_CLASSES:=envelope_sender}"
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SSL_TYPE="${SSL_TYPE:=}"
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SUPERVISOR_LOGLEVEL="${SUPERVISOR_LOGLEVEL:=warn}"
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TLS_LEVEL="${TLS_LEVEL:=modern}"
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VIRUSMAILS_DELETE_DELAY="${VIRUSMAILS_DELETE_DELAY:=7}"
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##########################################################################
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# >> GLOBAL VARIABLES
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##########################################################################
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HOSTNAME="$(hostname -f)"
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DOMAINNAME="$(hostname -d)"
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CHKSUM_FILE=/tmp/docker-mailserver-config-chksum
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##########################################################################
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# >> REGISTER FUNCTIONS
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#
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# Add your new functions/methods here.
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#
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# NOTE: Position matters when registering a function in stacks.
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# First in First out
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#
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# Execution Logic:
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# > check functions
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# > setup functions
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# > fix functions
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# > misc functions
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# > start-daemons
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#
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# Example:
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#
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# if [[ CONDITION IS MET ]]
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# then
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# _register_{setup,fix,check,start}_{functions,daemons} "${FUNCNAME}"
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# fi
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#
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# Implement them in the section-group: {check, setup, fix, start}
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#
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##########################################################################
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function register_functions
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{
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_notify 'tasklog' 'Initializing setup'
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_notify 'task' 'Registering check, setup, fix, misc and start-daemons functions'
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################### >> check funcs
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_register_check_function "_check_hostname"
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################### >> setup funcs
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_register_setup_function "_setup_supervisor"
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_register_setup_function "_setup_default_vars"
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_register_setup_function "_setup_file_permissions"
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if [[ ${SMTP_ONLY} -ne 1 ]]
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then
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_register_setup_function "_setup_dovecot"
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_register_setup_function "_setup_dovecot_dhparam"
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_register_setup_function "_setup_dovecot_quota"
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_register_setup_function "_setup_dovecot_local_user"
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fi
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[[ ${ENABLE_LDAP} -eq 1 ]] && _register_setup_function "_setup_ldap"
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[[ ${ENABLE_SASLAUTHD} -eq 1 ]] && _register_setup_function "_setup_saslauthd"
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[[ ${ENABLE_POSTGREY} -eq 1 ]] && _register_setup_function "_setup_postgrey"
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_register_setup_function "_setup_dkim"
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_register_setup_function "_setup_ssl"
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[[ ${POSTFIX_INET_PROTOCOLS} != "all" ]] && _register_setup_function "_setup_inet_protocols"
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_register_setup_function "_setup_docker_permit"
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_register_setup_function "_setup_mailname"
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_register_setup_function "_setup_amavis"
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_register_setup_function "_setup_dmarc_hostname"
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_register_setup_function "_setup_postfix_hostname"
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_register_setup_function "_setup_dovecot_hostname"
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_register_setup_function "_setup_postfix_smtputf8"
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_register_setup_function "_setup_postfix_sasl"
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_register_setup_function "_setup_postfix_sasl_password"
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_register_setup_function "_setup_security_stack"
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_register_setup_function "_setup_postfix_aliases"
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_register_setup_function "_setup_postfix_vhost"
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_register_setup_function "_setup_postfix_dhparam"
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_register_setup_function "_setup_postfix_postscreen"
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_register_setup_function "_setup_postfix_sizelimits"
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# needs to come after _setup_postfix_aliases
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[[ ${SPOOF_PROTECTION} -eq 1 ]] && _register_setup_function "_setup_spoof_protection"
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if [[ ${ENABLE_SRS} -eq 1 ]]
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then
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_register_setup_function "_setup_SRS"
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_register_start_daemon "_start_daemons_postsrsd"
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fi
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_register_setup_function "_setup_postfix_access_control"
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[[ -n ${DEFAULT_RELAY_HOST:-''} ]] && _register_setup_function "_setup_postfix_default_relay_host"
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[[ -n ${RELAY_HOST:-''} ]] && _register_setup_function "_setup_postfix_relay_hosts"
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[[ ${ENABLE_POSTFIX_VIRTUAL_TRANSPORT:-0} -eq 1 ]] && _register_setup_function "_setup_postfix_virtual_transport"
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_register_setup_function "_setup_postfix_override_configuration"
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_register_setup_function "_setup_environment"
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_register_setup_function "_setup_logrotate"
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_register_setup_function "_setup_mail_summary"
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_register_setup_function "_setup_logwatch"
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_register_setup_function "_setup_user_patches"
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# compute last as the config files are modified in-place
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_register_setup_function "_setup_chksum_file"
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################### >> fix funcs
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_register_fix_function "_fix_var_mail_permissions"
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_register_fix_function "_fix_var_amavis_permissions"
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[[ ${ENABLE_CLAMAV} -eq 0 ]] && _register_fix_function "_fix_cleanup_clamav"
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[[ ${ENABLE_SPAMASSASSIN} -eq 0 ]] && _register_fix_function "_fix_cleanup_spamassassin"
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################### >> misc funcs
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_register_misc_function "_misc_save_states"
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################### >> daemon funcs
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_register_start_daemon "_start_daemons_cron"
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_register_start_daemon "_start_daemons_rsyslog"
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[[ ${SMTP_ONLY} -ne 1 ]] && _register_start_daemon "_start_daemons_dovecot"
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# needs to be started before saslauthd
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_register_start_daemon "_start_daemons_opendkim"
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_register_start_daemon "_start_daemons_opendmarc"
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#postfix uses postgrey, needs to be started before postfix
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[[ ${ENABLE_POSTGREY} -eq 1 ]] && _register_start_daemon "_start_daemons_postgrey"
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_register_start_daemon "_start_daemons_postfix"
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[[ ${ENABLE_SASLAUTHD} -eq 1 ]] && _register_start_daemon "_start_daemons_saslauthd"
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# care :: needs to run after postfix
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[[ ${ENABLE_FAIL2BAN} -eq 1 ]] && _register_start_daemon "_start_daemons_fail2ban"
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[[ ${ENABLE_FETCHMAIL} -eq 1 ]] && _register_start_daemon "_start_daemons_fetchmail"
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[[ ${ENABLE_CLAMAV} -eq 1 ]] && _register_start_daemon "_start_daemons_clamav"
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[[ ${ENABLE_LDAP} -eq 0 ]] && _register_start_daemon "_start_changedetector"
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_register_start_daemon "_start_daemons_amavis"
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}
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##########################################################################
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# << REGISTER FUNCTIONS
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##########################################################################
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# ! ––––––––––––––––––––––––––––––––––––––––––––––
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# ! ––– CARE – BEGIN –––––––––––––––––––––––––––––
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# ! ––––––––––––––––––––––––––––––––––––––––––––––
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##########################################################################
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# >> CONSTANTS
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##########################################################################
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declare -a FUNCS_SETUP
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declare -a FUNCS_FIX
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declare -a FUNCS_CHECK
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declare -a FUNCS_MISC
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declare -a DAEMONS_START
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##########################################################################
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# << CONSTANTS
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##########################################################################
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##########################################################################
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# >> protected register_functions
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##########################################################################
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function _register_start_daemon
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{
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DAEMONS_START+=("${1}")
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_notify 'inf' "${1}() registered"
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}
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function _register_setup_function
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{
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FUNCS_SETUP+=("${1}")
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_notify 'inf' "${1}() registered"
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}
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function _register_fix_function
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{
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FUNCS_FIX+=("${1}")
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_notify 'inf' "${1}() registered"
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}
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function _register_check_function
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{
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FUNCS_CHECK+=("${1}")
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_notify 'inf' "${1}() registered"
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}
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function _register_misc_function
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{
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FUNCS_MISC+=("${1}")
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_notify 'inf' "${1}() registered"
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}
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##########################################################################
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# << protected register_functions
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##########################################################################
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function _defunc
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{
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_notify 'fatal' "Please fix your configuration. Exiting..."
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exit 1
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}
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function display_startup_daemon
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{
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${1} &>/dev/null
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local RES=${?}
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if [[ ${DMS_DEBUG} -eq 1 ]]
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then
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if [[ ${RES} -eq 0 ]]
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then
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_notify 'inf' " OK"
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else
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_notify 'err' " STARTUP FAILED"
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fi
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fi
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return "${RES}"
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}
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# ! ––––––––––––––––––––––––––––––––––––––––––––––
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# ! ––– CARE – END –––––––––––––––––––––––––––––––
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# ! ––––––––––––––––––––––––––––––––––––––––––––––
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##########################################################################
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# >> Check Stack
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#
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# Description: Place functions for initial check of container sanity
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##########################################################################
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function check
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{
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_notify 'tasklog' 'Checking configuration'
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for FUNC in "${FUNCS_CHECK[@]}"
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do
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if ! ${FUNC}
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then
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_defunc
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fi
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done
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}
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function _check_hostname
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{
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_notify "task" "Check that hostname/domainname is provided or overridden [in ${FUNCNAME[0]}]"
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if [[ -n ${OVERRIDE_HOSTNAME} ]]
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then
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export HOSTNAME=${OVERRIDE_HOSTNAME}
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export DOMAINNAME="${HOSTNAME#*.}"
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fi
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_notify 'inf' "Domain has been set to ${DOMAINNAME}"
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_notify 'inf' "Hostname has been set to ${HOSTNAME}"
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if ! grep -q -E '^(\S+[.]\S+)$' <<< "${HOSTNAME}"
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then
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_notify 'err' "Setting hostname/domainname is required"
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kill "$(< /var/run/supervisord.pid)" && return 1
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fi
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}
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##########################################################################
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# << Check Stack
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##########################################################################
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##########################################################################
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# >> Setup Stack
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#
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# Description: Place functions for functional configurations here
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##########################################################################
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function setup
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{
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_notify 'tasklog' 'Configuring mail server'
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for FUNC in "${FUNCS_SETUP[@]}"
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do
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${FUNC}
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done
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}
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function _setup_supervisor
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{
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if ! grep -q "loglevel = ${SUPERVISOR_LOGLEVEL}" /etc/supervisor/supervisord.conf
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then
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case ${SUPERVISOR_LOGLEVEL} in
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critical | error | warn | info | debug )
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sed -i -E \
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"s+loglevel.*+loglevel = ${SUPERVISOR_LOGLEVEL}+g" \
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/etc/supervisor/supervisord.conf
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;;
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* )
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_notify 'error' \
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"SUPERVISOR_LOGLEVEL value '${SUPERVISOR_LOGLEVEL}' unknown. Defaulting to 'warn'"
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sed -i -E \
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"s+loglevel.*+loglevel = warn+g" \
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/etc/supervisor/supervisord.conf
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;;
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esac
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supervisorctl reload
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fi
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}
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function _setup_default_vars
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{
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_notify 'task' "Setting up default variables"
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# update POSTMASTER_ADDRESS - must be done done after _check_hostname
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POSTMASTER_ADDRESS="${POSTMASTER_ADDRESS:="postmaster@${DOMAINNAME}"}"
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# update REPORT_SENDER - must be done done after _check_hostname
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REPORT_SENDER="${REPORT_SENDER:="mailserver-report@${HOSTNAME}"}"
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PFLOGSUMM_SENDER="${PFLOGSUMM_SENDER:=${REPORT_SENDER}}"
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# set PFLOGSUMM_TRIGGER here for backwards compatibility
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# when REPORT_RECIPIENT is on the old method should be used
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# ! needs to be a string comparison
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if [[ ${REPORT_RECIPIENT} == "0" ]]
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then
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PFLOGSUMM_TRIGGER="${PFLOGSUMM_TRIGGER:=none}"
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else
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PFLOGSUMM_TRIGGER="${PFLOGSUMM_TRIGGER:=logrotate}"
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fi
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|
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# expand address to simplify the rest of the script
|
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if [[ ${REPORT_RECIPIENT} == "0" ]] || [[ ${REPORT_RECIPIENT} == "0" ]]
|
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then
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REPORT_RECIPIENT="${POSTMASTER_ADDRESS}"
|
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REPORT_RECIPIENT="${REPORT_RECIPIENT}"
|
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fi
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|
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PFLOGSUMM_RECIPIENT="${PFLOGSUMM_RECIPIENT:=${REPORT_RECIPIENT}}"
|
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LOGWATCH_RECIPIENT="${LOGWATCH_RECIPIENT:=${REPORT_RECIPIENT}}"
|
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|
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{
|
||
echo "export DOVECOT_MAILBOX_FORMAT='${DOVECOT_MAILBOX_FORMAT}'"
|
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echo "export DOVECOT_TLS='${DOVECOT_TLS}'"
|
||
echo "export ENABLE_CLAMAV='${ENABLE_CLAMAV}'"
|
||
echo "export ENABLE_FAIL2BAN='${ENABLE_FAIL2BAN}'"
|
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echo "export ENABLE_FETCHMAIL='${ENABLE_FETCHMAIL}'"
|
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echo "export ENABLE_LDAP='${ENABLE_LDAP}'"
|
||
echo "export ENABLE_MANAGESIEVE='${ENABLE_MANAGESIEVE}'"
|
||
echo "export ENABLE_POP3='${ENABLE_POP3}'"
|
||
echo "export ENABLE_POSTGREY='${ENABLE_POSTGREY}'"
|
||
echo "export ENABLE_QUOTAS='${ENABLE_QUOTAS}'"
|
||
echo "export ENABLE_SASLAUTHD='${ENABLE_SASLAUTHD}'"
|
||
echo "export ENABLE_SPAMASSASSIN='${ENABLE_SPAMASSASSIN}'"
|
||
echo "export ENABLE_SRS='${ENABLE_SRS}'"
|
||
echo "export FETCHMAIL_POLL='${FETCHMAIL_POLL}'"
|
||
echo "export FETCHMAIL_PARALLEL='${FETCHMAIL_PARALLEL}'"
|
||
echo "export LDAP_START_TLS='${LDAP_START_TLS}'"
|
||
echo "export LOGROTATE_INTERVAL='${LOGROTATE_INTERVAL}'"
|
||
echo "export LOGWATCH_INTERVAL='${LOGWATCH_INTERVAL}'"
|
||
echo "export LOGWATCH_RECIPIENT='${LOGWATCH_RECIPIENT}'"
|
||
echo "export MOVE_SPAM_TO_JUNK='${MOVE_SPAM_TO_JUNK}'"
|
||
echo "export NETWORK_INTERFACE='${NETWORK_INTERFACE}'"
|
||
echo "export ONE_DIR='${ONE_DIR}'"
|
||
echo "export OVERRIDE_HOSTNAME='${OVERRIDE_HOSTNAME}'"
|
||
echo "export PFLOGSUMM_SENDER='${PFLOGSUMM_SENDER}'"
|
||
echo "export PFLOGSUMM_TRIGGER='${PFLOGSUMM_TRIGGER}'"
|
||
echo "export PFLOGSUMM_RECIPIENT='${PFLOGSUMM_RECIPIENT}'"
|
||
echo "export POSTFIX_INET_PROTOCOLS='${POSTFIX_INET_PROTOCOLS}'"
|
||
echo "export POSTFIX_MAILBOX_SIZE_LIMIT='${POSTFIX_MAILBOX_SIZE_LIMIT}'"
|
||
echo "export POSTFIX_MESSAGE_SIZE_LIMIT='${POSTFIX_MESSAGE_SIZE_LIMIT}'"
|
||
echo "export POSTGREY_AUTO_WHITELIST_CLIENTS='${POSTGREY_AUTO_WHITELIST_CLIENTS}'"
|
||
echo "export POSTGREY_DELAY='${POSTGREY_DELAY}'"
|
||
echo "export POSTGREY_MAX_AGE='${POSTGREY_MAX_AGE}'"
|
||
echo "export POSTGREY_TEXT='${POSTGREY_TEXT}'"
|
||
echo "export POSTMASTER_ADDRESS='${POSTMASTER_ADDRESS}'"
|
||
echo "export POSTSCREEN_ACTION='${POSTSCREEN_ACTION}'"
|
||
echo "export REPORT_SENDER='${REPORT_SENDER}'"
|
||
echo "export REPORT_RECIPIENT='${REPORT_RECIPIENT}'"
|
||
echo "export SMTP_ONLY='${SMTP_ONLY}'"
|
||
echo "export SPAMASSASSIN_SPAM_TO_INBOX='${SPAMASSASSIN_SPAM_TO_INBOX}'"
|
||
echo "export SPOOF_PROTECTION='${SPOOF_PROTECTION}'"
|
||
echo "export SRS_SENDER_CLASSES='${SRS_SENDER_CLASSES}'"
|
||
echo "export SSL_TYPE='${SSL_TYPE}'"
|
||
echo "export SUPERVISOR_LOGLEVEL='${SUPERVISOR_LOGLEVEL}'"
|
||
echo "export TLS_LEVEL='${TLS_LEVEL}'"
|
||
echo "export VIRUSMAILS_DELETE_DELAY='${VIRUSMAILS_DELETE_DELAY}'"
|
||
echo "export DMS_DEBUG='${DMS_DEBUG}'"
|
||
} >>/root/.bashrc
|
||
}
|
||
|
||
# File/folder permissions are fine when using docker volumes, but may be wrong
|
||
# when file system folders are mounted into the container.
|
||
# Set the expected values and create missing folders/files just in case.
|
||
function _setup_file_permissions
|
||
{
|
||
_notify 'task' "Setting file/folder permissions"
|
||
|
||
mkdir -p /var/log/supervisor
|
||
|
||
mkdir -p /var/log/mail
|
||
chown syslog:root /var/log/mail
|
||
|
||
touch /var/log/mail/clamav.log
|
||
chown clamav:adm /var/log/mail/clamav.log
|
||
chmod 640 /var/log/mail/clamav.log
|
||
|
||
touch /var/log/mail/freshclam.log
|
||
chown clamav:adm /var/log/mail/freshclam.log
|
||
chmod 640 /var/log/mail/freshclam.log
|
||
}
|
||
|
||
function _setup_chksum_file
|
||
{
|
||
_notify 'task' "Setting up configuration checksum file"
|
||
|
||
if [[ -d /tmp/docker-mailserver ]]
|
||
then
|
||
_notify 'inf' "Creating ${CHKSUM_FILE}"
|
||
_monitored_files_checksums >"${CHKSUM_FILE}"
|
||
else
|
||
# We could just skip the file, but perhaps config can be added later?
|
||
# If so it must be processed by the check for changes script
|
||
_notify 'inf' "Creating empty ${CHKSUM_FILE} (no config)"
|
||
touch "${CHKSUM_FILE}"
|
||
fi
|
||
}
|
||
|
||
function _setup_mailname
|
||
{
|
||
_notify 'task' 'Setting up Mailname'
|
||
|
||
_notify 'inf' "Creating /etc/mailname"
|
||
echo "${DOMAINNAME}" > /etc/mailname
|
||
}
|
||
|
||
function _setup_amavis
|
||
{
|
||
_notify 'task' 'Setting up Amavis'
|
||
|
||
_notify 'inf' "Applying hostname to /etc/amavis/conf.d/05-node_id"
|
||
# shellcheck disable=SC2016
|
||
sed -i 's/^#\$myhostname = "mail.example.com";/\$myhostname = "'"${HOSTNAME}"'";/' /etc/amavis/conf.d/05-node_id
|
||
}
|
||
|
||
function _setup_dmarc_hostname
|
||
{
|
||
_notify 'task' 'Setting up dmarc'
|
||
|
||
_notify 'inf' "Applying hostname to /etc/opendmarc.conf"
|
||
sed -i -e 's/^AuthservID.*$/AuthservID '"${HOSTNAME}"'/g' \
|
||
-e 's/^TrustedAuthservIDs.*$/TrustedAuthservIDs '"${HOSTNAME}"'/g' /etc/opendmarc.conf
|
||
}
|
||
|
||
function _setup_postfix_hostname
|
||
{
|
||
_notify 'task' 'Applying hostname and domainname to Postfix'
|
||
|
||
_notify 'inf' "Applying hostname to /etc/postfix/main.cf"
|
||
postconf -e "myhostname = ${HOSTNAME}"
|
||
postconf -e "mydomain = ${DOMAINNAME}"
|
||
}
|
||
|
||
function _setup_dovecot_hostname
|
||
{
|
||
_notify 'task' 'Applying hostname to Dovecot'
|
||
|
||
_notify 'inf' "Applying hostname to /etc/dovecot/conf.d/15-lda.conf"
|
||
sed -i 's/^#hostname =.*$/hostname = '"${HOSTNAME}"'/g' /etc/dovecot/conf.d/15-lda.conf
|
||
}
|
||
|
||
function _setup_dovecot
|
||
{
|
||
_notify 'task' 'Setting up Dovecot'
|
||
|
||
# moved from docker file, copy or generate default self-signed cert
|
||
if [[ -f /var/mail-state/lib-dovecot/dovecot.pem ]] && [[ ${ONE_DIR} -eq 1 ]]
|
||
then
|
||
_notify 'inf' "Copying default dovecot cert"
|
||
cp /var/mail-state/lib-dovecot/dovecot.key /etc/dovecot/ssl/
|
||
cp /var/mail-state/lib-dovecot/dovecot.pem /etc/dovecot/ssl/
|
||
fi
|
||
|
||
if [[ ! -f /etc/dovecot/ssl/dovecot.pem ]]
|
||
then
|
||
_notify 'inf' "Generating default dovecot cert"
|
||
|
||
pushd /usr/share/dovecot || return 1
|
||
./mkcert.sh
|
||
popd || return 1
|
||
|
||
if [[ ${ONE_DIR} -eq 1 ]]
|
||
then
|
||
mkdir -p /var/mail-state/lib-dovecot
|
||
cp /etc/dovecot/ssl/dovecot.key /var/mail-state/lib-dovecot/
|
||
cp /etc/dovecot/ssl/dovecot.pem /var/mail-state/lib-dovecot/
|
||
fi
|
||
fi
|
||
|
||
cp -a /usr/share/dovecot/protocols.d /etc/dovecot/
|
||
# disable pop3 (it will be eventually enabled later in the script, if requested)
|
||
mv /etc/dovecot/protocols.d/pop3d.protocol /etc/dovecot/protocols.d/pop3d.protocol.disab
|
||
mv /etc/dovecot/protocols.d/managesieved.protocol /etc/dovecot/protocols.d/managesieved.protocol.disab
|
||
sed -i -e 's/#ssl = yes/ssl = yes/g' /etc/dovecot/conf.d/10-master.conf
|
||
sed -i -e 's/#port = 993/port = 993/g' /etc/dovecot/conf.d/10-master.conf
|
||
sed -i -e 's/#port = 995/port = 995/g' /etc/dovecot/conf.d/10-master.conf
|
||
sed -i -e 's/#ssl = yes/ssl = required/g' /etc/dovecot/conf.d/10-ssl.conf
|
||
sed -i 's/^postmaster_address = .*$/postmaster_address = '"${POSTMASTER_ADDRESS}"'/g' /etc/dovecot/conf.d/15-lda.conf
|
||
|
||
# set mail_location according to mailbox format
|
||
case "${DOVECOT_MAILBOX_FORMAT}" in
|
||
sdbox|mdbox )
|
||
_notify 'inf' "Dovecot ${DOVECOT_MAILBOX_FORMAT} format configured"
|
||
sed -i -e 's/^mail_location = .*$/mail_location = '"${DOVECOT_MAILBOX_FORMAT}"':\/var\/mail\/%d\/%n/g' /etc/dovecot/conf.d/10-mail.conf
|
||
|
||
_notify 'inf' "Enabling cron job for dbox purge"
|
||
mv /etc/cron.d/dovecot-purge.disabled /etc/cron.d/dovecot-purge
|
||
chmod 644 /etc/cron.d/dovecot-purge
|
||
;;
|
||
* )
|
||
_notify 'inf' "Dovecot maildir format configured (default)"
|
||
sed -i -e 's/^mail_location = .*$/mail_location = maildir:\/var\/mail\/%d\/%n/g' /etc/dovecot/conf.d/10-mail.conf
|
||
;;
|
||
esac
|
||
|
||
# enable Managesieve service by setting the symlink
|
||
# to the configuration file Dovecot will actually find
|
||
if [[ ${ENABLE_MANAGESIEVE} -eq 1 ]]
|
||
then
|
||
_notify 'inf' 'Sieve management enabled'
|
||
mv /etc/dovecot/protocols.d/managesieved.protocol.disab /etc/dovecot/protocols.d/managesieved.protocol
|
||
fi
|
||
|
||
# copy pipe and filter programs, if any
|
||
rm -f /usr/lib/dovecot/sieve-filter/*
|
||
rm -f /usr/lib/dovecot/sieve-pipe/*
|
||
[[ -d /tmp/docker-mailserver/sieve-filter ]] && cp /tmp/docker-mailserver/sieve-filter/* /usr/lib/dovecot/sieve-filter/
|
||
[[ -d /tmp/docker-mailserver/sieve-pipe ]] && cp /tmp/docker-mailserver/sieve-pipe/* /usr/lib/dovecot/sieve-pipe/
|
||
|
||
# create global sieve directories
|
||
mkdir -p /usr/lib/dovecot/sieve-global/before
|
||
mkdir -p /usr/lib/dovecot/sieve-global/after
|
||
|
||
if [[ -f /tmp/docker-mailserver/before.dovecot.sieve ]]
|
||
then
|
||
cp /tmp/docker-mailserver/before.dovecot.sieve /usr/lib/dovecot/sieve-global/before/50-before.dovecot.sieve
|
||
sievec /usr/lib/dovecot/sieve-global/before/50-before.dovecot.sieve
|
||
else
|
||
rm -f /usr/lib/dovecot/sieve-global/before/50-before.dovecot.sieve /usr/lib/dovecot/sieve-global/before/50-before.dovecot.svbin
|
||
fi
|
||
|
||
if [[ -f /tmp/docker-mailserver/after.dovecot.sieve ]]
|
||
then
|
||
cp /tmp/docker-mailserver/after.dovecot.sieve /usr/lib/dovecot/sieve-global/after/50-after.dovecot.sieve
|
||
sievec /usr/lib/dovecot/sieve-global/after/50-after.dovecot.sieve
|
||
else
|
||
rm -f /usr/lib/dovecot/sieve-global/after/50-after.dovecot.sieve /usr/lib/dovecot/sieve-global/after/50-after.dovecot.svbin
|
||
fi
|
||
|
||
# sieve will move spams to .Junk folder when SPAMASSASSIN_SPAM_TO_INBOX=1 and MOVE_SPAM_TO_JUNK=1
|
||
if [[ ${SPAMASSASSIN_SPAM_TO_INBOX} -eq 1 ]] && [[ ${MOVE_SPAM_TO_JUNK} -eq 1 ]]
|
||
then
|
||
_notify 'inf' "Spam messages will be moved to the Junk folder."
|
||
cp /etc/dovecot/sieve/before/60-spam.sieve /usr/lib/dovecot/sieve-global/before/
|
||
sievec /usr/lib/dovecot/sieve-global/before/60-spam.sieve
|
||
else
|
||
rm -f /usr/lib/dovecot/sieve-global/before/60-spam.sieve /usr/lib/dovecot/sieve-global/before/60-spam.svbin
|
||
fi
|
||
|
||
chown docker:docker -R /usr/lib/dovecot/sieve*
|
||
chmod 550 -R /usr/lib/dovecot/sieve*
|
||
chmod -f +x /usr/lib/dovecot/sieve-pipe/*
|
||
}
|
||
|
||
function _setup_dovecot_quota
|
||
{
|
||
_notify 'task' 'Setting up Dovecot quota'
|
||
|
||
# Dovecot quota is disabled when using LDAP or SMTP_ONLY or when explicitly disabled.
|
||
if [[ ${ENABLE_LDAP} -eq 1 ]] || [[ ${SMTP_ONLY} -eq 1 ]] || [[ ${ENABLE_QUOTAS} -eq 0 ]]
|
||
then
|
||
# disable dovecot quota in docevot confs
|
||
if [[ -f /etc/dovecot/conf.d/90-quota.conf ]]
|
||
then
|
||
mv /etc/dovecot/conf.d/90-quota.conf /etc/dovecot/conf.d/90-quota.conf.disab
|
||
sed -i "s/mail_plugins = \$mail_plugins quota/mail_plugins = \$mail_plugins/g" /etc/dovecot/conf.d/10-mail.conf
|
||
sed -i "s/mail_plugins = \$mail_plugins imap_quota/mail_plugins = \$mail_plugins/g" /etc/dovecot/conf.d/20-imap.conf
|
||
fi
|
||
|
||
# disable quota policy check in postfix
|
||
sed -i "s/check_policy_service inet:localhost:65265//g" /etc/postfix/main.cf
|
||
else
|
||
if [[ -f /etc/dovecot/conf.d/90-quota.conf.disab ]]
|
||
then
|
||
mv /etc/dovecot/conf.d/90-quota.conf.disab /etc/dovecot/conf.d/90-quota.conf
|
||
sed -i "s/mail_plugins = \$mail_plugins/mail_plugins = \$mail_plugins quota/g" /etc/dovecot/conf.d/10-mail.conf
|
||
sed -i "s/mail_plugins = \$mail_plugin/mail_plugins = \$mail_plugins imap_quota/g" /etc/dovecot/conf.d/20-imap.conf
|
||
fi
|
||
|
||
local MESSAGE_SIZE_LIMIT_MB=$((POSTFIX_MESSAGE_SIZE_LIMIT / 1000000))
|
||
local MAILBOX_LIMIT_MB=$((POSTFIX_MAILBOX_SIZE_LIMIT / 1000000))
|
||
|
||
sed -i "s/quota_max_mail_size =.*/quota_max_mail_size = ${MESSAGE_SIZE_LIMIT_MB}$([[ ${MESSAGE_SIZE_LIMIT_MB} -eq 0 ]] && echo "" || echo "M")/g" /etc/dovecot/conf.d/90-quota.conf
|
||
sed -i "s/quota_rule = \*:storage=.*/quota_rule = *:storage=${MAILBOX_LIMIT_MB}$([[ ${MAILBOX_LIMIT_MB} -eq 0 ]] && echo "" || echo "M")/g" /etc/dovecot/conf.d/90-quota.conf
|
||
|
||
if [[ ! -f /tmp/docker-mailserver/dovecot-quotas.cf ]]
|
||
then
|
||
_notify 'inf' "'config/docker-mailserver/dovecot-quotas.cf' is not provided. Using default quotas."
|
||
: >/tmp/docker-mailserver/dovecot-quotas.cf
|
||
fi
|
||
|
||
# enable quota policy check in postfix
|
||
sed -i "s/reject_unknown_recipient_domain, reject_rbl_client zen.spamhaus.org/reject_unknown_recipient_domain, check_policy_service inet:localhost:65265, reject_rbl_client zen.spamhaus.org/g" /etc/postfix/main.cf
|
||
fi
|
||
}
|
||
|
||
function _setup_dovecot_local_user
|
||
{
|
||
_notify 'task' 'Setting up Dovecot Local User'
|
||
: >/etc/postfix/vmailbox
|
||
: >/etc/dovecot/userdb
|
||
|
||
if [[ -f /tmp/docker-mailserver/postfix-accounts.cf ]] && [[ ${ENABLE_LDAP} -ne 1 ]]
|
||
then
|
||
_notify 'inf' "Checking file line endings"
|
||
sed -i 's/\r//g' /tmp/docker-mailserver/postfix-accounts.cf
|
||
|
||
_notify 'inf' "Regenerating postfix user list"
|
||
echo "# WARNING: this file is auto-generated. Modify config/postfix-accounts.cf to edit user list." > /etc/postfix/vmailbox
|
||
|
||
# checking that /tmp/docker-mailserver/postfix-accounts.cf ends with a newline
|
||
# shellcheck disable=SC1003
|
||
sed -i -e '$a\' /tmp/docker-mailserver/postfix-accounts.cf
|
||
|
||
chown dovecot:dovecot /etc/dovecot/userdb
|
||
chmod 640 /etc/dovecot/userdb
|
||
|
||
sed -i -e '/\!include auth-ldap\.conf\.ext/s/^/#/' /etc/dovecot/conf.d/10-auth.conf
|
||
sed -i -e '/\!include auth-passwdfile\.inc/s/^#//' /etc/dovecot/conf.d/10-auth.conf
|
||
|
||
# creating users ; 'pass' is encrypted
|
||
# comments and empty lines are ignored
|
||
while IFS=$'|' read -r LOGIN PASS USER_ATTRIBUTES
|
||
do
|
||
# Setting variables for better readability
|
||
USER=$(echo "${LOGIN}" | cut -d @ -f1)
|
||
DOMAIN=$(echo "${LOGIN}" | cut -d @ -f2)
|
||
|
||
# test if user has a defined quota
|
||
if [[ -f /tmp/docker-mailserver/dovecot-quotas.cf ]]
|
||
then
|
||
declare -a USER_QUOTA
|
||
IFS=':' ; read -r -a USER_QUOTA < <(grep "${USER}@${DOMAIN}:" -i /tmp/docker-mailserver/dovecot-quotas.cf)
|
||
unset IFS
|
||
|
||
[[ ${#USER_QUOTA[@]} -eq 2 ]] && USER_ATTRIBUTES="${USER_ATTRIBUTES} userdb_quota_rule=*:bytes=${USER_QUOTA[1]}"
|
||
fi
|
||
|
||
# Let's go!
|
||
_notify 'inf' "user '${USER}' for domain '${DOMAIN}' with password '********', attr=${USER_ATTRIBUTES}"
|
||
|
||
echo "${LOGIN} ${DOMAIN}/${USER}/" >> /etc/postfix/vmailbox
|
||
# User database for dovecot has the following format:
|
||
# user:password:uid:gid:(gecos):home:(shell):extra_fields
|
||
# Example :
|
||
# ${LOGIN}:${PASS}:5000:5000::/var/mail/${DOMAIN}/${USER}::userdb_mail=maildir:/var/mail/${DOMAIN}/${USER}
|
||
echo "${LOGIN}:${PASS}:5000:5000::/var/mail/${DOMAIN}/${USER}::${USER_ATTRIBUTES}" >> /etc/dovecot/userdb
|
||
mkdir -p "/var/mail/${DOMAIN}/${USER}"
|
||
|
||
# Copy user provided sieve file, if present
|
||
if [[ -e "/tmp/docker-mailserver/${LOGIN}.dovecot.sieve" ]]
|
||
then
|
||
cp "/tmp/docker-mailserver/${LOGIN}.dovecot.sieve" "/var/mail/${DOMAIN}/${USER}/.dovecot.sieve"
|
||
fi
|
||
|
||
echo "${DOMAIN}" >> /tmp/vhost.tmp
|
||
done < <(grep -v "^\s*$\|^\s*\#" /tmp/docker-mailserver/postfix-accounts.cf)
|
||
else
|
||
_notify 'inf' "'config/docker-mailserver/postfix-accounts.cf' is not provided. No mail account created."
|
||
fi
|
||
|
||
if ! grep '@' /tmp/docker-mailserver/postfix-accounts.cf | grep -q '|'
|
||
then
|
||
if [[ ${ENABLE_LDAP} -eq 0 ]]
|
||
then
|
||
_notify 'fatal' "Unless using LDAP, you need at least 1 email account to start Dovecot."
|
||
_defunc
|
||
fi
|
||
fi
|
||
}
|
||
|
||
function _setup_ldap
|
||
{
|
||
_notify 'task' 'Setting up Ldap'
|
||
_notify 'inf' 'Checking for custom configs'
|
||
|
||
for i in 'users' 'groups' 'aliases' 'domains'
|
||
do
|
||
local FPATH="/tmp/docker-mailserver/ldap-${i}.cf"
|
||
if [[ -f ${FPATH} ]]
|
||
then
|
||
cp "${FPATH}" "/etc/postfix/ldap-${i}.cf"
|
||
fi
|
||
done
|
||
|
||
_notify 'inf' 'Starting to override configs'
|
||
|
||
local FILES=(
|
||
/etc/postfix/ldap-users.cf
|
||
/etc/postfix/ldap-groups.cf
|
||
/etc/postfix/ldap-aliases.cf
|
||
/etc/postfix/ldap-domains.cf
|
||
/etc/postfix/maps/sender_login_maps.ldap
|
||
)
|
||
|
||
for FILE in "${FILES[@]}"
|
||
do
|
||
[[ ${FILE} =~ ldap-user ]] && export LDAP_QUERY_FILTER="${LDAP_QUERY_FILTER_USER}"
|
||
[[ ${FILE} =~ ldap-group ]] && export LDAP_QUERY_FILTER="${LDAP_QUERY_FILTER_GROUP}"
|
||
[[ ${FILE} =~ ldap-aliases ]] && export LDAP_QUERY_FILTER="${LDAP_QUERY_FILTER_ALIAS}"
|
||
[[ ${FILE} =~ ldap-domains ]] && export LDAP_QUERY_FILTER="${LDAP_QUERY_FILTER_DOMAIN}"
|
||
configomat.sh "LDAP_" "${FILE}"
|
||
done
|
||
|
||
_notify 'inf' "Configuring dovecot LDAP"
|
||
|
||
declare -A _dovecot_ldap_mapping
|
||
|
||
_dovecot_ldap_mapping["DOVECOT_BASE"]="${DOVECOT_BASE:="${LDAP_SEARCH_BASE}"}"
|
||
_dovecot_ldap_mapping["DOVECOT_DN"]="${DOVECOT_DN:="${LDAP_BIND_DN}"}"
|
||
_dovecot_ldap_mapping["DOVECOT_DNPASS"]="${DOVECOT_DNPASS:="${LDAP_BIND_PW}"}"
|
||
_dovecot_ldap_mapping["DOVECOT_HOSTS"]="${DOVECOT_HOSTS:="${LDAP_SERVER_HOST}"}"
|
||
# Not sure whether this can be the same or not
|
||
# _dovecot_ldap_mapping["DOVECOT_PASS_FILTER"]="${DOVECOT_PASS_FILTER:="${LDAP_QUERY_FILTER_USER}"}"
|
||
# _dovecot_ldap_mapping["DOVECOT_USER_FILTER"]="${DOVECOT_USER_FILTER:="${LDAP_QUERY_FILTER_USER}"}"
|
||
|
||
for VAR in "${!_dovecot_ldap_mapping[@]}"
|
||
do
|
||
export "${VAR}=${_dovecot_ldap_mapping[${VAR}]}"
|
||
done
|
||
|
||
configomat.sh "DOVECOT_" "/etc/dovecot/dovecot-ldap.conf.ext"
|
||
|
||
# add domainname to vhost
|
||
echo "${DOMAINNAME}" >>/tmp/vhost.tmp
|
||
|
||
_notify 'inf' "Enabling dovecot LDAP authentification"
|
||
|
||
sed -i -e '/\!include auth-ldap\.conf\.ext/s/^#//' /etc/dovecot/conf.d/10-auth.conf
|
||
sed -i -e '/\!include auth-passwdfile\.inc/s/^/#/' /etc/dovecot/conf.d/10-auth.conf
|
||
|
||
_notify 'inf' "Configuring LDAP"
|
||
|
||
if [[ -f /etc/postfix/ldap-users.cf ]]
|
||
then
|
||
postconf -e "virtual_mailbox_maps = ldap:/etc/postfix/ldap-users.cf" || \
|
||
_notify 'inf' "==> Warning: /etc/postfix/ldap-user.cf not found"
|
||
fi
|
||
|
||
if [[ -f /etc/postfix/ldap-domains.cf ]]
|
||
then
|
||
postconf -e "virtual_mailbox_domains = /etc/postfix/vhost, ldap:/etc/postfix/ldap-domains.cf" || \
|
||
_notify 'inf' "==> Warning: /etc/postfix/ldap-domains.cf not found"
|
||
fi
|
||
|
||
if [[ -f /etc/postfix/ldap-aliases.cf ]] && [[ -f /etc/postfix/ldap-groups.cf ]]
|
||
then
|
||
postconf -e "virtual_alias_maps = ldap:/etc/postfix/ldap-aliases.cf, ldap:/etc/postfix/ldap-groups.cf" || \
|
||
_notify 'inf' "==> Warning: /etc/postfix/ldap-aliases.cf or /etc/postfix/ldap-groups.cf not found"
|
||
fi
|
||
|
||
# shellcheck disable=SC2016
|
||
sed -i 's+mydestination = \$myhostname, +mydestination = +' /etc/postfix/main.cf
|
||
|
||
return 0
|
||
}
|
||
|
||
function _setup_postgrey
|
||
{
|
||
_notify 'inf' "Configuring postgrey"
|
||
|
||
sed -i -E \
|
||
's+, reject_rbl_client zen.spamhaus.org$+, reject_rbl_client zen.spamhaus.org, check_policy_service inet:127.0.0.1:10023+' \
|
||
/etc/postfix/main.cf
|
||
|
||
sed -i -e \
|
||
"s/\"--inet=127.0.0.1:10023\"/\"--inet=127.0.0.1:10023 --delay=${POSTGREY_DELAY} --max-age=${POSTGREY_MAX_AGE} --auto-whitelist-clients=${POSTGREY_AUTO_WHITELIST_CLIENTS}\"/" \
|
||
/etc/default/postgrey
|
||
|
||
TEXT_FOUND=$(grep -c -i "POSTGREY_TEXT" /etc/default/postgrey)
|
||
|
||
if [[ ${TEXT_FOUND} -eq 0 ]]
|
||
then
|
||
printf "POSTGREY_TEXT=\"%s\"\n\n" "${POSTGREY_TEXT}" >> /etc/default/postgrey
|
||
fi
|
||
|
||
if [[ -f /tmp/docker-mailserver/whitelist_clients.local ]]
|
||
then
|
||
cp -f /tmp/docker-mailserver/whitelist_clients.local /etc/postgrey/whitelist_clients.local
|
||
fi
|
||
|
||
if [[ -f /tmp/docker-mailserver/whitelist_recipients ]]
|
||
then
|
||
cp -f /tmp/docker-mailserver/whitelist_recipients /etc/postgrey/whitelist_recipients
|
||
fi
|
||
}
|
||
|
||
function _setup_postfix_postscreen
|
||
{
|
||
_notify 'inf' "Configuring postscreen"
|
||
sed -i -e "s/postscreen_dnsbl_action = enforce/postscreen_dnsbl_action = ${POSTSCREEN_ACTION}/" \
|
||
-e "s/postscreen_greet_action = enforce/postscreen_greet_action = ${POSTSCREEN_ACTION}/" \
|
||
-e "s/postscreen_bare_newline_action = enforce/postscreen_bare_newline_action = ${POSTSCREEN_ACTION}/" /etc/postfix/main.cf
|
||
}
|
||
|
||
function _setup_postfix_sizelimits
|
||
{
|
||
_notify 'inf' "Configuring postfix message size limit"
|
||
postconf -e "message_size_limit = ${POSTFIX_MESSAGE_SIZE_LIMIT}"
|
||
|
||
_notify 'inf' "Configuring postfix mailbox size limit"
|
||
postconf -e "mailbox_size_limit = ${POSTFIX_MAILBOX_SIZE_LIMIT}"
|
||
|
||
_notify 'inf' "Configuring postfix virtual mailbox size limit"
|
||
postconf -e "virtual_mailbox_limit = ${POSTFIX_MAILBOX_SIZE_LIMIT}"
|
||
}
|
||
|
||
function _setup_postfix_smtputf8
|
||
{
|
||
_notify 'inf' "Configuring postfix smtputf8 support (disable)"
|
||
postconf -e "smtputf8_enable = no"
|
||
}
|
||
|
||
function _setup_spoof_protection
|
||
{
|
||
_notify 'inf' "Configuring Spoof Protection"
|
||
sed -i \
|
||
's+smtpd_sender_restrictions =+smtpd_sender_restrictions = reject_authenticated_sender_login_mismatch,+' \
|
||
/etc/postfix/main.cf
|
||
|
||
if [[ ${ENABLE_LDAP} -eq 1 ]]
|
||
then
|
||
postconf -e "smtpd_sender_login_maps = ldap:/etc/postfix/ldap-users.cf ldap:/etc/postfix/ldap-aliases.cf ldap:/etc/postfix/ldap-groups.cf"
|
||
else
|
||
if [[ -f /etc/postfix/regexp ]]
|
||
then
|
||
postconf -e "smtpd_sender_login_maps = unionmap:{ texthash:/etc/postfix/virtual, hash:/etc/aliases, pcre:/etc/postfix/maps/sender_login_maps.pcre, pcre:/etc/postfix/regexp }"
|
||
else
|
||
postconf -e "smtpd_sender_login_maps = texthash:/etc/postfix/virtual, hash:/etc/aliases, pcre:/etc/postfix/maps/sender_login_maps.pcre"
|
||
fi
|
||
fi
|
||
}
|
||
|
||
function _setup_postfix_access_control
|
||
{
|
||
_notify 'inf' 'Configuring user access'
|
||
|
||
if [[ -f /tmp/docker-mailserver/postfix-send-access.cf ]]
|
||
then
|
||
sed -i 's|smtpd_sender_restrictions =|smtpd_sender_restrictions = check_sender_access texthash:/tmp/docker-mailserver/postfix-send-access.cf,|' /etc/postfix/main.cf
|
||
fi
|
||
|
||
if [[ -f /tmp/docker-mailserver/postfix-receive-access.cf ]]
|
||
then
|
||
sed -i 's|smtpd_recipient_restrictions =|smtpd_recipient_restrictions = check_recipient_access texthash:/tmp/docker-mailserver/postfix-receive-access.cf,|' /etc/postfix/main.cf
|
||
fi
|
||
}
|
||
|
||
function _setup_postfix_sasl
|
||
{
|
||
if [[ ${ENABLE_SASLAUTHD} -eq 1 ]] && [[ ! -f /etc/postfix/sasl/smtpd.conf ]]
|
||
then
|
||
cat > /etc/postfix/sasl/smtpd.conf << EOF
|
||
pwcheck_method: saslauthd
|
||
mech_list: plain login
|
||
EOF
|
||
fi
|
||
|
||
if [[ ${ENABLE_SASLAUTHD} -eq 0 ]] && [[ ${SMTP_ONLY} -eq 1 ]]
|
||
then
|
||
sed -i -E \
|
||
's+^smtpd_sasl_auth_enable =.*+smtpd_sasl_auth_enable = no+g' \
|
||
/etc/postfix/main.cf
|
||
sed -i -E \
|
||
's+^ -o smtpd_sasl_auth_enable=.*+ -o smtpd_sasl_auth_enable=no+g' \
|
||
/etc/postfix/master.cf
|
||
fi
|
||
}
|
||
|
||
function _setup_saslauthd
|
||
{
|
||
_notify 'task' "Setting up SASLAUTHD"
|
||
|
||
# checking env vars and setting defaults
|
||
[[ -z ${SASLAUTHD_MECHANISMS:-} ]] && SASLAUTHD_MECHANISMS=pam
|
||
[[ ${SASLAUTHD_MECHANISMS:-} == ldap ]] && [[ -z ${SASLAUTHD_LDAP_SEARCH_BASE} ]] && SASLAUTHD_MECHANISMS=pam
|
||
[[ -z ${SASLAUTHD_LDAP_SERVER} ]] && SASLAUTHD_LDAP_SERVER=localhost
|
||
[[ -z ${SASLAUTHD_LDAP_FILTER} ]] && SASLAUTHD_LDAP_FILTER='(&(uniqueIdentifier=%u)(mailEnabled=TRUE))'
|
||
|
||
if [[ -z ${SASLAUTHD_LDAP_SSL} ]] || [[ ${SASLAUTHD_LDAP_SSL} -eq 0 ]]
|
||
then
|
||
SASLAUTHD_LDAP_PROTO='ldap://' || SASLAUTHD_LDAP_PROTO='ldaps://'
|
||
fi
|
||
|
||
[[ -z ${SASLAUTHD_LDAP_START_TLS} ]] && SASLAUTHD_LDAP_START_TLS=no
|
||
[[ -z ${SASLAUTHD_LDAP_TLS_CHECK_PEER} ]] && SASLAUTHD_LDAP_TLS_CHECK_PEER=no
|
||
[[ -z ${SASLAUTHD_LDAP_AUTH_METHOD} ]] && SASLAUTHD_LDAP_AUTH_METHOD=bind
|
||
|
||
if [[ -z ${SASLAUTHD_LDAP_TLS_CACERT_FILE} ]]
|
||
then
|
||
SASLAUTHD_LDAP_TLS_CACERT_FILE=""
|
||
else
|
||
SASLAUTHD_LDAP_TLS_CACERT_FILE="ldap_tls_cacert_file: ${SASLAUTHD_LDAP_TLS_CACERT_FILE}"
|
||
fi
|
||
|
||
if [[ -z ${SASLAUTHD_LDAP_TLS_CACERT_DIR} ]]
|
||
then
|
||
SASLAUTHD_LDAP_TLS_CACERT_DIR=""
|
||
else
|
||
SASLAUTHD_LDAP_TLS_CACERT_DIR="ldap_tls_cacert_dir: ${SASLAUTHD_LDAP_TLS_CACERT_DIR}"
|
||
fi
|
||
|
||
if [[ -z ${SASLAUTHD_LDAP_PASSWORD_ATTR} ]]
|
||
then
|
||
SASLAUTHD_LDAP_PASSWORD_ATTR=""
|
||
else
|
||
SASLAUTHD_LDAP_PASSWORD_ATTR="ldap_password_attr: ${SASLAUTHD_LDAP_PASSWORD_ATTR}"
|
||
fi
|
||
|
||
if [[ -z ${SASLAUTHD_LDAP_MECH} ]]
|
||
then
|
||
SASLAUTHD_LDAP_MECH=""
|
||
else
|
||
SASLAUTHD_LDAP_MECH="ldap_mech: ${SASLAUTHD_LDAP_MECH}"
|
||
fi
|
||
|
||
if [[ ! -f /etc/saslauthd.conf ]]
|
||
then
|
||
_notify 'inf' 'Creating /etc/saslauthd.conf'
|
||
cat > /etc/saslauthd.conf << EOF
|
||
ldap_servers: ${SASLAUTHD_LDAP_PROTO}${SASLAUTHD_LDAP_SERVER}
|
||
|
||
ldap_auth_method: ${SASLAUTHD_LDAP_AUTH_METHOD}
|
||
ldap_bind_dn: ${SASLAUTHD_LDAP_BIND_DN}
|
||
ldap_bind_pw: ${SASLAUTHD_LDAP_PASSWORD}
|
||
|
||
ldap_search_base: ${SASLAUTHD_LDAP_SEARCH_BASE}
|
||
ldap_filter: ${SASLAUTHD_LDAP_FILTER}
|
||
|
||
ldap_start_tls: ${SASLAUTHD_LDAP_START_TLS}
|
||
ldap_tls_check_peer: ${SASLAUTHD_LDAP_TLS_CHECK_PEER}
|
||
|
||
${SASLAUTHD_LDAP_TLS_CACERT_FILE}
|
||
${SASLAUTHD_LDAP_TLS_CACERT_DIR}
|
||
${SASLAUTHD_LDAP_PASSWORD_ATTR}
|
||
${SASLAUTHD_LDAP_MECH}
|
||
|
||
ldap_referrals: yes
|
||
log_level: 10
|
||
EOF
|
||
fi
|
||
|
||
sed -i \
|
||
-e "/^[^#].*smtpd_sasl_type.*/s/^/#/g" \
|
||
-e "/^[^#].*smtpd_sasl_path.*/s/^/#/g" \
|
||
/etc/postfix/master.cf
|
||
|
||
sed -i \
|
||
-e "/smtpd_sasl_path =.*/d" \
|
||
-e "/smtpd_sasl_type =.*/d" \
|
||
-e "/dovecot_destination_recipient_limit =.*/d" \
|
||
/etc/postfix/main.cf
|
||
|
||
gpasswd -a postfix sasl
|
||
}
|
||
|
||
function _setup_postfix_aliases
|
||
{
|
||
_notify 'task' 'Setting up Postfix Aliases'
|
||
|
||
: >/etc/postfix/virtual
|
||
: >/etc/postfix/regexp
|
||
|
||
if [[ -f /tmp/docker-mailserver/postfix-virtual.cf ]]
|
||
then
|
||
# fixing old virtual user file
|
||
if grep -q ",$" /tmp/docker-mailserver/postfix-virtual.cf
|
||
then
|
||
sed -i -e "s/, /,/g" -e "s/,$//g" /tmp/docker-mailserver/postfix-virtual.cf
|
||
fi
|
||
|
||
cp -f /tmp/docker-mailserver/postfix-virtual.cf /etc/postfix/virtual
|
||
|
||
# the `to` is important, don't delete it
|
||
# shellcheck disable=SC2034
|
||
while read -r FROM TO
|
||
do
|
||
UNAME=$(echo "${FROM}" | cut -d @ -f1)
|
||
DOMAIN=$(echo "${FROM}" | cut -d @ -f2)
|
||
|
||
# if they are equal it means the line looks like: "user1 other@domain.tld"
|
||
[[ ${UNAME} != "${DOMAIN}" ]] && echo "${DOMAIN}" >>/tmp/vhost.tmp
|
||
done < <(grep -v "^\s*$\|^\s*\#" /tmp/docker-mailserver/postfix-virtual.cf || true)
|
||
else
|
||
_notify 'inf' "Warning 'config/postfix-virtual.cf' is not provided. No mail alias/forward created."
|
||
fi
|
||
|
||
if [[ -f /tmp/docker-mailserver/postfix-regexp.cf ]]
|
||
then
|
||
_notify 'inf' "Adding regexp alias file postfix-regexp.cf"
|
||
|
||
cp -f /tmp/docker-mailserver/postfix-regexp.cf /etc/postfix/regexp
|
||
sed -i -E \
|
||
's+virtual_alias_maps(.*)+virtual_alias_maps\1 pcre:/etc/postfix/regexp+g' \
|
||
/etc/postfix/main.cf
|
||
fi
|
||
|
||
_notify 'inf' 'Configuring root alias'
|
||
|
||
echo "root: ${POSTMASTER_ADDRESS}" > /etc/aliases
|
||
|
||
if [[ -f /tmp/docker-mailserver/postfix-aliases.cf ]]
|
||
then
|
||
cat /tmp/docker-mailserver/postfix-aliases.cf >> /etc/aliases
|
||
else
|
||
_notify 'inf' "'config/postfix-aliases.cf' is not provided and will be auto created."
|
||
: >/tmp/docker-mailserver/postfix-aliases.cf
|
||
fi
|
||
|
||
postalias /etc/aliases
|
||
}
|
||
|
||
function _setup_SRS
|
||
{
|
||
_notify 'task' 'Setting up SRS'
|
||
|
||
postconf -e "sender_canonical_maps = tcp:localhost:10001"
|
||
postconf -e "sender_canonical_classes = ${SRS_SENDER_CLASSES}"
|
||
postconf -e "recipient_canonical_maps = tcp:localhost:10002"
|
||
postconf -e "recipient_canonical_classes = envelope_recipient,header_recipient"
|
||
}
|
||
|
||
function _setup_dkim
|
||
{
|
||
_notify 'task' 'Setting up DKIM'
|
||
|
||
mkdir -p /etc/opendkim
|
||
|
||
# Check if any keys are available
|
||
if [[ -e "/tmp/docker-mailserver/opendkim/KeyTable" ]]
|
||
then
|
||
cp -a /tmp/docker-mailserver/opendkim/* /etc/opendkim/
|
||
|
||
_notify 'inf' "DKIM keys added for: $(ls -C /etc/opendkim/keys/)"
|
||
_notify 'inf' "Changing permissions on /etc/opendkim"
|
||
|
||
chown -R opendkim:opendkim /etc/opendkim/
|
||
chmod -R 0700 /etc/opendkim/keys/
|
||
else
|
||
_notify 'warn' "No DKIM key provided. Check the documentation on how to get your keys."
|
||
fi
|
||
|
||
# setup nameservers paramater from /etc/resolv.conf if not defined
|
||
if ! grep '^Nameservers' /etc/opendkim.conf
|
||
then
|
||
echo "Nameservers $(grep '^nameserver' /etc/resolv.conf | awk -F " " '{print $2}' | paste -sd ',' -)" >> /etc/opendkim.conf
|
||
|
||
_notify 'inf' "Nameservers added to /etc/opendkim.conf"
|
||
fi
|
||
}
|
||
|
||
function _setup_ssl
|
||
{
|
||
_notify 'task' 'Setting up SSL'
|
||
|
||
local POSTFIX_CONFIG_MAIN='/etc/postfix/main.cf'
|
||
local DOVECOT_CONFIG_SSL='/etc/dovecot/conf.d/10-ssl.conf'
|
||
|
||
# Primary certificate to serve for TLS
|
||
# NOTE: The `sed` substituion delimiter uses `~` instead of `/` due to file paths as values
|
||
function _set_certificate
|
||
{
|
||
local POSTFIX_KEY_WITH_FULLCHAIN=$1
|
||
local DOVECOT_KEY=$1
|
||
local DOVECOT_CERT=$1
|
||
|
||
# If 2nd param is provided, we've been provided separate key and cert instead of a fullkeychain
|
||
if [[ -n $2 ]]
|
||
then
|
||
local PRIVATE_KEY=$1
|
||
local CERT_CHAIN=$2
|
||
|
||
POSTFIX_KEY_WITH_FULLCHAIN="${PRIVATE_KEY} ${CERT_CHAIN}"
|
||
DOVECOT_KEY="${PRIVATE_KEY}"
|
||
DOVECOT_CERT="${CERT_CHAIN}"
|
||
fi
|
||
|
||
# Postfix configuration
|
||
# NOTE: `smtpd_tls_chain_files` expects private key defined before public cert chain
|
||
# May be a single PEM file or a sequence of files, so long as the order is key->leaf->chain
|
||
sed -i "s~^smtpd_tls_chain_files =.*~smtpd_tls_chain_files = ${POSTFIX_KEY_WITH_FULLCHAIN}~" "${POSTFIX_CONFIG_MAIN}"
|
||
|
||
# Dovecot configuration
|
||
sed -i "s~^ssl_key = <.*~ssl_key = <${DOVECOT_KEY}~" "${DOVECOT_CONFIG_SSL}"
|
||
sed -i "s~^ssl_cert = <.*~ssl_cert = <${DOVECOT_CERT}~" "${DOVECOT_CONFIG_SSL}"
|
||
}
|
||
|
||
# Enables supporting two certificate types such as ECDSA with an RSA fallback
|
||
function _set_alt_certificate
|
||
{
|
||
local COPY_KEY_FROM_PATH=$1
|
||
local COPY_CERT_FROM_PATH=$2
|
||
local PRIVATE_KEY_ALT='/etc/postfix/ssl/fallback_key'
|
||
local CERT_CHAIN_ALT='/etc/postfix/ssl/fallback_cert'
|
||
|
||
cp "${COPY_KEY_FROM_PATH}" "${PRIVATE_KEY_ALT}"
|
||
cp "${COPY_CERT_FROM_PATH}" "${CERT_CHAIN_ALT}"
|
||
chmod 600 "${PRIVATE_KEY_ALT}"
|
||
chmod 600 "${CERT_CHAIN_ALT}"
|
||
|
||
# Postfix configuration
|
||
# NOTE: This operation doesn't replace the line, it appends to the end of the line.
|
||
# Thus this method should only be used when this line has explicitly been replaced earlier in the script.
|
||
# Otherwise without `docker-compose down` first, a `docker-compose up` may
|
||
# persist previous container state and cause a failure in postfix configuration.
|
||
sed -i "s~^smtpd_tls_chain_files =.*~& ${PRIVATE_KEY_ALT} ${CERT_CHAIN_ALT}~" "${POSTFIX_CONFIG_MAIN}"
|
||
|
||
# Dovecot configuration
|
||
# Conditionally checks for `#`, in the event that internal container state is accidentally persisted,
|
||
# can be caused by: `docker-compose up` run again after a `ctrl+c`, without running `docker-compose down`
|
||
sed -i "s~^#\?ssl_alt_key = <.*~ssl_alt_key = <${PRIVATE_KEY_ALT}~" "${DOVECOT_CONFIG_SSL}"
|
||
sed -i "s~^#\?ssl_alt_cert = <.*~ssl_alt_cert = <${CERT_CHAIN_ALT}~" "${DOVECOT_CONFIG_SSL}"
|
||
}
|
||
|
||
function _apply_tls_level
|
||
{
|
||
local TLS_CIPHERS_ALLOW=$1
|
||
local TLS_PROTOCOL_IGNORE=$2
|
||
local TLS_PROTOCOL_MINIMUM=$3
|
||
|
||
# Postfix configuration
|
||
sed -i "s/^smtpd_tls_mandatory_protocols =.*/smtpd_tls_mandatory_protocols = ${TLS_PROTOCOL_IGNORE}/" "${POSTFIX_CONFIG_MAIN}"
|
||
sed -i "s/^smtpd_tls_protocols =.*/smtpd_tls_protocols = ${TLS_PROTOCOL_IGNORE}/" "${POSTFIX_CONFIG_MAIN}"
|
||
sed -i "s/^smtp_tls_protocols =.*/smtp_tls_protocols = ${TLS_PROTOCOL_IGNORE}/" "${POSTFIX_CONFIG_MAIN}"
|
||
sed -i "s/^tls_high_cipherlist =.*/tls_high_cipherlist = ${TLS_CIPHERS_ALLOW}/" "${POSTFIX_CONFIG_MAIN}"
|
||
|
||
# Dovecot configuration (secure by default though)
|
||
sed -i "s/^ssl_min_protocol =.*/ssl_min_protocol = ${TLS_PROTOCOL_MINIMUM}/" "${DOVECOT_CONFIG_SSL}"
|
||
sed -i "s/^ssl_cipher_list =.*/ssl_cipher_list = ${TLS_CIPHERS_ALLOW}/" "${DOVECOT_CONFIG_SSL}"
|
||
}
|
||
|
||
# TLS strength/level configuration
|
||
case "${TLS_LEVEL}" in
|
||
"modern" )
|
||
local TLS_MODERN_SUITE='ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384'
|
||
local TLS_MODERN_IGNORE='!SSLv2,!SSLv3,!TLSv1,!TLSv1.1'
|
||
local TLS_MODERN_MIN='TLSv1.2'
|
||
|
||
_apply_tls_level "${TLS_MODERN_SUITE}" "${TLS_MODERN_IGNORE}" "${TLS_MODERN_MIN}"
|
||
|
||
_notify 'inf' "TLS configured with 'modern' ciphers"
|
||
;;
|
||
|
||
"intermediate" )
|
||
local TLS_INTERMEDIATE_SUITE='ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA'
|
||
local TLS_INTERMEDIATE_IGNORE='!SSLv2,!SSLv3'
|
||
local TLS_INTERMEDIATE_MIN='TLSv1'
|
||
|
||
_apply_tls_level "${TLS_INTERMEDIATE_SUITE}" "${TLS_INTERMEDIATE_IGNORE}" "${TLS_INTERMEDIATE_MIN}"
|
||
|
||
_notify 'inf' "TLS configured with 'intermediate' ciphers"
|
||
;;
|
||
|
||
* )
|
||
_notify 'err' 'TLS_LEVEL not found [ in _setup_ssl ]'
|
||
;;
|
||
|
||
esac
|
||
|
||
# SSL certificate Configuration
|
||
# TODO: Refactor this feature, it's been extended multiple times for specific inputs/providers unnecessarily.
|
||
# NOTE: Some `SSL_TYPE` logic uses mounted certs/keys directly, some make an internal copy either retaining filename or renaming, chmod inconsistent.
|
||
case "${SSL_TYPE}" in
|
||
"letsencrypt" )
|
||
_notify 'inf' "Configuring SSL using 'letsencrypt'"
|
||
# letsencrypt folders and files mounted in /etc/letsencrypt
|
||
local LETSENCRYPT_DOMAIN=""
|
||
local LETSENCRYPT_KEY=""
|
||
|
||
# 2020 feature intended for Traefik v2 support only:
|
||
# https://github.com/docker-mailserver/docker-mailserver/pull/1553
|
||
# Uses `key.pem` and `fullchain.pem`
|
||
if [[ -f /etc/letsencrypt/acme.json ]]
|
||
then
|
||
if ! _extract_certs_from_acme "${SSL_DOMAIN}"
|
||
then
|
||
if ! _extract_certs_from_acme "${HOSTNAME}"
|
||
then
|
||
_extract_certs_from_acme "${DOMAINNAME}"
|
||
fi
|
||
fi
|
||
fi
|
||
|
||
# first determine the letsencrypt domain by checking both the full hostname or just the domainname if a SAN is used in the cert
|
||
if [[ -e /etc/letsencrypt/live/${HOSTNAME}/fullchain.pem ]]
|
||
then
|
||
LETSENCRYPT_DOMAIN=${HOSTNAME}
|
||
elif [[ -e /etc/letsencrypt/live/${DOMAINNAME}/fullchain.pem ]]
|
||
then
|
||
LETSENCRYPT_DOMAIN=${DOMAINNAME}
|
||
else
|
||
_notify 'err' "Cannot access '/etc/letsencrypt/live/${HOSTNAME}/fullchain.pem' or '/etc/letsencrypt/live/${DOMAINNAME}/fullchain.pem'"
|
||
return 1
|
||
fi
|
||
|
||
# then determine the keyfile to use
|
||
if [[ -n ${LETSENCRYPT_DOMAIN} ]]
|
||
then
|
||
if [[ -e /etc/letsencrypt/live/${LETSENCRYPT_DOMAIN}/privkey.pem ]]
|
||
then
|
||
LETSENCRYPT_KEY="privkey"
|
||
elif [[ -e /etc/letsencrypt/live/${LETSENCRYPT_DOMAIN}/key.pem ]]
|
||
then
|
||
LETSENCRYPT_KEY="key"
|
||
else
|
||
_notify 'err' "Cannot access '/etc/letsencrypt/live/${LETSENCRYPT_DOMAIN}/privkey.pem' nor 'key.pem'"
|
||
return 1
|
||
fi
|
||
fi
|
||
|
||
# finally, make the changes to the postfix and dovecot configurations
|
||
if [[ -n ${LETSENCRYPT_KEY} ]]
|
||
then
|
||
_notify 'inf' "Adding ${LETSENCRYPT_DOMAIN} SSL certificate to the postfix and dovecot configuration"
|
||
|
||
# LetsEncrypt `fullchain.pem` and `privkey.pem` contents are detailed here from CertBot:
|
||
# https://certbot.eff.org/docs/using.html#where-are-my-certificates
|
||
# `key.pem` was added for `simp_le` support (2016): https://github.com/docker-mailserver/docker-mailserver/pull/288
|
||
# `key.pem` is also a filename used by the `_extract_certs_from_acme` method (implemented for Traefik v2 only)
|
||
local PRIVATE_KEY="/etc/letsencrypt/live/${LETSENCRYPT_DOMAIN}/${LETSENCRYPT_KEY}.pem"
|
||
local CERT_CHAIN="/etc/letsencrypt/live/${LETSENCRYPT_DOMAIN}/fullchain.pem"
|
||
|
||
_set_certificate "${PRIVATE_KEY}" "${CERT_CHAIN}"
|
||
|
||
_notify 'inf' "SSL configured with 'letsencrypt' certificates"
|
||
fi
|
||
return 0
|
||
;;
|
||
"custom" )
|
||
# Adding CA signed SSL certificate if provided in 'postfix/ssl' folder
|
||
if [[ -e /tmp/docker-mailserver/ssl/${HOSTNAME}-full.pem ]]
|
||
then
|
||
_notify 'inf' "Adding ${HOSTNAME} SSL certificate"
|
||
|
||
mkdir -p /etc/postfix/ssl
|
||
cp "/tmp/docker-mailserver/ssl/${HOSTNAME}-full.pem" /etc/postfix/ssl
|
||
|
||
# Private key with full certificate chain all in a single PEM file
|
||
# NOTE: Dovecot works fine still as both values are bundled into the keychain
|
||
local KEY_WITH_FULLCHAIN='/etc/postfix/ssl/'"${HOSTNAME}"'-full.pem'
|
||
|
||
_set_certificate "${KEY_WITH_FULLCHAIN}"
|
||
|
||
_notify 'inf' "SSL configured with 'CA signed/custom' certificates"
|
||
fi
|
||
;;
|
||
"manual" )
|
||
# Lets you manually specify the location of the SSL Certs to use. This gives you some more control over this whole processes (like using kube-lego to generate certs)
|
||
if [[ -n ${SSL_CERT_PATH} ]] && [[ -n ${SSL_KEY_PATH} ]]
|
||
then
|
||
_notify 'inf' "Configuring certificates using cert ${SSL_CERT_PATH} and key ${SSL_KEY_PATH}"
|
||
|
||
mkdir -p /etc/postfix/ssl
|
||
cp "${SSL_KEY_PATH}" /etc/postfix/ssl/key
|
||
cp "${SSL_CERT_PATH}" /etc/postfix/ssl/cert
|
||
chmod 600 /etc/postfix/ssl/key
|
||
chmod 600 /etc/postfix/ssl/cert
|
||
|
||
local PRIVATE_KEY='/etc/postfix/ssl/key'
|
||
local CERT_CHAIN='/etc/postfix/ssl/cert'
|
||
|
||
_set_certificate "${PRIVATE_KEY}" "${CERT_CHAIN}"
|
||
|
||
# Support for a fallback certificate, useful for hybrid/dual ECDSA + RSA certs
|
||
if [[ -n ${SSL_ALT_KEY_PATH} ]] && [[ -n ${SSL_ALT_CERT_PATH} ]]
|
||
then
|
||
_notify 'inf' "Configuring alternative certificates using cert ${SSL_ALT_CERT_PATH} and key ${SSL_ALT_KEY_PATH}"
|
||
|
||
_set_alt_certificate "${SSL_ALT_KEY_PATH}" "${SSL_ALT_CERT_PATH}"
|
||
else
|
||
# If the Dovecot settings for alt cert has been enabled (doesn't start with `#`),
|
||
# but required ENV var is missing, reset to disabled state:
|
||
sed -i 's~^ssl_alt_key = <.*~#ssl_alt_key = </path/to/alternative/key.pem~' "${DOVECOT_CONFIG_SSL}"
|
||
sed -i 's~^ssl_alt_cert = <.*~#ssl_alt_cert = </path/to/alternative/cert.pem~' "${DOVECOT_CONFIG_SSL}"
|
||
fi
|
||
|
||
_notify 'inf' "SSL configured with 'Manual' certificates"
|
||
fi
|
||
;;
|
||
"self-signed" )
|
||
# Adding self-signed SSL certificate if provided in 'postfix/ssl' folder
|
||
if [[ -e /tmp/docker-mailserver/ssl/${HOSTNAME}-key.pem ]] \
|
||
&& [[ -e /tmp/docker-mailserver/ssl/${HOSTNAME}-cert.pem ]] \
|
||
&& [[ -e /tmp/docker-mailserver/ssl/demoCA/cacert.pem ]]
|
||
then
|
||
_notify 'inf' "Adding ${HOSTNAME} SSL certificate"
|
||
|
||
mkdir -p /etc/postfix/ssl
|
||
cp "/tmp/docker-mailserver/ssl/${HOSTNAME}-key.pem" /etc/postfix/ssl
|
||
cp "/tmp/docker-mailserver/ssl/${HOSTNAME}-cert.pem" /etc/postfix/ssl
|
||
chmod 600 "/etc/postfix/ssl/${HOSTNAME}-key.pem"
|
||
|
||
local PRIVATE_KEY="/etc/postfix/ssl/${HOSTNAME}-key.pem"
|
||
local CERT_CHAIN="/etc/postfix/ssl/${HOSTNAME}-cert.pem"
|
||
|
||
_set_certificate "${PRIVATE_KEY}" "${CERT_CHAIN}"
|
||
|
||
cp /tmp/docker-mailserver/ssl/demoCA/cacert.pem /etc/postfix/ssl
|
||
# Have Postfix trust the self-signed CA (which is not installed within the OS trust store)
|
||
sed -i -r 's~^#?smtpd_tls_CAfile =.*~smtpd_tls_CAfile = /etc/postfix/ssl/cacert.pem~' "${POSTFIX_CONFIG_MAIN}"
|
||
sed -i -r 's~^#?smtp_tls_CAfile =.*~smtp_tls_CAfile = /etc/postfix/ssl/cacert.pem~' "${POSTFIX_CONFIG_MAIN}"
|
||
# Part of the original `self-signed` support, unclear why this symlink was required?
|
||
# May have been to support the now removed `Courier` (Dovecot replaced it):
|
||
# https://github.com/docker-mailserver/docker-mailserver/commit/1fb3aeede8ac9707cc9ea11d603e3a7b33b5f8d5
|
||
local PRIVATE_CA="/etc/ssl/certs/cacert-${HOSTNAME}.pem"
|
||
ln -s /etc/postfix/ssl/cacert.pem "${PRIVATE_CA}"
|
||
|
||
_notify 'inf' "SSL configured with 'self-signed' certificates"
|
||
fi
|
||
;;
|
||
'' )
|
||
# no SSL certificate, plain text access
|
||
# TODO: Postfix configuration still responds to TLS negotiations using snakeoil cert from default config
|
||
# TODO: Dovecot `ssl = yes` also allows TLS, both cases this is insecure and should probably instead enforce no TLS?
|
||
|
||
# Dovecot configuration
|
||
sed -i -e 's~#disable_plaintext_auth = yes~disable_plaintext_auth = no~g' /etc/dovecot/conf.d/10-auth.conf
|
||
sed -i -e 's~ssl = required~ssl = yes~g' "${DOVECOT_CONFIG_SSL}"
|
||
|
||
_notify 'warn' "(INSECURE!) SSL configured with plain text access. DO NOT USE FOR PRODUCTION DEPLOYMENT."
|
||
;;
|
||
* )
|
||
# Unknown option, default behavior, no action is required
|
||
_notify 'warn' "(INSECURE!) ENV var 'SSL_TYPE' is invalid. DO NOT USE FOR PRODUCTION DEPLOYMENT."
|
||
;;
|
||
esac
|
||
}
|
||
|
||
function _setup_postfix_vhost
|
||
{
|
||
_notify 'task' "Setting up Postfix vhost"
|
||
|
||
if [[ -f /tmp/vhost.tmp ]]
|
||
then
|
||
sort < /tmp/vhost.tmp | uniq > /etc/postfix/vhost && rm /tmp/vhost.tmp
|
||
elif [[ ! -f /etc/postfix/vhost ]]
|
||
then
|
||
touch /etc/postfix/vhost
|
||
fi
|
||
}
|
||
|
||
function _setup_inet_protocols
|
||
{
|
||
_notify 'task' 'Setting up POSTFIX_INET_PROTOCOLS option'
|
||
postconf -e "inet_protocols = ${POSTFIX_INET_PROTOCOLS}"
|
||
}
|
||
|
||
function _setup_docker_permit
|
||
{
|
||
_notify 'task' 'Setting up PERMIT_DOCKER Option'
|
||
|
||
local CONTAINER_IP CONTAINER_NETWORK
|
||
|
||
unset CONTAINER_NETWORKS
|
||
declare -a CONTAINER_NETWORKS
|
||
|
||
CONTAINER_IP=$(ip addr show "${NETWORK_INTERFACE}" | grep 'inet ' | sed 's/[^0-9\.\/]*//g' | cut -d '/' -f 1)
|
||
CONTAINER_NETWORK="$(echo "${CONTAINER_IP}" | cut -d '.' -f1-2).0.0"
|
||
|
||
while read -r IP
|
||
do
|
||
CONTAINER_NETWORKS+=("${IP}")
|
||
done < <(ip -o -4 addr show type veth | grep -E -o '[0-9\.]+/[0-9]+')
|
||
|
||
case ${PERMIT_DOCKER} in
|
||
"host" )
|
||
_notify 'inf' "Adding ${CONTAINER_NETWORK}/16 to my networks"
|
||
postconf -e "$(postconf | grep '^mynetworks =') ${CONTAINER_NETWORK}/16"
|
||
echo "${CONTAINER_NETWORK}/16" >> /etc/opendmarc/ignore.hosts
|
||
echo "${CONTAINER_NETWORK}/16" >> /etc/opendkim/TrustedHosts
|
||
;;
|
||
|
||
"network" )
|
||
_notify 'inf' "Adding docker network in my networks"
|
||
postconf -e "$(postconf | grep '^mynetworks =') 172.16.0.0/12"
|
||
echo 172.16.0.0/12 >> /etc/opendmarc/ignore.hosts
|
||
echo 172.16.0.0/12 >> /etc/opendkim/TrustedHosts
|
||
;;
|
||
"connected-networks" )
|
||
for NETWORK in "${CONTAINER_NETWORKS[@]}"
|
||
do
|
||
NETWORK=$(_sanitize_ipv4_to_subnet_cidr "${NETWORK}")
|
||
_notify 'inf' "Adding docker network ${NETWORK} in my networks"
|
||
postconf -e "$(postconf | grep '^mynetworks =') ${NETWORK}"
|
||
echo "${NETWORK}" >> /etc/opendmarc/ignore.hosts
|
||
echo "${NETWORK}" >> /etc/opendkim/TrustedHosts
|
||
done
|
||
;;
|
||
* )
|
||
_notify 'inf' "Adding container ip in my networks"
|
||
postconf -e "$(postconf | grep '^mynetworks =') ${CONTAINER_IP}/32"
|
||
echo "${CONTAINER_IP}/32" >> /etc/opendmarc/ignore.hosts
|
||
echo "${CONTAINER_IP}/32" >> /etc/opendkim/TrustedHosts
|
||
;;
|
||
esac
|
||
}
|
||
|
||
function _setup_postfix_virtual_transport
|
||
{
|
||
_notify 'task' 'Setting up Postfix virtual transport'
|
||
|
||
[[ -z ${POSTFIX_DAGENT} ]] && echo "${POSTFIX_DAGENT} not set." && \
|
||
kill -15 "$(< /var/run/supervisord.pid)" && return 1
|
||
|
||
postconf -e "virtual_transport = ${POSTFIX_DAGENT}"
|
||
}
|
||
|
||
function _setup_postfix_override_configuration
|
||
{
|
||
_notify 'task' 'Setting up Postfix Override configuration'
|
||
|
||
if [[ -f /tmp/docker-mailserver/postfix-main.cf ]]
|
||
then
|
||
while read -r LINE
|
||
do
|
||
# all valid postfix options start with a lower case letter
|
||
# http://www.postfix.org/postconf.5.html
|
||
if [[ ${LINE} =~ ^[a-z] ]]
|
||
then
|
||
postconf -e "${LINE}"
|
||
fi
|
||
done < /tmp/docker-mailserver/postfix-main.cf
|
||
_notify 'inf' "Loaded 'config/postfix-main.cf'"
|
||
else
|
||
_notify 'inf' "No extra postfix settings loaded because optional '/tmp/docker-mailserver/postfix-main.cf' not provided."
|
||
fi
|
||
|
||
if [[ -f /tmp/docker-mailserver/postfix-master.cf ]]
|
||
then
|
||
while read -r LINE
|
||
do
|
||
if [[ ${LINE} =~ ^[0-9a-z] ]]
|
||
then
|
||
postconf -P "${LINE}"
|
||
fi
|
||
done < /tmp/docker-mailserver/postfix-master.cf
|
||
_notify 'inf' "Loaded 'config/postfix-master.cf'"
|
||
else
|
||
_notify 'inf' "No extra postfix settings loaded because optional '/tmp/docker-mailserver/postfix-master.cf' not provided."
|
||
fi
|
||
|
||
_notify 'inf' "set the compatibility level to 2"
|
||
postconf compatibility_level=2
|
||
}
|
||
|
||
function _setup_postfix_sasl_password
|
||
{
|
||
_notify 'task' 'Setting up Postfix SASL Password'
|
||
|
||
# support general SASL password
|
||
rm -f /etc/postfix/sasl_passwd
|
||
if [[ -n ${SASL_PASSWD} ]]
|
||
then
|
||
echo "${SASL_PASSWD}" >> /etc/postfix/sasl_passwd
|
||
fi
|
||
|
||
# install SASL passwords
|
||
if [[ -f /etc/postfix/sasl_passwd ]]
|
||
then
|
||
chown root:root /etc/postfix/sasl_passwd
|
||
chmod 0600 /etc/postfix/sasl_passwd
|
||
_notify 'inf' "Loaded SASL_PASSWD"
|
||
else
|
||
_notify 'inf' "Warning: 'SASL_PASSWD' is not provided. /etc/postfix/sasl_passwd not created."
|
||
fi
|
||
}
|
||
|
||
function _setup_postfix_default_relay_host
|
||
{
|
||
_notify 'task' 'Applying default relay host to Postfix'
|
||
|
||
_notify 'inf' "Applying default relay host ${DEFAULT_RELAY_HOST} to /etc/postfix/main.cf"
|
||
postconf -e "relayhost = ${DEFAULT_RELAY_HOST}"
|
||
}
|
||
|
||
function _setup_postfix_relay_hosts
|
||
{
|
||
_notify 'task' 'Setting up Postfix Relay Hosts'
|
||
|
||
[[ -z ${RELAY_PORT} ]] && RELAY_PORT=25
|
||
|
||
_notify 'inf' "Setting up outgoing email relaying via ${RELAY_HOST}:${RELAY_PORT}"
|
||
|
||
# setup /etc/postfix/sasl_passwd
|
||
# --
|
||
# @domain1.com postmaster@domain1.com:your-password-1
|
||
# @domain2.com postmaster@domain2.com:your-password-2
|
||
# @domain3.com postmaster@domain3.com:your-password-3
|
||
#
|
||
# [smtp.mailgun.org]:587 postmaster@domain2.com:your-password-2
|
||
|
||
if [[ -f /tmp/docker-mailserver/postfix-sasl-password.cf ]]
|
||
then
|
||
_notify 'inf' "Adding relay authentication from postfix-sasl-password.cf"
|
||
|
||
while read -r LINE
|
||
do
|
||
if ! echo "${LINE}" | grep -q -e "^\s*#"
|
||
then
|
||
echo "${LINE}" >> /etc/postfix/sasl_passwd
|
||
fi
|
||
done < /tmp/docker-mailserver/postfix-sasl-password.cf
|
||
fi
|
||
|
||
# add default relay
|
||
if [[ -n ${RELAY_USER} ]] && [[ -n ${RELAY_PASSWORD} ]]
|
||
then
|
||
echo "[${RELAY_HOST}]:${RELAY_PORT} ${RELAY_USER}:${RELAY_PASSWORD}" >> /etc/postfix/sasl_passwd
|
||
else
|
||
if [[ ! -f /tmp/docker-mailserver/postfix-sasl-password.cf ]]
|
||
then
|
||
_notify 'warn' "No relay auth file found and no default set"
|
||
fi
|
||
fi
|
||
|
||
if [[ -f /etc/postfix/sasl_passwd ]]
|
||
then
|
||
chown root:root /etc/postfix/sasl_passwd
|
||
chmod 0600 /etc/postfix/sasl_passwd
|
||
fi
|
||
# end /etc/postfix/sasl_passwd
|
||
|
||
_populate_relayhost_map
|
||
|
||
postconf -e \
|
||
"smtp_sasl_auth_enable = yes" \
|
||
"smtp_sasl_security_options = noanonymous" \
|
||
"smtp_sasl_password_maps = texthash:/etc/postfix/sasl_passwd" \
|
||
"smtp_use_tls = yes" \
|
||
"smtp_tls_security_level = encrypt" \
|
||
"smtp_tls_note_starttls_offer = yes" \
|
||
"smtp_tls_CAfile = /etc/ssl/certs/ca-certificates.crt" \
|
||
"sender_dependent_relayhost_maps = texthash:/etc/postfix/relayhost_map" \
|
||
"smtp_sender_dependent_authentication = yes"
|
||
}
|
||
|
||
function _setup_postfix_dhparam
|
||
{
|
||
_notify 'task' 'Setting up Postfix dhparam'
|
||
|
||
if [[ ${ONE_DIR} -eq 1 ]]
|
||
then
|
||
DHPARAMS_FILE=/var/mail-state/lib-shared/dhparams.pem
|
||
|
||
if [[ ! -f ${DHPARAMS_FILE} ]]
|
||
then
|
||
_notify 'inf' "Use ffdhe4096 for dhparams (postfix)"
|
||
cp -f /etc/postfix/shared/ffdhe4096.pem /etc/postfix/dhparams.pem
|
||
else
|
||
_notify 'inf' "Use postfix dhparams that was generated previously"
|
||
_notify 'warn' "Using self-generated dhparams is considered as insecure."
|
||
_notify 'warn' "Unless you known what you are doing, please remove /var/mail-state/lib-shared/dhparams.pem."
|
||
|
||
# Copy from the state directory to the working location
|
||
cp -f "${DHPARAMS_FILE}" /etc/postfix/dhparams.pem
|
||
fi
|
||
else
|
||
if [[ ! -f /etc/postfix/dhparams.pem ]]
|
||
then
|
||
if [[ -f /etc/dovecot/dh.pem ]]
|
||
then
|
||
_notify 'inf' "Copy dovecot dhparams to postfix"
|
||
cp /etc/dovecot/dh.pem /etc/postfix/dhparams.pem
|
||
elif [[ -f /tmp/docker-mailserver/dhparams.pem ]]
|
||
then
|
||
_notify 'inf' "Copy pre-generated dhparams to postfix"
|
||
_notify 'warn' "Using self-generated dhparams is considered as insecure."
|
||
_notify 'warn' "Unless you known what you are doing, please remove /var/mail-state/lib-shared/dhparams.pem."
|
||
cp /tmp/docker-mailserver/dhparams.pem /etc/postfix/dhparams.pem
|
||
else
|
||
_notify 'inf' "Use ffdhe4096 for dhparams (postfix)"
|
||
cp /etc/postfix/shared/ffdhe4096.pem /etc/postfix/dhparams.pem
|
||
fi
|
||
else
|
||
_notify 'inf' "Use existing postfix dhparams"
|
||
_notify 'warn' "Using self-generated dhparams is considered insecure."
|
||
_notify 'warn' "Unless you known what you are doing, please remove /etc/postfix/dhparams.pem."
|
||
fi
|
||
fi
|
||
}
|
||
|
||
function _setup_dovecot_dhparam
|
||
{
|
||
_notify 'task' 'Setting up Dovecot dhparam'
|
||
|
||
if [[ ${ONE_DIR} -eq 1 ]]
|
||
then
|
||
DHPARAMS_FILE=/var/mail-state/lib-shared/dhparams.pem
|
||
|
||
if [[ ! -f ${DHPARAMS_FILE} ]]
|
||
then
|
||
_notify 'inf' "Use ffdhe4096 for dhparams (dovecot)"
|
||
cp -f /etc/postfix/shared/ffdhe4096.pem /etc/dovecot/dh.pem
|
||
else
|
||
_notify 'inf' "Use dovecot dhparams that was generated previously"
|
||
_notify 'warn' "Using self-generated dhparams is considered as insecure."
|
||
_notify 'warn' "Unless you known what you are doing, please remove /var/mail-state/lib-shared/dhparams.pem."
|
||
|
||
# Copy from the state directory to the working location
|
||
cp -f "${DHPARAMS_FILE}" /etc/dovecot/dh.pem
|
||
fi
|
||
else
|
||
if [[ ! -f /etc/dovecot/dh.pem ]]
|
||
then
|
||
if [[ -f /etc/postfix/dhparams.pem ]]
|
||
then
|
||
_notify 'inf' "Copy postfix dhparams to dovecot"
|
||
cp /etc/postfix/dhparams.pem /etc/dovecot/dh.pem
|
||
elif [[ -f /tmp/docker-mailserver/dhparams.pem ]]
|
||
then
|
||
_notify 'inf' "Copy pre-generated dhparams to dovecot"
|
||
_notify 'warn' "Using self-generated dhparams is considered as insecure."
|
||
_notify 'warn' "Unless you known what you are doing, please remove /tmp/docker-mailserver/dhparams.pem."
|
||
|
||
cp /tmp/docker-mailserver/dhparams.pem /etc/dovecot/dh.pem
|
||
else
|
||
_notify 'inf' "Use ffdhe4096 for dhparams (dovecot)"
|
||
cp /etc/postfix/shared/ffdhe4096.pem /etc/dovecot/dh.pem
|
||
fi
|
||
else
|
||
_notify 'inf' "Use existing dovecot dhparams"
|
||
_notify 'warn' "Using self-generated dhparams is considered as insecure."
|
||
_notify 'warn' "Unless you known what you are doing, please remove /etc/dovecot/dh.pem."
|
||
fi
|
||
fi
|
||
}
|
||
|
||
function _setup_security_stack
|
||
{
|
||
_notify 'task' "Setting up Security Stack"
|
||
|
||
# recreate auto-generated file
|
||
local DMS_AMAVIS_FILE=/etc/amavis/conf.d/61-dms_auto_generated
|
||
|
||
echo "# WARNING: this file is auto-generated." >"${DMS_AMAVIS_FILE}"
|
||
echo "use strict;" >>"${DMS_AMAVIS_FILE}"
|
||
|
||
# Spamassassin
|
||
if [[ ${ENABLE_SPAMASSASSIN} -eq 0 ]]
|
||
then
|
||
_notify 'warn' "Spamassassin is disabled. You can enable it with 'ENABLE_SPAMASSASSIN=1'"
|
||
echo "@bypass_spam_checks_maps = (1);" >>"${DMS_AMAVIS_FILE}"
|
||
elif [[ ${ENABLE_SPAMASSASSIN} -eq 1 ]]
|
||
then
|
||
_notify 'inf' "Enabling and configuring spamassassin"
|
||
|
||
# shellcheck disable=SC2016
|
||
SA_TAG=${SA_TAG:="2.0"} && sed -i -r 's/^\$sa_tag_level_deflt (.*);/\$sa_tag_level_deflt = '"${SA_TAG}"';/g' /etc/amavis/conf.d/20-debian_defaults
|
||
|
||
# shellcheck disable=SC2016
|
||
SA_TAG2=${SA_TAG2:="6.31"} && sed -i -r 's/^\$sa_tag2_level_deflt (.*);/\$sa_tag2_level_deflt = '"${SA_TAG2}"';/g' /etc/amavis/conf.d/20-debian_defaults
|
||
|
||
# shellcheck disable=SC2016
|
||
SA_KILL=${SA_KILL:="6.31"} && sed -i -r 's/^\$sa_kill_level_deflt (.*);/\$sa_kill_level_deflt = '"${SA_KILL}"';/g' /etc/amavis/conf.d/20-debian_defaults
|
||
|
||
SA_SPAM_SUBJECT=${SA_SPAM_SUBJECT:="***SPAM*** "}
|
||
|
||
if [[ ${SA_SPAM_SUBJECT} == "undef" ]]
|
||
then
|
||
# shellcheck disable=SC2016
|
||
sed -i -r 's/^\$sa_spam_subject_tag (.*);/\$sa_spam_subject_tag = undef;/g' /etc/amavis/conf.d/20-debian_defaults
|
||
else
|
||
# shellcheck disable=SC2016
|
||
sed -i -r 's/^\$sa_spam_subject_tag (.*);/\$sa_spam_subject_tag = '"'${SA_SPAM_SUBJECT}'"';/g' /etc/amavis/conf.d/20-debian_defaults
|
||
fi
|
||
|
||
# activate short circuits when SA BAYES is certain it has spam or ham.
|
||
if [[ ${SA_SHORTCIRCUIT_BAYES_SPAM} -eq 1 ]]
|
||
then
|
||
# automatically activate the Shortcircuit Plugin
|
||
sed -i -r 's/^# loadplugin Mail::SpamAssassin::Plugin::Shortcircuit/loadplugin Mail::SpamAssassin::Plugin::Shortcircuit/g' /etc/spamassassin/v320.pre
|
||
sed -i -r 's/^# shortcircuit BAYES_99/shortcircuit BAYES_99/g' /etc/spamassassin/local.cf
|
||
fi
|
||
|
||
if [[ ${SA_SHORTCIRCUIT_BAYES_HAM} -eq 1 ]]
|
||
then
|
||
# automatically activate the Shortcircuit Plugin
|
||
sed -i -r 's/^# loadplugin Mail::SpamAssassin::Plugin::Shortcircuit/loadplugin Mail::SpamAssassin::Plugin::Shortcircuit/g' /etc/spamassassin/v320.pre
|
||
sed -i -r 's/^# shortcircuit BAYES_00/shortcircuit BAYES_00/g' /etc/spamassassin/local.cf
|
||
fi
|
||
|
||
if [[ -e /tmp/docker-mailserver/spamassassin-rules.cf ]]
|
||
then
|
||
cp /tmp/docker-mailserver/spamassassin-rules.cf /etc/spamassassin/
|
||
fi
|
||
|
||
|
||
if [[ ${SPAMASSASSIN_SPAM_TO_INBOX} -eq 1 ]]
|
||
then
|
||
_notify 'inf' "Configure Spamassassin/Amavis to put SPAM inbox"
|
||
|
||
sed -i "s/\$final_spam_destiny.*=.*$/\$final_spam_destiny = D_PASS;/g" /etc/amavis/conf.d/49-docker-mailserver
|
||
sed -i "s/\$final_bad_header_destiny.*=.*$/\$final_bad_header_destiny = D_PASS;/g" /etc/amavis/conf.d/49-docker-mailserver
|
||
else
|
||
sed -i "s/\$final_spam_destiny.*=.*$/\$final_spam_destiny = D_BOUNCE;/g" /etc/amavis/conf.d/49-docker-mailserver
|
||
sed -i "s/\$final_bad_header_destiny.*=.*$/\$final_bad_header_destiny = D_BOUNCE;/g" /etc/amavis/conf.d/49-docker-mailserver
|
||
|
||
if ! ${SPAMASSASSIN_SPAM_TO_INBOX_IS_SET}
|
||
then
|
||
_notify 'warn' "Spam messages WILL NOT BE DELIVERED, you will NOT be notified of ANY message bounced. Please define SPAMASSASSIN_SPAM_TO_INBOX explicitly."
|
||
fi
|
||
fi
|
||
fi
|
||
|
||
# Clamav
|
||
if [[ ${ENABLE_CLAMAV} -eq 0 ]]
|
||
then
|
||
_notify 'warn' "Clamav is disabled. You can enable it with 'ENABLE_CLAMAV=1'"
|
||
echo "@bypass_virus_checks_maps = (1);" >>"${DMS_AMAVIS_FILE}"
|
||
elif [[ ${ENABLE_CLAMAV} -eq 1 ]]
|
||
then
|
||
_notify 'inf' "Enabling clamav"
|
||
fi
|
||
|
||
echo "1; # ensure a defined return" >>"${DMS_AMAVIS_FILE}"
|
||
chmod 444 "${DMS_AMAVIS_FILE}"
|
||
|
||
# Fail2ban
|
||
if [[ ${ENABLE_FAIL2BAN} -eq 1 ]]
|
||
then
|
||
_notify 'inf' "Fail2ban enabled"
|
||
|
||
if [[ -e /tmp/docker-mailserver/fail2ban-fail2ban.cf ]]
|
||
then
|
||
cp /tmp/docker-mailserver/fail2ban-fail2ban.cf /etc/fail2ban/fail2ban.local
|
||
fi
|
||
|
||
if [[ -e /tmp/docker-mailserver/fail2ban-jail.cf ]]
|
||
then
|
||
cp /tmp/docker-mailserver/fail2ban-jail.cf /etc/fail2ban/jail.local
|
||
fi
|
||
else
|
||
# disable logrotate config for fail2ban if not enabled
|
||
rm -f /etc/logrotate.d/fail2ban
|
||
fi
|
||
|
||
# fix cron.daily for spamassassin
|
||
sed -i -e 's~invoke-rc.d spamassassin reload~/etc/init\.d/spamassassin reload~g' /etc/cron.daily/spamassassin
|
||
|
||
# copy user provided configuration files if provided
|
||
if [[ -f /tmp/docker-mailserver/amavis.cf ]]
|
||
then
|
||
cp /tmp/docker-mailserver/amavis.cf /etc/amavis/conf.d/50-user
|
||
fi
|
||
}
|
||
|
||
function _setup_logrotate
|
||
{
|
||
_notify 'inf' "Setting up logrotate"
|
||
|
||
LOGROTATE='/var/log/mail/mail.log\n{\n compress\n copytruncate\n delaycompress\n'
|
||
|
||
case "${LOGROTATE_INTERVAL}" in
|
||
"daily" )
|
||
_notify 'inf' "Setting postfix logrotate interval to daily"
|
||
LOGROTATE="${LOGROTATE} rotate 4\n daily\n"
|
||
;;
|
||
"weekly" )
|
||
_notify 'inf' "Setting postfix logrotate interval to weekly"
|
||
LOGROTATE="${LOGROTATE} rotate 4\n weekly\n"
|
||
;;
|
||
"monthly" )
|
||
_notify 'inf' "Setting postfix logrotate interval to monthly"
|
||
LOGROTATE="${LOGROTATE} rotate 4\n monthly\n"
|
||
;;
|
||
* ) _notify 'warn' 'LOGROTATE_INTERVAL not found in _setup_logrotate' ;;
|
||
esac
|
||
|
||
LOGROTATE="${LOGROTATE}}"
|
||
echo -e "${LOGROTATE}" > /etc/logrotate.d/maillog
|
||
}
|
||
|
||
function _setup_mail_summary
|
||
{
|
||
_notify 'inf' "Enable postfix summary with recipient ${PFLOGSUMM_RECIPIENT}"
|
||
|
||
case "${PFLOGSUMM_TRIGGER}" in
|
||
"daily_cron" )
|
||
_notify 'inf' "Creating daily cron job for pflogsumm report"
|
||
|
||
echo "#! /bin/bash" > /etc/cron.daily/postfix-summary
|
||
echo "/usr/local/bin/report-pflogsumm-yesterday ${HOSTNAME} ${PFLOGSUMM_RECIPIENT} ${PFLOGSUMM_SENDER}" >> /etc/cron.daily/postfix-summary
|
||
|
||
chmod +x /etc/cron.daily/postfix-summary
|
||
;;
|
||
"logrotate" )
|
||
_notify 'inf' "Add postrotate action for pflogsumm report"
|
||
sed -i "s|}| postrotate\n /usr/local/bin/postfix-summary ${HOSTNAME} ${PFLOGSUMM_RECIPIENT} ${PFLOGSUMM_SENDER}\n endscript\n}\n|" /etc/logrotate.d/maillog
|
||
;;
|
||
"none" ) _notify 'inf' "Postfix log summary reports disabled. You can enable them with 'PFLOGSUMM_TRIGGER=daily_cron' or 'PFLOGSUMM_TRIGGER=logrotate'" ;;
|
||
* ) _notify 'err' 'PFLOGSUMM_TRIGGER not found in _setup_mail_summery' ;;
|
||
esac
|
||
}
|
||
|
||
function _setup_logwatch
|
||
{
|
||
_notify 'inf' "Enable logwatch reports with recipient ${LOGWATCH_RECIPIENT}"
|
||
|
||
echo "LogFile = /var/log/mail/freshclam.log" >> /etc/logwatch/conf/logfiles/clam-update.conf
|
||
|
||
case "${LOGWATCH_INTERVAL}" in
|
||
"daily" )
|
||
_notify 'inf' "Creating daily cron job for logwatch reports"
|
||
echo "#! /bin/bash" > /etc/cron.daily/logwatch
|
||
echo "/usr/sbin/logwatch --range Yesterday --hostname ${HOSTNAME} --mailto ${LOGWATCH_RECIPIENT}" \
|
||
>> /etc/cron.daily/logwatch
|
||
chmod 744 /etc/cron.daily/logwatch
|
||
;;
|
||
"weekly" )
|
||
_notify 'inf' "Creating weekly cron job for logwatch reports"
|
||
echo "#! /bin/bash" > /etc/cron.weekly/logwatch
|
||
echo "/usr/sbin/logwatch --range 'between -7 days and -1 days' --hostname ${HOSTNAME} --mailto ${LOGWATCH_RECIPIENT}" \
|
||
>> /etc/cron.weekly/logwatch
|
||
chmod 744 /etc/cron.weekly/logwatch
|
||
;;
|
||
"none" ) _notify 'inf' "Logwatch reports disabled. You can enable them with 'LOGWATCH_INTERVAL=daily' or 'LOGWATCH_INTERVAL=weekly'" ;;
|
||
* ) _notify 'warn' 'LOGWATCH_INTERVAL not found in _setup_logwatch' ;;
|
||
esac
|
||
}
|
||
|
||
function _setup_user_patches
|
||
{
|
||
if [[ -f /tmp/docker-mailserver/user-patches.sh ]]
|
||
then
|
||
_notify 'inf' 'Executing user-patches.sh'
|
||
chmod +x /tmp/docker-mailserver/user-patches.sh &>/dev/null || true
|
||
|
||
if [[ -x /tmp/docker-mailserver/user-patches.sh ]]
|
||
then
|
||
/tmp/docker-mailserver/user-patches.sh
|
||
_notify 'inf' "Executed 'config/user-patches.sh'"
|
||
else
|
||
_notify 'err' "Could not execute user-patches.sh. Not executable!"
|
||
fi
|
||
else
|
||
_notify 'inf' "No user patches executed because optional '/tmp/docker-mailserver/user-patches.sh' is not provided."
|
||
fi
|
||
}
|
||
|
||
function _setup_environment
|
||
{
|
||
_notify 'task' 'Setting up /etc/environment'
|
||
|
||
local BANNER="# Docker Environment"
|
||
|
||
if ! grep -q "${BANNER}" /etc/environment
|
||
then
|
||
echo "${BANNER}" >> /etc/environment
|
||
echo "VIRUSMAILS_DELETE_DELAY=${VIRUSMAILS_DELETE_DELAY}" >> /etc/environment
|
||
fi
|
||
}
|
||
|
||
##########################################################################
|
||
# << Setup Stack
|
||
##########################################################################
|
||
|
||
|
||
##########################################################################
|
||
# >> Fix Stack
|
||
#
|
||
# Description: Place functions for temporary workarounds and fixes here
|
||
##########################################################################
|
||
|
||
|
||
function fix
|
||
{
|
||
_notify 'taskgrg' "Post-configuration checks..."
|
||
for FUNC in "${FUNCS_FIX[@]}"
|
||
do
|
||
if ! ${FUNC}
|
||
then
|
||
_defunc
|
||
fi
|
||
done
|
||
|
||
_notify 'taskgrg' "Remove leftover pid files from a stop/start"
|
||
rm -rf /var/run/*.pid /var/run/*/*.pid
|
||
touch /dev/shm/supervisor.sock
|
||
}
|
||
|
||
function _fix_var_mail_permissions
|
||
{
|
||
_notify 'task' 'Checking /var/mail permissions'
|
||
|
||
# dix permissions, but skip this if 3 levels deep the user id is already set
|
||
if [[ $(find /var/mail -maxdepth 3 -a \( \! -user 5000 -o \! -group 5000 \) | grep -c .) -ne 0 ]]
|
||
then
|
||
_notify 'inf' "Fixing /var/mail permissions"
|
||
chown -R 5000:5000 /var/mail
|
||
else
|
||
_notify 'inf' "Permissions in /var/mail look OK"
|
||
return 0
|
||
fi
|
||
}
|
||
|
||
function _fix_var_amavis_permissions
|
||
{
|
||
if [[ ${ONE_DIR} -eq 0 ]]
|
||
then
|
||
amavis_state_dir=/var/lib/amavis
|
||
else
|
||
amavis_state_dir=/var/mail-state/lib-amavis
|
||
fi
|
||
|
||
# shellcheck disable=SC2016
|
||
_notify 'task' 'Checking $amavis_state_dir permissions'
|
||
|
||
amavis_permissions_status=$(find -H "${amavis_state_dir}" -maxdepth 3 -a \( \! -user amavis -o \! -group amavis \))
|
||
|
||
if [[ -n ${amavis_permissions_status} ]]
|
||
then
|
||
_notify 'inf' "Fixing ${amavis_state_dir} permissions"
|
||
chown -hR amavis:amavis "${amavis_state_dir}"
|
||
else
|
||
_notify 'inf' "Permissions in ${amavis_state_dir} look OK"
|
||
return 0
|
||
fi
|
||
}
|
||
|
||
function _fix_cleanup_clamav
|
||
{
|
||
_notify 'task' 'Cleaning up disabled Clamav'
|
||
rm -f /etc/logrotate.d/clamav-*
|
||
rm -f /etc/cron.d/clamav-freshclam
|
||
}
|
||
|
||
function _fix_cleanup_spamassassin
|
||
{
|
||
_notify 'task' 'Cleaning up disabled spamassassin'
|
||
rm -f /etc/cron.daily/spamassassin
|
||
}
|
||
|
||
##########################################################################
|
||
# << Fix Stack
|
||
##########################################################################
|
||
|
||
|
||
##########################################################################
|
||
# >> Misc Stack
|
||
#
|
||
# Description: Place functions that do not fit in the sections above here
|
||
##########################################################################
|
||
|
||
function misc
|
||
{
|
||
_notify 'inf' 'Starting misc'
|
||
|
||
for FUNC in "${FUNCS_MISC[@]}"
|
||
do
|
||
if ! ${FUNC}
|
||
then
|
||
_defunc
|
||
fi
|
||
done
|
||
}
|
||
|
||
# consolidate all states into a single directory
|
||
# (/var/mail-state) to allow persistence using docker volumes
|
||
function _misc_save_states
|
||
{
|
||
local STATEDIR FILE FILES
|
||
|
||
STATEDIR='/var/mail-state'
|
||
|
||
if [[ ${ONE_DIR} -eq 1 ]] && [[ -d ${STATEDIR} ]]
|
||
then
|
||
_notify 'inf' "Consolidating all state onto ${STATEDIR}"
|
||
|
||
FILES=(
|
||
spool/postfix
|
||
lib/postfix
|
||
lib/amavis
|
||
lib/clamav
|
||
lib/spamassassin
|
||
lib/fail2ban
|
||
lib/postgrey
|
||
lib/dovecot
|
||
)
|
||
|
||
for FILE in "${FILES[@]}"
|
||
do
|
||
DEST="${STATEDIR}/${FILE//\//-}"
|
||
FILE="/var/${FILE}"
|
||
|
||
if [[ -d ${DEST} ]]
|
||
then
|
||
_notify 'inf' "Destination ${DEST} exists, linking ${FILE} to it"
|
||
rm -rf "${FILE}"
|
||
ln -s "${DEST}" "${FILE}"
|
||
elif [[ -d ${FILE} ]]
|
||
then
|
||
_notify 'inf' "Moving contents of ${FILE} to ${DEST}:" "$(ls "${FILE}")"
|
||
mv "${FILE}" "${DEST}"
|
||
ln -s "${DEST}" "${FILE}"
|
||
else
|
||
_notify 'inf' "Linking ${FILE} to ${DEST}"
|
||
mkdir -p "${DEST}"
|
||
ln -s "${DEST}" "${FILE}"
|
||
fi
|
||
done
|
||
|
||
_notify 'inf' 'Fixing /var/mail-state/* permissions'
|
||
chown -R clamav /var/mail-state/lib-clamav
|
||
chown -R postfix /var/mail-state/lib-postfix
|
||
chown -R postgrey /var/mail-state/lib-postgrey
|
||
chown -R debian-spamd /var/mail-state/lib-spamassassin
|
||
chown -R postfix /var/mail-state/spool-postfix
|
||
fi
|
||
}
|
||
|
||
##########################################################################
|
||
# >> Start Daemons
|
||
##########################################################################
|
||
|
||
function start_daemons
|
||
{
|
||
_notify 'tasklog' 'Starting mail server'
|
||
|
||
for FUNC in "${DAEMONS_START[@]}"
|
||
do
|
||
if ! ${FUNC}
|
||
then
|
||
_defunc
|
||
fi
|
||
done
|
||
}
|
||
|
||
function _start_daemons_cron
|
||
{
|
||
_notify 'task' 'Starting cron' 'n'
|
||
supervisorctl start cron
|
||
}
|
||
|
||
function _start_daemons_rsyslog
|
||
{
|
||
_notify 'task' 'Starting rsyslog ' 'n'
|
||
supervisorctl start rsyslog
|
||
}
|
||
|
||
function _start_daemons_saslauthd
|
||
{
|
||
_notify 'task' 'Starting saslauthd' 'n'
|
||
supervisorctl start "saslauthd_${SASLAUTHD_MECHANISMS}"
|
||
}
|
||
|
||
function _start_daemons_fail2ban
|
||
{
|
||
_notify 'task' 'Starting fail2ban ' 'n'
|
||
touch /var/log/auth.log
|
||
|
||
# delete fail2ban.sock that probably was left here after container restart
|
||
if [[ -e /var/run/fail2ban/fail2ban.sock ]]
|
||
then
|
||
rm /var/run/fail2ban/fail2ban.sock
|
||
fi
|
||
|
||
supervisorctl start fail2ban
|
||
}
|
||
|
||
function _start_daemons_opendkim
|
||
{
|
||
_notify 'task' 'Starting opendkim ' 'n'
|
||
supervisorctl start opendkim
|
||
}
|
||
|
||
function _start_daemons_opendmarc
|
||
{
|
||
_notify 'task' 'Starting opendmarc ' 'n'
|
||
supervisorctl start opendmarc
|
||
}
|
||
|
||
function _start_daemons_postsrsd
|
||
{
|
||
_notify 'task' 'Starting postsrsd ' 'n'
|
||
supervisorctl start postsrsd
|
||
}
|
||
|
||
function _start_daemons_postfix
|
||
{
|
||
_notify 'task' 'Starting postfix' 'n'
|
||
supervisorctl start postfix
|
||
}
|
||
|
||
function _start_daemons_dovecot
|
||
{
|
||
# Here we are starting sasl and imap, not pop3 because it's disabled by default
|
||
_notify 'task' 'Starting dovecot services' 'n'
|
||
|
||
if [[ ${ENABLE_POP3} -eq 1 ]]
|
||
then
|
||
_notify 'task' 'Starting pop3 services' 'n'
|
||
mv /etc/dovecot/protocols.d/pop3d.protocol.disab /etc/dovecot/protocols.d/pop3d.protocol
|
||
fi
|
||
|
||
if [[ -f /tmp/docker-mailserver/dovecot.cf ]]
|
||
then
|
||
cp /tmp/docker-mailserver/dovecot.cf /etc/dovecot/local.conf
|
||
fi
|
||
|
||
supervisorctl start dovecot
|
||
|
||
# TODO fix: on integration test
|
||
# doveadm: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: No such file or directory
|
||
# doveadm: Fatal: user listing failed
|
||
|
||
# if [[ ${ENABLE_LDAP} -ne 1 ]]
|
||
# then
|
||
# echo "Listing users"
|
||
# /usr/sbin/dovecot user '*'
|
||
# fi
|
||
}
|
||
|
||
function _start_daemons_fetchmail
|
||
{
|
||
_notify 'task' 'Preparing fetchmail config'
|
||
/usr/local/bin/setup-fetchmail
|
||
if [[ ${FETCHMAIL_PARALLEL} -eq 1 ]]
|
||
then
|
||
mkdir /etc/fetchmailrc.d/
|
||
/usr/local/bin/fetchmailrc_split
|
||
|
||
COUNTER=0
|
||
for RC in /etc/fetchmailrc.d/fetchmail-*.rc
|
||
do
|
||
COUNTER=$((COUNTER+1))
|
||
cat <<EOF > "/etc/supervisor/conf.d/fetchmail-${COUNTER}.conf"
|
||
[program:fetchmail-${COUNTER}]
|
||
startsecs=0
|
||
autostart=false
|
||
autorestart=true
|
||
stdout_logfile=/var/log/supervisor/%(program_name)s.log
|
||
stderr_logfile=/var/log/supervisor/%(program_name)s.log
|
||
user=fetchmail
|
||
command=/usr/bin/fetchmail -f ${RC} -v --nodetach --daemon %(ENV_FETCHMAIL_POLL)s -i /var/lib/fetchmail/.fetchmail-UIDL-cache --pidfile /var/run/fetchmail/%(program_name)s.pid
|
||
EOF
|
||
chmod 700 "${RC}"
|
||
chown fetchmail:root "${RC}"
|
||
done
|
||
|
||
supervisorctl reread
|
||
supervisorctl update
|
||
|
||
COUNTER=0
|
||
for _ in /etc/fetchmailrc.d/fetchmail-*.rc
|
||
do
|
||
COUNTER=$((COUNTER+1))
|
||
_notify 'task' "Starting fetchmail instance ${COUNTER}" 'n'
|
||
supervisorctl start "fetchmail-${COUNTER}"
|
||
done
|
||
|
||
else
|
||
_notify 'task' 'Starting fetchmail' 'n'
|
||
supervisorctl start fetchmail
|
||
fi
|
||
}
|
||
|
||
function _start_daemons_clamav
|
||
{
|
||
_notify 'task' 'Starting clamav' 'n'
|
||
supervisorctl start clamav
|
||
}
|
||
|
||
function _start_daemons_postgrey
|
||
{
|
||
_notify 'task' 'Starting postgrey' 'n'
|
||
rm -f /var/run/postgrey/postgrey.pid
|
||
supervisorctl start postgrey
|
||
}
|
||
|
||
function _start_daemons_amavis
|
||
{
|
||
_notify 'task' 'Starting amavis' 'n'
|
||
supervisorctl start amavis
|
||
}
|
||
|
||
##########################################################################
|
||
# << Start Daemons
|
||
##########################################################################
|
||
|
||
|
||
##########################################################################
|
||
# Start check for update postfix-accounts and postfix-virtual
|
||
##########################################################################
|
||
|
||
function _start_changedetector
|
||
{
|
||
_notify 'task' 'Starting changedetector' 'n'
|
||
supervisorctl start changedetector
|
||
}
|
||
|
||
# ! ––––––––––––––––––––––––––––––––––––––––––––––
|
||
# ! ––– CARE – BEGIN –––––––––––––––––––––––––––––
|
||
# ! ––––––––––––––––––––––––––––––––––––––––––––––
|
||
|
||
# shellcheck source=./helper-functions.sh
|
||
. /usr/local/bin/helper-functions.sh
|
||
|
||
if [[ ${DMS_DEBUG:-0} -eq 1 ]]
|
||
then
|
||
_notify 'inf' 'ENVIRONMENT'
|
||
printenv
|
||
fi
|
||
|
||
_notify 'inf' 'Welcome to docker-mailserver!'
|
||
|
||
register_functions
|
||
check
|
||
setup
|
||
fix
|
||
misc
|
||
start_daemons
|
||
|
||
_notify 'tasklog' "${HOSTNAME} is up and running"
|
||
|
||
touch /var/log/mail/mail.log
|
||
tail -fn 0 /var/log/mail/mail.log
|
||
|
||
# ! ––––––––––––––––––––––––––––––––––––––––––––––
|
||
# ! ––– CARE – END –––––––––––––––––––––––––––––––
|
||
# ! ––––––––––––––––––––––––––––––––––––––––––––––
|
||
|
||
exit 0
|