mirror of
https://github.com/docker-mailserver/docker-mailserver
synced 2024-04-27 23:35:06 +02:00
77 lines
2.2 KiB
Bash
77 lines
2.2 KiB
Bash
#!/bin/bash
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function _setup_mailname() {
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_log 'debug' "Setting up mailname and creating '/etc/mailname'"
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echo "${DOMAINNAME}" >/etc/mailname
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}
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function _setup_docker_permit() {
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_log 'debug' 'Setting up PERMIT_DOCKER option'
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local CONTAINER_IP CONTAINER_NETWORK
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unset CONTAINER_NETWORKS
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declare -a CONTAINER_NETWORKS
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CONTAINER_IP=$(ip addr show "${NETWORK_INTERFACE}" | \
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grep 'inet ' | sed 's|[^0-9\.\/]*||g' | cut -d '/' -f 1)
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CONTAINER_NETWORK=$(echo "${CONTAINER_IP}" | cut -d '.' -f1-2).0.0
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if [[ -z ${CONTAINER_IP} ]]; then
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_log 'error' 'Detecting the container IP address failed'
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_dms_panic__misconfigured 'NETWORK_INTERFACE' 'Network Setup [docker_permit]'
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fi
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while read -r IP; do
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CONTAINER_NETWORKS+=("${IP}")
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done < <(ip -o -4 addr show type veth | grep -E -o '[0-9\.]+/[0-9]+')
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function __clear_postfix_mynetworks() {
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_log 'trace' "Clearing Postfix's 'mynetworks'"
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postconf "mynetworks ="
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}
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function __add_to_postfix_mynetworks() {
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local NETWORK_TYPE=$1
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local NETWORK=$2
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_log 'trace' "Adding ${NETWORK_TYPE} (${NETWORK}) to Postfix 'main.cf:mynetworks'"
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_adjust_mtime_for_postfix_maincf
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postconf "$(postconf | grep '^mynetworks =') ${NETWORK}"
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[[ ${ENABLE_OPENDMARC} -eq 1 ]] && echo "${NETWORK}" >>/etc/opendmarc/ignore.hosts
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[[ ${ENABLE_OPENDKIM} -eq 1 ]] && echo "${NETWORK}" >>/etc/opendkim/TrustedHosts
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}
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case "${PERMIT_DOCKER}" in
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( 'none' )
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__clear_postfix_mynetworks
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;;
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( 'connected-networks' )
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for CONTAINER_NETWORK in "${CONTAINER_NETWORKS[@]}"
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do
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CONTAINER_NETWORK=$(_sanitize_ipv4_to_subnet_cidr "${CONTAINER_NETWORK}")
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__add_to_postfix_mynetworks 'Docker Network' "${CONTAINER_NETWORK}"
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done
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;;
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( 'container' )
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__add_to_postfix_mynetworks 'Container IP address' "${CONTAINER_IP}/32"
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;;
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( 'host' )
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__add_to_postfix_mynetworks 'Host Network' "${CONTAINER_NETWORK}/16"
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;;
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( 'network' )
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__add_to_postfix_mynetworks 'Docker IPv4 Subnet' '172.16.0.0/12'
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;;
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( * )
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_log 'warn' "Invalid value for PERMIT_DOCKER: '${PERMIT_DOCKER}'"
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__clear_postfix_mynetworks
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;;
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esac
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}
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