935 lines
24 KiB
Bash
Executable File
935 lines
24 KiB
Bash
Executable File
#!/usr/bin/env bash
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clear
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echo -e "\n \033[32mStart Installation of OpenDMARC..\033[m"
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overwrite_config_files=true
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# -------------
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# - Settings
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# -------------
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#_src_base_dir="$(realpath $(dirname $0))"
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#conf_file="${_src_base_dir}/conf/install_opendmarc.conf"
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_opendmarc_packages="opendmarc"
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opendmarc_base_dir="/etc/opendmarc"
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opendmarc_conf_file="/etc/opendmarc.conf"
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postfix_spool_dir="/var/spool/postfix"
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opendmarc_socket_dir="${postfix_spool_dir}/opendmarc"
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opendmarc_socket_file="${opendmarc_socket_dir}/opendmarc.sock"
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config_file_name_value_parameters="
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AuthservID|$(hostname -f)
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TrustedAuthservIDs|$(hostname -f)
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PidFile|/run/opendmarc/opendmarc.pid
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RejectFailures|true
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Syslog|true
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SyslogFacility|mail
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IgnoreHosts|${opendmarc_base_dir}/ignore.hosts
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IgnoreMailFrom|${opendmarc_base_dir}/ignore.mailfrom
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IgnoreAuthenticatedClients|true
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RequiredHeaders|false
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UMask|002
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FailureReports|false
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AutoRestart|true
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HistoryFile|/run/opendmarc/opendmarc.dat
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SPFIgnoreResults|false
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SPFSelfValidate|true
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Socket|${opendmarc_socket_file}
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"
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declare -a config_file_name_value_parameter_arr=()
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for _conf in $config_file_name_value_parameters ; do
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config_file_name_value_parameter_arr+=("$_conf")
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done
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postfix_needs_restart=false
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opendmarc_needs_restart=false
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backup_date="$(date +%Y-%m-%d-%H%M)"
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log_file="$(mktemp)"
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# -------------
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# --- Some functions
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# -------------
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echononl(){
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echo X\\c > /tmp/shprompt$$
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if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
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echo -e -n "$*\\c" 1>&2
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else
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echo -e -n "$*" 1>&2
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fi
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rm /tmp/shprompt$$
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}
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fatal(){
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echo ""
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echo -e "fatal error: $*"
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echo ""
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echo -e "\t\033[31m\033[1mInstalllation will be interrupted\033[m\033[m"
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echo ""
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exit 1
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}
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error(){
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echo ""
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echo -e "\t[ \033[31m\033[1mFehler\033[m ]: $*"
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echo ""
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}
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warn (){
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echo ""
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echo -e "\t[ \033[33m\033[1mWarning\033[m ]: $*"
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echo ""
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}
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info (){
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echo ""
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echo -e "\t[ \033[32m\033[1mInfo\033[m ]: $*"
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echo ""
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}
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echo_done() {
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echo -e "\033[80G[ \033[32mdone\033[m ]"
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}
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echo_ok() {
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echo -e "\033[80G[ \033[32mok\033[m ]"
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}
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echo_warning() {
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echo -e "\033[80G[ \033[33m\033[1mwarn\033[m ]"
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}
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echo_failed(){
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echo -e "\033[80G[ \033[1;31mfailed\033[m ]"
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}
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echo_skipped() {
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echo -e "\033[80G[ \033[37mskipped\033[m ]"
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}
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# -------------
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# - Some pre-installation tasks
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# -------------
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# - Is 'systemd' supported on this system
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# -
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if [ "X`which systemd`" = "X" ]; then
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SYSTEMD_EXISTS=false
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else
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SYSTEMD_EXISTS=true
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fi
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# =============
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# - Start Installation
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# =============
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echo ""
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# - Synchronise package index files with the repository
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# -
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echononl " Synchronise package index files with the repository.."
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apt-get update > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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# - Install opendmarc
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# -
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echononl " Install needed debian packages.."
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opendmarc_packages=""
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packages_installed=false
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for _pkg in $_opendmarc_packages ; do
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if aptitude search "$_pkg" | grep " $_pkg " | grep -e "^i" > /dev/null 2>&1 ; then
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continue
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else
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opendmarc_packages="$opendmarc_packages $_pkg"
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fi
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done
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if [[ -n "$opendmarc_packages" ]]; then
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DEBIAN_FRONTEND=noninteractive apt-get -y install $opendmarc_packages > /dev/null 2> "$log_file"
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packages_installed=true
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opendmarc_needs_restart=true
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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else
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echo_skipped
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fi
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# - Add user 'postfix' to group 'opendmarc'
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# -
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echononl " Add user 'postfix' to group 'opendmarc'.."
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if grep -E "^opendmarc" /etc/group | grep -q postfix 2> /dev/null ; then
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echo_skipped
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else
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usermod -a -G opendmarc postfix > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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fi
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# - Add 'IgnoreHosts' with default value to the original opendmarc.conf file
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#
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echononl " Add 'IgnoreHosts' with default value to the opendmarc.conf file.."
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if ! $(grep -q -E "^IgnoreHosts\s+" ${opendmarc_conf_file} 2> /dev/null) ; then
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cat << EOF >> ${opendmarc_conf_file}
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## Specifies the path to a file that contains a list of hostnames, IP addresses,
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## and/or CIDR expressions identifying hosts whose SMTP connections are to be
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## ignored by the filter. If not specified, defaults to "127.0.0.1" only.
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#
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IgnoreHosts 127.0.0.1
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# Optional - auch nach Absender-Domain ignorieren:
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IgnoreMailFrom ${opendmarc_base_dir}/ignore.mailfrom
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EOF
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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else
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echo_skipped
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fi
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# - Add 'IgnoreAuthenticatedClients' with default value to the original opendmarc.conf file
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#
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_param="IgnoreAuthenticatedClients"
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echononl " Add '${_param}' with default value to the opendmarc.conf file.."
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if ! $(grep -q -E "^${_param}\s+" ${opendmarc_conf_file} 2> /dev/null) ; then
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cat << EOF >> ${opendmarc_conf_file}
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## If set, causes mail from authenticated clients (i.e., those that used
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## SMTP AUTH) to be ignored by the filter. The default is "false".
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#
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IgnoreAuthenticatedClients false
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EOF
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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else
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echo_skipped
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fi
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# - Add 'TrustedAuthservIDs' with default value to the original opendmarc.conf file
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#
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_param="TrustedAuthservIDs"
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echononl " Add '${_param}' with default value to the opendmarc.conf file.."
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if ! $(grep -q -E "^${_param}\s+" ${opendmarc_conf_file} 2> /dev/null) ; then
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cat << EOF >> ${opendmarc_conf_file}
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# Provides a list of authserv-ids that are to be used to identify Authentication-Results
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# header fields whose contents are to be assumed as valid input for the DMARC assessment.
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# To provide a list, separate values by commas. If the string "HOSTNAME" is provided,
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# the name of the host running the filter (as returned by the gethostname(3) function)
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# will be used. Matching against this list is case-insensitive. The default is to use the
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# value of AuthservID.
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#
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TrustedAuthservIDs OpenDMARC
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EOF
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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else
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echo_skipped
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fi
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# - Add 'RequiredHeaders' with default value to the original opendmarc.conf file
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#
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_param="IgnoreAuthenticatedClients"
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echononl " Add '${_param}' with default value to the opendmarc.conf file.."
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if ! $(grep -q -E "^${_param}\s+" ${opendmarc_conf_file} 2> /dev/null) ; then
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cat << EOF >> ${opendmarc_conf_file}
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## If set, causes mail from authenticated clients (i.e., those that used
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## SMTP AUTH) to be ignored by the filter. The default is "false".
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#
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IgnoreAuthenticatedClients false
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EOF
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
|
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error "$(cat $log_file)"
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fi
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else
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echo_skipped
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fi
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# - Add 'RequiredHeaders' with default value to the original opendmarc.conf file
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#
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_param="RequiredHeaders"
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echononl " Add '${_param}' with default value to the opendmarc.conf file.."
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if ! $(grep -q -E "^${_param}\s+" ${opendmarc_conf_file} 2> /dev/null) ; then
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cat << EOF >> ${opendmarc_conf_file}
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## If set, the filter will ensure the header of the message conforms to the basic
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## header field count restrictions laid out in RFC5322, Section 3.6. Messages
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## failing this test are rejected without further processing. A From: field from
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## which no domain name could be extracted will also be rejected.
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#
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RequiredHeaders false
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EOF
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
|
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error "$(cat $log_file)"
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fi
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else
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echo_skipped
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fi
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# - Add 'AutoRestart' with default value to the original opendmarc.conf file
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#
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_param="AutoRestart"
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echononl " Add '${_param}' with default value to the opendmarc.conf file.."
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if ! $(grep -q -E "^${_param}\s+" ${opendmarc_conf_file} 2> /dev/null) ; then
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cat << EOF >> ${opendmarc_conf_file}
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## Automatically re-start on failures. Use with caution; if the filter fails
|
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## instantly after it starts, this can cause a tight fork(2) loop.
|
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#
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AutoRestart false
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EOF
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if [[ $? -eq 0 ]] ; then
|
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echo_ok
|
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else
|
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echo_failed
|
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error "$(cat $log_file)"
|
||
fi
|
||
else
|
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echo_skipped
|
||
fi
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||
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# - Add 'HistoryFile' with default value to the original opendmarc.conf file
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#
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_param="HistoryFile"
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echononl " Add '${_param}' with default value to the opendmarc.conf file.."
|
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if ! $(grep -q -E "^${_param}\s+" ${opendmarc_conf_file} 2> /dev/null) ; then
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cat << EOF >> ${opendmarc_conf_file}
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## If set, specifies the location of a text file to which records are written
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## that can be used to generate DMARC aggregate reports. Records are batches of
|
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## rows containing information about a single received message, and include all
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## relevant information needed to generate a DMARC aggregate report. It is
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## expected that this will not be used in its raw form, but rather periodically
|
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## imported into a relational database from which the aggregate reports can be
|
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## extracted using opendmarc-importstats(8).
|
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#
|
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HistoryFile /run/opendmarc/opendmarc.dat
|
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EOF
|
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if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
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else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
else
|
||
echo_skipped
|
||
fi
|
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|
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# - Add 'SPFIgnoreResults' with default value to the original opendmarc.conf file
|
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#
|
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_param="SPFIgnoreResults"
|
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echononl " Add '${_param}' with default value to the opendmarc.conf file.."
|
||
if ! $(grep -q -E "^${_param}\s+" ${opendmarc_conf_file} 2> /dev/null) ; then
|
||
cat << EOF >> ${opendmarc_conf_file}
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|
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## Causes the filter to ignore any SPF results in the header of the message. This
|
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## is useful if you want the filter to perform SPF checks itself, or because you
|
||
## don't trust the arriving header. The default is "false".
|
||
#
|
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SPFIgnoreResults false
|
||
EOF
|
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if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
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error "$(cat $log_file)"
|
||
fi
|
||
else
|
||
echo_skipped
|
||
fi
|
||
|
||
|
||
# - Add 'SPFSelfValidate' with default value to the original opendmarc.conf file
|
||
#
|
||
_param="SPFSelfValidate"
|
||
echononl " Add '${_param}' with default value to the opendmarc.conf file.."
|
||
if ! $(grep -q -E "^${_param}\s+" ${opendmarc_conf_file} 2> /dev/null) ; then
|
||
cat << EOF >> ${opendmarc_conf_file}
|
||
|
||
## Causes the filter to perform a fallback SPF check itself when it can find no
|
||
## SPF results in the message header. If SPFIgnoreResults is also set, it never
|
||
## looks for SPF results in headers and always performs the SPF check itself when
|
||
## this is set. The default is "false".
|
||
#
|
||
SPFSelfValidate false
|
||
EOF
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
else
|
||
echo_skipped
|
||
fi
|
||
|
||
|
||
# - Save configuration file from distribution
|
||
# -
|
||
echononl " Save configuration file from distribution"
|
||
if [[ -f "${opendmarc_conf_file}.ORIG" ]] ; then
|
||
echo_skipped
|
||
else
|
||
cp -a $opendmarc_conf_file $opendmarc_conf_file.ORIG 2> "$log_file"
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
fi
|
||
|
||
for _val in "${config_file_name_value_parameter_arr[@]}" ; do
|
||
IFS='|' read -a _val_arr <<< "${_val}"
|
||
|
||
echononl " $opendmarc_conf_file: ${_val_arr[0]} -> ${_val_arr[1]}.."
|
||
if $(grep -E -q "^\s*${_val_arr[0]}\s+${_val_arr[1]}\s*$" $opendmarc_conf_file 2> /dev/null) ; then
|
||
echo_skipped
|
||
elif $(grep -E -q "^\s*#\s*${_val_arr[0]}\s+" $opendmarc_conf_file 2> /dev/null); then
|
||
perl -i -n -p -e "s&^(\s*#\s*${_val_arr[0]}.*)&\1\n${_val_arr[0]} ${_val_arr[1]}&" $opendmarc_conf_file > "$log_file" 2>&1
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
opendmarc_needs_restart=true
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
elif $(grep -E -q "^\s*${_val_arr[0]}\s+" $opendmarc_conf_file 2> /dev/null) ; then
|
||
perl -i -n -p -e "s#^(\s*${_val_arr[0]}.*)#\#\1\n${_val_arr[0]} ${_val_arr[1]}#" $opendmarc_conf_file > "$log_file" 2>&1
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
opendmarc_needs_restart=true
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
else
|
||
cat <<EOF >> $opendmarc_conf_file 2> "$log_file"
|
||
|
||
${_val_arr[0]} ${_val_arr[1]}
|
||
EOF
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
opendmarc_needs_restart=true
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
fi
|
||
done
|
||
|
||
|
||
# - Assign ownership to the opendmarc user and restrict tthe
|
||
# - file permissions:
|
||
# -
|
||
echononl " Assign file permissions to '$opendmarc_conf_file'.."
|
||
chmod u=rw,go=r $opendmarc_conf_file 2> $log_file
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
|
||
|
||
# - Create the directories to hold opendmarc's data files, assign
|
||
# - ownership to the opendmarc user, and restrict the file
|
||
# - permissions:
|
||
# -
|
||
echononl " Create directory '$opendmarc_base_dir'"
|
||
if [[ -d "$opendmarc_base_dir" ]] ; then
|
||
echo_skipped
|
||
else
|
||
opendmarc_needs_restart=true
|
||
mkdir ${opendmarc_base_dir} 2> $log_file
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
fi
|
||
echononl " Set ownership on directory '${opendmarc_base_dir}' (recursive).."
|
||
chown -R opendmarc:opendmarc ${opendmarc_base_dir} 2> $log_file
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
|
||
|
||
echononl " Backup existing file '${opendmarc_base_dir}/ignore.hosts'.."
|
||
if [[ -f "${opendmarc_base_dir}/ignore.hosts" ]] ; then
|
||
mv "${opendmarc_base_dir}/ignore.hosts" "${opendmarc_base_dir}/ignore.hosts.${backup_date}"
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
else
|
||
echo_skipped
|
||
fi
|
||
|
||
# - Create the file ${opendmarc_base_dir}/ignore.hosts
|
||
# -
|
||
echononl " Create file '${opendmarc_base_dir}/ignore.hosts'.."
|
||
if [[ -f "${opendmarc_base_dir}/ignore.hosts" ]] ; then
|
||
echo_skipped
|
||
else
|
||
cat <<EOF > ${opendmarc_base_dir}/ignore.hosts 2> $log_file
|
||
# /etc/opendmarc/ignore.hosts
|
||
#
|
||
# Aktuell hat OpenDMARC seinen Milter nur am Dienst
|
||
# 'localhost:10025' hängen. Dort ist der Client
|
||
# immer 127.0.0.1, nicht die externe Gegenstelle.
|
||
#
|
||
# Deshalb macht es in diesem Setup keinen Sinn,
|
||
# hier IP-Adressen von externen Diensten (CRSend etc.)
|
||
# einzutragen – sie würden nie matchen.
|
||
#
|
||
# WICHTIG:
|
||
# - KEIN 127.0.0.1
|
||
# - KEIN localhost
|
||
# - KEIN ::1
|
||
#
|
||
# Eintrag dieser Adressen würde DMARC komplett deaktivieren.
|
||
#
|
||
# ==> Datei bleibt absichtlich leer.
|
||
EOF
|
||
opendmarc_needs_restart=true
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
fi
|
||
|
||
|
||
# - Create the file ${opendmarc_base_dir}/ignore.hosts
|
||
# -
|
||
|
||
echononl " Backup existing file '${opendmarc_base_dir}/ignore.mailfrom'.."
|
||
if [[ -f "${opendmarc_base_dir}/ignore.mailfrom" ]] ; then
|
||
mv "${opendmarc_base_dir}/ignore.mailfrom" "${opendmarc_base_dir}/ignore.mailfrom.${backup_date}"
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
else
|
||
echo_skipped
|
||
fi
|
||
|
||
echononl " Create file '${opendmarc_base_dir}/ignore.mailfrom'.."
|
||
if [[ -f "${opendmarc_base_dir}/ignore.mailfrom" ]] ; then
|
||
echo_skipped
|
||
else
|
||
cat <<EOF > ${opendmarc_base_dir}/ignore.mailfrom 2> $log_file
|
||
# /etc/opendmarc/ignore.mailfrom
|
||
#
|
||
# Hier könnte man Absender-Domains von der DMARC-Prüfung
|
||
# ausnehmen (z. B. problematische Partner-Domains).
|
||
#
|
||
# Aktuell ist das für dein Setup nicht notwendig.
|
||
#
|
||
# Beispiele (NICHT aktiv!):
|
||
# @example.org
|
||
# example.org
|
||
#
|
||
# ==> Datei bleibt absichtlich leer.
|
||
EOF
|
||
opendmarc_needs_restart=true
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
fi
|
||
|
||
|
||
# - Edit /etc/default/opendmarc
|
||
# -
|
||
# - Set:
|
||
# - SOCKET="local:${postfix_spool_dir}/opendmarc/opendmarc.sock"
|
||
# -
|
||
echononl " Set 'SOCKET' at file /etc/default/opendmarc.."
|
||
if grep -q -E "^\s*SOCKET" /etc/default/opendmarc 2>/dev/null ; then
|
||
if grep -q -E "^\s*SOCKET\s*=\s*\"*local:$opendmarc_socket_file" /etc/default/opendmarc 2>/dev/null ; then
|
||
echo_skipped
|
||
else
|
||
perl -i -n -p -e "s#^\s*SOCKET=.*#SOCKET=\"local:$opendmarc_socket_file\"#" /etc/default/opendmarc 2> $log_file
|
||
opendmarc_needs_restart=true
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
fi
|
||
else
|
||
cat <<EOF >>/etc/default/opendmarc 2> $log_file
|
||
SOCKET="local:$opendmarc_socket_file"
|
||
EOF
|
||
opendmarc_needs_restart=true
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
fi
|
||
|
||
|
||
# - Create the opendmarc socket directory in Postfix’s work area
|
||
# - and make sure it has the correct ownership:
|
||
# -
|
||
echononl " Create the opendmarc socket directory in Postfix's work area.."
|
||
if [[ -d "${postfix_spool_dir}/opendmarc" ]] ; then
|
||
echo_skipped
|
||
else
|
||
mkdir ${postfix_spool_dir}/opendmarc 2> $log_file
|
||
opendmarc_needs_restart=true
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
echononl " Set ownership on directory '${postfix_spool_dir}/opendmarc'.."
|
||
chown opendmarc:postfix ${postfix_spool_dir}/opendmarc 2> $log_file
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
fi
|
||
|
||
|
||
# - Edit /etc/postfix/main.cf and add a section to activate
|
||
# - processing of e-mail through the opendmarc daemon:
|
||
# -
|
||
echononl " Backup existing postfix configuration (main.cf).."
|
||
cp -a /etc/postfix/main.cf /etc/postfix/main.cf.$backup_date 2> $log_file
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
|
||
echononl " Set Variable non_smtpd_milters at '/etc/postfix/main.cf'.."
|
||
if $(grep -q -E "^\s*non_smtpd_milters\s*=\s*.*opendkim.sock" /etc/postfix/main.cf 2> /dev/null) ; then
|
||
if $(grep -q -E "^\s*non_smtpd_milters\s*=\s*.*$(basename "${opendmarc_socket_file}")" /etc/postfix/main.cf); then
|
||
echo_skipped
|
||
else
|
||
perl -i -n -p -e "s&^\s*(non_smtpd_milters\s*=.*opendkim.sock)&\1,local:/$(basename "${opendmarc_socket_dir}")/$(basename "${opendmarc_socket_file}")&" \
|
||
/etc/postfix/main.cf > $log_file 2>&1
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
postfix_needs_restart=true
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
fi
|
||
else
|
||
echo_skipped
|
||
warn "Postfix is not adjusted. Complete Postfix configuration (main.cf) manually\!"
|
||
fi
|
||
|
||
|
||
echo ""
|
||
|
||
|
||
# - Edit /etc/postfix/main.cf and add a section to activate
|
||
# - processing of e-mail through the OpenDKIM daemon:
|
||
# -
|
||
backup_date="$(date +%Y-%m-%d-%H%M)"
|
||
echononl " Backup existing postfix configuration (main.cf).."
|
||
cp -a /etc/postfix/main.cf /etc/postfix/main.cf.$backup_date 2> $log_file
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
|
||
echononl " Activate processing of e-mail through the OpenDKIM daemon.."
|
||
if grep -q -E "milter_default_action\s*=\s*accept" /etc/postfix/main.cf ; then
|
||
echo_skipped
|
||
info "Postfix (main.cf) was not changed - seems already be configured right."
|
||
echononl " Delete previosly saved Postfix configuration.."
|
||
rm /etc/postfix/main.cf.$backup_date 2> $log_file
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
else
|
||
cat <<EOF >> /etc/postfix/main.cf 2> $log_file
|
||
|
||
# ======= Milter configuration =======
|
||
|
||
# OpenDKIM
|
||
|
||
milter_default_action = accept
|
||
|
||
# Postfix ≥ 2.6 milter_protocol = 6, Postfix ≤ 2.5 milter_protocol = 2
|
||
milter_protocol = 6
|
||
|
||
# Note:
|
||
# We will sign AFTER sending through AmaVIS, just befor sending out. So
|
||
# set 'smtpd_milters =' to an emty string here and add to localhost:10025
|
||
# section in master.cf: 'smtpd_milters=local:/opendkim/opendkim.sock'
|
||
#
|
||
# If you want sign mails before sending through AmaVIS, set
|
||
# 'smtpd_milters = local:/opendkim/opendkim.sock' here and add to
|
||
# localhost:10025 section in master.cf: 'smtpd_milters='
|
||
#
|
||
#smtpd_milters = local:/opendkim/opendkim.sock
|
||
smtpd_milters =
|
||
|
||
# Was sind non_smtpd_milters?
|
||
#
|
||
# non_smtpd_milters gilt für alle Postfix-Prozesse, die Mails verarbeiten, aber NICHT
|
||
# der smtpd-Daemon sind.
|
||
#
|
||
# Das betrifft z. B.:
|
||
#
|
||
# cleanup Header/Content-Bereinigung
|
||
# qmgr Queue-Manager
|
||
# lmtp / smtp Auslieferung nach extern
|
||
# local lokale Zustellung
|
||
#
|
||
# Das sind z. B.:
|
||
#
|
||
# - interne Bounces (MAILER-DAEMON)
|
||
#
|
||
# - Cron-Mails vom Server
|
||
#
|
||
# - Weiterleitungen, die Postfix selbst generiert
|
||
#
|
||
# - Mails, die über sendmail CLI gesendet werden
|
||
#
|
||
# - Mails, die Amavis über LMTP zurückgibt
|
||
#
|
||
# - etc.
|
||
#
|
||
#
|
||
# DKIM soll auch die ausgehenden Mails signieren, die nicht über smtpd daemon versendet werden.
|
||
non_smtpd_milters = local:/opendkim/opendkim.sock
|
||
EOF
|
||
postfix_needs_restart=true
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
fi
|
||
|
||
|
||
echo ""
|
||
|
||
|
||
# - Prevent Postfix from setting the DMARC Header twice (one befor
|
||
# - and one after processing amavis
|
||
# -
|
||
# - To disable milter processing after amavis, add to your master.cf in
|
||
# - the after-amavis section:
|
||
# - 127.0.0.1:10025 inet n - - - - smtpd
|
||
# - [...]
|
||
# - -o smtpd_milters=
|
||
# -
|
||
# - If you want to run the milter after amavis, set in main.cf
|
||
# - smtpd_milters=
|
||
# - to an empty string and add the smtpd_milters configuration to master.cf
|
||
# - (after-section amavis) instead:
|
||
# - -o smtpd_milters=local:/opendmarc/opendmarc.sock
|
||
# -
|
||
echononl " Backup file '/etc/postfix/master.cf'.."
|
||
cp -a /etc/postfix/master.cf /etc/postfix/master.cf.${backup_date} 2> $log_file
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
|
||
echononl " Adjust /etc/postfix/master.cf. Set DMARC after sending throuh AmaVIS.."
|
||
_found=false
|
||
_changed=false
|
||
tmp_master_file="/tmp/postfix_master.cf"
|
||
> $tmp_master_file
|
||
while IFS='' read -r _line || [[ -n $_line ]] ; do
|
||
|
||
if $_found && ! echo "$_line" | grep -i -q -E "^\s*-o" 2> /dev/null ; then
|
||
echo " -o smtpd_milters=local:/opendmarc/opendmarc.sock" >> "$tmp_master_file"
|
||
_changed=true
|
||
_found=false
|
||
fi
|
||
|
||
if $_found && echo "$_line" | grep -i -q -E "^\s*-o\s+smtpd_milters=\s*" ; then
|
||
_found=false
|
||
if ! echo "$_line" | grep -i -q -E "^\s*-o\s+smtpd_milters=\s*local:/opendmarc/opendmarc.sock\s*$" ; then
|
||
echo " -o smtpd_milters=local:/opendmarc/opendmarc.sock" >> "$tmp_master_file"
|
||
_changed=true
|
||
continue
|
||
fi
|
||
|
||
fi
|
||
|
||
if echo "$_line" | grep -i -q -E "^\s*(localhost|127.0.0.1):10025\s+inet\s+" 2> /dev/null ; then
|
||
_found=true
|
||
fi
|
||
|
||
echo "$_line" >> "$tmp_master_file"
|
||
|
||
done < "/etc/postfix/master.cf"
|
||
|
||
if $_changed ; then
|
||
cp $tmp_master_file /etc/postfix/master.cf 2> $log_file
|
||
postfix_needs_restart=true
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
else
|
||
echo_skipped
|
||
info "Postfix (master.cf) was not changed - seems already be configured right."
|
||
echononl " Delete previosly saved file '/etc/postfix/master.cf'.."
|
||
rm /etc/postfix/master.cf.$backup_date 2> $log_file
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
fi
|
||
rm -f $tmp_master_file
|
||
|
||
echo ""
|
||
|
||
echononl " Enable OpenDMARC Service"
|
||
if $SYSTEMD_EXISTS ; then
|
||
systemctl enable opendmarc > $log_file 2>&1
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
else
|
||
warn "Maybe OpenDMARC Service is not enabled, because its an old non-systemd os.."
|
||
fi
|
||
|
||
# - Restart opendmarc
|
||
# -
|
||
echononl " Restart opendmarc.."
|
||
if $opendmarc_needs_restart ; then
|
||
if $SYSTEMD_EXISTS ; then
|
||
systemctl restart opendmarc > $log_file 2>&1
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
else
|
||
/etc/init.d/opendmarc restart > $log_file 2>&1
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
fi
|
||
else
|
||
echo_skipped
|
||
fi
|
||
|
||
|
||
# - Restart Postfix so it starts using opendmarc when processing mail:
|
||
# -
|
||
echononl " Restart Postfix.."
|
||
if $postfix_needs_restart ; then
|
||
if $SYSTEMD_EXISTS ; then
|
||
systemctl restart postfix > $log_file 2>&1
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
else
|
||
/etc/init.d/postfix restart > $log_file 2>&1
|
||
if [[ $? -eq 0 ]] ; then
|
||
echo_ok
|
||
else
|
||
echo_failed
|
||
error "$(cat $log_file)"
|
||
fi
|
||
fi
|
||
else
|
||
echo_skipped
|
||
fi
|
||
|
||
|
||
echo ""
|
||
rm -f "$log_file"
|
||
exit 0
|