mirror of
https://github.com/docker-mailserver/docker-mailserver
synced 2024-04-27 23:35:06 +02:00
102 lines
3.2 KiB
Bash
102 lines
3.2 KiB
Bash
#!/bin/bash
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function _setup_fetchmail() {
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if [[ ${ENABLE_FETCHMAIL} -eq 1 ]]; then
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_log 'trace' 'Enabling and configuring Fetchmail'
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local CONFIGURATION FETCHMAILRC
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CONFIGURATION='/tmp/docker-mailserver/fetchmail.cf'
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FETCHMAILRC='/etc/fetchmailrc'
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if [[ -f ${CONFIGURATION} ]]; then
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cat /etc/fetchmailrc_general "${CONFIGURATION}" >"${FETCHMAILRC}"
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else
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cat /etc/fetchmailrc_general >"${FETCHMAILRC}"
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fi
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chmod 700 "${FETCHMAILRC}"
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chown fetchmail:root "${FETCHMAILRC}"
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else
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_log 'debug' 'Fetchmail is disabled'
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fi
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}
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function _setup_fetchmail_parallel() {
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if [[ ${FETCHMAIL_PARALLEL} -eq 1 ]]; then
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_log 'trace' 'Enabling and configuring Fetchmail parallel'
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mkdir /etc/fetchmailrc.d/
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# Split the content of /etc/fetchmailrc into
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# smaller fetchmailrc files per server [poll] entries. Each
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# separate fetchmailrc file is stored in /etc/fetchmailrc.d
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#
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# The sole purpose for this is to work around what is known
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# as the Fetchmail IMAP idle issue.
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function _fetchmailrc_split() {
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local FETCHMAILRC='/etc/fetchmailrc'
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local FETCHMAILRCD='/etc/fetchmailrc.d'
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local DEFAULT_FILE="${FETCHMAILRCD}/defaults"
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if [[ ! -r ${FETCHMAILRC} ]]; then
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_log 'warn' "File '${FETCHMAILRC}' not found"
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return 1
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fi
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if [[ ! -d ${FETCHMAILRCD} ]]; then
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if ! mkdir "${FETCHMAILRCD}"; then
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_log 'warn' "Unable to create folder '${FETCHMAILRCD}'"
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return 1
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fi
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fi
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local COUNTER=0 SERVER=0
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while read -r LINE; do
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if [[ ${LINE} =~ poll ]]; then
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# If we read "poll" then we reached a new server definition
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# We need to create a new file with fetchmail defaults from
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# /etc/fetcmailrc
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COUNTER=$(( COUNTER + 1 ))
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SERVER=1
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cat "${DEFAULT_FILE}" >"${FETCHMAILRCD}/fetchmail-${COUNTER}.rc"
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echo "${LINE}" >>"${FETCHMAILRCD}/fetchmail-${COUNTER}.rc"
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elif [[ ${SERVER} -eq 0 ]]; then
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# We have not yet found "poll". Let's assume we are still reading
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# the default settings from /etc/fetchmailrc file
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echo "${LINE}" >>"${DEFAULT_FILE}"
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else
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# Just the server settings that need to be added to the specific rc.d file
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echo "${LINE}" >>"${FETCHMAILRCD}/fetchmail-${COUNTER}.rc"
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fi
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done < <(_get_valid_lines_from_file "${FETCHMAILRC}")
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rm "${DEFAULT_FILE}"
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}
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_fetchmailrc_split
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local COUNTER=0
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for RC in /etc/fetchmailrc.d/fetchmail-*.rc
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do
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COUNTER=$(( COUNTER + 1 ))
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cat >"/etc/supervisor/conf.d/fetchmail-${COUNTER}.conf" << EOF
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[program:fetchmail-${COUNTER}]
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startsecs=0
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autostart=false
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autorestart=true
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stdout_logfile=/var/log/supervisor/%(program_name)s.log
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stderr_logfile=/var/log/supervisor/%(program_name)s.log
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user=fetchmail
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command=/usr/bin/fetchmail -f ${RC} -v --nodetach --daemon %(ENV_FETCHMAIL_POLL)s -i /var/lib/fetchmail/.fetchmail-UIDL-cache --pidfile /var/run/fetchmail/%(program_name)s.pid
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EOF
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chmod 700 "${RC}"
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chown fetchmail:root "${RC}"
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done
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supervisorctl reread
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supervisorctl update
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else
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_log 'debug' 'Fetchmail parallel is disabled'
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fi
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}
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