mirror of
https://github.com/docker-mailserver/docker-mailserver.git
synced 2024-01-19 02:48:50 +00:00
be35d9bef1
* changed the locking function to better support multiple servers running at once and sharing the same config * helper function testing now runs inside of container Co-authored-by: Brennan Kinney <5098581+polarathene@users.noreply.github.com>
237 lines
7.7 KiB
Bash
Executable file
237 lines
7.7 KiB
Bash
Executable file
#! /bin/bash
|
||
|
||
# shellcheck source=./helper-functions.sh
|
||
. /usr/local/bin/helper-functions.sh
|
||
|
||
LOG_DATE=$(date +"%Y-%m-%d %H:%M:%S ")
|
||
_notify 'task' "${LOG_DATE} Start check-for-changes script."
|
||
|
||
# ? ––––––––––––––––––––––––––––––––––––––––––––– Checks
|
||
|
||
cd /tmp/docker-mailserver || exit 1
|
||
|
||
# check postfix-accounts.cf exist else break
|
||
if [[ ! -f postfix-accounts.cf ]]
|
||
then
|
||
_notify 'inf' "${LOG_DATE} postfix-accounts.cf is missing! This should not run! Exit!"
|
||
exit 0
|
||
fi
|
||
|
||
# verify checksum file exists; must be prepared by start-mailserver.sh
|
||
if [[ ! -f ${CHKSUM_FILE} ]]
|
||
then
|
||
_notify 'err' "${LOG_DATE} ${CHKSUM_FILE} is missing! Start script failed? Exit!"
|
||
exit 0
|
||
fi
|
||
|
||
# ? --------------------------------------------- Actual script begins
|
||
|
||
# determine postmaster address, duplicated from start-mailserver.sh
|
||
# this script previously didn't work when POSTMASTER_ADDRESS was empty
|
||
_obtain_hostname_and_domainname
|
||
|
||
PM_ADDRESS="${POSTMASTER_ADDRESS:=postmaster@${DOMAINNAME}}"
|
||
_notify 'inf' "${LOG_DATE} Using postmaster address ${PM_ADDRESS}"
|
||
sleep 10
|
||
|
||
while true
|
||
do
|
||
LOG_DATE=$(date +"%Y-%m-%d %H:%M:%S ")
|
||
|
||
# get chksum and check it, no need to lock config yet
|
||
_monitored_files_checksums >"${CHKSUM_FILE}.new"
|
||
cmp --silent -- "${CHKSUM_FILE}" "${CHKSUM_FILE}.new"
|
||
# cmp return codes
|
||
# 0 – files are identical
|
||
# 1 – files differ
|
||
# 2 – inaccessible or missing argument
|
||
if [ $? -eq 1 ]
|
||
then
|
||
_notify 'inf' "${LOG_DATE} Change detected"
|
||
create_lock # Shared config safety lock
|
||
CHANGED=$(grep -Fxvf "${CHKSUM_FILE}" "${CHKSUM_FILE}.new" | sed 's/^[^ ]\+ //')
|
||
|
||
# Bug alert! This overwrites the alias set by start-mailserver.sh
|
||
# Take care that changes in one script are propagated to the other
|
||
|
||
# ! NEEDS FIX -----------------------------------------
|
||
# TODO FIX --------------------------------------------
|
||
# ! NEEDS EXTENSIONS ----------------------------------
|
||
# TODO Perform updates below conditionally too --------
|
||
# Also note that changes are performed in place and are not atomic
|
||
# We should fix that and write to temporary files, stop, swap and start
|
||
|
||
for FILE in ${CHANGED}
|
||
do
|
||
case "${FILE}" in
|
||
"/etc/letsencrypt/acme.json" )
|
||
for CERTDOMAIN in ${SSL_DOMAIN} ${HOSTNAME} ${DOMAINNAME}
|
||
do
|
||
_extract_certs_from_acme "${CERTDOMAIN}" && break
|
||
done
|
||
;;
|
||
|
||
* )
|
||
_notify 'warn' 'File not found for certificate in check_for_changes.sh'
|
||
;;
|
||
|
||
esac
|
||
done
|
||
|
||
# regenerate postix aliases
|
||
echo "root: ${PM_ADDRESS}" >/etc/aliases
|
||
if [[ -f /tmp/docker-mailserver/postfix-aliases.cf ]]
|
||
then
|
||
cat /tmp/docker-mailserver/postfix-aliases.cf >>/etc/aliases
|
||
fi
|
||
postalias /etc/aliases
|
||
|
||
# regenerate postfix accounts
|
||
: >/etc/postfix/vmailbox
|
||
: >/etc/dovecot/userdb
|
||
|
||
if [[ -f /tmp/docker-mailserver/postfix-accounts.cf ]] && [[ ${ENABLE_LDAP} -ne 1 ]]
|
||
then
|
||
sed -i 's/\r//g' /tmp/docker-mailserver/postfix-accounts.cf
|
||
echo "# WARNING: this file is auto-generated. Modify config/postfix-accounts.cf to edit user list." >/etc/postfix/vmailbox
|
||
|
||
# Checking that /tmp/docker-mailserver/postfix-accounts.cf ends with a newline
|
||
# shellcheck disable=SC1003
|
||
sed -i -e '$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
|
||
|
||
# rebuild relay host
|
||
if [[ -n ${RELAY_HOST} ]]
|
||
then
|
||
# keep old config
|
||
: >/etc/postfix/sasl_passwd
|
||
if [[ -n ${SASL_PASSWD} ]]
|
||
then
|
||
echo "${SASL_PASSWD}" >>/etc/postfix/sasl_passwd
|
||
fi
|
||
|
||
# add domain-specific auth from config file
|
||
if [[ -f /tmp/docker-mailserver/postfix-sasl-password.cf ]]
|
||
then
|
||
while read -r LINE
|
||
do
|
||
if ! grep -q -e "\s*#" <<< "${LINE}"
|
||
then
|
||
echo "${LINE}" >>/etc/postfix/sasl_passwd
|
||
fi
|
||
done < <(grep -v "^\s*$\|^\s*\#" /tmp/docker-mailserver/postfix-sasl-password.cf || true)
|
||
fi
|
||
|
||
# add default relay
|
||
if [[ -n "${RELAY_USER}" ]] && [[ -n "${RELAY_PASSWORD}" ]]
|
||
then
|
||
echo "[${RELAY_HOST}]:${RELAY_PORT} ${RELAY_USER}:${RELAY_PASSWORD}" >>/etc/postfix/sasl_passwd
|
||
fi
|
||
fi
|
||
|
||
# creating users ; 'pass' is encrypted
|
||
# comments and empty lines are ignored
|
||
while IFS=$'|' read -r LOGIN PASS USER_ATTRIBUTES
|
||
do
|
||
USER=$(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=${USER_QUOTA[1]}"
|
||
fi
|
||
|
||
echo "${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}/${USER}"
|
||
|
||
if [[ -e /tmp/docker-mailserver/${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)
|
||
fi
|
||
|
||
[[ -n ${RELAY_HOST} ]] && _populate_relayhost_map
|
||
|
||
|
||
if [[ -f /etc/postfix/sasl_passwd ]]
|
||
then
|
||
chown root:root /etc/postfix/sasl_passwd
|
||
chmod 0600 /etc/postfix/sasl_passwd
|
||
fi
|
||
|
||
if [[ -f postfix-virtual.cf ]]
|
||
then
|
||
# regenerate postfix aliases
|
||
: >/etc/postfix/virtual
|
||
: >/etc/postfix/regexp
|
||
|
||
if [[ -f /tmp/docker-mailserver/postfix-virtual.cf ]]
|
||
then
|
||
cp -f /tmp/docker-mailserver/postfix-virtual.cf /etc/postfix/virtual
|
||
|
||
# the `to` seems to be important; don't delete it
|
||
# shellcheck disable=SC2034
|
||
while read -r FROM TO
|
||
do
|
||
UNAME=$(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*$\|^\s*\#" /tmp/docker-mailserver/postfix-virtual.cf || true)
|
||
fi
|
||
|
||
if [[ -f /tmp/docker-mailserver/postfix-regexp.cf ]]
|
||
then
|
||
cp -f /tmp/docker-mailserver/postfix-regexp.cf /etc/postfix/regexp
|
||
sed -i -e '/^virtual_alias_maps/{
|
||
s/ regexp:.*//
|
||
s/$/ regexp:\/etc\/postfix\/regexp/
|
||
}' /etc/postfix/main.cf
|
||
fi
|
||
fi
|
||
|
||
if [[ -f /tmp/vhost.tmp ]]
|
||
then
|
||
sort < /tmp/vhost.tmp | uniq >/etc/postfix/vhost
|
||
rm /tmp/vhost.tmp
|
||
fi
|
||
|
||
if find /var/mail -maxdepth 3 -a \( \! -user 5000 -o \! -group 5000 \) | read -r
|
||
then
|
||
chown -R 5000:5000 /var/mail
|
||
fi
|
||
|
||
supervisorctl restart postfix
|
||
|
||
# prevent restart of dovecot when smtp_only=1
|
||
[[ ${SMTP_ONLY} -ne 1 ]] && supervisorctl restart dovecot
|
||
|
||
remove_lock
|
||
fi
|
||
|
||
# mark changes as applied
|
||
mv "${CHKSUM_FILE}.new" "${CHKSUM_FILE}"
|
||
|
||
sleep 1
|
||
done
|
||
|
||
exit 0
|