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feat: Support for Dovecot master accounts (#2535)

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Dovecot master accounts can now be configured in DMS via `setup.sh`.
A master account is useful for administration purposes, or to perform mailbox backups of every user account over IMAP.
Upstream Docs: https://doc.dovecot.org/configuration_manual/authentication/master_users/

Co-authored-by: Casper <casperklein@users.noreply.github.com>
Co-authored-by: Brennan Kinney <5098581+polarathene@users.noreply.github.com>
This commit is contained in:
Andrew Cornford 2022-05-07 23:28:32 +01:00 • committed by GitHub
parent 2977cb6962
commit 2f3cbfc144
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16 changed files with 302 additions and 4 deletions
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51
target/scripts/helpers/accounts.sh
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@ -7,13 +7,17 @@
# Only an issue when $myhostname is an exact match (eg: bare domain FQDN).
DOVECOT_USERDB_FILE=/etc/dovecot/userdb
DOVECOT_MASTERDB_FILE=/etc/dovecot/masterdb
function _create_accounts
{
: >/etc/postfix/vmailbox
: >"${DOVECOT_USERDB_FILE}"
if [[ -f /tmp/docker-mailserver/postfix-accounts.cf ]] && [[ ${ENABLE_LDAP} -ne 1 ]]
[[ ${ENABLE_LDAP} -eq 1 ]] && return 0
_create_masters
if [[ -f /tmp/docker-mailserver/postfix-accounts.cf ]]
then
_log 'trace' "Checking file line endings"
sed -i 's|\r||g' /tmp/docker-mailserver/postfix-accounts.cf
@ -164,3 +168,48 @@ function _create_dovecot_alias_dummy_accounts
done < /tmp/docker-mailserver/postfix-virtual.cf
fi
}
# Support Dovecot master user: https://doc.dovecot.org/configuration_manual/authentication/master_users/
# Supporting LDAP users requires `auth_bind = yes` in `dovecot-ldap.conf.ext`, see docker-mailserver/docker-mailserver/pull/2535 for details
function _create_masters
{
: >"${DOVECOT_MASTERDB_FILE}"
if [[ -f /tmp/docker-mailserver/dovecot-masters.cf ]]
then
_log 'trace' "Checking file line endings"
sed -i 's|\r||g' /tmp/docker-mailserver/dovecot-masters.cf
_log 'trace' "Regenerating dovecot masters list"
# checking that /tmp/docker-mailserver/dovecot-masters.cf ends with a newline
# shellcheck disable=SC1003
sed -i -e '$a\' /tmp/docker-mailserver/dovecot-masters.cf
chown dovecot:dovecot "${DOVECOT_MASTERDB_FILE}"
chmod 640 "${DOVECOT_MASTERDB_FILE}"
sed -i -e '/\!include auth-master\.inc/s/^#//' /etc/dovecot/conf.d/10-auth.conf
# creating users ; 'pass' is encrypted
# comments and empty lines are ignored
local LOGIN PASS
while IFS=$'|' read -r LOGIN PASS
do
_log 'debug' "Creating master user '${LOGIN}'"
local DOVECOT_MASTERDB_LINE
# Dovecot's masterdb has the following format
# user:password
DOVECOT_MASTERDB_LINE="${LOGIN}:${PASS}"
if grep -qF "${DOVECOT_MASTERDB_LINE}" "${DOVECOT_MASTERDB_FILE}"
then
_log 'warn' "Login '${LOGIN}' will not be added to '${DOVECOT_MASTERDB_FILE}' twice"
else
echo "${DOVECOT_MASTERDB_LINE}" >>"${DOVECOT_MASTERDB_FILE}"
fi
done < <(grep -v "^\s*$\|^\s*\#" /tmp/docker-mailserver/dovecot-masters.cf)
fi
}