#!/bin/sh
set -e

if [ "$1" = "configure" ]; then
  CONFFILES="dovecot.conf \
    dovecot-dict-auth.conf.ext \
    dovecot-dict-sql.conf.ext \
    dovecot-sql.conf.ext \
    conf.d/10-auth.conf \
    conf.d/10-director.conf \
    conf.d/10-logging.conf \
    conf.d/10-mail.conf \
    conf.d/10-master.conf \
    conf.d/10-ssl.conf \
    conf.d/10-tcpwrapper.conf \
    conf.d/15-lda.conf \
    conf.d/15-mailboxes.conf \
    conf.d/90-acl.conf \
    conf.d/90-plugin.conf \
    conf.d/90-quota.conf \
    conf.d/auth-checkpassword.conf.ext \
    conf.d/auth-deny.conf.ext \
    conf.d/auth-dict.conf.ext \
    conf.d/auth-master.conf.ext \
    conf.d/auth-passwdfile.conf.ext \
    conf.d/auth-sql.conf.ext \
    conf.d/auth-static.conf.ext \
    conf.d/auth-system.conf.ext \
    conf.d/auth-vpopmail.conf.ext"

  ## Users
  #

  adduser --system --group --home /usr/lib/dovecot --gecos "Dovecot mail server" \
          --no-create-home --disabled-password --quiet dovecot || true

  adduser --system --group --home /nonexistent --no-create-home --gecos "Dovecot login user" \
          --disabled-password --quiet dovenull || true

  for conffile in $CONFFILES ; do
    # Tell ucf that the file in /usr/share/dovecot is the latest
    # maintainer version, and let it handle how to manage the real
    # configuration file in /etc/dovecot.
    ucf --three-way /usr/share/dovecot/$conffile /etc/dovecot/$conffile
    ucfr dovecot-core /etc/dovecot/$conffile
    if [ "$conffile" != "dovecot.conf" ] && [ -f "/etc/dovecot/$conffile" ] &&
		[ `echo $conffile | cut -b -7` != "conf.d/" ]; then
      chmod 0640 /etc/dovecot/$conffile
      chgrp dovecot /etc/dovecot/$conffile
    fi
  done

  if ! dpkg-statoverride --list /etc/dovecot/private >/dev/null; then
    dpkg-statoverride --quiet --update --add root root 0700 /etc/dovecot/private
  fi

  # SSL configuration
  # Use the ssl-cert-snakeoil certificate in the following cases:
  # - On new installations
  # - On upgrades from versions that did not enable SSL by default
  if [ -z "$2" ] || dpkg --compare-versions "$2" lt "1:2.2.31-1~"; then
    if [ ! -e /etc/dovecot/private/dovecot.key ] && \
       [ ! -e /etc/dovecot/private/dovecot.pem ]; then
      ln -s /etc/ssl/certs/ssl-cert-snakeoil.pem /etc/dovecot/private/dovecot.pem
      ln -s /etc/ssl/private/ssl-cert-snakeoil.key /etc/dovecot/private/dovecot.key
    fi
  fi

  # Remove the old dovecot-common.postrm (if it's still around for some
  # reason), as purging dovecot-common will remove /etc/dovecot/dovecot.conf.
  # See #696382.
  if [ -f "/var/lib/dpkg/info/dovecot-common.postrm" ]; then
    rm -f /var/lib/dpkg/info/dovecot-common.postrm
  fi
fi

if [ "$1" = "triggered" ]; then
    if [ -x "/etc/init.d/dovecot" ]; then
        invoke-rc.d dovecot restart
    fi
fi

# Stop and disable the systemd socket on upgrade if dovecot.service is enabled as well
# (see #803915 and #814999). This will be attempted only once, to allow admins
# to re-enable dovecot.socket if they wish.
if [ "$1" = "configure" ] && [ -n "$2" ] && dpkg --compare-versions "$2" lt "1:2.2.21-1~"; then
    if deb-systemd-helper --quiet was-enabled dovecot.service; then
        deb-systemd-helper disable dovecot.socket
    fi
fi

# Automatically added by dh_installdeb/12.10ubuntu1
dpkg-maintscript-helper rm_conffile /etc/dovecot/README 1:2.2.27-3\~ -- "$@"
# End automatically added section
# Automatically added by dh_installinit/12.10ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -x "/etc/init.d/dovecot" ]; then
		update-rc.d dovecot defaults 20 >/dev/null
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		invoke-rc.d --skip-systemd-native dovecot $_dh_action || exit 1
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/12.10ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'dovecot.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'dovecot.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'dovecot.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'dovecot.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/12.10ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		deb-systemd-invoke $_dh_action 'dovecot.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/12.10ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if deb-systemd-helper debian-installed 'dovecot.socket'; then
		# This will only remove masks created by d-s-h on package removal.
		deb-systemd-helper unmask 'dovecot.socket' >/dev/null || true

		if deb-systemd-helper --quiet was-enabled 'dovecot.socket'; then
			# Create new symlinks, if any.
			deb-systemd-helper enable 'dovecot.socket' >/dev/null || true
		fi
	fi

	# Update the statefile to add new symlinks (if any), which need to be cleaned
	# up on purge. Also remove old symlinks.
	deb-systemd-helper update-state 'dovecot.socket' >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_installsystemd/12.10ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		deb-systemd-invoke $_dh_action 'dovecot.socket' >/dev/null || true
	fi
fi
# End automatically added section