#!/bin/sh

set -e

# We generate several files during the postinst, and we don't want
#	them to be readable only by root.
umask 022

if [ configure = "$1" -a -z "$2" ] # only do this if not upgrading
then
    # add the sambashare group; --force: ok if group already exist
    groupadd --force --system sambashare
    dir=/var/lib/samba/usershares
    [ -d $dir ] || install -d -m 1770 -g sambashare $dir
fi

# in 4.17.4+dfsg-3 we stopped masking services, unmask them here
if [ configure = "$1" ] && dpkg --compare-versions "$2" lt-nl 2:4.17.4+dfsg-3~
then
    for s in nmbd smbd samba-ad-dc; do
	if [ /dev/null = $(realpath /etc/systemd/system/$s.service) ]
	then
	    rm -f /etc/systemd/system/$s.service
	fi
    done
fi

# remove old spool directory (point it to /var/tmp if in use)
if [ configure = "$1" ] && dpkg --compare-versions "$2" lt-nl 2:4.17.4+dfsg-3~
then
    dir=/var/spool/samba
    pat="^(\\s*path\\s*=\\s*)$dir"
    if grep -q -E "$pat\\s*$" /etc/samba/smb.conf ; then
	echo "WARNING: fixing smb.conf, replacing $dir with /var/tmp" >&2
	sed -ri "s|$pat\\s*$|\\1/var/tmp|" /etc/samba/smb.conf
    fi
    if [ -d $dir -a ! -L $dir ]; then
	echo "W: removing old samba print spool $dir" >&2
	rm -rf $dir
    fi
    # we can still have it in an include file (or have a subdir there?)
    if testparm -s 2>/dev/null | grep -E "$pat\\b" >&2; then
	echo "WARNING: $dir is still referenced in smb.conf. Please update smb.conf" >&2
	if [ ! -L $dir ]; then
	    echo "WARNING: redirecting $dir to /var/tmp" >&2
	    ln -s ../tmp $dir
	fi
    fi
fi

# in 2:4.20.1+dfsg-2 ad-dc functionality has been moved from samba to its own package.
# in 2:4.21.1+dfsg-2 we cleaned up the startup scripts
if   [ configure = "$1" ] \
  && dpkg --compare-versions "$2" lt-nl 2:4.21.1+dfsg-2~~
then

    if [ ! -f /lib/systemd/system/samba-ad-dc.service ]
    # samba-ad-dc package isn't installed
    then
        update-rc.d samba-ad-dc remove >/dev/null
        if command -v deb-systemd-helper >/dev/null; then
            deb-systemd-helper purge samba-ad-dc.service >/dev/null || :
        fi
    fi

    if /usr/share/samba/is-configured samba-ad-dc
    then

        # use systemctl directly since the service file is gone
        systemctl stop samba-ad-dc >/dev/null 2>&1 || :

        # warn if ad-dc is configured but samba-ad-dc.service
        # (which is part of samba-ad-dc package) is not present
        if  [ ! -f /lib/systemd/system/samba-ad-dc.service ] \
         && [ ! -f /var/lib/dpkg/info/samba-ad-dc.list ]
        then
            # here, the user might had requested to install samba-ad-dc *too*,
            # in the same `apt-get` run, but it's not installed yet.  So this
            # warning will be useless, but at least it will help in other cases.

# this doesn't work:
#    . /usr/share/debconf/confmodule
#    db_title SAMBA || :
#    db_input high samba/no-samba-ad-dc || :
#    db_go || :
# because:
#  debconf does not display this note anywhwere when DEBIAN_FRONTEND=noninteractive
#  lintian errors out about this note being non-translatable etc
# so it requires too much efforts.  Let's keep the user uninformed.

            cat <<-EOF >&2
	WARNING: =====================================================================
	WARNING: Your samba appears to be configured as an Active Directory Domain
	WARNING: Controller (AD-DC).  AD-DC functionality has been moved out of main
	WARNING: samba package to a separate samba-ad-dc package.
	WARNING:
	WARNING: Please install samba-ad-dc package for the Domain Controller to work.
	WARNING:
	WARNING: Please seee /usr/share/doc/samba/NEWS.Debian.gz for more information.
	WARNING: =====================================================================

EOF
        fi
    fi
fi

# Automatically added by dh_installdeb/13.24.2
dpkg-maintscript-helper rm_conffile /etc/cron.daily/samba 2:4.19.3\+dfsg-3\~ -- "$@"
dpkg-maintscript-helper rm_conffile /etc/logrotate.d/samba 2:4.19.4\+dfsg-3\~ -- "$@"
dpkg-maintscript-helper rm_conffile /etc/init.d/samba-ad-dc 2:4.21.1\+dfsg-1 -- "$@"
# End automatically added section
# Automatically added by dh_installinit/13.24.2
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -z "$DPKG_ROOT" ] && [ -x "/etc/init.d/smbd" ]; then
		update-rc.d smbd defaults >/dev/null
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		invoke-rc.d --skip-systemd-native smbd $_dh_action || exit 1
	fi
fi
# End automatically added section
# Automatically added by dh_installinit/13.24.2
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -z "$DPKG_ROOT" ] && [ -x "/etc/init.d/nmbd" ]; then
		update-rc.d nmbd defaults >/dev/null
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		invoke-rc.d --skip-systemd-native nmbd $_dh_action || exit 1
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.24.2
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# The following line should be removed in trixie or trixie+1
	deb-systemd-helper unmask 'smbd.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'smbd.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'smbd.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 'smbd.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.24.2
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 'smbd.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.24.2
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# The following line should be removed in trixie or trixie+1
	deb-systemd-helper unmask 'nmbd.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'nmbd.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'nmbd.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 'nmbd.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.24.2
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 'nmbd.service' >/dev/null || true
	fi
fi
# End automatically added section


# remove msg.sock/ directory (moved to /run/samba/)
dir=/var/lib/samba/private/msg.sock
if [ -d $dir -a configure = "$1" ] &&
   dpkg --compare-versions "$2" lt-nl 2:4.16.0+dfsg-7~
then
    rm -f $dir/*
    rmdir $dir
fi

exit 0