#! /bin/sh
# postinst script for lprng
#
# see: dh_installdeb(1)

set -e

# Source the debconf library.
. /usr/share/debconf/confmodule

update_defaults()
{
    db_get lprng/start_lpd
    if [ "$RET" = "true" ]; then
      START_LPD="yes"
    else
      START_LPD="no"
    fi
    cat > /etc/default/lprng <<EOF 
#Start the LPRng daemon lpd? Yes or No
START_LPD=$START_LPD
EOF

}

## dsetperms - sets owner, group, and permissions to specified value,
## but only if no dpkg-statoverride entry exists.
## usage: dsetperms user group mode file

dsetperms()
{
    if [ "$#" != 4 ] ; then
        echo 1>&2 "dsetperms: Requires four arguments"
        return 1
    fi
    if ! dpkg-statoverride --list "$4" > /dev/null 2>&1 ; then
        chown "$1":"$2" "$4" || return 1
        chmod "$3" "$4" || return 1
    else
        return 0
    fi
}

case "$1" in
    install|upgrade)
    ;;

    configure)
        # Create directories for pid file
        install -d -m 0775 -o root -g lp /var/run/lprng
        # Check result of tools being setuid
        db_get lprng/setuid_tools
        if [ "$RET" = "true" ]; then
            dsetperms root root 4755 /usr/bin/lpr
            dsetperms root root 4755 /usr/bin/lprm
            dsetperms root root 4755 /usr/bin/lpq
        else
            dsetperms root root 0755 /usr/bin/lpr
            dsetperms root root 0755 /usr/bin/lprm
            dsetperms root root 0755 /usr/bin/lpq
        fi
        # Only make the symlink if nothing is there already Bug: #147641
        # Check for both a real file and a dangling symlink #544986
        if [ ! -e /etc/lprng/printcap ] && [ ! -L /etc/lprng/printcap ] ; then
            (cd /etc/lprng ; ln -s ../printcap . )
        fi
        # Remove sample files form /etc/lprng shouldnever been there
        [ -e /etc/lprng/lpd.perms.sample ] && rm /etc/lprng/lpd.perms.sample
        [ -e /etc/lprng/lpd.conf.sample ] && rm /etc/lprng/lpd.conf.sample
        update_defaults
        ;;
    abort-upgrade)
        ;;
    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 0
        ;;
esac

# Those using dependency based boot sequencing with sysv-rc and installing
# lprng before version 3.8.A-2.2 would miss the runlevel 4 symlink.
# Recover from this.
if [ "$1" = "configure" ] && dpkg --compare-versions "$2" le "3.8.A-2.2" \
   && [ -f /etc/rc2.d/[SK][0-9][0-9]lprng ] && [ -f /etc/rc4.d/K[0-9][0-9]lprng ]
then
   update-rc.d -f lprng remove
fi

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

# Automatically added by dh_installinit/13.15.2
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -z "${DPKG_ROOT:-}" ] && [ -x "/etc/init.d/lprng" ]; then
		update-rc.d lprng defaults >/dev/null
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		invoke-rc.d --skip-systemd-native lprng $_dh_action || exit 1
	fi
fi
# End automatically added section


# Urgh, LPPng's lpd seems to be not closing all the file descriptors
# which makes debconf hang, tell debconf to go away
db_stop

# vim:et:sw=4:ts=4: