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

set -e
. /usr/share/debconf/confmodule

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <postinst> `abort-remove'
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package

GLEXECCONF=/etc/glexec.conf
LCMAPSDB=/etc/lcmaps/lcmaps-glexec.db

glexec_configure() {
    # retrieve the configuration parameters from debconf
    # and build the command-line using positional parameters.
    # The ordering of the parameters is important, and we must
    # be careful to prevent shell field splitting, e.g. if
    # the white list contains spaces.
    option=
    framework=
    endpoints=
    set --
    db_get glexec/logging/destination || true
    if [ "$RET" = "file" ]; then
	# set log file parameter
	db_get glexec/logging/logfile || true
	set -- "$@" --log-file "$RET"
	db_get glexec/logging/lcmapslogfile || true
	set -- "$@" --lcmaps-log-file "$RET"
    fi
    db_get glexec/logging/level || true
    if [ ! -z "$RET" ]; then
	set -- "$@" --log-level "$RET"
    fi
    
    db_get glexec/whitelist || true
    if [ ! -z "$RET" ]; then
	set -- "$@" --white-list "$RET"
    fi

    db_get glexec/framework || true

    case $RET in
	SCAS)
	    db_get glexec/scas/endpoints || true
	    # don't quote the endpoints now because we actually want field splitting
	    set -- "$@" scas $RET
	    ;;
	ARGUS)
	    framework=argus
	    db_get glexec/argus/endpoints || true
	    endpoints="$RET";
	    # don't quote the endpoints now because we actually want field splitting
	    set -- "$@" argus $RET
	    db_get glexec/argus/actionid || true
	    if [ -z "$RET" ]; then
		db_metaget glexec/argus/actionid default || true
		db_set glexec/argus/actionid $RET || true
	    fi
	    # insert option at the front of the parameter list
	    set -- --pepc-actionid "$RET" "$@"
	    db_get glexec/argus/resourceid || true
	    if [ -z "$RET" ]; then
		db_metaget glexec/argus/resourceid default || true
		db_set glexec/argus/resourceid $RET || true
	    fi
	    set -- --pepc-resourceid "$RET" "$@"
	    ;;
	*)
	    set -- "$@" local
	    ;;
    esac

    # run the configuration script with the accumulated positional parameters
    glexec-configure -o $GLEXECCONF.dpkg-tmp -d $LCMAPSDB.dpkg-tmp "$@" || true
    # Install the configuration files using ucf
    ucf --debconf-ok $GLEXECCONF.dpkg-tmp $GLEXECCONF
    ucfr glexec $GLEXECCONF
    rm -f $GLEXECCONF.dpkg-tmp

    ucf --debconf-ok $LCMAPSDB.dpkg-tmp $LCMAPSDB
    ucfr glexec $LCMAPSDB
    rm -f $LCMAPSDB.dpkg-tmp

}


case "$1" in
    configure|reconfigure)
	if ! getent passwd glexec > /dev/null 2>&1 ; then
	    adduser --system --home /usr/sbin --gecos "gLExec system account" --group glexec --no-create-home > /dev/null 2>&1
	fi
	glexec_configure
	chown root:glexec /etc/glexec.conf /etc/lcmaps/lcmaps-glexec.db
	chmod 640 /etc/glexec.conf /etc/lcmaps/lcmaps-glexec.db
    ;;

    abort-upgrade|abort-remove|abort-deconfigure)
    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

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

#DEBHELPER#

exit 0