#!/bin/ksh
#
# Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#
# ident	"%Z%%M%	%I%	%E% SMI"
#
# Initial version taken "as is" from a blog post by Darren Moffat (C) 2004 :
#   https://blogs.oracle.com/darren/resource/zsvcadm.txt
#   https://blogs.oracle.com/darren/entry/i_recently_saw_a_libcurses
#
# See also his blog about delegating a user account rights to manage services :
#   https://blogs.oracle.com/darren/entry/zenity_tools_gui_interfaces_to
#   (e.g. run `usermod -P "Service Operator" $YOURUSERNAME` as root)
#
# Port to OpenIndiana and modernization of the script Copyright 2016 Jim Klimov

PATH=/usr/bin:/usr/sbin

do_action()
{
	for service in $@ ; do
		current_state=$(svcs -H -o state $service)

		case "$current_state" in
		'disabled') allowed_actions="start enable refresh ViewDetails";;
		'online') allowed_actions="restart stop disable refresh ViewDetails";;
		'maintenance') allowed_actions="stop disable clear refresh ViewDetails";;
		*) allowed_actions="ShowDetails";;
		esac

		case "$allowed_actions" in
			*" "*)
				action=$(zenity --list --title="$service" --column "New State"\
					--height=240 $allowed_actions) ;;
			*)	action="$allowed_actions" ;;
		esac

		case "$action" in
			"") break ;;
			"start") action="enable -t" ;;
			"stop") action="disable -t" ;;
			"ViewDetails"|"ShowDetails")
				# For a multiple-choice, if user explicitly wanted to view
				# details - show them all and break below
				[ "$action" = "ViewDetails" ] && inspected_services="$*" || inspected_services="$service"
				( echo "=== Current processes as of `LANG=C TZ=UTC date`:"; svcs -p $inspected_services ;\
				  echo "=== Current service status and details :"; svcs -x -v $inspected_services ; \
				  echo "=== Selected service(s) depend on :"; svcs -d $inspected_services;\
				  echo "=== Who depends on selected service(s) :"; svcs -D $inspected_services\
				) 2>&1 > /tmp/svcs-x-zenity-$$
				zenity --width=500 --height=300 --text-info \
				    --title="Details for $inspected_services" \
				    --filename=/tmp/svcs-x-zenity-$$
				rm /tmp/svcs-x-zenity-$$
				[ "$action" = "ViewDetails" ] && return 0
				continue
				;;
		esac

		pfexec svcadm $action $@ && \
			echo "svcadm $action $@ - OK" >&2 || \
			( RES=$?; echo "svcadm $action $@ - FAILED, consider first running 'usermod -P \"Service Operator\" $USER' as root" >&2; return $RES )
	done
}


if [ "$1" = "-h" ]; then
	echo "Usage: `basename $0` [-a] [FMRI | pattern]..."
	echo "       -a\tlist all services"
	exit 0
fi

while true ; do
	services=$(svcs -H -o fmri,stime,state,nstate -s fmri -s state \
		-S nstate $@ |sed s/-$/X/g)
	err=$?
	[ $err != 0 ] && exit $err

	service=$(zenity --list --multiple --separator=' ' --title="Services" \
		--width=760 --height=500 \
		--column=FMRI --column=STIME --column=STATE --column NSTATE\
		$services)
	[ ! $? -eq 0 ] && break;

	do_action $service
done