1#!/sbin/sh
2
3#
4# egd.rc: EGD start-up and shutdown script
5#
6
7# Allowed exit values:
8#       0 = success; causes "OK" to show up in checklist.
9#       1 = failure; causes "FAIL" to show up in checklist.
10#       2 = skip; causes "N/A" to show up in the checklist.
11#           Use this value if execution of this script is overridden
12#           by the use of a control variable, or if this script is not
13#           appropriate to execute for some other reason.
14#       3 = reboot; causes the system to be rebooted after execution.
15
16# Input and output:
17#       stdin is redirected from /dev/null
18#
19#       stdout and stderr are redirected to the /etc/rc.log file
20#       during checklist mode, or to the console in raw mode.
21
22umask 022
23
24PATH=/usr/sbin:/usr/bin:/sbin
25export PATH
26
27WHAT='EGD (entropy gathering daemon)'
28WHAT_PATH=/opt/perl/bin/egd.pl
29WHAT_CONFIG=/etc/rc.config.d/egd
30WHAT_LOG=/etc/opt/egd/egd.log
31
32# NOTE: If your script executes in run state 0 or state 1, then /usr might
33#       not be available.  Do not attempt to access commands or files in
34#       /usr unless your script executes in run state 2 or greater.  Other
35#       file systems typically not mounted until run state 2 include /var
36#       and /opt.
37
38rval=0
39
40# Check the exit value of a command run by this script.  If non-zero, the
41# exit code is echoed to the log file and the return value of this script
42# is set to indicate failure.
43
44set_return() {
45	x=$?
46	if [ $x -ne 0 ]; then
47		echo "EXIT CODE: $x"
48		rval=1	# script FAILed
49	fi
50}
51
52case $1 in
53'start_msg')
54	echo "Starting $WHAT"
55	;;
56
57'stop_msg')
58	echo "Stopping $WHAT"
59	;;
60
61'start')
62	if [ -f $WHAT_CONFIG ] ; then
63		. $WHAT_CONFIG
64	else
65		echo "ERROR: $WHAT_CONFIG defaults file MISSING"
66	fi
67	
68
69	if [ "$EGD_START" -eq 1 -a -x $WHAT_PATH ]; then
70		EGD_LOG=${EGD_LOG:-$WHAT_LOG}
71		su egd -c "nohup $WHAT_PATH $EGD_ARGS >$EGD_LOG 2>&1" &&
72			echo $WHAT started
73		set_return
74	else
75		rval=2
76	fi
77	;;
78
79'stop')
80	pid=`ps -fuegd | awk '$1 == "egd" { print $2 }'`
81	if [ "X$pid" != "X" ]; then
82		if kill "$pid"; then
83			echo "$WHAT stopped"
84		else
85			rval=1
86			echo "Unable to stop $WHAT"
87		fi
88	fi
89	set_return
90	;;
91
92*)
93	echo "usage: $0 {start|stop|start_msg|stop_msg}"
94	rval=1
95	;;
96esac
97
98exit $rval
99