xref: /OK3568_Linux_fs/buildroot/package/tpm2-abrmd/S80tpm2-abrmd (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun#!/bin/sh
2*4882a593Smuzhiyun
3*4882a593Smuzhiyunmy_name="$0"
4*4882a593Smuzhiyun
5*4882a593Smuzhiyuncheck_required_files() {
6*4882a593Smuzhiyun	[ -f "$1" ] || {
7*4882a593Smuzhiyun		echo "$my_name: $1 is missing"
8*4882a593Smuzhiyun		exit 1
9*4882a593Smuzhiyun	}
10*4882a593Smuzhiyun}
11*4882a593Smuzhiyun
12*4882a593Smuzhiyuncheck_device() {
13*4882a593Smuzhiyun	ls -1 /dev/tpm[0-9]* > /dev/null 2>&1 || {
14*4882a593Smuzhiyun		echo "device driver not loaded, skipping."
15*4882a593Smuzhiyun		exit 0
16*4882a593Smuzhiyun	}
17*4882a593Smuzhiyun	chown tss:tss /dev/tpm[0-9]* && chmod 600 /dev/tpm*
18*4882a593Smuzhiyun}
19*4882a593Smuzhiyun
20*4882a593Smuzhiyunrm_stale_pidfile() {
21*4882a593Smuzhiyun	if [ -e "$1" ]; then
22*4882a593Smuzhiyun		exe="/proc/$(cat "$1")/exe"
23*4882a593Smuzhiyun		{ [ -s "$exe" ] && [ "$(readlink -f "$exe")" = "$2" ]; } || rm -f "$1"
24*4882a593Smuzhiyun	fi
25*4882a593Smuzhiyun}
26*4882a593Smuzhiyun
27*4882a593Smuzhiyunstart() {
28*4882a593Smuzhiyun	printf "Starting tpm2-abrmd: "
29*4882a593Smuzhiyun	check_device
30*4882a593Smuzhiyun	rm_stale_pidfile /var/run/tpm2-abrmd.pid /usr/sbin/tpm2-abrmd
31*4882a593Smuzhiyun	start-stop-daemon -S -q -o -b -m -p /var/run/tpm2-abrmd.pid -c tss:tss -x /usr/sbin/tpm2-abrmd -- ${DAEMON_OPTS} || {
32*4882a593Smuzhiyun		echo "FAIL"
33*4882a593Smuzhiyun		exit 1
34*4882a593Smuzhiyun	}
35*4882a593Smuzhiyun	pidof /usr/sbin/tpm2-abrmd > /var/run/tpm2-abrmd.pid
36*4882a593Smuzhiyun	echo "OK"
37*4882a593Smuzhiyun}
38*4882a593Smuzhiyun
39*4882a593Smuzhiyunstop() {
40*4882a593Smuzhiyun	printf "Stopping tpm2-abrmd: "
41*4882a593Smuzhiyun	start-stop-daemon -K -q -o -p /var/run/tpm2-abrmd.pid -u tss -x /usr/sbin/tpm2-abrmd || {
42*4882a593Smuzhiyun		echo "FAIL"
43*4882a593Smuzhiyun		exit 1
44*4882a593Smuzhiyun	}
45*4882a593Smuzhiyun	rm_stale_pidfile /var/run/tpm2-abrmd.pid /usr/sbin/tpm2-abrmd
46*4882a593Smuzhiyun	echo "OK"
47*4882a593Smuzhiyun}
48*4882a593Smuzhiyun
49*4882a593Smuzhiyuncheck_required_files /etc/dbus-1/system.d/tpm2-abrmd.conf
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun# defaults
52*4882a593SmuzhiyunDAEMON_OPTS="--tcti=device --logger=syslog --max-connections=20"
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun# Read configuration variable file if it is present
55*4882a593Smuzhiyun[ -r /etc/default/tpm2-abrmd ] && . /etc/default/tpm2-abrmd
56*4882a593Smuzhiyun
57*4882a593Smuzhiyuncase "$1" in
58*4882a593Smuzhiyun	start)
59*4882a593Smuzhiyun		start
60*4882a593Smuzhiyun	       	;;
61*4882a593Smuzhiyun	stop)
62*4882a593Smuzhiyun	   	stop
63*4882a593Smuzhiyun		;;
64*4882a593Smuzhiyun	restart|reload)
65*4882a593Smuzhiyun		stop
66*4882a593Smuzhiyun		sleep 1
67*4882a593Smuzhiyun		start
68*4882a593Smuzhiyun		;;
69*4882a593Smuzhiyun	*)
70*4882a593Smuzhiyun		echo "Usage: tpm2-abrmd {start|stop|restart|reload}" >&2
71*4882a593Smuzhiyun		exit 1
72*4882a593Smuzhiyunesac
73*4882a593Smuzhiyun
74*4882a593Smuzhiyunexit 0
75