Added example openrc init script

Signed-off-by: Russ Magee <rmagee@gmail.com>

hkexsh/hkexsh.go

@@ -358,8 +358,12 @@ func parseNonSwitchArgs(a []string) (user, host, path string, isDest bool, other
 func launchTuns(conn *hkexnet.Conn, remoteHost string, tuns string) {
 	remAddrs, _ := net.LookupHost(remoteHost)
 
+	if tuns == "" {
+		return
+	}
+
 	tunSpecs := strings.Split(tuns, ",")
-	for _,tunItem := range tunSpecs {
+	for _, tunItem := range tunSpecs {
 		var lPort, rPort uint16
 		_, _ = fmt.Sscanf(tunItem, "%d:%d", &lPort, &rPort)
 		reqTunnel(conn, lPort, remAddrs[0], rPort)

hkexshd.initrc

@@ -0,0 +1,39 @@
+#!/sbin/openrc-run
+
+SVCNAME=hkexshd
+HKEXSHD_PIDFILE=/var/run/hkexshd.pid
+HKEXSHD_USER=root
+HKEXSHD_HOME=/var/run
+INST_PREFIX=/usr/local
+COMMAND=$INST_PREFIX/sbin/hkexshd
+ARGS=""
+
+depend() {
+    need net
+    use dns logger
+}
+
+checkconfig() {
+    if [ ! -f "$COMMAND" ] ; then
+        eerror "$COMMAND not installed" || return 1
+    fi
+    return 0
+}
+
+start() {
+    checkconfig || return 1
+
+    ebegin "Starting ${SVCNAME}"
+    start-stop-daemon \
+        -d ${HKEXSHD_HOME} \
+        --make-pidfile --pidfile ${HKEXSHD_PIDFILE} \
+        --start --quiet --background \
+        --exec "${COMMAND}" "${ARGS}"
+    eend $?
+}
+
+stop() {
+    ebegin "Stopping ${SVCNAME}"
+    start-stop-daemon --stop --quiet --pidfile $HKEXSHD_PIDFILE
+    eend $?
+}

hkexshd/hkexshd.go

@@ -26,9 +26,9 @@ import (
 	"syscall"
 
 	"blitter.com/go/goutmp"
-	"blitter.com/go/hkexsh/logger"
 	hkexsh "blitter.com/go/hkexsh"
 	"blitter.com/go/hkexsh/hkexnet"
+	"blitter.com/go/hkexsh/logger"
 	"github.com/kr/pty"
 )