cmd/lopower: start of a shell

Change-Id: I07eebc68cb48aa956b9eb8e67b06375df6458a48
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>

cmd/lopower/lopower.go

@@ -0,0 +1,33 @@
+// The lopower server is a "Little Opinionated Proxy Over
+// Wireguard-Encrypted Route". It bridges a static WireGuard
+// client into a Tailscale network.
+package main
+
+import (
+	"flag"
+	"log"
+	"os"
+
+	"tailscale.com/tsnet"
+)
+
+func main() {
+	flag.Parse()
+
+	hostname, err := os.Hostname()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	ts := &tsnet.Server{
+		Hostname:  hostname,
+		UserLogf:  log.Printf,
+		Ephemeral: false,
+	}
+
+	if err := ts.Start(); err != nil {
+		log.Fatal(err)
+	}
+
+	select {}
+}