add main help

cmd/dsnet.go

@@ -3,6 +3,7 @@ package main
 import (
 	"os"
 	"flag"
+	"fmt"
 	"github.com/naggie/dsnet"
 )
 
@@ -12,6 +13,7 @@ func main() {
 
 	switch os.Args[1] {
 		case "init":
+			dsnet.Init()
 
 		case "up":
 
@@ -25,3 +27,18 @@ func main() {
 			help();
 	}
 }
+
+func help() {
+	fmt.Printf(`Usage: dsnet <cmd>
+
+Available commands:
+
+	init : Create %s containing default configuration + new keys without loading. Edit to taste.
+	add  : Generate configuration for a new peer. (Send with passworded ffsend)
+	sync : Synchronise wireguard configuration with %s, creating and activating interface if necessary
+
+To remove an interface or bring it down, use standard tools such as iproute2.
+To modify or remove peers, edit %s and then run sync.
+
+`, dstask.CONFIG_FILE, dstask.CONFIG_FILE, dstask.CONFIG_FILE)
+}