Merge glorytunctl with glorytun and use argz

Signed-off-by: Adrien Gallouët <adrien@gallouet.fr>

systemd/glorytun-run

@@ -1,8 +1,6 @@
 #!/bin/sh
 
-exec glorytun "$@" \
+exec glorytun bind "$@" \
 	${DEV:+dev "$DEV"} \
-	${HOST:+host "$HOST"} \
-	${PORT:+port "$PORT"} \
-	${BIND:+bind "$BIND"} \
-	${BIND_PORT:+bind-port "$BIND_PORT"}
+	${HOST:+to "$HOST" "$PORT"} \
+	${BIND_PORT:+port "$BIND_PORT"}

systemd/glorytun-setup

@@ -39,7 +39,7 @@ DEV=gt${HOST:+c}-$NAME
 HOST=$HOST
 PORT=$PORT
 BIND_PORT=$BIND_PORT
-OPTIONS=v4only mtu-auto
+OPTIONS=v4only mtu auto
 EOF
 
 ( umask 077; echo "$KEY" > "$DIR/key" )
@@ -53,7 +53,7 @@ TABLE=200
 # keep the current route to HOST
 SRC=$(ip route get "$HOST" | awk '/src/{getline;print $0}' RS=' ')
 ip rule add from "$SRC" table main pref "$((PREF-1))" || true
-glorytunctl path add "$SRC" dev "$DEV"
+glorytun path up "$SRC" dev "$DEV"
 
 # forward everything else to the tunnel
 ip rule add from all table "$TABLE" pref "$PREF" || true