Update dependencies

vendor/github.com/kortschak/wol/wol.go

@@ -0,0 +1,54 @@
+// Copyright ©2016 Dan Kortschak. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package wol provides a Wake On LAN function.
+package wol
+
+import (
+	"bytes"
+	"errors"
+	"io"
+	"net"
+)
+
+const magicLen = 6 + 16*6
+
+// Wake sends a Wake On LAN magic packet for the given MAC address
+// at the given remote address. If local is not nil, it is used as
+// the local address for the connection to send on.
+func Wake(mac net.HardwareAddr, pass []byte, local, remote *net.UDPAddr) error {
+	if len(mac) != 6 {
+		return errors.New("wol: bad MAC address")
+	}
+	switch len(pass) {
+	default:
+		return errors.New("wol: bad password length")
+	case 0, 6:
+	}
+	var magic [magicLen + 6]byte
+	copy(magic[:], []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff})
+	buf := bytes.NewBuffer(magic[:6])
+	for i := 0; i < 16; i++ {
+		buf.Write(mac)
+	}
+	buf.Write(pass)
+	if buf.Len() != magicLen+len(pass) {
+		panic("wol: unexpected packet length")
+	}
+
+	conn, err := net.DialUDP("udp", local, remote)
+	if err != nil {
+		return err
+	}
+	defer conn.Close()
+
+	n, err := conn.Write(buf.Bytes())
+	if err != nil {
+		return err
+	}
+	if n < magicLen+len(pass) {
+		return io.ErrShortWrite
+	}
+	return nil
+}