From 90a9f2c3b8b83e444fa32abb44c69a60c4f32407 Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Thu, 1 Jun 2017 18:45:20 +0200 Subject: external-tests: add keepalive packet --- contrib/external-tests/go/main.go | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'contrib/external-tests/go') diff --git a/contrib/external-tests/go/main.go b/contrib/external-tests/go/main.go index 013a1a9..435063d 100644 --- a/contrib/external-tests/go/main.go +++ b/contrib/external-tests/go/main.go @@ -172,4 +172,16 @@ func main() { if echo.ID != 921 || echo.Seq != 438 || string(echo.Data) != "WireGuard" { log.Fatalf("incorrect echo response: %#v", echo) } + + keepalivePacket := make([]byte, 16) + keepalivePacket[0] = 4 // Type: Data + keepalivePacket[1] = 0 // Reserved + keepalivePacket[2] = 0 // Reserved + keepalivePacket[3] = 0 // Reserved + binary.LittleEndian.PutUint32(keepalivePacket[4:], theirIndex) + binary.LittleEndian.PutUint64(keepalivePacket[8:], 1) // Nonce + keepalivePacket = sendCipher.Encrypt(keepalivePacket, nil, nil) // Empty data means keepalive + if _, err := conn.Write(keepalivePacket); err != nil { + log.Fatalf("error writing keepalive message: %s", err) + } } -- cgit v1.2.3-59-g8ed1b