49 lines
1.5 KiB
Go
49 lines
1.5 KiB
Go
// Copyright 2018 The GoPacket Authors. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style license
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// that can be found in the LICENSE file in the root of the source
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// tree.
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package etls
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import (
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"github.com/google/gopacket"
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)
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// ETLSHandshakeRecord defines the structure of a Handskake Record
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type ETLSHandshakeRecord struct {
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ETLSRecordHeader
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ETLSHandshakeMsgType uint8
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ETLSHandshakeServerHello *ServerHelloMsg
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ETLSHandshakeClientHello *ClientHelloMsg
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ETLSHandshakeCertificate *CertificateMsg
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}
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// DecodeFromBytes decodes the slice into the ETLS struct.
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func (t *ETLSHandshakeRecord) decodeFromBytes(h ETLSRecordHeader, data []byte, df gopacket.DecodeFeedback) error {
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// ETLS Record Header
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t.ContentType = h.ContentType
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t.Version = h.Version
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t.Length = h.Length
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// Switch on Handshake message type
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switch uint8(data[0]) {
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case typeClientHello:
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t.ETLSHandshakeMsgType = typeClientHello
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t.ETLSHandshakeClientHello = new(ClientHelloMsg)
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t.ETLSHandshakeClientHello.unmarshal(data)
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case typeServerHello:
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t.ETLSHandshakeMsgType = typeServerHello
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t.ETLSHandshakeServerHello = new(ServerHelloMsg)
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t.ETLSHandshakeServerHello.unmarshal(data)
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case typeCertificate:
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t.ETLSHandshakeMsgType = typeCertificate
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t.ETLSHandshakeCertificate = new(CertificateMsg)
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t.ETLSHandshakeCertificate.unmarshal(data)
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}
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// Please see the following url if you are interested into implementing the rest:
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// https://golang.org/src/crypto/tls/conn.go?h=readHandshake#L950
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return nil
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}
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