Function unpacketize

modules/crypt/ssl/ssl_handshake.js:135–189

(session, s)

	name: "handshakeProtocol",

	unpacketize(session, s) {
		session.traceProtocol(this);
		let tbuf = new Uint8Array(4);
		tbuf[0] = s.readChar(0);		// msgType
		let body = s.readChars(3);
		body = body > 0 ? s.readChunk(body, true) : undefined;
		switch (tbuf[0]) {
		case 0 /* hello_request */:
			s = this.helloRequest;
			break;
		case 1 /* client_hello */:
			s = this.clientHello;
			break;
		case 2 /* server_hello */:
			s = this.serverHello;
			break;
		case 11 /* certificate */:
			s = this.certificate;
			break;
		case 12 /* server_key_exchange */:
			s = this.serverKeyExchange;
			break;
		case 13 /* certificate_request */:
			s = this.certificateRequest;
			break;
		case 14 /* server_hello_done */:
			s = this.serverHelloDone;
			break;
		case 15 /* certificate_verify */:
			s = this.certificateVerify;
			break;
		case 16 /* client_key_exchange */:
			s = this.clientKeyExchange;
			break;
		case 20 /* finished */:
			s = this.finished;
			break;
		default:
			throw new TLSError("handshake: unknown type: " + tbuf[0]);
		}
		s.unpacketize(session, body ? new SSLStream(body) : undefined);

		session.handshakeProcess = tbuf[0];

		// update the digest of the whole handshake message
		if (body) {
			tbuf[1] = body.byteLength >>> 16;
			tbuf[2] = body.byteLength >>> 8;
			tbuf[3] = body.byteLength;
		}

		handshakeDigestUpdate(session, tbuf.buffer);
		if (body)
			handshakeDigestUpdate(session, body);
	},
	packetize(session, msgType, body) {
		session.traceProtocol(this);
		body = body.getChunk();