YangWX/MQTTnet
1
0
Fork 0
mirror of https://github.com/dotnet/MQTTnet.git synced 2026-10-27 00:40:01 +08:00
Code Issues Packages Projects Releases Wiki Activity

Improve protocol version detection.

Browse Source
This commit is contained in:
Christian Kratky
2019-04-11 20:13:30 +02:00
parent 631f660d5c
commit 65896269da
4 changed files with 29 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Source/MQTTnet/Formatter/V3/MqttV310PacketFormatter.cs
+13 -4
View File
@@ -227,11 +227,20 @@ namespace MQTTnet.Formatter.V3
{
ThrowIfBodyIsEmpty(body);
var packet = new MqttConnectPacket
var protocolName = body.ReadStringWithLengthPrefix();
var protocolVersion = body.ReadByte();
if (protocolName != "MQTT" && protocolName != "MQIsdp")
{
ProtocolName = body.ReadStringWithLengthPrefix(),
ProtocolLevel = body.ReadByte()
};
throw new MqttProtocolViolationException("MQTT protocol name do not match MQTT v3.");
}
if (protocolVersion != 3 && protocolVersion != 4)
{
throw new MqttProtocolViolationException("MQTT protocol version do not match MQTT v3.");
}
var packet = new MqttConnectPacket();
var connectFlags = body.ReadByte();
if ((connectFlags & 0x1) > 0)