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Fix possible handshake buffer underflow error when connecting owoTrack trackers to the server

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This commit is contained in:
Eiren Rain
2021-06-12 11:35:21 +03:00
parent 5c291df465
commit e22d3ce806
1 changed files with 25 additions and 11 deletions
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36
src/main/java/io/eiren/vr/trackers/TrackersUDPServer.java
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@@ -216,19 +216,33 @@ public class TrackersUDPServer extends Thread {
}
if(sensor == null) {
data.getLong(); // Skip packet number
int boardType = data.getInt();
int imuType = data.getInt();
data.getInt(); // IMU info
data.getInt();
data.getInt();
int firmwareBuild = data.getInt();
int boardType = -1;
int imuType = -1;
int firmwareBuild = -1;
StringBuilder sb = new StringBuilder();
while(true) {
char c = (char) data.get();
if(c == 0)
break;
sb.append(c);
if(data.remaining() > 0) {
if(data.remaining() > 3)
boardType = data.getInt();
if(data.remaining() > 3)
imuType = data.getInt();
if(data.remaining() > 11) {
data.getInt(); // IMU info
data.getInt();
data.getInt();
}
if(data.remaining() > 3)
firmwareBuild = data.getInt();
while(true) {
if(data.remaining() == 0)
break;
char c = (char) data.get();
if(c == 0)
break;
sb.append(c);
}
}
if(sb.length() == 0)
sb.append("owoTrack");
IMUTracker imu = new IMUTracker("udp:/" + handshakePacket.getAddress().toString(), this);
trackersConsumer.accept(imu);
sensor = new TrackerConnection(imu, addr);