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| author | Anton Tananaev <anton.tananaev@gmail.com> | 2017-02-14 02:19:31 +1300 |
|---|---|---|
| committer | Anton Tananaev <anton.tananaev@gmail.com> | 2017-02-14 02:19:31 +1300 |
| commit | 5465e58749ecf553839484f4a41ca94a1621bbb8 (patch) | |
| tree | 7dcff303822de95173d40c4fe55b58b58c72030f /src/org/traccar | |
| parent | 621576edf95c0d3af1919113e62ac1e9245efa88 (diff) | |
| download | traccar-server-5465e58749ecf553839484f4a41ca94a1621bbb8.tar.gz traccar-server-5465e58749ecf553839484f4a41ca94a1621bbb8.tar.bz2 traccar-server-5465e58749ecf553839484f4a41ca94a1621bbb8.zip | |
Handle empty AT2000 message (fix #2662)
Diffstat (limited to 'src/org/traccar')
| -rw-r--r-- | src/org/traccar/protocol/At2000ProtocolDecoder.java | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/At2000ProtocolDecoder.java b/src/org/traccar/protocol/At2000ProtocolDecoder.java index 00973f2aa..f990e05c2 100644 --- a/src/org/traccar/protocol/At2000ProtocolDecoder.java +++ b/src/org/traccar/protocol/At2000ProtocolDecoder.java @@ -102,6 +102,10 @@ public class At2000ProtocolDecoder extends BaseProtocolDecoder { return null; } + if (buf.capacity() <= BLOCK_LENGTH) { + return null; // empty message + } + byte[] data = new byte[buf.capacity() - BLOCK_LENGTH]; buf.readBytes(data); buf = ChannelBuffers.wrappedBuffer(ByteOrder.LITTLE_ENDIAN, cipher.update(data)); |