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Improved Protobuf dissector. (#2119)

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* tag extraction/validation was done wrong

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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Toni 2023-10-27 10:19:47 +02:00 • committed by GitHub
parent 8b07be4b9f
commit ed17f4d658
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34 changed files with 100 additions and 117 deletions
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13
tests/cfgs/default/result/protobuf.pcap.out
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@ -1,8 +1,8 @@
Guessed flow protos: 0
DPI Packets (TCP): 22 (5.50 pkts/flow)
Confidence DPI : 4 (flows)
Num dissector calls: 572 (143.00 diss/flow)
DPI Packets (TCP): 26 (5.20 pkts/flow)
Confidence DPI : 5 (flows)
Num dissector calls: 694 (138.80 diss/flow)
LRU cache ookla: 0/0/0 (insert/search/found)
LRU cache bittorrent: 0/0/0 (insert/search/found)
LRU cache zoom: 0/0/0 (insert/search/found)
@ -18,12 +18,13 @@ Automa risk mask: 0/0 (search/found)
Automa common alpns: 0/0 (search/found)
Patricia risk mask: 0/0 (search/found)
Patricia risk: 0/0 (search/found)
Patricia protocols: 8/0 (search/found)
Patricia protocols: 10/0 (search/found)
Patricia protocols IPv6: 0/0 (search/found)
Protobuf 52 3895 4
Protobuf 60 4446 5
1 TCP 127.0.0.1:52392 <-> 127.0.0.1:12345 [proto: 353/Protobuf][IP: 0/Unknown][ClearText][Confidence: DPI][DPI packets: 4][cat: Network/14][11 pkts/890 bytes <-> 9 pkts/498 bytes][Goodput ratio: 32/0][70.00 sec][bytes ratio: 0.282 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/10000 6667/8333 10000/10000 4714/3727][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 81/55 122/66 31/4][PLAIN TEXT (AAAABBBBX)][Plen Bins: 42,0,57,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
2 TCP 127.0.0.1:39786 <-> 127.0.0.1:12345 [proto: 353/Protobuf][IP: 0/Unknown][ClearText][Confidence: DPI][DPI packets: 4][cat: Network/14][5 pkts/832 bytes <-> 3 pkts/174 bytes][Goodput ratio: 66/0][10.00 sec][bytes ratio: 0.654 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/0 2500/0 10000/0 4330/0][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 166/58 604/66 219/6][PLAIN TEXT (Lorem ipsum dolor sit amet)][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
3 TCP 127.0.0.1:51680 <-> 127.0.0.1:12345 [proto: 353/Protobuf][IP: 0/Unknown][ClearText][Confidence: DPI][DPI packets: 10][cat: Network/14][9 pkts/588 bytes <-> 7 pkts/390 bytes][Goodput ratio: 15/0][50.00 sec][bytes ratio: 0.202 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/10000 5714/7500 10000/10000 4949/4330][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 65/56 72/66 8/4][Plen Bins: 100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
4 TCP 127.0.0.1:42358 <-> 127.0.0.1:12345 [proto: 353/Protobuf][IP: 0/Unknown][ClearText][Confidence: DPI][DPI packets: 4][cat: Network/14][5 pkts/349 bytes <-> 3 pkts/174 bytes][Goodput ratio: 19/0][< 1 sec][bytes ratio: 0.335 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/0 0/0 0/0 0/0][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 70/58 121/66 26/6][Plen Bins: 0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
4 TCP 127.0.0.1:59030 <-> 127.0.0.1:12345 [proto: 353/Protobuf][IP: 0/Unknown][ClearText][Confidence: DPI][DPI packets: 4][cat: Network/14][5 pkts/377 bytes <-> 3 pkts/174 bytes][Goodput ratio: 25/0][3.00 sec][bytes ratio: 0.368 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/0 750/0 3000/0 1299/0][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 75/58 149/66 37/6][Plen Bins: 0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
5 TCP 127.0.0.1:42358 <-> 127.0.0.1:12345 [proto: 353/Protobuf][IP: 0/Unknown][ClearText][Confidence: DPI][DPI packets: 4][cat: Network/14][5 pkts/349 bytes <-> 3 pkts/174 bytes][Goodput ratio: 19/0][< 1 sec][bytes ratio: 0.335 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/0 0/0 0/0 0/0][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 70/58 121/66 26/6][Plen Bins: 0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]