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fuzz: extend fuzzing coverage (#2040)

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Some notes:
* libinjection: according to https://github.com/libinjection/libinjection/issues/44,
it seems NULL characters are valid in the input string;
* RTP: `rtp_get_stream_type()` is called only for RTP packets; if you
want to tell RTP from RTCP you should use `is_rtp_or_rtcp()`;
* TLS: unnecessary check; we already make the same check just above, at
the beginning of the `while` loop
This commit is contained in:
Ivan Nardi 2023-07-11 10:12:08 +02:00 • committed by GitHub
parent 859d9ea3c3
commit 950f5cc4e3
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18 changed files with 208 additions and 55 deletions
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tests/cfgs/default/pcap/quic_cc_ack.pcapng Normal file
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tests/cfgs/default/pcap/stun_classic.pcap Normal file
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tests/cfgs/default/result/quic_cc_ack.pcapng.out Normal file
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@ -0,0 +1,26 @@
Guessed flow protos: 0
DPI Packets (UDP): 2 (1.00 pkts/flow)
Confidence DPI : 2 (flows)
Num dissector calls: 2 (1.00 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)
LRU cache stun: 0/0/0 (insert/search/found)
LRU cache tls_cert: 0/0/0 (insert/search/found)
LRU cache mining: 0/0/0 (insert/search/found)
LRU cache msteams: 0/0/0 (insert/search/found)
LRU cache stun_zoom: 0/0/0 (insert/search/found)
Automa host: 0/0 (search/found)
Automa domain: 0/0 (search/found)
Automa tls cert: 0/0 (search/found)
Automa risk mask: 0/0 (search/found)
Automa common alpns: 0/0 (search/found)
Patricia risk mask: 4/0 (search/found)
Patricia risk: 4/0 (search/found)
Patricia protocols: 3/1 (search/found)
QUIC 2 2784 2
1 UDP 152.14.223.145:57113 -> 71.98.228.93:443 [proto: 188/QUIC][IP: 0/Unknown][Encrypted][Confidence: DPI][DPI packets: 1][cat: Web/5][1 pkts/1392 bytes -> 0 pkts/0 bytes][Goodput ratio: 97/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,100,0,0,0,0,0]
2 UDP 183.23.159.144:37787 -> 108.140.147.22:443 [proto: 188/QUIC][IP: 276/Azure][Encrypted][Confidence: DPI][DPI packets: 1][cat: Web/5][1 pkts/1392 bytes -> 0 pkts/0 bytes][Goodput ratio: 97/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][PLAIN TEXT (IhUo.7y)][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,100,0,0,0,0,0]

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tests/cfgs/default/result/stun_classic.pcap.out Normal file
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Guessed flow protos: 0
DPI Packets (UDP): 5 (5.00 pkts/flow)
Confidence DPI : 1 (flows)
Num dissector calls: 168 (168.00 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)
LRU cache stun: 0/4/0 (insert/search/found)
LRU cache tls_cert: 0/0/0 (insert/search/found)
LRU cache mining: 0/0/0 (insert/search/found)
LRU cache msteams: 0/0/0 (insert/search/found)
LRU cache stun_zoom: 0/0/0 (insert/search/found)
Automa host: 0/0 (search/found)
Automa domain: 0/0 (search/found)
Automa tls cert: 0/0 (search/found)
Automa risk mask: 0/0 (search/found)
Automa common alpns: 0/0 (search/found)
Patricia risk mask: 2/0 (search/found)
Patricia risk: 0/0 (search/found)
Patricia protocols: 2/0 (search/found)
RTP 22 1624 1
1 UDP 172.16.63.224:55050 <-> 172.16.63.21:13958 [proto: 78.87/STUN.RTP][IP: 0/Unknown][ClearText][Confidence: DPI][DPI packets: 5][cat: Media/1][9 pkts/662 bytes <-> 13 pkts/962 bytes][Goodput ratio: 43/43][0.23 sec][bytes ratio: -0.185 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 4/0 32/17 101/42 32/11][Pkt Len c2s/s2c min/avg/max/stddev: 70/74 74/74 74/74 1/0][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][Plen Bins: 4,95,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]