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Update libinjection code to the current master https://github.com/libinjection/libinjection/commit/7e4b74e824dc3f0623ba4894df2a0d817351ec39
The goal is to finally fix #1820
See: https://github.com/libinjection/libinjection/issues/33
Update the corpus of the libinjection fuzzers
Close #1820
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Remove `FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION` define from
`fuzz/Makefile.am`; it is already included by the main configure script
(when fuzzing).
Add a knob to force disabling of AESNI optimizations: this way we can
fuzz also no-aesni crypto code.
Move CRC32 algorithm into the library.
Add some fake traces to extend fuzzing coverage. Note that these traces
are hand-made (via scapy/curl) and must not be used as "proof" that the
dissectors are really able to identify this kind of traffic.
Some small updates to some dissectors:
CSGO: remove a wrong rule (never triggered, BTW). Any UDP packet starting
with "VS01" will be classified as STEAM (see steam.c around line 111).
Googling it, it seems right so.
XBOX: XBOX only analyses UDP flows while HTTP only TCP ones; therefore
that condition is false.
RTP, STUN: removed useless "break"s
Zattoo: `flow->zattoo_stage` is never set to any values greater or equal
to 5, so these checks are never true.
PPStream: `flow->l4.udp.ppstream_stage` is never read. Delete it.
TeamSpeak: we check for `flow->packet_counter == 3` just above, so the
following check `flow->packet_counter >= 3` is always false.
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Autodetecting the needed buffer size is quite complex (especially with
float/double values) so it is mandatory to properly check for
`ndpi_snprintf` truncation.
These issues have been undetected so far probably because the default
buffer is big enough for all common cases.
Add an example of usage of `ndpi_deserialize_clone_all()` (taken from
`ntopng`)
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Start using a dictionary for fuzzing (see:
https://llvm.org/docs/LibFuzzer.html#dictionaries).
Remove some dead code.
Fuzzing with debug enabled is not usually a great idea (from performance
POV). Keep the code since it might be useful while debugging.
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We *do* want to have some allocation errors.
Fix some related bugs
Fix: 29be01ef
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Fix some issues found with these new fuzzers
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QUIC packets are encrypted/obfuscated; that means that we need to
decrypt them before parsing the real (TLS) message.
Fuzzing is not effective here, since a random buffer is hardly a valid
encrypted QUIC packet.
Add a new fuzzer, testing *decrypted* QUIC packets.
Add a basic corpus.
Fix a few bugs already found by this fuzzer.
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