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'strcasestr' is not defined in all enviroments: quicker fix is to use
'ndpi_strncasestr' instead.
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* Sync utest results
* Fix read-heap-buffer-overflow error reported by CI
See: https://github.com/ntop/nDPI/runs/5055876515?check_suite_focus=true
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Fix: 7a3aa41a
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As a general rule, the higher the confidence value, the higher the
"reliability/precision" of the classification.
In other words, this new field provides an hint about "how" the flow
classification has been obtained.
For example, the application may want to ignore classification "by-port"
(they are not real DPI classifications, after all) or give a second
glance at flows classified via LRU caches (because of false positives).
Setting only one value for the confidence field is a bit tricky: more
work is probably needed in the next future to tweak/fix/improve the logic.
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We should avoid updating any valid protocol in `ndpi_detection_giveup`; we
should try to find a proper classification only if the flow is still
completely unclassified.
For example in the attached pcap there is a valid TLS session, recognized
as such by TLS dissector. However, the `ndpi_detection_giveup`function
updates it to "HTTP/TLS" (!?) simply because the server port is 80.
Note that the real issue is not the wrong classification, but the
wrong access to `flow->protos` union. If we already set some fields of
`flow->protos` and we change the protocol in `ndpi_detection_giveup`, we
might end up freeing some invalid pointers in `ndpi_free_flow_data`
(no wonder this issue has been found while fuzzing #1354)
Fix GIT and TLS dissectors (issues found by CI fuzzer)
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`ndpi_detection_giveup()` (and any functions called by it) can't access
`ndpi_detection_module_struct->packet` anymore since 730c236.
Sync unit tests results
Close #1348
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* Improve CI pipeline
* Fix branch name.
* Fix branch name.
* Fix libgcrypt configuration.
* Update build.yml
* Move to Github Actions instead of Travis CI.
* Fix mingw on ubuntu bionic.
* Reactivate cross compile on Ubuntu Bionic.
* Switch to single line steps.
* Add several compilers versions
* Minor fix.
* Fix build all and delete cxx
* Fix RCE detection.
* Fix PCRE configuration.
* Add condition on PCRE test pcap.
* Update WebattackRCE.pcap.out
* Add missing SUBST.
* Delete WebattackRCE.pcap.out
* Update WebAttackRCE result.
* Fix typo.
* Extend jobs with pcre+msan+maxminddb.
* Fix code inpector warnings.
* Delete .appveyor.yml
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The goal is to have a (roughly) idea about how many packets nDPI needs
to properly classify a flow.
Log this information (and guessed flows number too) during unit tests,
to keep track of improvements/regressions across commits.
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be present with POSTs and not with other methods such as GET
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Added packet lenght distribution bins
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* This fix also improved RCE Injection detection
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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Modified HTTP report information to make it closer to the HTTP field names
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Added check to spot executables exchanged via HTTP
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