| Commit message (Collapse) | Author | Age |
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These flows are classifed as `LINE_CALL`; another option was
`RTP/LINE_CALL`. No sure about the best solution...
Extend LINE domains list.
Remove RTP dead code.
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Fix: a7c2734b
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0 as size value disable the cache.
The diffs in unit tests are due to the fact that some lookups are
performed before the first insert: before this change these lookups
weren't counted because the cache was not yet initialized, now they are.
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Basically:
* "classification by-ip" (i.e. `flow->guessed_protocol_id_by_ip` is
NEVER returned in the protocol stack (i.e.
`flow->detected_protocol_stack[]`);
* if the application is interested into such information, it can access
`ndpi_protocol->protocol_by_ip` itself.
There are mainly 4 points in the code that set the "classification
by-ip" in the protocol stack: the generic `ndpi_set_detected_protocol()`/
`ndpi_detection_giveup()` functions and the HTTP/STUN dissectors.
In the unit tests output, a print about `ndpi_protocol->protocol_by_ip`
has been added for each flow: the huge diff of this commit is mainly due
to that.
Strictly speaking, this change is NOT an API/ABI breakage, but there are
important differences in the classification results. For examples:
* TLS flows without the initial handshake (or without a matching
SNI/certificate) are simply classified as `TLS`;
* similar for HTTP or QUIC flows;
* DNS flows without a matching request domain are simply classified as
`DNS`; we don't have `DNS/Google` anymore just because the server is
8.8.8.8 (that was an outrageous behaviour...);
* flows previusoly classified only "by-ip" are now classified as
`NDPI_PROTOCOL_UNKNOWN`.
See #1425 for other examples of why adding the "classification by-ip" in
the protocol stack is a bad idea.
Please, note that IPV6 is not supported :( (long standing issue in nDPI) i.e.
`ndpi_protocol->protocol_by_ip` wil be always `NDPI_PROTOCOL_UNKNOWN` for
IPv6 flows.
Define `NDPI_CONFIDENCE_MATCH_BY_IP` has been removed.
Close #1687
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Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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Signed-off-by: lns <matzeton@googlemail.com>
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
Signed-off-by: lns <matzeton@googlemail.com>
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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Avoid a double call of `ndpi_guess_host_protocol_id()`.
Some code paths work for ipv4/6 both
Remove some never used code.
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* added static assert if supported, to complain if the flow struct changes
Signed-off-by: lns <matzeton@googlemail.com>
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* fixed RiotGames false positive
Signed-off-by: lns <matzeton@googlemail.com>
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Signed-off-by: lns <matzeton@googlemail.com>
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Signed-off-by: lns <matzeton@googlemail.com>
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Add (basic) internal stats to the main data structures used by the
library; they might be usefull to check how effective these structures
are.
Add an option to `ndpiReader` to dump them; enabled by default in the
unit tests.
This new option enables/disables dumping of "num dissectors calls"
values, too (see b4cb14ec).
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Since e6b332aa, we have proper support for detecting client/server
direction. So Tinc dissector is now able to properly initialize the
cache entry only when needed and not anymore at the SYN time; initializing
that entry for **every** SYN packets was a complete waste of resources.
Since 4896dabb, the various `struct ndpi_call_function_struct`
structures are not more separate objects and therefore comparing them
using only their pointers is bogus: this bug was triggered by this
change because `ndpi_str->callback_buffer_size_tcp_no_payload` is now 0.
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Tcp retransmissions should be ignored.
Remove some unused protocol bitmasks.
Update script to download Whatsapp IP list.
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Add an helper to exclude a generic protocol
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Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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Code cleanup
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* Add few scripts to easily update some IPs lists
Some IPs lists should be updated frequently: try to easy the process.
The basic idea is taken from d59fefd0 and a8fe74e5 (for Azure
addresses): one specific .c.inc file and one script for each protocol.
Add the possibility to don't load a specific list.
Rename the old NDPI_PROTOCOL_HOTMAIL id to NDPI_PROTOCOL_MS_OUTLOOK,
to identify Hotmail/Outlook/Exchange flows.
TODO: ipv6
Remove the 9 addresses associated to BitTorrent: they have been added in
e2f21116 but it is not clear why all the traffic to/from these ips
should be classified as BitTorrent.
* Added quotes
* Added quotes
Co-authored-by: Luca Deri <lucaderi@users.noreply.github.com>
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Add detection of AccuWeather site/app and Google Classroom.
Improve detection of Azure, Zattoo, Whatsapp, MQTT and LDAP.
Fix some RX false positives.
Fix some "Uncommon TLS ALPN"-risk false positives.
Fix "confidence" value for some Zoom/Torrent classifications.
Minor fix in Lua script for Wireshark extcap.
Update .gitignore file.
Let GitHub correctly detect the language type of *.inc files.
Zattoo example has been provided by @subhajit-cdot in #1148.
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Fix: 7a3aa41a
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