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* Fixed loading of non-ICANN domains that caused false positives with ↵Luca Deri2024-01-27
| | | | | | ndpi_load_domain_suffixes Minor hash optimization
* fuzz: extend fuzzing coverage (#2281)Ivan Nardi2024-01-24
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* example: rework code between `ndpiReader.c` and `reader_util.c` (#2273)Ivan Nardi2024-01-22
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* Improve handling of custom rules (#2276)Ivan Nardi2024-01-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Avoid collisions between user-ids and internal-ids protocols in the `example/protos.txt` file. Add a new value for the classification confidence: `NDPI_CONFIDENCE_CUSTOM_RULE` With `./example/ndpiReader -p example/protos.txt -H` we now see also the custom protocols and their internal/external ids: ``` nDPI supported protocols: Id Userd-id Protocol Layer_4 Nw_Proto Breed Category 0 0 Unknown TCP X Unrated Unspecified ... 387 387 Mumble UDP X Fun VoIP 388 388 iSCSI TCP Acceptable Unspecified 389 389 Kibana TCP Acceptable Unspecified 390 390 TestProto TCP Acceptable Unspecified 391 391 HomeRouter TCP Acceptable Unspecified 392 392 CustomProtocol TCP Acceptable Unspecified 393 393 AmazonPrime TCP Acceptable Unspecified 394 394 CustomProtocolA TCP Acceptable Unspecified 395 395 CustomProtocolB TCP Acceptable Unspecified 396 800 CustomProtocolC TCP Acceptable Unspecified 397 1024 CustomProtocolD TCP Acceptable Unspecified 398 2048 CustomProtocolE TCP Acceptable Unspecified 399 2049 CustomProtocolF TCP Acceptable Unspecified 400 2050 CustomProtocolG TCP Acceptable Unspecified 401 65535 CustomProtocolH TCP Acceptable Unspecified ``` We likely need to take a better look in general at the iteration between internal and external protocols ids... This PR fixes the issue observed in https://github.com/ntop/nDPI/pull/2274#discussion_r1460674874 and in https://github.com/ntop/nDPI/pull/2275.
* config: follow-up (#2268)Ivan Nardi2024-01-20
| | | | | | Some changes in the parameters names. Add a fuzzer to fuzz the configuration file format. Add the infrastructure to configuratin callbacks. Add an helper to map LRU cache indexes to names.
* config: allow configuration of guessing algorithmsNardi Ivan2024-01-18
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* config: move debug/log configuration to the new APINardi Ivan2024-01-18
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* config: remove `enum ndpi_prefs`Nardi Ivan2024-01-18
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* config: remove `ndpi_set_detection_preferences()`Nardi Ivan2024-01-18
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* config: move cfg of aggressiviness and opportunistic TLS to the new APINardi Ivan2024-01-18
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* config: move LRU cache configurations to the new APINardi Ivan2024-01-18
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* Make `ndpi_finalize_initialization()` returns an error codeNardi Ivan2024-01-18
| | | | We should check if the initialization was fine or not
* New API for library configurationNardi Ivan2024-01-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This is the first step into providing (more) configuration options in nDPI. The idea is to have a simple way to configure (most of) nDPI: only one function (`ndpi_set_config()`) to set any configuration parameters (in the present or on in the future) and we try to keep this function prototype as agnostic as possible. You can configure the library: * via API, using `ndpi_set_config()` * via a configuration file, in a text format This way, anytime we need to add a new configuration parameter: * we don't need to add two public functions (a getter and a setter) * we don't break API/ABI compatibility of the library; even changing the parameter type (from integer to a list of integer, for example) doesn't break the compatibility. The complete list of configuration options is provided in `doc/configuration_parameters.md`. As a first example, two configuration knobs are provided: * the ability to enable/disable the extraction of the sha1 fingerprint of the TLS certificates. * the upper limit on the number of packets per flow that will be subject to inspection
* Improved ndpi_get_host_domainLuca2024-01-16
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* Added ndpi_get_host_domain() for returning the host domainLuca2024-01-16
| | | | vs ndpi_get_host_domain_prefix() that instead returnd the host TLD
* ndpiReader: improve the check on max number of pkts processed per flow (#2261)Ivan Nardi2024-01-15
| | | | | | | | | | | Allow to disable this check. I don't know how much sense these limits have in the application (especially with those default values...) since we have always had a hard limit on the library itself (`max_packets_to_process` set to 32). The only value might be that they provide different limits for TCP and UDP traffic. Keep them for the time being...
* ndpiReader: fix memory leakNardi Ivan2024-01-15
| | | | | Change the working directory of `ndpiReader` in the Github Actions so that it can load the domain suffix list during `domainsUnitTest()`
* Added new API callsLuca2024-01-15
| | | | | | | | | | - ndpi_load_domain_suffixes() - ndpi_get_host_domain_suffix() whose goal is to find the domain name of a hostname. Example: www.bbc.co.uk -> co.uk mail.apple.com -> com
* Fix some warnings reported by CODESonar (#2227)Ivan Nardi2024-01-12
| | | | | | | | | | | | | | | | | | | Remove some unreached/duplicated code. Add error checking for `atoi()` calls. About `isdigit()` and similar functions. The warning reported is: ``` Negative Character Value help isdigit() is invoked here with an argument of signed type char, but only has defined behavior for int arguments that are either representable as unsigned char or equal to the value of macro EOF(-1). Casting the argument to unsigned char will avoid the undefined behavior. In a number of libc implementations, isdigit() is implemented using lookup tables (arrays): passing in a negative value can result in a read underrun. ``` Switching to our macros fix that. Add a check to `check_symbols.sh` to avoid using the original functions from libc.
* Add realtime protocol output to `ndpiReader`. (#2197)Toni2024-01-09
| | | | | | * support for using a new flow callback invoked before the flow memory is free'd * minor fixes Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* ndpiReader: add breed stats on output used for CI (#2236)Ivan Nardi2024-01-05
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* Add an implementation of the BSD function `strtonum` (#2238)Ivan Nardi2024-01-04
| | | | | The main difference with the original function is that we allow to specify the base. Credit for the original idea and the first implementation to @0xA50C1A1
* Implemented ndpi_is_outlier() for detecting outliers using z-scoreLuca2023-12-28
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* Implements ndpi_pearson_correlation for measuring how correlated are two seriesLuca Deri2023-12-27
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* Implements JA4 Support (#2191)Luca Deri2023-12-22
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* CI: update list of compilers (#2223)Ivan Nardi2023-12-20
| | | | | Try using latest gcc and clang versions. We still care about RHEL7: since handling a RHEL7 runner on GitHub is quite complex, let try to use a similar version of gcc, at least
* ndpiReader: avoid creating two detection modules when processing ↵Ivan Nardi2023-12-12
| | | | traffic/traces (#2209)
* ndpiReader: fix `guessed_flow_protocols` statistic (#2203)Ivan Nardi2023-12-12
| | | Increment the counter only if the flow has been guessed
* STUN: rework extra dissection (#2202)Ivan Nardi2023-12-11
| | | | | | | Keep looking for RTP packets but remove the monitoring concept. We will re-introduce a more general concept of "flow in monitoring state" later. The function was disabled by default. Some configuration knobs will be provided when/if #2190 is merged.
* fuzz: extend fuzzing coverage (#2205)Ivan Nardi2023-12-11
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* Fix typos (#2204)rl19872023-12-10
| | | | | * Fix typo in ndpiSimpleIntegration.c * Fix misspelling in a comment
* TLS: remove JA3+ fingerprints. (#2192)Ivan Nardi2023-12-05
| | | See: #2191
* Fixed hash buffer size in ndpiSimpleIntegration. (#2143)Toni2023-11-10
| | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Fixed implicit u32 cast in `ndpi_data_min()` / `ndpi_data_max()`. (#2139)Toni2023-11-09
| | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Added malicious sites from the polish cert. (#2121)Toni2023-11-02
| | | | | * added handling of parsing errors Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Implements support for symbolic host names (#2123)Luca Deri2023-10-29
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* IPv6: add support for custom categories (#2126)Ivan Nardi2023-10-29
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* IPv6: add support for IPv6 risk exceptions (#2122)Ivan Nardi2023-10-29
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* IPv6: add support for custom rules (#2120)Ivan Nardi2023-10-29
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* IPv6: add support for IPv6 risk tree (#2118)Ivan Nardi2023-10-27
| | | Fix the script to download crawler addressess
* ipv6: add support for ipv6 addresses lists (#2113)Ivan Nardi2023-10-26
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* QUIC: export QUIC version as metadataNardi Ivan2023-10-11
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* fuzz: extend fuzzing coverageNardi Ivan2023-10-07
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* Cleaned up mining datastructureLuca2023-09-27
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* Added printf/fprintf replacement for some internal modules. (#1974)Toni2023-09-26
| | | | | | * logging is instead redirected to `ndpi_debug_printf` Signed-off-by: lns <matzeton@googlemail.com> Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Fixes matches with domain name strings that start with a dotLuca Deri2023-09-11
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* fuzz: add fuzzers to test reader_util code (#2080)Ivan Nardi2023-09-10
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* Reworked domain classification based on binary filtersLuca Deri2023-09-02
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* Improvement for reducing false positivesLuca Deri2023-09-01
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* Swap from Aho-Corasick to an experimental/home-grown algorithm that uses a ↵Luca Deri2023-08-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | probabilistic approach for handling Internet domain names. For switching back to Aho-Corasick it is necessary to edit ndpi-typedefs.h and uncomment the line // #define USE_LEGACY_AHO_CORASICK [1] With Aho-Corasick $ ./example/ndpiReader -G ./lists/ -i tests/pcap/ookla.pcap | grep Memory nDPI Memory statistics: nDPI Memory (once): 37.34 KB Flow Memory (per flow): 960 B Actual Memory: 33.09 MB Peak Memory: 33.09 MB [2] With the new algorithm $ ./example/ndpiReader -G ./lists/ -i tests/pcap/ookla.pcap | grep Memory nDPI Memory statistics: nDPI Memory (once): 37.31 KB Flow Memory (per flow): 960 B Actual Memory: 7.42 MB Peak Memory: 7.42 MB In essence from ~33 MB to ~7 MB This new algorithm will enable larger lists to be loaded (e.g. top 1M domans https://s3-us-west-1.amazonaws.com/umbrella-static/index.html) In ./lists there are file names that are named as <category>_<string>.list With -G ndpiReader can load all of them at startup
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