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* Compilation fixed on CentOS 7Luca Deri2021-09-27
| | | | Bitmap APi changes
* Fix armhf (#1315)Gianfranco Costamagna2021-09-26
| | | | | | | | | | | | | | | | * Fix unaligned memory accesses with get_u_int64_t at armhf see: https://bugs.debian.org/993627 * Use get_u_int64_t to avoid unaligned memory access at armhf see: https://bugs.debian.org/993627 * Update src/include/ndpi_define.h.in Drop const type from get_u_int64_t, from lnslbrty Co-authored-by: Bernhard Übelacker <bernhardu@mailbox.org> Co-authored-by: Toni <matzeton@googlemail.com>
* Added include for defining bools (not present on all platforms)Luca Deri2021-09-26
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* Added API for handling compressed bitmapsLuca Deri2021-09-26
| | | | | | | | | | | | | | ndpi_bitmap* ndpi_bitmap_alloc(); void ndpi_bitmap_free(ndpi_bitmap* b); u_int64_t ndpi_bitmap_cardinality(ndpi_bitmap* b); void ndpi_bitmap_set(ndpi_bitmap* b, u_int32_t value); void ndpi_bitmap_unset(ndpi_bitmap* b, u_int32_t value); bool ndpi_bitmap_isset(ndpi_bitmap* b, u_int32_t value); void ndpi_bitmap_clear(ndpi_bitmap* b); size_t ndpi_bitmap_serialize(ndpi_bitmap* b, char **buf); ndpi_bitmap* ndpi_bitmap_deserialize(char *buf); based on https://github.com/RoaringBitmap/CRoaring
* QUIC: fix old GQUIC versions on big-endian machines (#1313)Ivan Nardi2021-09-23
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* FTP: fix support for START-TLS sessionsNardi Ivan2021-09-21
| | | | | | When TLS-over-FTP is used, the credentials are encrypted. So we must not wait for the username and the password commands, otherwise we elaborate a lot of packets for nothing.
* A (tiny) effort to reduce memory usage per flow (#1304)Ivan Nardi2021-09-18
| | | | | | | Follow-up of 22241a1d Only trivial changes: * remove completely unused fields * remove fields only written (but never read) * CSGO protocol only handles UDP traffic
* Progetto esame Gestione di Reti - Debora Cerretini (#1290)deboracerretini2021-09-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload Co-authored-by: Luca Deri <lucaderi@users.noreply.github.com>
* Adds instructions to update flow risks in ntopngSimone Mainardi2021-09-15
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* Removing unused fields from the id_struct structure. (#1293)Vitaly Lavrov2021-09-13
| | | Reduced by 40 bytes.
* Added new risk for clear text credentialsLuca Deri2021-09-10
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* Add Cassandra protocol dissector (#1285)lucasbaile2021-09-09
| | | Co-authored-by: Lucas Santos <lucas.santos@zerum.com>
* Win fixLuca Deri2021-09-07
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* Fix access to some TLS fields in flow structure (#1277)Ivan Nardi2021-08-20
| | | | Fields 'tls.hello_processed` and `tls.subprotocol_detected` are used by QUIC (i.e UDP...), too.
* Compile everything with "-W -Wall -Wno-unused-parameter" flags (#1276)Ivan Nardi2021-08-20
| | | | | | | | | | | | | | | | Fix all the warnings. Getting rid of "-Wno-unused-parameter" is quite complex because some parameters usage depends on compilation variable (i.e. `--enable-debug-messages`). The "-Werror" flag has been added only in Travis builds to avoid breaking the builds to users using uncommon/untested OS/compiler/enviroment. Tested on: * x86_64; Ubuntu 20.04; gcc 7,8,9,10,11; clang 7,8,9,10,11,12 * x86_64; CentOS 7.7; gcc 4.8.5 (with "--disable-gcrypt" flag) * Raspberry 4; Debian 10.10; gcc 8.3.0
* Fixed Mingw64 build, SonerCloud-CI and more. (#1273)Toni2021-08-18
| | | | | | | | | | | | | * Added ARM build and unit test run for SonarCloud-CI. Signed-off-by: Toni Uhlig <matzeton@googlemail.com> * Fixed Mingw64 build. * adapted to SonarCloud-CI workflow * removed broken and incomplete Windows example (tested on VS2017/VS2019) * removed unnecessary include (e.g. pthread.h for the library which does not make use of it) Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Fixed some invalid TLS guessesLuca Deri2021-08-17
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* Fix typoAlfredo Cardigliano2021-08-10
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* TypoLuca Deri2021-08-09
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* Addef ETH_ARP definitionLuca Deri2021-08-09
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* Defined more standard ethernet protocol typesLuca Deri2021-08-09
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* Added protocol definesLuca Deri2021-08-09
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* Clode cleanup (after last merge)Luca Deri2021-08-08
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* Added entropy calculation to check for suspicious (encrypted) payload. (#1270)Toni2021-08-08
| | | | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com> Co-authored-by: Luca Deri <lucaderi@users.noreply.github.com>
* Added TLS fatal alert flow riskLuca Deri2021-08-07
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* Added ability to report whether a protocol is encryptedLuca Deri2021-08-07
| | | | | | | | | Added new API calls - u_int8_t ndpi_is_valid_protoId(u_int16_t protoId); Cleaned up code and organized in a function. - u_int8_t ndpi_is_encrypted_proto(struct ndpi_detection_module_struct *ndpi_str, ndpi_protocol proto); Check whether a protocol is encrypted or not based on master and app protocols
* Improved risk detection mask algorithmLuca Deri2021-07-26
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* Improved TFTP detection. Fixes #1242, #1256 (#1262)Toni2021-07-25
| | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Typo (Thanks Ivan)Luca Deri2021-07-24
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* Implemented ALPN automa for checking uncommon ALPNsLuca Deri2021-07-24
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* Risk check improvementLuca Deri2021-07-24
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* TypoAlfredo Cardigliano2021-07-23
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* Fix prototypeAlfredo Cardigliano2021-07-23
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* Reworked flow risk implementationLuca Deri2021-07-23
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* Implemented function to retrieve flow information. #1253 (#1254)Toni2021-07-23
| | | | | * fixed [h]euristic typo Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Implementation of flow risk eception (work in progress)Luca Deri2021-07-22
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* Added risk: TLS_EXTENSION_SUSPICIOUS (#1252)Toni2021-07-19
| | | | | | * validates client/server hello TLS extensions * inspects content for some extensions Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Fix setting of flow risks on 32 bit machines (#1251)Ivan Nardi2021-07-19
| | | | Since 19a29e1e (NDPI_TLS_CERT_VALIDITY_TOO_LONG is 32), unit tests are failing on 32 bit machines (i.e Raspberry 4)
* TLS Risks - Certificate Validity Too Long (#1239)pacant2021-07-14
| | | | | | | | | | | * Added flow risk: TLS certificate too long * Added flow risk: TLS certificate too long * Date for TLS limit added * TLS certificate check fixed Co-authored-by: pacant <a.pace97@outlook.com>
* Added AVAST SecureDNS protocol. (#1244)Toni2021-07-14
| | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* ahoсorasick. Code review. Part 2. (#1236)Vitaly Lavrov2021-07-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Simplified the process of adding lines to AC_AUTOMATA_t. Use the ndpi_string_to_automa() function to add patterns with domain names. For other cases can use ndpi_add_string_value_to_automa(). ac_automata_feature(ac_automa, AC_FEATURE_LC) allows adding and compare data in a case insensitive manner. For mandatory pattern comparison from the end of the line, the "ac_pattern.rep.at_end=1" flag is used. This eliminated unnecessary conversions to lowercase and adding "$" for end-of-line matching in domain name patterns. ac_match_handler() has been renamed ac_domain_match_handler() and has been greatly simplified. ac_domain_match_handler() looks for the template with the highest domain level. For special cases it is possible to manually specify the domain level. Added test for checking ambiguous domain names like: - short.weixin.qq.com is QQ, not Wechat - instagram.faae1-1.fna.fbcdn.net is Instagram, not Facebook If you specify a NULL handler when creating the AC_AUTOMATA_t structure, then a pattern with the maximum length that satisfies the search conditions will be found (exact match, from the beginning of the string, from the end of the string, or a substring). Added debugging for ac_automata_search. To do this, you need to enable debugging globally using ac_automata_enable_debug(1) and enable debugging in the AC_AUTOMATA_t structure using ac_automata_name("name", AC_FEATURE_DEBUG). The search will display "name" and a list of matching patterns. Running "AHO_DEBUG=1 ndpiReader ..." will show the lines that were searched for templates and which templates were found. The ac_automata_dump() prototype has been changed. Now it outputs data to a file. If it is specified as NULL, then the output will be directed to stdout. If you need to get data as a string, then use open_memstream(). Added the ability to run individual tests via the do.sh script
* Fix for #1230 (#1235)Vitaly Lavrov2021-07-07
| | | | | | | | | | | | | | | * Revert "Fix return value of ndpi_match_string_subprotocol() (#1230)" This reverts commit 58665e93a98d014b53d131b2481ccab074efc9ff. * Checking the return code after calling ndpi_match_string_subprotocol() ndpi_api.h: Description of the returned error codes for the ndpi_match_string_subprotocol() function. If the ndpi_match_string_subprotocol() function returned an error, then return NDPI_PROTOCOL_UNKNOWN. http: The "Content-type" header is only checked if it is not empty.
* Updated prototypeLuca Deri2021-07-05
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* Improve content match lists (#1226)Ivan Nardi2021-07-05
| | | | | | Add support for Likee app (https://likee.video/) and GitLab Improve detection of Google domains ("gtv1.com" added in 6dd42d19f was likely a typo) Improve Snapchat and Tiktok detection
* Added Z39.50 protocol. (#1219)Toni2021-06-29
| | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* QUIC: add basic support for fragmented Client Hello (#1216)Ivan Nardi2021-06-24
| | | | Only in-order and non overlapping fragments are handled See #1195
* Speed and memory size optimisation (#1214)Vitaly Lavrov2021-06-23
| | | | | | | Removed bigram_automata, impossible_bigram_automata, trigram_automata. The ahocorasick structure is replaced with a bitmap. The bitmap size for ndpi_en_bigram is 176 bytes. The bitmap size for ndpi_en_trigram is 2201 bytes. On the test machine, the test execution time was reduced from 27.3 seconds to 24.7 (9%).
* Restored 32 bit value in ndpi_match_string_value()Luca Deri2021-06-21
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* Upgraded exponential smoothing to 64 bit valuesLuca Deri2021-06-18
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* Added bitmap boundary checksLuca Deri2021-06-17
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