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* Fixed syslog false positives. (#1577)Toni2022-06-03
| | | | | | | * syslog: removed unnecessary/unreliable printable string check * added `ndpi_isalnum()` * splitted `ndpi_is_printable_string()` into `ndpi_is_printable_buffer()` and `ndpi_normalize_printable_string()` Signed-off-by: lns <matzeton@googlemail.com>
* Redefined type name to avoid conflictsLuca Deri2022-05-30
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* Added ability to return risk info in JSON format in ndpi_get_flow_risk_info()Luca2022-05-30
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* Updated tests resultsLuca Deri2022-05-30
| | | | Code cleanup
* Added RiskInfo stringLuca Deri2022-05-30
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* Fix dissection of IPv4 header (#1561)Ivan Nardi2022-05-29
| | | | | See: https://github.com/ntop/nDPI/runs/6643914510?check_suite_focus=true Convert al the `MIN(a,b)` calls to `ndpi_min(a,b)`
* Dazn: add support for Dazn streaming service (#1559)Ivan Nardi2022-05-29
| | | Update .gitignore file
* CommentLuca Deri2022-05-29
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* Use Doxygen to generate the API documentation. (#1558)Toni2022-05-29
| | | | | * Integrated Doxygen documentation into Sphinx Signed-off-by: lns <matzeton@googlemail.com>
* Added MPEG-DASH dissector. Fixes #1223. (#1555)Toni2022-05-29
| | | | | | * Improved HTTP POST detection * Refactored subprotocol detection Signed-off-by: lns <matzeton@googlemail.com>
* Updated SkypeCall -> Skype_TeamsCallLuca Deri2022-05-26
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* Improved detection of invalid SNI and hostnames in TLS, HTTPLuca Deri2022-05-24
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* Added room for storing information used by custom third-party dissectorsLuca Deri2022-05-19
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* Added Softether(-VPN) DDNS service detection. (#1544)Toni2022-05-09
| | | Signed-off-by: lns <matzeton@googlemail.com>
* Added Edgecast and Cachefly CDNs. (#1540)Toni2022-05-07
| | | | | | | | * Improved ASN update script * Ran `utils/update_every_lists.sh' * `tests/do.sh.in' prints the amount of failed pcap(s) * `utils/asn_update.sh' prints the amount of failed download(s) Signed-off-by: lns <matzeton@googlemail.com>
* Added ndpi_get_flow_error_code() API callLuca Deri2022-05-02
| | | | Fixed typo
* Added ability to store custom category file in patricia treeLuca Deri2022-04-26
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* Add ndpi_json_string_escape to the APIAlfredo Cardigliano2022-04-26
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* Added generic user agent setter. (#1530)Toni2022-04-25
| | | | | * ndpiReader: Print user agent if one was set and not just for certain protocols. Signed-off-by: lns <matzeton@googlemail.com>
* XIAOMI: add detection of Xiaomi traffic (#1529)Ivan Nardi2022-04-25
| | | Most of the credits should go to @utoni (see #1521)
* Added RakNet protocol dissector. (#1527)Toni2022-04-24
| | | | | * Frame Set PDU's do not get fully dissected for the sake of simplicity Signed-off-by: lns <matzeton@googlemail.com>
* Add some scripts to easily update some IPs lists (#1522)Ivan Nardi2022-04-21
| | | | | Follow-up of 8b062295 Add a new protocol id for generic Tencent/Wechat flows
* Added proprietary Agora Software Defined Real-time Network (SD-RTN) protocol ↵Toni2022-04-20
| | | | | dissector. (#1520) Signed-off-by: lns <matzeton@googlemail.com>
* Added Toca Boca protocol dissector. (#1517)Toni2022-04-19
| | | Signed-off-by: lns <matzeton@googlemail.com>
* Fixed msys2 build warnings and re-activated CI Mingw64 build.fix/windows-msys2Toni Uhlig2022-04-14
| | | | | | | * Removed Visual Studio leftovers. Maintaining an autotools project with VS integration requires some additional overhead. Signed-off-by: Toni Uhlig <matzeton@googlemail.com> Signed-off-by: lns <matzeton@googlemail.com>
* QUIC: handle retransmissions and overlapping fragments in reassembler ↵Vinicius Silva Nogueira2022-04-07
| | | | | | | | | | | | | | | | | | | | | (#1195) (#1498) * QUIC: handle retransmissions and overlapping fragments in reassembler * Trigger CI * minor fix: parentheses * Changing ndpi_malloc to ndpi_calloc * fix memory leak * quic_reasm_buf calloc to malloc * change order of is_ch_complete && is_reasm_buf_complete call * is_reasm_buf_complete: added handling for case where frame size is not multiple of 8 * add extra check
* Python bindings fix.aouinizied2022-04-07
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* Added ndpi_find_outliers() API call using Z-ScoreLuca Deri2022-04-04
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* Add support for Pluralsight site (#1503)Ivan Nardi2022-03-27
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* Reducing the size of the ndpi_detection_module_struct structure. (#1490)Vitaly Lavrov2022-03-27
| | | | | | | | | | | | | | The ndpi_detection_module_struct structure contains 5 arrays "struct ndpi_call_function_struct" size 286*144=41 kB size, which are occupied by a small number of elements. At the moment we have callback_buffer_size = 172, tcp_with_payload=114, tcp_no_payload=8, udp=93, other 8. NDPI_MAX_SUPPORTED_PROTOCOLS = 285. Size of struct ndpi_detection_module_struct is 253136 bytes. Size of all structs ndpi_call_function_struct 5*286*144=205920 bytes. Real use memory size for struct ndpi_call_function_struct is (173+224)*144=57168 bytes.
* Trying to improve QUIC reassembler (#1195) (#1489)Vinicius Silva Nogueira2022-03-24
| | | | | | | | | | | * handling QUIC out-of-order fragments * minor fix * updated quic_frags_ch_out_of_order_same_packet_craziness.pcapng.out * quic test: buf_len + last_pos * QUIC: comment update in __reassemble function and minor change is_ch_complete function
* Complete rework of nDPI Python bindings (cffi API, automatic generation, ↵aouinizied2022-03-22
| | | | packaging and CI integration)
* Extend tests coverage (#1476)Ivan Nardi2022-03-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now there is at least one flow under `tests/pcap` for 249 protocols out of the 284 ones supported by nDPI. The 35 protocols without any tests are: * P2P/sharing protocols: DIRECT_DOWNLOAD_LINK, OPENFT, FASTTRACK, EDONKEY, SOPCAST, THUNDER, APPLEJUICE, DIRECTCONNECT, STEALTHNET * games: CSGO, HALFLIFE2, ARMAGETRON, CROSSFIRE, DOFUS, FIESTA, FLORENSIA, GUILDWARS, MAPLESTORY, WORLD_OF_KUNG_FU * voip/streaming: VHUA, ICECAST, SHOUTCAST, TVUPLAYER, TRUPHONE * other: AYIYA, SOAP, TARGUS_GETDATA, RPC, ZMQ, REDIS, VMWARE, NOE, LOTUS_NOTES, EGP, SAP Most of these protocols (expecially the P2P and games ones) have been inherited by OpenDPI and have not been updated since then: even if they are still used, the detection rules might be outdated. However code coverage (of `lib/protocols`) only increases from 65.6% to 68.9%. Improve Citrix, Corba, Fix, Aimini, Megaco, PPStream, SNMP and Some/IP dissection. Treat IPP as a HTTP sub protocol. Fix Cassandra false positives. Remove `NDPI_PROTOCOL_QQLIVE` and `NDPI_PROTOCOL_REMOTE_SCAN`: these protocol ids are defined but they are never used. Remove Collectd support: its code has never been called. If someone is really interested in this protocol, we can re-add it later, updating the dissector. Add decoding of PPI (Per-Packet Information) data link type.
* Added autoconf option `--enable-tls-sigs'. (#1471)Toni2022-03-03
| | | | | | * Testing more code in CI environments. * Added strict option checking for `./configure' in CI environments. Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Add ICMP checksum check and set risk if mismatch detected. (#1464)Toni2022-03-02
| | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Added configureable ndpi packet processing limit. (#1466)Toni2022-03-02
| | | | | | | | | * The current behaviour ignores any user preferences and was also incorrectly implemented, because the flow->num_processed_pkts wraps every 65535 and nDPI will process packets again until NDPI_MAX_NUM_PKTS_PER_FLOW_TO_DISSECT reached. Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Add a new flow risk `NDPI_ANONYMOUS_SUBSCRIBER` (#1462)Ivan Nardi2022-02-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The main goal of a DPI engine is usually to determine "what", i.e. which types of traffic flow on the network. However the applications using DPI are often interested also in "who", i.e. which "user/subscriber" generated that traffic. The association between a flow and a subscriber is usually done via some kind of DHCP/GTP/RADIUS/NAT mappings. In all these cases the key element of the flow used to identify the user is the source ip address. That usually happens for the vast majority of the traffic. However, depending on the protocols involved and on the position on the net where the traffic is captured, the source ip address might have been changed/anonymized. In that case, that address is useless for any flow-username association. Example: iCloud Private Relay traffic captured between the exit relay and the server. See the picture at page 5 on: https://www.apple.com/privacy/docs/iCloud_Private_Relay_Overview_Dec2021.PDF This commit adds new generic flow risk `NDPI_ANONYMOUS_SUBSCRIBER` hinting that the ip addresses shouldn't be used to identify the user associated with the flow. As a first example of this new feature, the entire list of the relay ip addresses used by Private Relay is added. A key point to note is that list is NOT used for flow classification (unlike all the other ip lists present in nDPI) but only for setting this new flow risk. TODO: IPv6
* Removed some unused fields (#1461)Ivan Nardi2022-02-28
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* Bug fixing. (#1459)Vitaly Lavrov2022-02-28
| | | | | The '--enable-debug-messages' option works again. Fixed warning in ahocorasick.c Fixed integer overflow in ndpiReader.c for 32bit systems.
* Add some scripts to easily update some IPs lists (#1449)Ivan Nardi2022-02-25
| | | | | | | | | | | While the lists in a6ff0dd0 and 2f5f445f are somehow provided by the companies themselves (or by some interested parties), these new lists are directly extracted from BGP information, via AS prefixes. *Usually*, these new lists are far more stable than the previous ones. TODO: * add some other ASNs (see `src/lib/ndpi_content_match.c.inc`) * IPv6, as usual :-(
* Provide some API functions for convenience. (#1456)Toni2022-02-25
| | | | | * Extended JSON serializsation: risk, risk score, confidence Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* EthernetIP: add missing initialization (#1448)Ivan Nardi2022-02-20
| | | Fix:1e1cfb89
* Add support for Google Cloud (#1447)Ivan Nardi2022-02-20
| | | | Differentiate between Google its own apps/services and Google Cloud. We already do something similar for Amazon vs AWS and Microsoft vs Azure.
* Added newflow risk NDPI_HTTP_CRAWLER_BOTLuca Deri2022-02-17
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* Invalid prototupe fixLuca Deri2022-02-10
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* Added cybersecurity protocol and category that groups traffic towards ↵Luca Deri2022-02-10
| | | | leading cybersecurity companies and CDNs, useful to make destinations that should be marked as trusted in firewalls and security gateways
* Added VXLAN dissector (#1439)Dmytrii Vitman2022-02-09
| | | * RFC 7348
* Add few scripts to easily update some IPs lists (#1436)Ivan Nardi2022-02-09
| | | | | | | | | | | | | | | | | | | | | | | | * 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>
* Added ndpi_serialize_string_string_len() APi callLuca Deri2022-02-08
| | | | Fixed CSV string serialization
* Added HSRP protocol detectionLuca Deri2022-02-08
| | | | Removed attic directory now obsolete
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