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* Provide thread sync via locking on architectures that do not support ↵Toni Uhlig2022-09-17
| | | | | | Compare&Swap. Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Add OpenWrt CI via Github Actions.Toni Uhlig2022-09-17
| | | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* New flow event: 'analysis'.Toni Uhlig2022-09-13
| | | | | | | | | * The goal was to provide a separate event for extracted feature that are not required and only useful for a few (e.g. someone who wants do ML). * Increased network buffer size to 32kB (8192 * 4). * Switched timestamp precision from ms to us for *ALL* timestamps. Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Fixed compilation warnings on linux32 platforms.Toni Uhlig2022-09-10
| | | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Bump libnDPI to 37f918322c0a489b5143a987c8f1a44a6f78a6f3 and updated flow ↵Toni Uhlig2022-09-06
| | | | | | | | | json schema file. * export env vars AR / CMAKE_C_COMPILER_AR and RANLIB / CMAKE_C_COMPILER_RANLIB while building libnDPI * nDPId check API version during startup (macro vs. function call) and print a warning if they are different Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* nDPId: Fixed fcntl() issue; invalid fcntl() set after a blocking-write.lns2022-08-29
| | | | | | | * nDPId: imrpvoed collector socket error messages on connect/write/etc failures * reverted `netcat` parts of the README Signed-off-by: lns <matzeton@googlemail.com>
* Split `*_l4_payload_len' into `*_src_l4_payload_len' and `*_dst_l4_payload_len'.Toni Uhlig2022-08-15
| | | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Split `flow_packets_processed' into `flow_src_packets_processed' and ↵lns2022-08-15
| | | | | | | | | `flow_dst_packets_processed'. * no use for `flow_avg_l4_payload_len' -> removed * test/run_tests.sh does not fail if git-worktree's are used Signed-off-by: lns <matzeton@googlemail.com>
* bump libnDPI to 8f6a006e36eef0ae386f7e663d3ebecfad6a2dc9Toni Uhlig2022-07-01
| | | | | | | * try to use same wording wherever possible e.g. renamed workflow->total_l4_data_len to workflow->total_l4_payload_len Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Added proper DLT_RAW dissection for IPv4 and IPv6.lns2022-04-24
| | | | | | | | | | * nDPId: Improved TCP timeout handling if FIN/RST seen which caused Midstream TCP flows when there shouldn't be any. * nDPIsrvd: Unified remote descriptor resource cleanup on disconnects/shutdown. * nDPIsrvd: Added additional error messages for remote descriptors. * py-flow-info: Better daemon status message printing. Signed-off-by: lns <matzeton@googlemail.com>
* nDPIsrvd.(h|py): Added socket read/recv timeout.lns2022-04-17
| | | | | | * nDPIsrvd.h: support for O_NONBLOCK nDPIsrvd_socket Signed-off-by: lns <matzeton@googlemail.com>
* Refactored buffer subsystem.lns2022-04-16
| | | | Signed-off-by: lns <matzeton@googlemail.com>
* Executing ./tests/run_tests.sh w/o zLib should not result in diff's anymore.Toni Uhlig2022-03-24
| | | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Reworked nDPIsrvd.h C-API.Toni Uhlig2022-03-21
| | | | | | | | | | | | * nDPIsrvd.h: Provide nDPId thread storage. * nDPIsrvd.py: Fixed instance cleanup bug. * nDPIsrvd.h: Support for instance/thread user data and cleanup callback. * nDPIsrvd.h: Most recent flow time stored in thread ht instead of instance ht. * nDPId: Moved flow logger out the memory profilier into SIGUSR1 signal handling. * nDPId: Added signal fd to be usable within epoll's event handling (live-capture only!) * nDPId: Added information about ZLib compressions to daemon status/shutdown events. Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Disconnect nDPIsrvd clients immediately instead waiting for a failed write().Toni Uhlig2022-03-13
| | | | | | | | | * nDPIsrvd: Collector/Distributor logging improved * nDPIsrvd: Command line option for max remote descriptors * nDPId: Stop spamming nDPIsrvd Collector with the same events over and over again * nDPId: Refactored some variable names and events Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Added nDPIsrvd TCP/IP support for distributors.Toni Uhlig2022-03-10
| | | | | | | | * nDPIsrvd: Improved distributor client disconnect detection * nDPIsrvd: Fixed invalid usage of epoll_add instead of epoll_mod * nPDIsrvd: Improved logging for distributor clients Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Added daemon event: DAEMON_EVENT_STATUS (periodically send's daemon statistics.)Toni Uhlig2022-03-06
| | | | | | | | | | * Improved distributor timeout handling (per-thread). * flow-info.py / flow-dash.py: Distinguish between flow risk severities. * nDPId: Skip tag switch datalink packet dissection / processing. * nDPId: Fixed incorrect value for current active flows. * Improved JSON schema's. Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Serialize flow risk score / confidence.Toni Uhlig2022-02-27
| | | | | | | * bump libnDPI to 8b062295cc76a60e3905c054ce37bd17669464d1 * removed ndpi_id_struct's Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Added logging interface used by nDPId, nDPIsrvd and nDPId-test.Toni Uhlig2022-02-03
| | | | | | | | | * fixed GitLab pipeline * nDPId: added static assert (just for a test) * nDPId: memory profiling for total bytes compressed * nDPId-test: enable zLib compression if configured with ENABLE_ZLIB Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Process additional layer 3 protocols.Toni Uhlig2022-01-31
| | | | | | | | | * bump libnDPI to c53c82d4823b5a8f856d1375155ac5112b68e8af * run_tests.sh: improved execution from non-git directories e.g. via `make dist` * updated JSON schema to be more restrictive * nDPId: splitted generic get_ip_from_sockaddr into IPv4/IPv6 to prevent compiler warnings on some platforms Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Improved Plotly/Dash example. It is now somehow informative.Toni Uhlig2022-01-25
| | | | | | | * TCP timeout after FIN/RST: switched back to the value from a35fc1d5ea8570609cc0c8cf6edadc81f8f5bb76 * py-flow-info: reset 'guessed' flag after detection/detection-update received Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Major nDPId extension. Sorry for the huge commit.Toni Uhlig2022-01-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | - nDPId: fixed invalid IP4/IP6 tuple compare - nDPIsrvd: fixed caching issue (finally) - added tiny c example (can be used to check flow manager sanity) - c-captured: use flow_last_seen timestamp from `struct nDPIsrvd_flow` - README.md update: added example JSON sequence - nDPId: added new flow event `update` necessary for correct timeout handling (and other future use-cases) - nDPIsrvd.h and nDPIsrvd.py: switched to an instance (consists of an alias/source tuple) based flow manager - every flow related event **must** now serialize `alias`, `source`, `flow_id`, `flow_last_seen` and `flow_idle_time` to make the timeout handling and verification process work correctly - nDPIsrvd.h: ability to profile any dynamic memory (de-)allocation - nDPIsrvd.py: removed PcapPacket class (unused) - py-flow-dashboard and py-flow-multiprocess: fixed race condition - py-flow-info: print statusbar with probably useful information - nDPId/nDPIsrvd.h: switched from packet-flow only timestamps (`pkt_*sec`) to a generic flow event timestamp `ts_msec` - nDPId-test: added additional checks - nDPId: increased ICMP flow timeout - nDPId: using event based i/o if capturing packets from a device - nDPIsrvd: fixed memory leak on shutdown if remote descriptors were still connected Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* MemoryProfiling: Advanced flow usage logging.Toni Uhlig2021-11-13
| | | | | | | | * nDPId-test: disable #include <syslog.h> if NO_MAIN macro defined * nDPId-test: mock syslog flags and functions * gitlab-ci: force -Werror Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* nDPId-test: Set max buffer size for remote descriptors useful to test ↵Toni Uhlig2021-11-04
| | | | | | caching/buffering. Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Github Actions integrationToni Uhlig2021-09-17
| | | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Fixed some typ0's and reduced ICMP timeout to 10s.Toni Uhlig2021-09-16
| | | | | | | * nDPId: Renamed some of the misleading terms, still TODO for nDPIsrvd * CMake improvments Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* nDPIsrvd: Fixed anther bug, introduced during refactoring -_-Toni Uhlig2021-09-15
| | | | | | nDPId-test: Collect information about JSON string length's. Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Improved nDPIsrvd buffer bloat handling using caching.Toni Uhlig2021-08-04
| | | | | | | * still allow blocking mode (with send timeout) * improved daemon start/stop test script Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* bump libnDPI to 6b7e5fa8d251f11c1bae16ea892a43a92b098480Toni Uhlig2021-08-03
| | | | | | | | * fixed linking issue by using CMake to check if explicit link against libm required * make nDPIsrvd collectd exit if parent pid changed, meaning that collectd died somehow * nDPId-test restores SIGPIPE to the default handler (termination), so abnormal connection drop's do now have consequences Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Build JSMN with support for parent links.Toni Uhlig2021-07-13
| | | | | | | * nDPIsrvd.h: iterate over subtokens * nDPIsrvd-captured: select/ unselect risky flows to capture Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Enable memory profiling for nDPId-test.Toni Uhlig2021-06-18
| | | | | | * print a summary Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Unified IO buffer mgmt.Toni Uhlig2021-06-07
| | | | | | | * c-collectd gives the user control over collectd-exec instance name * added missing collectd type `flow_l4_icmp_count` Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Fixed CMake global CFLAGS misuse which can cause xcompile errors.Toni Uhlig2021-05-19
| | | | | | | | | | nDPIsrvd-captured supports skipping flows w/o any layer 4 payload. * libndpi update * run_tests does not generate any *.out files for fuzz-*.pcap anymore and does not fail if nDPId-test exits with value 1 (most likely caused by a libpcap failure) Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* travis-ci build CMake projectToni Uhlig2021-04-15
| | | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* nDPId-test: mimic full nDPId lifecycleToni Uhlig2021-04-09
| | | | | | | * generate DAEMON_EVENT_INIT as well as DAEMON_EVENT_SHUTDOWN * process remaining flows before shutdown (and generate events) Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* nDPId-test: added JSON distribution + JSON parsing (Multithreaded design ↵Toni Uhlig2021-04-09
| | | | | | | | | | | | | | re-using most of nDPId/nDPIsrvd core) * improved Makefile.old install targets * splitted nDPIsrvd_parse into nDPIsrvd_parse_line and nDPIsrvd_parse_all for the sake of readability * minor Python script improvments (check for nDPIsrvd.py on multiple locations, may be superseeded by setuptools in the future) * some paths needs to be absolute (chdir() during daemonize) and therefor additional checks introduced * test run script checks and fails if certain files are are missing (PCAP file <=> result output file) * removed not very useful "internal format error" JSON serialization if a BUG for same exists * fixed invalid l4 type statistics counters for nDPIsrvd-collectd Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Reverted internal ndpi structs to dynamic memory allocation hoping that it ↵Toni Uhlig2021-03-26
| | | | | | | | | | will help to reduce the average memory consumption. How? After the detection finished, internal ndpi structs can be free'd as they are not needed anymore. * Set the amount of max. packets to process via subopt. Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Added nDPId-test as all-in-one JSON dumper.Toni Uhlig2021-03-24
* fixed invalid flow event schema type * added run_tests.sh to generate/diff JSON dumps * renamed lot's of vars/fns in nDPId.c/nDPIsrvd.c, so nDPId-test.c can include "*.c" * improved CMake dependency checks Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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