Read and parse configuration files. Fixes#41.
* supports nDPId / nDPIsrvd via command line parameter `-f`
* nDPId: read general/tuning and libnDPI settings
* support for settings risk domains libnDPI option via config file or via `-R` (Fixes#45, thanks to @UnveilTech)
* added some documentation in the config file
* adjusted Systemd and Debian packaging to make use of config files
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* nDPId/nDPIsrvd/c-examples: Parameter parsing needs to be improved
if `strdup()` in combination with static strings is used.
* Other non-critical fixes.
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Still not perfect, but the code before was not even able to deal with JSON arrays.
Use common "speaking" function names for all functions in nDPIsrvd.h
* Provide a more or less generic and easy extendable JSON walk function.
* Modified C examples to align with the changed C API.
* c-collectd: Reduced lot's of code duplication by providing mapping tables.
* nDPId: IAT array requires one slot less (first packet has always an IAT of 0).
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* 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>
* 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>
- 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>
* nDPIsrvd services usually do not care about layer4 data length,
payload length is quite more essential for further processing
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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>
* 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>
* Make use of flow id / alias / source which is required for future use cases where multiple nDPId instances (same / different machines) feed one nDPIsrvd.
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Simplified Python interface as well.
* c-captured and flow-undetected-to-pcap.py produce similiar results
* Removed overloaded nDPIsrvd.py event structures.
* flow-info.py prints (with a color-hash) additional information e.g. alias/source and midstream
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* nDPIsrvd.h does flow mgmt out of the box
* dissect received JSON strings via callback
* added new JSON key/values for packet-flows (usecTimestamp/L3/L4 info)
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Making Compare&Fetch mandatory.
* Added some more Compare&Fetch to prevent TSAN complaining about data races.
Fixed possible but more ore less harmless data races during shutdown process.
* Shrink SIGNAL handler to a minimum. SYSV Signal handling and MT-safety is awkward.
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
