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88 Commits (1adf4b868c573618784109003c0976da4d395133)

Author SHA1 Message Date
Anoop Saldanha ed3b44b3b5 fix parsing content keywords. We are more strict now. All content keywords need to be enclosed in double quotes. Better validation for sid, priority and rev keywords 14 years ago
Anoop Saldanha d68775d47d introduce bitmasks instead of alproto_masks for use by the probing parser. Remove all alproto_masks we had previouslys for PP 14 years ago
Anoop Saldanha d3989e7cee probing parser updated to always accept u32 buflens. Update all probing parser functions to accomodate this change 14 years ago
Anoop Saldanha 80d80000bb fix probing parser flag usage during protocol detection 14 years ago
Anoop Saldanha 432c3317d2 app layer probing parser updates 14 years ago
Anoop Saldanha d68f182ebd introduce SCPerfSyncCounters/SCPerfSyncCounters macro to synchronize counters 14 years ago
Victor Julien 820b0ded82 Add per packet profiling. 
Per packet profiling uses tick based accounting. It has 2 outputs, a summary
and a csv file that contains per packet stats.

Stats per packet include:
 1) total ticks spent
 2) ticks spent per individual thread module
 3) "threading overhead" which is simply calculated by subtracting (2) of (1).

A number of changes were made to integrate the new code in a clean way:
a number of generic enums are now placed in tm-threads-common.h so we can
include them from any part of the engine.

Code depends on --enable-profiling just like the rule profiling code.

New yaml parameters:

profiling:
  # packet profiling
  packets:

    # Profiling can be disabled here, but it will still have a
    # performance impact if compiled in.
    enabled: yes
    filename: packet_stats.log
    append: yes

    # per packet csv output
    csv:

      # Output can be disabled here, but it will still have a
      # performance impact if compiled in.
      enabled: no
      filename: packet_stats.csv

Example output of summary stats:

IP ver   Proto   cnt        min      max          avg
------   -----   ------     ------   ----------   -------
 IPv4       6     19436      11448      5404365     32993
 IPv4     256         4      11511        49968     30575

Per Thread module stats:

Thread Module              IP ver   Proto   cnt        min      max          avg
------------------------   ------   -----   ------     ------   ----------   -------
TMM_DECODEPCAPFILE          IPv4       6     19434       1242        47889      1770
TMM_DETECT                  IPv4       6     19436       1107       137241      1504
TMM_ALERTFASTLOG            IPv4       6     19436         90         1323       155
TMM_ALERTUNIFIED2ALERT      IPv4       6     19436        108         1359       138
TMM_ALERTDEBUGLOG           IPv4       6     19436         90         1134       154
TMM_LOGHTTPLOG              IPv4       6     19436        414      5392089      7944
TMM_STREAMTCP               IPv4       6     19434        828      1299159     19438

The proto 256 is a counter for handling of pseudo/tunnel packets.

Example output of csv:

pcap_cnt,ipver,ipproto,total,TMM_DECODENFQ,TMM_VERDICTNFQ,TMM_RECEIVENFQ,TMM_RECEIVEPCAP,TMM_RECEIVEPCAPFILE,TMM_DECODEPCAP,TMM_DECODEPCAPFILE,TMM_RECEIVEPFRING,TMM_DECODEPFRING,TMM_DETECT,TMM_ALERTFASTLOG,TMM_ALERTFASTLOG4,TMM_ALERTFASTLOG6,TMM_ALERTUNIFIEDLOG,TMM_ALERTUNIFIEDALERT,TMM_ALERTUNIFIED2ALERT,TMM_ALERTPRELUDE,TMM_ALERTDEBUGLOG,TMM_ALERTSYSLOG,TMM_LOGDROPLOG,TMM_ALERTSYSLOG4,TMM_ALERTSYSLOG6,TMM_RESPONDREJECT,TMM_LOGHTTPLOG,TMM_LOGHTTPLOG4,TMM_LOGHTTPLOG6,TMM_PCAPLOG,TMM_STREAMTCP,TMM_DECODEIPFW,TMM_VERDICTIPFW,TMM_RECEIVEIPFW,TMM_RECEIVEERFFILE,TMM_DECODEERFFILE,TMM_RECEIVEERFDAG,TMM_DECODEERFDAG,threading
1,4,6,172008,0,0,0,0,0,0,47889,0,0,48582,1323,0,0,0,0,1359,0,1134,0,0,0,0,0,8028,0,0,0,49356,0,0,0,0,0,0,0,14337

First line of the file contains labels.

2 example gnuplot scripts added to plot the data.
 14 years ago
Anoop Saldanha 6e0d98d9c4 fix valgrind issue for SMB test. Small restructuring. probing_parsers global variable now part of AlpProtoDetectCtx 15 years ago
Anoop Saldanha a40fdc794e Added probing parser for nbss/smb on port 139 15 years ago
Anoop Saldanha 7c31a2327e Add support for port based probing parsers for alproto detection 15 years ago
Anoop Saldanha 0c94d910e4 Removed FLOW_AL_STREAM_TOSERVER and FLOW_AL_STREAM_TOCLIENT. Use STREAM_TOSERVER and STREAM_TOCLIENT instead 15 years ago
Anoop Saldanha 000ce98cd1 push all proto detection code into their respective app parser register functions for every alproto 15 years ago
Victor Julien 936b34ddf6 Remove minimum init chunk length code, set a default limit of 2560 to the minimum chunk size, allow toclient raw reassembly to start even if toserver hasn't started yet. 15 years ago
Anoop Saldanha cacf0a9017 disabled sslv23 proto detection which we enabled previously. Although this is right, need to test a couple of things 15 years ago
Anoop Saldanha 8c6d4531ee sslv23 support with ssl2 record format with version set to 3.0 15 years ago
Gurvinder Singh 8f8b1212af support for ssl_version keyword 15 years ago
Eric Leblond 66a15e2d6d Fix some Packet initialisation. 
This patch fixes Packet initialisation. In some place the pkt field
was not set after a memset used to zero the structure and this could
lead to some problems.
 15 years ago
Victor Julien 1d971b53a6 Update all unittests 15 years ago
Eric Leblond dd038c1906 Modify files to avoid direct pckt payload access 
This patch implements the needed modification of payload access
in a Packet structure to support the abstraction introduced by
the extended data system.
 15 years ago
Victor Julien fc248ca7a1 Many small performance updates. 15 years ago
Pablo Rincon 76af1b049b Make malloc errors on initialization stage a fatal error, resulting on a exit() call 15 years ago
Victor Julien 1d73e1fb7e Small update to the ssh module: fix a valgrind warning and a couple of compiler warnings. Do a few small style updates. 15 years ago
Pablo Rincon 9d7baa7a9f Adding ssh app layer module with two new keywords: ssh.protoversion and ssh.softwareversion 15 years ago
Victor Julien 1071a53210 Fix unittests after ip_proto keyword change. 16 years ago
Victor Julien 13045683ff Reenable and fix AlpDetectTestSig5 16 years ago
Pablo Rincon c6e090f72c App layer proto specific sigs (use the app layer to match proto) 16 years ago
Kirby Kuehl c3b9305259 dcerpc udp support 16 years ago
Victor Julien dce323b1f4 Fix SCondWait -> SCCondWait typo. 16 years ago
Victor Julien ba12f3c109 Applayer to flow fixes and cleanups. 16 years ago
Pablo Rincon 8cc525c939 UDP support at AppLayer message handling 16 years ago
Victor Julien 6c6e6321fc Fix HTTP HEAD detection code. 16 years ago
Gurvinder Singh cda664a8c4 memroy leaks fixes in detection module, app layer and counters 16 years ago
Gurvinder Singh 5fe1dc1d24 support for sslv2/sslv3 their unit tests and better stream no reassembly flag handling 16 years ago
Victor Julien 70b32f7380 First stab at creating a stateful detection engine. 
Stateful detection for app layer detection keywords, except uricontent. Stores it's partial results in the flow structure. Other modifications:

- Generalize transaction tracking, logging and inspection.
- Adapt http and dcerpc to use the new transaction handling.
- Stream engine now always notifies app layer of a stream eof.

This commit fixes bug #124.
 16 years ago
Victor Julien 7a427ec7f4 Switch to pattern id based results checking in the mpm. Move app layer proto detection towards a more signature based approach. 16 years ago
William Metcalf ce01927515 Import of GPLv2 Header 050410 16 years ago
Victor Julien e0c2c86342 Make HTTP proto detection more reliable. Add HEAD keyword. Thanks rmkml for the report/request. 16 years ago
Gurvinder Singh 8e444f1772 stream and application layer improvements 16 years ago
Victor Julien cb8aaa5968 Make sure we only run the app layer proto detection (successfully) once per flow. Solves an issue found by the fuzzer where both flow directions were detected as different protos, messing up the app layer parser. 16 years ago
Victor Julien ec47f840f3 Remove more scan references. 16 years ago
Victor Julien 1e01fd613c Remove all references to the scan phase from the pattern matchers and it's api. 16 years ago
Pablo Rincon 25a3a5c6d8 Adding mem wrapper to debug runtime alloc()/free() functions. Fixing some memory leaks. 16 years ago
Anoop Saldanha c26e92733d handle the cuda cleanup at shutdown. should get rid of any errors from the call to SigGroupCleanup 16 years ago
Victor Julien d281a6b8ac CUDA build system support & compile fixes 
- add configure support for CUDA
- make sure all code compiles if CUDA is disabled
- fix compiler warnings
 16 years ago
Anoop Saldanha 41e6735b92 mpm b2g cuda support added 16 years ago
Gurvinder Singh 999a200bc9 pattern matcher options support 16 years ago
Victor Julien ed7762e843 Disable unused jabber proto detection as it made the proto detection code look way more into the stream than without it. 16 years ago
Gurvinder Singh ed99e73622 bug 78 16 years ago
Victor Julien 7deb4e9f09 Cleanup AppLayerDetectGetProto a bit. 16 years ago
Victor Julien fd409049cb First step for proper HTTP CONNECT handling. 16 years ago