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Commit Graph

43 Commits (243060a6b75f84e563f2d5683af88c7a9d07529f)

Author SHA1 Message Date
Eric Leblond cd3e32ce19 unittests: some functions needs a flow lock. 
In debug validation mode, it is required to call application layer
parsing and other functions with a lock on flow. This patch updates
the code to do so.
 12 years ago
Anoop Saldanha d4d18e3136 Transaction engine redesigned. 
Improved accuracy, improved performance.  Performance improvement
noticeable with http heavy traffic and ruleset.

A lot of other cosmetic changes carried out as well.  Wrappers introduced
for a lot of app layer functions.

Failing dce unittests disabled.  Will be reintroduced in the updated dce
engine.

Cross transaction matching taken care of.  FPs emanating from these
matches have now disappeared.  Double inspection of transactions taken
care of as well.
 12 years ago
Victor Julien 40fcae3aa0 Minor unittest fixes to make Coverity happy. 14 years ago
Victor Julien 19a7e7f395 flow: create a flow lock macro API, implement it for mutex and rwlocks. Mutex remains the default. 14 years ago
Anoop Saldanha c9af50ea0c code cleanup - replace SigMatchAppendAppLayer with SigMatchAppendSMToList 14 years ago
Anoop Saldanha 420befb180 Changed my email address to anoopsaldanha at gmail dot com from my current one 14 years ago
Anoop Saldanha 9a6aef459e modify all relevant app layer API calls to accomodate passing parser local storage argument 14 years ago
Victor Julien 06904c9024 App Layer cleanup 
Removal of per flow 'aldata' array. It contained a ptr for each ALPROTO. Instead now we have 2 ptrs in the flow: alparser and alstate.
Various cleanups and dead code removal from the app layer API.
Should safe 100+ bytes memory per flow on 64 bit.
Updated lots of unittests to reflect these changes.
 14 years ago
Victor Julien 1d971b53a6 Update all unittests 15 years ago
Anoop Saldanha a7353be20d replace all Signature->amatch instances in the engine with Signature->sm_lists[DETECT_SM_LIST_AMATCH] 15 years ago
Anoop Saldanha 067e53403c add missing sig_app_layer flags for dce sigs 15 years ago
Victor Julien f1ea68e316 Store the first frag flag in the uuid as the pfc_flags field is overwritten. Part of fixing #206. 15 years ago
Victor Julien 4208bdf0f9 Fix unittest. 15 years ago
Victor Julien fc248ca7a1 Many small performance updates. 15 years ago
Anoop Saldanha fc37e9d6ee add internal ids to uuids. Use these internal ids to match uuids from bind and bind_ack. Create a new uuid list to hold all accepted uuids. Modifications to dce-iface to accomodate these changes as well + unittests 15 years ago
Victor Julien f081577fe4 Revert yesterday's dcerpc commits as there were to many corner cases for it to go into 1.0.1. 15 years ago
Anoop Saldanha 8c774a1e2a fix 206. Keep a count of uuids that don't belong to the first frag. Change dce_iface to match against uuids based on any_frag setting 15 years ago
Victor Julien 1071a53210 Fix unittests after ip_proto keyword change. 15 years ago
Victor Julien b8fec77f37 Fix tcp connections that are reset (RST packet) not always inspecting the reassembled stream. Update transaction id code to make sure both directions of a transaction are inspected before incrementing the inspect_id. 15 years ago
William Metcalf 0e4235cc94 FLOW_DESTROY added to clean-up UT's that init flow 15 years ago
Victor Julien 2f29b8a724 Improve detection of app layer, making sure we only handle app layer on 'established' packets. Should really fix #166. 15 years ago
Pablo Rincon 8cc525c939 UDP support at AppLayer message handling 15 years ago
William Metcalf cc76aa4bc6 properly init flows inside of unit-tests caused lock-up when falling back to using mutex locks 15 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.
 15 years ago
Gerardo Iglesias Galvan 9f4fae5b1a Fix inconsistent use of dynamic memory allocation 16 years ago
William Metcalf ce01927515 Import of GPLv2 Header 050410 16 years ago
Victor Julien 91ed463314 Improve dce-iface keyword unittests. 16 years ago
Gurvinder Singh 69a4fee757 fixed the API and logic error reported by clang tool 16 years ago
Anoop Saldanha e6af69e10e fix for bug 114 16 years ago
Victor Julien e6ba571c0b Rename structures that don't adhere to our naming conventions. 16 years ago
Victor Julien 297001c6d9 Only process a app layer sig if it has the proper state. Make sure a sig can't have conflicting sigmatches, such as ftpbouce and uricontent. 16 years ago
Victor Julien 8b30226914 Detection keyword cleanup 16 years ago
Victor Julien b259e362cd Convert uricontent to use new scanning methods as well. Move http_method and http_cookie keywords out of pmatch list for now. 16 years ago
Pablo Rincon 25a3a5c6d8 Adding mem wrapper to debug runtime alloc()/free() functions. Fixing some memory leaks. 16 years ago
Gerardo Iglesias Galvan ba6d807a6e Improve information about errors on signature failure 16 years ago
Pablo Rincon d0404d8447 Renaming errors with naming conventions 16 years ago
Pablo Rincon ad2c136e8f Renaming errors (naming conventions) 16 years ago
Victor Julien 6a53ab9c5a Stream engine memory handling update 
The stream engine memory handling needed updating as it didn't scale. Changes:

- pools can now be initialized to size 0, meaning unlimited
- stream engine uses a memcap setting. Sessions, segments and aldata is part
  of this, app layer state isn't.
- memory is accounted using a global int that is spinlocked.
- a counter for sessions that have not been picked up because of memcap was
  added.
- all reassembly errors are converted to debug msgs.
 16 years ago
Kirby Kuehl 008de4321b refactor dcerpc in prep for dcerpc over smb 16 years ago
Kirby Kuehl f15ca04889 fix padding calculation and stubdata parser for dcerpc 16 years ago
root 5113636744 bind and bind_ack tracking 16 years ago
Victor Julien 18aa59b391 Fix compilation and a small memory error. 16 years ago
Anoop Saldanha f684989f98 dce_iface, dce_opnum, dce_stub_data keyword support 16 years ago