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Commit Graph

73 Commits (07df1ce6afffb35c0acd25b3b787ce04643306b1)

Author SHA1 Message Date
Danny Browning b573c16dd5 build: cbindgen 
Rust headers are now generated using cbindgen. If cbindgen is present, they can
be generated during dist, otherwise they will be available for builds.
 6 years ago
Travis Green 4612d4b50a detect: syntax regex logic update 
Updated regex logic to include more spaces. Fixed spelling.
 6 years ago
Victor Julien 14896365ef detect: remove Threadvars argument from API calls 
Remove it as it's (almost) never used. If it is really needed it can
be accessed through DetectEngineThreadCtx::tv as well.
 6 years ago
Victor Julien 3299f007f8 detect/dcerpc: add dcerpc.iface 
Keep dce_iface as an alias.
 6 years ago
Victor Julien e572324c5a detect/dcerpc: cleanup now Rust is mandatory 6 years ago
Victor Julien f30c05e684 smb: remove C implementation 
Now that Rust is mandatory it is obsolete.

Ticket: #2849
 6 years ago
Victor Julien c4b56ca289 dcerpc: fix dce_iface not matching 7 years ago
Victor Julien 329e029525 detect/dce: keyword cleanups 7 years ago
Victor Julien 75d7c9d64a rust/smb: initial support 
Implement SMB app-layer parser for SMB1/2/3. Features:
- file extraction
- eve logging
- existing dce keyword support
- smb_share/smb_named_pipe keyword support (stickybuffers)
- auth meta data extraction (ntlmssp, kerberos5)
 7 years ago
Victor Julien ab1200fbd7 compiler: more strict compiler warnings 
Set flags by default:

    -Wmissing-prototypes
    -Wmissing-declarations
    -Wstrict-prototypes
    -Wwrite-strings
    -Wcast-align
    -Wbad-function-cast
    -Wformat-security
    -Wno-format-nonliteral
    -Wmissing-format-attribute
    -funsigned-char

Fix minor compiler warnings for these new flags on gcc and clang.
 8 years ago
Victor Julien d304be5bc3 detect: register progress in inspect engines 
Register required progress so we can stop inspecting as soon
as the progress isn't far enough yet.
 8 years ago
Victor Julien cc4010343d detect: add and use util func for alproto sets 9 years ago
Victor Julien dfac5276b8 detect: remove unused SIGMATCH_PAYLOAD flag 9 years ago
Victor Julien f018ae94b0 dce: dynamic lists 9 years ago
Victor Julien d318bfc934 dcerpc: simplify common detect code 9 years ago
Victor Julien 8edc954e82 detect: get rid of Signature::sm_lists 
Instead use the lists in init_data during setup and the SigMatchData
arrays during runtime.
 9 years ago
Victor Julien 39613778cd detect: make setup/free/match funcs static where possible 9 years ago
Victor Julien bfd4bc8233 detect: constify Signature/SigMatch use at runtime 9 years ago
Giuseppe Longo 675fa56497 app-layer: add ThreadVars to AppLayerParserParse 
To be able to add a transaction counter we will need a ThreadVars
in the AppLayerParserParse function.
This function is massively used in unittests
and this result in an long commit.
 9 years ago
Victor Julien 6530c3d0d8 unittests: replace SCMutex* calls by FLOWLOCK_* 9 years ago
Victor Julien 9030e89c94 detect: don't set alproto while registering keyword 
The field is not used except for some printing, and is wrong for
many keywords.
 9 years ago
Eric Leblond ed90a16e89 detect: fix setup for some keywords 
Fix problems found by siginit.cocci.
 9 years ago
Victor Julien e67ae0f174 detect keywords: use parse regex util func 9 years ago
Jason Ish 796dd5223b tests: no longer necessary to provide successful return code 
1 pass, 0 is fail.
 9 years ago
Victor Julien 5b6f8bda1d detect: fix small memory leaks 
Fix small memory leaks in option parsing. Move away from
pcre_get_substring in favor of pcre_copy_substring.

Related to #1046.
 11 years ago
Ken Steele 923a77e952 Change Match() function to take const SigMatchCtx* 
The Match functions don't need a pointer to the SigMatch object, just the
context pointer contained inside, so pass the Context to the Match function
rather than the SigMatch object. This allows for further optimization.

Change SigMatch->ctx to have type SigMatchCtx* rather than void* for better
type checking. This requires adding type casts when using or assigning it.

The SigMatch contex should not be changed by the Match() funciton, so pass it
as a const SigMatchCtx*.
 11 years ago
Victor Julien 6e0112d737 detect: modify AMATCH locking 
This is an intrusive change. This patch modifies the way AMATCH
inspection uses locking.

So far, each keyword did it's own locking. This lead to a situation
where a 'alstate' pointer was passed around that was not always
protected by a lock.

This patch moves the locking to the Stateful detection functions.
 11 years ago
Victor Julien 8dbf7a0d78 Update tests to use AppLayerParserThreadCtx ptr instead of void. Fix a few bugs uncovered by this. 12 years ago
Victor Julien fdefb65be4 app-layer: rename AppLayerThreadCtx funcs 
AppLayerParserGetCtxThread -> AppLayerParserThreadCtxAlloc
AppLayerParserDestroyCtxThread -> AppLayerParserThreadCtxFree
 12 years ago
Anoop Saldanha 429c6388f6 App layer API rewritten. The main files in question are: 
app-layer.[ch], app-layer-detect-proto.[ch] and app-layer-parser.[ch].

Things addressed in this commit:
- Brings out a proper separation between protocol detection phase and the
  parser phase.
- The dns app layer now is registered such that we don't use "dnstcp" and
  "dnsudp" in the rules.  A user who previously wrote a rule like this -

  "alert dnstcp....." or
  "alert dnsudp....."

  would now have to use,

  alert dns (ipproto:tcp;) or
  alert udp (app-layer-protocol:dns;) or
  alert ip (ipproto:udp; app-layer-protocol:dns;)

  The same rules extend to other another such protocol, dcerpc.
- The app layer parser api now takes in the ipproto while registering
  callbacks.
- The app inspection/detection engine also takes an ipproto.
- All app layer parser functions now take direction as STREAM_TOSERVER or
  STREAM_TOCLIENT, as opposed to 0 or 1, which was taken by some of the
  functions.
- FlowInitialize() and FlowRecycle() now resets proto to 0.  This is
  needed by unittests, which would try to clean the flow, and that would
  call the api, AppLayerParserCleanupParserState(), which would try to
  clean the app state, but the app layer now needs an ipproto to figure
  out which api to internally call to clean the state, and if the ipproto
  is 0, it would return without trying to clean the state.
- A lot of unittests are now updated where if they are using a flow and
  they need to use the app layer, we would set a flow ipproto.
- The "app-layer" section in the yaml conf has also been updated as well.
 12 years ago
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. 13 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