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Commit Graph

53 Commits (262a7300d701c44dba13bb2aaa2b14bed3485383)

Author SHA1 Message Date
Victor Julien 262a7300d7 flow: shrink Flow datatype 
Introduce a separate FlowAddress structure for holding the ipv4 or ipv6 address
that doesn't have the family in it like the Address structure. Instead, the
family is stored in the flow as a flag: FLOW_IPV4 and FLOW_IPV6.

Add macro's to check the family, copy the address, etc.

Update many unittests to reflect these changes. Introduce unittest helper
functions for creating and initializing a flow and freeing it again.

On 64 bit this shrinks the flow with 8 bytes.
 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
Eric Leblond 60a99915c1 doc: create http support group 
This patch create an httplayer group and adds related files to
it. It also fixes some typo in documentation string and format.
 14 years ago
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
Victor Julien 1d971b53a6 Update all unittests 15 years ago
Victor Julien 24f071cabb Make sure http_cookie inspects all HTTP transactions. Clean up error messages. Get rid of unused code and dead comments. 15 years ago
Anoop Saldanha c9897a44a4 fast pattern support for http_cookie. Also support relative modifiers 15 years ago
Anoop Saldanha bbbedaf963 fast pattern support for http_method. Also support relative modifiers 15 years ago
Anoop Saldanha 1957eee389 unifying content structure - http_method now uses DetectContentData 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 e54358a9e1 replace all Signature->pmatch instances in the engine with Signature->sm_lists[DETECT_SM_LIST_PMATCH] 15 years ago
Victor Julien 1636152e32 Fix negated http_method not working properly, causing false positives. 15 years ago
Gurvinder Singh b7da115e6d support for http_stat_code keyword has been added to detection module 15 years ago
Victor Julien f2e6ec7374 Fix http_method not inspecting all http transactions all the time. Fix proper nocase setting. Switch to pattern scanning only, no more numeric compares as it turned to be incompatible with how the keyword is used (nocase, etc). 15 years ago
Anoop Saldanha 0c5b82d891 provide separate ids for content, uricontent, http_(client_body_data|cookie|header|method|uri), when they share the same pattern 15 years ago
Victor Julien fc248ca7a1 Many small performance updates. 15 years ago
Victor Julien fc1687d875 Make sure the DetectHttpMethodData structure is properly initialized before using it. 15 years ago
William Metcalf 7b13ba9f9e Fixed broken nocase for http_method and http_header 15 years ago
Pablo Rincon 8f3322ef73 Fix segv condition on DetectHttpMethodMatch (if the applayer unset the connp) 15 years ago
Victor Julien 1071a53210 Fix unittests after ip_proto keyword change. 15 years ago
Pablo Rincon e7b537cec3 Fixing unittests for fast_pattern options compatibility 15 years ago
Pablo Rincon cc8068be0a Print also the Signature raw string 15 years ago
Pablo Rincon 742f066fa2 Updating the http modifers that cannot be loaded with fast_pattern 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
William Metcalf a42fff541f fix for potential NULL deref on error in detect-http-method.c 15 years ago
Gurvinder Singh cda664a8c4 memroy leaks fixes in detection module, app layer and counters 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 15 years ago
William Metcalf ce01927515 Import of GPLv2 Header 050410 15 years ago
Victor Julien 78e15ea7fa Explicitly test for ipv6 in the htp personalities code. Update all affected unittests to set addr family to the flow. 15 years ago
Pablo Rincon c7350a8ac6 Fixing some naming convention issues and incorrect error messages 15 years ago
Victor Julien 057031acce Don't inspect more methods than necessary. 15 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 ec47f840f3 Remove more scan references. 16 years ago
Victor Julien 7a8cd61fdf Cleanups. 16 years ago
Victor Julien dd846c9b0e Remove all search code from the pattern matchers, cleanup mpm api, remove unused http code, more cleanups. 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
Victor Julien bef70a04ce First stage of detect engine redesign: equal patterns share id's, search phase no longer used, new match verification phase. 16 years ago
Pablo Rincon 25a3a5c6d8 Adding mem wrapper to debug runtime alloc()/free() functions. Fixing some memory leaks. 16 years ago
Victor Julien 045eaec95b Fix file permissions. 16 years ago
Victor Julien dc11247511 Change the way we replace contents by http_method and http_cookie, fixing #90. 16 years ago
Gurvinder Singh 50f7d0a887 app layer htp logging and better htp request handling. removed recent_in_tx. 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
Gurvinder Singh 356a8bf385 applayer uri match and modified http handling 16 years ago
Victor Julien c352bff6fb Remove unused conditional locking code from the app layer parsing code. 16 years ago