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Commit Graph

64 Commits (d465bb86863acd4c0cd534f0748c5a2ef1283241)

Author SHA1 Message Date
Victor Julien 26bcc97515 detect/keywords: dynamic version part of doc URL 6 years ago
Jeff Lucovsky d3a65fe156 detect: Provide `de_ctx` to free functions 
This commit makes sure that the `DetectEngineCtx *` is available
to each detector's "free" function.
 6 years ago
Shivani Bhardwaj 0e4f261224 Use StringParse* for all parsers and configurations 6 years ago
Jeff Lucovsky 7f6af10fed general: copyright bump 6 years ago
Jeff Lucovsky 4b0085b03c detect: Update to take advantage of PCRE refactor 
This commit changes the keyword detectors to use the refactored PCRE
modifications from detect-parse.[ch]
 6 years ago
Jeff Lucovsky be4c6b85de general: Convert _Bool to bool 
This commit addresses task 3167 and changes usages of '_Bool` to `bool`.
The latter is included from `suricata-common.h`
 6 years ago
Victor Julien f8aed4ce2d threading: change local packet queue logic 
Previously each 'TmSlot' had it's own packet queue that was passed
to the registered SlotFunc as an argument. This was used mostly for
tunnel packets by the decoders and by defrag.

This patch removes that in favor of a single queue in the ThreadVars:
decode_pq. This is the non-locked version of the queue as this is
only a temporary store for handling packets within a thread.

This patch removes the PacketQueue pointer argument from the API.
The new queue can be accessed directly through the ThreadVars
pointer.
 6 years ago
Shivani Bhardwaj d801c3e588 detect: Make keyword description consistent 
Closes redmine ticket #3137.
 6 years ago
Shivani Bhardwaj b5b429c288 detect: Add missing keyword URLs and description 
Add missing keyword URLs and their description. Fix the ones that
were incorrect.

Partially closes redmine ticket #2974.
 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 91296d1eec detect/prefilter: add de_ctx to registration 8 years ago
Victor Julien e087d93883 detect: reject dsize rules that can't match 
Rules can contain conflicting statements and lead to a unmatchable rule.

2 examples are rejected by this patch:

1. dsize < content
2. dsize < content@offset

Bug #2187
 8 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.
 9 years ago
Victor Julien 779d40cedf detect: remove hardcoded sm_list logic from setup 
Introduce utility functions to aid this.
 9 years ago
Victor Julien f370e88135 detect: move init only Signature members to init_data 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
Eric Leblond a2e2f50fb9 documentation: fix list keywords URLs 
Update URLs in keyword definition to point to sphinx documentation.
 9 years ago
Victor Julien fbb0490c31 detect-dsize: extra match support 9 years ago
Victor Julien 065d9bceae detect-dsize: enable prefilter support 
Enable prefilter support for the dsize keyword.
 9 years ago
maxtors 9d3fd82849 Removed duplicate include statements. 10 years ago
Victor Julien e67ae0f174 detect keywords: use parse regex util func 10 years ago
Jason Ish 796dd5223b tests: no longer necessary to provide successful return code 
1 pass, 0 is fail.
 10 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
Ken Steele 8f1d75039a Enforce function coding standard 
Functions should be defined as:

int foo(void)
{
}

Rather than:
int food(void) {
}

All functions where changed by a script to match this standard.
 11 years ago
Ken Steele f9705377ae Remove pkt variable from Packet structure. 
The uint8_t *pkt in the Packet structure always points to the memory
immediately following the Packet structure. It is better to simply
calculate that value every time than store the 8 byte pointer.
 12 years ago
Victor Julien 2be6829986 Convert dsize keyword parsing to use pcre_copy_substring 12 years ago
Eric Leblond c5bd04f102 unittest: recycle packet before exit 
To avoid an issue with flow validation, we need to recycle the packet
before cleaning the flow.
 12 years ago
Eric Leblond 6842545331 Add documentation url in list-keyword output. 
The output of the list-keyword is modified to include the url to
the keyword documentation when this is available. All documented
keywords should have their link set.

list-keyword can be used with an optional value:
 no option or short: display list of keywords
 csv: display a csv output on info an all keywords
 all: display a human readable output of keywords info
 $KWD: display the info about one keyword.
 13 years ago
Victor Julien 45cbef0735 For signatures with the dsize option set depth on any content match in that sig. 13 years ago
Eric Leblond e176be6fcc Use unlikely for error treatment. 
When handling error case on SCMallog, SCCalloc or SCStrdup
we are in an unlikely case. This patch adds the unlikely()
expression to indicate this to gcc.

This patch has been obtained via coccinelle. The transformation
is the following:

@istested@
identifier x;
statement S1;
identifier func =~ "(SCMalloc|SCStrdup|SCCalloc)";
@@

x = func(...)
... when != x
- if (x == NULL) S1
+ if (unlikely(x == NULL)) S1
 13 years ago
pi-rho 0df4c5838d spelling corrections documented in redmine bug#533 13 years ago
Victor Julien cdba2f50d1 Various fixes and improvements based on feedback by Coverity analyzer. 14 years ago
Anoop Saldanha a4638fb0ad code cleanup - replace SigMatchAppendPacket with SigMatchAppendSMToList 14 years ago
Anoop Saldanha bbb9f35f26 code cleanup - replace SigMatchGetLastSM with SigMatchGetLastSMFromLists 14 years ago
Anoop Saldanha 17f3f36d38 packet keywords only added for packet mpm. Rest in stream mpm. Update detection engine to handle the same 14 years ago
Anoop Saldanha e0c36f7aff fix dsize sigs handling. We can't use more than 2 dsizes in the same sig 14 years ago
Anoop Saldanha c7b9d3fecb Remove broken dsize_sm in SigMatch used by dsize in detection engine 14 years ago
Victor Julien df3ca322a4 Fixes for out of bounds pcre_get_substring calls no longer silently accepted by modern pcre. 15 years ago
Victor Julien addab7b5ee Don't test the several packet detection checks against pseudo packets as the matches would not be meaningful anyway. Prevents a segv in the csum detection. 15 years ago
Eric Leblond 1db4aadd16 Supress usage of Packet declaration in tests. 
For convenience, a massive usage of 'Packet p;' declaration has
been done in the tests function. Although this was completely
legal, this is not possible anymore because of the new Packet
allocation structure. This massive patch modifies all suricata
files to use a SCMalloc allocated pointer to Packet instead.

This patch has been done using coccinelle (http://coccinelle.lip6.fr)
which is a semantic patching tool. This ensures that things like call
to SCFree() should have not been forget because the semantic patch
explicitly forces the call to SCFree(p) before each return. With this
patch all unittests are running fine with a small and a big default
packet size.
 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 580b09c2b8 Make sure we inspect all outstanding reassembled stream chunks (smsg) if the stream is shutting down. Make sure to do inspect signatures that use dsize against the tcp packet payload, even if that payload was already added to the stream. Likewise, the dsize signatures are not inspected against the reassembled stream. 16 years ago
Gerardo Iglesias Galvan 9f4fae5b1a Fix inconsistent use of dynamic memory allocation 16 years ago
Gurvinder Singh 2db6756048 added unit test for the icmp dsize (bug 151) 16 years ago
Gurvinder Singh ad9ec4dbe9 fixed the payload_len for icmpv6 (bug 151) 16 years ago
William Metcalf ce01927515 Import of GPLv2 Header 050410 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