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Commit Graph

114 Commits (efbf627dbd0081ef10f915d20d75b2c1299272cb)

Author SHA1 Message Date
Victor Julien 101452056d detect/bytejump: don't reuse content flag 
To avoid future problems with overlapping flag values, give bytejump
its own DETECT_BYTEJUMP_OFFSET_VAR flag.

The values are currently not overlapping, so this patch should have
no side effects.
 3 years ago
Victor Julien 83c4de4cee detect/bytejump: fix debug messages 
Remove newlines.
 3 years ago
Philippe Antoine c272a646c5 detect: SigMatchAppendSMToList can fail 
Ticket: #6104

And failures should be handled to say that the rule failed to load

Reverts the fix by 299ee6ed55
that was simple, but not complete (memory leak),
to have this bigger API change which simplifies code.
 3 years ago
Daniel Olatunji d4e4bdac90 detect/bytejump: convert unittests to FAIL/PASS 
Issue: #6328
 3 years ago
Jeff Lucovsky f363b99fd7 detect/bytejump: Improve end-of-buffer handling 
Issue: 4623

This commit addresses the issues reported in issue 4623 when the jump
value points at the last byte in the buffer.
 3 years ago
Jeff Lucovsky ffd769d178 detect/bytejump: Remove unused "Match" function 
Issue: 4623

DetectBytejumpMatch is no longer used -- it's counterpart --
DetectByteJumpDoMatch is and will remain.
 3 years ago
Jeff Lucovsky 2bf9d0fdf9 detect/bytejump: Improve negative post_offset handling. 
Issue: 4624

Handle negative post_offset values that jump before the buffer as though
they refer to the buffer start.
 3 years ago
Jeff Lucovsky 27a665546b detect/bytejump: Change DoMatch signature to return bool 
Issue: 4624

Change the function signature of byte-jump's domatch from an int to a
bool to avoid ambiguity handling return values.
 3 years ago
Jeff Lucovsky 3286c3b912 detect/pcre: Use local match variables 
pcre2 is not thread-safe wrt match objects so use locally scoped
objects.

Issue: 4797
 3 years ago
Jeff Lucovsky 3f118188e9 detect/bytejump: Allow nbytes to be a variable 
Issue: 6105

This commit adds the ability for nbytes to be a variable when used with
the byte_jump keyword.
 3 years ago
Victor Julien 454d13837e detect/byte_jump: use list util in tests; cleanups 3 years ago
Victor Julien 7ac623e0c5 detect/bytemath: fix newline in debug message 3 years ago
Victor Julien b31ffde6f4 output: remove error codes from output 4 years ago
Victor Julien 39f5c7f56a error: use SC_EINVAL for invalid input 4 years ago
Victor Julien e250ef6402 debug: remove empty header 4 years ago
Philippe Antoine 02f2602dde src: rework includes as per cppclean 4 years ago
Philippe Antoine c5cf2967b3 detect: fix integer warnings 
Ticket: #4516
 4 years ago
Philippe Antoine a6a6f6d538 bytejump: fix ubsan warning 
Instead of checking the offset, we checked the pointer after
adding the offset ot it...
 5 years ago
Philippe Antoine 3de99a214c pcre2: migrate keywords parsing 5 years ago
Victor Julien 6ab323d323 detect: hide RegisterTests behind ifdef UNITTESTS 
Update all callers to more aggressively use UNITTESTS guards as well.
 6 years ago
Jeff Lucovsky fb409664d2 detect: byte_math support 6 years ago
Jeff Lucovsky 39105917ce detect/bsize: Use SCLogDebug instead of printf 
This commit updates debug "printf" message to use SCLogDebug
 6 years ago
Jeff Lucovsky 620659b5f3 detect: Increase flag size for byte_jump 6 years ago
Jeff Lucovsky 23a65b5824 general: Fix typo in detect-bytejump.c 6 years ago
Jeff Lucovsky 0701d82890 detect/bytejump: Add "from_end" support 
This commit adds support for the byte jump "from_end" keyword and
unittests.
 6 years ago
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 7 years ago
Jeff Lucovsky 7f6af10fed general: copyright bump 7 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]
 7 years ago
Shivani Bhardwaj d801c3e588 detect: Make keyword description consistent 
Closes redmine ticket #3137.
 7 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.
 7 years ago
Victor Julien 579cc9f02b const: constify decoder, app-layer, detect funcs 7 years ago
Shivani Bhardwaj 85b56b633e detect: Improve rule keyword alproto registration 
1. Set WARN_UNUSED macro on DetectSignatureSetAppProto.
2. Replace all direct 'sets' of Signature::alproto from keyword registration.

Closes redmine ticket #3006.
 7 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.
 7 years ago
Philippe Antoine a370d2a91d signature: fix memory leak in DetectBytejumpSetup 7 years ago
Victor Julien a496c8be0c detect/bytejump: suppress runtime error messages 8 years ago
Victor Julien 313661451d content inspection: support transforms 
Make sure content is applied to the transformed version of a buffer.

Support content with its modifiers, and also isdataat, pcre, bytetest
and bytejump.
 9 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.
 10 years ago
Victor Julien 3626ecb474 bytejump: don't print errors when matching 
When bytejump was told to convert some payload data to int from a
string it would print an error to the screen if the conversion
failed. This is unwanted as the payload is controlled by an attacker
and printing is expensive.
 10 years ago
Victor Julien cc4010343d detect: add and use util func for alproto sets 10 years ago
Victor Julien dfac5276b8 detect: remove unused SIGMATCH_PAYLOAD flag 10 years ago
Victor Julien fe415ae518 detect: remove DMATCH list 10 years ago
Victor Julien 6bd37611ee file_data: dynamic buffer 10 years ago
Victor Julien 779d40cedf detect: remove hardcoded sm_list logic from setup 
Introduce utility functions to aid this.
 10 years ago
Victor Julien f370e88135 detect: move init only Signature members to init_data 10 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.
 10 years ago
Victor Julien 39613778cd detect: make setup/free/match funcs static where possible 10 years ago
Victor Julien bfd4bc8233 detect: constify Signature/SigMatch use at runtime 10 years ago
Victor Julien e67ae0f174 detect keywords: use parse regex util func 11 years ago