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Commit Graph

117 Commits (10150e95ad0c6aa9e5af6f39f709e87b3b3b0ba9)

Author SHA1 Message Date
Jeff Lucovsky cd4e728b77 detect: Ensure byte* variable usages is for same buffers 
Issue: 7549

Use the active buffer list to fetch SM variables to ensure that they are
part of the same list so a variable created with bytemath or byteextract
will have context when used with bytejump, e.g

Not needed for content modifiers.
 2 months ago
Victor Julien a66890d60f detect/distance: reduce use of sm_list macro 2 years ago
Jeff Lucovsky f57c11df3f content: Constrain distance/within values 
Ticket: 5740

This commit constrains the values for distance and limit to 1MB. The
constraint is enforced while parsing the keyword values.
 2 years ago
Victor Julien 8831ae9be7 detect/distance: minor code cleanups 2 years ago
Victor Julien b31ffde6f4 output: remove error codes from output 3 years ago
Haleema Khan f25d4cc546 detect-distance: Convert unittests to new FAIL/PASS API 
Ticket : #4020
 3 years ago
Victor Julien 6ab323d323 detect: hide RegisterTests behind ifdef UNITTESTS 
Update all callers to more aggressively use UNITTESTS guards as well.
 5 years ago
Jeff Lucovsky fb409664d2 detect: byte_math support 5 years ago
Victor Julien 26bcc97515 detect/keywords: dynamic version part of doc URL 5 years ago
Shivani Bhardwaj 0e4f261224 Use StringParse* for all parsers and configurations 5 years ago
Victor Julien 59d526481c detect/distance: improve value parsing and fix broken test 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 7eda6beade detect: don't rescan when just distance is used 
Content inspection optimization: when just distance is used without
within we don't need to search recursively.

E.g. content:"a"; content:"b"; distance:1; will scan the buffer for
'a' and when it finds 'a' it will scan the remainder for 'b'. Until
now, the failure to find 'b' would lead to looking for the next 'a'
and then for 'b' after that. However, we already inspected the
entire buffer for 'b', so we know this will fail.
 8 years ago
Victor Julien dfac5276b8 detect: remove unused SIGMATCH_PAYLOAD flag 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 34b030b45f distance: fix -Wshadow warning 9 years ago
Eric Leblond a2e2f50fb9 documentation: fix list keywords URLs 
Update URLs in keyword definition to point to sphinx documentation.
 9 years ago
maxtors 9d3fd82849 Removed duplicate include statements. 9 years ago
Jason Ish 796dd5223b tests: no longer necessary to provide successful return code 
1 pass, 0 is fail.
 10 years ago
Victor Julien 4f8e1f59a6 mpm: remove obsolete mpm algos 
Remove: ac-gfbs, wumanber, b2g, b3g.
 10 years ago
Andreas Herz 27f6620874 rule-parsing: quick fix for rules with wrong double quotes 
The stripping of leading and trailing "s has issues with rules like the
ones described in issue 1638 thus resulted in crashing the rule parser.
So for now this is a quick fix which approaches this issue directly by
stripping those "s correctly and handling error cases. It also adds the
skip for leading spaces at the msg keyword and worksaround a possible
null pointer dereference (that should never occur though).
A more general approach should be done in the future.
 10 years ago
Giuseppe Longo 41a1a9f4af find and replace HSBDMATCH by FILEDATA 
This commit do a find and replace of the following:

- DETECT_SM_LIST_HSBDMATCH by DETECT_SM_LIST_FILEDATA
  sed -i 's/DETECT_SM_LIST_HSBDMATCH/DETECT_SM_LIST_FILEDATA/g' src/*

- HSBD by FILEDATA:
  sed -i 's/HSBDMATCH/FILEDATA/g' src/*
 10 years ago
Jason Ish a18e2ef402 Bug 1230: Check all SigMatch lists for a named byte_extract variable. 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
Victor Julien 7292998a58 Content: set up sticky buffers like file_data and dce_stub_data w/o flags, but with a list variable 12 years ago
Anoop Saldanha 0b5d277254 code cleanup for all content based keywords. 13 years ago
Anoop Saldanha 51dcf19817 turn dce_stub_data into a sticky buffer. 13 years ago
Anoop Saldanha 3511f91bba Add support for the new keyword - http_raw_host header. 
The corresponding pcre modifier would be 'Z'.
 13 years ago
Anoop Saldanha c4ce19a1be Add support for a new keyword to inspect http_host header. 
The corresponding content keyword would now be - http_host.
The corresponding pcre modifier would be W.
 13 years ago
Last G 8ae11f73b2 Added parentheses to fix Eclipse static code analysis 
Fixed bug in action priority (REJECT_DST had lowest prio)
 13 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 84bad6db77 Silence compiler warnings found by clang 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
Anoop Saldanha 988c92f71c http user agent keyword + mpm + inspection + fast pattern support added 13 years ago
Victor Julien da3c5bf84d Minor error message cleanups 14 years ago
Eileen Donlon 9376967e65 reject rules with duplicate content modifiers 
reject rules that have multiple depths, offsets, distances, fast_patterns, nocases, or rawbytes for the same content.
 14 years ago
Eileen Donlon 0bcbd23343 reject mixed relative and non-relative keywords 
reject signatures using relative and non-relative positional keywords for the same content (depth or offset with distance or within)
 14 years ago
Anoop Saldanha 35435f3284 All http_http_stat_code modified patterns now are DETECT_CONTENT and not DETECT_AL_HTTP_STAT_CODE. Also remove dummy match/free functions for stat code and stat msg 14 years ago
Anoop Saldanha 507e1b66e0 All http_http_stat_msg modified patterns now are DETECT_CONTENT and not DETECT_AL_HTTP_STAT_MSG 14 years ago
Anoop Saldanha 059ee217ff All http_http_raw_uri modified patterns now are DETECT_CONTENT and not DETECT_AL_HTTP_RAW_URI 14 years ago
Anoop Saldanha b1a0d35106 All http_http_cookie modified patterns now are DETECT_CONTENT and not DETECT_AL_HTTP_COOKIE 14 years ago
Anoop Saldanha 49bdad9345 All http_http_method modified patterns now are DETECT_CONTENT and not DETECT_AL_HTTP_METHOD 14 years ago
Anoop Saldanha 97d8fc9cba All http_http_raw_header modified patterns now are DETECT_CONTENT and not DETECT_AL_HTTP_RAW_HEADER 14 years ago
Anoop Saldanha 97308674ee All http_http_header modified patterns now are DETECT_CONTENT and not DETECT_AL_HTTP_HEADER 14 years ago
Anoop Saldanha 1acb7cdc7d All http_server_body modified patterns now are DETECT_CONTENT and not DETECT_AL_HTTP_SERVER_BODY 14 years ago
Anoop Saldanha a5b46e727c All http_client_body modified patterns now are DETECT_CONTENT and not DETECT_AL_HTTP_CLIENT_BODY 14 years ago