Commit Graph

15 Commits (f553fbdab434bc7ea67b9054fd714f9624e9f0a1)

Author SHA1 Message Date
Victor Julien 94644ac960 detect: move non-pf rules into special prefilter engines
Instead of having a per detection engine list of rule that couldn't be
prefiltered, put those into special "prefilter" engines.

For packet and frame rules this doesn't change much, it just removes
some hard coded logic from the detect engine.

For the packet non-prefilter rules in the "non-prefilter" special prefilter
engine, add additional filtering for the packet variant. It can prefilter on
alproto, dsize and dest port.

The frame non-prefilter rules are added to a single engine, that per
rule checks the alproto and the type.

For app-layer, there is an engine per progress value, per app-layer
protocol and per direction. This hooks app-layer non-prefilter rules
into the app inspect logic at the correct "progress" hook.

e.g. a rule like
        dns.query; bsize:1;

Negated MPM rules will also fall into this category:
        dns.query; content:!"abc";

Are part of a special "generic list" app engine for dns, at the
same progress hook as `dns.query`.

This all results in a lot fewer checks:

previous:

  --------------------------------------------------------------------------
  Date: 1/29/2025 -- 10:22:25. Sorted by: number of checks.
  --------------------------------------------------------------------------
   Num      Rule         Gid      Rev      Ticks        %      Checks   Matches  Max Ticks   Avg Ticks   Avg Match   Avg No Match
  -------- ------------ -------- -------- ------------ ------ -------- -------- ----------- ----------- ----------- --------------
  1        20           1        0        181919672    11.85  588808   221      60454       308.96      2691.46     308.07
  2        50           1        0        223455914    14.56  453104   418      61634       493.17      3902.59     490.02
  3        60           1        0        185990683    12.12  453104   418      60950       410.48      1795.40     409.20
  4        51           1        0        192436011    12.54  427028   6084     61223       450.64      2749.12     417.42
  5        61           1        0        180401533    11.75  427028   6084     61093       422.46      2177.04     397.10
  6        70           1        0        153899099    10.03  369836   0        61282       416.13      0.00        416.13
  7        71           1        0        123389405    8.04   369836   12833    44921       333.63      2430.23     258.27
  8        41           1        0        63889876     4.16   155824   12568    39138       410.01      1981.97     272.10
  9        40           1        0        64149724     4.18   155818   210      39792       411.70      4349.57     406.38
  10       10           1        0        70848850     4.62   65558    0        39544       1080.70     0.00        1080.70
  11       11           1        0        94743878     6.17   65558    32214    60547       1445.19     2616.14     313.92

this commit:

  --------------------------------------------------------------------------
  Date: 1/29/2025 -- 10:15:46. Sorted by: number of checks.
  --------------------------------------------------------------------------
   Num      Rule         Gid      Rev      Ticks        %      Checks   Matches  Max Ticks   Avg Ticks   Avg Match   Avg No Match
  -------- ------------ -------- -------- ------------ ------ -------- -------- ----------- ----------- ----------- --------------
  1        50           1        0        138776766    19.23  95920    418      167584      1446.80     3953.11     1435.83
  2        60           1        0        97988084     13.58  95920    418      182817      1021.56     1953.63     1017.48
  3        51           1        0        105318318    14.60  69838    6084     65649       1508.04     2873.38     1377.74
  4        61           1        0        89571260     12.41  69838    6084     164632      1282.56     2208.41     1194.20
  5        11           1        0        91132809     12.63  32779    32214    373569      2780.22     2785.58     2474.45
  6        10           1        0        66095303     9.16   32779    0        56704       2016.39     0.00        2016.39
  7        70           1        0        48107573     6.67   12928    0        42832       3721.19     0.00        3721.19
  8        71           1        0        32308792     4.48   12928    12833    39565       2499.13     2510.05     1025.09
  9        41           1        0        25546837     3.54   12886    12470    41479       1982.53     1980.84     2033.05
  10       40           1        0        26069992     3.61   12886    210      38495       2023.13     4330.05     1984.91
  11       20           1        0        639025       0.09   221      221      14750       2891.52     2891.52     0.00
2 years ago
Jason Ish 22b77b0c56 conf: prefix conf API with SC 2 years ago
Victor Julien 855cc89636 profiling: allow absolute paths
Ticket #6490.
2 years ago
Jeff Lucovsky 31793aface time: Replace struct timeval with scalar value
Issue: 5718

This commit switches the majority of time handling to a new type --
SCTime_t -- which is a 64 bit container for time:
- 44 bits -- seconds
- 20 bits -- useconds
4 years ago
Victor Julien b31ffde6f4 output: remove error codes from output 4 years ago
Victor Julien 39cf5b151a src: includes cleanup
Work towards making `suricata-common.h` only introduce system headers
and other things that are independent of complex internal Suricata
data structures.

Update files to compile after this.

Remove special DPDK handling for strlcpy and strlcat, as this caused
many compilation failures w/o including DPDK headers for all files.

Remove packet macros from decode.h and move them into their own file,
turn them into functions and rename them to match our function naming
policy.
4 years ago
Philippe Antoine 02f2602dde src: rework includes as per cppclean 4 years ago
Shivani Bhardwaj 6f7d8e50c8 src: use FatalError whenever possible
Replaces all patterns of SCLogError() followed by exit() with
FatalError(). Cocci script to do this:

@@
constant C;
constant char[] msg;
@@

- SCLogError(C,
+ FatalError(SC_ERR_FATAL,
  msg);
- exit(EXIT_FAILURE);

Closes redmine ticket 3188.
6 years ago
Victor Julien edd2cd626f jansson: remove HAVE_LIBJANSSON guards 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.
10 years ago
Victor Julien addf64f1f7 profiling: fix memory leaks 10 years ago
Victor Julien 17bc0299fe detect: rename non_mpm lists/vars to non_pf
Rename to non_pf: non prefilter.
10 years ago
Victor Julien b3bf7a5729 output: introduce config and perf output levels
Goal is to reduce info output
11 years ago
Victor Julien e11753e3f2 profiling: fix minor compiler warning 11 years ago
Victor Julien 722e2dbf7c profiling: initial rulegroup tracking
Per rule group tracking of checks, use of lists, mpm matches,
post filter counts.

Logs SGH id so it can be compared with the rule_group.json output.

Implemented both in a human readable text format and a JSON format.
11 years ago