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Commit Graph

41 Commits (a2bc0080932e2971590b83011df109373f7aca66)

Author SHA1 Message Date
Jason Ish 00e6cd4ced output: introduce init return type 
The new OutputInitResult is a struct return type that allows
logger init functions to return a NULL context without
raising error.

Instead of returning NULL to signal error, the "ok" field will
be set to false. If ok, but the ctx is NULL, then silently
move on to the next logger.

Use case: multiple versions of a specific logger, and one
implementation decides the configuration is not for that
implemenation. It can return NULL, ok.
 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.
 8 years ago
Jason Ish 00b6e628d1 logging: hook into flow worker thread 9 years ago
Jason Ish 1b4ba4496c logging: rename registration functions to not have tmm 
As the logging modules are no longer threading modules, rename
them so they don't look like they are being registered as
threading modules.

Also, move the registration to the output.c which will handle
registration of the loggers.
 9 years ago
Jason Ish fa27a76462 logging: add profiling back for non-tmm loggers 
The loggers moved away from a TMM required a new
profiling support.
 9 years ago
Jason Ish 869d2eb701 logging: convert drop output to non-thread module 9 years ago
Jason Ish b1200dba54 logging: convert fast log to a non-thread module 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.
 9 years ago
Victor Julien 64017cd29b ips/drop-log: fix crash on logging drops 
When logging drops for fragmented UDP packets, triggered by detection
in the reassembled packet, a missing check could lead to access of the
packets UDP header pointer when it was NULL.
 10 years ago
Victor Julien 6b2fb3fd5d Fix minor format string issues 10 years ago
Jason Ish b512580bbe logging: integrate rotation into SCConfLogOpenGeneric. 
Addresses issue 1492, and will make it harder to omit
rotation on new outputs.
 10 years ago
Victor Julien e583de0582 Minor unittest cleanups 10 years ago
Victor Julien 393689ce44 classification: remove global from parsing 
Parsing code used a 'fd' global. Remove this.
 10 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 2c20c9d409 Fix Coverity 1220098 and 1220099 
*** CID 1220098:  Missing unlock  (LOCK)
/src/log-droplog.c: 195 in LogDropLogNetFilter()
189         SCMutexLock(&dlt->file_ctx->fp_mutex);
190
191         if (dlt->file_ctx->rotation_flag) {
192             dlt->file_ctx->rotation_flag  = 0;
193             if (SCConfLogReopen(dlt->file_ctx) != 0) {
194                 /* Rotation failed, error already logged. */
>>>     CID 1220098:  Missing unlock  (LOCK)
>>>     Returning without unlocking "dlt->file_ctx->fp_mutex".
195                 return TM_ECODE_FAILED;
196             }
197         }
198
199         if (dlt->file_ctx == NULL) {
200             return TM_ECODE_FAILED;

*** CID 1220099:  Dereference before null check  (REVERSE_INULL)
/src/log-droplog.c: 199 in LogDropLogNetFilter()
193             if (SCConfLogReopen(dlt->file_ctx) != 0) {
194                 /* Rotation failed, error already logged. */
195                 return TM_ECODE_FAILED;
196             }
197         }
198
>>>     CID 1220099:  Dereference before null check  (REVERSE_INULL)
>>>     Null-checking "dlt->file_ctx" suggests that it may be null, but it has already been dereferenced on all paths leading to the check.
199         if (dlt->file_ctx == NULL) {
200             return TM_ECODE_FAILED;
201         }
202
203         char srcip[46] = "";
204         char dstip[46] = "";
 11 years ago
Jason Ish fc2014ab40 Unregister for file rotation notification when a context is 
de-initialized.  Required for unix-socket mode where
contexts come and go.
 11 years ago
Jason Ish e1b97fed70 Add signal based file rotation for: 
- alert debug log
- fast log
- stats log
- dns log
- drop log
- file log
- http log
- tls log
- eve/json log
 11 years ago
Victor Julien 96adcf6829 refactor IDS/IPS engine mode logic 
Instead of error phrone externs with macro's, use functions with a local
static enum var instead.

- EngineModeIsIPS(): in IPS mode
- EngineModeIsIDS(): in IDS mode

To set the modes:

- EngineModeSetIDS(): IDS mode (default)
- EngineModeSetIPS(): IPS mode

Bug #1177.
 11 years ago
Victor Julien f96a54535c drop loggers: call disable func 
Call OutputDropLoggerDisable() on cleanup.
 11 years ago
Victor Julien a3b0577a1f output: add TM_FLAG_LOGAPI_TM thread module flag 
The TM_FLAG_LOGAPI_TM flag indicates that a module is run by the log
api, not by the 'regular' thread module call functions.

Set flag in all all Log API users' registration code.

Purpose of this flag is in profiling. In profiling output it will be
used to list log api thread modules separately.
 12 years ago
Victor Julien 9950427466 output: check for multiple instances of drop and tls 
Both the drop and tls logs are currently not designed to have multiple
instances running. So until that is changed, error out if more than one
instance is started.
 12 years ago
Victor Julien 35aa6c1e66 Convert log-drop to packet logger api. 12 years ago
Ken Steele 68d26dcec7 Merge multiple copies of CreateTimeString() to one copy. 
There were 8 identical copies of CreateTimeString() in 8 files.
Most used SCLocalTime, to replace localtime_r(), but some did not.
Created one copy in util-time.c.
 12 years ago
Eric Leblond 3f107fa130 decode: Packet action start with PACKET 
Rename all Packet action macro to have them prefixed by PACKET.
 12 years ago
Anoop Saldanha b787da5643 Remove all cuda related code in the engine except for the cuda api wrappers 12 years ago
Eric Leblond a35c367942 action handling: use macro for test. 
Use test macro instead of direct access to action field.

This patch has been obtained by using the following
spatch file:

  @@
  Packet *p;
  expression E;
  @@

  - p->action & E
  + TEST_PACKET_ACTION(p, E)
 12 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
Eric Leblond a0e57f58e5 OpenBSD: introduce SCLocalTime function. 
This function is a wrapper to localtime_r. It is needed to avoid
a compilation warning on OpenBSD. I'm forced to type the function
to a non pointer first parameter. If not we will have to use two
differents functions in OpenBSD where tv->tv_sec is a long
(different from time_t).
 13 years ago
Mike Pomraning dfec9c0f6a Switch 'fast', 'http-log', 'drop' and 'alert-debug' to SCConfLogOpenGeneric. 14 years ago
Anoop Saldanha 7433d92dd2 undo this commit - 
commit eff08f93d8
Author: Anoop Saldanha <poonaatsoc@gmail.com>
Date:   Thu Nov 3 14:31:24 2011 +0530

    update failing unittest to reflect the mpm design update

Fixed a bug in the mpm code that would make all the changes in the commit just undone wrong.
 14 years ago
Anoop Saldanha eff08f93d8 update failing unittest to reflect the mpm design update 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
Anoop Saldanha 4307ea2348 Replace all frees with SCFrees 14 years ago
Eileen Donlon 89599d3b9b fixed bug 288; corrected config boolean parsing problems 14 years ago
Victor Julien 820b0ded82 Add per packet profiling. 
Per packet profiling uses tick based accounting. It has 2 outputs, a summary
and a csv file that contains per packet stats.

Stats per packet include:
 1) total ticks spent
 2) ticks spent per individual thread module
 3) "threading overhead" which is simply calculated by subtracting (2) of (1).

A number of changes were made to integrate the new code in a clean way:
a number of generic enums are now placed in tm-threads-common.h so we can
include them from any part of the engine.

Code depends on --enable-profiling just like the rule profiling code.

New yaml parameters:

profiling:
  # packet profiling
  packets:

    # Profiling can be disabled here, but it will still have a
    # performance impact if compiled in.
    enabled: yes
    filename: packet_stats.log
    append: yes

    # per packet csv output
    csv:

      # Output can be disabled here, but it will still have a
      # performance impact if compiled in.
      enabled: no
      filename: packet_stats.csv

Example output of summary stats:

IP ver   Proto   cnt        min      max          avg
------   -----   ------     ------   ----------   -------
 IPv4       6     19436      11448      5404365     32993
 IPv4     256         4      11511        49968     30575

Per Thread module stats:

Thread Module              IP ver   Proto   cnt        min      max          avg
------------------------   ------   -----   ------     ------   ----------   -------
TMM_DECODEPCAPFILE          IPv4       6     19434       1242        47889      1770
TMM_DETECT                  IPv4       6     19436       1107       137241      1504
TMM_ALERTFASTLOG            IPv4       6     19436         90         1323       155
TMM_ALERTUNIFIED2ALERT      IPv4       6     19436        108         1359       138
TMM_ALERTDEBUGLOG           IPv4       6     19436         90         1134       154
TMM_LOGHTTPLOG              IPv4       6     19436        414      5392089      7944
TMM_STREAMTCP               IPv4       6     19434        828      1299159     19438

The proto 256 is a counter for handling of pseudo/tunnel packets.

Example output of csv:

pcap_cnt,ipver,ipproto,total,TMM_DECODENFQ,TMM_VERDICTNFQ,TMM_RECEIVENFQ,TMM_RECEIVEPCAP,TMM_RECEIVEPCAPFILE,TMM_DECODEPCAP,TMM_DECODEPCAPFILE,TMM_RECEIVEPFRING,TMM_DECODEPFRING,TMM_DETECT,TMM_ALERTFASTLOG,TMM_ALERTFASTLOG4,TMM_ALERTFASTLOG6,TMM_ALERTUNIFIEDLOG,TMM_ALERTUNIFIEDALERT,TMM_ALERTUNIFIED2ALERT,TMM_ALERTPRELUDE,TMM_ALERTDEBUGLOG,TMM_ALERTSYSLOG,TMM_LOGDROPLOG,TMM_ALERTSYSLOG4,TMM_ALERTSYSLOG6,TMM_RESPONDREJECT,TMM_LOGHTTPLOG,TMM_LOGHTTPLOG4,TMM_LOGHTTPLOG6,TMM_PCAPLOG,TMM_STREAMTCP,TMM_DECODEIPFW,TMM_VERDICTIPFW,TMM_RECEIVEIPFW,TMM_RECEIVEERFFILE,TMM_DECODEERFFILE,TMM_RECEIVEERFDAG,TMM_DECODEERFDAG,threading
1,4,6,172008,0,0,0,0,0,0,47889,0,0,48582,1323,0,0,0,0,1359,0,1134,0,0,0,0,0,8028,0,0,0,49356,0,0,0,0,0,0,0,14337

First line of the file contains labels.

2 example gnuplot scripts added to plot the data.
 14 years ago
Eric Leblond 6b9d1012ff Transform inet_ntop call into PrintInet one. 14 years ago
Victor Julien 75439863ed Shrink PacketAlerts structure so that Packet structure is a lot smaller. Reduce max events per packet from 256 to 15. 14 years ago
Victor Julien cec7ece697 Don't print drop log on pseudo packet. 15 years ago
Victor Julien 1ace091bd4 Minor drop log cleanups. 15 years ago
Gurvinder Singh 7d0781b349 added support to log dropped packet as netfilter logs while in inline mode 15 years ago