detect-stream_size.c File Reference

#include "suricata-common.h"
#include "stream-tcp.h"
#include "util-unittest.h"
#include "detect.h"
#include "detect-parse.h"
#include "flow.h"
#include "detect-stream_size.h"
#include "stream-tcp-private.h"
#include "util-debug.h"

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Macros
#define	PARSE_REGEX   "^\\s*([A-z_]+)\\s*,\\s*([<=>!]+)\\s*,\\s*([0-9]+)\\s*$"
	Regex for parsing our flow options. More...
#define	MAX_SUBSTRINGS   30

Functions
void	DetectStreamSizeFree (void *ptr)
	this function will free memory associated with DetectStreamSizeData More...
void	DetectStreamSizeRegisterTests (void)
	this function registers unit tests for DetectStreamSize More...
void	DetectStreamSizeRegister (void)
	Registration function for stream_size: keyword. More...

Detailed Description

Author

Gurvinder Singh gurvi.nosp@m.nder.nosp@m.singh.nosp@m.dahi.nosp@m.ya@gm.nosp@m.ail..nosp@m.com

Stream size for the engine.

Definition in file detect-stream_size.c.

Macro Definition Documentation

#define MAX_SUBSTRINGS   30

Referenced by DetectStreamSizeRegister().

#define PARSE_REGEX   "^\\s*([A-z_]+)\\s*,\\s*([<=>!]+)\\s*,\\s*([0-9]+)\\s*$"

Regex for parsing our flow options.

Definition at line 41 of file detect-stream_size.c.

Referenced by DetectStreamSizeRegister().

Function Documentation

void DetectStreamSizeFree

(

void *

ptr

)

this function will free memory associated with DetectStreamSizeData

Parameters

ptr	pointer to DetectStreamSizeData

Definition at line 323 of file detect-stream_size.c.

References TcpSession_::client, SigMatch_::ctx, DETECTSSIZE_GT, DETECTSSIZE_LT, DetectStreamSizeData_::flags, Packet_::flow, ip4h, Packet_::ip4h, TcpStream_::isn, DetectStreamSizeData_::mode, TcpStream_::next_seq, PacketGetFromAlloc(), Flow_::protoctx, SCFree, DetectStreamSizeData_::ssize, STREAM_SIZE_CLIENT, STREAM_SIZE_SERVER, tcph, Packet_::tcph, and unlikely.

Referenced by DetectStreamSizeRegister().

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void DetectStreamSizeRegister

(

void

)

Registration function for stream_size: keyword.

Definition at line 57 of file detect-stream_size.c.

References TcpSession_::client, SigMatch_::ctx, SigTableElmt_::desc, DETECT_SM_LIST_MATCH, DETECT_STREAM_SIZE, DetectSetupParseRegexes(), DETECTSSIZE_EQ, DETECTSSIZE_GEQ, DETECTSSIZE_GT, DETECTSSIZE_LEQ, DETECTSSIZE_LT, DETECTSSIZE_NEQ, DetectStreamSizeFree(), DetectStreamSizeRegisterTests(), DOC_URL, DOC_VERSION, DetectStreamSizeData_::flags, Packet_::flow, SigTableElmt_::Free, TcpStream_::isn, SigTableElmt_::Match, MAX_SUBSTRINGS, DetectStreamSizeData_::mode, SigTableElmt_::name, TcpStream_::next_seq, PARSE_REGEX, PKT_IS_TCP, Flow_::protoctx, SigTableElmt_::RegisterTests, res, SC_ERR_INVALID_OPERATOR, SC_ERR_PCRE_GET_SUBSTRING, SC_ERR_PCRE_MATCH, SCFree, SCLogDebug, SCLogError, SCMalloc, SCReturnInt, TcpSession_::server, SigTableElmt_::Setup, sigmatch_table, SigMatchAlloc(), SigMatchAppendSMToList(), DetectStreamSizeData_::ssize, STREAM_SIZE_BOTH, STREAM_SIZE_CLIENT, STREAM_SIZE_EITHER, STREAM_SIZE_SERVER, SigMatch_::type, unlikely, and SigTableElmt_::url.

Referenced by SigTableSetup().

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void DetectStreamSizeRegisterTests

(

void

)

this function registers unit tests for DetectStreamSize

Definition at line 506 of file detect-stream_size.c.

References UtRegisterTest().

Referenced by DetectStreamSizeRegister().

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