app-layer-htp-body.c File Reference

#include "suricata-common.h"
#include "app-layer-htp.h"
#include "app-layer-htp-mem.h"
#include "app-layer-htp-body.h"
#include "util-streaming-buffer.h"
#include "util-print.h"

Include dependency graph for app-layer-htp-body.c:

Go to the source code of this file.

Functions
int	HtpBodyAppendChunk (const HTPCfgDir *hcfg, HtpBody *body, const uint8_t *data, uint32_t len)
	Append a chunk of body to the HtpBody struct. More...
void	HtpBodyPrint (HtpBody *body)
	Print the information and chunks of a Body. More...
void	HtpBodyFree (const HTPCfgDir *hcfg, HtpBody *body)
	Free the information held in the request body. More...
void	HtpBodyPrune (HtpState *state, HtpBody *body, int direction)
	Free request body chunks that are already fully parsed. More...

Variables
StreamingBufferConfig	htp_sbcfg

Detailed Description

Author

Victor Julien victo.nosp@m.r@in.nosp@m.linia.nosp@m.c.ne.nosp@m.t

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

Pablo Rincon pablo.nosp@m..rin.nosp@m.con.c.nosp@m.resp.nosp@m.o@gma.nosp@m.il.c.nosp@m.om

Brian Rectanus brect.nosp@m.anu@.nosp@m.gmail.nosp@m..com

This file provides a HTTP protocol support for the engine using HTP library.

Definition in file app-layer-htp-body.c.

Function Documentation

HtpBodyAppendChunk()

int HtpBodyAppendChunk	(	const HTPCfgDir *	hcfg,
		HtpBody *	body,
		const uint8_t *	data,
		uint32_t	len
	)

Append a chunk of body to the HtpBody struct.

Parameters

body	pointer to the HtpBody holding the list
data	pointer to the data of the chunk
len	length of the chunk pointed by data

Return values

0	ok
-1	error

Definition at line 48 of file app-layer-htp-body.c.

References HtpBody_::content_len_so_far, HtpBody_::first, htp_sbcfg, HTPCalloc(), HTPFree(), HtpBody_::last, len, HtpBodyChunk_::next, HtpBody_::sb, HtpBodyChunk_::sbseg, SCEnter, SCLogDebug, SCReturnInt, StreamingBufferAppend(), and StreamingBufferInit().

Here is the call graph for this function:

HtpBodyFree()

void HtpBodyFree	(	const HTPCfgDir *	hcfg,
		HtpBody *	body
	)

Free the information held in the request body.

Parameters

body	pointer to the HtpBody holding the list

Return values

none

Definition at line 122 of file app-layer-htp-body.c.

References HtpBody_::first, htp_sbcfg, HTPFree(), HtpBody_::last, HtpBodyChunk_::next, HtpBody_::sb, SCEnter, SCLogDebug, and StreamingBufferFree().

Here is the call graph for this function:

HtpBodyPrint()

void HtpBodyPrint

(

HtpBody *

body

)

Print the information and chunks of a Body.

Parameters

body	pointer to the HtpBody holding the list

Return values

none

Definition at line 94 of file app-layer-htp-body.c.

References HtpBody_::first, HtpBodyChunk_::next, PrintRawDataFp(), HtpBody_::sb, HtpBodyChunk_::sbseg, SCEnter, SCLogDebug, SCLogDebugEnabled(), and StreamingBufferSegmentGetData().

Here is the call graph for this function:

HtpBodyPrune()

void HtpBodyPrune	(	HtpState *	state,
		HtpBody *	body,
		int	direction
	)

Free request body chunks that are already fully parsed.

Parameters

state	htp_state, with reference to our config
body	the body to prune
direction	STREAM_TOSERVER (request), STREAM_TOCLIENT (response)

Return values

none

Definition at line 151 of file app-layer-htp-body.c.

References HtpBody_::body_inspected, HtpBody_::body_parsed, HtpState_::cfg, HtpBody_::content_len_so_far, HtpBody_::first, htp_sbcfg, HTPFree(), HTPCfgDir_::inspect_min_size, HTPCfgDir_::inspect_window, HtpBody_::last, next, HtpBodyChunk_::next, HTPCfgRec_::request, HTPCfgRec_::response, HtpBody_::sb, HtpBodyChunk_::sbseg, SCEnter, SCLogDebug, SCReturn, StreamingBufferSegmentIsBeforeWindow(), and StreamingBufferSlideToOffset().

Here is the call graph for this function:

Variable Documentation

htp_sbcfg

StreamingBufferConfig htp_sbcfg

Definition at line 96 of file app-layer-htp.c.

Referenced by HtpBodyAppendChunk(), HtpBodyFree(), and HtpBodyPrune().