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Data Structures
struct	HttpXFFCfg_

Macros
#define	XFF_DISABLED 1

#define	XFF_EXTRADATA 2

#define	XFF_OVERWRITE 4

#define	XFF_REVERSE 8

#define	XFF_FORWARD 16

#define	XFF_MAXLEN 46

Typedefs
typedef struct HttpXFFCfg_	HttpXFFCfg

Functions
void	HttpXFFGetCfg (ConfNode conf, HttpXFFCfg result)
	Function to return XFF configuration from a configuration node. More...

int	HttpXFFGetIPFromTx (const Flow f, uint64_t tx_id, HttpXFFCfg xff_cfg, char *dstbuf, int dstbuflen)
	Function to return XFF IP if any in the selected transaction. The caller needs to lock the flow. More...

int	HttpXFFGetIP (const Flow f, HttpXFFCfg xff_cfg, char *dstbuf, int dstbuflen)
	Function to return XFF IP if any. The caller needs to lock the flow. More...

void	HTPXFFParserRegisterTests (void)

Detailed Description

Author: Ignacio Sanchez sanch.nosp@m.ezma.nosp@m.rtin..nosp@m.ji@g.nosp@m.mail..nosp@m.com; Duarte Silva duart.nosp@m.e.si.nosp@m.lva@s.nosp@m.eria.nosp@m.lizin.nosp@m.g.me

Definition in file app-layer-htp-xff.h.

Macro Definition Documentation

◆ XFF_DISABLED

#define XFF_DISABLED 1

XFF is disabled

Definition at line 30 of file app-layer-htp-xff.h.

◆ XFF_EXTRADATA

#define XFF_EXTRADATA 2

XFF extra data mode

Definition at line 32 of file app-layer-htp-xff.h.

◆ XFF_FORWARD

#define XFF_FORWARD 16

XFF is to be used in a forward proxy deployment

Definition at line 38 of file app-layer-htp-xff.h.

◆ XFF_MAXLEN

#define XFF_MAXLEN 46

Single XFF IP maximum length (default value based on IPv6 address length)

Definition at line 40 of file app-layer-htp-xff.h.

◆ XFF_OVERWRITE

#define XFF_OVERWRITE 4

XFF overwrite mode

Definition at line 34 of file app-layer-htp-xff.h.

◆ XFF_REVERSE

#define XFF_REVERSE 8

XFF is to be used in a reverse proxy deployment

Definition at line 36 of file app-layer-htp-xff.h.

Typedef Documentation

◆ HttpXFFCfg

typedef struct HttpXFFCfg_ HttpXFFCfg

Function Documentation

◆ HTPXFFParserRegisterTests()

void HTPXFFParserRegisterTests ( void )

Definition at line 336 of file app-layer-htp-xff.c.

References UtRegisterTest().

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◆ HttpXFFGetCfg()

void HttpXFFGetCfg	(	ConfNode *	conf,
		HttpXFFCfg *	result
	)

Function to return XFF configuration from a configuration node.

Definition at line 205 of file app-layer-htp-xff.c.

References BUG_ON, ConfNodeChildValueIsTrue(), ConfNodeLookupChild(), ConfNodeLookupChildValue(), HttpXFFCfg_::flags, HttpXFFCfg_::header, SCLogWarning, XFF_DEFAULT, XFF_DISABLED, XFF_EXTRADATA, XFF_FORWARD, XFF_OVERWRITE, and XFF_REVERSE.

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◆ HttpXFFGetIP()

int HttpXFFGetIP	(	const Flow *	f,
		HttpXFFCfg *	xff_cfg,
		char *	dstbuf,
		int	dstbuflen
	)

Function to return XFF IP if any. The caller needs to lock the flow.

Return values

1	if the IP has been found and returned in dstbuf
0	if the IP has not being found or error

Definition at line 180 of file app-layer-htp-xff.c.

◆ HttpXFFGetIPFromTx()

int HttpXFFGetIPFromTx	(	const Flow *	f,
		uint64_t	tx_id,
		HttpXFFCfg *	xff_cfg,
		char *	dstbuf,
		int	dstbuflen
	)

Function to return XFF IP if any in the selected transaction. The caller needs to lock the flow.

Return values

1	if the IP has been found and returned in dstbuf
0	if the IP has not being found or error

Get the last IP address from the chain

Get the first IP address from the chain

Definition at line 116 of file app-layer-htp-xff.c.

References XFF_CHAIN_MAXLEN.

Data Structures

Macros

Typedefs

Functions