app-layer-htp.c File Reference

#include "suricata.h"
#include "suricata-common.h"
#include "conf.h"
#include "decode.h"
#include "util-print.h"
#include "util-byte.h"
#include "stream-tcp.h"
#include "app-layer-protos.h"
#include "app-layer-parser.h"
#include "app-layer.h"
#include "app-layer-detect-proto.h"
#include "app-layer-frames.h"
#include "app-layer-htp.h"
#include "app-layer-htp-body.h"
#include "app-layer-htp-file.h"
#include "app-layer-htp-xff.h"
#include "app-layer-htp-range.h"
#include "app-layer-htp-mem.h"
#include "app-layer-events.h"
#include "util-debug.h"
#include "util-misc.h"
#include "util-unittest.h"
#include "util-unittest-helper.h"
#include "flow-util.h"
#include "detect-engine.h"
#include "detect-engine-build.h"
#include "detect-engine-state.h"
#include "detect-parse.h"
#include "util-memcmp.h"
#include "util-random.h"
#include "util-validate.h"
#include "detect-engine-alert.h"
#include "conf-yaml-loader.h"

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

Go to the source code of this file.

Data Structures
struct	HTPConfigTree

Macros
#define	IF_HTP_PERSONALITY_NUM(p)
#define	HTP_CONFIG_DEFAULT_MAX_TX_LIMIT   512
#define	HTP_CONFIG_DEFAULT_HEADERS_LIMIT   1024
#define	HTP_MAX_MESSAGES   512
enum	HttpFrameTypes { HTTP_FRAME_REQUEST, HTTP_FRAME_RESPONSE }
SCRadix4Config	htp_radix4_cfg = { NULL, NULL }
SCRadix6Config	htp_radix6_cfg = { NULL, NULL }
StreamingBufferConfig	htp_sbcfg = STREAMING_BUFFER_CONFIG_INITIALIZER
SCEnumCharMap	http_decoder_event_table []
SCEnumCharMap	http_frame_table []
	SC_ATOMIC_DECLARE (uint32_t, htp_config_flags)
void	HTPStateFree (void *state)
	Function to frees the HTTP state memory and also frees the HTTP connection parser memory which was used by the HTP library. More...
void	AppLayerHtpEnableRequestBodyCallback (void)
	Sets a flag that informs the HTP app layer that some module in the engine needs the http request body data. \initonly. More...
void	AppLayerHtpEnableResponseBodyCallback (void)
	Sets a flag that informs the HTP app layer that some module in the engine needs the http request body data. \initonly. More...
void	AppLayerHtpNeedFileInspection (void)
	Sets a flag that informs the HTP app layer that some module in the engine needs the http request file. More...
void	HTPAtExitPrintStats (void)
	Print the stats of the HTTP requests. More...
void	HTPFreeConfig (void)
	Clears the HTTP server configuration memory used by HTP library. More...
void	HTPConfigure (void)
void	AppLayerHtpPrintStats (void)
void *	HtpGetTxForH2 (void *alstate)
void	RegisterHTPParsers (void)
	Register the HTTP protocol and state handling functions to APP layer of the engine. More...
void	HtpConfigCreateBackup (void)
void	HtpConfigRestoreBackup (void)

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

Anoop Saldanha anoop.nosp@m.sald.nosp@m.anha@.nosp@m.gmai.nosp@m.l.com

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

Definition in file app-layer-htp.c.

Macro Definition Documentation

HTP_CONFIG_DEFAULT_HEADERS_LIMIT

#define HTP_CONFIG_DEFAULT_HEADERS_LIMIT   1024

HTP_CONFIG_DEFAULT_MAX_TX_LIMIT

#define HTP_CONFIG_DEFAULT_MAX_TX_LIMIT   512

HTP_MAX_MESSAGES

#define HTP_MAX_MESSAGES   512

Limit to the number of libhtp messages that can be handled

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

IF_HTP_PERSONALITY_NUM

#define IF_HTP_PERSONALITY_NUM

(

p

)

Value:

    if (strcasecmp(#p, str) == 0)                                                                  \
    return HTP_SERVER_PERSONALITY_##p

Enumeration Type Documentation

HttpFrameTypes

enum HttpFrameTypes

Enumerator
HTTP_FRAME_REQUEST
HTTP_FRAME_RESPONSE

Definition at line 222 of file app-layer-htp.c.

Function Documentation

SC_ATOMIC_DECLARE()

SC_ATOMIC_DECLARE	(	uint32_t	,
		htp_config_flags
	)

Variable Documentation

htp_radix4_cfg

SCRadix4Config htp_radix4_cfg = { NULL, NULL }

Definition at line 86 of file app-layer-htp.c.

htp_radix6_cfg

SCRadix6Config htp_radix6_cfg = { NULL, NULL }

Definition at line 87 of file app-layer-htp.c.

htp_sbcfg

StreamingBufferConfig htp_sbcfg = STREAMING_BUFFER_CONFIG_INITIALIZER

Definition at line 92 of file app-layer-htp.c.

Referenced by HtpBodyAppendChunk(), HtpBodyFree(), HtpBodyPrune(), HTPFileClose(), HTPFileOpen(), and HTPFileStoreChunk().

http_decoder_event_table

SCEnumCharMap http_decoder_event_table[]

Definition at line 105 of file app-layer-htp.c.

http_frame_table

SCEnumCharMap http_frame_table[]

Initial value:

= {
    {
            "request",
            HTTP_FRAME_REQUEST,
    },
    {
            "response",
            HTTP_FRAME_RESPONSE,
    },
    { NULL, -1 },
}

Definition at line 227 of file app-layer-htp.c.