app-layer-htp.h File Reference

#include "util-radix-tree.h"
#include "util-file.h"
#include "app-layer-htp-mem.h"
#include "detect-engine-state.h"
#include "util-streaming-buffer.h"
#include <htp/htp.h>

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

Go to the source code of this file.

Data Structures
struct	HTPCfgDir_
struct	HTPCfgRec_
struct	HtpBodyChunk_
struct	HtpBody_
struct	HtpTxUserData_
struct	HtpState_

Macros
#define	HTP_CONFIG_DEFAULT_REQUEST_BODY_LIMIT   4096U
#define	HTP_CONFIG_DEFAULT_RESPONSE_BODY_LIMIT   4096U
#define	HTP_CONFIG_DEFAULT_REQUEST_INSPECT_MIN_SIZE   32768U
#define	HTP_CONFIG_DEFAULT_REQUEST_INSPECT_WINDOW   4096U
#define	HTP_CONFIG_DEFAULT_RESPONSE_INSPECT_MIN_SIZE   32768U
#define	HTP_CONFIG_DEFAULT_RESPONSE_INSPECT_WINDOW   4096U
#define	HTP_CONFIG_DEFAULT_FIELD_LIMIT_SOFT   9000U
#define	HTP_CONFIG_DEFAULT_FIELD_LIMIT_HARD   18000U
#define	HTP_CONFIG_DEFAULT_LZMA_MEMLIMIT   1048576U
#define	HTP_CONFIG_DEFAULT_COMPRESSION_BOMB_LIMIT   1048576U
#define	HTP_CONFIG_DEFAULT_RANDOMIZE   1
#define	HTP_CONFIG_DEFAULT_RANDOMIZE_RANGE   10
#define	HTP_BOUNDARY_MAX   200U
#define	HTP_FLAG_STATE_CLOSED_TS   0x0002
#define	HTP_FLAG_STATE_CLOSED_TC   0x0004
#define	HTP_FLAG_STORE_FILES_TS   0x0040
#define	HTP_FLAG_STORE_FILES_TC   0x0080
#define	HTP_FLAG_STORE_FILES_TX_TS   0x0100
#define	HTP_FLAG_STORE_FILES_TX_TC   0x0200
#define	HTP_CONTENTTYPE_SET   BIT_U8(0)
#define	HTP_BOUNDARY_SET   BIT_U8(1)
#define	HTP_BOUNDARY_OPEN   BIT_U8(2)
#define	HTP_FILENAME_SET   BIT_U8(3)
#define	HTP_DONTSTORE   BIT_U8(4)
#define	HTP_STREAM_DEPTH_SET   BIT_U8(5)
#define	HTP_REQUIRE_REQUEST_BODY   (1 << 0)
#define	HTP_REQUIRE_REQUEST_MULTIPART   (1 << 1)
#define	HTP_REQUIRE_REQUEST_FILE   (1 << 2)
#define	HTP_REQUIRE_RESPONSE_BODY   (1 << 3)

Typedefs
typedef enum HtpSwfCompressType_	HtpSwfCompressType
typedef struct HTPCfgDir_	HTPCfgDir
typedef struct HTPCfgRec_	HTPCfgRec
typedef struct HtpBodyChunk_	HtpBodyChunk
typedef struct HtpBody_	HtpBody
typedef struct HtpTxUserData_	HtpTxUserData
typedef struct HtpState_	HtpState

Enumerations
enum	{ HTP_BODY_REQUEST_NONE = 0, HTP_BODY_REQUEST_MULTIPART, HTP_BODY_REQUEST_POST, HTP_BODY_REQUEST_PUT }
enum	{   HTTP_DECODER_EVENT_UNKNOWN_ERROR, HTTP_DECODER_EVENT_GZIP_DECOMPRESSION_FAILED, HTTP_DECODER_EVENT_REQUEST_FIELD_MISSING_COLON, HTTP_DECODER_EVENT_RESPONSE_FIELD_MISSING_COLON,   HTTP_DECODER_EVENT_INVALID_REQUEST_CHUNK_LEN, HTTP_DECODER_EVENT_INVALID_RESPONSE_CHUNK_LEN, HTTP_DECODER_EVENT_INVALID_TRANSFER_ENCODING_VALUE_IN_REQUEST, HTTP_DECODER_EVENT_INVALID_TRANSFER_ENCODING_VALUE_IN_RESPONSE,   HTTP_DECODER_EVENT_INVALID_CONTENT_LENGTH_FIELD_IN_REQUEST, HTTP_DECODER_EVENT_INVALID_CONTENT_LENGTH_FIELD_IN_RESPONSE, HTTP_DECODER_EVENT_DUPLICATE_CONTENT_LENGTH_FIELD_IN_REQUEST, HTTP_DECODER_EVENT_DUPLICATE_CONTENT_LENGTH_FIELD_IN_RESPONSE,   HTTP_DECODER_EVENT_100_CONTINUE_ALREADY_SEEN, HTTP_DECODER_EVENT_UNABLE_TO_MATCH_RESPONSE_TO_REQUEST, HTTP_DECODER_EVENT_INVALID_SERVER_PORT_IN_REQUEST, HTTP_DECODER_EVENT_INVALID_AUTHORITY_PORT,   HTTP_DECODER_EVENT_REQUEST_HEADER_INVALID, HTTP_DECODER_EVENT_RESPONSE_HEADER_INVALID, HTTP_DECODER_EVENT_MISSING_HOST_HEADER, HTTP_DECODER_EVENT_HOST_HEADER_AMBIGUOUS,   HTTP_DECODER_EVENT_INVALID_REQUEST_FIELD_FOLDING, HTTP_DECODER_EVENT_INVALID_RESPONSE_FIELD_FOLDING, HTTP_DECODER_EVENT_REQUEST_FIELD_TOO_LONG, HTTP_DECODER_EVENT_RESPONSE_FIELD_TOO_LONG,   HTTP_DECODER_EVENT_REQUEST_SERVER_PORT_TCP_PORT_MISMATCH, HTTP_DECODER_EVENT_URI_HOST_INVALID, HTTP_DECODER_EVENT_HEADER_HOST_INVALID, HTTP_DECODER_EVENT_METHOD_DELIM_NON_COMPLIANT,   HTTP_DECODER_EVENT_URI_DELIM_NON_COMPLIANT, HTTP_DECODER_EVENT_REQUEST_LINE_LEADING_WHITESPACE, HTTP_DECODER_EVENT_TOO_MANY_ENCODING_LAYERS, HTTP_DECODER_EVENT_ABNORMAL_CE_HEADER,   HTTP_DECODER_EVENT_AUTH_UNRECOGNIZED, HTTP_DECODER_EVENT_REQUEST_HEADER_REPETITION, HTTP_DECODER_EVENT_RESPONSE_HEADER_REPETITION, HTTP_DECODER_EVENT_RESPONSE_MULTIPART_BYTERANGES,   HTTP_DECODER_EVENT_RESPONSE_ABNORMAL_TRANSFER_ENCODING, HTTP_DECODER_EVENT_RESPONSE_CHUNKED_OLD_PROTO, HTTP_DECODER_EVENT_RESPONSE_INVALID_PROTOCOL, HTTP_DECODER_EVENT_RESPONSE_INVALID_STATUS,   HTTP_DECODER_EVENT_REQUEST_LINE_INCOMPLETE, HTTP_DECODER_EVENT_DOUBLE_ENCODED_URI, HTTP_DECODER_EVENT_REQUEST_LINE_INVALID, HTTP_DECODER_EVENT_REQUEST_BODY_UNEXPECTED,   HTTP_DECODER_EVENT_LZMA_MEMLIMIT_REACHED, HTTP_DECODER_EVENT_COMPRESSION_BOMB, HTTP_DECODER_EVENT_MULTIPART_GENERIC_ERROR, HTTP_DECODER_EVENT_MULTIPART_NO_FILEDATA,   HTTP_DECODER_EVENT_MULTIPART_INVALID_HEADER }
enum	HtpSwfCompressType_ { HTTP_SWF_COMPRESSION_NONE = 0, HTTP_SWF_COMPRESSION_ZLIB, HTTP_SWF_COMPRESSION_LZMA, HTTP_SWF_COMPRESSION_BOTH }

Functions
struct HtpBodyChunk_	__attribute__ ((__packed__))
	DNP3 link header. More...
	SC_ATOMIC_EXTERN (uint32_t, htp_config_flags)
void	RegisterHTPParsers (void)
	Register the HTTP protocol and state handling functions to APP layer of the engine. More...
void	HTPParserRegisterTests (void)
	Register the Unit tests for the HTTP protocol. 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	HtpBodyPrint (HtpBody *)
	Print the information and chunks of a Body. More...
void	HtpBodyFree (HtpBody *)
	Free the information held in the request body. More...
void	HTPStateFree (void *)
	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	AppLayerHtpPrintStats (void)
void	HTPConfigure (void)
void	HtpConfigCreateBackup (void)
void	HtpConfigRestoreBackup (void)

Variables
struct HtpBodyChunk_ *	next
int	logged
StreamingBufferSegment	sbseg

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

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

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

Definition in file app-layer-htp.h.

Variable Documentation

logged

int logged

Definition at line 3 of file app-layer-htp.h.

next

struct HtpBodyChunk_* next

Pointer to the next chunk

Definition at line 2 of file app-layer-htp.h.

Referenced by ActionInitConfig(), AFPPeersListClean(), BuildCpusetWithCallback(), CleanupPcapFileDirectoryVars(), CleanVariableResolveList(), ConfFindDeviceConfig(), ConfNodeDump(), ConfNodeFree(), ConfNodeLookupChild(), ConfNodeLookupKeyValue(), ConfNodePrune(), ConfNodeRemove(), DatasetsInit(), DetectAddressTestConfVars(), DetectEngineAppInspectionEngine2Signature(), DetectEngineAppInspectionEngineSignatureFree(), DetectPortCleanupList(), DetectPortTestConfVars(), DetectRunPrefilterTx(), DetectVarProcessListInternal(), FileContainerFree(), FileContainerRecycle(), FileForceHashParseCfg(), HtpBodyPrune(), IPOnlyCIDRListFree(), LiveBuildDeviceListCustom(), LiveDeviceFinalize(), LiveDeviceForEach(), LiveDeviceListClean(), LiveGetDevice(), LiveGetDeviceCount(), LiveGetDeviceName(), LiveGetDeviceNameCount(), LiveGetDeviceNameName(), LiveRegisterDeviceName(), OutputEmailInitConf(), OutputUnregisterFileRotationFlag(), ROHashInitFinalize(), ROHashInitQueueValue(), SCLogLoadConfig(), StreamTcpSackUpdatePacket(), TmqDebugList(), TmqGetQueueByName(), TmqResetQueues(), and TmValidateQueueState().

sbseg

StreamingBufferSegment sbseg

Definition at line 4 of file app-layer-htp.h.