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/* Copyright (C) 2007-2010 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \file
*
* \author Victor Julien <victor@inliniac.net>
*/
#ifndef __DETECT_ENGINE_H__
#define __DETECT_ENGINE_H__
#include "detect.h"
#include "tm-threads.h"
#include "flow-private.h"
typedef struct DetectEngineAppInspectionEngine_ {
uint8_t ipproto;
AppProto alproto;
uint16_t dir;
int32_t sm_list;
uint32_t inspect_flags;
/* \retval 0 No match. Don't discontinue matching yet. We need more data.
* 1 Match.
* 2 Sig can't match.
* 3 Special value used by filestore sigs to indicate disabling
* filestore for the tx.
*/
int (*Callback)(ThreadVars *tv,
DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx,
Signature *sig, Flow *f, uint8_t flags, void *alstate,
void *tx, uint64_t tx_id);
struct DetectEngineAppInspectionEngine_ *next;
} DetectEngineAppInspectionEngine;
extern DetectEngineAppInspectionEngine *app_inspection_engine[FLOW_PROTO_DEFAULT][ALPROTO_MAX][2];
/* prototypes */
void DetectEngineRegisterAppInspectionEngines(void);
DetectEngineCtx *DetectEngineCtxInitWithPrefix(const char *prefix);
DetectEngineCtx *DetectEngineCtxInit(void);
DetectEngineCtx *DetectEngineCtxInitMinimal(void);
void DetectEngineCtxFree(DetectEngineCtx *);
TmEcode DetectEngineThreadCtxInit(ThreadVars *, void *, void **);
TmEcode DetectEngineThreadCtxDeinit(ThreadVars *, void *);
//inline uint32_t DetectEngineGetMaxSigId(DetectEngineCtx *);
/* faster as a macro than a inline function on my box -- VJ */
#define DetectEngineGetMaxSigId(de_ctx) ((de_ctx)->signum)
void DetectEngineResetMaxSigId(DetectEngineCtx *);
void DetectEngineRegisterTests(void);
const char *DetectSigmatchListEnumToString(enum DetectSigmatchListEnum type);
int DetectEngineAddToMaster(DetectEngineCtx *de_ctx);
DetectEngineCtx *DetectEngineGetCurrent(void);
DetectEngineCtx *DetectEngineGetByTenantId(int tenant_id);
void DetectEnginePruneFreeList(void);
int DetectEngineMoveToFreeList(DetectEngineCtx *de_ctx);
DetectEngineCtx *DetectEngineReference(DetectEngineCtx *);
void DetectEngineDeReference(DetectEngineCtx **de_ctx);
int DetectEngineReload(const char *filename, SCInstance *suri);
int DetectEngineEnabled(void);
int DetectEngineMTApply(void);
int DetectEngineMultiTenantEnabled(void);
void DetectEngineMultiTenantSetup(void);
int DetectEngineReloadStart(void);
int DetectEngineReloadIsStart(void);
void DetectEngineReloadSetDone(void);
int DetectEngineReloadIsDone(void);
int DetectEngineLoadTenantBlocking(uint32_t tenant_id, const char *yaml);
int DetectEngineReloadTenantBlocking(uint32_t tenant_id, const char *yaml, int reload_cnt);
int DetectEngineTentantRegisterVlanId(uint32_t tenant_id, uint16_t vlan_id);
int DetectEngineTentantUnregisterVlanId(uint32_t tenant_id, uint16_t vlan_id);
int DetectEngineTentantRegisterPcapFile(uint32_t tenant_id);
int DetectEngineTentantUnregisterPcapFile(uint32_t tenant_id);
/**
* \brief Registers an app inspection engine.
*
* \param alproto App layer protocol for which we will register the engine.
* \param direction The direction for the engine. 0 - toserver; 1- toclient.
* \param sm_list The SigMatch list against which the engine works.
* \param inspect_flags The inspection flags to be used by de_state
* against the engine.
* \param match_flags The match flags to be used by de_state in tandem with
* the inpsect_flags.
* \param Callback The engine callback.
*/
void DetectEngineRegisterAppInspectionEngine(uint8_t ipproto,
AppProto alproto,
uint16_t direction,
int32_t sm_list,
uint32_t inspect_flags,
int (*Callback)(ThreadVars *tv,
DetectEngineCtx *de_ctx,
DetectEngineThreadCtx *det_ctx,
Signature *sig, Flow *f,
uint8_t flags, void *alstate,
void *tx, uint64_t tx_id),
DetectEngineAppInspectionEngine *list[][ALPROTO_MAX][2]);
#endif /* __DETECT_ENGINE_H__ */
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