Snort_AIPreproc/include/sfPolicyUserData.h

145 lines
3.9 KiB
C

/****************************************************************************
* Copyright (C) 2008-2010 Sourcefire, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License Version 2 as
* published by the Free Software Foundation. You may not use, modify or
* distribute this program under any other version of the GNU General
* Public License.
*
* 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
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
****************************************************************************/
#ifndef _SF_POLICY_USER_DATA_H_
#define _SF_POLICY_USER_DATA_H_
#include "sf_ip.h"
#include "ipv6_port.h"
#include "sfPolicy.h"
#include "sf_dynamic_preprocessor.h"
extern DynamicPreprocessorData _dpd;
typedef struct
{
/**policy id of configuration file or packet being processed.
*/
tSfPolicyId currentPolicyId;
/**Number of policies currently allocated.
*/
unsigned int numAllocatedPolicies;
/**Number of policies active. Since we use an array of policy pointers,
* number of allocated policies may be more than active policies. */
unsigned int numActivePolicies;
/**user configuration for a policy. This is a pointer to an array of pointers
* to user configuration.
*/
void **userConfig;
} tSfPolicyUserContext;
typedef tSfPolicyUserContext * tSfPolicyUserContextId;
tSfPolicyUserContextId sfPolicyConfigCreate(
void
);
void sfPolicyConfigDelete(
tSfPolicyUserContextId pContext
);
//Functions for setting, getting and clearing policy ids
static INLINE void sfPolicyUserPolicySet (
tSfPolicyUserContextId pContext,
tSfPolicyId policyId
)
{
pContext->currentPolicyId = policyId;
}
static INLINE tSfPolicyId sfPolicyUserPolicyGet (
tSfPolicyUserContextId pContext
)
{
return pContext->currentPolicyId;
}
static INLINE unsigned int sfPolicyUserPolicyGetActive (
tSfPolicyUserContextId pContext
)
{
return (pContext->numActivePolicies);
}
//Functions for setting, getting and clearing user data specific to policies.
int sfPolicyUserDataSet (
tSfPolicyUserContextId pContext,
tSfPolicyId policyId,
void *config
);
static INLINE void * sfPolicyUserDataGet (
tSfPolicyUserContextId pContext,
tSfPolicyId policyId
)
{
if ((pContext != NULL) && (policyId < pContext->numAllocatedPolicies))
{
return pContext->userConfig[policyId];
}
return NULL;
}
static INLINE int sfPolicyUserDataSetDefault (
tSfPolicyUserContextId pContext,
void *config
)
{
return sfPolicyUserDataSet (pContext, _dpd.getDefaultPolicy(), config);
}
static INLINE void * sfPolicyUserDataGetDefault (
tSfPolicyUserContextId pContext
)
{
return sfPolicyUserDataGet (pContext, _dpd.getDefaultPolicy());
}
static INLINE int sfPolicyUserDataSetCurrent (
tSfPolicyUserContextId pContext,
void *config
)
{
return sfPolicyUserDataSet (pContext, pContext->currentPolicyId, config);
}
static INLINE void * sfPolicyUserDataGetCurrent (
tSfPolicyUserContextId pContext
)
{
return sfPolicyUserDataGet (pContext, pContext->currentPolicyId);
}
void * sfPolicyUserDataClear (
tSfPolicyUserContextId pContext,
tSfPolicyId policyId
);
int sfPolicyUserDataIterate (
tSfPolicyUserContextId pContext,
int (*callback)(tSfPolicyUserContextId pContext, tSfPolicyId policyId, void* config)
);
#endif