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/* Copyright (C) 2020 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 Philippe Antoine <p.antoine@catenacyber.fr>
*
*/
#include "suricata-common.h"
#include "util-byte.h"
#include "detect-parse.h"
#include "detect-engine-uint.h"
int DetectU32Match(const uint32_t parg, const DetectUintData_u32 *du32)
{
return rs_detect_u32_match(parg, du32);
}
/**
* \brief This function is used to parse u32 options passed via some u32 keyword
*
* \param u32str Pointer to the user provided u32 options
*
* \retval DetectU32Data pointer to DetectU32Data on success
* \retval NULL on failure
*/
DetectUintData_u32 *DetectU32Parse(const char *u32str)
{
return rs_detect_u32_parse(u32str);
}
void
PrefilterPacketU32Set(PrefilterPacketHeaderValue *v, void *smctx)
{
const DetectUintData_u32 *a = smctx;
v->u8[0] = a->mode;
v->u32[1] = a->arg1;
v->u32[2] = a->arg2;
}
bool
PrefilterPacketU32Compare(PrefilterPacketHeaderValue v, void *smctx)
{
const DetectUintData_u32 *a = smctx;
if (v.u8[0] == a->mode &&
v.u32[1] == a->arg1 &&
v.u32[2] == a->arg2)
return true;
return false;
}
//same as u32 but with u8
int DetectU8Match(const uint8_t parg, const DetectUintData_u8 *du8)
{
return rs_detect_u8_match(parg, du8);
}
/**
* \brief This function is used to parse u8 options passed via some u8 keyword
*
* \param u8str Pointer to the user provided u8 options
*
* \retval DetectU8Data pointer to DetectU8Data on success
* \retval NULL on failure
*/
DetectUintData_u8 *DetectU8Parse(const char *u8str)
{
return rs_detect_u8_parse(u8str);
}
void PrefilterPacketU8Set(PrefilterPacketHeaderValue *v, void *smctx)
{
const DetectUintData_u8 *a = smctx;
v->u8[0] = a->mode;
v->u8[1] = a->arg1;
v->u8[2] = a->arg2;
}
bool PrefilterPacketU8Compare(PrefilterPacketHeaderValue v, void *smctx)
{
const DetectUintData_u8 *a = smctx;
if (v.u8[0] == a->mode && v.u8[1] == a->arg1 && v.u8[2] == a->arg2)
return true;
return false;
}
// same as u32 but with u16
int DetectU16Match(const uint16_t parg, const DetectUintData_u16 *du16)
{
return rs_detect_u16_match(parg, du16);
}
/**
* \brief This function is used to parse u16 options passed via some u16 keyword
*
* \param u16str Pointer to the user provided u16 options
*
* \retval DetectU16Data pointer to DetectU16Data on success
* \retval NULL on failure
*/
DetectUintData_u16 *DetectU16Parse(const char *u16str)
{
return rs_detect_u16_parse(u16str);
}
void PrefilterPacketU16Set(PrefilterPacketHeaderValue *v, void *smctx)
{
const DetectUintData_u16 *a = smctx;
v->u8[0] = a->mode;
v->u16[1] = a->arg1;
v->u16[2] = a->arg2;
}
bool PrefilterPacketU16Compare(PrefilterPacketHeaderValue v, void *smctx)
{
const DetectUintData_u16 *a = smctx;
if (v.u8[0] == a->mode && v.u16[1] == a->arg1 && v.u16[2] == a->arg2)
return true;
return false;
}
int DetectU64Match(const uint64_t parg, const DetectUintData_u64 *du64)
{
return rs_detect_u64_match(parg, du64);
}
DetectUintData_u64 *DetectU64Parse(const char *u64str)
{
return rs_detect_u64_parse(u64str);
}
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