/* 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);

}