/* Copyright (C) 2007-2022 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>

 *

 * Functions to expose to the lua scripts.

 */

#include "suricata-common.h"

#include "decode.h"

#include "detect.h"

#include "flow.h"

#include "util-debug.h"

#include "detect-lua.h"

#include "rust.h"

#include "app-layer-parser.h"

#include "util-lua.h"

#include "util-lua-common.h"

#include "detect-lua-extensions.h"

/* Lua registry key for DetectLuaData. */

const char luaext_key_ld[] = "suricata:luadata";

void LuaExtensionsMatchSetup(lua_State *lua_state, DetectLuaData *ld,

        DetectEngineThreadCtx *det_ctx, Flow *f, Packet *p, const Signature *s, uint8_t flags)

{

    SCLogDebug("det_ctx %p, f %p", det_ctx, f);

    LuaStateSetSignature(lua_state, s);

    LuaStateSetFlow(lua_state, f);

    LuaStateSetDetCtx(lua_state, det_ctx);

    if (det_ctx->tx_id_set) {

        if (f && f->alstate) {

            void *txptr = AppLayerParserGetTx(f->proto, f->alproto, f->alstate, det_ctx->tx_id);

            if (txptr) {

                LuaStateSetTX(lua_state, txptr, det_ctx->tx_id);

            }

        }

    }

    if (p != NULL)

        LuaStateSetPacket(lua_state, p);

    LuaStateSetDirection(lua_state, (flags & STREAM_TOSERVER));

}