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113 lines
2.9 KiB
C
113 lines
2.9 KiB
C
/* Copyright (C) 2014-2021 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Victor Julien <victor@inliniac.net>
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*
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* Common function for Lua Output
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*/
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#include "suricata-common.h"
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#include "threads.h"
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#include "threadvars.h"
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#include "output.h"
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#include "util-conf.h"
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#include "lua.h"
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#include "util-lua.h"
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#include "util-lua-common.h"
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int LuaCallbackError(lua_State *luastate, const char *msg)
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{
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lua_pushnil(luastate);
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lua_pushstring(luastate, msg);
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return 2;
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}
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const char *LuaGetStringArgument(lua_State *luastate, int idx)
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{
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/* get argument */
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if (!lua_isstring(luastate, idx))
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return NULL;
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const char *str = lua_tostring(luastate, idx);
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if (str == NULL)
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return NULL;
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if (strlen(str) == 0)
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return NULL;
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return str;
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}
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void LuaPushTableKeyValueInt(lua_State *luastate, const char *key, int value)
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{
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lua_pushstring(luastate, key);
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lua_pushnumber(luastate, value);
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lua_settable(luastate, -3);
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}
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void LuaPushTableKeyValueBoolean(lua_State *luastate, const char *key, bool value)
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{
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lua_pushstring(luastate, key);
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lua_pushboolean(luastate, value);
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lua_settable(luastate, -3);
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}
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/** \brief Push a key plus string value to the stack
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*
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* If value is NULL, string "(null")" will be put on the stack.
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*/
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void LuaPushTableKeyValueString(lua_State *luastate, const char *key, const char *value)
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{
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lua_pushstring(luastate, key);
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lua_pushstring(luastate, value ? value : "(null)");
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lua_settable(luastate, -3);
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}
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/** \brief Push a key plus string value with length to the stack.
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*/
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void LuaPushTableKeyValueLString(
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lua_State *luastate, const char *key, const char *value, size_t len)
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{
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lua_pushstring(luastate, key);
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lua_pushlstring(luastate, value, len);
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lua_settable(luastate, -3);
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}
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void LuaPushTableKeyValueArray(
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lua_State *luastate, const char *key, const uint8_t *value, size_t len)
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{
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lua_pushstring(luastate, key);
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LuaPushStringBuffer(luastate, value, len);
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lua_settable(luastate, -3);
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}
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int LuaStateNeedProto(lua_State *luastate, AppProto alproto)
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{
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AppProto flow_alproto = 0;
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Flow *flow = LuaStateGetFlow(luastate);
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if (flow == NULL)
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return LuaCallbackError(luastate, "internal error: no flow");
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flow_alproto = flow->alproto;
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return (alproto == flow_alproto);
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}
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