suricata
util-lua-config.c
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1 /* Copyright (C) 2025 Open Information Security Foundation
2  *
3  * You can copy, redistribute or modify this Program under the terms of
4  * the GNU General Public License version 2 as published by the Free
5  * Software Foundation.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * version 2 along with this program; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15  * 02110-1301, USA.
16  */
17 
18 /**
19  * \file
20  *
21  * Configuration API for Lua.
22  *
23  * local config = require("suricata.config")
24  */
25 
26 #include "suricata-common.h"
27 #include "util-lua-config.h"
28 #include "conf.h"
29 #include "util-conf.h"
30 #include "app-layer-protos.h"
31 #include "util-lua-common.h"
32 #include "util-lua.h"
33 
34 #include "lauxlib.h"
35 
36 static int LuaConfigLogPath(lua_State *L)
37 {
38  const char *ld = SCConfigGetLogDirectory();
39  if (ld == NULL)
40  return LuaCallbackError(L, "internal error: no log dir");
41 
42  return LuaPushStringBuffer(L, (const uint8_t *)ld, strlen(ld));
43 }
44 
45 static const luaL_Reg configlib[] = {
46  // clang-format off
47  { "log_path", LuaConfigLogPath },
48  { NULL, NULL },
49  // clang-format on
50 };
51 
53 {
54  luaL_newlib(L, configlib);
55  return 1;
56 }
util-lua-common.h
util-lua.h
LuaCallbackError
int LuaCallbackError(lua_State *luastate, const char *msg)
Definition: util-lua-common.c:39
lua_State
struct lua_State lua_State
Definition: suricata-common.h:523
SCConfigGetLogDirectory
const char * SCConfigGetLogDirectory(void)
Definition: util-conf.c:38
conf.h
util-conf.h
suricata-common.h
app-layer-protos.h
util-lua-config.h
SCLuaLoadConfigLib
int SCLuaLoadConfigLib(lua_State *L)
Definition: util-lua-config.c:52
LuaPushStringBuffer
int LuaPushStringBuffer(lua_State *luastate, const uint8_t *input, size_t input_len)
Definition: util-lua.c:319