Add method to get any configuration key in lua.

diff --git a/src/lua/lua_config.c b/src/lua/lua_config.c
index cd95129916f329a61f43ae86b3ec5e7575761067..57c1031c5b4a1eeb3b4dcd2411d62a503c2a4019 100644 (file)
--- a/src/lua/lua_config.c
+++ b/src/lua/lua_config.c
@@ -50,6 +50,7 @@ LUA_FUNCTION_DEF (config, register_pre_filter);
 LUA_FUNCTION_DEF (config, register_post_filter);
 LUA_FUNCTION_DEF (config, register_module_option);
 LUA_FUNCTION_DEF (config, get_api_version);
+LUA_FUNCTION_DEF (config, get_key);
 
 static const struct luaL_reg configlib_m[] = {
        LUA_INTERFACE_DEF (config, get_module_opt),
@@ -70,6 +71,7 @@ static const struct luaL_reg configlib_m[] = {
        LUA_INTERFACE_DEF (config, register_pre_filter),
        LUA_INTERFACE_DEF (config, register_post_filter),
        LUA_INTERFACE_DEF (config, get_api_version),
+       LUA_INTERFACE_DEF (config, get_key),
        {"__tostring", lua_class_tostring},
        {NULL, NULL}
 };
@@ -577,6 +579,31 @@ lua_config_add_kv_map (lua_State *L)
 
 }
 
+static gint
+lua_config_get_key (lua_State *L)
+{
+       struct rspamd_config *cfg = lua_check_config (L);
+       const char *name;
+       size_t namelen;
+       const ucl_object_t *val;
+
+       name = luaL_checklstring(L, 2, &namelen);
+       if (name && cfg) {
+               val = ucl_object_find_keyl(cfg->rcl_obj, name, namelen);
+               if (val != NULL) {
+                       ucl_object_push_lua (L, val, val->type != UCL_ARRAY);
+               }
+               else {
+                       lua_pushnil (L);
+               }
+       }
+       else {
+               lua_pushnil (L);
+       }
+
+       return 1;
+}
+
 struct lua_map_callback_data {
        lua_State *L;
        gint ref;