[Minor] Add multiple regexp maps support in lua

src/lua/lua_common.h

@@ -94,6 +94,7 @@ enum rspamd_lua_map_type {
 	RSPAMD_LUA_MAP_SET,
 	RSPAMD_LUA_MAP_HASH,
 	RSPAMD_LUA_MAP_REGEXP,
+	RSPAMD_LUA_MAP_REGEXP_MULTIPLE,
 	RSPAMD_LUA_MAP_CALLBACK
 };
 

src/lua/lua_map.c

@@ -476,6 +476,21 @@ lua_config_add_map (lua_State *L)
 				return 1;
 			}
 		}
+		else if (strcmp (type, "regexp_multi") == 0) {
+			map = rspamd_mempool_alloc0 (cfg->cfg_pool, sizeof (*map));
+			map->data.re_map = NULL;
+			map->type = RSPAMD_LUA_MAP_REGEXP_MULTIPLE;
+
+			if ((m = rspamd_map_add_from_ucl (cfg, map_obj, description,
+					rspamd_regexp_list_read_multiple,
+					rspamd_regexp_list_fin,
+					(void **) &map->data.re_map)) == NULL) {
+				lua_pushnil (L);
+				ucl_object_unref (map_obj);
+
+				return 1;
+			}
+		}
 		else {
 			ret = luaL_error (L, "invalid arguments: unknown type '%s'", type);
 			ucl_object_unref (map_obj);
@@ -615,6 +630,31 @@ lua_map_get_key (lua_State * L)
 				}
 			}
 		}
+		else if (map->type == RSPAMD_LUA_MAP_REGEXP_MULTIPLE) {
+			GPtrArray *ar;
+			guint i;
+			const gchar *val;
+
+			key = lua_map_process_string_key (L, 2, &len);
+
+			if (key && map->data.re_map) {
+				ar = rspamd_match_regexp_map_all (map->data.re_map, key,
+						len);
+
+				if (ar) {
+					lua_createtable (L, ar->len, 0);
+
+					PTR_ARRAY_FOREACH (ar, i, val) {
+						lua_pushstring (L, val);
+						lua_rawseti (L, -2, i + 1);
+					}
+
+					g_ptr_array_free (ar, TRUE);
+
+					return 1;
+				}
+			}
+		}
 		else if (map->type == RSPAMD_LUA_MAP_HASH) {
 			/* key-value map */
 			key = lua_map_process_string_key (L, 2, &len);