int ScriptApiSecurity::sl_os_rename(lua_State *L)
{
luaL_checktype(L, 1, LUA_TSTRING);
const char *path1 = lua_tostring(L, 1);
CHECK_SECURE_PATH(L, path1);
luaL_checktype(L, 2, LUA_TSTRING);
const char *path2 = lua_tostring(L, 2);
CHECK_SECURE_PATH(L, path2);
push_original(L, "os", "rename");
lua_pushvalue(L, 1);
lua_pushvalue(L, 2);
lua_call(L, 2, 2);
return 2;
}
// mkdir(path)
int ModApiUtil::l_mkdir(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
const char *path = luaL_checkstring(L, 1);
CHECK_SECURE_PATH(L, path, true);
lua_pushboolean(L, fs::CreateAllDirs(path));
return 1;
}
int ScriptApiSecurity::sl_io_output(lua_State *L)
{
if (lua_isstring(L, 1)) {
const char *path = lua_tostring(L, 1);
CHECK_SECURE_PATH(L, path);
}
push_original(L, "io", "output");
lua_pushvalue(L, 1);
lua_call(L, 1, 1);
return 1;
}
int ScriptApiSecurity::sl_io_open(lua_State *L)
{
luaL_checktype(L, 1, LUA_TSTRING);
const char *path = lua_tostring(L, 1);
CHECK_SECURE_PATH(L, path);
push_original(L, "io", "open");
lua_pushvalue(L, 1);
lua_pushvalue(L, 2);
lua_call(L, 2, 2);
return 2;
}
int ScriptApiSecurity::sl_io_lines(lua_State *L)
{
if (lua_isstring(L, 1)) {
const char *path = lua_tostring(L, 1);
CHECK_SECURE_PATH(L, path);
}
push_original(L, "io", "lines");
lua_pushvalue(L, 1);
int top_precall = lua_gettop(L);
lua_call(L, 1, LUA_MULTRET);
// Return number of arguments returned by the function,
// adjusting for the function being poped.
return lua_gettop(L) - (top_precall - 1);
}
int ScriptApiSecurity::sl_g_loadfile(lua_State *L)
{
const char *path = NULL;
if (lua_isstring(L, 1)) {
path = lua_tostring(L, 1);
CHECK_SECURE_PATH(L, path);
}
if (!safeLoadFile(L, path)) {
lua_pushnil(L);
lua_insert(L, -2);
return 2;
}
return 1;
}
// get_dir_list(path, is_dir)
int ModApiUtil::l_get_dir_list(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
const char *path = luaL_checkstring(L, 1);
short is_dir = lua_isboolean(L, 2) ? lua_toboolean(L, 2) : -1;
CHECK_SECURE_PATH(L, path, false);
std::vector<fs::DirListNode> list = fs::GetDirListing(path);
int index = 0;
lua_newtable(L);
for (size_t i = 0; i < list.size(); i++) {
if (is_dir == -1 || is_dir == list[i].dir) {
lua_pushstring(L, list[i].name.c_str());
lua_rawseti(L, -2, ++index);
}
}
return 1;
}
// get_dir_list(path, is_dir)
int ModApiUtil::l_get_dir_list(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
const char *path = luaL_checkstring(L, 1);
bool list_all = !lua_isboolean(L, 2); // if its not a boolean list all
bool list_dirs = lua_toboolean(L, 2); // true: list dirs, false: list files
CHECK_SECURE_PATH(L, path, false);
std::vector<fs::DirListNode> list = fs::GetDirListing(path);
int index = 0;
lua_newtable(L);
for (size_t i = 0; i < list.size(); i++) {
if (list_all || list_dirs == list[i].dir) {
lua_pushstring(L, list[i].name.c_str());
lua_rawseti(L, -2, ++index);
}
}
return 1;
}
// create_schematic(p1, p2, probability_list, filename, y_slice_prob_list)
int ModApiMapgen::l_create_schematic(lua_State *L)
{
MAP_LOCK_REQUIRED;
INodeDefManager *ndef = getServer(L)->getNodeDefManager();
const char *filename = luaL_checkstring(L, 4);
CHECK_SECURE_PATH(L, filename, true);
Map *map = &(getEnv(L)->getMap());
Schematic schem;
v3s16 p1 = check_v3s16(L, 1);
v3s16 p2 = check_v3s16(L, 2);
sortBoxVerticies(p1, p2);
std::vector<std::pair<v3s16, u8> > prob_list;
if (lua_istable(L, 3)) {
lua_pushnil(L);
while (lua_next(L, 3)) {
if (lua_istable(L, -1)) {
lua_getfield(L, -1, "pos");
v3s16 pos = check_v3s16(L, -1);
lua_pop(L, 1);
u8 prob = getintfield_default(L, -1, "prob", MTSCHEM_PROB_ALWAYS);
prob_list.emplace_back(pos, prob);
}
lua_pop(L, 1);
}
}
std::vector<std::pair<s16, u8> > slice_prob_list;
if (lua_istable(L, 5)) {
lua_pushnil(L);
while (lua_next(L, 5)) {
if (lua_istable(L, -1)) {
s16 ypos = getintfield_default(L, -1, "ypos", 0);
u8 prob = getintfield_default(L, -1, "prob", MTSCHEM_PROB_ALWAYS);
slice_prob_list.emplace_back(ypos, prob);
}
lua_pop(L, 1);
}
}
if (!schem.getSchematicFromMap(map, p1, p2)) {
errorstream << "create_schematic: failed to get schematic "
"from map" << std::endl;
return 0;
}
schem.applyProbabilities(p1, &prob_list, &slice_prob_list);
schem.saveSchematicToFile(filename, ndef);
actionstream << "create_schematic: saved schematic file '"
<< filename << "'." << std::endl;
lua_pushboolean(L, true);
return 1;
}
