/* * Copyright (c) 2023 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "napi/native_api.h" #include #include #include #include #include #include #include #include #include #include #define ONEVAL 1 #define MINUSONE (-1) #define TWOVAL 2 #define THRVAL 3 #define MAX_NAMBER 1024 #define NO_ERR 0 #define SUCCESS 1 #define FAIL (-1) #define PARAM_0 0 #define TEN 10 #define ERRON_0 0 static napi_value GetGrNamR(napi_env env, napi_callback_info info) { char buf[512]; struct group grp; struct group *grpResult; int ret = getgrnam_r("invalid_name", &grp, buf, sizeof(buf), &grpResult); if (ret != PARAM_0 || grpResult == nullptr) { ret = FAIL; } napi_value result = nullptr; napi_create_int32(env, ret, &result); return result; } static napi_value GetGroupList(napi_env env, napi_callback_info info) { static int ngroups; struct passwd *pwd; const char *user = "root"; pwd = getpwnam(user); int ret = getgrouplist(user, pwd->pw_gid, nullptr, &ngroups); if (ret != PARAM_0) { ret = FAIL; } napi_value result = nullptr; napi_create_int32(env, ret, &result); return result; } static napi_value Getgrgid(napi_env env, napi_callback_info info) { gid_t gid = MINUSONE; struct group *grp = getgrgid(gid); int ret = PARAM_0; if (grp == nullptr) { ret = FAIL; } napi_value result = nullptr; napi_create_int32(env, ret, &result); return result; } static napi_value Getgrgid_r(napi_env env, napi_callback_info info) { char buf[512]; gid_t gid = MINUSONE; struct group grp; struct group *grpResult; int ret = getgrgid_r(gid, &grp, buf, sizeof(buf), &grpResult); if (ret != PARAM_0 || grpResult == nullptr) { ret = FAIL; } napi_value result = nullptr; napi_create_int32(env, ret, &result); return result; } static napi_value Getgrnam(napi_env env, napi_callback_info info) { struct group *grp = getgrnam("invalid_name"); int ret = PARAM_0; if (grp == nullptr) { ret = FAIL; } napi_value result = nullptr; napi_create_int32(env, ret, &result); return result; } EXTERN_C_START static napi_value Init(napi_env env, napi_value exports) { napi_property_descriptor desc[] = { {"getGrNamR", nullptr, GetGrNamR, nullptr, nullptr, nullptr, napi_default, nullptr}, {"getGroupList", nullptr, GetGroupList, nullptr, nullptr, nullptr, napi_default, nullptr}, {"getgrgid", nullptr, Getgrgid, nullptr, nullptr, nullptr, napi_default, nullptr}, {"getgrgidR", nullptr, Getgrgid_r, nullptr, nullptr, nullptr, napi_default, nullptr}, {"getgrnam", nullptr, Getgrnam, nullptr, nullptr, nullptr, napi_default, nullptr}}; napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc); return exports; } EXTERN_C_END static napi_module demoModule = { .nm_version = 1, .nm_flags = 0, .nm_filename = nullptr, .nm_register_func = Init, .nm_modname = "grp1", .nm_priv = ((void *)0), .reserved = {0}, }; extern "C" __attribute__((constructor)) void RegisterModule(void) { napi_module_register(&demoModule); }