1 /*
2 * Copyright (c) 2025 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <cerrno>
17 #include "bootstage.h"
18 #include "init_log.h"
19 #include "init_module_engine.h"
20
HandleModuleUpdate(void)21 static void HandleModuleUpdate(void)
22 {
23 pid_t pid = fork();
24 if (pid < 0) {
25 INIT_LOGE("HandleModuleUpdate, fork fail.");
26 } else if (pid == 0) {
27 INIT_LOGI("HandleModuleUpdate, exec chekc_module_update.");
28 int ret = execv("/system/bin/check_module_update_init", nullptr);
29 if (ret != 0) {
30 INIT_LOGE("exec error, ret = [%d], err = [%s].", ret, strerror(errno));
31 }
32 _exit(0);
33 }
34 }
35
CheckModuleUpdate(const HOOK_INFO * hookInfo,void * ctx)36 static int CheckModuleUpdate(const HOOK_INFO *hookInfo, void *ctx)
37 {
38 INIT_LOGI("check_module_update start.");
39 static bool isExecuted = false;
40 if (isExecuted) {
41 INIT_LOGI("check_module_update has been executed.");
42 return 0;
43 }
44 isExecuted = true;
45 HandleModuleUpdate();
46 return 0;
47 }
48
InitBootCompleted(const HOOK_INFO * hookInfo,void * ctx)49 static int InitBootCompleted(const HOOK_INFO *hookInfo, void *ctx)
50 {
51 INIT_LOGI("boot completed, uninstall module_update_init.");
52 AutorunModuleMgrUnInstall("module_update_init");
53 return 0;
54 }
55
MODULE_CONSTRUCTOR(void)56 MODULE_CONSTRUCTOR(void)
57 {
58 INIT_LOGI("module_update_init add hookMgr.");
59 HookMgrAdd(GetBootStageHookMgr(), INIT_MOUNT_STAGE, 0, CheckModuleUpdate);
60 HookMgrAdd(GetBootStageHookMgr(), INIT_BOOT_COMPLETE, 0, InitBootCompleted);
61 }
62
MODULE_DESTRUCTOR(void)63 MODULE_DESTRUCTOR(void)
64 {
65 INIT_LOGI("module_update_init destroy.");
66 HookMgrDel(GetBootStageHookMgr(), INIT_MOUNT_STAGE, CheckModuleUpdate);
67 HookMgrDel(GetBootStageHookMgr(), INIT_BOOT_COMPLETE, InitBootCompleted);
68 }
69