1 /*
2 * Copyright (c) 2023 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 "check_module_update.h"
17
18 #include <cstring>
19 #include "module_update.h"
20 #include "securec.h"
21
22 #ifdef __cplusplus
23 #if __cplusplus
24 extern "C" {
25 #endif
26 #endif
27
28 namespace {
29 constexpr int SA_ARG_COUNT = 2;
30 constexpr const char *SA_PATH = "/system/bin/sa_main";
31 }
32
CheckModuleUpdate(int argc,char ** argv)33 char *CheckModuleUpdate(int argc, char **argv)
34 {
35 if (argc >= SA_ARG_COUNT && std::strcmp(argv[0], SA_PATH) == 0) {
36 OHOS::SysInstaller::ModuleUpdate update;
37 std::string updateResult = update.CheckModuleUpdate(argv[1]);
38 if (updateResult.empty()) {
39 return nullptr;
40 }
41 size_t length = updateResult.size() + 1;
42 char *result = new (std::nothrow) char[length];
43 if (result == nullptr) {
44 return nullptr;
45 }
46 errno_t ret = strcpy_s(result, length, updateResult.c_str());
47 if (ret != EOK) {
48 return nullptr;
49 }
50 return result;
51 }
52 return nullptr;
53 }
54
55 #ifdef __cplusplus
56 #if __cplusplus
57 }
58 #endif
59 #endif