1 /*
2 * Copyright (c) 2024 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 "netstack_bundle_utils.h"
17
18 #include <dlfcn.h>
19
20 #include "netstack_log.h"
21
22 namespace OHOS::NetStack::BundleUtils {
23
24 #ifdef __LP64__
25 const std::string LIB_NET_BUNDL_UTILS_SO_PATH = "/system/lib64/libnet_bundle_utils.z.so";
26 #else
27 const std::string LIB_NET_BUNDL_UTILS_SO_PATH = "/system/lib/libnet_bundle_utils.z.so";
28 #endif
29
30 using IsAtomicServiceFunc = bool (*)(std::string&);
31
IsAtomicService(std::string & bundleName)32 __attribute__((no_sanitize("cfi"))) bool IsAtomicService(std::string &bundleName)
33 {
34 void *handler = dlopen(LIB_NET_BUNDL_UTILS_SO_PATH.c_str(), RTLD_NOW);
35 if (handler == nullptr) {
36 const char *err = dlerror();
37 NETSTACK_LOGE("load failed, reason: %{public}s", err ? err : "unknown");
38 return false;
39 }
40 IsAtomicServiceFunc func = (IsAtomicServiceFunc) dlsym(handler, "IsAtomicService");
41 if (func == nullptr) {
42 const char *err = dlerror();
43 NETSTACK_LOGE("dlsym IsAtomicService failed, reason: %{public}s", err ? err : "unknown");
44 dlclose(handler);
45 return false;
46 }
47 auto ret = func(bundleName);
48 NETSTACK_LOGD("netBundleUtils IsAtomicService result=%{public}d, bundle_name=%{public}s", ret, bundleName.c_str());
49 dlclose(handler);
50 return ret;
51 }
52 }