1 /*
2 * Copyright (C) 2022 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 "netmanager_base_permission.h"
17
18 #include "ipc_skeleton.h"
19 #include "accesstoken_kit.h"
20
21 #include "net_mgr_log_wrapper.h"
22
23 namespace OHOS {
24 namespace NetManagerStandard {
25 /**
26 * @brief Permission check by callingTokenID.
27 * @param permissionName permission name.
28 * @return Returns true on success, false on failure.
29 */
CheckPermission(const std::string & permissionName)30 bool NetManagerPermission::CheckPermission(const std::string &permissionName)
31 {
32 if (permissionName.empty()) {
33 NETMGR_LOG_E("permission check failed，permission name is empty.");
34 return false;
35 }
36
37 auto callerToken = IPCSkeleton::GetCallingTokenID();
38 auto tokenType = Security::AccessToken::AccessTokenKit::GetTokenTypeFlag(callerToken);
39 int result = Security::AccessToken::PERMISSION_DENIED;
40
41 if (tokenType == Security::AccessToken::ATokenTypeEnum::TOKEN_NATIVE) {
42 result = Security::AccessToken::AccessTokenKit::VerifyNativeToken(callerToken, permissionName);
43 } else if (tokenType == Security::AccessToken::ATokenTypeEnum::TOKEN_HAP) {
44 result = Security::AccessToken::AccessTokenKit::VerifyAccessToken(callerToken, permissionName);
45 } else {
46 NETMGR_LOG_E("permission check failed, callerToken:%{public}u, tokenType:%{public}d",
47 callerToken, tokenType);
48 }
49
50 if (result != Security::AccessToken::PERMISSION_GRANTED) {
51 NETMGR_LOG_E("permission check failed, permission:%{public}s, callerToken:%{public}u, tokenType:%{public}d",
52 permissionName.c_str(), callerToken, tokenType);
53 return false;
54 }
55 return true;
56 }
57 } // namespace NetManagerStandard
58 } // namespace OHOS