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 "system_ability_load_callback_stub.h"
17
18 #include "ipc_skeleton.h"
19 #include "sam_log.h"
20 #include "system_ability_definition.h"
21
22 namespace OHOS {
OnRemoteRequest(uint32_t code,MessageParcel & data,MessageParcel & reply,MessageOption & option)23 int32_t SystemAbilityLoadCallbackStub::OnRemoteRequest(uint32_t code,
24 MessageParcel& data, MessageParcel& reply, MessageOption& option)
25 {
26 HILOGI("SystemAbilityLoadCallbackStub::OnRemoteRequest, code = %{public}d", code);
27 if (!EnforceInterceToken(data)) {
28 HILOGW("SystemAbilityLoadCallbackStub::OnRemoteRequest check interface token failed!");
29 return ERR_PERMISSION_DENIED;
30 }
31 switch (code) {
32 case ON_LOAD_SYSTEM_ABILITY_SUCCESS:
33 return OnLoadSystemAbilitySuccessInner(data, reply);
34 case ON_LOAD_SYSTEM_ABILITY_FAIL:
35 return OnLoadSystemAbilityFailInner(data, reply);
36 default:
37 HILOGW("SystemAbilityLoadCallbackStub::OnRemoteRequest unknown request code!");
38 return IPCObjectStub::OnRemoteRequest(code, data, reply, option);
39 }
40 }
41
OnLoadSystemAbilitySuccessInner(MessageParcel & data,MessageParcel & reply)42 int32_t SystemAbilityLoadCallbackStub::OnLoadSystemAbilitySuccessInner(MessageParcel& data, MessageParcel& reply)
43 {
44 int32_t systemAbilityId = data.ReadInt32();
45 if (!CheckInputSystemAbilityId(systemAbilityId)) {
46 HILOGW("OnLoadSystemAbilitySuccessInner invalid systemAbilityId:%{public}d !", systemAbilityId);
47 return ERR_INVALID_VALUE;
48 }
49 sptr<IRemoteObject> remoteObject = data.ReadRemoteObject();
50 OnLoadSystemAbilitySuccess(systemAbilityId, remoteObject);
51 return ERR_NONE;
52 }
53
OnLoadSystemAbilityFailInner(MessageParcel & data,MessageParcel & reply)54 int32_t SystemAbilityLoadCallbackStub::OnLoadSystemAbilityFailInner(MessageParcel& data, MessageParcel& reply)
55 {
56 int32_t systemAbilityId = data.ReadInt32();
57 if (!CheckInputSystemAbilityId(systemAbilityId)) {
58 HILOGW("OnLoadSystemAbilityFailInner invalid systemAbilityId:%{public}d !", systemAbilityId);
59 return ERR_INVALID_VALUE;
60 }
61 OnLoadSystemAbilityFail(systemAbilityId);
62 return ERR_NONE;
63 }
64
CheckInputSystemAbilityId(int32_t systemAbilityId)65 bool SystemAbilityLoadCallbackStub::CheckInputSystemAbilityId(int32_t systemAbilityId)
66 {
67 return (systemAbilityId >= FIRST_SYS_ABILITY_ID) && (systemAbilityId <= LAST_SYS_ABILITY_ID);
68 }
69
EnforceInterceToken(MessageParcel & data)70 bool SystemAbilityLoadCallbackStub::EnforceInterceToken(MessageParcel& data)
71 {
72 std::u16string interfaceToken = data.ReadInterfaceToken();
73 return interfaceToken == GetDescriptor();
74 }
75 }
76