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 "system_process_status_change_stub.h"
17
18 #include "errors.h"
19 #include "ipc_object_stub.h"
20 #include "ipc_types.h"
21 #include "message_option.h"
22 #include "message_parcel.h"
23 #include "refbase.h"
24 #include "sam_log.h"
25
26 namespace OHOS {
SystemProcessStatusChangeStub()27 SystemProcessStatusChangeStub::SystemProcessStatusChangeStub()
28 {
29 memberFuncMap_[ON_SYSTEM_PROCESS_STARTED] =
30 &SystemProcessStatusChangeStub::OnSystemProcessStartedInner;
31 memberFuncMap_[ON_SYSTEM_PROCESS_STOPPED] =
32 &SystemProcessStatusChangeStub::OnSystemProcessStoppedInner;
33 }
34
OnRemoteRequest(uint32_t code,MessageParcel & data,MessageParcel & reply,MessageOption & option)35 int32_t SystemProcessStatusChangeStub::OnRemoteRequest(uint32_t code,
36 MessageParcel& data, MessageParcel& reply, MessageOption& option)
37 {
38 HILOGI("SystemProcessStatusChangeStub::code:%{public}u, flags:%{public}d", code, option.GetFlags());
39 if (!EnforceInterceToken(data)) {
40 HILOGW("check interface token failed!");
41 return ERR_PERMISSION_DENIED;
42 }
43 auto iter = memberFuncMap_.find(code);
44 if (iter != memberFuncMap_.end()) {
45 auto memberFunc = iter->second;
46 if (memberFunc != nullptr) {
47 return (this->*memberFunc)(data, reply);
48 }
49 }
50 HILOGW("unknown request code!");
51 return IPCObjectStub::OnRemoteRequest(code, data, reply, option);
52 }
53
OnSystemProcessStartedInner(MessageParcel & data,MessageParcel & reply)54 int32_t SystemProcessStatusChangeStub::OnSystemProcessStartedInner(MessageParcel& data, MessageParcel& reply)
55 {
56 SystemProcessInfo systemProcessInfo;
57 systemProcessInfo.processName = data.ReadString();
58 if (systemProcessInfo.processName.empty()) {
59 HILOGW("read processName failed!");
60 return ERR_NULL_OBJECT;
61 }
62 systemProcessInfo.pid = data.ReadInt32();
63 OnSystemProcessStarted(systemProcessInfo);
64 return ERR_NONE;
65 }
66
OnSystemProcessStoppedInner(MessageParcel & data,MessageParcel & reply)67 int32_t SystemProcessStatusChangeStub::OnSystemProcessStoppedInner(MessageParcel& data, MessageParcel& reply)
68 {
69 SystemProcessInfo systemProcessInfo;
70 systemProcessInfo.processName = data.ReadString();
71 if (systemProcessInfo.processName.empty()) {
72 HILOGW("read processName failed!");
73 return ERR_NULL_OBJECT;
74 }
75 systemProcessInfo.pid = data.ReadInt32();
76 OnSystemProcessStopped(systemProcessInfo);
77 return ERR_NONE;
78 }
79
EnforceInterceToken(MessageParcel & data)80 bool SystemProcessStatusChangeStub::EnforceInterceToken(MessageParcel& data)
81 {
82 std::u16string interfaceToken = data.ReadInterfaceToken();
83 return interfaceToken == GetDescriptor();
84 }
85 }
86