1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "AppOpsService" 18 19 #include <binder/IAppOpsService.h> 20 21 #include <utils/Debug.h> 22 #include <utils/Log.h> 23 #include <binder/Parcel.h> 24 #include <utils/String8.h> 25 26 #include <private/binder/Static.h> 27 28 namespace android { 29 30 // ---------------------------------------------------------------------- 31 32 class BpAppOpsService : public BpInterface<IAppOpsService> 33 { 34 public: 35 BpAppOpsService(const sp<IBinder>& impl) 36 : BpInterface<IAppOpsService>(impl) 37 { 38 } 39 40 virtual int32_t checkOperation(int32_t code, int32_t uid, const String16& packageName) { 41 Parcel data, reply; 42 data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); 43 data.writeInt32(code); 44 data.writeInt32(uid); 45 data.writeString16(packageName); 46 remote()->transact(CHECK_OPERATION_TRANSACTION, data, &reply); 47 // fail on exception 48 if (reply.readExceptionCode() != 0) return MODE_ERRORED; 49 return reply.readInt32(); 50 } 51 52 virtual int32_t noteOperation(int32_t code, int32_t uid, const String16& packageName) { 53 Parcel data, reply; 54 data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); 55 data.writeInt32(code); 56 data.writeInt32(uid); 57 data.writeString16(packageName); 58 remote()->transact(NOTE_OPERATION_TRANSACTION, data, &reply); 59 // fail on exception 60 if (reply.readExceptionCode() != 0) return MODE_ERRORED; 61 return reply.readInt32(); 62 } 63 64 virtual int32_t startOperation(int32_t code, int32_t uid, const String16& packageName) { 65 Parcel data, reply; 66 data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); 67 data.writeInt32(code); 68 data.writeInt32(uid); 69 data.writeString16(packageName); 70 remote()->transact(START_OPERATION_TRANSACTION, data, &reply); 71 // fail on exception 72 if (reply.readExceptionCode() != 0) return MODE_ERRORED; 73 return reply.readInt32(); 74 } 75 76 virtual void finishOperation(int32_t code, int32_t uid, const String16& packageName) { 77 Parcel data, reply; 78 data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); 79 data.writeInt32(code); 80 data.writeInt32(uid); 81 data.writeString16(packageName); 82 remote()->transact(FINISH_OPERATION_TRANSACTION, data, &reply); 83 } 84 85 virtual void startWatchingMode(int32_t op, const String16& packageName, 86 const sp<IAppOpsCallback>& callback) { 87 Parcel data, reply; 88 data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); 89 data.writeInt32(op); 90 data.writeString16(packageName); 91 data.writeStrongBinder(callback->asBinder()); 92 remote()->transact(START_WATCHING_MODE_TRANSACTION, data, &reply); 93 } 94 95 virtual void stopWatchingMode(const sp<IAppOpsCallback>& callback) { 96 Parcel data, reply; 97 data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); 98 data.writeStrongBinder(callback->asBinder()); 99 remote()->transact(STOP_WATCHING_MODE_TRANSACTION, data, &reply); 100 } 101 }; 102 103 IMPLEMENT_META_INTERFACE(AppOpsService, "com.android.internal.app.IAppOpsService"); 104 105 // ---------------------------------------------------------------------- 106 107 status_t BnAppOpsService::onTransact( 108 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 109 { 110 //printf("AppOpsService received: "); data.print(); 111 switch(code) { 112 case CHECK_OPERATION_TRANSACTION: { 113 CHECK_INTERFACE(IAppOpsService, data, reply); 114 int32_t code = data.readInt32(); 115 int32_t uid = data.readInt32(); 116 String16 packageName = data.readString16(); 117 int32_t res = checkOperation(code, uid, packageName); 118 reply->writeNoException(); 119 reply->writeInt32(res); 120 return NO_ERROR; 121 } break; 122 case NOTE_OPERATION_TRANSACTION: { 123 CHECK_INTERFACE(IAppOpsService, data, reply); 124 int32_t code = data.readInt32(); 125 int32_t uid = data.readInt32(); 126 String16 packageName = data.readString16(); 127 int32_t res = noteOperation(code, uid, packageName); 128 reply->writeNoException(); 129 reply->writeInt32(res); 130 return NO_ERROR; 131 } break; 132 case START_OPERATION_TRANSACTION: { 133 CHECK_INTERFACE(IAppOpsService, data, reply); 134 int32_t code = data.readInt32(); 135 int32_t uid = data.readInt32(); 136 String16 packageName = data.readString16(); 137 int32_t res = startOperation(code, uid, packageName); 138 reply->writeNoException(); 139 reply->writeInt32(res); 140 return NO_ERROR; 141 } break; 142 case FINISH_OPERATION_TRANSACTION: { 143 CHECK_INTERFACE(IAppOpsService, data, reply); 144 int32_t code = data.readInt32(); 145 int32_t uid = data.readInt32(); 146 String16 packageName = data.readString16(); 147 finishOperation(code, uid, packageName); 148 reply->writeNoException(); 149 return NO_ERROR; 150 } break; 151 case START_WATCHING_MODE_TRANSACTION: { 152 CHECK_INTERFACE(IAppOpsService, data, reply); 153 int32_t op = data.readInt32(); 154 String16 packageName = data.readString16(); 155 sp<IAppOpsCallback> callback = interface_cast<IAppOpsCallback>(data.readStrongBinder()); 156 startWatchingMode(op, packageName, callback); 157 reply->writeNoException(); 158 return NO_ERROR; 159 } break; 160 case STOP_WATCHING_MODE_TRANSACTION: { 161 CHECK_INTERFACE(IAppOpsService, data, reply); 162 sp<IAppOpsCallback> callback = interface_cast<IAppOpsCallback>(data.readStrongBinder()); 163 stopWatchingMode(callback); 164 reply->writeNoException(); 165 return NO_ERROR; 166 } break; 167 default: 168 return BBinder::onTransact(code, data, reply, flags); 169 } 170 } 171 172 }; // namespace android 173
