117 lines
3.7 KiB
C++
117 lines
3.7 KiB
C++
/*
|
|
* Copyright (C) 2013 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include <binder/AppOpsManager.h>
|
|
#include <binder/Binder.h>
|
|
#include <binder/IServiceManager.h>
|
|
|
|
#include <utils/SystemClock.h>
|
|
|
|
namespace android {
|
|
|
|
static String16 _appops("appops");
|
|
static pthread_mutex_t gTokenMutex = PTHREAD_MUTEX_INITIALIZER;
|
|
static sp<IBinder> gToken;
|
|
|
|
static const sp<IBinder>& getToken(const sp<IAppOpsService>& service) {
|
|
pthread_mutex_lock(&gTokenMutex);
|
|
if (gToken == NULL) {
|
|
gToken = service->getToken(new BBinder());
|
|
}
|
|
pthread_mutex_unlock(&gTokenMutex);
|
|
return gToken;
|
|
}
|
|
|
|
AppOpsManager::AppOpsManager()
|
|
{
|
|
}
|
|
|
|
sp<IAppOpsService> AppOpsManager::getService()
|
|
{
|
|
int64_t startTime = 0;
|
|
mLock.lock();
|
|
sp<IAppOpsService> service = mService;
|
|
while (service == NULL || !IInterface::asBinder(service)->isBinderAlive()) {
|
|
sp<IBinder> binder = defaultServiceManager()->checkService(_appops);
|
|
if (binder == NULL) {
|
|
// Wait for the app ops service to come back...
|
|
if (startTime == 0) {
|
|
startTime = uptimeMillis();
|
|
ALOGI("Waiting for app ops service");
|
|
} else if ((uptimeMillis()-startTime) > 10000) {
|
|
ALOGW("Waiting too long for app ops service, giving up");
|
|
return NULL;
|
|
}
|
|
sleep(1);
|
|
} else {
|
|
service = interface_cast<IAppOpsService>(binder);
|
|
mService = service;
|
|
}
|
|
}
|
|
mLock.unlock();
|
|
return service;
|
|
}
|
|
|
|
int32_t AppOpsManager::checkOp(int32_t op, int32_t uid, const String16& callingPackage)
|
|
{
|
|
sp<IAppOpsService> service = getService();
|
|
return service != NULL ? service->checkOperation(op, uid, callingPackage) : MODE_IGNORED;
|
|
}
|
|
|
|
int32_t AppOpsManager::noteOp(int32_t op, int32_t uid, const String16& callingPackage) {
|
|
sp<IAppOpsService> service = getService();
|
|
return service != NULL ? service->noteOperation(op, uid, callingPackage) : MODE_IGNORED;
|
|
}
|
|
|
|
int32_t AppOpsManager::startOp(int32_t op, int32_t uid, const String16& callingPackage) {
|
|
sp<IAppOpsService> service = getService();
|
|
return service != NULL ? service->startOperation(getToken(service), op, uid, callingPackage)
|
|
: MODE_IGNORED;
|
|
}
|
|
|
|
void AppOpsManager::finishOp(int32_t op, int32_t uid, const String16& callingPackage) {
|
|
sp<IAppOpsService> service = getService();
|
|
if (service != NULL) {
|
|
service->finishOperation(getToken(service), op, uid, callingPackage);
|
|
}
|
|
}
|
|
|
|
void AppOpsManager::startWatchingMode(int32_t op, const String16& packageName,
|
|
const sp<IAppOpsCallback>& callback) {
|
|
sp<IAppOpsService> service = getService();
|
|
if (service != NULL) {
|
|
service->startWatchingMode(op, packageName, callback);
|
|
}
|
|
}
|
|
|
|
void AppOpsManager::stopWatchingMode(const sp<IAppOpsCallback>& callback) {
|
|
sp<IAppOpsService> service = getService();
|
|
if (service != NULL) {
|
|
service->stopWatchingMode(callback);
|
|
}
|
|
}
|
|
|
|
int32_t AppOpsManager::permissionToOpCode(const String16& permission) {
|
|
sp<IAppOpsService> service = getService();
|
|
if (service != NULL) {
|
|
return service->permissionToOpCode(permission);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
|
|
}; // namespace android
|