-
Notifications
You must be signed in to change notification settings - Fork 11
/
Copy pathPermissionController.cpp
88 lines (77 loc) · 2.93 KB
/
PermissionController.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
/*
* Copyright (C) 2018 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 <mutex>
#include <binder/PermissionController.h>
#include <binder/Binder.h>
#include <binder/IServiceManager.h>
#include <utils/SystemClock.h>
namespace android {
PermissionController::PermissionController()
{
}
sp<IPermissionController> PermissionController::getService()
{
std::lock_guard<Mutex> scoped_lock(mLock);
int64_t startTime = 0;
sp<IPermissionController> service = mService;
while (service == nullptr || !IInterface::asBinder(service)->isBinderAlive()) {
sp<IBinder> binder = defaultServiceManager()->checkService(String16("permission"));
if (binder == nullptr) {
// Wait for the activity service to come back...
if (startTime == 0) {
startTime = uptimeMillis();
ALOGI("Waiting for permission service");
} else if ((uptimeMillis() - startTime) > 10000) {
ALOGW("Waiting too long for permission service, giving up");
service = nullptr;
break;
}
sleep(1);
} else {
service = interface_cast<IPermissionController>(binder);
mService = service;
}
}
return service;
}
bool PermissionController::checkPermission(const String16& permission, int32_t pid, int32_t uid)
{
sp<IPermissionController> service = getService();
return service != nullptr ? service->checkPermission(permission, pid, uid) : false;
}
int32_t PermissionController::noteOp(const String16& op, int32_t uid, const String16& packageName)
{
sp<IPermissionController> service = getService();
return service != nullptr ? service->noteOp(op, uid, packageName) : MODE_ERRORED;
}
void PermissionController::getPackagesForUid(const uid_t uid, Vector<String16> &packages)
{
sp<IPermissionController> service = getService();
if (service != nullptr) {
service->getPackagesForUid(uid, packages);
}
}
bool PermissionController::isRuntimePermission(const String16& permission)
{
sp<IPermissionController> service = getService();
return service != nullptr ? service->isRuntimePermission(permission) : false;
}
int PermissionController::getPackageUid(const String16& package, int flags)
{
sp<IPermissionController> service = getService();
return service != nullptr ? service->getPackageUid(package, flags) : -1;
}
}; // namespace android