1/*
2 * Copyright 2016 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#include <base/at_exit.h>
18#include <base/logging.h>
19#include <base/message_loop/message_loop.h>
20#include <binder/IServiceManager.h>
21#include <binder/Status.h>
22#include <brillo/binder_watcher.h>
23#include <brillo/message_loops/base_message_loop.h>
24#include <brillo/syslog_logging.h>
25#include <utils/String16.h>
26
27#include "android/os/BnPermissionController.h"
28
29namespace {
30static android::String16 serviceName("permission");
31}
32
33namespace android {
34
35class PermissionService : public android::os::BnPermissionController {
36   public:
37    ::android::binder::Status checkPermission(
38            const ::android::String16& permission, int32_t pid, int32_t uid,
39            bool* _aidl_return) {
40        (void)permission;
41        (void)pid;
42        (void)uid;
43        *_aidl_return = true;
44        return binder::Status::ok();
45    }
46
47    ::android::binder::Status getPackagesForUid(
48            int32_t uid, ::std::vector<::android::String16>* _aidl_return) {
49        (void)uid;
50        // Brillo doesn't currently have installable packages.
51        if (_aidl_return) {
52            _aidl_return->clear();
53        }
54        return binder::Status::ok();
55    }
56
57    ::android::binder::Status isRuntimePermission(
58            const ::android::String16& permission, bool* _aidl_return) {
59        (void)permission;
60        // Brillo doesn't currently have runtime permissions.
61        *_aidl_return = false;
62        return binder::Status::ok();
63    }
64};
65
66}  // namespace android
67
68int main() {
69    base::AtExitManager atExitManager;
70    brillo::InitLog(brillo::kLogToSyslog);
71    // Register the service with servicemanager.
72    android::status_t status = android::defaultServiceManager()->addService(
73            serviceName, new android::PermissionService());
74    CHECK(status == android::OK) << "Failed to get IPermissionController "
75                                    "binder from servicemanager.";
76
77    // Create a message loop.
78    base::MessageLoopForIO messageLoopForIo;
79    brillo::BaseMessageLoop messageLoop{&messageLoopForIo};
80
81    // Initialize a binder watcher.
82    brillo::BinderWatcher watcher(&messageLoop);
83    watcher.Init();
84
85    // Run the message loop.
86    messageLoop.Run();
87}
88