blob: 6a58852f4210a9e67280fad60f3d2193e5dc1c5d (
plain)
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
|
/*
* Copyright (C) 2012 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/IPCThreadState.h>
#include <binder/IServiceManager.h>
#include <binder/PermissionCache.h>
#include "ServiceUtilities.h"
namespace android {
// This optimization assumes mediaserver process doesn't fork, which it doesn't
const pid_t getpid_cached = getpid();
bool recordingAllowed() {
if (getpid_cached == IPCThreadState::self()->getCallingPid()) return true;
static const String16 sRecordAudio("android.permission.RECORD_AUDIO");
// don't use PermissionCache; this is not a system permission
bool ok = checkCallingPermission(sRecordAudio);
if (!ok) ALOGE("Request requires android.permission.RECORD_AUDIO");
return ok;
}
bool settingsAllowed() {
if (getpid_cached == IPCThreadState::self()->getCallingPid()) return true;
static const String16 sAudioSettings("android.permission.MODIFY_AUDIO_SETTINGS");
// don't use PermissionCache; this is not a system permission
bool ok = checkCallingPermission(sAudioSettings);
if (!ok) ALOGE("Request requires android.permission.MODIFY_AUDIO_SETTINGS");
return ok;
}
bool dumpAllowed() {
// don't optimize for same pid, since mediaserver never dumps itself
static const String16 sDump("android.permission.DUMP");
// OK to use PermissionCache; this is a system permission
bool ok = PermissionCache::checkCallingPermission(sDump);
// convention is for caller to dump an error message to fd instead of logging here
//if (!ok) ALOGE("Request requires android.permission.DUMP");
return ok;
}
} // namespace android
|
