70 lines
2.0 KiB
C++
70 lines
2.0 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.
|
|
*/
|
|
|
|
#define LOG_TAG "InputFlinger"
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
|
|
#include <binder/IPCThreadState.h>
|
|
#include <binder/PermissionCache.h>
|
|
#include <hardware/input.h>
|
|
#include <log/log.h>
|
|
#include <private/android_filesystem_config.h>
|
|
|
|
#include "InputFlinger.h"
|
|
#include "InputDriver.h"
|
|
|
|
namespace android {
|
|
|
|
const String16 sAccessInputFlingerPermission("android.permission.ACCESS_INPUT_FLINGER");
|
|
const String16 sDumpPermission("android.permission.DUMP");
|
|
|
|
|
|
InputFlinger::InputFlinger() :
|
|
BnInputFlinger() {
|
|
ALOGI("InputFlinger is starting");
|
|
mHost = new InputHost();
|
|
mHost->registerInputDriver(new InputDriver(INPUT_INSTANCE_EVDEV));
|
|
}
|
|
|
|
InputFlinger::~InputFlinger() {
|
|
}
|
|
|
|
status_t InputFlinger::dump(int fd, const Vector<String16>& args) {
|
|
String8 result;
|
|
const IPCThreadState* ipc = IPCThreadState::self();
|
|
const int pid = ipc->getCallingPid();
|
|
const int uid = ipc->getCallingUid();
|
|
if ((uid != AID_SHELL)
|
|
&& !PermissionCache::checkPermission(sDumpPermission, pid, uid)) {
|
|
result.appendFormat("Permission Denial: "
|
|
"can't dump InputFlinger from pid=%d, uid=%d\n", pid, uid);
|
|
} else {
|
|
dumpInternal(result);
|
|
}
|
|
write(fd, result.string(), result.size());
|
|
return OK;
|
|
}
|
|
|
|
void InputFlinger::dumpInternal(String8& result) {
|
|
result.append("INPUT FLINGER (dumpsys inputflinger)\n");
|
|
mHost->dump(result);
|
|
}
|
|
|
|
}; // namespace android
|