90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "InputFlinger"
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#include "InputFlinger.h"
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#include <stdint.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <binder/IPCThreadState.h>
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#include <binder/PermissionCache.h>
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#include <cutils/log.h>
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#include <private/android_filesystem_config.h>
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namespace android {
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const String16 sAccessInputFlingerPermission("android.permission.ACCESS_INPUT_FLINGER");
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const String16 sDumpPermission("android.permission.DUMP");
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InputFlinger::InputFlinger() :
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BnInputFlinger() {
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ALOGI("InputFlinger is starting");
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}
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InputFlinger::~InputFlinger() {
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}
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status_t InputFlinger::onTransact(
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uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) {
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switch (code) {
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case DO_SOMETHING_TRANSACTION:
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const IPCThreadState* ipc = IPCThreadState::self();
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const int pid = ipc->getCallingPid();
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const int uid = ipc->getCallingUid();
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if (!PermissionCache::checkPermission(sAccessInputFlingerPermission, pid, uid)) {
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ALOGE("Permission Denial: "
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"can't access InputFlinger from pid=%d, uid=%d", pid, uid);
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return PERMISSION_DENIED;
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}
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break;
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}
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return BnInputFlinger::onTransact(code, data, reply, flags);
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}
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status_t InputFlinger::dump(int fd, const Vector<String16>& args) {
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String8 result;
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const IPCThreadState* ipc = IPCThreadState::self();
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const int pid = ipc->getCallingPid();
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const int uid = ipc->getCallingUid();
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if ((uid != AID_SHELL)
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&& !PermissionCache::checkPermission(sDumpPermission, pid, uid)) {
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result.appendFormat("Permission Denial: "
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"can't dump SurfaceFlinger from pid=%d, uid=%d\n", pid, uid);
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} else {
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dumpInternal(result);
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}
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write(fd, result.string(), result.size());
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return OK;
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}
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void InputFlinger::dumpInternal(String8& result) {
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result.append("INPUT FLINGER (dumpsys inputflinger)\n");
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result.append("... nothing here yet...\n");
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}
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status_t InputFlinger::doSomething() {
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ALOGI("Did something...");
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return OK;
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}
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}; // namespace android
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