diff options
Diffstat (limited to 'services/inputflinger/InputFlinger.cpp')
-rw-r--r-- | services/inputflinger/InputFlinger.cpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/services/inputflinger/InputFlinger.cpp b/services/inputflinger/InputFlinger.cpp new file mode 100644 index 0000000..9ea6ce5 --- /dev/null +++ b/services/inputflinger/InputFlinger.cpp @@ -0,0 +1,89 @@ +/* + * 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 "InputFlinger.h" + +#include <stdint.h> +#include <unistd.h> + +#include <sys/types.h> + +#include <binder/IPCThreadState.h> +#include <binder/PermissionCache.h> +#include <cutils/log.h> +#include <private/android_filesystem_config.h> + +namespace android { + +const String16 sAccessInputFlingerPermission("android.permission.ACCESS_INPUT_FLINGER"); +const String16 sDumpPermission("android.permission.DUMP"); + + +InputFlinger::InputFlinger() : + BnInputFlinger() { + ALOGI("InputFlinger is starting"); +} + +InputFlinger::~InputFlinger() { +} + +status_t InputFlinger::onTransact( + uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) { + switch (code) { + case DO_SOMETHING_TRANSACTION: + const IPCThreadState* ipc = IPCThreadState::self(); + const int pid = ipc->getCallingPid(); + const int uid = ipc->getCallingUid(); + if (!PermissionCache::checkPermission(sAccessInputFlingerPermission, pid, uid)) { + ALOGE("Permission Denial: " + "can't access InputFlinger from pid=%d, uid=%d", pid, uid); + return PERMISSION_DENIED; + } + break; + } + + return BnInputFlinger::onTransact(code, data, reply, flags); +} + +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 SurfaceFlinger 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"); + result.append("... nothing here yet...\n"); +} + +status_t InputFlinger::doSomething() { + ALOGI("Did something..."); + return OK; +} + +}; // namespace android |