| /* |
| * Copyright (C) 2016 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 <log/log_id.h> |
| #include <private/android_logger.h> |
| |
| #include <nativehelper/JNIHelp.h> |
| #include "jni.h" |
| |
| #include "core_jni_helpers.h" |
| #include "eventlog_helper.h" |
| |
| namespace android { |
| |
| constexpr char kSecurityLogEventClass[] = "android/app/admin/SecurityLog$SecurityEvent"; |
| template class EventLogHelper<log_id_t::LOG_ID_SECURITY, kSecurityLogEventClass>; |
| using SLog = EventLogHelper<log_id_t::LOG_ID_SECURITY, kSecurityLogEventClass>; |
| |
| static jboolean android_app_admin_SecurityLog_isLoggingEnabled(JNIEnv* env, |
| jobject /* clazz */) { |
| return (bool)__android_log_security(); |
| } |
| |
| static void android_app_admin_SecurityLog_readEvents(JNIEnv* env, jobject /* clazz */, |
| jobject out) { |
| |
| if (out == NULL) { |
| jniThrowNullPointerException(env, NULL); |
| return; |
| } |
| SLog::readEvents(env, ANDROID_LOG_RDONLY | ANDROID_LOG_NONBLOCK, 0, out); |
| } |
| |
| static void android_app_admin_SecurityLog_readEventsSince(JNIEnv* env, jobject /* clazz */, |
| jlong timestamp, |
| jobject out) { |
| |
| if (out == NULL) { |
| jniThrowNullPointerException(env, NULL); |
| return; |
| } |
| SLog::readEvents(env, ANDROID_LOG_RDONLY | ANDROID_LOG_NONBLOCK, timestamp, out); |
| } |
| |
| static void android_app_admin_SecurityLog_readPreviousEvents(JNIEnv* env, jobject /* clazz */, |
| jobject out) { |
| |
| if (out == NULL) { |
| jniThrowNullPointerException(env, NULL); |
| return; |
| } |
| SLog::readEvents(env, ANDROID_LOG_RDONLY | ANDROID_LOG_NONBLOCK | ANDROID_LOG_PSTORE, 0, out); |
| } |
| |
| static void android_app_admin_SecurityLog_readEventsOnWrapping(JNIEnv* env, jobject /* clazz */, |
| jlong timestamp, |
| jobject out) { |
| if (out == NULL) { |
| jniThrowNullPointerException(env, NULL); |
| return; |
| } |
| SLog::readEvents(env, ANDROID_LOG_RDONLY | ANDROID_LOG_NONBLOCK | ANDROID_LOG_WRAP, timestamp, |
| out); |
| } |
| |
| /* |
| * JNI registration. |
| */ |
| static const JNINativeMethod gRegisterMethods[] = { |
| /* name, signature, funcPtr */ |
| { "isLoggingEnabled", |
| "()Z", |
| (void*) android_app_admin_SecurityLog_isLoggingEnabled |
| }, |
| { "writeEvent", |
| "(ILjava/lang/String;)I", |
| (void*) SLog::writeEventString |
| }, |
| { "writeEvent", |
| "(I[Ljava/lang/Object;)I", |
| (void*) SLog::writeEventArray |
| }, |
| { "readEvents", |
| "(Ljava/util/Collection;)V", |
| (void*) android_app_admin_SecurityLog_readEvents |
| }, |
| { "readEventsSince", |
| "(JLjava/util/Collection;)V", |
| (void*) android_app_admin_SecurityLog_readEventsSince |
| }, |
| { "readPreviousEvents", |
| "(Ljava/util/Collection;)V", |
| (void*) android_app_admin_SecurityLog_readPreviousEvents |
| }, |
| { "readEventsOnWrapping", |
| "(JLjava/util/Collection;)V", |
| (void*) android_app_admin_SecurityLog_readEventsOnWrapping |
| }, |
| }; |
| |
| int register_android_app_admin_SecurityLog(JNIEnv* env) { |
| SLog::Init(env); |
| |
| return RegisterMethodsOrDie( |
| env, |
| "android/app/admin/SecurityLog", |
| gRegisterMethods, NELEM(gRegisterMethods)); |
| } |
| |
| }; // namespace android |