1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <jni.h> 18 #include <sys/types.h> 19 #include <unistd.h> 20 #include <sys/xattr.h> 21 #include <errno.h> 22 23 static jboolean android_security_cts_KernelSettingsTest_supportsXattr(JNIEnv* env, jobject thiz) 24 { 25 int result = getxattr("/system/bin/toolbox", "security.capability", NULL, 0); 26 return ((result >= 0) || (errno == ENODATA)); 27 } 28 29 static JNINativeMethod gMethods[] = { 30 { "supportsXattr", "()Z", 31 (void *) android_security_cts_KernelSettingsTest_supportsXattr }, 32 }; 33 34 int register_android_security_cts_KernelSettingsTest(JNIEnv* env) 35 { 36 jclass clazz = env->FindClass("android/security/cts/KernelSettingsTest"); 37 return env->RegisterNatives(clazz, gMethods, 38 sizeof(gMethods) / sizeof(JNINativeMethod)); 39 } 40