--- /dev/null 2019-03-27 16:04:07.000000000 -0700 +++ new/test/jdk/java/lang/reflect/exeCallerAccessTest/exeCallerAccessTest.c 2019-03-27 16:04:06.000000000 -0700 @@ -0,0 +1,111 @@ +/* + * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +#include +#include + +#include "jni.h" +#include "assert.h" + +static jclass classClass; +static jmethodID mid_Class_forName; +static jmethodID mid_Class_getField; +static jmethodID mid_Field_get; + +int getField(JNIEnv *env, char* declaringClass_name, char* field_name); + +int main(int argc, char** args) { + JavaVM *jvm; + JNIEnv *env; + JavaVMInitArgs vm_args; + JavaVMOption options[1]; + jint rc; + + vm_args.version = JNI_VERSION_1_2; + vm_args.nOptions = 0; + vm_args.options = options; + + if ((rc = JNI_CreateJavaVM(&jvm, (void**)&env, &vm_args)) != JNI_OK) { + printf("ERROR: cannot create VM.\n"); + exit(-1); + } + + classClass = (*env)->FindClass(env, "java/lang/Class"); + mid_Class_forName = (*env)->GetStaticMethodID(env, classClass, "forName", + "(Ljava/lang/String;)Ljava/lang/Class;"); + assert(mid_Class_forName != NULL); + + mid_Class_getField = (*env)->GetMethodID(env, classClass, "getField", + "(Ljava/lang/String;)Ljava/lang/reflect/Field;"); + assert(mid_Class_getField != NULL); + + jclass fieldClass = (*env)->FindClass(env, "java/lang/reflect/Field"); + mid_Field_get = (*env)->GetMethodID(env, fieldClass, "get", "(Ljava/lang/Object;)Ljava/lang/Object;"); + assert(mid_Class_getField != NULL); + + // can access to public member of an exported type + if ((rc = getField(env, "java.lang.Integer", "TYPE")) != 0) { + printf("ERROR: fail to access java.lang.Integer::TYPE\n"); + exit(-1); + } + + // expect IAE to jdk.internal.misc.Unsafe class + if ((rc = getField(env, "jdk.internal.misc.Unsafe", "INVALID_FIELD_OFFSET")) == 0) { + printf("ERROR: IAE not thrown\n"); + exit(-1); + } + + jclass iaeClass = (*env)->FindClass(env, "java/lang/IllegalAccessException"); + jthrowable t = (*env)->ExceptionOccurred(env); + if ((*env)->IsInstanceOf(env, t, iaeClass) == JNI_TRUE) { + (*env)->ExceptionClear(env); + } else { + printf("ERROR: exception is not an instance of IAE\n"); + exit(-1); + } + + (*jvm)->DestroyJavaVM(jvm); +} + +int getField(JNIEnv *env, char* declaringClass_name, char* field_name) { + jobject c = (*env)->CallStaticObjectMethod(env, classClass, mid_Class_forName, + (*env)->NewStringUTF(env, declaringClass_name)); + if ((*env)->ExceptionOccurred(env) != NULL) { + (*env)->ExceptionDescribe(env); + return 1; + } + + jobject f = (*env)->CallObjectMethod(env, c, mid_Class_getField, (*env)->NewStringUTF(env, field_name)); + if ((*env)->ExceptionOccurred(env) != NULL) { + (*env)->ExceptionDescribe(env); + return 2; + } + + jobject v = (*env)->CallObjectMethod(env, f, mid_Field_get, c); + if ((*env)->ExceptionOccurred(env) != NULL) { + (*env)->ExceptionDescribe(env); + return 3; + } + return 0; +} +