1 /*
   2  * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #include <stdio.h>
  25 #include <stdarg.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 
  29 #include <jvmti.h>
  30 #include "agent_common.h"
  31 
  32 #include "nsk_tools.h"
  33 #include "JVMTITools.h"
  34 #include "jvmti_tools.h"
  35 
  36 extern "C" {
  37 
  38 #define PASSED  0
  39 #define STATUS_FAILED  2
  40 
  41 /* the highly recommended system properties are below */
  42 #define PROP_NUM 6
  43 static const char *expected_props[PROP_NUM] = {
  44     "java.vm.vendor",
  45     "java.vm.version",
  46     "java.vm.name",
  47     "java.vm.info",
  48     "java.library.path",
  49     "java.class.path"
  50 };
  51 
  52 static jvmtiEventCallbacks callbacks;
  53 static jint result = PASSED;
  54 
  55 static int findProp(char *prop) {
  56     int i;
  57 
  58     for (i=0; i<PROP_NUM; i++) {
  59         if (strcmp(expected_props[i], prop) == 0) {
  60             NSK_DISPLAY1("CHECK PASSED: found highly recommended system property \"%s\" as expected\n",
  61                 expected_props[i]);
  62             return 1; /* the property found */
  63         }
  64     }
  65 
  66     NSK_DISPLAY1("\tsystem property \"%s\" not found among highly recommended ones\n",
  67         prop);
  68     return 0; /* the property not found */
  69 }
  70 
  71 static void checkProps(jvmtiEnv *jvmti_env, const char *stepMsg) {
  72     jint count;
  73     char **propKeys;
  74     char *prop;
  75     int i;
  76     int foundProps = 0;
  77 
  78     NSK_DISPLAY1("%s: Getting system property keys ...\n",
  79         stepMsg);
  80     if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(GetSystemProperties,
  81             jvmti_env, &count, &propKeys))) {
  82         result = STATUS_FAILED;
  83         return;
  84     }
  85     NSK_DISPLAY1("%d keys obtained\n",
  86         count);
  87 
  88     if (count < PROP_NUM) {
  89         result = STATUS_FAILED;
  90         NSK_COMPLAIN2("TEST FAILED: GetSystemProperties() returns %d system property keys\n\texpected at least %d",
  91             count, PROP_NUM);
  92     }
  93 
  94     for (i=0; i< count; i++) {
  95         NSK_DISPLAY2("%d) getting property for the key \"%s\":\n",
  96             i+1, propKeys[i]);
  97        if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(GetSystemProperty,
  98                jvmti_env, (const char*) propKeys[i], &prop))) {
  99            result = STATUS_FAILED;
 100            return;
 101         }
 102         NSK_DISPLAY1("\tproperty=\"%s\"\n",
 103             prop);
 104 
 105         foundProps += findProp(propKeys[i]);
 106 
 107         NSK_DISPLAY0("\tdeallocating system property\n");
 108         if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(Deallocate,
 109                 jvmti_env, (unsigned char*) prop))) {
 110             result = STATUS_FAILED;
 111             return;
 112         }
 113 
 114         NSK_DISPLAY0("\tdeallocating the system property key\n\n");
 115         if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(Deallocate,
 116                 jvmti_env, (unsigned char*) propKeys[i]))) {
 117             result = STATUS_FAILED;
 118             return;
 119         }
 120     }
 121 
 122 /*    NSK_DISPLAY0("Deallocating the property key array ...\n");
 123     if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(Deallocate,
 124             jvmti_env, (unsigned char*) &propKeys))) {
 125         result = STATUS_FAILED;
 126         return;
 127     }*/
 128 
 129     if (foundProps != PROP_NUM) {
 130         result = STATUS_FAILED;
 131         NSK_COMPLAIN2("TEST FAILED: only %d highly recommended system properties found\n\tinstead of %d as expected\n",
 132             foundProps, PROP_NUM);
 133     }
 134 }
 135 
 136 /** callback functions **/
 137 void JNICALL
 138 VMInit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thr) {
 139     NSK_DISPLAY0("VMInit event received\n");
 140 
 141     checkProps(jvmti_env, ">>> b) TEST CASE \"VMInit\"");
 142 }
 143 
 144 void JNICALL
 145 VMDeath(jvmtiEnv *jvmti_env, JNIEnv *env) {
 146     NSK_DISPLAY0("VMDeath event received\n");
 147 
 148     checkProps(jvmti_env, ">>> c) TEST CASE \"VMDeath\"");
 149 
 150     if (result == STATUS_FAILED)
 151         exit(STATUS_FAILED);
 152 }
 153 /************************/
 154 
 155 JNIEXPORT jint JNICALL
 156 Java_nsk_jvmti_scenarios_general_1functions_GF01_gf01t001_check(JNIEnv *env, jobject obj) {
 157     return result;
 158 }
 159 
 160 #ifdef STATIC_BUILD
 161 JNIEXPORT jint JNICALL Agent_OnLoad_gf01t001(JavaVM *jvm, char *options, void *reserved) {
 162     return Agent_Initialize(jvm, options, reserved);
 163 }
 164 JNIEXPORT jint JNICALL Agent_OnAttach_gf01t001(JavaVM *jvm, char *options, void *reserved) {
 165     return Agent_Initialize(jvm, options, reserved);
 166 }
 167 JNIEXPORT jint JNI_OnLoad_gf01t001(JavaVM *jvm, char *options, void *reserved) {
 168     return JNI_VERSION_1_8;
 169 }
 170 #endif
 171 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
 172     jvmtiEnv *jvmti;
 173 
 174     /* init framework and parse options */
 175     if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
 176         return JNI_ERR;
 177 
 178     /* create JVMTI environment */
 179     if (!NSK_VERIFY((jvmti =
 180             nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
 181         return JNI_ERR;
 182 
 183     NSK_DISPLAY0("setting event callbacks ...\n");
 184 
 185     (void) memset(&callbacks, 0, sizeof(callbacks));
 186     callbacks.VMInit = &VMInit;
 187     callbacks.VMDeath = &VMDeath;
 188     if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(SetEventCallbacks,
 189             jvmti, &callbacks, sizeof(callbacks))))
 190         return JNI_ERR;
 191 
 192     NSK_DISPLAY0("setting event callbacks done\nenabling events ...\n");
 193 
 194     if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode,
 195             jvmti, JVMTI_ENABLE, JVMTI_EVENT_VM_DEATH, NULL)))
 196         return JNI_ERR;
 197     if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode,
 198             jvmti, JVMTI_ENABLE, JVMTI_EVENT_VM_INIT, NULL)))
 199         return JNI_ERR;
 200 
 201     NSK_DISPLAY0("enabling events done\n\n");
 202 
 203     checkProps(jvmti, ">>> a) TEST CASE \"OnLoad\"");
 204 
 205     return JNI_OK;
 206 }
 207 
 208 }