/* * Copyright (c) 2000, 2014, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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 "jni_util.h" #include "jvm.h" #ifdef __cplusplus extern "C" { #endif JNIEXPORT jintArray JNICALL Java_java_util_prefs_WindowsPreferences_WindowsRegOpenKey (JNIEnv* env, jclass this_class, jint hKey, jbyteArray lpSubKey, jint securityMask) { HKEY handle; char* str; int tmp[2]; int errorCode=-1; jintArray result; str = (*env)->GetByteArrayElements(env, lpSubKey, NULL); CHECK_NULL_RETURN(str, NULL); errorCode = RegOpenKeyEx((HKEY)hKey, str, 0, securityMask, &handle); (*env)->ReleaseByteArrayElements(env, lpSubKey, str, 0); tmp[0]= (int) handle; tmp[1]= errorCode; result = (*env)->NewIntArray(env,2); if(result != NULL) { (*env)->SetIntArrayRegion(env, result, 0, 2, tmp); } return result; } JNIEXPORT jint JNICALL Java_java_util_prefs_WindowsPreferences_WindowsRegCloseKey (JNIEnv* env, jclass this_class, jint hKey) { return (jint) RegCloseKey((HKEY) hKey); }; JNIEXPORT jintArray JNICALL Java_java_util_prefs_WindowsPreferences_WindowsRegCreateKeyEx (JNIEnv* env, jclass this_class, jint hKey, jbyteArray lpSubKey) { HKEY handle; char* str; int tmp[3]; DWORD lpdwDisposition; int errorCode; jintArray result = NULL; str = (*env)->GetByteArrayElements(env, lpSubKey, NULL); CHECK_NULL_RETURN(str, NULL); errorCode = RegCreateKeyEx((HKEY)hKey, str, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_READ, NULL, &handle, &lpdwDisposition); (*env)->ReleaseByteArrayElements(env, lpSubKey, str, 0); tmp[0]= (int) handle; tmp[1]= errorCode; tmp[2]= lpdwDisposition; result = (*env)->NewIntArray(env,3); if (result != NULL) { (*env)->SetIntArrayRegion(env, result, 0, 3, tmp); } return result; } JNIEXPORT jint JNICALL Java_java_util_prefs_WindowsPreferences_WindowsRegDeleteKey (JNIEnv* env, jclass this_class, jint hKey, jbyteArray lpSubKey) { char* str; int result; str = (*env)->GetByteArrayElements(env, lpSubKey, NULL); CHECK_NULL_RETURN(str, -1); result = RegDeleteKey((HKEY)hKey, str); (*env)->ReleaseByteArrayElements(env, lpSubKey, str, 0); return result; }; JNIEXPORT jint JNICALL Java_java_util_prefs_WindowsPreferences_WindowsRegFlushKey (JNIEnv* env, jclass this_class, jint hKey) { return RegFlushKey ((HKEY)hKey); } JNIEXPORT jbyteArray JNICALL Java_java_util_prefs_WindowsPreferences_WindowsRegQueryValueEx (JNIEnv* env, jclass this_class, jint hKey, jbyteArray valueName) { char* valueNameStr; char* buffer; jbyteArray result; DWORD valueType; DWORD valueSize; valueNameStr = (*env)->GetByteArrayElements(env, valueName, NULL); CHECK_NULL_RETURN(valueNameStr, NULL); if (RegQueryValueEx((HKEY)hKey, valueNameStr, NULL, &valueType, NULL, &valueSize) != ERROR_SUCCESS) { (*env)->ReleaseByteArrayElements(env, valueName, valueNameStr, 0); return NULL; } buffer = (char*)malloc(valueSize); if (buffer != NULL) { if (RegQueryValueEx((HKEY)hKey, valueNameStr, NULL, &valueType, buffer, &valueSize) != ERROR_SUCCESS) { free(buffer); (*env)->ReleaseByteArrayElements(env, valueName, valueNameStr, 0); return NULL; } } else { JNU_ThrowOutOfMemoryError(env, "native memory allocation failed"); (*env)->ReleaseByteArrayElements(env, valueName, valueNameStr, 0); return NULL; } if (valueType == REG_SZ) { result = (*env)->NewByteArray(env, valueSize); if (result != NULL) { (*env)->SetByteArrayRegion(env, result, 0, valueSize, buffer); } } else { result = NULL; } free(buffer); (*env)->ReleaseByteArrayElements(env, valueName, valueNameStr, 0); return result; } JNIEXPORT jint JNICALL Java_java_util_prefs_WindowsPreferences_WindowsRegSetValueEx (JNIEnv* env, jclass this_class, jint hKey, jbyteArray valueName, jbyteArray data) { char* valueNameStr; char* dataStr; int size = -1; int nameSize = -1; int error_code = -1; if ((valueName == NULL)||(data == NULL)) {return -1;} size = (*env)->GetArrayLength(env, data); dataStr = (*env)->GetByteArrayElements(env, data, NULL); CHECK_NULL_RETURN(dataStr, -1); valueNameStr = (*env)->GetByteArrayElements(env, valueName, NULL); CHECK_NULL_RETURN(valueNameStr, -1); error_code = RegSetValueEx((HKEY)hKey, valueNameStr, 0, REG_SZ, dataStr, size); (*env)->ReleaseByteArrayElements(env, data, dataStr, 0); (*env)->ReleaseByteArrayElements(env, valueName, valueNameStr, 0); return error_code; } JNIEXPORT jint JNICALL Java_java_util_prefs_WindowsPreferences_WindowsRegDeleteValue (JNIEnv* env, jclass this_class, jint hKey, jbyteArray valueName) { char* valueNameStr; int error_code = -1; if (valueName == NULL) {return -1;} valueNameStr = (*env)->GetByteArrayElements(env, valueName, NULL); CHECK_NULL_RETURN(valueNameStr, -1); error_code = RegDeleteValue((HKEY)hKey, valueNameStr); (*env)->ReleaseByteArrayElements(env, valueName, valueNameStr, 0); return error_code; } JNIEXPORT jintArray JNICALL Java_java_util_prefs_WindowsPreferences_WindowsRegQueryInfoKey (JNIEnv* env, jclass this_class, jint hKey) { jintArray result = NULL; int tmp[5]; int valuesNumber = -1; int maxValueNameLength = -1; int maxSubKeyLength = -1; int subKeysNumber = -1; int errorCode = -1; errorCode = RegQueryInfoKey((HKEY)hKey, NULL, NULL, NULL, &subKeysNumber, &maxSubKeyLength, NULL, &valuesNumber, &maxValueNameLength, NULL, NULL, NULL); tmp[0]= subKeysNumber; tmp[1]= (int)errorCode; tmp[2]= valuesNumber; tmp[3]= maxSubKeyLength; tmp[4]= maxValueNameLength; result = (*env)->NewIntArray(env,5); if (result != NULL) { (*env)->SetIntArrayRegion(env, result, 0, 5, tmp); } return result; } JNIEXPORT jbyteArray JNICALL Java_java_util_prefs_WindowsPreferences_WindowsRegEnumKeyEx (JNIEnv* env, jclass this_class, jint hKey , jint subKeyIndex, jint maxKeyLength) { int size = maxKeyLength; jbyteArray result; char* buffer = NULL; buffer = (char*)malloc(maxKeyLength); if (buffer == NULL) { JNU_ThrowOutOfMemoryError(env, "native memory allocation failed"); return NULL; } if (RegEnumKeyEx((HKEY) hKey, subKeyIndex, buffer, &size, NULL, NULL, NULL, NULL) != ERROR_SUCCESS){ free(buffer); return NULL; } result = (*env)->NewByteArray(env, size + 1); if (result != NULL) { (*env)->SetByteArrayRegion(env, result, 0, size + 1, buffer); } free(buffer); return result; } JNIEXPORT jbyteArray JNICALL Java_java_util_prefs_WindowsPreferences_WindowsRegEnumValue (JNIEnv* env, jclass this_class, jint hKey , jint valueIndex, jint maxValueNameLength){ int size = maxValueNameLength; jbyteArray result; char* buffer = NULL; int error_code; buffer = (char*)malloc(maxValueNameLength); if (buffer == NULL) { JNU_ThrowOutOfMemoryError(env, "native memory allocation failed"); return NULL; } error_code = RegEnumValue((HKEY) hKey, valueIndex, buffer, &size, NULL, NULL, NULL, NULL); if (error_code!= ERROR_SUCCESS){ free(buffer); return NULL; } result = (*env)->NewByteArray(env, size + 1); if (result != NULL) { (*env)->SetByteArrayRegion(env, result, 0, size + 1, buffer); } free(buffer); return result; } #ifdef __cplusplus } #endif