/*
* Portions Copyright 2003 Sun Microsystems, Inc. All Rights Reserved.
*/
/* Copyright (c) 2002 Graz University of Technology. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment:
*
* "This product includes software developed by IAIK of Graz University of
* Technology."
*
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Graz University of Technology" and "IAIK of Graz University of
* Technology" must not be used to endorse or promote products derived from
* this software without prior written permission.
*
* 5. Products derived from this software may not be called
* "IAIK PKCS Wrapper", nor may "IAIK" appear in their name, without prior
* written permission of Graz University of Technology.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE LICENSOR BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "pkcs11wrapper.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
/* declare file private functions */
ModuleData * getModuleEntry(JNIEnv *env, jobject pkcs11Implementation);
int isModulePresent(JNIEnv *env, jobject pkcs11Implementation);
void removeAllModuleEntries(JNIEnv *env);
/* ************************************************************************** */
/* Functions for keeping track of currently active and loaded modules */
/* ************************************************************************** */
/*
* Create a new object for locking.
*/
jobject createLockObject(JNIEnv *env) {
jclass jObjectClass;
jobject jLockObject;
jmethodID jConstructor;
jObjectClass = (*env)->FindClass(env, "java/lang/Object");
assert(jObjectClass != 0);
jConstructor = (*env)->GetMethodID(env, jObjectClass, "<init>", "()V");
assert(jConstructor != 0);
jLockObject = (*env)->NewObject(env, jObjectClass, jConstructor);
assert(jLockObject != 0);
jLockObject = (*env)->NewGlobalRef(env, jLockObject);
return jLockObject ;
}
/*
* Create a new object for locking.
*/
void destroyLockObject(JNIEnv *env, jobject jLockObject) {
if (jLockObject != NULL) {
(*env)->DeleteGlobalRef(env, jLockObject);
}
}
/*
* Add the given pkcs11Implementation object to the list of present modules.
* Attach the given data to the entry. If the given pkcs11Implementation is
* already in the lsit, just override its old module data with the new one.
* None of the arguments can be NULL. If one of the arguments is NULL, this
* function does nothing.
*/
void putModuleEntry(JNIEnv *env, jobject pkcs11Implementation, ModuleData *moduleData) {
if (pkcs11Implementation == NULL_PTR) {
return ;
}
if (moduleData == NULL) {
return ;
}
(*env)->SetLongField(env, pkcs11Implementation, pNativeDataID, (jlong)moduleData);
}
/*
* Get the module data of the entry for the given pkcs11Implementation. Returns
* NULL, if the pkcs11Implementation is not in the list.
*/
ModuleData * getModuleEntry(JNIEnv *env, jobject pkcs11Implementation) {
jlong jData;
if (pkcs11Implementation == NULL) {
return NULL;
}
jData = (*env)->GetLongField(env, pkcs11Implementation, pNativeDataID);
return (ModuleData*)jData;
}
CK_FUNCTION_LIST_PTR getFunctionList(JNIEnv *env, jobject pkcs11Implementation) {
ModuleData *moduleData;
CK_FUNCTION_LIST_PTR ckpFunctions;
moduleData = getModuleEntry(env, pkcs11Implementation);
if (moduleData == NULL) {
throwDisconnectedRuntimeException(env);
return NULL;
}
ckpFunctions = moduleData->ckFunctionListPtr;
return ckpFunctions;
}
/*
* Returns 1, if the given pkcs11Implementation is in the list.
* 0, otherwise.
*/
int isModulePresent(JNIEnv *env, jobject pkcs11Implementation) {
int present;
ModuleData *moduleData = getModuleEntry(env, pkcs11Implementation);
present = (moduleData != NULL) ? 1 : 0;
return present ;
}
/*
* Removes the entry for the given pkcs11Implementation from the list. Returns
* the module's data, after the node was removed. If this function returns NULL
* the pkcs11Implementation was not in the list.
*/
ModuleData * removeModuleEntry(JNIEnv *env, jobject pkcs11Implementation) {
ModuleData *moduleData = getModuleEntry(env, pkcs11Implementation);
if (moduleData == NULL) {
return NULL;
}
(*env)->SetLongField(env, pkcs11Implementation, pNativeDataID, 0);
return moduleData;
}
/*
* Removes all present entries from the list of modules and frees all
* associated resources. This function is used for clean-up.
*/
void removeAllModuleEntries(JNIEnv *env) {
/* XXX empty */
}
/* ************************************************************************** */
/* Below there follow the helper functions to support conversions between */
/* Java and Cryptoki types */
/* ************************************************************************** */
/*
* function to convert a PKCS#11 return value into a PKCS#11Exception
*
* This function generates a PKCS#11Exception with the returnValue as the errorcode
* if the returnValue is not CKR_OK. The functin returns 0, if the returnValue is
* CKR_OK. Otherwise, it returns the returnValue as a jLong.
*
* @param env - used to call JNI funktions and to get the Exception class
* @param returnValue - of the PKCS#11 function
*/
jlong ckAssertReturnValueOK(JNIEnv *env, CK_RV returnValue)
{
jclass jPKCS11ExceptionClass;
jmethodID jConstructor;
jthrowable jPKCS11Exception;
jlong jErrorCode;
if (returnValue == CKR_OK) {
return 0L ;
} else {
jPKCS11ExceptionClass = (*env)->FindClass(env, CLASS_PKCS11EXCEPTION);
assert(jPKCS11ExceptionClass != 0);
jConstructor = (*env)->GetMethodID(env, jPKCS11ExceptionClass, "<init>", "(J)V");
assert(jConstructor != 0);
jErrorCode = ckULongToJLong(returnValue);
jPKCS11Exception = (jthrowable) (*env)->NewObject(env, jPKCS11ExceptionClass, jConstructor, jErrorCode);
(*env)->Throw(env, jPKCS11Exception);
return jErrorCode ;
}
}
/*
* this function simply throws a FileNotFoundException
*
* @param env Used to call JNI funktions and to get the Exception class.
* @param jmessage The message string of the Exception object.
*/
void throwFileNotFoundException(JNIEnv *env, jstring jmessage)
{
jclass jFileNotFoundExceptionClass;
jmethodID jConstructor;
jthrowable jFileNotFoundException;
jFileNotFoundExceptionClass = (*env)->FindClass(env, CLASS_FILE_NOT_FOUND_EXCEPTION);
assert(jFileNotFoundExceptionClass != 0);
jConstructor = (*env)->GetMethodID(env, jFileNotFoundExceptionClass, "<init>", "(Ljava/lang/String;)V");
assert(jConstructor != 0);
jFileNotFoundException = (jthrowable) (*env)->NewObject(env, jFileNotFoundExceptionClass, jConstructor, jmessage);
(*env)->Throw(env, jFileNotFoundException);
}
/*
* this function simply throws an IOException
*
* @param env Used to call JNI funktions and to get the Exception class.
* @param message The message string of the Exception object.
*/
void throwIOException(JNIEnv *env, const char * message)
{
jclass jIOExceptionClass;
jIOExceptionClass = (*env)->FindClass(env, CLASS_IO_EXCEPTION);
assert(jIOExceptionClass != 0);
(*env)->ThrowNew(env, jIOExceptionClass, message);
}
/*
* this function simply throws an IOException and takes a unicode
* messge.
*
* @param env Used to call JNI funktions and to get the Exception class.
* @param message The unicode message string of the Exception object.
*/
void throwIOExceptionUnicodeMessage(JNIEnv *env, const short *message)
{
jclass jIOExceptionClass;
jmethodID jConstructor;
jthrowable jIOException;
jstring jmessage;
jsize length;
short *currentCharacter;
jIOExceptionClass = (*env)->FindClass(env, CLASS_IO_EXCEPTION);
assert(jIOExceptionClass != 0);
length = 0;
if (message != NULL) {
currentCharacter = (short *) message;
while (*(currentCharacter++) != 0) length++;
}
jmessage = (*env)->NewString(env, (const jchar *)message, length);
jConstructor = (*env)->GetMethodID(env, jIOExceptionClass, "<init>", "(Ljava/lang/String;)V");
assert(jConstructor != 0);
jIOException = (jthrowable) (*env)->NewObject(env, jIOExceptionClass, jConstructor, jmessage);
(*env)->Throw(env, jIOException);
}
/*
* This function simply throws a PKCS#11RuntimeException with the given
* string as its message. If the message is NULL, the exception is created
* using the default constructor.
*
* @param env Used to call JNI funktions and to get the Exception class.
* @param jmessage The message string of the Exception object.
*/
void throwPKCS11RuntimeException(JNIEnv *env, jstring jmessage)
{
jclass jPKCS11RuntimeExceptionClass;
jmethodID jConstructor;
jthrowable jPKCS11RuntimeException;
jPKCS11RuntimeExceptionClass = (*env)->FindClass(env, CLASS_PKCS11RUNTIMEEXCEPTION);
assert(jPKCS11RuntimeExceptionClass != 0);
if (jmessage == NULL) {
jConstructor = (*env)->GetMethodID(env, jPKCS11RuntimeExceptionClass, "<init>", "()V");
assert(jConstructor != 0);
jPKCS11RuntimeException = (jthrowable) (*env)->NewObject(env, jPKCS11RuntimeExceptionClass, jConstructor);
(*env)->Throw(env, jPKCS11RuntimeException);
} else {
jConstructor = (*env)->GetMethodID(env, jPKCS11RuntimeExceptionClass, "<init>", "(Ljava/lang/String;)V");
assert(jConstructor != 0);
jPKCS11RuntimeException = (jthrowable) (*env)->NewObject(env, jPKCS11RuntimeExceptionClass, jConstructor, jmessage);
(*env)->Throw(env, jPKCS11RuntimeException);
}
}
/*
* This function simply throws a PKCS#11RuntimeException. The message says that
* the object is not connected to the module.
*
* @param env Used to call JNI funktions and to get the Exception class.
*/
void throwDisconnectedRuntimeException(JNIEnv *env)
{
jstring jExceptionMessage = (*env)->NewStringUTF(env, "This object is not connected to a module.");
throwPKCS11RuntimeException(env, jExceptionMessage);
}
/*
* the following functions convert Java arrays to PKCS#11 array pointers and
* their array length and vice versa
*
* void j<Type>ArrayToCK<Type>Array(JNIEnv *env,
* const j<Type>Array jArray,
* CK_<Type>_PTR *ckpArray,
* CK_ULONG_PTR ckLength);
*
* j<Type>Array ck<Type>ArrayToJ<Type>Array(JNIEnv *env,
* const CK_<Type>_PTR ckpArray,
* CK_ULONG ckLength);
*
* PKCS#11 arrays consist always of a pointer to the beginning of the array and
* the array length whereas Java arrays carry their array length.
*
* The Functions to convert a Java array to a PKCS#11 array are void functions.
* Their arguments are the Java array object to convert, the reference to the
* array pointer, where the new PKCS#11 array should be stored and the reference
* to the array length where the PKCS#11 array length should be stored. These two
* references must not be NULL_PTR.
*
* The functions first obtain the array length of the Java array and then allocate
* the memory for the PKCS#11 array and set the array length. Then each element
* gets converted depending on their type. After use the allocated memory of the
* PKCS#11 array has to be explicitly freed.
*
* The Functions to convert a PKCS#11 array to a Java array get the PKCS#11 array
* pointer and the array length and they return the new Java array object. The
* Java array does not need to get freed after use.
*/
/*
* converts a jbooleanArray to a CK_BBOOL array. The allocated memory has to be freed after use!
*
* @param env - used to call JNI funktions to get the array informtaion
* @param jArray - the Java array to convert
* @param ckpArray - the reference, where the pointer to the new CK_BBOOL array will be stored
* @param ckpLength - the reference, where the array length will be stored
*/
void jBooleanArrayToCKBBoolArray(JNIEnv *env, const jbooleanArray jArray, CK_BBOOL **ckpArray, CK_ULONG_PTR ckpLength)
{
jboolean* jpTemp;
CK_ULONG i;
if(jArray == NULL) {
*ckpArray = NULL_PTR;
*ckpLength = 0L;
return;
}
*ckpLength = (*env)->GetArrayLength(env, jArray);
jpTemp = (jboolean*) malloc((*ckpLength) * sizeof(jboolean));
(*env)->GetBooleanArrayRegion(env, jArray, 0, *ckpLength, jpTemp);
*ckpArray = (CK_BBOOL*) malloc ((*ckpLength) * sizeof(CK_BBOOL));
for (i=0; i<(*ckpLength); i++) {
(*ckpArray)[i] = jBooleanToCKBBool(jpTemp[i]);
}
free(jpTemp);
}
/*
* converts a jbyteArray to a CK_BYTE array. The allocated memory has to be freed after use!
*
* @param env - used to call JNI funktions to get the array informtaion
* @param jArray - the Java array to convert
* @param ckpArray - the reference, where the pointer to the new CK_BYTE array will be stored
* @param ckpLength - the reference, where the array length will be stored
*/
void jByteArrayToCKByteArray(JNIEnv *env, const jbyteArray jArray, CK_BYTE_PTR *ckpArray, CK_ULONG_PTR ckpLength)
{
jbyte* jpTemp;
CK_ULONG i;
if(jArray == NULL) {
*ckpArray = NULL_PTR;
*ckpLength = 0L;
return;
}
*ckpLength = (*env)->GetArrayLength(env, jArray);
jpTemp = (jbyte*) malloc((*ckpLength) * sizeof(jbyte));
(*env)->GetByteArrayRegion(env, jArray, 0, *ckpLength, jpTemp);
/* if CK_BYTE is the same size as jbyte, we save an additional copy */
if (sizeof(CK_BYTE) == sizeof(jbyte)) {
*ckpArray = (CK_BYTE_PTR) jpTemp;
} else {
*ckpArray = (CK_BYTE_PTR) malloc ((*ckpLength) * sizeof(CK_BYTE));
for (i=0; i<(*ckpLength); i++) {
(*ckpArray)[i] = jByteToCKByte(jpTemp[i]);
}
free(jpTemp);
}
}
/*
* converts a jlongArray to a CK_ULONG array. The allocated memory has to be freed after use!
*
* @param env - used to call JNI funktions to get the array informtaion
* @param jArray - the Java array to convert
* @param ckpArray - the reference, where the pointer to the new CK_ULONG array will be stored
* @param ckpLength - the reference, where the array length will be stored
*/
void jLongArrayToCKULongArray(JNIEnv *env, const jlongArray jArray, CK_ULONG_PTR *ckpArray, CK_ULONG_PTR ckpLength)
{
jlong* jTemp;
CK_ULONG i;
if(jArray == NULL) {
*ckpArray = NULL_PTR;
*ckpLength = 0L;
return;
}
*ckpLength = (*env)->GetArrayLength(env, jArray);
jTemp = (jlong*) malloc((*ckpLength) * sizeof(jlong));
(*env)->GetLongArrayRegion(env, jArray, 0, *ckpLength, jTemp);
*ckpArray = (CK_ULONG_PTR) malloc (*ckpLength * sizeof(CK_ULONG));
for (i=0; i<(*ckpLength); i++) {
(*ckpArray)[i] = jLongToCKULong(jTemp[i]);
}
free(jTemp);
}
/*
* converts a jcharArray to a CK_CHAR array. The allocated memory has to be freed after use!
*
* @param env - used to call JNI funktions to get the array informtaion
* @param jArray - the Java array to convert
* @param ckpArray - the reference, where the pointer to the new CK_CHAR array will be stored
* @param ckpLength - the reference, where the array length will be stored
*/
void jCharArrayToCKCharArray(JNIEnv *env, const jcharArray jArray, CK_CHAR_PTR *ckpArray, CK_ULONG_PTR ckpLength)
{
jchar* jpTemp;
CK_ULONG i;
if(jArray == NULL) {
*ckpArray = NULL_PTR;
*ckpLength = 0L;
return;
}
*ckpLength = (*env)->GetArrayLength(env, jArray);
jpTemp = (jchar*) malloc((*ckpLength) * sizeof(jchar));
(*env)->GetCharArrayRegion(env, jArray, 0, *ckpLength, jpTemp);
*ckpArray = (CK_CHAR_PTR) malloc (*ckpLength * sizeof(CK_CHAR));
for (i=0; i<(*ckpLength); i++) {
(*ckpArray)[i] = jCharToCKChar(jpTemp[i]);
}
free(jpTemp);
}
/*
* converts a jcharArray to a CK_UTF8CHAR array. The allocated memory has to be freed after use!
*
* @param env - used to call JNI funktions to get the array informtaion
* @param jArray - the Java array to convert
* @param ckpArray - the reference, where the pointer to the new CK_UTF8CHAR array will be stored
* @param ckpLength - the reference, where the array length will be stored
*/
void jCharArrayToCKUTF8CharArray(JNIEnv *env, const jcharArray jArray, CK_UTF8CHAR_PTR *ckpArray, CK_ULONG_PTR ckpLength)
{
jchar* jTemp;
CK_ULONG i;
if(jArray == NULL) {
*ckpArray = NULL_PTR;
*ckpLength = 0L;
return;
}
*ckpLength = (*env)->GetArrayLength(env, jArray);
jTemp = (jchar*) malloc((*ckpLength) * sizeof(jchar));
(*env)->GetCharArrayRegion(env, jArray, 0, *ckpLength, jTemp);
*ckpArray = (CK_UTF8CHAR_PTR) malloc (*ckpLength * sizeof(CK_UTF8CHAR));
for (i=0; i<(*ckpLength); i++) {
(*ckpArray)[i] = jCharToCKUTF8Char(jTemp[i]);
}
free(jTemp);
}
/*
* converts a jstring to a CK_CHAR array. The allocated memory has to be freed after use!
*
* @param env - used to call JNI funktions to get the array informtaion
* @param jArray - the Java array to convert
* @param ckpArray - the reference, where the pointer to the new CK_CHAR array will be stored
* @param ckpLength - the reference, where the array length will be stored
*/
void jStringToCKUTF8CharArray(JNIEnv *env, const jstring jArray, CK_UTF8CHAR_PTR *ckpArray, CK_ULONG_PTR ckpLength)
{
const char* pCharArray;
jboolean isCopy;
if(jArray == NULL) {
*ckpArray = NULL_PTR;
*ckpLength = 0L;
return;
}
pCharArray = (*env)->GetStringUTFChars(env, jArray, &isCopy);
*ckpLength = strlen(pCharArray);
*ckpArray = (CK_UTF8CHAR_PTR) malloc((*ckpLength + 1) * sizeof(CK_UTF8CHAR));
strcpy((char*)*ckpArray, pCharArray);
(*env)->ReleaseStringUTFChars(env, (jstring) jArray, pCharArray);
}
/*
* converts a jobjectArray with Java Attributes to a CK_ATTRIBUTE array. The allocated memory
* has to be freed after use!
*
* @param env - used to call JNI funktions to get the array informtaion
* @param jArray - the Java Attribute array (template) to convert
* @param ckpArray - the reference, where the pointer to the new CK_ATTRIBUTE array will be
* stored
* @param ckpLength - the reference, where the array length will be stored
*/
void jAttributeArrayToCKAttributeArray(JNIEnv *env, jobjectArray jArray, CK_ATTRIBUTE_PTR *ckpArray, CK_ULONG_PTR ckpLength)
{
CK_ULONG i;
jlong jLength;
jobject jAttribute;
TRACE0("\nDEBUG: jAttributeArrayToCKAttributeArray");
if (jArray == NULL) {
*ckpArray = NULL_PTR;
*ckpLength = 0L;
return;
}
jLength = (*env)->GetArrayLength(env, jArray);
*ckpLength = jLongToCKULong(jLength);
*ckpArray = (CK_ATTRIBUTE_PTR) malloc(*ckpLength * sizeof(CK_ATTRIBUTE));
TRACE1(", converting %d attibutes", jLength);
for (i=0; i<(*ckpLength); i++) {
TRACE1(", getting %d. attibute", i);
jAttribute = (*env)->GetObjectArrayElement(env, jArray, i);
TRACE1(", jAttribute = %d", jAttribute);
TRACE1(", converting %d. attibute", i);
(*ckpArray)[i] = jAttributeToCKAttribute(env, jAttribute);
}
TRACE0("FINISHED\n");
}
/*
* converts a jobjectArray to a CK_VOID_PTR array. The allocated memory has to be freed after
* use!
* NOTE: this function does not work and is not used yet
*
* @param env - used to call JNI funktions to get the array informtaion
* @param jArray - the Java object array to convert
* @param ckpArray - the reference, where the pointer to the new CK_VOID_PTR array will be stored
* @param ckpLength - the reference, where the array length will be stored
*/
/*
void jObjectArrayToCKVoidPtrArray(JNIEnv *env, const jobjectArray jArray, CK_VOID_PTR_PTR *ckpArray, CK_ULONG_PTR ckpLength)
{
jobject jTemp;
CK_ULONG i;
if(jArray == NULL) {
*ckpArray = NULL_PTR;
*ckpLength = 0L;
return;
}
*ckpLength = (*env)->GetArrayLength(env, jArray);
*ckpArray = (CK_VOID_PTR_PTR) malloc (*ckpLength * sizeof(CK_VOID_PTR));
for (i=0; i<(*ckpLength); i++) {
jTemp = (*env)->GetObjectArrayElement(env, jArray, i);
(*ckpArray)[i] = jObjectToCKVoidPtr(jTemp);
}
free(jTemp);
}
*/
/*
* converts a CK_BYTE array and its length to a jbyteArray.
*
* @param env - used to call JNI funktions to create the new Java array
* @param ckpArray - the pointer to the CK_BYTE array to convert
* @param ckpLength - the length of the array to convert
* @return - the new Java byte array
*/
jbyteArray ckByteArrayToJByteArray(JNIEnv *env, const CK_BYTE_PTR ckpArray, CK_ULONG ckLength)
{
CK_ULONG i;
jbyte* jpTemp;
jbyteArray jArray;
/* if CK_BYTE is the same size as jbyte, we save an additional copy */
if (sizeof(CK_BYTE) == sizeof(jbyte)) {
jpTemp = (jbyte*) ckpArray;
} else {
jpTemp = (jbyte*) malloc((ckLength) * sizeof(jbyte));
for (i=0; i<ckLength; i++) {
jpTemp[i] = ckByteToJByte(ckpArray[i]);
}
}
jArray = (*env)->NewByteArray(env, ckULongToJSize(ckLength));
(*env)->SetByteArrayRegion(env, jArray, 0, ckULongToJSize(ckLength), jpTemp);
if (sizeof(CK_BYTE) != sizeof(jbyte)) {
free(jpTemp);
}
return jArray ;
}
/*
* converts a CK_ULONG array and its length to a jlongArray.
*
* @param env - used to call JNI funktions to create the new Java array
* @param ckpArray - the pointer to the CK_ULONG array to convert
* @param ckpLength - the length of the array to convert
* @return - the new Java long array
*/
jlongArray ckULongArrayToJLongArray(JNIEnv *env, const CK_ULONG_PTR ckpArray, CK_ULONG ckLength)
{
CK_ULONG i;
jlong* jpTemp;
jlongArray jArray;
jpTemp = (jlong*) malloc((ckLength) * sizeof(jlong));
for (i=0; i<ckLength; i++) {
jpTemp[i] = ckLongToJLong(ckpArray[i]);
}
jArray = (*env)->NewLongArray(env, ckULongToJSize(ckLength));
(*env)->SetLongArrayRegion(env, jArray, 0, ckULongToJSize(ckLength), jpTemp);
free(jpTemp);
return jArray ;
}
/*
* converts a CK_CHAR array and its length to a jcharArray.
*
* @param env - used to call JNI funktions to create the new Java array
* @param ckpArray - the pointer to the CK_CHAR array to convert
* @param ckpLength - the length of the array to convert
* @return - the new Java char array
*/
jcharArray ckCharArrayToJCharArray(JNIEnv *env, const CK_CHAR_PTR ckpArray, CK_ULONG ckLength)
{
CK_ULONG i;
jchar* jpTemp;
jcharArray jArray;
jpTemp = (jchar*) malloc(ckLength * sizeof(jchar));
for (i=0; i<ckLength; i++) {
jpTemp[i] = ckCharToJChar(ckpArray[i]);
}
jArray = (*env)->NewCharArray(env, ckULongToJSize(ckLength));
(*env)->SetCharArrayRegion(env, jArray, 0, ckULongToJSize(ckLength), jpTemp);
free(jpTemp);
return jArray ;
}
/*
* converts a CK_UTF8CHAR array and its length to a jcharArray.
*
* @param env - used to call JNI funktions to create the new Java array
* @param ckpArray - the pointer to the CK_UTF8CHAR array to convert
* @param ckpLength - the length of the array to convert
* @return - the new Java char array
*/
jcharArray ckUTF8CharArrayToJCharArray(JNIEnv *env, const CK_UTF8CHAR_PTR ckpArray, CK_ULONG ckLength)
{
CK_ULONG i;
jchar* jpTemp;
jcharArray jArray;
jpTemp = (jchar*) malloc(ckLength * sizeof(jchar));
for (i=0; i<ckLength; i++) {
jpTemp[i] = ckUTF8CharToJChar(ckpArray[i]);
}
jArray = (*env)->NewCharArray(env, ckULongToJSize(ckLength));
(*env)->SetCharArrayRegion(env, jArray, 0, ckULongToJSize(ckLength), jpTemp);
free(jpTemp);
return jArray ;
}
/*
* the following functions convert Java objects to PKCS#11 pointers and the
* length in bytes and vice versa
*
* CK_<Type>_PTR j<Object>ToCK<Type>Ptr(JNIEnv *env, jobject jObject);
*
* jobject ck<Type>PtrToJ<Object>(JNIEnv *env, const CK_<Type>_PTR ckpValue);
*
* The functions that convert a Java object to a PKCS#11 pointer first allocate
* the memory for the PKCS#11 pointer. Then they set each element corresponding
* to the fields in the Java object to convert. After use the allocated memory of
* the PKCS#11 pointer has to be explicitly freed.
*
* The functions to convert a PKCS#11 pointer to a Java object create a new Java
* object first and than they set all fields in the object depending on the values
* of the type or structure where the PKCS#11 pointer points to.
*/
/*
* converts a CK_BBOOL pointer to a Java boolean Object.
*
* @param env - used to call JNI funktions to create the new Java object
* @param ckpValue - the pointer to the CK_BBOOL value
* @return - the new Java boolean object with the boolean value
*/
jobject ckBBoolPtrToJBooleanObject(JNIEnv *env, const CK_BBOOL *ckpValue)
{
jclass jValueObjectClass;
jmethodID jConstructor;
jobject jValueObject;
jboolean jValue;
jValueObjectClass = (*env)->FindClass(env, "java/lang/Boolean");
assert(jValueObjectClass != 0);
jConstructor = (*env)->GetMethodID(env, jValueObjectClass, "<init>", "(Z)V");
assert(jConstructor != 0);
jValue = ckBBoolToJBoolean(*ckpValue);
jValueObject = (*env)->NewObject(env, jValueObjectClass, jConstructor, jValue);
assert(jValueObject != 0);
return jValueObject ;
}
/*
* converts a CK_ULONG pointer to a Java long Object.
*
* @param env - used to call JNI funktions to create the new Java object
* @param ckpValue - the pointer to the CK_ULONG value
* @return - the new Java long object with the long value
*/
jobject ckULongPtrToJLongObject(JNIEnv *env, const CK_ULONG_PTR ckpValue)
{
jclass jValueObjectClass;
jmethodID jConstructor;
jobject jValueObject;
jlong jValue;
jValueObjectClass = (*env)->FindClass(env, "java/lang/Long");
assert(jValueObjectClass != 0);
jConstructor = (*env)->GetMethodID(env, jValueObjectClass, "<init>", "(J)V");
assert(jConstructor != 0);
jValue = ckULongToJLong(*ckpValue);
jValueObject = (*env)->NewObject(env, jValueObjectClass, jConstructor, jValue);
assert(jValueObject != 0);
return jValueObject ;
}
/*
* converts a Java boolean object into a pointer to a CK_BBOOL value. The memory has to be
* freed after use!
*
* @param env - used to call JNI funktions to get the value out of the Java object
* @param jObject - the "java/lang/Boolean" object to convert
* @return - the pointer to the new CK_BBOOL value
*/
CK_BBOOL* jBooleanObjectToCKBBoolPtr(JNIEnv *env, jobject jObject)
{
jclass jObjectClass;
jmethodID jValueMethod;
jboolean jValue;
CK_BBOOL *ckpValue;
jObjectClass = (*env)->FindClass(env, "java/lang/Boolean");
assert(jObjectClass != 0);
jValueMethod = (*env)->GetMethodID(env, jObjectClass, "booleanValue", "()Z");
assert(jValueMethod != 0);
jValue = (*env)->CallBooleanMethod(env, jObject, jValueMethod);
ckpValue = (CK_BBOOL *) malloc(sizeof(CK_BBOOL));
*ckpValue = jBooleanToCKBBool(jValue);
return ckpValue ;
}
/*
* converts a Java byte object into a pointer to a CK_BYTE value. The memory has to be
* freed after use!
*
* @param env - used to call JNI funktions to get the value out of the Java object
* @param jObject - the "java/lang/Byte" object to convert
* @return - the pointer to the new CK_BYTE value
*/
CK_BYTE_PTR jByteObjectToCKBytePtr(JNIEnv *env, jobject jObject)
{
jclass jObjectClass;
jmethodID jValueMethod;
jbyte jValue;
CK_BYTE_PTR ckpValue;
jObjectClass = (*env)->FindClass(env, "java/lang/Byte");
assert(jObjectClass != 0);
jValueMethod = (*env)->GetMethodID(env, jObjectClass, "byteValue", "()B");
assert(jValueMethod != 0);
jValue = (*env)->CallByteMethod(env, jObject, jValueMethod);
ckpValue = (CK_BYTE_PTR) malloc(sizeof(CK_BYTE));
*ckpValue = jByteToCKByte(jValue);
return ckpValue ;
}
/*
* converts a Java integer object into a pointer to a CK_ULONG value. The memory has to be
* freed after use!
*
* @param env - used to call JNI funktions to get the value out of the Java object
* @param jObject - the "java/lang/Integer" object to convert
* @return - the pointer to the new CK_ULONG value
*/
CK_ULONG* jIntegerObjectToCKULongPtr(JNIEnv *env, jobject jObject)
{
jclass jObjectClass;
jmethodID jValueMethod;
jint jValue;
CK_ULONG *ckpValue;
jObjectClass = (*env)->FindClass(env, "java/lang/Integer");
assert(jObjectClass != 0);
jValueMethod = (*env)->GetMethodID(env, jObjectClass, "intValue", "()I");
assert(jValueMethod != 0);
jValue = (*env)->CallIntMethod(env, jObject, jValueMethod);
ckpValue = (CK_ULONG *) malloc(sizeof(CK_ULONG));
*ckpValue = jLongToCKLong(jValue);
return ckpValue ;
}
/*
* converts a Java long object into a pointer to a CK_ULONG value. The memory has to be
* freed after use!
*
* @param env - used to call JNI funktions to get the value out of the Java object
* @param jObject - the "java/lang/Long" object to convert
* @return - the pointer to the new CK_ULONG value
*/
CK_ULONG* jLongObjectToCKULongPtr(JNIEnv *env, jobject jObject)
{
jclass jObjectClass;
jmethodID jValueMethod;
jlong jValue;
CK_ULONG *ckpValue;
jObjectClass = (*env)->FindClass(env, "java/lang/Long");
assert(jObjectClass != 0);
jValueMethod = (*env)->GetMethodID(env, jObjectClass, "longValue", "()J");
assert(jValueMethod != 0);
jValue = (*env)->CallLongMethod(env, jObject, jValueMethod);
ckpValue = (CK_ULONG *) malloc(sizeof(CK_ULONG));
*ckpValue = jLongToCKULong(jValue);
return ckpValue ;
}
/*
* converts a Java char object into a pointer to a CK_CHAR value. The memory has to be
* freed after use!
*
* @param env - used to call JNI funktions to get the value out of the Java object
* @param jObject - the "java/lang/Char" object to convert
* @return - the pointer to the new CK_CHAR value
*/
CK_CHAR_PTR jCharObjectToCKCharPtr(JNIEnv *env, jobject jObject)
{
jclass jObjectClass;
jmethodID jValueMethod;
jchar jValue;
CK_CHAR_PTR ckpValue;
jObjectClass = (*env)->FindClass(env, "java/lang/Char");
assert(jObjectClass != 0);
jValueMethod = (*env)->GetMethodID(env, jObjectClass, "charValue", "()C");
assert(jValueMethod != 0);
jValue = (*env)->CallCharMethod(env, jObject, jValueMethod);
ckpValue = (CK_CHAR_PTR) malloc(sizeof(CK_CHAR));
*ckpValue = jCharToCKChar(jValue);
return ckpValue ;
}
/*
* converts a Java object into a pointer to CK-type or a CK-structure with the length in Bytes.
* The memory of *ckpObjectPtr to be freed after use! This function is only used by
* jAttributeToCKAttribute by now.
*
* @param env - used to call JNI funktions to get the Java classes and objects
* @param jObject - the Java object to convert
* @param ckpObjectPtr - the reference of the new pointer to the new CK-value or CK-structure
* @param ckpLength - the reference of the length in bytes of the new CK-value or CK-structure
*/
void jObjectToPrimitiveCKObjectPtrPtr(JNIEnv *env, jobject jObject, CK_VOID_PTR *ckpObjectPtr, CK_ULONG *ckpLength)
{
jclass jBooleanClass = (*env)->FindClass(env, "java/lang/Boolean");
jclass jByteClass = (*env)->FindClass(env, "java/lang/Byte");
jclass jCharacterClass = (*env)->FindClass(env, "java/lang/Character");
jclass jClassClass = (*env)->FindClass(env, "java/lang/Class");
/* jclass jShortClass = (*env)->FindClass(env, "java/lang/Short"); */
jclass jIntegerClass = (*env)->FindClass(env, "java/lang/Integer");
jclass jLongClass = (*env)->FindClass(env, "java/lang/Long");
/* jclass jFloatClass = (*env)->FindClass(env, "java/lang/Float"); */
/* jclass jDoubleClass = (*env)->FindClass(env, "java/lang/Double"); */
jclass jDateClass = (*env)->FindClass(env, CLASS_DATE);
jclass jStringClass = (*env)->FindClass(env, "java/lang/String");
jclass jStringBufferClass = (*env)->FindClass(env, "java/lang/StringBuffer");
jclass jBooleanArrayClass = (*env)->FindClass(env, "[Z");
jclass jByteArrayClass = (*env)->FindClass(env, "[B");
jclass jCharArrayClass = (*env)->FindClass(env, "[C");
/* jclass jShortArrayClass = (*env)->FindClass(env, "[S"); */
jclass jIntArrayClass = (*env)->FindClass(env, "[I");
jclass jLongArrayClass = (*env)->FindClass(env, "[J");
/* jclass jFloatArrayClass = (*env)->FindClass(env, "[F"); */
/* jclass jDoubleArrayClass = (*env)->FindClass(env, "[D"); */
jclass jObjectClass = (*env)->FindClass(env, "java/lang/Object");
/* jclass jObjectArrayClass = (*env)->FindClass(env, "[java/lang/Object"); */
/* ATTENTION: jObjectArrayClass is always NULL !! */
/* CK_ULONG ckArrayLength; */
/* CK_VOID_PTR *ckpElementObject; */
/* CK_ULONG ckElementLength; */
/* CK_ULONG i; */
CK_VOID_PTR ckpVoid = *ckpObjectPtr;
jmethodID jMethod;
jobject jClassObject;
jstring jClassNameString;
jstring jExceptionMessagePrefix;
jobject jExceptionMessageStringBuffer;
jstring jExceptionMessage;
TRACE0("\nDEBUG: jObjectToPrimitiveCKObjectPtrPtr");
if (jObject == NULL) {
*ckpObjectPtr = NULL;
*ckpLength = 0;
} else if ((*env)->IsInstanceOf(env, jObject, jLongClass)) {
*ckpObjectPtr = jLongObjectToCKULongPtr(env, jObject);
*ckpLength = sizeof(CK_ULONG);
TRACE1("<converted long value %X>", *((CK_ULONG *) *ckpObjectPtr));
} else if ((*env)->IsInstanceOf(env, jObject, jBooleanClass)) {
*ckpObjectPtr = jBooleanObjectToCKBBoolPtr(env, jObject);
*ckpLength = sizeof(CK_BBOOL);
TRACE0(" <converted boolean value ");
TRACE0((*((CK_BBOOL *) *ckpObjectPtr) == TRUE) ? "TRUE>" : "FALSE>");
} else if ((*env)->IsInstanceOf(env, jObject, jByteArrayClass)) {
jByteArrayToCKByteArray(env, jObject, (CK_BYTE_PTR*)ckpObjectPtr, ckpLength);
} else if ((*env)->IsInstanceOf(env, jObject, jCharArrayClass)) {
jCharArrayToCKUTF8CharArray(env, jObject, (CK_UTF8CHAR_PTR*)ckpObjectPtr, ckpLength);
} else if ((*env)->IsInstanceOf(env, jObject, jByteClass)) {
*ckpObjectPtr = jByteObjectToCKBytePtr(env, jObject);
*ckpLength = sizeof(CK_BYTE);
TRACE1("<converted byte value %X>", *((CK_BYTE *) *ckpObjectPtr));
} else if ((*env)->IsInstanceOf(env, jObject, jDateClass)) {
*ckpObjectPtr = jDateObjectPtrToCKDatePtr(env, jObject);
*ckpLength = sizeof(CK_DATE);
TRACE3("<converted date value %.4s-%.2s-%.2s>", (*((CK_DATE *) *ckpObjectPtr)).year,
(*((CK_DATE *) *ckpObjectPtr)).month,
(*((CK_DATE *) *ckpObjectPtr)).day);
} else if ((*env)->IsInstanceOf(env, jObject, jCharacterClass)) {
*ckpObjectPtr = jCharObjectToCKCharPtr(env, jObject);
*ckpLength = sizeof(CK_UTF8CHAR);
TRACE1("<converted char value %c>", *((CK_CHAR *) *ckpObjectPtr));
} else if ((*env)->IsInstanceOf(env, jObject, jIntegerClass)) {
*ckpObjectPtr = jIntegerObjectToCKULongPtr(env, jObject);
*ckpLength = sizeof(CK_ULONG);
TRACE1("<converted integer value %X>", *((CK_ULONG *) *ckpObjectPtr));
} else if ((*env)->IsInstanceOf(env, jObject, jBooleanArrayClass)) {
jBooleanArrayToCKBBoolArray(env, jObject, (CK_BBOOL**)ckpObjectPtr, ckpLength);
} else if ((*env)->IsInstanceOf(env, jObject, jIntArrayClass)) {
jLongArrayToCKULongArray(env, jObject, (CK_ULONG_PTR*)ckpObjectPtr, ckpLength);
} else if ((*env)->IsInstanceOf(env, jObject, jLongArrayClass)) {
jLongArrayToCKULongArray(env, jObject, (CK_ULONG_PTR*)ckpObjectPtr, ckpLength);
} else if ((*env)->IsInstanceOf(env, jObject, jStringClass)) {
jStringToCKUTF8CharArray(env, jObject, (CK_UTF8CHAR_PTR*)ckpObjectPtr, ckpLength);
/* a Java object array is not used by CK_ATTRIBUTE by now... */
/* } else if ((*env)->IsInstanceOf(env, jObject, jObjectArrayClass)) {
ckArrayLength = (*env)->GetArrayLength(env, (jarray) jObject);
ckpObjectPtr = (CK_VOID_PTR_PTR) malloc(sizeof(CK_VOID_PTR) * ckArrayLength);
*ckpLength = 0;
for (i = 0; i < ckArrayLength; i++) {
jObjectToPrimitiveCKObjectPtrPtr(env, (*env)->GetObjectArrayElement(env, (jarray) jObject, i),
ckpElementObject, &ckElementLength);
(*ckpObjectPtr)[i] = *ckpElementObject;
*ckpLength += ckElementLength;
}
*/
} else {
/* type of jObject unknown, throw PKCS11RuntimeException */
jMethod = (*env)->GetMethodID(env, jObjectClass, "getClass", "()Ljava/lang/Class;");
assert(jMethod != 0);
jClassObject = (*env)->CallObjectMethod(env, jObject, jMethod);
assert(jClassObject != 0);
jMethod = (*env)->GetMethodID(env, jClassClass, "getName", "()Ljava/lang/String;");
assert(jMethod != 0);
jClassNameString = (jstring)
(*env)->CallObjectMethod(env, jClassObject, jMethod);
assert(jClassNameString != 0);
jExceptionMessagePrefix = (*env)->NewStringUTF(env, "Java object of this class cannot be converted to native PKCS#11 type: ");
jMethod = (*env)->GetMethodID(env, jStringBufferClass, "<init>", "(Ljava/lang/String;)V");
assert(jMethod != 0);
jExceptionMessageStringBuffer = (*env)->NewObject(env, jStringBufferClass, jMethod, jExceptionMessagePrefix);
assert(jClassNameString != 0);
jMethod = (*env)->GetMethodID(env, jStringBufferClass, "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;");
assert(jMethod != 0);
jExceptionMessage = (jstring)
(*env)->CallObjectMethod(env, jExceptionMessageStringBuffer, jMethod, jClassNameString);
assert(jExceptionMessage != 0);
throwPKCS11RuntimeException(env, jExceptionMessage);
*ckpObjectPtr = NULL;
*ckpLength = 0;
}
TRACE0("FINISHED\n");
}