--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/jdk.crypto.token/share/native/libj2pkcs11/p11_sessmgmt.c Wed Dec 14 10:51:13 2016 -0800
@@ -0,0 +1,634 @@
+/*
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. 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>
+
+#include "sun_security_pkcs11_wrapper_PKCS11.h"
+
+/* The list of notify callback handles that are currently active and waiting
+ * for callbacks from their sessions.
+ */
+#ifndef NO_CALLBACKS
+NotifyListNode *notifyListHead = NULL;
+jobject notifyListLock = NULL;
+#endif /* NO_CALLBACKS */
+
+#ifdef P11_ENABLE_C_OPENSESSION
+/*
+ * Class: sun_security_pkcs11_wrapper_PKCS11
+ * Method: C_OpenSession
+ * Signature: (JJLjava/lang/Object;Lsun/security/pkcs11/wrapper/CK_NOTIFY;)J
+ * Parametermapping: *PKCS11*
+ * @param jlong jSlotID CK_SLOT_ID slotID
+ * @param jlong jFlags CK_FLAGS flags
+ * @param jobject jApplication CK_VOID_PTR pApplication
+ * @param jobject jNotify CK_NOTIFY Notify
+ * @return jlong jSessionHandle CK_SESSION_HANDLE_PTR phSession
+ */
+JNIEXPORT jlong JNICALL Java_sun_security_pkcs11_wrapper_PKCS11_C_1OpenSession
+ (JNIEnv *env, jobject obj, jlong jSlotID, jlong jFlags, jobject jApplication, jobject jNotify)
+{
+ CK_SESSION_HANDLE ckSessionHandle;
+ CK_SLOT_ID ckSlotID;
+ CK_FLAGS ckFlags;
+ CK_VOID_PTR ckpApplication;
+ CK_NOTIFY ckNotify;
+ jlong jSessionHandle;
+ CK_RV rv;
+#ifndef NO_CALLBACKS
+ NotifyEncapsulation *notifyEncapsulation = NULL;
+#endif /* NO_CALLBACKS */
+
+ CK_FUNCTION_LIST_PTR ckpFunctions = getFunctionList(env, obj);
+ if (ckpFunctions == NULL) { return 0L; }
+
+ ckSlotID = jLongToCKULong(jSlotID);
+ ckFlags = jLongToCKULong(jFlags);
+
+#ifndef NO_CALLBACKS
+ if (jNotify != NULL) {
+ notifyEncapsulation = (NotifyEncapsulation *) malloc(sizeof(NotifyEncapsulation));
+ if (notifyEncapsulation == NULL) {
+ throwOutOfMemoryError(env, 0);
+ return 0L;
+ }
+ notifyEncapsulation->jApplicationData = (jApplication != NULL)
+ ? (*env)->NewGlobalRef(env, jApplication)
+ : NULL;
+ notifyEncapsulation->jNotifyObject = (*env)->NewGlobalRef(env, jNotify);
+ ckpApplication = notifyEncapsulation;
+ ckNotify = (CK_NOTIFY) ¬ifyCallback;
+ } else {
+ ckpApplication = NULL_PTR;
+ ckNotify = NULL_PTR;
+ }
+#else
+ ckpApplication = NULL_PTR;
+ ckNotify = NULL_PTR;
+#endif /* NO_CALLBACKS */
+
+ TRACE0("DEBUG: C_OpenSession");
+ TRACE1(", slotID=%u", ckSlotID);
+ TRACE1(", flags=%x", ckFlags);
+ TRACE0(" ... ");
+
+ rv = (*ckpFunctions->C_OpenSession)(ckSlotID, ckFlags, ckpApplication, ckNotify, &ckSessionHandle);
+ if (ckAssertReturnValueOK(env, rv) != CK_ASSERT_OK) {
+#ifndef NO_CALLBACKS
+ if (notifyEncapsulation != NULL) {
+ if (notifyEncapsulation->jApplicationData != NULL) {
+ (*env)->DeleteGlobalRef(env, jApplication);
+ }
+ (*env)->DeleteGlobalRef(env, jNotify);
+ free(notifyEncapsulation);
+ }
+#endif /* NO_CALLBACKS */
+ return 0L;
+ }
+
+ TRACE0("got session");
+ TRACE1(", SessionHandle=%u", ckSessionHandle);
+ TRACE0(" ... ");
+
+ jSessionHandle = ckULongToJLong(ckSessionHandle);
+
+#ifndef NO_CALLBACKS
+ if (notifyEncapsulation != NULL) {
+ /* store the notifyEncapsulation to enable later cleanup */
+ putNotifyEntry(env, ckSessionHandle, notifyEncapsulation);
+ }
+#endif /* NO_CALLBACKS */
+
+ TRACE0("FINISHED\n");
+
+ return jSessionHandle ;
+}
+#endif
+
+#ifdef P11_ENABLE_C_CLOSESESSION
+/*
+ * Class: sun_security_pkcs11_wrapper_PKCS11
+ * Method: C_CloseSession
+ * Signature: (J)V
+ * Parametermapping: *PKCS11*
+ * @param jlong jSessionHandle CK_SESSION_HANDLE hSession
+ */
+JNIEXPORT void JNICALL Java_sun_security_pkcs11_wrapper_PKCS11_C_1CloseSession
+ (JNIEnv *env, jobject obj, jlong jSessionHandle)
+{
+ CK_SESSION_HANDLE ckSessionHandle;
+ CK_RV rv;
+#ifndef NO_CALLBACKS
+ NotifyEncapsulation *notifyEncapsulation;
+ jobject jApplicationData;
+#endif /* NO_CALLBACKS */
+
+ CK_FUNCTION_LIST_PTR ckpFunctions = getFunctionList(env, obj);
+ if (ckpFunctions == NULL) { return; }
+
+ ckSessionHandle = jLongToCKULong(jSessionHandle);
+
+ rv = (*ckpFunctions->C_CloseSession)(ckSessionHandle);
+ if (ckAssertReturnValueOK(env, rv) != CK_ASSERT_OK) { return; }
+
+#ifndef NO_CALLBACKS
+ notifyEncapsulation = removeNotifyEntry(env, ckSessionHandle);
+
+ if (notifyEncapsulation != NULL) {
+ /* there was a notify object used with this session, now dump the
+ * encapsulation object
+ */
+ (*env)->DeleteGlobalRef(env, notifyEncapsulation->jNotifyObject);
+ jApplicationData = notifyEncapsulation->jApplicationData;
+ if (jApplicationData != NULL) {
+ (*env)->DeleteGlobalRef(env, jApplicationData);
+ }
+ free(notifyEncapsulation);
+ }
+#endif /* NO_CALLBACKS */
+
+}
+#endif
+
+#ifdef P11_ENABLE_C_CLOSEALLSESSIONS
+/*
+ * Class: sun_security_pkcs11_wrapper_PKCS11
+ * Method: C_CloseAllSessions
+ * Signature: (J)V
+ * Parametermapping: *PKCS11*
+ * @param jlong jSlotID CK_SLOT_ID slotID
+ */
+JNIEXPORT void JNICALL Java_sun_security_pkcs11_wrapper_PKCS11_C_1CloseAllSessions
+ (JNIEnv *env, jobject obj, jlong jSlotID)
+{
+ CK_SLOT_ID ckSlotID;
+ CK_RV rv;
+#ifndef NO_CALLBACKS
+ NotifyEncapsulation *notifyEncapsulation;
+ jobject jApplicationData;
+#endif /* NO_CALLBACKS */
+
+ CK_FUNCTION_LIST_PTR ckpFunctions = getFunctionList(env, obj);
+ if (ckpFunctions == NULL) { return; }
+
+ ckSlotID = jLongToCKULong(jSlotID);
+
+ rv = (*ckpFunctions->C_CloseAllSessions)(ckSlotID);
+ if (ckAssertReturnValueOK(env, rv) != CK_ASSERT_OK) { return; }
+
+#ifndef NO_CALLBACKS
+ /* Remove all notify callback helper objects. */
+ while ((notifyEncapsulation = removeFirstNotifyEntry(env)) != NULL) {
+ /* there was a notify object used with this session, now dump the
+ * encapsulation object
+ */
+ (*env)->DeleteGlobalRef(env, notifyEncapsulation->jNotifyObject);
+ jApplicationData = notifyEncapsulation->jApplicationData;
+ if (jApplicationData != NULL) {
+ (*env)->DeleteGlobalRef(env, jApplicationData);
+ }
+ free(notifyEncapsulation);
+ }
+#endif /* NO_CALLBACKS */
+}
+#endif
+
+#ifdef P11_ENABLE_C_GETSESSIONINFO
+/*
+ * Class: sun_security_pkcs11_wrapper_PKCS11
+ * Method: C_GetSessionInfo
+ * Signature: (J)Lsun/security/pkcs11/wrapper/CK_SESSION_INFO;
+ * Parametermapping: *PKCS11*
+ * @param jlong jSessionHandle CK_SESSION_HANDLE hSession
+ * @return jobject jSessionInfo CK_SESSION_INFO_PTR pInfo
+ */
+JNIEXPORT jobject JNICALL Java_sun_security_pkcs11_wrapper_PKCS11_C_1GetSessionInfo
+ (JNIEnv *env, jobject obj, jlong jSessionHandle)
+{
+ CK_SESSION_HANDLE ckSessionHandle;
+ CK_SESSION_INFO ckSessionInfo;
+ jobject jSessionInfo=NULL;
+ CK_RV rv;
+
+ CK_FUNCTION_LIST_PTR ckpFunctions = getFunctionList(env, obj);
+ if (ckpFunctions == NULL) { return NULL; }
+
+ ckSessionHandle = jLongToCKULong(jSessionHandle);
+
+ rv = (*ckpFunctions->C_GetSessionInfo)(ckSessionHandle, &ckSessionInfo);
+ if (ckAssertReturnValueOK(env, rv) == CK_ASSERT_OK) {
+ jSessionInfo = ckSessionInfoPtrToJSessionInfo(env, &ckSessionInfo);
+ }
+ return jSessionInfo ;
+}
+#endif
+
+#ifdef P11_ENABLE_C_GETOPERATIONSTATE
+/*
+ * Class: sun_security_pkcs11_wrapper_PKCS11
+ * Method: C_GetOperationState
+ * Signature: (J)[B
+ * Parametermapping: *PKCS11*
+ * @param jlong jSessionHandle CK_SESSION_HANDLE hSession
+ * @return jbyteArray jState CK_BYTE_PTR pOperationState
+ * CK_ULONG_PTR pulOperationStateLen
+ */
+JNIEXPORT jbyteArray JNICALL Java_sun_security_pkcs11_wrapper_PKCS11_C_1GetOperationState
+ (JNIEnv *env, jobject obj, jlong jSessionHandle)
+{
+ CK_SESSION_HANDLE ckSessionHandle;
+ CK_BYTE_PTR ckpState;
+ CK_ULONG ckStateLength;
+ jbyteArray jState = NULL;
+ CK_RV rv;
+
+ CK_FUNCTION_LIST_PTR ckpFunctions = getFunctionList(env, obj);
+ if (ckpFunctions == NULL) { return NULL; }
+
+ ckSessionHandle = jLongToCKULong(jSessionHandle);
+
+ rv = (*ckpFunctions->C_GetOperationState)(ckSessionHandle, NULL_PTR, &ckStateLength);
+ if (ckAssertReturnValueOK(env, rv) != CK_ASSERT_OK) { return NULL ; }
+
+ ckpState = (CK_BYTE_PTR) malloc(ckStateLength);
+ if (ckpState == NULL) {
+ throwOutOfMemoryError(env, 0);
+ return NULL;
+ }
+
+ rv = (*ckpFunctions->C_GetOperationState)(ckSessionHandle, ckpState, &ckStateLength);
+ if (ckAssertReturnValueOK(env, rv) == CK_ASSERT_OK) {
+ jState = ckByteArrayToJByteArray(env, ckpState, ckStateLength);
+ }
+ free(ckpState);
+
+ return jState ;
+}
+#endif
+
+#ifdef P11_ENABLE_C_SETOPERATIONSTATE
+/*
+ * Class: sun_security_pkcs11_wrapper_PKCS11
+ * Method: C_SetOperationState
+ * Signature: (J[BJJ)V
+ * Parametermapping: *PKCS11*
+ * @param jlong jSessionHandle CK_SESSION_HANDLE hSession
+ * @param jbyteArray jOperationState CK_BYTE_PTR pOperationState
+ * CK_ULONG ulOperationStateLen
+ * @param jlong jEncryptionKeyHandle CK_OBJECT_HANDLE hEncryptionKey
+ * @param jlong jAuthenticationKeyHandle CK_OBJECT_HANDLE hAuthenticationKey
+ */
+JNIEXPORT void JNICALL Java_sun_security_pkcs11_wrapper_PKCS11_C_1SetOperationState
+ (JNIEnv *env, jobject obj, jlong jSessionHandle, jbyteArray jOperationState, jlong jEncryptionKeyHandle, jlong jAuthenticationKeyHandle)
+{
+ CK_SESSION_HANDLE ckSessionHandle;
+ CK_BYTE_PTR ckpState = NULL_PTR;
+ CK_ULONG ckStateLength;
+ CK_OBJECT_HANDLE ckEncryptionKeyHandle;
+ CK_OBJECT_HANDLE ckAuthenticationKeyHandle;
+ CK_RV rv;
+
+ CK_FUNCTION_LIST_PTR ckpFunctions = getFunctionList(env, obj);
+ if (ckpFunctions == NULL) { return; }
+
+ ckSessionHandle = jLongToCKULong(jSessionHandle);
+ jByteArrayToCKByteArray(env, jOperationState, &ckpState, &ckStateLength);
+ if ((*env)->ExceptionCheck(env)) { return; }
+
+ ckEncryptionKeyHandle = jLongToCKULong(jEncryptionKeyHandle);
+ ckAuthenticationKeyHandle = jLongToCKULong(jAuthenticationKeyHandle);
+
+ rv = (*ckpFunctions->C_SetOperationState)(ckSessionHandle, ckpState, ckStateLength, ckEncryptionKeyHandle, ckAuthenticationKeyHandle);
+
+ free(ckpState);
+
+ if (ckAssertReturnValueOK(env, rv) != CK_ASSERT_OK) { return; }
+}
+#endif
+
+#ifdef P11_ENABLE_C_LOGIN
+/*
+ * Class: sun_security_pkcs11_wrapper_PKCS11
+ * Method: C_Login
+ * Signature: (JJ[C)V
+ * Parametermapping: *PKCS11*
+ * @param jlong jSessionHandle CK_SESSION_HANDLE hSession
+ * @param jlong jUserType CK_USER_TYPE userType
+ * @param jcharArray jPin CK_CHAR_PTR pPin
+ * CK_ULONG ulPinLen
+ */
+JNIEXPORT void JNICALL Java_sun_security_pkcs11_wrapper_PKCS11_C_1Login
+ (JNIEnv *env, jobject obj, jlong jSessionHandle, jlong jUserType, jcharArray jPin)
+{
+ CK_SESSION_HANDLE ckSessionHandle;
+ CK_USER_TYPE ckUserType;
+ CK_CHAR_PTR ckpPinArray = NULL_PTR;
+ CK_ULONG ckPinLength;
+ CK_RV rv;
+
+ CK_FUNCTION_LIST_PTR ckpFunctions = getFunctionList(env, obj);
+ if (ckpFunctions == NULL) { return; }
+
+ ckSessionHandle = jLongToCKULong(jSessionHandle);
+ ckUserType = jLongToCKULong(jUserType);
+ jCharArrayToCKCharArray(env, jPin, &ckpPinArray, &ckPinLength);
+ if ((*env)->ExceptionCheck(env)) { return; }
+
+ rv = (*ckpFunctions->C_Login)(ckSessionHandle, ckUserType, ckpPinArray, ckPinLength);
+
+ free(ckpPinArray);
+
+ if (ckAssertReturnValueOK(env, rv) != CK_ASSERT_OK) { return; }
+}
+#endif
+
+#ifdef P11_ENABLE_C_LOGOUT
+/*
+ * Class: sun_security_pkcs11_wrapper_PKCS11
+ * Method: C_Logout
+ * Signature: (J)V
+ * Parametermapping: *PKCS11*
+ * @param jlong jSessionHandle CK_SESSION_HANDLE hSession
+ */
+JNIEXPORT void JNICALL Java_sun_security_pkcs11_wrapper_PKCS11_C_1Logout
+ (JNIEnv *env, jobject obj, jlong jSessionHandle)
+{
+ CK_SESSION_HANDLE ckSessionHandle;
+ CK_RV rv;
+
+ CK_FUNCTION_LIST_PTR ckpFunctions = getFunctionList(env, obj);
+ if (ckpFunctions == NULL) { return; }
+
+ ckSessionHandle = jLongToCKULong(jSessionHandle);
+
+ rv = (*ckpFunctions->C_Logout)(ckSessionHandle);
+ if (ckAssertReturnValueOK(env, rv) != CK_ASSERT_OK) { return; }
+}
+#endif
+
+/* ************************************************************************** */
+/* Functions for keeping track of notify callbacks */
+/* ************************************************************************** */
+
+#ifndef NO_CALLBACKS
+
+/*
+ * Add the given notify encapsulation object to the list of active notify
+ * objects.
+ * If notifyEncapsulation is NULL, this function does nothing.
+ */
+void putNotifyEntry(JNIEnv *env, CK_SESSION_HANDLE hSession, NotifyEncapsulation *notifyEncapsulation) {
+ NotifyListNode *currentNode, *newNode;
+
+ if (notifyEncapsulation == NULL) {
+ return;
+ }
+
+ newNode = (NotifyListNode *) malloc(sizeof(NotifyListNode));
+ if (newNode == NULL) {
+ throwOutOfMemoryError(env, 0);
+ return;
+ }
+ newNode->hSession = hSession;
+ newNode->notifyEncapsulation = notifyEncapsulation;
+ newNode->next = NULL;
+
+ (*env)->MonitorEnter(env, notifyListLock); /* synchronize access to list */
+
+ if (notifyListHead == NULL) {
+ /* this is the first entry */
+ notifyListHead = newNode;
+ } else {
+ /* go to the last entry; i.e. the first node which's 'next' is NULL.
+ */
+ currentNode = notifyListHead;
+ while (currentNode->next != NULL) {
+ currentNode = currentNode->next;
+ }
+ currentNode->next = newNode;
+ }
+
+ (*env)->MonitorExit(env, notifyListLock); /* synchronize access to list */
+}
+
+/*
+ * Removes the active notifyEncapsulation object used with the given session and
+ * returns it. If there is no notifyEncapsulation active for this session, this
+ * function returns NULL.
+ */
+NotifyEncapsulation * removeNotifyEntry(JNIEnv *env, CK_SESSION_HANDLE hSession) {
+ NotifyEncapsulation *notifyEncapsulation;
+ NotifyListNode *currentNode, *previousNode;
+
+ (*env)->MonitorEnter(env, notifyListLock); /* synchronize access to list */
+
+ if (notifyListHead == NULL) {
+ /* this is the first entry */
+ notifyEncapsulation = NULL;
+ } else {
+ /* Find the node with the wanted session handle. Also stop, when we reach
+ * the last entry; i.e. the first node which's 'next' is NULL.
+ */
+ currentNode = notifyListHead;
+ previousNode = NULL;
+
+ while ((currentNode->hSession != hSession) && (currentNode->next != NULL)) {
+ previousNode = currentNode;
+ currentNode = currentNode->next;
+ }
+
+ if (currentNode->hSession == hSession) {
+ /* We found a entry for the wanted session, now remove it. */
+ if (previousNode == NULL) {
+ /* it's the first node */
+ notifyListHead = currentNode->next;
+ } else {
+ previousNode->next = currentNode->next;
+ }
+ notifyEncapsulation = currentNode->notifyEncapsulation;
+ free(currentNode);
+ } else {
+ /* We did not find a entry for this session */
+ notifyEncapsulation = NULL;
+ }
+ }
+
+ (*env)->MonitorExit(env, notifyListLock); /* synchronize access to list */
+
+ return notifyEncapsulation ;
+}
+
+/*
+
+ * Removes the first notifyEncapsulation object. If there is no notifyEncapsulation,
+ * this function returns NULL.
+ */
+NotifyEncapsulation * removeFirstNotifyEntry(JNIEnv *env) {
+ NotifyEncapsulation *notifyEncapsulation;
+ NotifyListNode *currentNode;
+
+ (*env)->MonitorEnter(env, notifyListLock); /* synchronize access to list */
+
+ if (notifyListHead == NULL) {
+ /* this is the first entry */
+ notifyEncapsulation = NULL;
+ } else {
+ /* Remove the first entry. */
+ currentNode = notifyListHead;
+ notifyListHead = notifyListHead->next;
+ notifyEncapsulation = currentNode->notifyEncapsulation;
+ free(currentNode);
+ }
+
+ (*env)->MonitorExit(env, notifyListLock); /* synchronize access to list */
+
+ return notifyEncapsulation ;
+}
+
+#endif /* NO_CALLBACKS */
+
+#ifndef NO_CALLBACKS
+
+/*
+ * The function handling notify callbacks. It casts the pApplication parameter
+ * back to a NotifyEncapsulation structure and retrieves the Notify object and
+ * the application data from it.
+ *
+ * @param hSession The session, this callback is comming from.
+ * @param event The type of event that occurred.
+ * @param pApplication The application data as passed in upon OpenSession. In
+ this wrapper we always pass in a NotifyEncapsulation
+ object, which holds necessary information for delegating
+ the callback to the Java VM.
+ * @return
+ */
+CK_RV notifyCallback(
+ CK_SESSION_HANDLE hSession, /* the session's handle */
+ CK_NOTIFICATION event,
+ CK_VOID_PTR pApplication /* passed to C_OpenSession */
+)
+{
+ NotifyEncapsulation *notifyEncapsulation;
+ extern JavaVM *jvm;
+ JNIEnv *env;
+ jint returnValue;
+ jlong jSessionHandle;
+ jlong jEvent;
+ jclass ckNotifyClass;
+ jmethodID jmethod;
+ jthrowable pkcs11Exception;
+ jclass pkcs11ExceptionClass;
+ jlong errorCode;
+ CK_RV rv = CKR_OK;
+ int wasAttached = 1;
+
+ if (pApplication == NULL) { return rv ; } /* This should not occur in this wrapper. */
+
+ notifyEncapsulation = (NotifyEncapsulation *) pApplication;
+
+ /* Get the currently running Java VM */
+ if (jvm == NULL) { return rv ; } /* there is no VM running */
+
+ /* Determine, if current thread is already attached */
+ returnValue = (*jvm)->GetEnv(jvm, (void **) &env, JNI_VERSION_1_2);
+ if (returnValue == JNI_EDETACHED) {
+ /* thread detached, so attach it */
+ wasAttached = 0;
+ returnValue = (*jvm)->AttachCurrentThread(jvm, (void **) &env, NULL);
+ } else if (returnValue == JNI_EVERSION) {
+ /* this version of JNI is not supported, so just try to attach */
+ /* we assume it was attached to ensure that this thread is not detached
+ * afterwards even though it should not
+ */
+ wasAttached = 1;
+ returnValue = (*jvm)->AttachCurrentThread(jvm, (void **) &env, NULL);
+ } else {
+ /* attached */
+ wasAttached = 1;
+ }
+
+ jSessionHandle = ckULongToJLong(hSession);
+ jEvent = ckULongToJLong(event);
+
+ ckNotifyClass = (*env)->FindClass(env, CLASS_NOTIFY);
+ if (ckNotifyClass == NULL) { return rv; }
+ jmethod = (*env)->GetMethodID(env, ckNotifyClass, "CK_NOTIFY", "(JJLjava/lang/Object;)V");
+ if (jmethod == NULL) { return rv; }
+
+ (*env)->CallVoidMethod(env, notifyEncapsulation->jNotifyObject, jmethod,
+ jSessionHandle, jEvent, notifyEncapsulation->jApplicationData);
+
+ /* check, if callback threw an exception */
+ pkcs11Exception = (*env)->ExceptionOccurred(env);
+
+ if (pkcs11Exception != NULL) {
+ /* TBD: clear the pending exception with ExceptionClear? */
+ /* The was an exception thrown, now we get the error-code from it */
+ pkcs11ExceptionClass = (*env)->FindClass(env, CLASS_PKCS11EXCEPTION);
+ if (pkcs11ExceptionClass == NULL) { return rv; }
+
+ jmethod = (*env)->GetMethodID(env, pkcs11ExceptionClass, "getErrorCode", "()J");
+ if (jmethod == NULL) { return rv; }
+
+ errorCode = (*env)->CallLongMethod(env, pkcs11Exception, jmethod);
+ rv = jLongToCKULong(errorCode);
+ }
+
+ /* if we attached this thread to the VM just for callback, we detach it now */
+ if (wasAttached) {
+ returnValue = (*jvm)->DetachCurrentThread(jvm);
+ }
+
+ return rv ;
+}
+
+#endif /* NO_CALLBACKS */