/*
* Copyright ( c ) 2005 , 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <dlfcn.h>
#include <winscard.h>
#include "sun_security_smartcardio_PlatformPCSC.h"
#include "pcsc_md.h"
void *hModule;
FPTR_SCardEstablishContext scardEstablishContext;
FPTR_SCardConnect scardConnect;
FPTR_SCardDisconnect scardDisconnect;
FPTR_SCardStatus scardStatus;
FPTR_SCardGetStatusChange scardGetStatusChange;
FPTR_SCardTransmit scardTransmit;
FPTR_SCardListReaders scardListReaders;
FPTR_SCardBeginTransaction scardBeginTransaction;
FPTR_SCardEndTransaction scardEndTransaction;
FPTR_SCardControl scardControl;
/*
* Throws a Java Exception by name
*/
void throwByName(JNIEnv *env, const char *name, const char *msg)
{
jclass cls = (*env)->FindClass(env, name);
if (cls != 0 ) /* Otherwise an exception has already been thrown */
(*env)->ThrowNew(env, cls, msg);
}
/*
* Throws java . lang . NullPointerException
*/
void throwNullPointerException(JNIEnv *env, const char *msg)
{
throwByName(env, "java/lang/NullPointerException" , msg);
}
/*
* Throws java . io . IOException
*/
void throwIOException(JNIEnv *env, const char *msg)
{
throwByName(env, "java/io/IOException" , msg);
}
void *findFunction(JNIEnv *env, void *hModule, char *functionName) {
void *fAddress = dlsym(hModule, functionName);
if (fAddress == NULL) {
char errorMessage[256 ];
snprintf(errorMessage, sizeof (errorMessage), "Symbol not found: %s" , functionName);
throwNullPointerException(env, errorMessage);
return NULL;
}
return fAddress;
}
JNIEXPORT void JNICALL Java_sun_security_smartcardio_PlatformPCSC_initialize
(JNIEnv *env, jclass thisClass, jstring jLibName) {
const char *libName = (*env)->GetStringUTFChars(env, jLibName, NULL);
if (libName == NULL) {
throwNullPointerException(env, "PCSC library name is null" );
return ;
}
hModule = dlopen(libName, RTLD_LAZY);
(*env)->ReleaseStringUTFChars(env, jLibName, libName);
if (hModule == NULL) {
throwIOException(env, dlerror());
return ;
}
scardEstablishContext = (FPTR_SCardEstablishContext)findFunction(env, hModule, "SCardEstablishContext" );
if ((*env)->ExceptionCheck(env)) {
return ;
}
scardConnect = (FPTR_SCardConnect) findFunction(env, hModule, "SCardConnect" );
if ((*env)->ExceptionCheck(env)) {
return ;
}
scardDisconnect = (FPTR_SCardDisconnect) findFunction(env, hModule, "SCardDisconnect" );
if ((*env)->ExceptionCheck(env)) {
return ;
}
scardStatus = (FPTR_SCardStatus) findFunction(env, hModule, "SCardStatus" );
if ((*env)->ExceptionCheck(env)) {
return ;
}
scardGetStatusChange = (FPTR_SCardGetStatusChange) findFunction(env, hModule, "SCardGetStatusChange" );
if ((*env)->ExceptionCheck(env)) {
return ;
}
scardTransmit = (FPTR_SCardTransmit) findFunction(env, hModule, "SCardTransmit" );
if ((*env)->ExceptionCheck(env)) {
return ;
}
scardListReaders = (FPTR_SCardListReaders) findFunction(env, hModule, "SCardListReaders" );
if ((*env)->ExceptionCheck(env)) {
return ;
}
scardBeginTransaction = (FPTR_SCardBeginTransaction)findFunction(env, hModule, "SCardBeginTransaction" );
if ((*env)->ExceptionCheck(env)) {
return ;
}
scardEndTransaction = (FPTR_SCardEndTransaction) findFunction(env, hModule, "SCardEndTransaction" );
if ((*env)->ExceptionCheck(env)) {
return ;
}
#ifndef __APPLE__
scardControl = (FPTR_SCardControl) findFunction(env, hModule, "SCardControl" );
#else
scardControl = (FPTR_SCardControl) findFunction(env, hModule, "SCardControl132" );
#endif // __APPLE__
}
Messung V0.5 in Prozent C=84 H=100 G=92
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-10)
¤
*© Formatika GbR, Deutschland