/*
* 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__
}
