| /* |
| * 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__ |
| } |