J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2005-2006 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | /* disable asserts in product mode */ |
| 27 | #ifndef DEBUG |
| 28 | #ifndef NDEBUG |
| 29 | #define NDEBUG |
| 30 | #endif |
| 31 | #endif |
| 32 | |
| 33 | #include <stdio.h> |
| 34 | #include <stdlib.h> |
| 35 | #include <string.h> |
| 36 | #include <assert.h> |
| 37 | |
| 38 | #include <winscard.h> |
| 39 | |
| 40 | // #define J2PCSC_DEBUG |
| 41 | |
| 42 | #ifdef J2PCSC_DEBUG |
| 43 | #define dprintf(s) printf(s) |
| 44 | #define dprintf1(s, p1) printf(s, p1) |
| 45 | #define dprintf2(s, p1, p2) printf(s, p1, p2) |
| 46 | #define dprintf3(s, p1, p2, p3) printf(s, p1, p2, p3) |
| 47 | #else |
| 48 | #define dprintf(s) |
| 49 | #define dprintf1(s, p1) |
| 50 | #define dprintf2(s, p1, p2) |
| 51 | #define dprintf3(s, p1, p2, p3) |
| 52 | #endif |
| 53 | |
| 54 | #include "sun_security_smartcardio_PCSC.h" |
| 55 | |
| 56 | #include "pcsc_md.h" |
| 57 | |
| 58 | #define MAX_STACK_BUFFER_SIZE 8192 |
| 59 | |
| 60 | // make the buffers larger than what should be necessary, just in case |
| 61 | #define ATR_BUFFER_SIZE 128 |
| 62 | #define READERNAME_BUFFER_SIZE 128 |
| 63 | #define RECEIVE_BUFFER_SIZE MAX_STACK_BUFFER_SIZE |
| 64 | |
| 65 | #define J2PCSC_EXCEPTION_NAME "sun/security/smartcardio/PCSCException" |
| 66 | |
| 67 | void throwPCSCException(JNIEnv* env, LONG code) { |
| 68 | jclass pcscClass; |
| 69 | jmethodID constructor; |
| 70 | jthrowable pcscException; |
| 71 | |
| 72 | pcscClass = (*env)->FindClass(env, J2PCSC_EXCEPTION_NAME); |
| 73 | assert(pcscClass != NULL); |
| 74 | constructor = (*env)->GetMethodID(env, pcscClass, "<init>", "(I)V"); |
| 75 | assert(constructor != NULL); |
| 76 | pcscException = (jthrowable) (*env)->NewObject(env, pcscClass, constructor, (jint)code); |
| 77 | (*env)->Throw(env, pcscException); |
| 78 | } |
| 79 | |
| 80 | jboolean handleRV(JNIEnv* env, LONG code) { |
| 81 | if (code == SCARD_S_SUCCESS) { |
| 82 | return JNI_FALSE; |
| 83 | } else { |
| 84 | throwPCSCException(env, code); |
| 85 | return JNI_TRUE; |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved) { |
| 90 | return JNI_VERSION_1_4; |
| 91 | } |
| 92 | |
| 93 | JNIEXPORT jlong JNICALL Java_sun_security_smartcardio_PCSC_SCardEstablishContext |
| 94 | (JNIEnv *env, jclass thisClass, jint dwScope) |
| 95 | { |
| 96 | SCARDCONTEXT context; |
| 97 | LONG rv; |
| 98 | dprintf("-establishContext\n"); |
| 99 | rv = CALL_SCardEstablishContext(dwScope, NULL, NULL, &context); |
| 100 | if (handleRV(env, rv)) { |
| 101 | return 0; |
| 102 | } |
| 103 | // note: SCARDCONTEXT is typedef'd as long, so this works |
| 104 | return (jlong)context; |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Convert a multi string to a java string array, |
| 109 | */ |
| 110 | jobjectArray pcsc_multi2jstring(JNIEnv *env, char *spec) { |
| 111 | jobjectArray result; |
| 112 | jclass stringClass; |
| 113 | char *cp, **tab; |
| 114 | jstring js; |
| 115 | int cnt = 0; |
| 116 | |
| 117 | cp = spec; |
| 118 | while (*cp != 0) { |
| 119 | cp += (strlen(cp) + 1); |
| 120 | ++cnt; |
| 121 | } |
| 122 | |
| 123 | tab = (char **)malloc(cnt * sizeof(char *)); |
| 124 | |
| 125 | cnt = 0; |
| 126 | cp = spec; |
| 127 | while (*cp != 0) { |
| 128 | tab[cnt++] = cp; |
| 129 | cp += (strlen(cp) + 1); |
| 130 | } |
| 131 | |
| 132 | stringClass = (*env)->FindClass(env, "java/lang/String"); |
| 133 | assert(stringClass != NULL); |
| 134 | |
| 135 | result = (*env)->NewObjectArray(env, cnt, stringClass, NULL); |
| 136 | while (cnt-- > 0) { |
| 137 | js = (*env)->NewStringUTF(env, tab[cnt]); |
| 138 | (*env)->SetObjectArrayElement(env, result, cnt, js); |
| 139 | } |
| 140 | free(tab); |
| 141 | return result; |
| 142 | } |
| 143 | |
| 144 | JNIEXPORT jobjectArray JNICALL Java_sun_security_smartcardio_PCSC_SCardListReaders |
| 145 | (JNIEnv *env, jclass thisClass, jlong jContext) |
| 146 | { |
| 147 | SCARDCONTEXT context = (SCARDCONTEXT)jContext; |
| 148 | LONG rv; |
| 149 | LPTSTR mszReaders; |
| 150 | DWORD size; |
| 151 | jobjectArray result; |
| 152 | |
| 153 | dprintf1("-context: %x\n", context); |
| 154 | rv = CALL_SCardListReaders(context, NULL, NULL, &size); |
| 155 | if (handleRV(env, rv)) { |
| 156 | return NULL; |
| 157 | } |
| 158 | dprintf1("-size: %d\n", size); |
| 159 | |
| 160 | mszReaders = malloc(size); |
| 161 | rv = CALL_SCardListReaders(context, NULL, mszReaders, &size); |
| 162 | if (handleRV(env, rv)) { |
| 163 | free(mszReaders); |
| 164 | return NULL; |
| 165 | } |
| 166 | dprintf1("-String: %s\n", mszReaders); |
| 167 | |
| 168 | result = pcsc_multi2jstring(env, mszReaders); |
| 169 | free(mszReaders); |
| 170 | return result; |
| 171 | } |
| 172 | |
| 173 | JNIEXPORT jlong JNICALL Java_sun_security_smartcardio_PCSC_SCardConnect |
| 174 | (JNIEnv *env, jclass thisClass, jlong jContext, jstring jReaderName, |
| 175 | jint jShareMode, jint jPreferredProtocols) |
| 176 | { |
| 177 | SCARDCONTEXT context = (SCARDCONTEXT)jContext; |
| 178 | LONG rv; |
| 179 | LPCTSTR readerName; |
| 180 | SCARDHANDLE card; |
| 181 | DWORD proto; |
| 182 | |
| 183 | readerName = (*env)->GetStringUTFChars(env, jReaderName, NULL); |
| 184 | rv = CALL_SCardConnect(context, readerName, jShareMode, jPreferredProtocols, &card, &proto); |
| 185 | (*env)->ReleaseStringUTFChars(env, jReaderName, readerName); |
| 186 | dprintf1("-cardhandle: %x\n", card); |
| 187 | dprintf1("-protocol: %d\n", proto); |
| 188 | if (handleRV(env, rv)) { |
| 189 | return 0; |
| 190 | } |
| 191 | |
| 192 | return (jlong)card; |
| 193 | } |
| 194 | |
| 195 | JNIEXPORT jbyteArray JNICALL Java_sun_security_smartcardio_PCSC_SCardTransmit |
| 196 | (JNIEnv *env, jclass thisClass, jlong jCard, jint protocol, |
| 197 | jbyteArray jBuf, jint jOfs, jint jLen) |
| 198 | { |
| 199 | SCARDHANDLE card = (SCARDHANDLE)jCard; |
| 200 | LONG rv; |
| 201 | SCARD_IO_REQUEST sendPci; |
| 202 | unsigned char *sbuf; |
| 203 | unsigned char rbuf[RECEIVE_BUFFER_SIZE]; |
| 204 | DWORD rlen = RECEIVE_BUFFER_SIZE; |
| 205 | int ofs = (int)jOfs; |
| 206 | int len = (int)jLen; |
| 207 | jbyteArray jOut; |
| 208 | |
| 209 | sendPci.dwProtocol = protocol; |
| 210 | sendPci.cbPciLength = sizeof(SCARD_IO_REQUEST); |
| 211 | |
| 212 | sbuf = (unsigned char *) ((*env)->GetByteArrayElements(env, jBuf, NULL)); |
| 213 | rv = CALL_SCardTransmit(card, &sendPci, sbuf + ofs, len, NULL, rbuf, &rlen); |
| 214 | (*env)->ReleaseByteArrayElements(env, jBuf, (jbyte *)sbuf, JNI_ABORT); |
| 215 | |
| 216 | if (handleRV(env, rv)) { |
| 217 | return NULL; |
| 218 | } |
| 219 | |
| 220 | jOut = (*env)->NewByteArray(env, rlen); |
| 221 | (*env)->SetByteArrayRegion(env, jOut, 0, rlen, (jbyte *)rbuf); |
| 222 | return jOut; |
| 223 | } |
| 224 | |
| 225 | JNIEXPORT jbyteArray JNICALL Java_sun_security_smartcardio_PCSC_SCardStatus |
| 226 | (JNIEnv *env, jclass thisClass, jlong jCard, jbyteArray jStatus) |
| 227 | { |
| 228 | SCARDHANDLE card = (SCARDHANDLE)jCard; |
| 229 | LONG rv; |
| 230 | char readerName[READERNAME_BUFFER_SIZE]; |
| 231 | DWORD readerLen = READERNAME_BUFFER_SIZE; |
| 232 | unsigned char atr[ATR_BUFFER_SIZE]; |
| 233 | DWORD atrLen = ATR_BUFFER_SIZE; |
| 234 | DWORD state; |
| 235 | DWORD protocol; |
| 236 | jbyteArray jArray; |
| 237 | jbyte tmp; |
| 238 | |
| 239 | rv = CALL_SCardStatus(card, readerName, &readerLen, &state, &protocol, atr, &atrLen); |
| 240 | if (handleRV(env, rv)) { |
| 241 | return NULL; |
| 242 | } |
| 243 | dprintf1("-reader: %s\n", readerName); |
| 244 | dprintf1("-status: %d\n", state); |
| 245 | dprintf1("-protocol: %d\n", protocol); |
| 246 | |
| 247 | jArray = (*env)->NewByteArray(env, atrLen); |
| 248 | (*env)->SetByteArrayRegion(env, jArray, 0, atrLen, (jbyte *)atr); |
| 249 | |
| 250 | tmp = (jbyte)state; |
| 251 | (*env)->SetByteArrayRegion(env, jStatus, 0, 1, &tmp); |
| 252 | tmp = (jbyte)protocol; |
| 253 | (*env)->SetByteArrayRegion(env, jStatus, 1, 1, &tmp); |
| 254 | |
| 255 | return jArray; |
| 256 | } |
| 257 | |
| 258 | JNIEXPORT void JNICALL Java_sun_security_smartcardio_PCSC_SCardDisconnect |
| 259 | (JNIEnv *env, jclass thisClass, jlong jCard, jint jDisposition) |
| 260 | { |
| 261 | SCARDHANDLE card = (SCARDHANDLE)jCard; |
| 262 | LONG rv; |
| 263 | |
| 264 | rv = CALL_SCardDisconnect(card, jDisposition); |
| 265 | dprintf1("-disconnect: 0x%X\n", rv); |
| 266 | handleRV(env, rv); |
| 267 | return; |
| 268 | } |
| 269 | |
| 270 | JNIEXPORT jintArray JNICALL Java_sun_security_smartcardio_PCSC_SCardGetStatusChange |
| 271 | (JNIEnv *env, jclass thisClass, jlong jContext, jlong jTimeout, |
| 272 | jintArray jCurrentState, jobjectArray jReaderNames) |
| 273 | { |
| 274 | SCARDCONTEXT context = (SCARDCONTEXT)jContext; |
| 275 | LONG rv; |
| 276 | int readers = (*env)->GetArrayLength(env, jReaderNames); |
| 277 | SCARD_READERSTATE *readerState = malloc(readers * sizeof(SCARD_READERSTATE)); |
| 278 | int i; |
| 279 | jintArray jEventState; |
| 280 | int *currentState = (*env)->GetIntArrayElements(env, jCurrentState, NULL); |
| 281 | |
| 282 | for (i = 0; i < readers; i++) { |
| 283 | jobject jReaderName = (*env)->GetObjectArrayElement(env, jReaderNames, i); |
| 284 | readerState[i].szReader = (*env)->GetStringUTFChars(env, jReaderName, NULL); |
| 285 | readerState[i].pvUserData = NULL; |
| 286 | readerState[i].dwCurrentState = currentState[i]; |
| 287 | readerState[i].dwEventState = SCARD_STATE_UNAWARE; |
| 288 | readerState[i].cbAtr = 0; |
| 289 | } |
| 290 | (*env)->ReleaseIntArrayElements(env, jCurrentState, currentState, JNI_ABORT); |
| 291 | |
| 292 | rv = CALL_SCardGetStatusChange(context, (DWORD)jTimeout, readerState, readers); |
| 293 | |
| 294 | jEventState = (*env)->NewIntArray(env, readers); |
| 295 | for (i = 0; i < readers; i++) { |
| 296 | jint eventStateTmp; |
| 297 | jobject jReaderName = (*env)->GetObjectArrayElement(env, jReaderNames, i); |
| 298 | dprintf3("-reader status %s: 0x%X, 0x%X\n", readerState[i].szReader, |
| 299 | readerState[i].dwCurrentState, readerState[i].dwEventState); |
| 300 | (*env)->ReleaseStringUTFChars(env, jReaderName, readerState[i].szReader); |
| 301 | eventStateTmp = (jint)readerState[i].dwEventState; |
| 302 | (*env)->SetIntArrayRegion(env, jEventState, i, 1, &eventStateTmp); |
| 303 | } |
| 304 | free(readerState); |
| 305 | |
| 306 | handleRV(env, rv); |
| 307 | return jEventState; |
| 308 | } |
| 309 | |
| 310 | JNIEXPORT void JNICALL Java_sun_security_smartcardio_PCSC_SCardBeginTransaction |
| 311 | (JNIEnv *env, jclass thisClass, jlong jCard) |
| 312 | { |
| 313 | SCARDHANDLE card = (SCARDHANDLE)jCard; |
| 314 | LONG rv; |
| 315 | |
| 316 | rv = CALL_SCardBeginTransaction(card); |
| 317 | dprintf1("-beginTransaction: 0x%X\n", rv); |
| 318 | handleRV(env, rv); |
| 319 | return; |
| 320 | } |
| 321 | |
| 322 | JNIEXPORT void JNICALL Java_sun_security_smartcardio_PCSC_SCardEndTransaction |
| 323 | (JNIEnv *env, jclass thisClass, jlong jCard, jint jDisposition) |
| 324 | { |
| 325 | SCARDHANDLE card = (SCARDHANDLE)jCard; |
| 326 | LONG rv; |
| 327 | |
| 328 | rv = CALL_SCardEndTransaction(card, jDisposition); |
| 329 | dprintf1("-endTransaction: 0x%X\n", rv); |
| 330 | handleRV(env, rv); |
| 331 | return; |
| 332 | } |
| 333 | |
| 334 | JNIEXPORT jbyteArray JNICALL Java_sun_security_smartcardio_PCSC_SCardControl |
| 335 | (JNIEnv *env, jclass thisClass, jlong jCard, jint jControlCode, jbyteArray jSendBuffer) |
| 336 | { |
| 337 | SCARDHANDLE card = (SCARDHANDLE)jCard; |
| 338 | LONG rv; |
| 339 | jbyte* sendBuffer = (*env)->GetByteArrayElements(env, jSendBuffer, NULL); |
| 340 | jint sendBufferLength = (*env)->GetArrayLength(env, jSendBuffer); |
| 341 | jbyte receiveBuffer[MAX_STACK_BUFFER_SIZE]; |
| 342 | jint receiveBufferLength = MAX_STACK_BUFFER_SIZE; |
| 343 | ULONG returnedLength = 0; |
| 344 | jbyteArray jReceiveBuffer; |
| 345 | |
| 346 | #ifdef J2PCSC_DEBUG |
| 347 | { |
| 348 | int k; |
| 349 | printf("-control: 0x%X\n", jControlCode); |
| 350 | printf("-send: "); |
| 351 | for (k = 0; k < sendBufferLength; k++) { |
| 352 | printf("%02x ", sendBuffer[k]); |
| 353 | } |
| 354 | printf("\n"); |
| 355 | } |
| 356 | #endif |
| 357 | |
| 358 | rv = CALL_SCardControl(card, jControlCode, sendBuffer, sendBufferLength, |
| 359 | receiveBuffer, receiveBufferLength, &returnedLength); |
| 360 | |
| 361 | (*env)->ReleaseByteArrayElements(env, jSendBuffer, sendBuffer, JNI_ABORT); |
| 362 | if (handleRV(env, rv)) { |
| 363 | return NULL; |
| 364 | } |
| 365 | |
| 366 | #ifdef J2PCSC_DEBUG |
| 367 | { |
| 368 | int k; |
| 369 | printf("-recv: "); |
| 370 | for (k = 0; k < returnedLength; k++) { |
| 371 | printf("%02x ", receiveBuffer[k]); |
| 372 | } |
| 373 | printf("\n"); |
| 374 | } |
| 375 | #endif |
| 376 | |
| 377 | jReceiveBuffer = (*env)->NewByteArray(env, returnedLength); |
| 378 | (*env)->SetByteArrayRegion(env, jReceiveBuffer, 0, returnedLength, receiveBuffer); |
| 379 | |
| 380 | return jReceiveBuffer; |
| 381 | } |