| /* |
| * Copyright (c) 2005, 2016, 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. |
| */ |
| |
| package sun.security.smartcardio; |
| |
| import java.util.*; |
| |
| import javax.smartcardio.*; |
| |
| import static sun.security.smartcardio.PCSC.*; |
| |
| /** |
| * CardTerminal implementation. |
| * |
| * @since 1.6 |
| * @author Andreas Sterbenz |
| */ |
| final class TerminalImpl extends CardTerminal { |
| |
| // native SCARDCONTEXT |
| final long contextId; |
| |
| // the name of this terminal (native PC/SC name) |
| final String name; |
| |
| private CardImpl card; |
| |
| TerminalImpl(long contextId, String name) { |
| this.contextId = contextId; |
| this.name = name; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public synchronized Card connect(String protocol) throws CardException { |
| SecurityManager sm = System.getSecurityManager(); |
| if (sm != null) { |
| sm.checkPermission(new CardPermission(name, "connect")); |
| } |
| if (card != null) { |
| if (card.isValid()) { |
| String cardProto = card.getProtocol(); |
| if (protocol.equals("*") || protocol.equalsIgnoreCase(cardProto)) { |
| return card; |
| } else { |
| throw new CardException("Cannot connect using " + protocol |
| + ", connection already established using " + cardProto); |
| } |
| } else { |
| card = null; |
| } |
| } |
| try { |
| card = new CardImpl(this, protocol); |
| return card; |
| } catch (PCSCException e) { |
| if (e.code == SCARD_W_REMOVED_CARD || e.code == SCARD_E_NO_SMARTCARD) { |
| throw new CardNotPresentException("No card present", e); |
| } else { |
| throw new CardException("connect() failed", e); |
| } |
| } |
| } |
| |
| public boolean isCardPresent() throws CardException { |
| try { |
| int[] status = SCardGetStatusChange(contextId, 0, |
| new int[] {SCARD_STATE_UNAWARE}, new String[] {name}); |
| return (status[0] & SCARD_STATE_PRESENT) != 0; |
| } catch (PCSCException e) { |
| throw new CardException("isCardPresent() failed", e); |
| } |
| } |
| |
| private boolean waitForCard(boolean wantPresent, long timeout) throws CardException { |
| if (timeout < 0) { |
| throw new IllegalArgumentException("timeout must not be negative"); |
| } |
| if (timeout == 0) { |
| timeout = TIMEOUT_INFINITE; |
| } |
| int[] status = new int[] {SCARD_STATE_UNAWARE}; |
| String[] readers = new String[] {name}; |
| try { |
| // check if card status already matches |
| status = SCardGetStatusChange(contextId, 0, status, readers); |
| boolean present = (status[0] & SCARD_STATE_PRESENT) != 0; |
| if (wantPresent == present) { |
| return true; |
| } |
| // no match, wait (until timeout expires) |
| long end = System.currentTimeMillis() + timeout; |
| while (wantPresent != present && timeout != 0) { |
| // set remaining timeout |
| if (timeout != TIMEOUT_INFINITE) { |
| timeout = Math.max(end - System.currentTimeMillis(), 0l); |
| } |
| status = SCardGetStatusChange(contextId, timeout, status, readers); |
| present = (status[0] & SCARD_STATE_PRESENT) != 0; |
| } |
| return wantPresent == present; |
| } catch (PCSCException e) { |
| if (e.code == SCARD_E_TIMEOUT) { |
| return false; |
| } else { |
| throw new CardException("waitForCard() failed", e); |
| } |
| } |
| } |
| |
| public boolean waitForCardPresent(long timeout) throws CardException { |
| return waitForCard(true, timeout); |
| } |
| |
| public boolean waitForCardAbsent(long timeout) throws CardException { |
| return waitForCard(false, timeout); |
| } |
| |
| public String toString() { |
| return "PC/SC terminal " + name; |
| } |
| } |