diff options
Diffstat (limited to 'smcc/src/main/java/at/gv/egiz/smcc/reader/ReaderFactory.java')
-rw-r--r-- | smcc/src/main/java/at/gv/egiz/smcc/reader/ReaderFactory.java | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/smcc/src/main/java/at/gv/egiz/smcc/reader/ReaderFactory.java b/smcc/src/main/java/at/gv/egiz/smcc/reader/ReaderFactory.java new file mode 100644 index 00000000..eb197d9f --- /dev/null +++ b/smcc/src/main/java/at/gv/egiz/smcc/reader/ReaderFactory.java @@ -0,0 +1,128 @@ +/* + * Copyright 2008 Federal Chancellery Austria and + * Graz University of Technology + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package at.gv.egiz.smcc.reader; + +import at.gv.egiz.smcc.conf.SMCCConfiguration; +import at.gv.egiz.smcc.util.SMCCHelper; +import java.util.HashMap; +import java.util.Map; +import javax.smartcardio.Card; +import javax.smartcardio.CardException; +import javax.smartcardio.CardTerminal; +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; + +/** + * + * @author Clemens Orthacker <clemens.orthacker@iaik.tugraz.at> + */ +public class ReaderFactory { + + protected final static Log log = LogFactory.getLog(ReaderFactory.class); + + protected SMCCConfiguration configuration; + + private ReaderFactory() { + } + + /** + * @param configuration the configuration to set + */ + public void setConfiguration(SMCCConfiguration configuration) { + this.configuration = configuration; + } + + public static CardReader getReader(Card icc, CardTerminal ct) { + + String name = ct.getName(); + log.info("creating reader " + name); + + Map<Byte, Integer> features = queryFeatures(icc); + boolean disablePinpad = false; + CardReader reader; + + //TODO query application context for reader config +// if (configuration != null) { +// String disablePinpad = configuration.getProperty(SMCCConfiguration.DISABLE_PINPAD_P); +// log.debug("setting disablePinpad to " + Boolean.parseBoolean(disablePinpad)); +// reader.setDisablePinpad(Boolean.parseBoolean(disablePinpad)); +// } + log.warn("card reader configuration is not considered"); + + if (features.isEmpty() || disablePinpad) { + reader = new DefaultCardReader(ct); + } else { + reader = new PinpadCardReader(ct, features); + } + + return reader; + } + + private static int CTL_CODE(int code) { + String os_name = System.getProperty("os.name").toLowerCase(); + if (os_name.indexOf("windows") > -1) { + // cf. WinIOCTL.h + return (0x31 << 16 | (code) << 2); + } + // cf. reader.h + return 0x42000000 + (code); + } + + static int IOCTL_GET_FEATURE_REQUEST = CTL_CODE(3400); + + private static Map<Byte, Integer> queryFeatures(Card icc) { + Map<Byte, Integer> features = new HashMap<Byte, Integer>(); + + if (icc == null) { + log.warn("invalid card handle, cannot query ifd features"); + } else { + try { + if (log.isTraceEnabled()) { + log.trace("GET_FEATURE_REQUEST " + Integer.toHexString(IOCTL_GET_FEATURE_REQUEST)); + } + byte[] resp = icc.transmitControlCommand(IOCTL_GET_FEATURE_REQUEST, + new byte[0]); + + if (log.isTraceEnabled()) { + log.trace("Response TLV " + SMCCHelper.toString(resp)); + } + // tag + // length in bytes (always 4) + // control code value for supported feature (in big endian) + for (int i = 0; i < resp.length; i += 6) { + Byte feature = new Byte(resp[i]); + Integer ioctl = new Integer((0xff & resp[i + 2]) << 24) | + ((0xff & resp[i + 3]) << 16) | + ((0xff & resp[i + 4]) << 8) | + (0xff & resp[i + 5]); + if (log.isInfoEnabled()) { + log.info("IFD supports " + CardReader.FEATURES[feature.intValue()] + + ": " + Integer.toHexString(ioctl.intValue())); + } + features.put(feature, ioctl); + } + } catch (CardException ex) { + log.debug("Failed to query IFD features: " + ex.getMessage()); + log.trace(ex); + log.info("IFD does not support secure pin entry"); + } + } + return features; + } + +} |