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Diffstat (limited to 'Tizen.Smartcard/Tizen.Smartcard/SmartcardSession.cs')
| -rw-r--r-- | Tizen.Smartcard/Tizen.Smartcard/SmartcardSession.cs | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/Tizen.Smartcard/Tizen.Smartcard/SmartcardSession.cs b/Tizen.Smartcard/Tizen.Smartcard/SmartcardSession.cs new file mode 100644 index 0000000..a6a4f3a --- /dev/null +++ b/Tizen.Smartcard/Tizen.Smartcard/SmartcardSession.cs @@ -0,0 +1,229 @@ +/* + * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved + * + * 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. + */ + +using System; +using System.Runtime.InteropServices; +using System.Collections.Generic; +using Tizen.Network; + +namespace Tizen.Network.Smartcard +{ + /// <summary> + /// A class for Smartcard session informations. It allows applications to handle session informations. + /// </summary> + /// <privilege>http://tizen.org/privilege/secureelement</privilege> + public class SmartcardSession : IDisposable + { + private int _sessionHandle = -1; + private bool disposed = false; + private List<SmartcardChannel> _basicChannelList = new List<SmartcardChannel>(); + private List<SmartcardChannel> _logicalChannelList = new List<SmartcardChannel>(); + private SmartcardReader _readerObject; + private int _basicChannel = 0; + private int _logicalChannel = 0; + + /// <summary> + /// The reader object that provides the given session. + /// </summary> + public SmartcardReader Reader + { + get + { + int reader; + int ret = Interop.Smartcard.Session.SessionGetReader(_sessionHandle, out reader); + if (ret != (int)SmartcardError.None) + { + Log.Error(Globals.LogTag, "Failed to get reader, Error - " + (SmartcardError)ret); + } + + if (_readerObject.GetHandle() != reader) + { + Log.Error(Globals.LogTag, "Does not correspond with reader, Error - " + _readerObject.GetHandle() + " " + reader); + } + + return _readerObject; + } + } + + /// <summary> + /// The Answer to Reset(ATR) of this Secure Element. + /// </summary> + public byte[] Atr + { + get + { + byte[] atrList; + IntPtr strAtr; + int len; + int ret = Interop.Smartcard.Session.SessionGetAtr(_sessionHandle, out strAtr, out len); + if (ret != (int)SmartcardError.None) + { + Log.Error(Globals.LogTag, "Failed to get atr, Error - " + (SmartcardError)ret); + } + + atrList = new byte[len]; + for (int i = 0; i < len; i++) + { + atrList[i] = Marshal.ReadByte(strAtr); + strAtr += sizeof(byte); + } + return atrList; + } + } + + /// <summary> + /// Whether the session is closed. + /// </summary> + public bool IsClosed + { + get + { + bool isClosed; + int ret = Interop.Smartcard.Session.SessionIsClosed(_sessionHandle, out isClosed); + if (ret != (int)SmartcardError.None) + { + Log.Error(Globals.LogTag, "Failed to get present, Error - " + (SmartcardError)ret); + } + return isClosed; + } + } + + internal SmartcardSession(SmartcardReader readerHandle, int sessionHandle) + { + _readerObject = readerHandle; + _sessionHandle = sessionHandle; + } + + ~SmartcardSession() + { + Dispose(false); + } + + public void Dispose() + { + Dispose(true); + GC.SuppressFinalize(this); + } + + private void Dispose(bool disposing) + { + if (disposed) + return; + + if (disposing) + { + // Free managed objects. + foreach (SmartcardChannel channel in _basicChannelList) + { + channel.Dispose(); + _basicChannelList.Remove(channel); + } + + foreach (SmartcardChannel channel in _logicalChannelList) + { + channel.Dispose(); + _logicalChannelList.Remove(channel); + } + } + //Free unmanaged objects + disposed = true; + } + + internal int GetHandle() + { + return _sessionHandle; + } + + /// <summary> + /// Closes the connection with the Secure Element. + /// </summary> + public void Close() + { + int ret = Interop.Smartcard.Session.SessionClose(_sessionHandle); + if (ret != (int)SmartcardError.None) + { + Log.Error(Globals.LogTag, "Failed to close, Error - " + (SmartcardError)ret); + SmartcardErrorFactory.ThrowSmartcardException(ret); + } + Dispose(true); + } + + /// <summary> + /// Closes any channel opened on the given session. + /// </summary> + public void CloseChannels() + { + int ret = Interop.Smartcard.Session.SessionCloseChannels(_sessionHandle); + if (ret != (int)SmartcardError.None) + { + Log.Error(Globals.LogTag, "Failed to close, Error - " + (SmartcardError)ret); + SmartcardErrorFactory.ThrowSmartcardException(ret); + } + + foreach (SmartcardChannel channel in _basicChannelList) + { + channel.Dispose(); + _basicChannelList.Remove(channel); + } + + foreach (SmartcardChannel channel in _logicalChannelList) + { + channel.Dispose(); + _logicalChannelList.Remove(channel); + } + } + + /// <summary> + /// Gets an access to the basic channel, as defined in the ISO/IEC 7816-4 specification (the one that has number 0). + /// </summary> + /// <returns>The SmartcardChannel object for basic channel.</returns> + /// <param name="aid">Byte array containing the Application ID(AID) to be selected on the given channel.</param> + /// <param name="p2">P2 byte of the SELECT command if executed.</param> + public SmartcardChannel OpenBasicChannel(byte[] aid, byte p2) + { + int ret = Interop.Smartcard.Session.SessionOpenBasicChannel(_sessionHandle, aid, aid.Length, p2, out _basicChannel); + if (ret != (int)SmartcardError.None) + { + Log.Error(Globals.LogTag, "Failed to open basic channel, Error - " + (SmartcardError)ret); + SmartcardErrorFactory.ThrowSmartcardException(ret); + } + SmartcardChannel basicChannel = new SmartcardChannel(this, _basicChannel); + _basicChannelList.Add(basicChannel); + + return basicChannel; + } + + /// <summary> + /// Open a logical channel with the Secure Element, selecting the Applet represented by the given Application ID(AID). + /// </summary> + /// <returns>The SmartcardChannel object for logical channel.</returns> + /// <param name="aid">Byte array containing the Application ID(AID) to be selected on the given channel.</param> + /// <param name="p2">P2 byte of the SELECT command if executed.</param> + public SmartcardChannel OpenLogicalChannel(byte[] aid, byte p2) + { + int ret = Interop.Smartcard.Session.SessionOpenLogicalChannel(_sessionHandle, aid, aid.Length, p2, out _logicalChannel); + if (ret != (int)SmartcardError.None) + { + Log.Error(Globals.LogTag, "Failed to open logical channel, Error - " + (SmartcardError)ret); + SmartcardErrorFactory.ThrowSmartcardException(ret); + } + SmartcardChannel logicalChannel = new SmartcardChannel(this, _logicalChannel); + _logicalChannelList.Add(logicalChannel); + + return logicalChannel; + } + } +} |