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* Update build & test toolset * Update build & test toolset (NUnit,Fake,..) * Update System.Reactive (.netstandard) * Removed empty test project * Cleanup example projects * Added (native) example for #31 * Working on issue #31 - Start to implement a DeviceMonitor (to detect attached/detached readers) * Added proposed solution from @olegsavelos (issue #31) - DeviceMonitorFactory - DeviceMonitor - Rx-extensions to observe device events * Added feature #31
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,73 +1,96 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using PCSC; | ||
|
|
||
| namespace CardStatus | ||
| { | ||
| public class Program | ||
| { | ||
| static void Main() | ||
| { | ||
| using (var context = new SCardContext()) { | ||
| public static void Main() { | ||
| var contextFactory = ContextFactory.Instance; | ||
|
|
||
| context.Establish(SCardScope.System); | ||
|
|
||
| // retrieve all reader names | ||
| using (var context = contextFactory.Establish(SCardScope.System)) { | ||
| var readerNames = context.GetReaders(); | ||
|
|
||
| if (readerNames == null || readerNames.Length < 1) { | ||
| if (NoReaderFound(readerNames)) { | ||
| Console.WriteLine("No readers found."); | ||
| Console.ReadKey(); | ||
| return; | ||
| } else { | ||
| DisplayReaderStatus(context, readerNames); | ||
| } | ||
|
|
||
| // get the card status of each reader that is currently connected | ||
| foreach (var readerName in readerNames) { | ||
| using (var reader = new SCardReader(context)) { | ||
| Console.WriteLine("Trying to connect to reader {0}.", readerName); | ||
| Console.ReadKey(); | ||
| } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Displays the card status of each reader in <paramref name="readerNames"/> | ||
| /// </summary> | ||
| /// <param name="context">Smartcard context to connect</param> | ||
| /// <param name="readerNames">Smartcard readers</param> | ||
| private static void DisplayReaderStatus(ISCardContext context, IEnumerable<string> readerNames) { | ||
| foreach (var readerName in readerNames) { | ||
| using (var reader = new SCardReader(context)) { | ||
| Console.WriteLine("Trying to connect to reader {0}.", readerName); | ||
|
|
||
| var sc = reader.Connect(readerName, SCardShareMode.Shared, SCardProtocol.Any); | ||
| if (sc == SCardError.Success) { | ||
| DisplayReaderStatus(reader); | ||
| reader.Disconnect(SCardReaderDisposition.Reset); | ||
| } else { | ||
| Console.WriteLine("No card inserted or reader is reserved exclusively by another application."); | ||
| Console.WriteLine("Error message: {0}\n", SCardHelper.StringifyError(sc)); | ||
| } | ||
| var sc = reader.Connect(readerName, SCardShareMode.Shared, SCardProtocol.Any); | ||
| if (sc != SCardError.Success) { | ||
| Console.WriteLine("No card inserted or reader is reserved exclusively by another application."); | ||
| Console.WriteLine("Error message: {0}\n", SCardHelper.StringifyError(sc)); | ||
| continue; | ||
| } | ||
| } | ||
|
|
||
| Console.ReadKey(); | ||
| PrintReaderStatus(reader); | ||
| Console.WriteLine(); | ||
| reader.Disconnect(SCardReaderDisposition.Reset); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private static void DisplayReaderStatus(ISCardReader reader) { | ||
| /// <summary> | ||
| /// Queries the reader's status and prints it out | ||
| /// </summary> | ||
| /// <param name="reader">Connected reader</param> | ||
| private static void PrintReaderStatus(ISCardReader reader) { | ||
| string[] readerNames; | ||
| SCardProtocol proto; | ||
| SCardState state; | ||
| byte[] atr; | ||
|
|
||
| var sc = reader.Status( | ||
| out readerNames, // contains the reader name(s) | ||
| out state, // contains the current state (flags) | ||
| out proto, // contains the currently used communication protocol | ||
| out atr); // contains the ATR | ||
| out readerNames, // contains the reader name(s) | ||
| out state, // contains the current state (flags) | ||
| out proto, // contains the currently used communication protocol | ||
| out atr); // contains the ATR | ||
|
|
||
| if (sc == SCardError.Success) { | ||
| Console.WriteLine("Connected with protocol {0} in state {1}", proto, state); | ||
| DisplayCardAtr(atr); | ||
| Console.WriteLine(); | ||
| } else { | ||
| Console.WriteLine("Unable to retrieve card status.\nError message: {0}", | ||
| if (sc != SCardError.Success) { | ||
| Console.WriteLine("Unable to retrieve card status.\nError message: {0}", | ||
| SCardHelper.StringifyError(sc)); | ||
| return; | ||
| } | ||
|
|
||
| Console.WriteLine("Connected with protocol {0} in state {1}", proto, state); | ||
| PrintCardAtr(atr); | ||
| } | ||
|
|
||
| private static void DisplayCardAtr(byte[] atr) { | ||
| /// <summary> | ||
| /// Prints the smart cards ATR as hex string | ||
| /// </summary> | ||
| /// <param name="atr">ATR bytes</param> | ||
| private static void PrintCardAtr(byte[] atr) { | ||
| if (atr == null || atr.Length <= 0) { | ||
| return; | ||
| } | ||
|
|
||
| Console.WriteLine("Card ATR: {0}", BitConverter.ToString(atr)); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Returns <c>true</c> if the supplied collection <paramref name="readerNames"/> does not contain any reader name. | ||
| /// </summary> | ||
| /// <param name="readerNames">Collection of smartcard reader names</param> | ||
| /// <returns><c>true</c> if no reader found</returns> | ||
| private static bool NoReaderFound(ICollection<string> readerNames) { | ||
| return readerNames == null || readerNames.Count < 1; | ||
| } | ||
| } | ||
| } | ||
| } |
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