/// <summary>
/// Obtains information about a session
/// </summary>
/// <param name="session">The session's handle</param>
/// <param name="info">Structure that receives the session information</param>
/// <returns>CKR_CRYPTOKI_NOT_INITIALIZED, CKR_DEVICE_ERROR, CKR_DEVICE_MEMORY, CKR_DEVICE_REMOVED, CKR_FUNCTION_FAILED, CKR_GENERAL_ERROR, CKR_HOST_MEMORY, CKR_OK, CKR_SESSION_CLOSED, CKR_SESSION_HANDLE_INVALID, CKR_ARGUMENTS_BAD</returns>
public CKR C_GetSessionInfo(uint session, ref CK_SESSION_INFO info)
{
if (this._disposed)
throw new ObjectDisposedException(this.GetType().FullName);
uint rv = _delegates.C_GetSessionInfo(session, ref info);
return (CKR)rv;
}
public void _03_SessionInfoTest()
{
if (Platform.UnmanagedLongSize != 4 || Platform.StructPackingSize != 0)
Assert.Inconclusive("Test cannot be executed on this platform");
CKR rv = CKR.CKR_OK;
using (Pkcs11 pkcs11 = new Pkcs11(Settings.Pkcs11LibraryPath))
{
rv = pkcs11.C_Initialize(Settings.InitArgs40);
if ((rv != CKR.CKR_OK) && (rv != CKR.CKR_CRYPTOKI_ALREADY_INITIALIZED))
Assert.Fail(rv.ToString());
// Find first slot with token present
uint slotId = Helpers.GetUsableSlot(pkcs11);
// Open RO (read-only) session
uint session = CK.CK_INVALID_HANDLE;
rv = pkcs11.C_OpenSession(slotId, CKF.CKF_SERIAL_SESSION, IntPtr.Zero, IntPtr.Zero, ref session);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
CK_SESSION_INFO sessionInfo = new CK_SESSION_INFO();
rv = pkcs11.C_GetSessionInfo(session, ref sessionInfo);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Do something interesting with session info
Assert.IsTrue(sessionInfo.SlotId == slotId);
rv = pkcs11.C_CloseAllSessions(slotId);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
rv = pkcs11.C_Finalize(IntPtr.Zero);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
}
}
internal static extern uint C_GetSessionInfo(uint session, ref CK_SESSION_INFO info);
internal static extern CKR C_GetSessionInfo(uint session, ref CK_SESSION_INFO info);
/// <summary>
/// Obtains information about a session
/// </summary>
/// <returns>Information about a session</returns>
public SessionInfo GetSessionInfo()
{
if (this._disposed)
throw new ObjectDisposedException(this.GetType().FullName);
CK_SESSION_INFO sessionInfo = new CK_SESSION_INFO();
CKR rv = _p11.C_GetSessionInfo(_sessionId, ref sessionInfo);
if (rv != CKR.CKR_OK)
throw new Pkcs11Exception("C_GetSessionInfo", rv);
return new SessionInfo(_sessionId, sessionInfo);
}
/// <summary>
/// Converts low level CK_SESSION_INFO structure to high level SessionInfo class
/// </summary>
/// <param name="sessionId">PKCS#11 handle of session</param>
/// <param name="ck_session_info">Low level CK_SESSION_INFO structure</param>
internal SessionInfo(uint sessionId, CK_SESSION_INFO ck_session_info)
{
_sessionId = sessionId;
_slotId = ck_session_info.SlotId;
_state = (CKS)ck_session_info.State;
_sessionFlags = new SessionFlags(ck_session_info.Flags);
_deviceError = ck_session_info.DeviceError;
}
internal static extern NativeULong C_GetSessionInfo(NativeULong session, ref CK_SESSION_INFO info);