com.sun.jna.platform.win32.Sspi Java Examples

The following examples show how to use com.sun.jna.platform.win32.Sspi. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: BackportWindowsNegotiateScheme.java From cyberduck with GNU General Public License v3.0

5 votes

String getToken(
    final Sspi.CtxtHandle continueCtx,
    final Sspi.SecBufferDesc continueToken,
    final String targetName) {
    final IntByReference attr = new IntByReference();
    final ManagedSecBufferDesc token = new ManagedSecBufferDesc(
        Sspi.SECBUFFER_TOKEN, Sspi.MAX_TOKEN_SIZE);

    sspiContext = new Sspi.CtxtHandle();
    final int rc = Secur32.INSTANCE.InitializeSecurityContext(clientCred,
        continueCtx, targetName, Sspi.ISC_REQ_DELEGATE | Sspi.ISC_REQ_MUTUAL_AUTH, 0,
        Sspi.SECURITY_NATIVE_DREP, continueToken, 0, sspiContext, token,
        attr, null);
    switch(rc) {
        case WinError.SEC_I_CONTINUE_NEEDED:
            continueNeeded = true;
            break;
        case WinError.SEC_E_OK:
            dispose(); // Don't keep the context
            continueNeeded = false;
            break;
        default:
            dispose();
            throw new Win32Exception(rc);
    }
    return Base64.encodeBase64String(token.getBuffer(0).getBytes());
}

Example #2

Source File: WindowsNativeSspiAuthentication.java From mariadb-connector-j with GNU Lesser General Public License v2.1

5 votes

/**
 * Process native windows GSS plugin authentication.
 *
 * @param out out stream
 * @param in in stream
 * @param sequence packet sequence
 * @param servicePrincipalName principal name
 * @param mechanisms gssapi mechanism
 * @throws IOException if socket error
 */
public void authenticate(
    final PacketOutputStream out,
    final PacketInputStream in,
    final AtomicInteger sequence,
    final String servicePrincipalName,
    final String mechanisms)
    throws IOException {

  // initialize a security context on the client
  IWindowsSecurityContext clientContext =
      WindowsSecurityContextImpl.getCurrent(mechanisms, servicePrincipalName);

  do {

    // Step 1: send token to server
    byte[] tokenForTheServerOnTheClient = clientContext.getToken();
    out.startPacket(sequence.incrementAndGet());
    out.write(tokenForTheServerOnTheClient);
    out.flush();

    // Step 2: read server response token
    if (clientContext.isContinue()) {
      Buffer buffer = in.getPacket(true);
      sequence.set(in.getLastPacketSeq());
      byte[] tokenForTheClientOnTheServer = buffer.readRawBytes(buffer.remaining());
      Sspi.SecBufferDesc continueToken =
          new SspiUtil.ManagedSecBufferDesc(Sspi.SECBUFFER_TOKEN, tokenForTheClientOnTheServer);
      clientContext.initialize(clientContext.getHandle(), continueToken, servicePrincipalName);
    }

  } while (clientContext.isContinue());

  clientContext.dispose();
}