Package ch.ethz.ssh2.packets

Examples of ch.ethz.ssh2.packets.PacketChannelFailure

279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
    PacketNewKeys ign = new PacketNewKeys();
    tm.sendKexMessage(ign.getPayload());

    BlockCipher cbc;
    MAC mac;

    try
    {
      cbc = BlockCipherFactory.createCipher(kxs.np.enc_algo_client_to_server, true, km.enc_key_client_to_server,
          km.initial_iv_client_to_server);

      mac = new MAC(kxs.np.mac_algo_client_to_server, km.integrity_key_client_to_server);

    }
    catch (IllegalArgumentException e1)
    {
      throw new IOException("Fatal error during MAC startup!");
View Full Code Here
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
    {
      if (km == null)
        throw new IOException("Peer sent SSH_MSG_NEWKEYS, but I have no key material ready!");

      BlockCipher cbc;
      MAC mac;

      try
      {
        cbc = BlockCipherFactory.createCipher(kxs.np.enc_algo_server_to_client, false,
            km.enc_key_server_to_client, km.initial_iv_server_to_client);

        mac = new MAC(kxs.np.mac_algo_server_to_client, km.integrity_key_server_to_client);

      }
      catch (IllegalArgumentException e1)
      {
        throw new IOException("Fatal error during MAC startup!");
View Full Code Here
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
        {
          tm.sendAsynchronousMessage(new PacketChannelSuccess(c.remoteID).getPayload());
        }
        else
        {
          tm.sendAsynchronousMessage(new PacketChannelFailure(c.remoteID).getPayload());
        }     
      }
     
      if (run_after_sending_success != null)
      {
        runAsync(run_after_sending_success);
      }
     
      return;
    }

    if ((server_session != null) && (type.equals("shell")))
    {
      if (tr.remain() != 0)
        throw new IOException("Badly formatted SSH_MSG_CHANNEL_REQUEST message");
     
      Runnable run_after_sending_success = null;
      ServerSessionCallback sscb = server_session.getServerSessionCallback();

      if (sscb != null)
        run_after_sending_success = sscb.requestShell(server_session);

      if (wantReply)
      {
        if (run_after_sending_success != null)
        {
          tm.sendAsynchronousMessage(new PacketChannelSuccess(c.remoteID).getPayload());
        }
        else
        {
          tm.sendAsynchronousMessage(new PacketChannelFailure(c.remoteID).getPayload());
        }
      }
     
      if (run_after_sending_success != null)
      {
        runAsync(run_after_sending_success);
      }
     
      return;
    }
   
    if ((server_session != null) && (type.equals("exec")))
    {
      String command = tr.readString();
     
      if (tr.remain() != 0)
        throw new IOException("Badly formatted SSH_MSG_CHANNEL_REQUEST message");
     
      Runnable run_after_sending_success = null;
      ServerSessionCallback sscb = server_session.getServerSessionCallback();

      if (sscb != null)
        run_after_sending_success = sscb.requestExec(server_session, command);

      if (wantReply)
      {
        if (run_after_sending_success != null)
        {
          tm.sendAsynchronousMessage(new PacketChannelSuccess(c.remoteID).getPayload());
        }
        else
        {
          tm.sendAsynchronousMessage(new PacketChannelFailure(c.remoteID).getPayload());
        }
      }
     
      if (run_after_sending_success != null)
      {
        runAsync(run_after_sending_success);
      }
     
      return;
    }

    /* We simply ignore unknown channel requests, however, if the server wants a reply,
     * then we signal that we have no idea what it is about.
     */

    if (wantReply)
    {
      tm.sendAsynchronousMessage(new PacketChannelFailure(c.remoteID).getPayload());
    }

    log.debug("Channel request '" + type + "' is not known, ignoring it");
  }
View Full Code Here
445
446
447
448
449
450
451
452
453
454
455
456
        if (kxs.np.kex_algo.equals("diffie-hellman-group1-sha1"))
          kxs.dhx.init(1, rnd);
        else
          kxs.dhx.init(14, rnd);

        PacketKexDHInit kp = new PacketKexDHInit(kxs.dhx.getE());
        tm.sendKexMessage(kp.getPayload());
        kxs.state = 1;
        return;
      }

      throw new IllegalStateException("Unkown KEX method!");
View Full Code Here
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
        || kxs.np.kex_algo.equals("diffie-hellman-group14-sha1"))
    {
      if (kxs.state == 1)
      {

        PacketKexDHReply dhr = new PacketKexDHReply(msg, 0, msglen);

        kxs.hostkey = dhr.getHostKey();

        if (verifier != null)
        {
          boolean vres = false;

          try
          {
            vres = verifier.verifyServerHostKey(hostname, port, kxs.np.server_host_key_algo, kxs.hostkey);
          }
          catch (Exception e)
          {
            throw (IOException) new IOException(
                "The server hostkey was not accepted by the verifier callback.").initCause(e);
          }

          if (vres == false)
            throw new IOException("The server hostkey was not accepted by the verifier callback");
        }

        kxs.dhx.setF(dhr.getF());

        try
        {
          kxs.H = kxs.dhx.calculateH(csh.getClientString(), csh.getServerString(), kxs.localKEX.getPayload(),
              kxs.remoteKEX.getPayload(), dhr.getHostKey());
        }
        catch (IllegalArgumentException e)
        {
          throw (IOException) new IOException("KEX error.").initCause(e);
        }

        boolean res = verifySignature(dhr.getSignature(), kxs.hostkey);

        if (res == false)
          throw new IOException("Hostkey signature sent by remote is wrong!");

        kxs.K = kxs.dhx.getK();
View Full Code Here
507
508
509
510
511
512
513
514
515
516
517
518
    if (kxs.np.kex_algo.equals("diffie-hellman-group-exchange-sha1"))
    {
      if (kxs.state == 1)
      {
        PacketKexDhGexGroup dhgexgrp = new PacketKexDhGexGroup(msg, 0, msglen);
        kxs.dhgx = new DhGroupExchange(dhgexgrp.getP(), dhgexgrp.getG());
        kxs.dhgx.init(rnd);
        PacketKexDhGexInit dhgexinit = new PacketKexDhGexInit(kxs.dhgx.getE());
        tm.sendKexMessage(dhgexinit.getPayload());
        kxs.state = 2;
        return;
View Full Code Here
510
511
512
513
514
515
516
517
518
519
520
521
      if (kxs.state == 1)
      {
        PacketKexDhGexGroup dhgexgrp = new PacketKexDhGexGroup(msg, 0, msglen);
        kxs.dhgx = new DhGroupExchange(dhgexgrp.getP(), dhgexgrp.getG());
        kxs.dhgx.init(rnd);
        PacketKexDhGexInit dhgexinit = new PacketKexDhGexInit(kxs.dhgx.getE());
        tm.sendKexMessage(dhgexinit.getPayload());
        kxs.state = 2;
        return;
      }

      if (kxs.state == 2)
View Full Code Here
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
        return;
      }

      if (kxs.state == 2)
      {
        PacketKexDhGexReply dhgexrpl = new PacketKexDhGexReply(msg, 0, msglen);

        kxs.hostkey = dhgexrpl.getHostKey();

        if (verifier != null)
        {
          boolean vres = false;

          try
          {
            vres = verifier.verifyServerHostKey(hostname, port, kxs.np.server_host_key_algo, kxs.hostkey);
          }
          catch (Exception e)
          {
            throw (IOException) new IOException(
                "The server hostkey was not accepted by the verifier callback.").initCause(e);
          }

          if (vres == false)
            throw new IOException("The server hostkey was not accepted by the verifier callback");
        }

        kxs.dhgx.setF(dhgexrpl.getF());

        try
        {
          kxs.H = kxs.dhgx.calculateH(csh.getClientString(), csh.getServerString(),
              kxs.localKEX.getPayload(), kxs.remoteKEX.getPayload(), dhgexrpl.getHostKey(),
              kxs.dhgexParameters);
        }
        catch (IllegalArgumentException e)
        {
          throw (IOException) new IOException("KEX error.").initCause(e);
        }

        boolean res = verifySignature(dhgexrpl.getSignature(), kxs.hostkey);

        if (res == false)
          throw new IOException("Hostkey signature sent by remote is wrong!");

        kxs.K = kxs.dhgx.getK();
View Full Code Here
428
429
430
431
432
433
434
435
436
437
438
439
          tm.sendKexMessage(dhgexreq.getPayload());

        }
        else
        {
          PacketKexDhGexRequest dhgexreq = new PacketKexDhGexRequest(kxs.dhgexParameters);
          tm.sendKexMessage(dhgexreq.getPayload());
        }
        kxs.state = 1;
        return;
      }
View Full Code Here
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
      if (kxs.np.kex_algo.equals("diffie-hellman-group-exchange-sha1"))
      {
        if (kxs.dhgexParameters.getMin_group_len() == 0)
        {
          PacketKexDhGexRequestOld dhgexreq = new PacketKexDhGexRequestOld(kxs.dhgexParameters);
          tm.sendKexMessage(dhgexreq.getPayload());

        }
        else
        {
          PacketKexDhGexRequest dhgexreq = new PacketKexDhGexRequest(kxs.dhgexParameters);
          tm.sendKexMessage(dhgexreq.getPayload());
        }
        kxs.state = 1;
        return;
      }
View Full Code Here
TOP

Related Classes of ch.ethz.ssh2.packets.PacketChannelFailure

  • Basic
  • BasicWithHTTPProxy
  • ch.ethz.ssh2.auth.AuthenticationManager
  • ch.ethz.ssh2.auth.ServerAuthenticationManager
  • ch.ethz.ssh2.channel.ChannelManager
  • ch.ethz.ssh2.channel.LocalAcceptThread
  • ch.ethz.ssh2.Connection
  • ch.ethz.ssh2.ConnectionInfo
  • ch.ethz.ssh2.crypto.cipher.BlockCipher
  • ch.ethz.ssh2.crypto.dh.DhExchange
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.