annotate src/ch/ethz/ssh2/SCPInputStream.java @ 379:aaf1599a8656

document eula key in deployment.connections
author Carl Byington <carl@five-ten-sg.com>
date Mon, 04 Aug 2014 15:08:42 -0700
parents 071eccdff8ea
children
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1 /*
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2 * Copyright (c) 2011 David Kocher. All rights reserved.
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3 * Please refer to the LICENSE.txt for licensing details.
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4 */
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5 package ch.ethz.ssh2;
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6
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7 import java.io.BufferedInputStream;
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8 import java.io.BufferedOutputStream;
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9 import java.io.IOException;
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10 import java.io.OutputStream;
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11
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12 /**
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13 * @version $Id: SCPInputStream.java 151 2014-04-28 10:03:39Z dkocher@sudo.ch $
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14 */
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15 public class SCPInputStream extends BufferedInputStream {
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16 private Session session;
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17
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18 /**
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19 * Bytes remaining to be read from the stream
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20 */
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21 private long remaining;
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22
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23 public SCPInputStream(SCPClient client, Session session) throws IOException {
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24 super(session.getStdout());
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25 this.session = session;
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26 OutputStream os = new BufferedOutputStream(session.getStdin(), 512);
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27 os.write(0x0);
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28 os.flush();
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29 final SCPClient.LenNamePair lnp;
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30
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31 while (true) {
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32 int c = session.getStdout().read();
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34 if (c < 0) {
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35 throw new IOException("Remote scp terminated unexpectedly.");
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36 }
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37
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38 String line = client.receiveLine(session.getStdout());
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39
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40 if (c == 'T') {
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41 /* Ignore modification times */
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42 continue;
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43 }
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44
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45 if ((c == 1) || (c == 2)) {
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46 throw new IOException("Remote SCP error: " + line);
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47 }
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49 if (c == 'C') {
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50 lnp = client.parseCLine(line);
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51 break;
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52 }
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53
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54 throw new IOException("Remote SCP error: " + ((char) c) + line);
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55 }
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57 os.write(0x0);
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58 os.flush();
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59 this.remaining = lnp.length;
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60 }
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62 @Override
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63 public int read() throws IOException {
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64 if (!(remaining > 0)) {
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65 return -1;
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66 }
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67
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68 int b = super.read();
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69
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70 if (b < 0) {
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71 throw new IOException("Remote scp terminated connection unexpectedly");
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72 }
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74 remaining -= 1;
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75 return b;
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76 }
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78 @Override
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79 public int read(byte b[], int off, int len) throws IOException {
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80 if (!(remaining > 0)) {
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81 return -1;
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82 }
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84 int trans = (int) remaining;
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86 if (remaining > len) {
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87 trans = len;
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88 }
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89
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90 int read = super.read(b, off, trans);
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92 if (read < 0) {
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93 throw new IOException("Remote scp terminated connection unexpectedly");
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94 }
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96 remaining -= read;
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97 return read;
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98 }
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100 @Override
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101 public void close() throws IOException {
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102 try {
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103 session.getStdin().write(0x0);
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104 session.getStdin().flush();
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105 }
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106 finally {
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107 if (session != null) {
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108 session.close();
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109 }
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110 }
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111 }
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112 }