Mercurial > 510Connectbot
annotate src/ch/ethz/ssh2/LocalStreamForwarder.java @ 345:663637117cf8
compensate for SecureRandom bug on older devices
| author | Carl Byington <carl@five-ten-sg.com> |
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| date | Thu, 31 Jul 2014 18:43:40 -0700 |
| parents | 071eccdff8ea |
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| rev | line source |
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1 /* |
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2 * Copyright (c) 2006-2011 Christian Plattner. 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.IOException; |
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8 import java.io.InputStream; |
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9 import java.io.OutputStream; |
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10 import java.net.InetAddress; |
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11 |
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12 import ch.ethz.ssh2.channel.Channel; |
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13 import ch.ethz.ssh2.channel.ChannelManager; |
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14 |
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15 /** |
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16 * A <code>LocalStreamForwarder</code> forwards an Input- and Outputstream |
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17 * pair via the secure tunnel to another host (which may or may not be identical |
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18 * to the remote SSH-2 server). |
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19 * |
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20 * @author Christian Plattner |
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21 * @version 2.50, 03/15/10 |
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22 */ |
| 307 | 23 public class LocalStreamForwarder { |
| 24 private ChannelManager cm; | |
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25 |
| 307 | 26 private Channel cn; |
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27 |
| 307 | 28 LocalStreamForwarder(ChannelManager cm, String host_to_connect, int port_to_connect) throws IOException { |
| 29 this.cm = cm; | |
| 30 cn = cm.openDirectTCPIPChannel(host_to_connect, port_to_connect, | |
| 31 InetAddress.getLocalHost().getHostAddress(), 0); | |
| 32 } | |
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33 |
| 307 | 34 /** |
| 35 * @return An <code>InputStream</code> object. | |
| 36 * @throws IOException | |
| 37 */ | |
| 38 public InputStream getInputStream() throws IOException { | |
| 39 return cn.getStdoutStream(); | |
| 40 } | |
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41 |
| 307 | 42 /** |
| 43 * Get the OutputStream. Please be aware that the implementation MAY use an | |
| 44 * internal buffer. To make sure that the buffered data is sent over the | |
| 45 * tunnel, you have to call the <code>flush</code> method of the | |
| 46 * <code>OutputStream</code>. To signal EOF, please use the | |
| 47 * <code>close</code> method of the <code>OutputStream</code>. | |
| 48 * | |
| 49 * @return An <code>OutputStream</code> object. | |
| 50 * @throws IOException | |
| 51 */ | |
| 52 public OutputStream getOutputStream() throws IOException { | |
| 53 return cn.getStdinStream(); | |
| 54 } | |
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55 |
| 307 | 56 /** |
| 57 * Close the underlying SSH forwarding channel and free up resources. | |
| 58 * You can also use this method to force the shutdown of the underlying | |
| 59 * forwarding channel. Pending output (OutputStream not flushed) will NOT | |
| 60 * be sent. Pending input (InputStream) can still be read. If the shutdown | |
| 61 * operation is already in progress (initiated from either side), then this | |
| 62 * call is a no-op. | |
| 63 * | |
| 64 * @throws IOException | |
| 65 */ | |
| 66 public void close() throws IOException { | |
| 67 cm.closeChannel(cn, "Closed due to user request.", true); | |
| 68 } | |
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69 } |