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annotate src/ch/ethz/ssh2/packets/PacketUserauthBanner.java @ 346:d6ab7b606a50

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compensate for SecureRandom bug on older devices
author Carl Byington <carl@five-ten-sg.com>
date Thu, 31 Jul 2014 18:51:21 -0700
parents 071eccdff8ea
children
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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.packets;
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6
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7 import java.io.IOException;
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8
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9 import ch.ethz.ssh2.PacketFormatException;
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10 import ch.ethz.ssh2.PacketTypeException;
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11
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12 /**
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13 * @author Christian Plattner
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14 * @version $Id: PacketUserauthBanner.java 160 2014-05-01 14:30:26Z dkocher@sudo.ch $
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15 */
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16 public final class PacketUserauthBanner {
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17 private final byte[] payload;
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18
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19 private final String message;
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20
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21 public PacketUserauthBanner(String message) {
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22 this.message = message;
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23 TypesWriter tw = new TypesWriter();
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24 tw.writeByte(Packets.SSH_MSG_USERAUTH_BANNER);
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25 tw.writeString(message);
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26 tw.writeString("");
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27 payload = tw.getBytes();
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28 }
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29
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30 public String getBanner() {
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31 return message;
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32 }
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34 public PacketUserauthBanner(byte payload[]) throws IOException {
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35 this.payload = payload;
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36 TypesReader tr = new TypesReader(payload);
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37 int packet_type = tr.readByte();
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38
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39 if (packet_type != Packets.SSH_MSG_USERAUTH_BANNER) {
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40 throw new PacketTypeException(packet_type);
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41 }
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42
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43 message = tr.readString("UTF-8");
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44 String language = tr.readString();
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45
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46 if (tr.remain() != 0) {
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47 throw new PacketFormatException(String.format("Padding in %s", Packets.getMessageName(packet_type)));
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48 }
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49 }
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51 public byte[] getPayload() {
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52 return payload;
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53 }
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54 }