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1 package com.trilead.ssh2.packets;
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2
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3 import java.io.IOException;
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4
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5 /**
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6 * PacketUserauthBanner.
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7 *
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8 * @author Christian Plattner, plattner@trilead.com
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9 * @version $Id: PacketUserauthBanner.java,v 1.1 2007/10/15 12:49:55 cplattne Exp $
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10 */
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11 public class PacketUserauthBanner {
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12 byte[] payload;
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13
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14 String message;
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15 String language;
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16
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17 public PacketUserauthBanner(String message, String language) {
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18 this.message = message;
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19 this.language = language;
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20 }
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21
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22 public String getBanner() {
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23 return message;
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24 }
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25
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26 public PacketUserauthBanner(byte payload[], int off, int len) throws IOException {
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27 this.payload = new byte[len];
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28 System.arraycopy(payload, off, this.payload, 0, len);
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29 TypesReader tr = new TypesReader(payload, off, len);
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30 int packet_type = tr.readByte();
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31
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32 if (packet_type != Packets.SSH_MSG_USERAUTH_BANNER)
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33 throw new IOException("This is not a SSH_MSG_USERAUTH_BANNER! (" + packet_type + ")");
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34
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35 message = tr.readString("UTF-8");
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36 language = tr.readString();
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37
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38 if (tr.remain() != 0)
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39 throw new IOException("Padding in SSH_MSG_USERAUTH_REQUEST packet!");
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40 }
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41
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42 public byte[] getPayload() {
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43 if (payload == null) {
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44 TypesWriter tw = new TypesWriter();
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45 tw.writeByte(Packets.SSH_MSG_USERAUTH_BANNER);
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46 tw.writeString(message);
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47 tw.writeString(language);
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48 payload = tw.getBytes();
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49 }
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50
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51 return payload;
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52 }
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53 }
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