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annotate src/ch/ethz/ssh2/packets/PacketUserauthRequestPublicKey.java @ 283:3855f58ffd2b ganymed

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start conversion from trilead to ganymed
author Carl Byington <carl@five-ten-sg.com>
date Fri, 18 Jul 2014 17:32:11 -0700
parents 91a31873c42a
children 071eccdff8ea
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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: PacketUserauthRequestPublicKey.java 160 2014-05-01 14:30:26Z dkocher@sudo.ch $
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15 */
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16 public final class PacketUserauthRequestPublicKey {
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17
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18 private final byte[] payload;
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19
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20 public PacketUserauthRequestPublicKey(String serviceName, String user,
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21 String pkAlgorithmName, byte[] pk, byte[] sig) {
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22 TypesWriter tw = new TypesWriter();
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23 tw.writeByte(Packets.SSH_MSG_USERAUTH_REQUEST);
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24 tw.writeString(user);
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25 tw.writeString(serviceName);
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26 tw.writeString("publickey");
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27 tw.writeBoolean(true);
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28 tw.writeString(pkAlgorithmName);
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29 tw.writeString(pk, 0, pk.length);
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30 tw.writeString(sig, 0, sig.length);
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31 payload = tw.getBytes();
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32 }
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33
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34 public PacketUserauthRequestPublicKey(byte payload[]) throws IOException {
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35 this.payload = payload;
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36
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37 TypesReader tr = new TypesReader(payload);
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38
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39 int packet_type = tr.readByte();
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40
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41 if(packet_type != Packets.SSH_MSG_USERAUTH_REQUEST) {
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42 throw new PacketTypeException(packet_type);
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43 }
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44 String userName = tr.readString();
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45 String serviceName = tr.readString();
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46
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47 String method = tr.readString();
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48
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49 if(!method.equals("publickey")) {
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50 throw new IOException(String.format("Unexpected method %s", method));
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51 }
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52 if(tr.remain() != 0) {
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53 throw new PacketFormatException(String.format("Padding in %s", Packets.getMessageName(packet_type)));
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54 }
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55 }
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56
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57 public byte[] getPayload() {
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58 return payload;
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59 }
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60 }