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annotate src/ch/ethz/ssh2/packets/PacketNewKeys.java @ 416:07c1da90deab

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avoid null pointer
author Carl Byington <carl@five-ten-sg.com>
date Mon, 27 Oct 2014 13:58:42 -0700
parents 071eccdff8ea
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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: PacketNewKeys.java 160 2014-05-01 14:30:26Z dkocher@sudo.ch $
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15 */
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16 public final class PacketNewKeys {
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17 private final byte[] payload;
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18
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19 public PacketNewKeys() {
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20 TypesWriter tw = new TypesWriter();
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21 tw.writeByte(Packets.SSH_MSG_NEWKEYS);
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22 payload = tw.getBytes();
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23 }
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24
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25 public PacketNewKeys(byte payload[]) throws IOException {
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26 this.payload = payload;
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27 TypesReader tr = new TypesReader(payload);
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28 int packet_type = tr.readByte();
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29
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30 if (packet_type != Packets.SSH_MSG_NEWKEYS) {
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31 throw new PacketTypeException(packet_type);
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32 }
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33
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34 if (tr.remain() != 0) {
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35 throw new PacketFormatException(String.format("Padding in %s", Packets.getMessageName(packet_type)));
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36 }
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37 }
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38
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39 public byte[] getPayload() {
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40 return payload;
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41 }
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42 }