148ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood/* 248ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood * Copyright (c) 2006-2011 Christian Plattner. All rights reserved. 348ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood * Please refer to the LICENSE.txt for licensing details. 448ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood */ 548ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwoodpackage ch.ethz.ssh2.packets; 648ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood 748ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwoodimport java.io.IOException; 848ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood 948ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood/** 1048ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood * PacketChannelOpenConfirmation. 1148ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood * 1248ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood * @author Christian Plattner 1348ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood * @version 2.50, 03/15/10 1448ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood */ 1548ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwoodpublic class PacketChannelOpenConfirmation 1648ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood{ 1748ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood byte[] payload; 1848ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood 1948ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood public int recipientChannelID; 2048ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood public int senderChannelID; 2148ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood public int initialWindowSize; 2248ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood public int maxPacketSize; 2348ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood 2448ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood public PacketChannelOpenConfirmation(int recipientChannelID, int senderChannelID, int initialWindowSize, 2548ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood int maxPacketSize) 2648ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood { 2748ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood this.recipientChannelID = recipientChannelID; 2848ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood this.senderChannelID = senderChannelID; 2948ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood this.initialWindowSize = initialWindowSize; 3048ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood this.maxPacketSize = maxPacketSize; 3148ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood } 3248ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood 3348ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood public PacketChannelOpenConfirmation(byte payload[], int off, int len) throws IOException 3448ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood { 3548ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood this.payload = new byte[len]; 3648ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood System.arraycopy(payload, off, this.payload, 0, len); 3748ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood 3848ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood TypesReader tr = new TypesReader(payload, off, len); 3948ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood 4048ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood int packet_type = tr.readByte(); 4148ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood 4248ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood if (packet_type != Packets.SSH_MSG_CHANNEL_OPEN_CONFIRMATION) 4348ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood throw new IOException( 4448ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood "This is not a SSH_MSG_CHANNEL_OPEN_CONFIRMATION! (" 4548ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood + packet_type + ")"); 4648ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood 4748ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood recipientChannelID = tr.readUINT32(); 4848ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood senderChannelID = tr.readUINT32(); 4948ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood initialWindowSize = tr.readUINT32(); 5048ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood maxPacketSize = tr.readUINT32(); 5148ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood 5248ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood if (tr.remain() != 0) 5348ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood throw new IOException("Padding in SSH_MSG_CHANNEL_OPEN_CONFIRMATION packet!"); 5448ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood } 5548ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood 5648ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood public byte[] getPayload() 5748ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood { 5848ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood if (payload == null) 5948ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood { 6048ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood TypesWriter tw = new TypesWriter(); 6148ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood tw.writeByte(Packets.SSH_MSG_CHANNEL_OPEN_CONFIRMATION); 6248ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood tw.writeUINT32(recipientChannelID); 6348ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood tw.writeUINT32(senderChannelID); 6448ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood tw.writeUINT32(initialWindowSize); 6548ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood tw.writeUINT32(maxPacketSize); 6648ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood payload = tw.getBytes(); 6748ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood } 6848ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood return payload; 6948ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood } 7048ded2421114c4c87ef3f8005c9f793a5d077cbdMike Lockwood} 71