1 /* 2 * Copyright (c) 2006-2011 Christian Plattner. All rights reserved. 3 * Please refer to the LICENSE.txt for licensing details. 4 */ 5 package ch.ethz.ssh2.packets; 6 7 import java.io.IOException; 8 9 /** 10 * PacketUserauthBanner. 11 * 12 * @author Christian Plattner 13 * @version 2.50, 03/15/10 14 */ 15 public class PacketUserauthBanner 16 { 17 byte[] payload; 18 19 String message; 20 String language; 21 22 public PacketUserauthBanner(String message, String language) 23 { 24 this.message = message; 25 this.language = language; 26 } 27 28 public String getBanner() 29 { 30 return message; 31 } 32 33 public PacketUserauthBanner(byte payload[], int off, int len) throws IOException 34 { 35 this.payload = new byte[len]; 36 System.arraycopy(payload, off, this.payload, 0, len); 37 38 TypesReader tr = new TypesReader(payload, off, len); 39 40 int packet_type = tr.readByte(); 41 42 if (packet_type != Packets.SSH_MSG_USERAUTH_BANNER) 43 throw new IOException("This is not a SSH_MSG_USERAUTH_BANNER! (" + packet_type + ")"); 44 45 message = tr.readString("UTF-8"); 46 language = tr.readString(); 47 48 if (tr.remain() != 0) 49 throw new IOException("Padding in SSH_MSG_USERAUTH_REQUEST packet!"); 50 } 51 52 public byte[] getPayload() 53 { 54 if (payload == null) 55 { 56 TypesWriter tw = new TypesWriter(); 57 tw.writeByte(Packets.SSH_MSG_USERAUTH_BANNER); 58 tw.writeString(message); 59 tw.writeString(language); 60 payload = tw.getBytes(); 61 } 62 return payload; 63 } 64 } 65
