1/*
2 * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
3 * Please refer to the LICENSE.txt for licensing details.
4 */
5package ch.ethz.ssh2.packets;
6
7import java.io.IOException;
8
9/**
10 * PacketUserauthRequestPassword.
11 *
12 * @author Christian Plattner
13 * @version 2.50, 03/15/10
14 */
15public class PacketUserauthRequestPassword
16{
17	byte[] payload;
18
19	String userName;
20	String serviceName;
21	String password;
22
23	public PacketUserauthRequestPassword(String serviceName, String user, String pass)
24	{
25		this.serviceName = serviceName;
26		this.userName = user;
27		this.password = pass;
28	}
29
30	public PacketUserauthRequestPassword(byte payload[], int off, int len) throws IOException
31	{
32		this.payload = new byte[len];
33		System.arraycopy(payload, off, this.payload, 0, len);
34
35		TypesReader tr = new TypesReader(payload, off, len);
36
37		int packet_type = tr.readByte();
38
39		if (packet_type != Packets.SSH_MSG_USERAUTH_REQUEST)
40			throw new IOException("This is not a SSH_MSG_USERAUTH_REQUEST! (" + packet_type + ")");
41
42		userName = tr.readString();
43		serviceName = tr.readString();
44
45		String method = tr.readString();
46
47		if (method.equals("password") == false)
48			throw new IOException("This is not a SSH_MSG_USERAUTH_REQUEST with type password!");
49
50		/* ... */
51
52		if (tr.remain() != 0)
53			throw new IOException("Padding in SSH_MSG_USERAUTH_REQUEST packet!");
54	}
55
56	public byte[] getPayload()
57	{
58		if (payload == null)
59		{
60			TypesWriter tw = new TypesWriter();
61			tw.writeByte(Packets.SSH_MSG_USERAUTH_REQUEST);
62			tw.writeString(userName);
63			tw.writeString(serviceName);
64			tw.writeString("password");
65			tw.writeBoolean(false);
66			tw.writeString(password);
67			payload = tw.getBytes();
68		}
69		return payload;
70	}
71}
72