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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.cmsutil.radius;
import java.util.*;
import java.math.*;
import java.security.*;
import java.net.*;
import java.io.*;
public abstract class NASPacket extends Packet {
public NASPacket(int c, short id, Authenticator auth) {
super(c, id, auth);
}
public byte[] getData() throws IOException {
// prepare the attributes first
ByteArrayOutputStream attrsOS = new ByteArrayOutputStream();
for (int i = 0; i < _attrs.size(); i++) {
Attribute attr = (Attribute) getAttributeAt(i);
attrsOS.write(attr.getData());
}
byte attrsData[] = attrsOS.toByteArray();
ByteArrayOutputStream dataOS = new ByteArrayOutputStream();
dataOS.write(_c); // code
dataOS.write(_id); // identifier
int len = attrsData.length + 20;
dataOS.write((len >>> 8) & 0xFF);
dataOS.write(len & 0xFF);
dataOS.write(_auth.getData());
dataOS.write(attrsData);
return dataOS.toByteArray();
}
}
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