org.apache.sshd.common.subsystem.sftp.extensions.Supported2Parser Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.sshd.common.subsystem.sftp.extensions;
import java.util.Collection;
import org.apache.sshd.common.subsystem.sftp.SftpConstants;
import org.apache.sshd.common.subsystem.sftp.extensions.Supported2Parser.Supported2;
import org.apache.sshd.common.util.buffer.Buffer;
import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
/**
* Parses the "supported2" extension as defined in
* DRAFT 13 section 5.4
*
* @author Apache MINA SSHD Project
*/
public class Supported2Parser extends AbstractParser {
/**
* @author Apache MINA SSHD Project
* @see DRAFT 13 section 5.4
*/
public static class Supported2 {
// CHECKSTYLE:OFF
public int supportedAttributeMask;
public int supportedAttributeBits;
public int supportedOpenFlags;
public int supportedAccessMask;
public int maxReadSize;
public short supportedOpenBlockVector;
public short supportedBlock;
// uint32 attrib-extension-count
public Collection attribExtensionNames;
// uint32 extension-count
public Collection extensionNames;
// CHECKSTYLE:ON
@Override
public String toString() {
return "attrsMask=0x" + Integer.toHexString(supportedAttributeMask)
+ ",attrsBits=0x" + Integer.toHexString(supportedAttributeBits)
+ ",openFlags=0x" + Integer.toHexString(supportedOpenFlags)
+ ",accessMask=0x" + Integer.toHexString(supportedAccessMask)
+ ",maxRead=" + maxReadSize
+ ",openBlock=0x" + Integer.toHexString(supportedOpenBlockVector & 0xFFFF)
+ ",block=" + Integer.toHexString(supportedBlock & 0xFFFF)
+ ",attribs=" + attribExtensionNames
+ ",exts=" + extensionNames;
}
}
public static final Supported2Parser INSTANCE = new Supported2Parser();
public Supported2Parser() {
super(SftpConstants.EXT_SUPPORTED2);
}
@Override
public Supported2 parse(byte[] input, int offset, int len) {
return parse(new ByteArrayBuffer(input, offset, len));
}
public Supported2 parse(Buffer buffer) {
Supported2 sup2 = new Supported2();
sup2.supportedAttributeMask = buffer.getInt();
sup2.supportedAttributeBits = buffer.getInt();
sup2.supportedOpenFlags = buffer.getInt();
sup2.supportedAccessMask = buffer.getInt();
sup2.maxReadSize = buffer.getInt();
sup2.supportedOpenBlockVector = buffer.getShort();
sup2.supportedBlock = buffer.getShort();
sup2.attribExtensionNames = buffer.getStringList(true);
sup2.extensionNames = buffer.getStringList(true);
return sup2;
}
}