com.hierynomus.mssmb2.messages.SMB2TreeConnectRequest Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of smbj Show documentation

SMB2 protocol library for communication with Windows servers

There is a newer version: 0.13.0

/*
 * Copyright (C)2016 - SMBJ Contributors
 *
 * Licensed 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 com.hierynomus.mssmb2.messages;

import com.hierynomus.mssmb2.SMB2Dialect;
import com.hierynomus.mssmb2.SMB2PacketHeader;
import com.hierynomus.mssmb2.SMB2MessageCommandCode;
import com.hierynomus.mssmb2.SMB2Packet;
import com.hierynomus.smb.SMBBuffer;
import com.hierynomus.smbj.common.SmbPath;

/**
 * [MS-SMB2].pdf 2.2.9 SMB2 TREE_CONNECT Request
 */
public class SMB2TreeConnectRequest extends SMB2Packet {

    private final SMB2Dialect dialect;
    private boolean isClusterReconnect; // SMB 3.1.1 only
    private SmbPath smbPath;

    public SMB2TreeConnectRequest(SMB2Dialect dialect, SmbPath smbPath, long sessionId) {
        super(9, dialect, SMB2MessageCommandCode.SMB2_TREE_CONNECT, sessionId, 0);
        this.dialect = dialect;
        this.smbPath = smbPath;
    }

    @Override
    protected void writeTo(SMBBuffer buffer) {
        buffer.putUInt16(structureSize); // StructureSize (2 bytes)
        putFlags(buffer); // Flags (2 bytes)
        buffer.putUInt16(SMB2PacketHeader.STRUCTURE_SIZE + 8); // PathOffset (2 bytes) (header structure size + msg structure size)
        String pathString = smbPath.toString();
        buffer.putStringLengthUInt16(pathString); // PathLength (2 bytes)
        buffer.putString(pathString); // Buffer (variable)
    }

    private void putFlags(SMBBuffer buffer) {
        if (dialect == SMB2Dialect.SMB_3_1_1 && isClusterReconnect) {
            buffer.putUInt16(0x01);
        } else {
            buffer.putReserved2();
        }
    }

    /**
     * Needed for DFS resolution
     *
     * @return
     */
    public SmbPath getSmbPath() {
        return smbPath;
    }

    /**
     * Needed for DFS resolution
     *
     * @param smbPath The resolved SMB Path
     */
    public void setSmbPath(SmbPath smbPath) {
        this.smbPath = smbPath;
    }
}