com.hierynomus.smbj.connection.ConnectionInfo Maven / Gradle / Ivy

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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.smbj.connection;

import com.hierynomus.mssmb2.SMB2GlobalCapability;
import com.hierynomus.mssmb2.messages.SMB2NegotiateResponse;

import com.hierynomus.ntlm.messages.WindowsVersion;
import java.util.Arrays;
import java.util.EnumSet;
import java.util.UUID;

import static com.hierynomus.protocol.commons.EnumWithValue.EnumUtils.toEnumSet;

public class ConnectionInfo {

    private WindowsVersion windowsVersion;
    private String netBiosName;
    // All SMB2 Dialect
    private byte[] gssNegotiateToken;
    private UUID serverGuid;
    private String serverName;
    private NegotiatedProtocol negotiatedProtocol;
    // SMB 2.1+
    private UUID clientGuid = UUID.randomUUID();
    // For SMB 2.1+ only SMB2_GLOBAL_CAP_LEASING and SMB2_GLOBAL_CAP_LARGE_MTU
    // For SMB 3.x+ all capabilities supported
    private EnumSet clientCapabilities;
    private EnumSet serverCapabilities;
    // SMB 3.x+
    private int clientSecurityMode;
    private int serverSecurityMode;
    private String server; // Reference to the server connected to?
    // SMB 3.1.1
    private String preauthIntegrityHashId;
    private byte[] preauthIntegrityHashValue;
    private String cipherId;

    ConnectionInfo(UUID clientGuid, String serverName) {
        // new SessionTable
        // new OutstandingRequests
        this.clientGuid = clientGuid;
        this.gssNegotiateToken = new byte[0];
        this.serverName = serverName;
        this.clientCapabilities = EnumSet.of(SMB2GlobalCapability.SMB2_GLOBAL_CAP_DFS);
    }

    void negotiated(SMB2NegotiateResponse response) {
//        gssNegotiateToken = response.getGssToken();
        serverGuid = response.getServerGuid();
        serverCapabilities = toEnumSet(response.getCapabilities(), SMB2GlobalCapability.class);
        this.negotiatedProtocol = new NegotiatedProtocol(response.getDialect(), response.getMaxTransactSize(), response.getMaxReadSize(), response.getMaxWriteSize(), serverCapabilities.contains(SMB2GlobalCapability.SMB2_GLOBAL_CAP_LARGE_MTU));
        serverSecurityMode = response.getSecurityMode();
    }

    public UUID getClientGuid() {
        return clientGuid;
    }

    public boolean isServerRequiresSigning() {
        return (serverSecurityMode & 0x02) > 0;
    }

    public boolean isServerSigningEnabled() {
        return (serverSecurityMode & 0x01) > 0;
    }

    public NegotiatedProtocol getNegotiatedProtocol() {
        return negotiatedProtocol;
    }

    public byte[] getGssNegotiateToken() {
        return Arrays.copyOf(gssNegotiateToken, gssNegotiateToken.length);
    }

    public UUID getServerGuid() {
        return serverGuid;
    }

    public String getServerName() {
        return serverName;
    }

    public boolean supports(SMB2GlobalCapability capability) {
        return serverCapabilities.contains(capability);
    }

    public EnumSet getClientCapabilities() {
        return clientCapabilities;
    }

    public WindowsVersion getWindowsVersion() {
        return windowsVersion;
    }

    public void setWindowsVersion(WindowsVersion windowsVersion) {
        this.windowsVersion = windowsVersion;
    }

    public String getNetBiosName() {
        return netBiosName;
    }

    public void setNetBiosName(String netBiosName) {
        this.netBiosName = netBiosName;
    }

    @Override
    public String toString() {
        return "ConnectionInfo{\n" + "  serverGuid=" + serverGuid + ",\n" +
            "  serverName='" + serverName + "',\n" +
            "  negotiatedProtocol=" + negotiatedProtocol + ",\n" +
            "  clientGuid=" + clientGuid + ",\n" +
            "  clientCapabilities=" + clientCapabilities + ",\n" +
            "  serverCapabilities=" + serverCapabilities + ",\n" +
            "  clientSecurityMode=" + clientSecurityMode + ",\n" +
            "  serverSecurityMode=" + serverSecurityMode + ",\n" +
            "  server='" + server + "'\n" +
            '}';
    }
}