net.schmizz.sshj.userauth.method.AuthHostbased Maven / Gradle / Ivy

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SSHv2 library for Java

There is a newer version: 0.10.0

/*
 * Copyright 2010 Shikhar Bhushan
 *
 * 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 net.schmizz.sshj.userauth.method;

import net.schmizz.sshj.common.SSHPacket;
import net.schmizz.sshj.userauth.UserAuthException;
import net.schmizz.sshj.userauth.keyprovider.KeyProvider;

// TODO check if this even works...!

/** Implements the {@code hostbased} SSH authentication method. */
public class AuthHostbased
        extends KeyedAuthMethod {

    protected final String hostname;
    protected final String hostuser;

    public AuthHostbased(KeyProvider kProv, String hostuser) {
        this(kProv, hostuser, null);
    }

    public AuthHostbased(KeyProvider kProv, String hostuser, String hostname) {
        super("hostbased", kProv);
        assert hostuser != null;
        this.hostuser = hostuser;
        this.hostname = hostname;
    }

    @Override
    protected SSHPacket buildReq()
            throws UserAuthException {
        SSHPacket req = putPubKey(super.buildReq());
        req.putString(hostname == null ? params.getTransport().getRemoteHost() : hostname) //
                .putString(hostuser);
        return putSig(req);
    }

}