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/*
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 * Licensed to the Apache Software Foundation (ASF) under one
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 * or more contributor license agreements.  See the NOTICE file
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 * distributed with this work for additional information
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 * regarding copyright ownership.  The ASF licenses this file
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 * to you under the Apache License, Version 2.0 (the
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 * "License"); you may not use this file except in compliance
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 * with the License.  You may obtain a copy of the License at
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 *
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 *   http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing,
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 * software distributed under the License is distributed on an
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 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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 * KIND, either express or implied.  See the License for the
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 * specific language governing permissions and limitations
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 * under the License.
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 */
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package org.apache.sshd.client.channel;
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import java.io.IOException;
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import org.apache.sshd.common.SshConstants;
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import org.apache.sshd.common.util.Buffer;
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/**
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 * TODO Add javadoc
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 *
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 * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
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 */
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public class ChannelExec extends PtyCapableChannelSession {
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    private final String command;
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    public ChannelExec(String command) {
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        super(false);
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        if (command == null) {
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            throw new IllegalArgumentException("command must not be null");
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        }
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        this.command = command;
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    }
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    protected void doOpen() throws IOException {
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        doOpenPty();
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        log.debug("Send SSH_MSG_CHANNEL_REQUEST exec");
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        Buffer buffer = session.createBuffer(SshConstants.SSH_MSG_CHANNEL_REQUEST);
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        buffer.putInt(recipient);
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        buffer.putString("exec");
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        buffer.putBoolean(false);
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        buffer.putString(command);
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        writePacket(buffer);
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        super.doOpen();
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    }
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}