Coverage report

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examples.rshell |
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     /*
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      * Copyright 2001-2005 The Apache Software Foundation
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      *
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      * Licensed under the Apache License, Version 2.0 (the "License");
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      * you may not use this file except in compliance with the License.
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      * 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, software
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      * distributed under the License is distributed on an "AS IS" BASIS,
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      * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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      * See the License for the specific language governing permissions and
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      * limitations under the License.
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      */
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     package examples;
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     import java.io.IOException;
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     import org.apache.commons.net.bsd.RCommandClient;
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     /***
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      * This is an example program demonstrating how to use the RCommandClient
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      * class. This program connects to an rshell daemon and requests that the
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      * given command be executed on the server.  It then reads input from stdin
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      * (this will be line buffered on most systems, so don't expect character
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      * at a time interactivity), passing it to the remote process and writes
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      * the process stdout and stderr to local stdout.
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      * <p>
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      * On Unix systems you will not be able to use the rshell capability
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      * unless the process runs as root since only root can bind port addresses
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      * lower than 1024.
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      * <p>
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      * Example: java rshell myhost localusername remoteusername "ps -aux"
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      * <p>
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      * Usage: rshell <hostname> <localuser> <remoteuser> <command>
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      * <p>
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      ***/
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     // This class requires the IOUtil support class!
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     public final class rshell
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     {
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         public static final void main(String[] args)
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         {
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             String server, localuser, remoteuser, command;
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             RCommandClient client;
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             if (args.length != 4)
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             {
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                 System.err.println(
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                     "Usage: rshell <hostname> <localuser> <remoteuser> <command>");
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                 System.exit(1);
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                 return ; // so compiler can do proper flow control analysis
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             }
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             client = new RCommandClient();
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             server = args[0];
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             localuser = args[1];
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             remoteuser = args[2];
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             command = args[3];
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             try
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             {
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                 client.connect(server);
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             }
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             catch (IOException e)
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             {
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                 System.err.println("Could not connect to server.");
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                 e.printStackTrace();
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                 System.exit(1);
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             }
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             try
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             {
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                 client.rcommand(localuser, remoteuser, command);
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             }
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             catch (IOException e)
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             {
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                 try
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                 {
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                     client.disconnect();
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                 }
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                 catch (IOException f)
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                 {}
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                 e.printStackTrace();
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                 System.err.println("Could not execute command.");
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                 System.exit(1);
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             }
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             IOUtil.readWrite(client.getInputStream(), client.getOutputStream(),
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                              System.in, System.out);
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             try
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             {
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                 client.disconnect();
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             }
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             catch (IOException e)
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             {
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                 e.printStackTrace();
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                 System.exit(1);
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             }
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             System.exit(0);
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         }
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     }
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