/* * Copyright (c) 2006-2011 Christian Plattner. All rights reserved. * Please refer to the LICENSE.txt for licensing details. */ import java.io.BufferedReader; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import ch.ethz.ssh2.Connection; import ch.ethz.ssh2.Session; import ch.ethz.ssh2.StreamGobbler; public class PublicKeyAuthentication { public static void main(String[] args) { String hostname = "127.0.0.1"; String username = "joe"; File keyfile = new File("~/.ssh/id_rsa"); // or "~/.ssh/id_dsa" String keyfilePass = "joespass"; // will be ignored if not needed try { /* Create a connection instance */ Connection conn = new Connection(hostname); /* Now connect */ conn.connect(); /* Authenticate */ boolean isAuthenticated = conn.authenticateWithPublicKey(username, keyfile, keyfilePass); if (isAuthenticated == false) throw new IOException("Authentication failed."); /* Create a session */ Session sess = conn.openSession(); sess.execCommand("uname -a && date && uptime && who"); InputStream stdout = new StreamGobbler(sess.getStdout()); BufferedReader br = new BufferedReader(new InputStreamReader(stdout)); System.out.println("Here is some information about the remote host:"); while (true) { String line = br.readLine(); if (line == null) break; System.out.println(line); } /* Close this session */ sess.close(); /* Close the connection */ conn.close(); } catch (IOException e) { e.printStackTrace(System.err); System.exit(2); } } }