| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.felix.gogo.jline.ssh; |
| |
| import java.io.CharArrayWriter; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.OutputStream; |
| import java.io.PrintStream; |
| import java.io.Reader; |
| import java.util.Map; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import org.apache.felix.service.command.CommandProcessor; |
| import org.apache.felix.service.command.CommandSession; |
| import org.apache.sshd.server.Command; |
| import org.apache.sshd.server.Environment; |
| import org.apache.sshd.server.ExitCallback; |
| import org.apache.sshd.server.SessionAware; |
| import org.apache.sshd.server.session.ServerSession; |
| |
| public class ShellCommand implements Command, Runnable, SessionAware { |
| |
| public static final String SHELL_INIT_SCRIPT = "karaf.shell.init.script"; |
| public static final String EXEC_INIT_SCRIPT = "karaf.exec.init.script"; |
| |
| private static final Logger LOGGER = Logger.getLogger(ShellCommand.class.getName()); |
| |
| private String command; |
| private InputStream in; |
| private OutputStream out; |
| private OutputStream err; |
| private ExitCallback callback; |
| @SuppressWarnings("unused") |
| private ServerSession session; |
| private CommandProcessor processor; |
| private Environment env; |
| |
| public ShellCommand(CommandProcessor processor, String command) { |
| this.processor = processor; |
| this.command = command; |
| } |
| |
| public void setInputStream(InputStream in) { |
| this.in = in; |
| } |
| |
| public void setOutputStream(OutputStream out) { |
| this.out = out; |
| } |
| |
| public void setErrorStream(OutputStream err) { |
| this.err = err; |
| } |
| |
| public void setExitCallback(ExitCallback callback) { |
| this.callback = callback; |
| } |
| |
| public void setSession(ServerSession session) { |
| this.session = session; |
| } |
| |
| public void start(final Environment env) { |
| this.env = env; |
| new Thread(this).start(); |
| } |
| |
| public void run() { |
| int exitStatus = 0; |
| try { |
| final CommandSession session = processor.createSession(in, new PrintStream(out), new PrintStream(err)); |
| for (Map.Entry<String, String> e : env.getEnv().entrySet()) { |
| session.put(e.getKey(), e.getValue()); |
| } |
| try { |
| String scriptFileName = System.getProperty(EXEC_INIT_SCRIPT); |
| if (scriptFileName == null) { |
| scriptFileName = System.getProperty(SHELL_INIT_SCRIPT); |
| } |
| executeScript(scriptFileName, session); |
| session.execute(command); |
| } catch (Throwable t) { |
| exitStatus = 1; |
| t.printStackTrace(); |
| } |
| } catch (Exception e) { |
| exitStatus = 1; |
| LOGGER.log(Level.SEVERE, "Unable to start shell", e); |
| } finally { |
| ShellFactoryImpl.close(in, out, err); |
| callback.onExit(exitStatus); |
| } |
| } |
| |
| public void destroy() { |
| } |
| |
| private void executeScript(String scriptFileName, CommandSession session) { |
| if (scriptFileName != null) { |
| File scriptFile = new File(scriptFileName); |
| try (Reader r = new InputStreamReader(new FileInputStream(scriptFile))) { |
| CharArrayWriter w = new CharArrayWriter(); |
| int n; |
| char[] buf = new char[8192]; |
| while ((n = r.read(buf)) > 0) { |
| w.write(buf, 0, n); |
| } |
| session.execute(new String(w.toCharArray())); |
| } catch (Exception e) { |
| LOGGER.log(Level.FINE, "Error in initialization script", e); |
| } |
| // Ignore |
| } |
| } |
| |
| } |