public String sendCommand(Session session, String Command) {
StringBuilder result = new StringBuilder();
try {
Channel channel = session.openChannel("exec");
((ChannelExec) channel).setCommand(Command);
InputStream in = channel.getInputStream();
channel.connect();
byte[] tmp = new byte[1024];
boolean allow = true;
while (allow) {
while (in.available() > 0) {
int i = in.read(tmp, 0, 1024);
if (i < 0) break;
result.append(new String(tmp, 0, i));
}
if (channel.isClosed()) {
if (in.available() > 0) continue;
System.out.println("exit-status: " + channel.getExitStatus());
break;
}
}
channel.disconnect();
return result.toString();
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
public static void main(String[] arg) throws JSchException, InterruptedException {
JSch jsch = new JSch();
String[] proxyInfo = queryUserAndHost("proxy server", arg.length > 0 ? arg[0] : null);
Session gateway = jsch.getSession(proxyInfo[0], proxyInfo[1]);
UserInfo ui = new SwingDialogUserInfo();
gateway.setUserInfo(ui);
gateway.connect();
String[] targetInfo = queryUserAndHost("target server", arg.length > 1 ? arg[1] : null);
Session session = jsch.getSession(targetInfo[0], targetInfo[1]);
session.setProxy(new ProxySSH(gateway));
session.setUserInfo(ui);
System.err.println("connecting session ...");
session.connect();
System.err.println("session connected.");
System.err.println("opening shell channel ...");
Channel channel = session.openChannel("shell");
channel.setOutputStream(System.out, true);
channel.setExtOutputStream(System.err, true);
channel.setInputStream(System.in, true);
channel.connect();
System.err.println("shell channel connected.");
do {
Thread.sleep(100);
} while (!channel.isEOF());
System.err.println("exitcode: " + channel.getExitStatus());
session.disconnect();
Thread.sleep(50);
gateway.disconnect();
}
public String runCommand(String params) {
try {
StringBuilder sb = new StringBuilder();
Channel channel = ConnectionManager.getSession().openChannel("exec");
channel.setInputStream(null);
channel.setOutputStream(System.out);
((ChannelExec) channel).setCommand(params);
((ChannelExec) channel).setPty(false);
channel.connect();
InputStream in = channel.getInputStream();
// byte[] tmp = new byte[1024];
while (true) {
InputStreamReader is = new InputStreamReader(in);
BufferedReader br = new BufferedReader(is);
String read = br.readLine();
while (read != null) {
System.out.println(read);
sb.append(read);
read = br.readLine();
}
if (channel.isClosed()) {
System.out.println(sb.toString());
System.out.println("exit-status:" + channel.getExitStatus());
break;
}
try {
Thread.sleep(1000);
} catch (Exception ee) {
}
}
channel.disconnect();
return sb.toString();
} catch (Exception e) {
e.printStackTrace();
return "empty";
}
}
public boolean exec(String command) {
execResponse = "";
if (!prepareChannel()) {
sessionCleanup();
return false;
}
// channel.setXForwarding(true);
// channel.setInputStream(System.in);
// channel.setOutputStream(System.out);
// FileOutputStream fos=new FileOutputStream("/tmp/stderr");
// ((ChannelExec)channel).setErrStream(fos);
// ((ChannelExec) channel).setErrStream(System.err);
if (!getStreams()) {
sessionCleanup();
return false;
}
if (command.equalsIgnoreCase(ADJUST_DATE)) {
command = getAdjustDateCommand();
}
setCommand(command);
if (!connectChannel()) {
channelCleanup();
sessionCleanup();
return false;
}
NeptusLog.pub().info("Date to set in vehicle '" + vehicleId + "': " + command);
try {
byte[] tmp = new byte[1024];
while (true) {
while (in.available() > 0) {
int i = in.read(tmp, 0, 1024);
if (i < 0) break;
String tmpStr = new String(tmp, 0, i);
execResponse += "\n" + tmpStr;
System.out.print(tmpStr);
}
if (channel.isClosed()) {
NeptusLog.pub().info("<###>exit-status: " + channel.getExitStatus());
exitStatus = channel.getExitStatus();
break;
}
try {
Thread.sleep(1000);
} catch (Exception ee) {
NeptusLog.pub().error(ee.getStackTrace());
}
}
} catch (IOException e) {
NeptusLog.pub().error(this + " :: Error reading from InputStream.", e);
execResponse += "\n :: Error reading from InputStream. " + e.getMessage();
channel.disconnect();
session.disconnect();
return false;
}
exitStatus = channel.getExitStatus();
channel.disconnect();
session.disconnect();
return (exitStatus == 0) ? true : false;
}
