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|
/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2017 Amdocs
* =============================================================================
* Licensed 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.
*
* ============LICENSE_END=========================================================
*/
package org.onap.appc.ccadaptor;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.ChannelShell;
import com.jcraft.jsch.ChannelSubsystem;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.SftpException;
import com.jcraft.jsch.UIKeyboardInteractive;
import com.jcraft.jsch.UserInfo;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.RandomAccessFile;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.StringTokenizer;
import java.util.concurrent.TimeUnit;
import javax.annotation.Nonnull;
import org.apache.commons.lang.StringUtils;
import org.onap.appc.i18n.Msg;
public class SshJcraftWrapper {
InputStream inputStream = null;
OutputStream outputStream = null;
DebugLog debugLog = new DebugLog();
private String debugLogFileName = "/tmp/sshJcraftWrapperDebug";
private TelnetListener listener = null;
private String routerLogFileName = null;
private String host = null;
private String RouterName = null;
private int BUFFER_SIZE = 512000;
char[] charBuffer = new char[BUFFER_SIZE];
// private int BUFFER_SIZE = 4000000;
private DataInputStream dis = null;
private BufferedReader reader = null;
private BufferedWriter out = null;
private File _tmpFile = null;
private JSch jsch = null;
private Session session = null;
private Channel channel = null;
private String tId = "";
private String aggregatedReceivedString = "";
private File extraDebugFile = new File("/tmp/sshJcraftWrapperDEBUG");
private String routerCmdType = "XML";
private String routerFileName = null;
private File jcraftReadSwConfigFileFromDisk = new File("/tmp/jcraftReadSwConfigFileFromDisk");
private String equipNameCode = null;
private String hostName = null;
private String userName = null;
private String passWord = null;
private StringBuffer charactersFromBufferFlush = new StringBuffer();
private Runtime runtime = Runtime.getRuntime();
private DebugLog dbLog = new DebugLog();
public void SshJcraftWrapper() {
String fn = "SshJcraftWrapper.SshJcraftWrapper";
debugLog.printRTAriDebug(fn, "SshJcraftWrapper has been instantated");
routerLogFileName = "/tmp/" + host;
this.host = host;
}
public void connect(String hostname, String username, String password, String prompt, int timeOut)
throws IOException {
String fn = "SshJcraftWrapper.connect";
jsch = new JSch();
debugLog.printRTAriDebug(fn,
"Attempting to connect to " + hostname + " username=" + username + " prompt='"
+ prompt + "' timeOut=" + timeOut);
debugLog.printRTAriDebug(fn, "Trace A");
RouterName = hostname;
hostName = hostname;
userName = username;
passWord = password;
try {
session = jsch.getSession(username, hostname, 22);
UserInfo ui = new MyUserInfo();
session.setPassword(password);
session.setUserInfo(ui);
session.connect(timeOut);
channel = session.openChannel("shell");
session.setServerAliveCountMax(
0); // If this is not set to '0', then socket timeout on all reads will not work!!!!
((ChannelShell) channel).setPtyType("vt102");
inputStream = channel.getInputStream();
dis = new DataInputStream(inputStream);
reader = new BufferedReader(new InputStreamReader(dis), BUFFER_SIZE);
channel.connect();
debugLog.printRTAriDebug(fn, "Successfully connected.");
debugLog.printRTAriDebug(fn, "Flushing input buffer");
try {
receiveUntil(prompt, 3000, "No cmd was sent, just waiting");
} catch (Exception e) {
debugLog.printRTAriDebug(fn, "Caught an Exception: Nothing to flush out.");
}
} catch (Exception e) {
debugLog.printRTAriDebug(fn, "Caught an Exception. e=" + e);
// dbLog.storeData("ErrorMsg= Exception trying to connect to "+hostname +" "+e);
throw new IOException(e.toString());
}
}
// User specifies the port number.
public void connect(String hostname, String username, String password, String prompt, int timeOut, int portNum)
throws IOException {
String fn = "SshJcraftWrapper.connect";
debugLog.printRTAriDebug(fn,
":Attempting to connect to " + hostname + " username=" + username + " prompt='"
+ prompt + "' timeOut=" + timeOut + " portNum=" + portNum);
RouterName = hostname;
hostName = hostname;
userName = username;
passWord = password;
RouterName = hostname;
jsch = new JSch();
try {
session = jsch.getSession(username, hostname, portNum);
UserInfo ui = new MyUserInfo();
session.setPassword(password);
session.setUserInfo(ui);
session.setConfig("StrictHostKeyChecking", "no");
debugLog.printRTAriDebug(fn, ":StrictHostKeyChecking set to 'no'");
session.connect(timeOut);
session.setServerAliveCountMax(
0); // If this is not set to '0', then socket timeout on all reads will not work!!!!
channel = session.openChannel("shell");
((ChannelShell) channel).setPtyType("vt102");
inputStream = channel.getInputStream();
dis = new DataInputStream(inputStream);
reader = new BufferedReader(new InputStreamReader(dis), BUFFER_SIZE);
channel.connect();
debugLog.printRTAriDebug(fn, ":Successfully connected.");
debugLog.printRTAriDebug(fn, ":Flushing input buffer");
try {
if (prompt.equals("]]>]]>")) {
receiveUntil("]]>]]>", 10000, "No cmd was sent, just waiting");
} else {
receiveUntil(":~#", 5000, "No cmd was sent, just waiting");
}
} catch (Exception e) {
debugLog.printRTAriDebug(fn, "Caught an Exception::: Nothing to flush out.");
}
} catch (Exception e) {
debugLog.printRTAriDebug(fn, ":Caught an Exception. e=" + e);
dbLog.outputStackTrace(e);
// dbLog.storeData("ErrorMsg= Exception trying to connect to "+hostname +" "+e);
throw new IOException(e.toString());
}
}
public String receiveUntil(String delimeters, int timeout, String cmdThatWasSent)
throws TimedOutException, IOException {
String fn = "SshJcraftWrapper.receiveUntil";
boolean match = false;
boolean cliPromptCmd = false;
StringBuffer sb2 = new StringBuffer();
StringBuffer sbReceive = new StringBuffer();
debugLog.printRTAriDebug(fn,
"delimeters='" + delimeters + "' timeout=" + timeout + " cmdThatWasSent='" + cmdThatWasSent + "'");
appendToFile(debugLogFileName,
fn + " delimeters='" + delimeters + "' timeout=" + timeout + " cmdThatWasSent='" + cmdThatWasSent + "'\n");
String CmdThatWasSent = removeWhiteSpaceAndNewLineCharactersAroundString(cmdThatWasSent);
int readCounts = 0;
aggregatedReceivedString = "";
FileWriter fileWriter = null;
long deadline = new Date().getTime() + timeout;
try {
session.setTimeout(timeout); // This is the socket timeout value.
while (!match) {
if (new Date().getTime() > deadline) {
debugLog.printRTAriDebug(fn,
"Throwing a TimedOutException: time in routine has exceed our deadline: RouterName:"
+ RouterName + " CmdThatWasSent=" + CmdThatWasSent);
throw new TimedOutException("Timeout: time in routine has exceed our deadline");
}
try {
Thread.sleep(500);
} catch (java.lang.InterruptedException ee) {
boolean ignore = true;
}
int len = reader.read(charBuffer, 0, BUFFER_SIZE);
appendToFile(debugLogFileName, fn + " After reader.read cmd: len=" + len + "\n");
if (len <= 0) {
debugLog.printRTAriDebug(fn,
"Reader read " + len + " bytes. Looks like we timed out, router=" + RouterName);
throw new TimedOutException("Received a SocketTimeoutException router=" + RouterName);
}
if (!cliPromptCmd) {
if (cmdThatWasSent.indexOf("IOS_XR_uploadedSwConfigCmd") != -1) {
if (out == null) {
// This is a IOS XR sw config file. We will write it to the disk.
timeout = timeout * 2;
deadline = new Date().getTime() + timeout;
debugLog.printRTAriDebug(fn, "IOS XR upload for software config: timeout=" + timeout);
StringTokenizer st = new StringTokenizer(cmdThatWasSent);
st.nextToken();
routerFileName = st.nextToken();
fileWriter = new FileWriter(routerFileName);
out = new BufferedWriter(fileWriter);
routerLogFileName = "/tmp/" + RouterName;
_tmpFile = new File(routerLogFileName);
debugLog.printRTAriDebug(fn,
"Will write the swConfigFile to disk, routerFileName=" + routerFileName);
}
int c;
out.write(charBuffer, 0, len);
out.flush();
appendToFile(debugLogFileName, fn + " Wrote " + len + " bytes to the disk\n");
if (_tmpFile.exists()) {
appendToRouterFile(routerLogFileName, len);
}
match = checkIfReceivedStringMatchesDelimeter(len, "\nXML>");
if (match == true) {
out.flush();
out.close();
out = null;
return null;
}
} else {
readCounts++;
appendToFile(debugLogFileName,
fn + " readCounts=" + readCounts + " Reader read " + len + " of data\n");
int c;
sb2.setLength(0);
for (int i = 0; i < len; i++) {
c = charBuffer[i];
if ((c != 7) && (c != 13) && (c != 0) && (c != 27)) {
sbReceive.append((char) charBuffer[i]);
sb2.append((char) charBuffer[i]);
}
}
appendToRouterFile("/tmp/" + RouterName, len);
if (listener != null) {
listener.receivedString(sb2.toString());
}
appendToFile(debugLogFileName, fn + " Trace 1\n");
match = checkIfReceivedStringMatchesDelimeter(delimeters, sb2.toString(), cmdThatWasSent);
appendToFile(debugLogFileName, fn + " Trace 2\n");
if (match == true) {
appendToFile(debugLogFileName, fn + " Match was true, breaking...\n");
break;
}
}
} else {
debugLog.printRTAriDebug(fn, "cliPromptCmd, Trace 2");
sb2.setLength(0);
for (int i = 0; i < len; i++) {
sbReceive.append((char) charBuffer[i]);
sb2.append((char) charBuffer[i]);
}
appendToRouterFile("/tmp/" + RouterName, sb2);
if (listener != null) {
listener.receivedString(sb2.toString());
}
debugLog.printRTAriDebug(fn, "sb2='" + sb2.toString() + "' delimeters='" + delimeters + "'");
if (sb2.toString().indexOf("\nariPrompt>") != -1) {
debugLog.printRTAriDebug(fn, "Found our prompt");
match = true;
break;
}
}
}
} catch (JSchException e) {
debugLog.printRTAriDebug(fn, "Caught an JSchException e=" + e.toString());
dbLog.outputStackTrace(e);
throw new TimedOutException(e.toString());
} catch (IOException ee) {
debugLog.printRTAriDebug(fn, "Caught an IOException: ee=" + ee.toString());
dbLog.outputStackTrace(ee);
throw new TimedOutException(ee.toString());
} finally {
try {
if (fileWriter != null) {
fileWriter.close();
}
} catch(IOException ex) {
debugLog.printRTAriDebug(fn, "Failed to close fileWriter output stream: ex=" + ex);
}
}
String result = stripOffCmdFromRouterResponse(sbReceive.toString());
debugLog.printRTAriDebug(fn, "Leaving method successfully");
return result;
}
public boolean checkIfReceivedStringMatchesDelimeter(String delimeters, String receivedString,
String cmdThatWasSent) {
// The delimeters are in a '|' seperated string. Return true on the first match.
String fn = "SshJcraftWrapper.checkIfReceivedStringMatchesDelimeter";
appendToFile(debugLogFileName,
fn + " Entered: delimeters='" + delimeters + " cmdThatWasSent='" + cmdThatWasSent + "' receivedString='"
+ receivedString + "'\n");
StringTokenizer st = new StringTokenizer(delimeters, "|");
if ((delimeters.indexOf("#$") != -1) || (routerCmdType.equals("CLI"))) // This would be an IOS XR, CLI command.
{
int x = receivedString.lastIndexOf("#");
int y = receivedString.length() - 1;
appendToFile(debugLogFileName, fn + " IOS XR, CLI command\n");
if (extraDebugFile.exists()) {
appendToFile(debugLogFileName,
fn + " :::cmdThatWasSent='" + cmdThatWasSent + "' x=" + x + " y=" + y + "\n");
}
return (x != -1) && (y == x);
}
if (cmdThatWasSent.indexOf("show config") != -1) {
appendToFile(debugLogFileName, fn + "In the block for 'show config'\n");
while (st.hasMoreTokens()) {
String delimeter = st.nextToken();
// Make sure we don't get faked out by a response of " #".
// Proc #0
// # signaling-local-address ipv6 FD00:F4D5:EA06:1::110:136:254
// LAAR2#
int x = receivedString.lastIndexOf(delimeter);
if ((receivedString.lastIndexOf(delimeter) != -1) && (receivedString.lastIndexOf(" #") != x - 1)) {
appendToFile(debugLogFileName, fn + "receivedString=\n'" + receivedString + "'\n");
appendToFile(debugLogFileName,
fn + "Returning true for the 'show config' command. We found our real delmeter. \n\n");
return (true);
}
}
} else {
aggregatedReceivedString = aggregatedReceivedString + receivedString;
_appendToFile("/tmp/aggregatedReceivedString.debug", aggregatedReceivedString);
while (st.hasMoreTokens()) {
String delimeter = st.nextToken();
appendToFile(debugLogFileName, fn + " Looking for an delimeter of:'" + delimeter + "'\n");
appendToFile(debugLogFileName, fn + " receivedString='" + receivedString);
if (aggregatedReceivedString.indexOf(delimeter) != -1) {
debugLog.printRTAriDebug(fn, "Found our delimeter, which was: '" + delimeter + "'");
aggregatedReceivedString = "";
return (true);
}
}
}
return (false);
}
public boolean checkIfReceivedStringMatchesDelimeter(int len, String delimeter) {
String fnName = "SshJcraftWrapper.checkIfReceivedStringMatchesDelimeter:::";
int x;
int c;
String str = StringUtils.EMPTY;
if (jcraftReadSwConfigFileFromDisk()) {
DebugLog.printAriDebug(fnName, "jcraftReadSwConfigFileFromDisk block");
File fileName = new File(routerFileName);
appendToFile(debugLogFileName,
fnName + " jcraftReadSwConfigFileFromDisk::: Will read the tail end of the file from the disk");
try {
str = getLastFewLinesOfFile(fileName, 3);
} catch (IOException e) {
DebugLog.printAriDebug(fnName, "Caught an Exception, e=" + e);
dbLog.outputStackTrace(e);
e.printStackTrace();
}
} else {
// DebugLog.printAriDebug(fnName, "TRACE 1: ******************************");
// When looking at the end of the charBuffer, don't include any linefeeds or spaces. We only want to make the smallest string possible.
for (x = len - 1; x >= 0; x--) {
c = charBuffer[x];
if (extraDebugFile.exists()) {
appendToFile(debugLogFileName, fnName + " x=" + x + " c=" + c + "\n");
}
if ((c != 10) && (c != 32)) // Not a line feed nor a space.
{
break;
}
}
if ((x + 1 - 13) >= 0) {
str = new String(charBuffer, (x + 1 - 13), 13);
appendToFile(debugLogFileName, fnName + " str:'" + str + "'\n");
} else {
File fileName = new File(routerFileName);
appendToFile(debugLogFileName,
fnName + " Will read the tail end of the file from the disk, x=" + x + " len=" + len + " str::'"
+ str + "' routerFileName='" + routerFileName + "'\n");
DebugLog.printAriDebug(fnName,
"Will read the tail end of the file from the disk, x=" + x + " len=" + len + " str::'" + str
+ "' routerFileName='" + routerFileName + "'");
try {
str = getLastFewLinesOfFile(fileName, 3);
} catch (IOException e) {
DebugLog.printAriDebug(fnName, "Caught an Exception, e=" + e);
dbLog.outputStackTrace(e);
e.printStackTrace();
}
}
}
if (str.indexOf(delimeter) != -1) {
DebugLog.printAriDebug(fnName, "str in break is:'" + str + "'" + " delimeter='" + delimeter + "'");
appendToFile(debugLogFileName,
fnName + " str in break is:'" + str + " delimeter='" + delimeter + "'" + "'\n");
return (true);
} else {
appendToFile(debugLogFileName, fnName + " Returning false");
return (false);
}
}
public void closeConnection() {
String fn = "SshJcraftWrapper.closeConnection";
debugLog.printRTAriDebug(fn, "Executing the closeConnection....");
inputStream = null;
outputStream = null;
dis = null;
charBuffer = null;
session.disconnect();
session = null;
}
public void send(String cmd) throws IOException {
String fn = "SshJcraftWrapper.send";
OutputStream out = channel.getOutputStream();
DataOutputStream dos = new DataOutputStream(out);
if ((cmd.charAt(cmd.length() - 1) != '\n') && (cmd.charAt(cmd.length() - 1) != '\r')) {
cmd += "\n";
}
int length = cmd.length();
int i = -1;
int nchars = 300000;
int ncharsTotalSent = 0;
int ncharsSent = 0;
appendToFile(debugLogFileName, fn + ": Sending: '" + cmd);
// debugLog.printRTAriDebug (fn, "cmd = "+cmd);
debugLog.printRTAriDebug(fn, "Length of cmd is:" + length); // 2,937,706
try {
if (length > 600000) {
int timeout = 9000;
for (i = 0; i < length; i += nchars) {
String Cmd = cmd.substring(i, Math.min(length, i + nchars));
ncharsSent = Cmd.length();
ncharsTotalSent = ncharsTotalSent + Cmd.length();
debugLog.printRTAriDebug(fn, "i=" + i + " Sending Cmd: ncharsSent=" + ncharsSent);
dos.writeBytes(Cmd);
dos.flush();
try {
debugLog.printRTAriDebug(fn, ":::i=" + i + " length=" + length);
if (ncharsSent < length) {
receiveUntilBufferFlush(ncharsSent, timeout, "buffer flush i=" + i);
} else {
debugLog.printRTAriDebug(fn, "i=" + i + " No Waiting this time....");
dos.flush();
}
} catch (Exception e) {
debugLog.printRTAriDebug(fn, "Caught an Exception: Nothing to flush out.");
}
}
} else {
debugLog.printRTAriDebug(fn, "Before executing the dos.writeBytes");
dos.writeBytes(cmd);
}
dos.flush();
debugLog.printRTAriDebug(fn, "Leaving method");
appendToFile(debugLogFileName, fn + ": Leaving method\n");
} catch (IOException e) {
debugLog.printRTAriDebug(fn, "Caught an IOException. e=" + e);
dbLog.outputStackTrace(e);
throw new IOException(e.toString());
}
}
public void sendChar(int v) throws IOException {
String fn = "SshJcraftWrapper.sendChar";
OutputStream out = channel.getOutputStream();
DataOutputStream dos = new DataOutputStream(out);
try {
debugLog.printRTAriDebug(fn, "Sending: '" + v + "'");
dos.writeChar(v);
dos.flush();
} catch (IOException e) {
debugLog.printRTAriDebug(fn, "Caught an IOException. e=" + e);
throw new IOException(e.toString());
}
}
public void send(byte[] b, int off, int len) throws IOException {
String fn = "SshJcraftWrapper.send:byte[]";
OutputStream out = channel.getOutputStream();
DataOutputStream dos = new DataOutputStream(out);
try {
dos.write(b, off, len);
dos.flush();
} catch (IOException e) {
debugLog.printRTAriDebug(fn, "Caught an IOException. e=" + e);
throw new IOException(e.toString());
}
}
public static class MyUserInfo implements UserInfo, UIKeyboardInteractive {
public String getPassword() {
return null;
}
public boolean promptYesNo(String str) {
return false;
}
public String getPassphrase() {
return null;
}
public boolean promptPassphrase(String message) {
return false;
}
public boolean promptPassword(String message) {
return false;
}
public void showMessage(String message) {
}
public String[] promptKeyboardInteractive(String destination,
String name,
String instruction,
String[] prompt,
boolean[] echo) {
return null;
}
}
public void addListener(TelnetListener listener) {
this.listener = listener;
}
public void appendToFile(String fileName, String dataToWrite) {
String fn = "SshJcraftWrapper.appendToFile";
try {
// First check to see if a file 'fileName' exist, if it does
// write to it. If it does not exist, don't write to it.
File tmpFile = new File(fileName);
if (tmpFile.exists()) {
BufferedWriter out = new BufferedWriter(new FileWriter(fileName, true));
// out.write(dataToWrite);
// out.write(getTheDate() +": " +Thread.currentThread().getName() +": "+dataToWrite);
out.write(getTheDate() + ": " + tId + ": " + dataToWrite);
out.close();
}
} catch (IOException e) {
debugLog.printRTAriDebug(fn, "Caught an IOException: e=" + e);
} catch (Exception e) {
debugLog.printRTAriDebug(fn, "Caught an Exception: e=" + e);
}
}
public void _appendToFile(String fileName, String dataToWrite) {
String fn = "SshJcraftWrapper.appendToFile";
try {
// First check to see if a file 'fileName' exist, if it does
// write to it. If it does not exist, don't write to it.
File tmpFile = new File(fileName);
if (tmpFile.exists()) {
BufferedWriter out = new BufferedWriter(new FileWriter(fileName, true));
out.write(dataToWrite);
out.close();
}
} catch (IOException e) {
debugLog.printRTAriDebug(fn, "Caught an IOException: e=" + e);
} catch (Exception e) {
debugLog.printRTAriDebug(fn, "Caught an Exception: e=" + e);
}
}
public String getTheDate() {
Calendar cal = Calendar.getInstance();
java.util.Date today = cal.getTime();
DateFormat df1 = DateFormat.getDateInstance();
DateFormat df3 = new SimpleDateFormat("MM/dd/yyyy H:mm:ss ");
return (df3.format(today));
}
public void appendToRouterFile(String fileName, StringBuffer dataToWrite) {
String fnName = "SshJcraftWrapper.appendToRouterFile";
debugLog.printRTAriDebug(fnName, "Entered.... ");
try {
// First check to see if a file 'fileName' exist, if it does
// write to it. If it does not exist, don't write to it.
File tmpFile = new File(fileName);
{
// if ((tmpFile.exists()) && (tmpFile.setWritable(true, true)))
if (tmpFile.exists()) {
BufferedWriter out = new BufferedWriter(new FileWriter(fileName, true));
// out.write("<!-- "+getTheDate() +": " +tId +" -->\n");
out.write(dataToWrite.toString());
out.close();
}
}
} catch (IOException e) {
System.err.println("writeToFile() exception: " + e);
e.printStackTrace();
}
}
public void appendToRouterFile(String fileName, int len) {
String fnName = "SshJcraftWrapper.appendToFile";
// debugLog.printRTAriDebug (fnName, "Entered.... len="+len);
try {
// First check to see if a file 'fileName' exist, if it does
// write to it. If it does not exist, don't write to it.
File tmpFile = new File(fileName);
// if ((tmpFile.exists()) && (tmpFile.setWritable(true, true)))
if (tmpFile.exists()) {
BufferedWriter out = new BufferedWriter(new FileWriter(fileName, true));
// out.write("<!-- "+getTheDate() +": " +tId +" -->\n");
out.write(charBuffer, 0, len);
out.close();
}
} catch (IOException e) {
System.err.println("writeToFile() exception: " + e);
e.printStackTrace();
}
}
public String removeWhiteSpaceAndNewLineCharactersAroundString(String str) {
if (str != null) {
StringTokenizer strTok = new StringTokenizer(str, "\n");
StringBuffer sb = new StringBuffer();
while (strTok.hasMoreTokens()) {
String line = strTok.nextToken();
sb.append(line);
}
return (sb.toString().trim());
} else {
return (str);
}
}
public String stripOffCmdFromRouterResponse(String routerResponse) {
String fn = "SshJcraftWrapper.stripOffCmdFromRouterResponse";
// appendToFile(debugLogFileName, fn+": routerResponse='"+routerResponse +"'\n");
// The session of SSH will echo the command sent to the router, in the router's response.
// Since all our commands are terminated by a '\n', strip off the first line
// of the response from the router. This first line contains the orginal command.
StringTokenizer rr = new StringTokenizer(routerResponse, "\n");
StringBuffer sb = new StringBuffer();
int numTokens = rr.countTokens();
// debugLog.printRTAriDebug (fn, "Number of lines in the response from the router is:" +numTokens);
if (numTokens > 1) {
rr.nextToken(); //Skip the first line.
while (rr.hasMoreTokens()) {
sb.append(rr.nextToken() + '\n');
}
}
return (sb.toString());
}
public void setRouterCommandType(String type) {
String fn = "SshJcraftWrapper.setRouterCommandType";
this.routerCmdType = type;
debugLog.printRTAriDebug(fn, "Setting routerCmdType to a value of '" + type + "'");
}
public String getLastFewLinesOfFile(File file, int linesToRead) throws IOException {
String fn = "SshJcraftWrapper.getLastFewLinesOfFile";
RandomAccessFile randomAccessFile = new RandomAccessFile(file, "r");
int lines = 0;
StringBuilder builder = new StringBuilder();
String tail = "";
long length = file.length();
length--;
randomAccessFile.seek(length);
for (long seek = length; seek >= 0; --seek) {
randomAccessFile.seek(seek);
char c = (char) randomAccessFile.read();
builder.append(c);
if (c == '\n') {
builder = builder.reverse();
// System.out.println(builder.toString());
tail = builder.toString() + tail;
lines++;
builder.setLength(0);
if (lines == linesToRead) {
break;
}
}
}
randomAccessFile.close();
if (!jcraftReadSwConfigFileFromDisk()) {
debugLog.printRTAriDebug(fn, "tail='" + tail + "'");
}
appendToFile(debugLogFileName, "tail='" + tail + "'\n");
return tail;
}
public boolean jcraftReadSwConfigFileFromDisk() {
if (jcraftReadSwConfigFileFromDisk.exists()) {
return (true);
} else {
return (false);
}
}
public String getEquipNameCode() {
return (equipNameCode);
}
public void setEquipNameCode(String equipNameCode) {
this.equipNameCode = equipNameCode;
}
public String getRouterName() {
return (RouterName);
}
// Routine does reads until it has read 'nchars' or times out.
public void receiveUntilBufferFlush(int ncharsSent, int timeout, String message)
throws TimedOutException, IOException {
String fn = "SshJcraftWrapper.receiveUntilBufferFlush";
StringBuffer sb2 = new StringBuffer();
StringBuffer sbReceive = new StringBuffer();
debugLog.printRTAriDebug(fn, "ncharsSent=" + ncharsSent + " timeout=" + timeout + " " + message);
int ncharsTotalReceived = 0;
int ncharsRead = 0;
boolean flag = false;
charactersFromBufferFlush.setLength(0);
long deadline = new Date().getTime() + timeout;
logMemoryUsage();
try {
session.setTimeout(timeout); // This is the socket timeout value.
while (true) {
if (new Date().getTime() > deadline) {
debugLog.printRTAriDebug(fn,
"Throwing a TimedOutException: time in routine has exceed our deadline: ncharsSent="
+ ncharsSent + " ncharsTotalReceived=" + ncharsTotalReceived);
flag = true;
throw new TimedOutException("Timeout: time in routine has exceed our deadline");
}
ncharsRead = reader.read(charBuffer, 0, BUFFER_SIZE);
if (listener != null) {
listener.receivedString(String.copyValueOf(charBuffer, 0, ncharsRead));
}
appendToRouterFile("/tmp/" + RouterName, ncharsRead);
ncharsTotalReceived = ncharsTotalReceived + ncharsRead;
// debugLog.printRTAriDebug (fn, "::ncharsSent="+ncharsSent+" ncharsTotalReceived="+ncharsTotalReceived +" ncharsRead="+ncharsRead);
if (ncharsTotalReceived >= ncharsSent) {
debugLog.printRTAriDebug(fn,
"Received the correct number of characters, ncharsSent=" + ncharsSent + " ncharsTotalReceived="
+ ncharsTotalReceived);
logMemoryUsage();
return;
}
}
} catch (JSchException e) {
debugLog.printRTAriDebug(fn, "Caught an JSchException e=" + e);
debugLog.printRTAriDebug(fn,
"ncharsSent=" + ncharsSent + " ncharsTotalReceived=" + ncharsTotalReceived + " ncharsRead="
+ ncharsRead);
throw new TimedOutException(e.toString());
}
}
public String getHostName() {
return (hostName);
}
public String getUserName() {
return (userName);
}
public String getPassWord() {
return (passWord);
}
public void sftpPut(String sourcePath, String destDirectory) throws IOException {
String fn = "SshJcraftWrapper.sftp";
try {
Session sftpSession = jsch.getSession(userName, hostName, 22);
UserInfo ui = new MyUserInfo();
sftpSession.setPassword(passWord);
sftpSession.setUserInfo(ui);
sftpSession.connect(30 * 1000);
debugLog.printRTAriDebug(fn, "Opening up an sftp channel....");
ChannelSftp sftp = (ChannelSftp) sftpSession.openChannel("sftp");
debugLog.printRTAriDebug(fn, "Connecting....");
sftp.connect();
debugLog.printRTAriDebug(fn, "Sending " + sourcePath + " --> " + destDirectory);
sftp.put(sourcePath, destDirectory, ChannelSftp.OVERWRITE);
debugLog.printRTAriDebug(fn, "Sent successfully");
sftpSession.disconnect();
} catch (Exception e) {
debugLog.printRTAriDebug(fn, "Caught an Exception, e=" + e);
// dbLog.storeData("ErrorMsg= sftp threw an Exception. error is:"+e);
throw new IOException(e.toString());
}
}
public void SftpPut(String stringOfData, String fullPathDest) throws IOException {
String fn = "SshJcraftWrapper.Sftp";
try {
Session sftpSession = jsch.getSession(userName, hostName, 22);
UserInfo ui = new MyUserInfo();
sftpSession.setPassword(passWord);
sftpSession.setUserInfo(ui);
sftpSession.connect(30 * 1000);
debugLog.printRTAriDebug(fn, "Opening up an sftp channel....");
ChannelSftp sftp = (ChannelSftp) sftpSession.openChannel("sftp");
debugLog.printRTAriDebug(fn, "Connecting....");
sftp.connect();
InputStream is = new ByteArrayInputStream(stringOfData.getBytes());
debugLog.printRTAriDebug(fn, "Sending stringOfData --> " + fullPathDest);
sftp.put(is, fullPathDest, ChannelSftp.OVERWRITE);
debugLog.printRTAriDebug(fn, "Sent successfully");
sftpSession.disconnect();
} catch (Exception e) {
debugLog.printRTAriDebug(fn, "Caught an Exception, e=" + e);
// dbLog.storeData("ErrorMsg= sftp threw an Exception. error is:"+e);
throw new IOException(e.toString());
}
}
public String sftpGet(String fullFilePathName) throws IOException {
String fn = "SshJcraftWrapper.Sftp";
try {
Session sftpSession = jsch.getSession(userName, hostName, 22);
UserInfo ui = new MyUserInfo();
sftpSession.setPassword(passWord);
sftpSession.setUserInfo(ui);
sftpSession.connect(30 * 1000);
debugLog.printRTAriDebug(fn, "Opening up an sftp channel....");
ChannelSftp sftp = (ChannelSftp) sftpSession.openChannel("sftp");
debugLog.printRTAriDebug(fn, "Connecting....");
sftp.connect();
InputStream in = null;
in = sftp.get(fullFilePathName);
String sftpFileString = readInputStreamAsString(in);
debugLog.printRTAriDebug(fn, "Retreived successfully");
// debugLog.printRTAriDebug (fn, "sftpFileString="+sftpFileString);
sftpSession.disconnect();
return (sftpFileString);
} catch (Exception e) {
debugLog.printRTAriDebug(fn, "Caught an Exception, e=" + e);
// dbLog.storeData("ErrorMsg= sftp threw an Exception. error is:"+e);
throw new IOException(e.toString());
}
}
public static String readInputStreamAsString(InputStream in) throws IOException {
BufferedInputStream bis = new BufferedInputStream(in);
ByteArrayOutputStream buf = new ByteArrayOutputStream();
int result = bis.read();
while (result != -1) {
byte b = (byte) result;
buf.write(b);
result = bis.read();
}
return buf.toString();
}
public void logMemoryUsage() {
String fn = "SshJcraftWrapper.logMemoryUsage";
int mb = 1024 * 1024;
long usedMemory;
long maxMemoryAdvailable;
long memoryLetfOnHeap;
maxMemoryAdvailable = (runtime.maxMemory() / mb);
usedMemory = ((runtime.totalMemory() / mb) - (runtime.freeMemory() / mb));
memoryLetfOnHeap = maxMemoryAdvailable - usedMemory;
DebugLog.printAriDebug(fn,
"maxMemoryAdvailable=" + maxMemoryAdvailable + " usedMemory=" + usedMemory + " memoryLetfOnHeap="
+ memoryLetfOnHeap);
}
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// User specifies the port number, and the subsystem
public void connect(String hostname, String username, String password, String prompt, int timeOut, int portNum,
String subsystem) throws IOException {
String fn = "SshJcraftWrapper.connect";
debugLog.printRTAriDebug(fn,
":::Attempting to connect to " + hostname + " username=" + username + " prompt='"
+ prompt + "' timeOut=" + timeOut + " portNum=" + portNum + " subsystem=" + subsystem);
RouterName = hostname;
jsch = new JSch();
try {
session = jsch.getSession(username, hostname, portNum);
UserInfo ui = new MyUserInfo();
session.setPassword(password);
session.setUserInfo(ui);
session.setConfig("StrictHostKeyChecking", "no");
session.connect(timeOut);
session.setServerAliveCountMax(
0); // If this is not set to '0', then socket timeout on all reads will not work!!!!
channel = session.openChannel("subsystem");
((ChannelSubsystem) channel).setSubsystem(subsystem);
// ((ChannelSubsystem)channel).setPtyType("vt102");
((ChannelSubsystem) channel).setPty(true);
inputStream = channel.getInputStream();
dis = new DataInputStream(inputStream);
reader = new BufferedReader(new InputStreamReader(dis), BUFFER_SIZE);
channel.connect();
debugLog.printRTAriDebug(fn, "Successfully connected.");
debugLog.printRTAriDebug(fn, "Five second sleep....");
try {
Thread.sleep(5000);
} catch (java.lang.InterruptedException ee) {
boolean ignore = true;
}
} catch (Exception e) {
debugLog.printRTAriDebug(fn, "Caught an Exception. e=" + e);
throw new IOException(e.toString());
}
}
public void connect(String hostName, String username, String password, int portNumber) throws IOException {
String fn = "SshJcraftWrapper.connect";
jsch = new JSch();
debugLog.printRTAriDebug(fn,
"::Attempting to connect to " + hostName + " username=" + username + " portNumber=" + portNumber);
debugLog.printRTAriDebug(fn, "Trace C");
RouterName = hostName;
this.hostName = hostName;
userName = username;
passWord = password;
try {
java.util.Properties config = new java.util.Properties();
config.put("StrictHostKeyChecking", "no");
session = jsch.getSession(username, hostName, 22);
// session = jsch.getSession(username, hostName, portNumber);
UserInfo ui = new MyUserInfo();
session.setConfig(config);
session.setPassword(password);
session.setUserInfo(ui);
session.connect(30000);
channel = session.openChannel("shell");
session.setServerAliveCountMax(
0); // If this is not set to '0', then socket timeout on all reads will not work!!!!
((ChannelShell) channel).setPtyType("vt102");
inputStream = channel.getInputStream();
dis = new DataInputStream(inputStream);
reader = new BufferedReader(new InputStreamReader(dis), BUFFER_SIZE);
channel.connect();
debugLog.printRTAriDebug(fn, "::Successfully connected.");
debugLog.printRTAriDebug(fn, "::Flushing input buffer");
try {
receiveUntil(":~#", 9000, "No cmd was sent, just waiting, but we can stop on a '~#'");
} catch (Exception e) {
debugLog.printRTAriDebug(fn, "Caught an Exception::: Nothing to flush out.");
}
} catch (Exception e) {
debugLog.printRTAriDebug(fn, "Caught an Exception. e=" + e);
// dbLog.storeData("ErrorMsg= Exception trying to connect to "+hostName +" "+e);
throw new IOException(e.toString());
}
}
public void put(String sourcePath, String destDirectory) throws IOException {
String fn = "SshJcraftWrapper.sftp";
try {
Session sftpSession = jsch.getSession(userName, hostName, 22);
UserInfo ui = new MyUserInfo();
sftpSession.setPassword(passWord);
sftpSession.setUserInfo(ui);
sftpSession.connect(30 * 1000);
debugLog.printRTAriDebug(fn, "Opening up an sftp channel....");
ChannelSftp sftp = (ChannelSftp) sftpSession.openChannel("sftp");
debugLog.printRTAriDebug(fn, "Connecting....");
sftp.connect();
debugLog.printRTAriDebug(fn, "Sending " + sourcePath + " --> " + destDirectory);
sftp.put(sourcePath, destDirectory, ChannelSftp.OVERWRITE);
debugLog.printRTAriDebug(fn, "Sent successfully");
sftpSession.disconnect();
} catch (Exception e) {
debugLog.printRTAriDebug(fn, "Caught an Exception, e=" + e);
// dbLog.storeData("ErrorMsg= sftp threw an Exception. error is:"+e);
throw new IOException(e.toString());
}
}
public void put(InputStream is, String fullPathDest, String hostName, String userName, String passWord)
throws IOException {
String fn = "SshJcraftWrapper.put";
Session sftpSession = null;
try {
debugLog.printRTAriDebug(fn, "userName=" + userName + " hostName=" + hostName);
jsch = new JSch();
java.util.Properties config = new java.util.Properties();
config.put("StrictHostKeyChecking", "no");
sftpSession = jsch.getSession(userName, hostName, 22);
UserInfo ui = new MyUserInfo();
sftpSession.setPassword(passWord);
sftpSession.setUserInfo(ui);
sftpSession.setConfig(config);
sftpSession.connect(30 * 1000);
debugLog.printRTAriDebug(fn, "Opening up an sftp channel....");
ChannelSftp sftp = (ChannelSftp) sftpSession.openChannel("sftp");
debugLog.printRTAriDebug(fn, "Connecting....");
sftp.connect();
String oldFiles = fullPathDest + "*";
debugLog.printRTAriDebug(fn, "Deleting old files --> " + oldFiles);
try {
sftp.rm(oldFiles);
debugLog.printRTAriDebug(fn, "Sending stringOfData --> " + fullPathDest);
} catch (SftpException sft) {
String exp = "No such file";
if (sft.getMessage() != null && sft.getMessage().contains(exp)) {
debugLog.printRTAriDebug(fn, "No files found -- Continue");
} else {
debugLog.printRTAriDebug(fn, "Exception while sftp.rm " + sft.getMessage());
sft.printStackTrace();
throw sft;
}
}
sftp.put(is, fullPathDest, ChannelSftp.OVERWRITE);
debugLog.printRTAriDebug(fn, "Sent successfully");
} catch (Exception e) {
debugLog.printRTAriDebug(fn, "Caught an Exception, e=" + e);
throw new IOException(e.toString());
} finally {
if(sftpSession != null) {
sftpSession.disconnect();
}
}
}
public String get(String fullFilePathName, String hostName, String userName, String passWord) throws IOException {
String fn = "SshJcraftWrapper.get";
Session sftpSession = null;
try {
debugLog.printRTAriDebug(fn, "userName=" + userName + " hostName=" + hostName);
jsch = new JSch();
sftpSession = jsch.getSession(userName, hostName, 22);
java.util.Properties config = new java.util.Properties();
config.put("StrictHostKeyChecking", "no");
UserInfo ui = new MyUserInfo();
sftpSession.setPassword(passWord);
sftpSession.setUserInfo(ui);
sftpSession.setConfig(config);
sftpSession.connect(30 * 1000);
debugLog.printRTAriDebug(fn, "Opening up an sftp channel....");
ChannelSftp sftp = (ChannelSftp) sftpSession.openChannel("sftp");
debugLog.printRTAriDebug(fn, "Connecting....");
sftp.connect();
InputStream in = sftp.get(fullFilePathName);
String sftpFileString = readInputStreamAsString(in);
debugLog.printRTAriDebug(fn, "Retreived successfully");
return sftpFileString;
} catch (Exception e) {
debugLog.printRTAriDebug(fn, "Caught an Exception, e=" + e);
throw new IOException(e.toString());
} finally {
if(sftpSession != null) {
sftpSession.disconnect();
}
}
}
public String send(String cmd, String delimiter) throws IOException {
String fn = "SshJcraftWrapper.send";
OutputStream out = channel.getOutputStream();
DataOutputStream dos = new DataOutputStream(out);
if ((cmd.charAt(cmd.length() - 1) != '\n') && (cmd.charAt(cmd.length() - 1) != '\r')) {
cmd += "\n";
}
int length = cmd.length();
int i = -1;
int nchars = 300000;
int ncharsTotalSent = 0;
int ncharsSent = 0;
debugLog.printRTAriDebug(fn, "Length of cmd is:" + length); // 2,937,706
debugLog.printRTAriDebug(fn, "Length of cmd is:" + length); // 2,937,706
try {
if (length > 600000) {
int timeout = 9000;
for (i = 0; i < length; i += nchars) {
String Cmd = cmd.substring(i, Math.min(length, i + nchars));
ncharsSent = Cmd.length();
ncharsTotalSent = ncharsTotalSent + Cmd.length();
debugLog.printRTAriDebug(fn, "i=" + i + " Sending Cmd: ncharsSent=" + ncharsSent);
dos.writeBytes(Cmd);
dos.flush();
try {
debugLog.printRTAriDebug(fn, ":::i=" + i + " length=" + length);
if (ncharsSent < length) {
receiveUntilBufferFlush(ncharsSent, timeout, "buffer flush i=" + i);
} else {
debugLog.printRTAriDebug(fn, "i=" + i + " No Waiting this time....");
dos.flush();
}
} catch (Exception e) {
debugLog.printRTAriDebug(fn, "Caught an Exception: Nothing to flush out.");
}
}
} else {
debugLog.printRTAriDebug(fn, "Before executing the dos.writeBytes");
dos.writeBytes(cmd);
}
dos.flush();
// Now lets get the response.
String response = receiveUntil(delimiter, 300000, cmd);
debugLog.printRTAriDebug(fn, "Leaving method");
return (response);
} catch (IOException e) {
debugLog.printRTAriDebug(fn, "Caught an IOException. e=" + e);
throw new IOException(e.toString());
}
}
}
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