Strange repeating strings in multiple files possible virus?

A few months ago when I ran netstat I noticed about 10 TCP ports that said: Local Address [::]:5000, Foreign Address [::]:0, all were just listening. I ran the netstat with -noa to get the PIDs and resolved the issue, but when I started digging around in
some files I started to notice something weird.
In probably around 100 files there are these repeating strings. A few of them are: @VWATAVH, WATAUH, SUVWH, @UATAUAVAWH, SVWATH, @SUVWATAUAVAWH...
I use a program called Bintext that lets me see all of the strings inside a file. After seeing these strings repeatedly I realized that I have some kind of trojan/virus/keylogger/whatever. I have found these same strings in files going back to 2010 up until
the most recent around a week ago.
I finally did a comparison tonight of the file ntdll.dll and I was shocked at the difference of the two files. I downloaded another copy of ntdll.dll from dll files.com. The original file from my computer is 1.23MB and version 6.1.7601.17725. The other file
which hasn't been changed is 1.65MB and version 6.1.7601.17725, the exact same version as the one I already had.I
I used the program bintext to make text files of the two files, then I used the website diffchecker.com to compare the two files. Check it out: https://www.diffchecker.com/dl8jqoye (I couldn't do a link until my account is verified)
Some of the other files that are suspect are: comct32dll, crypt32dll, exe_94123cfe, iwrapexe, unsexe, Riconman, ntdll, and so many others I ran across before I started keeping track. Most of the files that contain these weird strings also reference a small
group of other files as well: wbemcomn.dll, ntdll.dll, msvcrt.dll, KERNEL32.DLL, RPCRT4.dll, USER32.DLL, advapi32.dll, and unsecapp.dll.
I have tried MANY malware and virus programs, I had norton installed on all of my machines since I bought them, and nothing can detect anything. So at this point I don't know if I am out of my mind or if there is some kind of crazy ass mega trojan living
on my laptop.
I also found a file at one point that had code for flashing my eeprom which vanished off my computer the next day. I have no idea where to go from here but to get a new computer.
Yesterday a file called TCPSVCS.EXE started making ports 7, 9, 13, 17 and 19 on both TCP and UDP. It doesn't contain any of the weird strings but it makes reference to ntdll.dll, msvcrt.dll, KERNEL32.DLL, RPCRT4.dll, USER32.DLL, and advapi32.dll.
There are also around 30 local TIME_WAIT connections starting at TCP port 51548 and then going higher which are being created by the system idle process.
So am I out of my mind and all of this is normal or has something infected my computer? I get the feeling someone has been logging in remotely but for the most part nothing bad has happened to the computer so I have no idea.
Thanks for any help!

Do you have a restore point ?
Arnav Sharma | http://arnavsharma.net/ Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading
the thread.

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Goal:
Do a virus scan of the uploaded file from APEX application prior to storing the file in custom tables.
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Followed the document from www.developer.com:
Implementing an Anti-Virus File Scan in JEE Applications
By Vlad Kofman
Go to page: 1 2 3 Next
This article will discuss one of the ways to implement antivirus file scanning in Java, particular in the JEE applications. Viruses, Trojan Horses, and different malware and spyware are a real problem for current computer environments, and especially for the Windows operating system. If you are designing any application in Java that has a requirement to be able to upload external files, you have a potential security risk. By uploading, I mean any way to get the external file inside of the corporate firewall be it via HTTP protocol or any other means. It is quite common to have this type of requirement in an enterprise application and with Java being one of the most popular web development platforms, it is unfortunate that this type of gaping security risk is quite often overlooked.
Java's Development Kit (JDK) does not have any means to do the antivirus scan right out of the box. This is primarily because Java is a programming language, and does not have any virus scanning packages. Furthermore, anti-virus software is not Sun's area of expertise or business model. Developing this type of software (or Java package), and more importantly maintaining it, would be a huge task for Sun. Mainly because viruses are constantly evolving and keeping virus definitions up-to-date is a daunting task. Large companies such as McAffee, Symantec, or Zone Labs develop virus detecting and combating products and spend a lot of resources to maintain them.
Application Environment
To implement a virus file scan in Java, a third-party package needs to be used. For the purposes of this article, I will use Symantec Scan Engine (SSE) package, which comes with Java APIs. This package is an application that serves as a TCP/IP server and has a programming interface and enables Java applications to incorporate support for content scanning technologies. For this article, I used Symantec Scan Engine 5.1, which is available as a Unix or Windows install.
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The architecture is as follows: A server machine needs to have SSE running at all times. This can be the same machine that hosts your Application Server, but in an enterprise environment this should be a different machine. The Default Port needs to be open through the firewall to allow communication with the scan engine. All JEE applications that need to do file scanning can talk to the SSE server machine through a default port. Also, multiple applications running on different application servers can re-use the same scanning server. For more information, you should refer to the Symantec Scan Engine (SSE) Installation Guide, available on the Symantec web site.
When an external file that needs to be scanned is sent to the SSE via its programming interface (Java APIs using the default port), before any other operation on the file is performed, the SSE returns a result code. For instance, a file is uploaded by an external user into the web email type application as an attachment; then, the SSE API is invoked by the application and the return code of pass or fail determines the outcome of the upload and whether that email can actually be sent. If you have an account on Yahoo mail, you probably have seen that Yahoo is using Norton Antivirus to scan all attachments, although no Java.
Click here for a larger image.
Figure 1: Screen shot from Yahoo
For details on the Scan Engine Server Installationm please see the Symantec Scan Engine (SSE) Implementation Guide from Symantec.
Here are some key things to remember about SSE:
• Java 2 SE Runtime (JRE) 5.0 Update 6.0 or later must be installed on the server before the SSE installation is done.
• After installation, verify that the Symantec Scan Engine daemon is running. At the Unix command prompt (if it's a Unix install), type the following command:
ps –ea | grep sym.
A list of processes similar to the following should appear:
o 5358 ? 0:00 symscan
o 5359 ? 0:00 symscan
If nothing is displayed the SSE process did not start.
If the SSE process did not start, type the following command to restart SSE:
/etc/init.d/symscan restart
• Keeping the virus definition up to date is the most important task and if new updates are not installed, the whole scan becomes ineffective. Symantec automatically downloads the most current file definitions through LiveUpdate. Please make sure that firewall rules are in place to allow the host server to connect to the Symantec update service.
Project Setup
For the purposes of this article, I included a wrapper for the Symantec SSE APIs, av.jar, which has Symantec Java APIs and serves as a client to the SSE server and takes care of all communications with the server. Please refer to the download source section. The av.jar should be included in the Java CLASSPATH to work with the SSE. This jar contains a class called AVClient that takes care of actually sending the files to SSE as byte arrays and returning the result.
In my project setting, I added three variables to be accessed via the System.getProperty mechanism. For example:
AV_SERVER_HOST=192.168.1.150
AV_SERVER_PORT=1344
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The AV_SERVER_PORT is the port where Scan Engine listens for incoming files.
The AV_SERVER_MODE is the scan mode which can be:
• NOSCAN: No scanning will be done (any keyword that does not start with "SCAN" will result in ignoring the call to the Scan Engine and no files will be transferred for scanning).
• SCAN: Files or the byte stream will be scanned, but the scan engine will not try to repair infections.
• SCANREPAIR: Files will be scanned, the scan engine will try to repair infections, but nothing else will be done.
• SCANREPAIRDELETE: Files will be scanned, the scan engine will try to repair infections, and irreparable files will be deleted.
Note: For the file stream (byte array) scanning, the only meaning full values are "SCAN" and "NOSCAN".
Using the SSE Scanning Java APIs
In any class where scan is required, call the scanning API provided in the AVClient object located in the av.jar. The AVClient object will establish connection to the Scan Engine server and has the following APIs:
Figure 2: The significant APIs for the communication with to the Scan Engine Server.
If scanning a file on the file system, in SCAN only mode, use the call that accepts filename only.
If scanning a file on the file system, with SCANREPAIR or SCANREPAIRDELETE, use the call that accepts input and output file names.
If scanning an in-memory file (byte array), use the call accepting byte array.
For example:
import com.av.*;
Initialize setup parameters:
static String avMode =
(System.getProperty("AV_SERVER_MODE") != null)
? (String) System.getProperty("AV_SERVER_MODE") : "NOSCAN";
static boolean scan = avMode.startsWith("SCAN");
static String avServer =
(String) System.getProperty("AV_SERVER_HOST");
static int avPort =
Integer.parseInt( (String) System.getProperty("AV_SERVER_PORT"));
Scan check example for an in-memory file byte array:
public void scanFile(byte[] fileBytes, String fileName)
throws IOException, Exception {
if (scan) {
AVClient avc = new AVClient(avServer, avPort, avMode);
if (avc.scanfile(fileName, fileBytes) == -1) {
throw new VirusException("WARNING: A virus was detected in
your attachment: " + fileName + " Please scan
your system with the latest antivirus software with
updated virus definitions and try again.");
Note that if you are using this code inside of the MVC handler, you can throw a custom VirusException and check for it in the calling method and perform any necessary cleanup. I have included the class in the AV Jar as well.
For example:
catch (Exception ex) {
logger.error(ex);
if (ex instanceof VirusException) {
// do something here
else {
// there was some other error – handle it
For more details on the Scan Engine Client API, please see Symantec Scan Engine Software Developers Guide.
Continuation in part2

part 4:
c) Clienttester.java – This is the gui app set to test if the configuration is working or not. This gui uses the method scanfile(inputfile, outputfile) as you can see the result in the outputpane of the jframe.
* clienttester.java
* Created on April 12, 2005, 2:37 PM
* @author george_maculley
package com.av;
import java.io.*;
import java.awt.*;
import java.awt.event.*;
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private String ipaddress = "199.209.150.58";
//private String ipaddress = "192.168.0.55";
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AVClient mine;
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this.port = port;
this.originalfilename = infile;
this.outputfilename = outfile;
return (true);
public void actionPerformed(java.awt.event.ActionEvent actionEvent) {
JComponent c = (JComponent) actionEvent.getSource();
if (c == filechooser) {
int retval = chooser.showDialog(frame, null);
if (retval == JFileChooser.APPROVE_OPTION) {
File theFile = chooser.getSelectedFile();
if (theFile != null) {
pathtofile.setText(theFile.getPath());
// pathtooutfile.setText(theFile.getPath());
JOptionPane.showMessageDialog(frame, "You chose this file: " + theFile.getPath());
if (c == scanbutton) {
//return object that can be passed to AVClient
String policy;
int thisport;
int scanresult;
String thisip;
String inputfile;
String outputfile;
outputarea.append("Server: " + iptext.getText() + "\r\n");
if (choosescan.isSelected()) {
policy = "SCAN";
else {
policy = "SCANREPAIRDELETE";
thisport = new Integer(porttext.getText()).intValue();
thisip = iptext.getText();
//mine= new AVClient(iptext.getText(),porttext.getText(),policy);
mine = new AVClient(iptext.getText(), thisport, policy);
if (mine.test() == 1) {
outputarea.append("Sorry. Incorrect parameters specified.\r\n");
System.exit(1);
else {
outputarea.append("Connection to SAVSE initialized.\r\n");
inputfile = pathtofile.getText();
// outputfile=pathtooutfile.getText();
outputfile = "/tmp";
outputarea.append("Scanning file " + inputfile + " \r\n");
if (policy == "SCAN") {
scanresult = mine.scanfile(inputfile);
else {
scanresult = mine.scanfile(inputfile, outputfile);
if (scanresult == 0) {
outputarea.append("File is clean.\r\n");
else if (scanresult == -1) {
outputarea.append("File is infected. \r\n");
else {
outputarea.append("Scan error.\r\n");
void display() {
Frame f = new Frame("SAVSE JAVA ICAP Client");
f.setLayout(new GridLayout(1, 2));
JPanel lpanel = new JPanel(new GridLayout(7, 1));
JPanel ippanel = new JPanel();
JPanel portpanel = new JPanel();
JPanel rpanel = new JPanel();
JPanel outputpanel = new JPanel();
JPanel buttonpanel = new JPanel();
JPanel pathpanel = new JPanel();
// JPanel outpathpanel= new JPanel();
JPanel policypanel = new JPanel();
ButtonGroup policygroup = new ButtonGroup();
filechooser.addActionListener(this);
scanbutton.addActionListener(this);
choosescan.setSelected(true);
policygroup.add(choosescan);
// policygroup.add(choosedelete);
buttonpanel.setBorder(BorderFactory.createTitledBorder("Scan Policy"));
buttonpanel.add(choosescan);
// buttonpanel.add(choosedelete);
pathpanel.setBorder(BorderFactory.createTitledBorder("Path to File"));
pathpanel.add(pathtofile);
f.setSize(new Dimension(650, 400));
f.setBackground(Color.white);
f.setResizable(true);
ippanel.setBorder(BorderFactory.createTitledBorder("SAVSE IP Address"));
ippanel.add(iptext);
outputpanel.setBorder(BorderFactory.createTitledBorder("OUTPUT"));
outputpanel.add(outputarea);
portpanel.setBorder(BorderFactory.createTitledBorder("ICAP Port"));
portpanel.add(porttext);
// outpathpanel.setBorder(BorderFactory.createTitledBorder("Path to Repair File"));
// outpathpanel.add(pathtooutfile);
lpanel.add(ippanel);
rpanel.add(outputpanel);
lpanel.add(portpanel);
lpanel.add(buttonpanel);
lpanel.add(pathpanel);
// lpanel.add(outpathpanel);
lpanel.add(filechooser);
lpanel.add(scanbutton);
f.add(lpanel);
f.add(rpanel);
f.setVisible(true);
public static void main(String[] args) {
clienttester g = new clienttester();
g.display();
d) my2.java – This is the class file I wrote to test that I am able to send a file and scan it and see the output in the JDEVELOPER. In this case the file is stored on the filesystem of the client machine. JDEVELOPER should be able to see the file.
NOTE:
“EICAR.com” is the test file downloaded from Symantec site to test a non malicious virus file. I n order to be able to test it like this, the Antivirus program running on your machine should be disabled, or else Antivirus will kick in and delete the file. In the first place you will not be able to download the test virus file either with anti virus running on the machine you are downloading to.
package com.av;
import java.io.*;
public class my2 {
static int my_return = 0;
* @param fileBytes
* @param fileName
* @return
public static int scanfile(String fileName){
String avMode = "SCAN";
boolean scan = avMode.startsWith("SCAN");
String avServer = "xx";--avserver ip address
int avPort = 1344;
int the_return = 0;
if (scan) {
AVClient avc = new AVClient(avServer,avPort,avMode);
the_return = avc.scanfile(fileName);
if (the_return == -1) {
return (the_return);
} else
return (the_return);
//my_return = the_return;
return (the_return);
public static void main(String[] args) throws Exception {
System.out.println("Hi there in Main");
byte[] b1 = new byte[4];
b1[1] = 68;
my_return = scanfile("c:\\eicar.com");
System.out.println(my_return);
e) Then finally we have my1.JAVA, which takes the filename, and it’s contents in the bytes form and scans the file. The reason for this method is we are not storing the file on the filesystem, it is read into the memory and only if it is clean, it is put into the database or else notify the user.
package com.av;
import java.io.*;
public class my1 {
static int my_return = 0;
static int a_length = 0;
* @param fileBytes
* @param fileName
* @return
public static int scanfile(String fileName,byte[] fileBytes) throws IOException {
String avMode = "SCAN";
boolean scan = avMode.startsWith("SCAN");
String avServer = "xxx";--avserver’s ip address
int avPort = 1344;
int the_return = 0;
if (scan) {
AVClient avc = new AVClient(avServer,avPort,avMode);
// File file = new File(fileName) ;
//byte[] fBytes = getBytesFromFile(file);
the_return = avc.scanfile(fileName, fileBytes);
if (the_return == -1) {
return (the_return);
} else
{return (the_return);}
my_return = the_return;
return (the_return);
// Returns the contents of the file in a byte array.
* @param file
* @return
* @throws IOException
public static byte[] getBytesFromFile(File file) throws IOException {
InputStream is = new FileInputStream(file);
// Get the size of the file
long length = file.length();
// You cannot create an array using a long type.
// It needs to be an int type.
// Before converting to an int type, check
// to ensure that file is not larger than Integer.MAX_VALUE.
if (length > Integer.MAX_VALUE) {
// File is too large
// Create the byte array to hold the data
byte[] bytes = new byte[(int)length];
// Read in the bytes
int offset = 0;
int numRead = 0;
while (offset < bytes.length
&& (numRead=is.read(bytes, offset, bytes.length-offset)) >= 0) {
offset += numRead;
// Ensure all the bytes have been read in
if (offset < bytes.length) {
throw new IOException("Could not completely read file "+file.getName());
// Close the input stream and return bytes
is.close();
return bytes;
// public static void main(String[] args) throws Exception {
//System.out.println("Hi there in Main");
// File file = new File() ;
// byte[] b1 = getBytesFromFile(file);
//System.out.println(b1);
// my_return = scanfile(,b1);
//System.out.println(my_return); }
Finally , you have the exceptions file,
e) package com.av;
public class VirusException
extends Exception {
public VirusException() {
super();
public VirusException(String text) {
super(text);
Once you have all these classes, you can use JDEVELOPER , to load these classes into the database: This is as follows:
Right click on the project, which has all these classes.
NEW -> deployment profiles -> load java and stored procedures.
When you are created deployment profile, you have to specify,
Loadjava options.
-f, -v (check the check boxes)
Under privileges:
-s – specify database schema these classes are loaded into
-s – create sysnonym check box
-g – grant to public or any specific users per your policy.
Under Resolver,
-r and –o (check the check boxes)
I accepted the default name storedproc1. Then you right click on the storedproc1.deploy, deploy to whichever database connection you created.
And then, In order to access this java class we need a pl/sql wrapper as follows:
create or replace package my1 is
function mycheck (pfilename in varchar2, psize in number)
return number;
end my1;
create or replace package body my1 is
 function mycheck (pfilename in varchar2, psize in number)
return number is
language java
 name 'com.av.my1.scanfile(java.lang.String, byte[]) return int';
 end my1;
And the code is invoked from sql plus as follows:
Select my1.mycheck(“filename”, “filebytes”) from dual;
One important catch in the above method is to send the filename and filecontents in bytes form. In order to send the file contents as filebytes, you will need another java class and load into the data base as described above.
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
* This program demonstrates how to read a file into a byte array. This method
* reads the entire contents of the file into a byte array.
* @version 1.0
* @author Jeffrey M. Hunter ([email protected])
* @author http://www.idevelopment.info
public class ReadFileIntoByteArray {
* method to convert a byte to a hex string.
* @param data the byte to convert
* @return String the converted byte
public static String byteToHex(byte data) {
StringBuffer buf = new StringBuffer();
buf.append(toHexChar((data >>> 4) & 0x0F));
buf.append(toHexChar(data & 0x0F));
return buf.toString();
* Convenience method to convert an int to a hex char.
* @param i the int to convert
* @return char the converted char
public static char toHexChar(int i) {
if ((0 <= i) && (i <= 9)) {
return (char) ('0' + i);
} else {
return (char) ('a' + (i - 10));
* Returns the contents of the file in a byte array
* @param file File this method should read
* @return byte[] Returns a byte[] array of the contents of the file
private static byte[] getBytesFromFile(File file) throws IOException {
InputStream is = new FileInputStream(file);
System.out.println("\nDEBUG: FileInputStream is " + file);
// Get the size of the file
long length = file.length();
System.out.println("DEBUG: Length of " + file + " is " + length + "\n");
* You cannot create an array using a long type. It needs to be an int
* type. Before converting to an int type, check to ensure that file is
* not loarger than Integer.MAX_VALUE;
if (length > Integer.MAX_VALUE) {
System.out.println("File is too large to process");
return null;
// Create the byte array to hold the data
byte[] bytes = new byte[(int)length];
// Read in the bytes
int offset = 0;
int numRead = 0;
while ( (offset < bytes.length)
( (numRead=is.read(bytes, offset, bytes.length-offset)) >= 0) ) {
offset += numRead;
// Ensure all the bytes have been read in
if (offset < bytes.length) {
throw new IOException("Could not completely read file " + file.getName());
is.close();
return bytes;
* @param filename
public static byte[] chk_file(String filename) {
byte[] fileArray = null;
try {
fileArray = getBytesFromFile(new File( filename));
} catch (IOException e) {
e.printStackTrace();
if (fileArray != null) {
for (int i=0; i<fileArray.length; i++) {
System.out.println(
"fileArray[" + i + "] = " +
((int)fileArray[i] < 9 ? " " : "") +
( ((int)fileArray[i] > 9 && (int)fileArray[i] <= 99) ? " " : "") +
fileArray[i] + " : " +
" HEX=(0x" + byteToHex(fileArray) + ") : " +
" charValue=(" + (char)fileArray[i] + ")");
return fileArray;
* Sole entry point to the class and application.
* @param args Array of String arguments.
public static void main(String[] args) {
byte[] fileArray = null;
try {
fileArray = getBytesFromFile(new File("c:\\eicar.com"));
} catch (IOException e) {
e.printStackTrace();
if (fileArray != null) {
for (int i=0; i<fileArray.length; i++) {
System.out.println(
"fileArray[" + i + "] = " +
((int)fileArray[i] < 9 ? " " : "") +
( ((int)fileArray[i] > 9 && (int)fileArray[i] <= 99) ? " " : "") +
fileArray[i] + " : " +
" HEX=(0x" + byteToHex(fileArray[i]) + ") : " +
" charValue=(" + (char)fileArray[i] + ")");
Having main method helps you to run the file in JDEVELOPER or using JAVA.
DO not forget to load this class into the database.
And you create the pl/sql wrapper again as follows:
create or replace FUNCTION TOBY (pfilename in varchar2) RETURN VARCHAR2 iS
language java name
'ReadFileIntoByteArray.chk_file(java.lang.String) return byte[]';
And you call the function from sqlplus as follows:
Sql>Set serveroutput on size 20000;
Sql> call dbms_java.set_output(20000);
Sql> Select toby(“filename”) from dual; --
this file should be accessible, I mean you will not be able to send a file on your pc, from sql plus as sql/plus is running on your db server.
You will be able to see the output in sql plus:
If you are running it from the APEX:
When we use file browser widget from APEX, the file is stored in APEX_APPLICATION_FILES table. And we retrieve that into a variable and pass this variable to the function as follows:
DECLARE
scan_failed EXCEPTION;
x varchar2(400);
z number;
BEGIN
select filename into x from wwv_flow_files where name = :P1_FILE_NAME;
select my1.mycheck(x,toby(x)) into z from dual;
if z = 0 then
:P1_SUBJECT:= 'PASSED';
else
:P1_SUBJECT:= 'FAILED';
end if;
:P1_SCAN_RESULT := '** Scanning File **';
IF UPPER(:P1_SUBJECT) = 'PASSED' THEN
BEGIN
:P1_SCAN_FLAG := 'PASSED';
:P1_SCAN_RESULT := :P1_SCAN_RESULT || ' ** File passed scan **';
END;
ELSIF UPPER(:P1_SUBJECT) = 'FAILED' THEN
BEGIN
:P1_SCAN_FLAG := 'FAILED';
:P1_SCAN_RESULT := :P1_SCAN_RESULT || ' ** File failed scan **';
END;
ELSE
BEGIN
:P1_SCAN_FLAG := 'UNKNOWN';
:P1_SCAN_RESULT := :P1_SCAN_RESULT || ' ** Scan Is Not Conclussive **';
END;
END IF;
--IF :P1_SCAN_FLAG = 'FAILED'
-- THEN RAISE scan_failed;
--END IF;
EXCEPTION
WHEN OTHERS THEN
DELETE from APEX_APPLICATION_FILES WHERE name = :P1_FILE_NAME;
RAISE_APPLICATION_ERROR (-20000, 'seb OTHERS error encountered - file upload not allowed. Possible virus detected !');
raise;
END;
ACKNOWLEDMENTS:
1) JOHN SCOTT – who suggested this ICAP API in one of the threads which is my initial starting point in this direction.
2) VLAD KOFMAN who wrote the article on WWW.DEVELOPER.com
3) Mr. KIRAN –One of the engineers from Metalink, who helped me at every step of getting this java programs and pl/sql wrappers working. But for him, I would have not completed my project.

How to store multiple files from SAp in to Application server?

Hi Guys,
 Can anybody tell me how to store multiple files from SAP into Application server.in my application i have to get the data from SAP tables BSEG , BKPF , BSAK and BSIK that to daily i have to do.
 Any Logic or Code for how to do is welcomed.
 plz help me urgently.
Thanks,
Gopi

Hi,
directories creates basis. If you have task to store data in application server you already should have information into which folder you have to do it. If you don't have this information because it is just for example training for next task then you can use your personal folder into which you have access. To get list of all available folders please look at attached code and form get_directories (you get the list of folders you see in transaction AL11). But don't forget: If you are using open dataset you have to have rights to access application folder!
Here you are code which I use to upload text files from local disc into application folder
Regards,
Karol
*& Report FILE_PC_TO_SAP
REPORT FILE_PC_TO_SAP.
DATA: BEGIN OF searchpoints OCCURS 100,
 DIRNAME(200) TYPE c, " name of directory.
 sp_name(100) TYPE c," name of entry. (may end with *)
 END OF searchpoints.
DATA: BEGIN OF isearchpoints OCCURS 10,
 dirname(75) TYPE c, " name of directory.
 aliass(75) TYPE c, " alias for directory.
 svrname(75) TYPE c, " svr where directory is availabl
 sp_name(75) TYPE c, " name of entry. (may end with *)
 sp_cs(10) TYPE c, " ContainsString pattern for name
 END OF isearchpoints.
data: l_file type filetable.
data: l_rc type i.
data: itab type TABLE OF string.
data: g_tmp_file_path type rlgrap-filename.
data: wa_itab type string.
data: h_destin(100) type c.
data: dat type string.
INITIALIZATION.
perform get_directories.
START-OF-SELECTION.
parameters: in_file type string OBLIGATORY LOWER CASE.
parameters: destin(100) type c OBLIGATORY LOWER CASE.
CALL FUNCTION 'GUI_UPLOAD'
EXPORTING
 FILENAME = in_file
 "FILETYPE = 'BIN'
 FILETYPE = 'ASC'
 HAS_FIELD_SEPARATOR = ' '
 HEADER_LENGTH = 0
 READ_BY_LINE = 'X'
 DAT_MODE = ' '
TABLES
 DATA_TAB = itab
EXCEPTIONS
 FILE_OPEN_ERROR = 1
 FILE_READ_ERROR = 2
 NO_BATCH = 3
 GUI_REFUSE_FILETRANSFER = 4
 INVALID_TYPE = 5
 NO_AUTHORITY = 6
 UNKNOWN_ERROR = 7
 BAD_DATA_FORMAT = 8
 HEADER_NOT_ALLOWED = 9
 SEPARATOR_NOT_ALLOWED = 10
 HEADER_TOO_LONG = 11
 UNKNOWN_DP_ERROR = 12
 ACCESS_DENIED = 13
 DP_OUT_OF_MEMORY = 14
 DISK_FULL = 15
 DP_TIMEOUT = 16
 OTHERS = 17.
IF sy-SUBRC <> 0.
write: / 'Error during loading input file!'.
ENDIF.
if h_destin is INITIAL.
h_destin = in_file.
endif.
CONCATENATE destin h_destin into dat SEPARATED BY '/'.
*TRANSLATE dat TO UPPER CASE.
OPEN DATASET dat FOR OUTPUT IN TEXT MODE ENCODING DEFAULT.
IF sy-SUBRC = 0.
loop at itab into wa_itab.
 TRANSFER: wa_itab TO dat.
endloop.
CLOSE DATASET dat.
write: / 'File uploaded!'.
ELSE.
write: / 'Not possible to open dataset'.
ENDIF.
at selection-screen on value-request for in_file.
perform select_input_file_name.
loop at l_file into g_tmp_file_path.
 move g_tmp_file_path to in_file.
 h_destin = ''.
 SPLIT g_tmp_file_path at '\' into table itab.
 loop at itab into g_tmp_file_path.
 h_destin = g_tmp_file_path.
 endloop.
endloop.
at selection-screen on value-request for destin.
DATA: lt_dfies TYPE TABLE OF dfies.
DATA: lwa_dfies TYPE dfies.
CALL FUNCTION 'DDIF_FIELDINFO_GET'
 EXPORTING
 tabname = '/BI0/PCO_AREA'
 lfieldname = 'CO_AREA'
 IMPORTING
 dfies_wa = lwa_dfies.
lwa_dfies-tabname = 'searchpoints'.
lwa_dfies-REPTEXT = 'Destination directory'.
lwa_dfies-LENG = 100.
lwa_dfies-INTLEN = 100.
lwa_dfies-OUTPUTLEN = 100.
lwa_dfies-fieldname = 'SP_NAME'.
APPEND lwa_dfies TO lt_dfies.
CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
 EXPORTING
 RETFIELD = 'SP_NAME'
 DYNPPROG = SY-REPID
 DYNPNR = SY-DYNNR
 DYNPROFIELD = 'destin'
 VALUE_ORG = 'S'
 TABLES
 VALUE_TAB = searchpoints
 FIELD_TAB = lt_dfies
 EXCEPTIONS
 PARAMETER_ERROR = 1
 NO_VALUES_FOUND = 2
 OTHERS = 3.
*& Form select_input_file_name
* text
form select_input_file_name.
* call function 'F4_FILENAME'
* exporting
* program_name = sy-repid
* dynpro_number = sy-dynnr
* field_name = 'PATH'
* importing
* file_name = g_tmp_file_path.
CALL METHOD CL_GUI_FRONTEND_SERVICES=>FILE_OPEN_DIALOG
EXPORTING
WINDOW_TITLE = 'Please choose a file'
"default_extension = '*.TXT'
"default_filename = 'C:\*.txt'
initial_directory = 'C:\'
file_filter = '*.*'
CHANGING
FILE_TABLE = l_file
RC = l_RC
EXCEPTIONS
FILE_OPEN_DIALOG_FAILED = 1
CNTL_ERROR = 2
ERROR_NO_GUI = 3
NOT_SUPPORTED_BY_GUI = 4
OTHERS = 5.
IF SY-SUBRC <> 0.
 MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
 WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
endform. "select_input_file_name
*& Form WRITE_DB_HOME
* Write DB home directory
* no parameters
FORM write_db_home.
CASE sy-dbsys(3).
 WHEN 'ORA'.
 CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_ORAHOME'
 ID 'VALUE' FIELD searchpoints-dirname.
*--- C5056155 Start of ALV -------------------------------*
* PERFORM flip_flop(rsora000) USING cflag.
* WRITE: / 'DIR_ORAHOME', 30 searchpoints-dirname.
 MOVE: 'DIR_ORAHOME' TO searchpoints-sp_name.
 APPEND searchpoints.
*--- C5056155 End of ALV -------------------------------*
 WHEN 'ADA'.
 CALL 'C_GETENV' ID 'NAME' FIELD 'DBROOT'
 ID 'VALUE' FIELD searchpoints-dirname.
*--- C5056155 Start of ALV -------------------------------*
* PERFORM flip_flop(rsora000) USING cflag.
* WRITE: / 'DIR_ADA_DBROOT', 30 searchpoints-dirname.
 MOVE: 'DIR_ADA_DBROOT' TO searchpoints-sp_name.
 APPEND searchpoints.
*--- C5056155 End of ALV -------------------------------*
 WHEN 'INF'.
 CALL 'C_GETENV' ID 'NAME' FIELD 'INFORMIXDIR'
 ID 'VALUE' FIELD searchpoints-dirname.
*--- C5056155 Start of ALV -------------------------------*
* PERFORM flip_flop(rsora000) USING cflag.
* WRITE: / 'DIR_INF_INFORMIXDIR', 30 searchpoints-dirname.
 MOVE: 'DIR_INF_INFORMIXDIR' TO searchpoints-sp_name.
 APPEND searchpoints..
*--- C5056155 End of ALV -------------------------------*
 WHEN 'DB6'.
 CALL 'C_GETENV' ID 'NAME' FIELD 'INSTHOME'
 ID 'VALUE' FIELD searchpoints-dirname.
 IF sy-subrc = 0.
*--- C5056155 Start of ALV -------------------------------*
* PERFORM flip_flop(rsora000) USING cflag.
* WRITE: / 'DIR_DB2_HOME', 30 searchpoints-dirname.
 MOVE: 'DIR_DB2_HOME' TO searchpoints-sp_name.
 APPEND searchpoints.
*--- C5056155 End of ALV -------------------------------*
 ELSE.
 EXIT.
 ENDIF.
 WHEN OTHERS.
 EXIT.
ENDCASE.
ENDFORM. " WRITE_DB_HOME
FORM get_directories.
* get the name and aliases of ALL userdefined directories
SELECT * FROM user_dir INTO isearchpoints
 WHERE svrname = sy-uname.
 MOVE isearchpoints-dirname to searchpoints-dirname.
 MOVE isearchpoints-aliass to searchpoints-sp_name.
 APPEND searchpoints.
ENDSELECT.
SELECT * FROM user_dir INTO isearchpoints
 WHERE svrname = 'all'.
 MOVE isearchpoints-dirname to searchpoints-dirname.
 MOVE isearchpoints-aliass to searchpoints-sp_name.
 APPEND searchpoints.
ENDSELECT.
* Get DB home
IF sy-dbsys(3) = 'ADA'.
 PERFORM write_db_home.
ENDIF.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_ATRA'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_ATRA' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_BINARY'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_BINARY' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory $DIR_CCMS
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_CCMS'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_CCMS' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_CT_LOGGING'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_CT_LOGGING' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_CT_RUN'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_CT_RUN' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_DATA'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_DATA' TO searchpoints-sp_name.
APPEND searchpoints.
* Get DB home
IF sy-dbsys(3) = 'DB6'.
 PERFORM write_db_home.
ENDIF.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_DBMS'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_DBMS' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_EXECUTABLE'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_EXECUTABLE' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_EXE_ROOT'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_EXE_ROOT' TO searchpoints-sp_name.
APPEND searchpoints.
*get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_GEN'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_GEN' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_GEN_ROOT'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_GEN_ROOT' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_GLOBAL'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_GLOBAL' TO searchpoints-sp_name.
APPEND searchpoints.
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_GRAPH_EXE'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_GRAPH_EXE' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_GRAPH_LIB'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_GRAPH_LIB' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_HOME'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_HOME' TO searchpoints-sp_name.
APPEND searchpoints.
* Get DB home
IF sy-dbsys(3) = 'INF'.
 PERFORM write_db_home.
ENDIF.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_INSTALL'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_INSTALL' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_INSTANCE'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_INSTANCE' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_LIBRARY'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_LIBRARY' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_LOGGING'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_LOGGING' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the files written by the memory inspector
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_MEMORY_INSPECTOR'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_MEMORY_INSPECTOR' TO searchpoints-sp_name.
APPEND searchpoints.
* Get DB home
IF sy-dbsys(3) = 'ORA'.
 PERFORM write_db_home.
ENDIF.
*get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_PAGING'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_PAGING' TO searchpoints-sp_name.
APPEND searchpoints.
*get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_PUT'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_PUT' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_PERF'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_PERF' TO searchpoints-sp_name.
APPEND searchpoints.
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_PROFILE'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_PROFILE' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_PROTOKOLLS'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_PROTOKOLLS' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_REORG'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_REORG' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_ROLL'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_ROLL' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_RSYN'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_RSYN' TO searchpoints-sp_name.
APPEND searchpoints.
* calculate directory for saphostagent (no sapparam available...)
IF ( sy-opsys(3) = 'WIN' ) OR ( sy-opsys(3) = 'Win' ).
 DATA: windir_path(64), programfiles_path(64).
* hoping that ProgramFiles is set in service user environment
 CALL 'C_GETENV' ID 'NAME' FIELD 'ProgramFiles'
 ID 'VALUE' FIELD programfiles_path.
 IF programfiles_path IS INITIAL.
* %ProgramFiles% not available. guess from windir
 CALL 'C_GETENV' ID 'NAME' FIELD 'windir'
 ID 'VALUE' FIELD windir_path.
* e.g. S:\WINDOWS ==> S:\Program Files
 CONCATENATE windir_path(3) 'Program Files' INTO programfiles_path.
 ENDIF.
 CONCATENATE programfiles_path '\SAP\hostctrl'
 INTO searchpoints-dirname.
ELSE.
* on UNIX, the path is hard coded
 searchpoints-dirname = '/usr/sap/hostctrl'.
ENDIF.
MOVE: 'DIR_SAPHOSTAGENT' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_SAPUSERS'
 ID 'VALUE' FIELD searchpoints-dirname.
IF searchpoints-dirname = '.'.
 IF sy-opsys = 'Windows NT'.
 searchpoints-dirname = '.\'.
 ELSE.
 searchpoints-dirname = './'.
 ENDIF.
ENDIF.
MOVE: 'DIR_SAPUSERS' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_SETUPS'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_SETUPS' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_SORTTMP'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_SORTTMP' TO searchpoints-sp_name.
APPEND searchpoints.
*get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_SOURCE'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_SOURCE' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_TEMP'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_TEMP' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_TRANS'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_TRANS' TO searchpoints-sp_name.
APPEND searchpoints.
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_TRFILES'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_TRFILES' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_TRSUB'
 ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_TRSUB' TO searchpoints-sp_name.
APPEND searchpoints.
* get the name of the current server.
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'rdisp/myname'
 ID 'VALUE' FIELD searchpoints-dirname.
data: h_ind type i.
LOOP AT searchpoints.
 h_ind = sy-tabix.
 IF searchpoints-sp_name IS INITIAL.
 DELETE searchpoints INDEX h_ind.
 ENDIF.
ENDLOOP.
ENDFORM.

FTP Adapter to poll multiple files (different formats)

Hi,
We have a requirement to poll and process multiple files from a given FTP location(either process all or reject all - reject if there is any failure in one of the files).
Using FTP Adapter's Get File operation(Schema Opaque), we are able to read three different file formats and can get the file name(Using header variable FileName).
And we are hoping to process the file contents based on the File Name that we get from the above step.
1) How do we convert the file contents from Opaque to specific Schema (ex: file1.csv, file2.csv and file3.csv with different formats)?
2) As the requirement is to process all the files at the same time, Can we use correlation in the poller process to route to single controller process(One instance of Controller process for all the files)?
Any help would be much appreciated.
Thanks...

Thanks a lot for the quick answers.
I've used the Java embed to convert Base64 content to String. And using 'translateFromNative' extension, I could convert it to the desired XML content.
But I still have trouble in polling and processing all the files(file1.csv, file2.csv and file3.csv) at the same time using a single controller process.
My requirement is to process all the three files at the same time(for any failures I have to compensate any/all of inserted records).
I tried using Pick(with different OnMessage branches), but as they are polling the same location I could see only one OnMessage branch is getting fired resulting in multiple instances.
May be I didn't understand your suggestion correctly, could you please elaborate on the possibility of processing multiple files at the same time?
Thanks

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