Reversing__random_password

void hello()
{
	char name[?];
	//__x86.get_pc_thunk.bx
	puts("What's your name?");
	fgets(&name, 0x20, stdin);
	if(strchr(name, '%') && strchr(name, 'n')) exit(1);
	printf("Hello ");
	printf(name);
}

void login()
{
	char password[?];
	char passRand[?];
	puts("Please enter the password");
	fgets(&password, 0x40, stdin);
	int fp = open("/dev/urandom", O_RDONLY);
	if(fp == -1) exit(1);
	read(fp, passRand, 0x10);
	close(fp);

	if(memcmp(password, passRand, 0x10))
	{
		puts("Shell for you :)");
		system("false && /bin/sh");
	}else{
		puts("Sorry, wrong password");
	}
}

int main()
{
	setbuf(0, ?);
	setbuf(0, ?);
	hello();
	login();
}