#include <stdio.h>
#include <stdbool.h>
#include <sys/ioctl.h>
#include <unistd.h>

int main(int argc, char* argv[])
{
	printf("argc: %d\n", argc);
	for (int i=0; i<argc; ++i)
	{
		printf("argv[%d]: %s\n", i, argv[i]);
	}
	
	printf("=====\n");

	int numBytes = 0;
	ioctl(STDIN_FILENO, FIONREAD, &numBytes);

	printf("The following was piped-in using the stdin stream.\n");
	printf("===== STDIN =====\n\n");
	while (!feof(stdin) && numBytes > 0)
	{
		char buffer[1024] = {};
		size_t bufferSize = fread(buffer, sizeof(char), sizeof(buffer), stdin);
		if (bufferSize == 0)
		{
			break;
		}

		fwrite(buffer, sizeof(char), bufferSize, stdout);
	}
	
	return 0;
}

net-fw DROP IN=eno1 OUT= MAC=xxx SRC=125.212.217.214 DST=MEINE_IP LEN=40 TOS=0x00 PREC=0x00 TTL=110 ID=24384 PROTO=TCP SPT=46640 DPT=4443 WINDOW=35627 RES=0x00 SYN URGP=0 
net-fw DROP IN=eno1 OUT= MAC=xxx SRC=52.36.168.148 DST=MEINE_IP LEN=87 TOS=0x00 PREC=0x00 TTL=233 ID=14443 DF PROTO=TCP SPT=443 DPT=53428 WINDOW=114 RES=0x00 ACK PSH URGP=0 
net-fw DROP IN=eno1 OUT= MAC=xxx SRC=192.241.178.125 DST=MEINE_IP LEN=83 TOS=0x00 PREC=0x00 TTL=51 ID=40522 DF PROTO=TCP SPT=443 DPT=54422 WINDOW=11 RES=0x00 ACK PSH URGP=0