#include <pcap.h>
#include <remote-ext.h>

#define	DISPLAY				1

#define	ETH_ALEN				6
#define	ETH_HLEN				14
#define	ETH_ZLEN				60
#define	ETH_DATA_LEN			1500
#define	ETH_FRAME_LEN			1514
#define	ETHERTYPE_PUP			0x0200
#define	ETHERTYPE_IP			0x0800
#define	ETHERTYPE_ARP			0x0806
#define	ETHERTYPE_REVARP			0x8035

#define	IP_RF				0x8000
#define	IP_DF				0x4000
#define	IP_MF				0x2000
#define	IP_OFFMASK			0x1fff
#define	IP_WINDOWS			"192.168.10.64"
#define	IP_LINUX			"192.168.10.94"


#define IPPROTO_IPIP			4
#define IPPROTO_EGP			8

#define	arp_hrd	ea_hdr.ar_hrd
#define	arp_pro	ea_hdr.ar_pro
#define	arp_hln	ea_hdr.ar_hln
#define	arp_pln	ea_hdr.ar_pln
#define	arp_op	ea_hdr.ar_op

#define	ARPHRD_NETROM		0
#define	ARPHRD_ETHER		1
#define	ARPHRD_EETHER		2
#define	ARPHRD_IEEE802		6

// ARP protocol opcodes
#define	ARPOP_REQUEST		1		// ARP request
#define	ARPOP_REPLY			2		// ARP reply
#define	ARPOP_RREQUEST		3		// RARP request
#define	ARPOP_RREPLY		4		// RARP reply
#define	ARPOP_InREQUEST		8		// InARP request
#define	ARPOP_InREPLY		9		// InARP reply
#define	ARPOP_NAK			10		// (ATM)ARP NAK
typedef unsigned int in_addr_t;

#pragma pack(push, 1)
struct ether_header
{
	u_int8_t  ether_dhost[ETH_ALEN];	// destination ether addr
	u_int8_t  ether_shost[ETH_ALEN];	// source ether addr
	u_int16_t ether_type;						// packet type ID field	
};

struct ip
{
	u_char ip_hl:4;
	u_char ip_v:4;
	u_char ip_tos;
	u_short ip_len;
	u_short ip_id;
	u_short ip_off;
	u_char ip_ttl;
	u_char ip_p;
	u_short ip_sum;
	struct in_addr ip_src, ip_dst;
};

struct arphdr
{
	unsigned short ar_hrd;
	unsigned short ar_pro;
	unsigned char ar_hln;
	unsigned char ar_pln;
	unsigned short ar_op;
};

struct	ether_arp
{
	struct	arphdr ea_hdr;
	unsigned char arp_sha[ETH_ALEN];
	unsigned char arp_spa[4];
	unsigned char arp_tha[ETH_ALEN];
	unsigned char arp_tpa[4];
};

struct tcphdr
{
	unsigned short	source;
	unsigned short	dest;
	unsigned int	seq;
	unsigned int	ack_seq;
	unsigned short	res;
	unsigned short	window;
	unsigned short	check;
	unsigned short	urg_ptr;
};

struct icmp
{
	u_char type;
	u_char code;
	u_short checksum;
	u_int resthdr;
	u_int datasection;

};
#pragma pack(pop)

void pcapdata(char *, int);
void	PrintHexaNAscii(void *, int);
int	UEC_HPreEther(struct ether_header *);
int	UEC_HDisplayIP(struct ip *);
int	UEC_HPreARP(struct ether_arp *);
int	UEC_HPreTCP(struct tcphdr *);
int	UEC_HPreICMP(struct icmp *);


#pragma comment (lib, "ws2_32.lib")