enum
{
	STACK = 16*2048,
	Pktlen = 1514,
	Npkt = 3,
	Buflen = 9600,
	Nbuf = 3,
	Blen = 256,

	ETHERMINTU=60,
	ETHERMAXTU=1514,
};

enum {
	ETEAPOL	= 0x888e,

	EapolTpEap	= 0,
	EapolTpStart	= 1,
	EapolTpLogoff	= 2,
	EapolTpKey	= 3,
	EapolTpAsf	= 4,

	EapolVersion	= 2,

	EapRequest	= 1,
	EapResponse	= 2,
	EapSuccess	= 3,
	EapFailure	= 4,

	EapTpIdentity	= 1,
	EapTpNotification	= 2,
	EapTpNak		= 3,
	EapTpMd5	= 4,
	EapTpOtp		= 5,	// one time password
	EapTpGtc		= 6,	// generic token card
	EapTpTtls		= 21,
	EapTpExtp	= 254,	// expanded types
	EapTpExus	= 255,	// experimental use
};

typedef struct Ether
{
	uchar	d[6];
	uchar	s[6];
	uchar	t[2];
	uchar	data[1];
} Ether;

enum {
	ETHERHDR = 14,
};

typedef struct Eapol
{
	uchar	ver;
	uchar	tp;
	uchar	ln[2];
	uchar	data[1];
} Eapol;

enum {
	EAPOLHDR = 4,
};

typedef struct Eap
{
	uchar	code;
	uchar	id;
	uchar	ln[2];
	uchar	data[1];
} Eap;

enum {
	EAPHDR = 4,
};

typedef struct KeyDesc
{
	uchar	tp;
	uchar	data[1]; //  min 1016
} KeyDesc;
enum
{
	KeyDescHlen = 1,
	KeyTpRC4 =	1,
};

typedef struct RC4KeyDesc
{
	uchar	ln[2];
	uchar	rpc[8];
	uchar	iv[16];
	uchar	idx;
	uchar	md[16];
	uchar	data[1];
} RC4KeyDesc;

enum
{
	RC4KeyDescHlen = 43,

	RC4KeyUnicast = 1<<7,
	RC4KeyIdx = (~0^1<<7),
};

typedef struct Buf {
	uchar b[Buflen];
	int n;
} Buf;

typedef struct Packet {
	uchar b[Pktlen];// the data
	int n;		// how much we used
	uchar *beyond; // b + n
	Ether *ether;	// points to start of Ether in b
	Eapol *eapol;	// points to start of Eapol in b
	Eap *eap;		// points to start of Eapl in b
} Packet;

// Timers
enum {
	Off = 0,
	Ticking,
	Expired,

	TickPerSec = 10,
	Tick = 1000/TickPerSec,
};

typedef struct Timer {
	int counter;
	char *name;
	int state;
} Timer;

typedef struct Timers {
	Timer **timer;
	int ntimer;
	Channel *timerchan;
} Timers;


// Globals

uchar theSessionKey[64]; 
char *myId;
char *myPasswd;
int debug;
int debugTLS;
char *logname;