macip.c File Reference

#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/uio.h>
#include <netatalk/at.h>
#include <atalk/aep.h>
#include <atalk/ddp.h>
#include <atalk/atp.h>
#include <atalk/zip.h>
#include <signal.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <netdb.h>
#include <errno.h>
#include <netinet/in_systm.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/ip_icmp.h>
#include "atp_input.h"
#include "nbp_lkup_async.h"
#include "common.h"
#include "macip.h"
#include "util.h"

Data Structures
struct	macip_req_control
struct	macip_req_data
struct	macip_req
struct	ipent
struct	macip_data
struct	zones

Macros
#define	DDPTYPE_MACIP   (22)
#define	MACIP_ASSIGN   (1)
#define	MACIP_SERVER   (3)
#define	MACIP_PORT   (72)
#define	MACIP_MAXMTU   (586)
#define	MACIP_NODETYPE   "IPADDRESS"
#define	MACIP_GATETYPE   "IPGATEWAY"
#define	MACIP_ATPRETRIES   (5)
#define	MACIP_ATPWAIT   (5)
#define	MACIP_NBPRETRIES   (5)
#define	MACIP_NBPWAIT   (5)
#define	ARPTIMEOUT   (30)
#define	ARPRETRIES   (10)
#define	ASSIGN_FREE   (0)
#define	ASSIGN_LEASED   (1)
#define	ASSIGN_FIXED   (2)
#define	IPADDR(e)
#define	MAXZONES   256

Functions
static uint16_t	cksum (char *buffer, int len)
static void	icmp_echo (uint32_t src, uint32_t dst)
static long	now (void)
struct ipent *	get_ipent (uint32_t ip)
static uint32_t	lease_ip ()
static int	arp_lookup (struct sockaddr_at *sat, uint32_t ip)
static void	arp_set (uint32_t ip, struct sockaddr_at *sat)
static void	arp_input (struct sockaddr_at *sat, char *buffer, int len)
static void	ip_input (struct sockaddr_at *sat, char *buffer, int len)
void	macip_output (char *buffer, int len)
static void	config_input (ATP atp, struct sockaddr_at *faddr, char *packet, int len)
void	macip_input (void)
static int	init_ip (uint32_t net, uint32_t mask, uint32_t nameserver)
static void	add_zones (short n, char *buf)
static int	get_zones (void)
void	macip_idle (void)
int	macip_open (char *zone, uint32_t net, uint32_t mask, uint32_t ns, outputfunc_t o)
void	macip_close (void)

Variables
static struct macip_data	gMacip
static struct zones	gZones
static outputfunc_t	gOutput

Macro Definition Documentation

ARPRETRIES

#define ARPRETRIES   (10)

ARPTIMEOUT

#define ARPTIMEOUT   (30)

ASSIGN_FIXED

#define ASSIGN_FIXED   (2)

ASSIGN_FREE

#define ASSIGN_FREE   (0)

ASSIGN_LEASED

#define ASSIGN_LEASED   (1)

DDPTYPE_MACIP

#define DDPTYPE_MACIP   (22)

IPADDR

#define IPADDR

(

e

)

Value:

(e - gMacip.ipent + gMacip.net + 1)

MACIP_ASSIGN

#define MACIP_ASSIGN   (1)

MACIP_ATPRETRIES

#define MACIP_ATPRETRIES   (5)

MACIP_ATPWAIT

#define MACIP_ATPWAIT   (5)

MACIP_GATETYPE

#define MACIP_GATETYPE   "IPGATEWAY"

MACIP_MAXMTU

#define MACIP_MAXMTU   (586)

MACIP_NBPRETRIES

#define MACIP_NBPRETRIES   (5)

MACIP_NBPWAIT

#define MACIP_NBPWAIT   (5)

MACIP_NODETYPE

#define MACIP_NODETYPE   "IPADDRESS"

MACIP_PORT

#define MACIP_PORT   (72)

MACIP_SERVER

#define MACIP_SERVER   (3)

MAXZONES

#define MAXZONES   256

Function Documentation

add_zones()

void add_zones ( short n, char * buf )

static

arp_input()

void arp_input ( struct sockaddr_at * sat, char * buffer, int len )

static

handle name lookup replies, add to arp table

arp_lookup()

int arp_lookup ( struct sockaddr_at * sat, uint32_t ip )

static

find AT address for an IP address

arp_set()

void arp_set ( uint32_t ip, struct sockaddr_at * sat )

static

Set AT address from received packet

cksum()

uint16_t cksum ( char * buffer, int len )

static

config_input()

void config_input ( ATP atp, struct sockaddr_at * faddr, char * packet, int len )

static

handle configuration ATP request

get_ipent()

struct ipent * get_ipent

(

uint32_t

ip

)

get_zones()

int get_zones ( void )

static

icmp_echo()

void icmp_echo ( uint32_t src, uint32_t dst )

static

init_ip()

int init_ip ( uint32_t net, uint32_t mask, uint32_t nameserver )

static

ip_input()

void ip_input ( struct sockaddr_at * sat, char * buffer, int len )

static

handle incoming IP packet

lease_ip()

uint32_t lease_ip ( )

static

aquire a new ip address from the pool

macip_close()

void macip_close

(

void

)

macip_idle()

void macip_idle

(

void

)

time out old arp entries

macip_input()

void macip_input

(

void

)

Handle incoming AT packet

macip_open()

int macip_open	(	char *	zone,
		uint32_t	net,
		uint32_t	mask,
		uint32_t	ns,
		outputfunc_t	o )

macip_output()

void macip_output	(	char *	buffer,
		int	len )

send IP packet through AT

now()

long now ( void )

static

Variable Documentation

gMacip

struct macip_data gMacip

static

gOutput

outputfunc_t gOutput

static

gZones

struct zones gZones

static