fw-ipf.c File Reference

#include "config.h"
#include <sys/param.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/ip_compat.h>
#include <netinet/ip_fil.h>
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "dnet.h"

Go to the source code of this file.

Classes
struct	fw_handle
Defines
#define	_NETINET_IP6_H_
#define	ip_t   ipf_ip_t
#define	KMEM_NAME   "/dev/kmem"
#define	fi_saddr   fi_src.s_addr
#define	fi_daddr   fi_dst.s_addr
Functions
static void	rule_to_ipf (const struct fw_rule *rule, struct frentry *fr)
static void	ipf_ports_to_rule (uint8_t cmp, uint16_t port, uint16_t top, uint16_t *range)
static void	ipf_to_rule (const struct frentry *fr, struct fw_rule *rule)
fw_t *	fw_open (void)
int	fw_add (fw_t *fw, const struct fw_rule *rule)
int	fw_delete (fw_t *fw, const struct fw_rule *rule)
static int	fw_kcopy (fw_t *fw, u_char *buf, off_t pos, size_t n)
int	fw_loop (fw_t *fw, fw_handler callback, void *arg)
fw_t *	fw_close (fw_t *fw)

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Define Documentation

#define _NETINET_IP6_H_

Definition at line 18 of file fw-ipf.c.

#define fi_daddr   fi_dst.s_addr

Definition at line 43 of file fw-ipf.c.

#define fi_saddr   fi_src.s_addr

Definition at line 42 of file fw-ipf.c.

#define ip_t   ipf_ip_t

Definition at line 20 of file fw-ipf.c.

#define KMEM_NAME   "/dev/kmem"

Definition at line 37 of file fw-ipf.c. Referenced by fw_open().

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Function Documentation

int fw_add (  fw_t *  fw, const struct fw_rule *  rule )

Definition at line 194 of file fw-ipf.c. References NULL, and rule_to_ipf().

fw_t* fw_close (  fw_t *  fw  )

Definition at line 271 of file fw-ipf.c. References NULL.

int fw_delete (  fw_t *  fw, const struct fw_rule *  rule )

Definition at line 206 of file fw-ipf.c. References NULL, and rule_to_ipf().

static int fw_kcopy (  fw_t *  fw, u_char *  buf, off_t  pos, size_t  n )  [static]

Definition at line 218 of file fw-ipf.c. References lseek. Referenced by fw_loop().

int fw_loop (  fw_t *  fw, fw_handler  callback, void *  arg )

Definition at line 235 of file fw-ipf.c. References fw_handle::fd, fw_kcopy(), ipf_to_rule(), memset, and NULL.

fw_t* fw_open (  void   )

Definition at line 179 of file fw-ipf.c. References fw_close(), KMEM_NAME, and NULL.

static void ipf_ports_to_rule (  uint8_t  cmp, uint16_t  port, uint16_t  top, uint16_t *  range )  [static]

Definition at line 103 of file fw-ipf.c. References TCP_PORT_MAX. Referenced by ipf_to_rule().

static void ipf_to_rule (  const struct frentry *  fr, struct fw_rule *  rule )  [static]

Definition at line 144 of file fw-ipf.c. References addr_mtob(), ADDR_TYPE_IP, FW_DIR_IN, FW_DIR_OUT, FW_OP_ALLOW, FW_OP_BLOCK, IP_ADDR_LEN, ipf_ports_to_rule(), memset, and strlcpy. Referenced by fw_loop().

static void rule_to_ipf (  const struct fw_rule *  rule, struct frentry *  fr )  [static]

Definition at line 52 of file fw-ipf.c. References addr::addr_bits, addr_btom(), fw_rule::fw_device, fw_rule::fw_dir, FW_DIR_IN, fw_rule::fw_dport, fw_rule::fw_dst, fw_rule::fw_op, FW_OP_ALLOW, fw_rule::fw_proto, fw_rule::fw_sport, fw_rule::fw_src, IFNAMSIZ, IP_ADDR_LEN, memset, and strlcpy. Referenced by fw_add(), and fw_delete().

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