fw-ipchains.c File Reference

#include "config.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/tcp.h>
#include <netinet/udp.h>
#include <netinet/ip_icmp.h>
#include <linux/if.h>
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "dnet.h"

Go to the source code of this file.

Defines
#define	PROC_IPCHAINS_FILE   "/proc/net/ip_fwchains"
Functions
static void	fr_to_fwc (const struct fw_rule *fr, struct ip_fwchange *fwc)
static void	fwc_to_fr (const struct ip_fwchange *fwc, struct fw_rule *fr)
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)
int	fw_loop (fw_t *fw, fw_handler callback, void *arg)
fw_t *	fw_close (fw_t *fw)

---

Define Documentation

#define PROC_IPCHAINS_FILE   "/proc/net/ip_fwchains"

Definition at line 38 of file fw-ipchains.c. Referenced by fw_loop().

---

Function Documentation

static void fr_to_fwc (  const struct fw_rule *  fr, struct ip_fwchange *  fwc )  [static]

Definition at line 45 of file fw-ipchains.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().

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

Definition at line 127 of file fw-ipchains.c. References fr_to_fwc().

fw_t* fw_close (  fw_t *  fw  )

Definition at line 219 of file fw-ipchains.c. References fw_handle::fd, and NULL.

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

Definition at line 138 of file fw-ipchains.c. References fr_to_fwc().

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

Definition at line 149 of file fw-ipchains.c. References fwc_to_fr(), NULL, and PROC_IPCHAINS_FILE.

fw_t* fw_open (  void   )

Definition at line 115 of file fw-ipchains.c. References fw_close(), and NULL.

static void fwc_to_fr (  const struct ip_fwchange *  fwc, struct fw_rule *  fr )  [static]

Definition at line 81 of file fw-ipchains.c. References addr_mtob(), ADDR_TYPE_IP, FW_DIR_IN, FW_DIR_OUT, FW_OP_ALLOW, FW_OP_BLOCK, IP_ADDR_LEN, memset, and strlcpy. Referenced by fw_loop().

---