intf.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 <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.

Classes
struct	intf_handle
Defines
#define	NEXTIFR(i)   (i + 1)
Functions
static int	intf_flags_to_iff (u_short flags, int iff)
static u_int	intf_iff_to_flags (int iff)
intf_t *	intf_open (void)
static int	_intf_delete_addrs (intf_t *intf, struct intf_entry *entry)
static int	_intf_delete_aliases (intf_t *intf, struct intf_entry *entry)
static int	_intf_add_aliases (intf_t *intf, const struct intf_entry *entry)
int	intf_set (intf_t *intf, const struct intf_entry *entry)
static void	_intf_set_type (struct intf_entry *entry)
static int	_intf_get_noalias (intf_t *intf, struct intf_entry *entry)
static int	_intf_get_aliases (intf_t *intf, struct intf_entry *entry)
int	intf_get (intf_t *intf, struct intf_entry *entry)
static int	_match_intf_src (const struct intf_entry *entry, void *arg)
int	intf_get_src (intf_t *intf, struct intf_entry *entry, struct addr *src)
int	intf_get_dst (intf_t *intf, struct intf_entry *entry, struct addr *dst)
int	intf_loop (intf_t *intf, intf_handler callback, void *arg)
intf_t *	intf_close (intf_t *intf)

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Define Documentation

#define NEXTIFR (  i   )     (i + 1)

Definition at line 63 of file intf.c. Referenced by _intf_get_aliases(), and intf_loop().

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Function Documentation

static int _intf_add_aliases (  intf_t *  intf, const struct intf_entry *  entry )  [static]

Definition at line 201 of file intf.c. References addr_bcast(), addr_btos(), addr_ntos(), ADDR_TYPE_IP, intf_handle::fd, ifreq::ifr_name, intf_entry::intf_name, memset, snprintf, and strlcpy. Referenced by intf_set().

static int _intf_delete_addrs (  intf_t *  intf, struct intf_entry *  entry )  [static]

Definition at line 141 of file intf.c. References addr_ntos(), addr::addr_type, ADDR_TYPE_IP, intf_entry::intf_addr, intf_entry::intf_dst_addr, intf_entry::intf_name, memset, and strlcpy. Referenced by intf_set().

static int _intf_delete_aliases (  intf_t *  intf, struct intf_entry *  entry )  [static]

Definition at line 168 of file intf.c. References addr_ntos(), intf_handle::fd, ifreq::ifr_name, intf_entry::intf_name, memset, snprintf, and strlcpy. Referenced by intf_set().

static int _intf_get_aliases (  intf_t *  intf, struct intf_entry *  entry )  [static]

Definition at line 472 of file intf.c. References addr_aton, addr::addr_bits, addr_stob(), addr_ston(), addr::addr_type, ADDR_TYPE_ETH, ADDR_TYPE_IP, ADDR_TYPE_IP6, errno, intf_handle::fd6, intf_handle::ifc, intf_entry::intf_addr, intf_entry::intf_alias_num, intf_entry::intf_dst_addr, intf_entry::intf_len, intf_entry::intf_link_addr, intf_entry::intf_name, INTF_NAME_LEN, memcpy, NEXTIFR, NULL, and snprintf. Referenced by intf_get(), and intf_loop().

static int _intf_get_noalias (  intf_t *  intf, struct intf_entry *  entry )  [static]

Definition at line 377 of file intf.c. References _intf_set_type(), addr::addr_bits, addr_pack, addr_stob(), addr_ston(), addr::addr_type, ADDR_TYPE_ETH, ADDR_TYPE_NONE, ETH_ADDR_BITS, ETH_ADDR_LEN, eth_close(), eth_get(), eth_open(), intf_handle::fd, ifreq::ifr_name, intf_entry::intf_addr, intf_entry::intf_dst_addr, intf_entry::intf_flags, intf_iff_to_flags(), intf_entry::intf_link_addr, intf_entry::intf_mtu, intf_entry::intf_name, intf_entry::intf_type, INTF_TYPE_ETH, INTF_TYPE_TUN, NULL, and strlcpy. Referenced by intf_get(), and intf_loop().

static void _intf_set_type (  struct intf_entry *  entry  )  [static]

Definition at line 364 of file intf.c. References INTF_FLAG_BROADCAST, INTF_FLAG_LOOPBACK, INTF_FLAG_POINTOPOINT, intf_entry::intf_flags, intf_entry::intf_type, INTF_TYPE_ETH, INTF_TYPE_LOOPBACK, INTF_TYPE_OTHER, and INTF_TYPE_TUN. Referenced by _intf_get_noalias().

static int _match_intf_src (  const struct intf_entry *  entry, void *  arg )  [static]

Definition at line 572 of file intf.c. References ADDR_TYPE_IP, intf_entry::intf_addr, intf_entry::intf_len, and memcpy. Referenced by intf_get_dst(), and intf_get_src().

intf_t* intf_close (  intf_t *  intf  )

Definition at line 728 of file intf.c. References NULL. Referenced by __pyx_f_4dnet_4intf___dealloc__(), arp_close(), eth_open(), intf_main(), intf_open(), ip_close(), START_TEST(), and tun_close().

static int intf_flags_to_iff (  u_short  flags, int  iff )  [static]

Definition at line 83 of file intf.c. References INTF_FLAG_NOARP, and INTF_FLAG_UP. Referenced by intf_set().

int intf_get (  intf_t *  intf, struct intf_entry *  entry )

Definition at line 557 of file intf.c. References _intf_get_aliases(), _intf_get_noalias(), caddr_t, intf_handle::fd, intf_handle::ifc, and intf_handle::ifcbuf. Referenced by __pyx_f_4dnet_4intf_get(), eth_open(), intf_main(), intf_set(), START_TEST(), and tun_open().

int intf_get_dst (  intf_t *  intf, struct intf_entry *  entry, struct addr *  dst )

Definition at line 601 of file intf.c. References _match_intf_src(), addr_ntos(), addr_ston(), addr::addr_type, ADDR_TYPE_IP, errno, intf_handle::fd, intf_entry::intf_addr, and intf_loop(). Referenced by __pyx_f_4dnet_4intf_get_dst(), and intf_main().

int intf_get_src (  intf_t *  intf, struct intf_entry *  entry, struct addr *  src )

Definition at line 589 of file intf.c. References _match_intf_src(), errno, intf_entry::intf_addr, intf_loop(), and memcpy. Referenced by __pyx_f_4dnet_4intf_get_src(), and intf_main().

static u_int intf_iff_to_flags (  int  iff  )  [static]

Definition at line 98 of file intf.c. References INTF_FLAG_BROADCAST, INTF_FLAG_LOOPBACK, INTF_FLAG_MULTICAST, INTF_FLAG_NOARP, INTF_FLAG_POINTOPOINT, and INTF_FLAG_UP. Referenced by _intf_get_noalias().

int intf_loop (  intf_t *  intf, intf_handler  callback, void *  arg )

Definition at line 682 of file intf.c. References _intf_get_aliases(), _intf_get_noalias(), caddr_t, ifreq::ifr_name, intf_entry::intf_len, intf_entry::intf_name, memset, NEXTIFR, NULL, and strlcpy. Referenced by __pyx_f_4dnet_4intf_loop(), arp_add(), arp_get(), intf_get_dst(), intf_get_src(), intf_main(), and ip_open().

intf_t* intf_open (  void   )

Definition at line 119 of file intf.c. References errno, intf, intf_close(), and NULL. Referenced by __pyx_f_4dnet_4intf___init__(), arp_open(), eth_open(), intf_main(), ip_open(), START_TEST(), and tun_open().

int intf_set (  intf_t *  intf, const struct intf_entry *  entry )

Definition at line 251 of file intf.c. References _intf_add_aliases(), _intf_delete_addrs(), _intf_delete_aliases(), addr_bcast(), addr::addr_bits, addr_btos(), addr_cmp(), addr_ntos(), addr::addr_type, ADDR_TYPE_ETH, ADDR_TYPE_IP, errno, ETH_ADDR_LEN, eth_close(), eth_open(), eth_set(), intf_handle::fd, intf_entry::intf_addr, intf_entry::intf_dst_addr, intf_entry::intf_flags, intf_flags_to_iff(), intf_get(), intf_entry::intf_len, intf_entry::intf_link_addr, intf_entry::intf_mtu, intf_entry::intf_name, memcpy, memset, NULL, and strlcpy. Referenced by __pyx_f_4dnet_4intf_set(), intf_main(), tun_close(), and tun_open().

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