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inet.c File Reference

#include <pcap-stdinc.h>
#include <ctype.h>
#include <errno.h>
#include <memory.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "pcap-int.h"

Go to the source code of this file.

Defines

#define INT_MAX   2147483647
#define ISLOOPBACK(name, flags)

Functions

sockaddr * dup_sockaddr (struct sockaddr *sa, size_t sa_length)
int get_instance (const char *name)
int add_or_find_if (pcap_if_t **curdev_ret, pcap_if_t **alldevs, const char *name, u_int flags, const char *description, char *errbuf)
int add_addr_to_iflist (pcap_if_t **alldevs, char *name, u_int flags, struct sockaddr *addr, size_t addr_size, struct sockaddr *netmask, size_t netmask_size, struct sockaddr *broadaddr, size_t broadaddr_size, struct sockaddr *dstaddr, size_t dstaddr_size, char *errbuf)
int pcap_add_if (pcap_if_t **devlist, char *name, u_int flags, const char *description, char *errbuf)
void pcap_freealldevs (pcap_if_t *alldevs)
 Frees an interface list returned by pcap_findalldevs().

char * pcap_lookupdev (char *errbuf)
 It returns the first valid device in the system.

int pcap_lookupnet (char *device, bpf_u_int32 *netp, bpf_u_int32 *maskp, char *errbuf) const

Variables

const char rcsid[] _U_

Define Documentation

#define INT_MAX   2147483647
 

Definition at line 75 of file inet.c.

Referenced by get_instance().

#define ISLOOPBACK (  name,
flags   ) 
 

Value:

((name)[0] == 'l' && (name)[1] == 'o' && \
    (isdigit((unsigned char)((name)[2])) || (name)[2] == '\0'))

Definition at line 91 of file inet.c.

Referenced by add_or_find_if().

Function Documentation

int add_addr_to_iflist (  pcap_if_t **  alldevs,
char *  name,
u_int  flags,
struct sockaddr *  addr,
size_t  addr_size,
struct sockaddr *  netmask,
size_t  netmask_size,
struct sockaddr *  broadaddr,
size_t  broadaddr_size,
struct sockaddr *  dstaddr,
size_t  dstaddr_size,
char *  errbuf
) 
 

Definition at line 285 of file inet.c.

References add_or_find_if(), pcap_addr::addr, pcap_if::addresses, pcap_addr::broadaddr, pcap_addr::dstaddr, dup_sockaddr(), pcap_addr::netmask, pcap_addr::next, pcap_addr_t, PCAP_ERRBUF_SIZE, pcap_strerror(), and snprintf.

int add_or_find_if (  pcap_if_t **  curdev_ret,
pcap_if_t **  alldevs,
const char *  name,
u_int  flags,
const char *  description,
char *  errbuf
) 
 

Definition at line 132 of file inet.c.

References pcap_if::addresses, pcap_if::description, pcap_if::flags, get_instance(), ISLOOPBACK, pcap_if::name, pcap_if::next, PCAP_ERRBUF_SIZE, PCAP_IF_LOOPBACK, pcap_strerror(), and snprintf.

Referenced by add_addr_to_iflist(), and pcap_add_if().

struct sockaddr* dup_sockaddr (  struct sockaddr *  sa,
size_t  sa_length
) 
 

Definition at line 96 of file inet.c.

Referenced by add_addr_to_iflist().

int get_instance (  const char *  name  )  [static]
 

Definition at line 106 of file inet.c.

References INT_MAX.

Referenced by add_or_find_if().

int pcap_add_if (  pcap_if_t **  devlist,
char *  name,
u_int  flags,
const char *  description,
char *  errbuf
) 
 

Definition at line 397 of file inet.c.

References add_or_find_if().

int pcap_lookupnet (  char *  device,
bpf_u_int32 *  netp,
bpf_u_int32 *  maskp,
char *  errbuf
)  const
 

Definition at line 665 of file inet.c.

References npf_if_addr::IPAddress, MAX_NETWORK_ADDRESSES, PacketGetNetInfoEx(), and npf_if_addr::SubnetMask.

Variable Documentation

const char rcsid [] _U_ [static]
 

Initial value:


    "@(#) $Header: /tcpdump/master/libpcap/inet.c,v 1.58.2.2 2004/04/30 09:07:21 risso Exp $ (LBL)"

Definition at line 36 of file inet.c.

documentation. Copyright (c) 2002-2003 Politecnico di Torino. All rights reserved.