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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 (errbuf) register char *errbuf

Variables

const char rcsid []
register bpf_u_int32netp
register bpf_u_int32maskp
register char * errbuf


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 300 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_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_close(), PCAP_IF_LOOPBACK, pcap_open_live(), pcap_strerror(), pcap_t, 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.

References dup_sockaddr().

Referenced by add_addr_to_iflist(), and dup_sockaddr().

int get_instance const char *    name [static]
 

Definition at line 106 of file inet.c.

References INT_MAX, and n.

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 412 of file inet.c.

References add_or_find_if().

void pcap_freealldevs pcap_if_t   alldevsp
 

Frees an interface list returned by pcap_findalldevs().

pcap_freealldevs() is used to free a list allocated by pcap_findalldevs().

See also:
pcap_findalldevs()

Definition at line 426 of file inet.c.

References pcap_addr::addr, pcap_if::addresses, pcap_addr::broadaddr, pcap_if::description, pcap_addr::dstaddr, pcap_if::name, pcap_addr::netmask, pcap_addr::next, and pcap_if::next.

Referenced by daemon_findalldevs(), and main().

char* pcap_lookupdev errbuf   
 


Variable Documentation

register char* errbuf
 

Definition at line 632 of file inet.c.

Referenced by daemon_serviceloop(), daemon_thrdatamain(), main(), main_active(), main_passive(), main_startup(), pcap_win32strerror(), rpcap_checkmsg(), sock_bufferize(), sock_check_hostlist(), sock_getascii_addrport(), sock_geterror(), sock_init(), sock_initaddress(), sock_open(), sock_present2network(), and sock_recv().

register bpf_u_int32 * maskp
 

Definition at line 631 of file inet.c.

Referenced by PacketGetNetInfo().

register bpf_u_int32* netp
 

Definition at line 631 of file inet.c.

Referenced by PacketGetNetInfo().

const char rcsid[] [static]
 

Initial value:

    "@(#) $Header: /tcpdump/master/libpcap/inet.c,v 1.54 2002/12/22 02:36:48 guy Exp $ (LBL)"

Definition at line 36 of file inet.c.


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