97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/* capture_ifinfo.h
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* Definitions for routines to get information about capture interfaces
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __CAPTURE_IFINFO_H__
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#define __CAPTURE_IFINFO_H__
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/*
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* The list of interfaces returned by "get_interface_list()" is
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* a list of these structures.
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*/
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typedef struct {
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char *name; /* e.g. "eth0" */
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char *description; /* from OS, e.g. "Local Area Connection" or NULL */
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GSList *addrs; /* containing address values of if_addr_t */
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gboolean loopback; /* TRUE if loopback, FALSE otherwise */
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} if_info_t;
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/*
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* An address in the "addrs" list.
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*/
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typedef enum {
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IF_AT_IPv4,
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IF_AT_IPv6
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} if_address_type;
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typedef struct {
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if_address_type ifat_type;
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union {
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guint32 ip4_addr; /* 4 byte IP V4 address, or */
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guint8 ip6_addr[16];/* 16 byte IP V6 address */
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} addr;
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} if_addr_t;
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/**
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* Fetch the interface list from a child process.
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*/
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extern GList *capture_interface_list(int *err, char **err_str);
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/* Error values from "get_interface_list()/capture_interface_list()". */
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#define CANT_GET_INTERFACE_LIST 1 /* error getting list */
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#define NO_INTERFACES_FOUND 2 /* list is empty */
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void free_interface_list(GList *if_list);
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/*
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* "get_if_capabilities()" and "capture_if_capabilities()" return a pointer
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* to an allocated instance of this structure. "free_if_capabilities()"
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* frees the returned instance.
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*/
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typedef struct {
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gboolean can_set_rfmon; /* TRUE if can be put into monitor mode */
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GList *data_link_types; /* GList of data_link_info_t's */
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} if_capabilities_t;
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/*
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* Information about data link types.
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*/
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typedef struct {
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int dlt; /* e.g. DLT_EN10MB (which is 1) */
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char *name; /* e.g. "EN10MB" or "DLT 1" */
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char *description; /* descriptive name from wiretap e.g. "Ethernet", NULL if unknown */
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} data_link_info_t;
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/**
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* Fetch the linktype list for the specified interface from a child process.
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*/
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extern if_capabilities_t *
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capture_get_if_capabilities(const char *devname, gboolean monitor_mode,
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char **err_str);
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void free_if_capabilities(if_capabilities_t *caps);
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void add_interface_to_remote_list(if_info_t *if_info);
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#endif /* __CAPTURE_IFINFO_H__ */
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