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/* capture_ifinfo.h
* Definitions for routines to get information about capture interfaces
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __CAPTURE_IFINFO_H__
#define __CAPTURE_IFINFO_H__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include <glib.h>
typedef enum {
IF_WIRED,
IF_AIRPCAP,
IF_PIPE,
IF_STDIN,
IF_BLUETOOTH,
IF_WIRELESS,
IF_DIALUP,
IF_USB,
#ifdef HAVE_EXTCAP
IF_EXTCAP,
#endif
IF_VIRTUAL
} interface_type;
/*
* The list of interfaces returned by "get_interface_list()" is
* a list of these structures.
*/
typedef struct {
char *name; /* e.g. "eth0" */
char *friendly_name; /* from OS, e.g. "Local Area Connection", or
NULL if not available */
char *vendor_description;
/* vendor description from pcap_findalldevs(),
e.g. "Realtek PCIe GBE Family Controller",
or NULL if not available */
GSList *addrs; /* containing address values of if_addr_t */
interface_type type; /* type of interface */
gboolean loopback; /* TRUE if loopback, FALSE otherwise */
#ifdef HAVE_EXTCAP
char *extcap; /* extcap arguments, which present the data to call the extcap interface */
#endif
} if_info_t;
/*
* An address in the "addrs" list.
*/
typedef enum {
IF_AT_IPv4,
IF_AT_IPv6
} if_address_type;
typedef struct {
if_address_type ifat_type;
union {
guint32 ip4_addr; /* 4 byte IP V4 address, or */
guint8 ip6_addr[16];/* 16 byte IP V6 address */
} addr;
} if_addr_t;
/**
* Fetch the interface list from a child process.
*/
extern GList *capture_interface_list(int *err, char **err_str, void (*update_cb)(void));
/* Error values from "get_interface_list()/capture_interface_list()". */
#define CANT_GET_INTERFACE_LIST 1 /* error getting list */
#define DONT_HAVE_PCAP 2 /* couldn't load WinPcap */
void free_interface_list(GList *if_list);
/*
* "get_if_capabilities()" and "capture_if_capabilities()" return a pointer
* to an allocated instance of this structure. "free_if_capabilities()"
* frees the returned instance.
*/
typedef struct {
gboolean can_set_rfmon; /* TRUE if can be put into monitor mode */
GList *data_link_types; /* GList of data_link_info_t's */
GList *timestamp_types; /* GList of timestamp_info_t's */
} if_capabilities_t;
/*
* Information about data link types.
*/
typedef struct {
int dlt; /* e.g. DLT_EN10MB (which is 1) */
char *name; /* e.g. "EN10MB" or "DLT 1" */
char *description; /* descriptive name from wiretap e.g. "Ethernet", NULL if unknown */
} data_link_info_t;
/*
* Information about timestamp types.
*/
typedef struct {
char *name; /* e.g. "adapter_unsynced" */
char *description; /* description from libpcap e.g. "Adapter, not synced with system time" */
} timestamp_info_t;
/**
* Fetch the linktype list for the specified interface from a child process.
*/
extern if_capabilities_t *
capture_get_if_capabilities(const gchar *devname, gboolean monitor_mode,
const gchar *auth_string,
char **err_str, void (*update_cb)(void));
void free_if_capabilities(if_capabilities_t *caps);
void add_interface_to_remote_list(if_info_t *if_info);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __CAPTURE_IFINFO_H__ */
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