122 lines
3.3 KiB
C
122 lines
3.3 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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* 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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* SPDX-License-Identifier: GPL-2.0-or-later*/
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#ifndef __CAPTURE_IFINFO_H__
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#define __CAPTURE_IFINFO_H__
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#include <glib.h>
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typedef enum {
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IF_WIRED,
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IF_AIRPCAP,
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IF_PIPE,
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IF_STDIN,
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IF_BLUETOOTH,
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IF_WIRELESS,
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IF_DIALUP,
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IF_USB,
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IF_EXTCAP,
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IF_VIRTUAL
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} interface_type;
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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 *friendly_name; /* from OS, e.g. "Local Area Connection", or
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NULL if not available */
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char *vendor_description;
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/* vendor description from pcap_findalldevs(),
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e.g. "Realtek PCIe GBE Family Controller",
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or NULL if not available */
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GSList *addrs; /* containing address values of if_addr_t */
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interface_type type; /* type of interface */
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gboolean loopback; /* TRUE if loopback, FALSE otherwise */
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char *extcap; /* extcap arguments, which present the data to call the extcap interface */
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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, void (*update_cb)(void));
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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 DONT_HAVE_PCAP 2 /* couldn't load WinPcap */
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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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GList *timestamp_types; /* GList of timestamp_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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* Information about timestamp types.
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*/
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typedef struct {
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char *name; /* e.g. "adapter_unsynced" */
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char *description; /* description from libpcap e.g. "Adapter, not synced with system time" */
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} timestamp_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 gchar *devname, gboolean monitor_mode,
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const gchar *auth_string,
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char **err_str, void (*update_cb)(void));
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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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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __CAPTURE_IFINFO_H__ */
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