forked from osmocom/wireshark
2ad97737fe
"epan/packet_info.h" and put it in "epan/address.h". Use the AT_ values from "epan/address.h" for address types in the interface lists rather than having our own FAM_ enums. svn path=/trunk/; revision=11427
121 lines
3.3 KiB
C
121 lines
3.3 KiB
C
/* pcap-util.h
|
|
* Utility definitions for packet capture
|
|
*
|
|
* $Id$
|
|
*
|
|
* Ethereal - Network traffic analyzer
|
|
* By Gerald Combs <gerald@ethereal.com>
|
|
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __PCAP_UTIL_H__
|
|
#define __PCAP_UTIL_H__
|
|
|
|
#ifdef HAVE_LIBPCAP
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
#include <epan/address.h>
|
|
|
|
/*
|
|
* XXX - this is also the traditional default snapshot size in
|
|
* tcpdump - but, if IPv6 is enabled, it defaults to 96, to get an
|
|
* IPv6 header + TCP + 22 extra bytes.
|
|
*
|
|
* Some libpcap versions for particular capture devices might happen
|
|
* to impose a minimum, but it's not always 68.
|
|
*/
|
|
#define MIN_PACKET_SIZE 68 /* minimum amount of packet data we can read */
|
|
|
|
#define MAX_WIN_IF_NAME_LEN 511
|
|
|
|
/*
|
|
* The list of interfaces returned by "get_interface_list()" is
|
|
* a list of these structures.
|
|
*/
|
|
typedef struct {
|
|
char *name;
|
|
char *description;
|
|
GSList *ip_addr; /* containing address values */
|
|
gboolean loopback;
|
|
} if_info_t;
|
|
|
|
/*
|
|
* An address in the "ip_addr" list.
|
|
*/
|
|
typedef struct {
|
|
address_type type;
|
|
union {
|
|
guint32 ip4_addr;
|
|
guint8 ip6_addr[16];
|
|
} ip_addr;
|
|
} if_addr_t;
|
|
|
|
GList *get_interface_list(int *err, char *err_str);
|
|
|
|
/* Error values from "get_interface_list()". */
|
|
#define CANT_GET_INTERFACE_LIST 0 /* error getting list */
|
|
#define NO_INTERFACES_FOUND 1 /* list is empty */
|
|
|
|
void free_interface_list(GList *if_list);
|
|
|
|
/*
|
|
* Get an error message string for a CANT_GET_INTERFACE_LIST error from
|
|
* "get_interface_list()".
|
|
*/
|
|
gchar *cant_get_if_list_error_message(const char *err_str);
|
|
|
|
/*
|
|
* The list of data link types returned by "get_pcap_linktype_list()" is
|
|
* a list of these structures.
|
|
*/
|
|
typedef struct {
|
|
int dlt;
|
|
char *name;
|
|
char *description;
|
|
} data_link_info_t;
|
|
|
|
int get_pcap_linktype(pcap_t *pch, char *devname);
|
|
GList *get_pcap_linktype_list(char *devname, char *err_buf);
|
|
void free_pcap_linktype_list(GList *linktype_list);
|
|
const char *set_pcap_linktype(pcap_t *pch, char *devname, int dlt);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
#endif /* HAVE_LIBPCAP */
|
|
|
|
/*
|
|
* Append to a GString an indication of the version of libpcap/WinPcap
|
|
* with which we were compiled, if we were, or an indication that we
|
|
* weren't compiled with libpcap/WinPcap, if we weren't.
|
|
*/
|
|
extern void get_compiled_pcap_version(GString *str);
|
|
|
|
/*
|
|
* Append to a GString an indication of the version of libpcap/WinPcap
|
|
* with which we're running, or an indication that we're not running
|
|
* with libpcap/WinPcap, if we were compiled with libpcap/WinPcap,
|
|
* or nothing, if we weren't compiled with libpcap/WinPcap.
|
|
*/
|
|
extern void get_runtime_pcap_version(GString *str);
|
|
|
|
#endif /* __PCAP_UTIL_H__ */
|