cc05b9250d
interface by running dumpcap, so that if you need privileges to open an interface, and dumpcap has those privileges, neither TShark nor Wireshark need them. svn path=/trunk/; revision=32710
82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
/* capture-pcap-util.h
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* Utility definitions for packet capture
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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_PCAP_UTIL_H__
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#define __CAPTURE_PCAP_UTIL_H__
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#ifdef HAVE_LIBPCAP
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#include <pcap.h>
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/*
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* A snapshot length of 0 is useless - and libpcap/WinPcap don't guarantee
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* that a snapshot length of 0 will work, and, on some platforms, it won't
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* (with BPF, for example, the kernel is told the snapshot length via the
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* return value of the BPF program, and a return value of 0 means "drop
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* the packet"), so the minimum packet size is 1 byte.
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*/
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#define MIN_PACKET_SIZE 1 /* minimum amount of packet data we can read */
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GList *get_interface_list(int *err, char **err_str);
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#ifdef HAVE_PCAP_REMOTE
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GList *get_remote_interface_list(const char *hostname, const char *port,
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int auth_type, const char *username,
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const char *passwd, int *err, char **err_str);
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#endif
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/* get/set the link type of an interface */
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/* (only used in capture_loop.c / capture-pcap-util.c) */
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int get_pcap_linktype(pcap_t *pch, const char *devname);
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const char *linktype_val_to_name(int dlt);
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int linktype_name_to_val(const char *linktype);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* HAVE_LIBPCAP */
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/*
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* Append to a GString an indication of the version of libpcap/WinPcap
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* with which we were compiled, if we were, or an indication that we
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* weren't compiled with libpcap/WinPcap, if we weren't.
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*/
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extern void get_compiled_pcap_version(GString *str);
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/*
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* Append to a GString an indication of the version of libpcap/WinPcap
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* with which we're running, or an indication that we're not running
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* with libpcap/WinPcap, if we were compiled with libpcap/WinPcap,
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* or nothing, if we weren't compiled with libpcap/WinPcap.
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*/
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extern void get_runtime_pcap_version(GString *str);
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#endif /* __CAPTURE_PCAP_UTIL_H__ */
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