forked from osmocom/wireshark
117 lines
3.0 KiB
C
117 lines
3.0 KiB
C
/* capture_unix_ifnames.c
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* Routines supporting the use of UN*X friendly interface names, if any,
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* within Wireshark
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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 2001 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <glib.h>
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#include "capture_unix_ifnames.h"
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/*
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* Given an interface name, find the "friendly name" for the interface.
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*/
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#ifdef __APPLE__
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#include <CoreFoundation/CoreFoundation.h>
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#include <SystemConfiguration/SystemConfiguration.h>
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#include "cfutils.h"
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/*
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* On OS X, we do that by getting all the interfaces that the System
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* Configuration framework knows about, look for the one with a "BSD
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* name" matching the interface name, and, if we find it, return its
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* "localized display name", if it has one.
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*/
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char *
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get_unix_interface_friendly_name(const char *ifname)
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{
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CFStringRef ifname_CFString;
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CFArrayRef interfaces;
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CFIndex num_interfaces;
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CFIndex i;
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SCNetworkInterfaceRef interface;
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CFStringRef bsdname_CFString;
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CFStringRef friendly_name_CFString;
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char *friendly_name = NULL;
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interfaces = SCNetworkInterfaceCopyAll();
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if (interfaces == NULL) {
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/*
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* Couldn't get a list of interfaces.
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*/
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return NULL;
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}
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ifname_CFString = CFStringCreateWithCString(kCFAllocatorDefault,
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ifname, kCFStringEncodingUTF8);
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if (ifname_CFString == NULL) {
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/*
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* Couldn't convert the interface name to a CFString.
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*/
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CFRelease(interfaces);
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return NULL;
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}
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num_interfaces = CFArrayGetCount(interfaces);
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for (i = 0; i < num_interfaces; i++) {
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interface = CFArrayGetValueAtIndex(interfaces, i);
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bsdname_CFString = SCNetworkInterfaceGetBSDName(interface);
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if (bsdname_CFString == NULL) {
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/*
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* This interface has no BSD name, so it's not
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* a regular network interface.
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*/
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continue;
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}
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if (CFStringCompare(ifname_CFString, bsdname_CFString, 0) == 0) {
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/*
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* This is the interface.
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*/
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friendly_name_CFString = SCNetworkInterfaceGetLocalizedDisplayName(interface);
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if (friendly_name_CFString != NULL)
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friendly_name = CFString_to_C_string(friendly_name_CFString);
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break;
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}
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}
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CFRelease(interfaces);
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return friendly_name;
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}
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#else /* __APPLE__ */
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/*
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* Nothing supported on other platforms.
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*/
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char *
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get_unix_interface_friendly_name(const char *ifname _U_)
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{
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return NULL;
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}
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#endif /* __APPLE__ */
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