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