/*
* Function: copy_present_interface
* Purpose:
* Check the list of interfaces on the system, and find the one corresponding
* to the specified BSD name.
*/
STATIC SCNetworkInterfaceRef
copy_present_interface(CFStringRef if_name)
{
int count = 0;
int i;
CFArrayRef list;
SCNetworkInterfaceRef ret = NULL;
list = SCNetworkInterfaceCopyAll();
if (list != NULL) {
count = CFArrayGetCount(list);
}
if (count == 0) {
goto done;
}
for (i = 0; i < count; i++) {
SCNetworkInterfaceRef this_if;
CFStringRef this_if_name;
this_if = (SCNetworkInterfaceRef)CFArrayGetValueAtIndex(list, i);
this_if_name = SCNetworkInterfaceGetBSDName(this_if);
if (this_if_name == NULL) {
continue;
}
if (CFEqual(if_name, this_if_name)) {
ret = this_if;
CFRetain(ret);
break;
}
}
done:
my_CFRelease(&list);
return (ret);
}
* maybe kSCNetworkInterfaceTypeWWAN means IF_DIALUP
*/
static void
add_unix_interface_ifinfo(if_info_t *if_info, const char *name,
const char *description _U_)
{
CFStringRef name_CFString;
CFArrayRef interfaces;
CFIndex num_interfaces;
CFIndex i;
SCNetworkInterfaceRef interface;
CFStringRef bsdname_CFString;
CFStringRef friendly_name_CFString;
CFStringRef interface_type_CFString;
interfaces = SCNetworkInterfaceCopyAll();
if (interfaces == NULL) {
/*
* Couldn't get a list of interfaces.
*/
return;
}
name_CFString = CFStringCreateWithCString(kCFAllocatorDefault,
name, kCFStringEncodingUTF8);
if (name_CFString == NULL) {
/*
* Couldn't convert the interface name to a CFString.
*/
CFRelease(interfaces);
return;