]> git.saurik.com Git - apple/configd.git/blobdiff - SystemConfiguration.fproj/SCNetworkInterface.c
configd-1061.40.2.tar.gz
[apple/configd.git] / SystemConfiguration.fproj / SCNetworkInterface.c
index a9cbfc0476d746597e02faa9739708baf6eb5a7d..32c6c61f2441e9da698d9b9a79726a6a1cc18ff0 100644 (file)
@@ -1,15 +1,15 @@
 /*
- * Copyright (c) 2004-2012 Apple Inc. All rights reserved.
+ * Copyright (c) 2004-2019 Apple Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
- * 
+ *
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
  * compliance with the License. Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this
  * file.
- * 
+ *
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -17,7 +17,7 @@
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
- * 
+ *
  * @APPLE_LICENSE_HEADER_END@
  */
 
  */
 
 
-#include <Availability.h>
 #include <TargetConditionals.h>
 #include <CoreFoundation/CoreFoundation.h>
 #include <CoreFoundation/CFRuntime.h>
-#include <SystemConfiguration/SystemConfiguration.h>
 #include "SCNetworkConfigurationInternal.h"
-#include <SystemConfiguration/SCValidation.h>
-#include <SystemConfiguration/SCPrivate.h>
 #include "SCPreferencesInternal.h"
 #include "SCHelper_client.h"
+#include "plugin_shared.h"
 
 #if    !TARGET_OS_IPHONE
 #include <EAP8021X/EAPClientProperties.h>
 #include <IOKit/network/IOEthernetInterface.h> // for kIOEthernetInterfaceClass
 #include <IOKit/serial/IOSerialKeys.h>
 #include <IOKit/storage/IOStorageDeviceCharacteristics.h>
-#include <IOKit/usb/USB.h>
+#if    !TARGET_OS_SIMULATOR
+#include <IOKit/usb/IOUSBLib.h>
+#endif // !TARGET_OS_SIMULATOR
 
 #include "dy_framework.h"
 
-#ifndef        kIODeviceSupportsHoldKey
-#define        kIODeviceSupportsHoldKey        "V92Modem"
-#endif
-
 #ifndef        kPCIThunderboltString
 #define kPCIThunderboltString          "PCI-Thunderbolt"
 #endif
 
-#ifndef        kUSBProductString
-#define kUSBProductString              "USB Product Name"
-#endif
+#if    TARGET_OS_OSX
+#ifndef        kUSBSupportsIPhoneOS
+#define kUSBSupportsIPhoneOS           "SupportsIPhoneOS"
+#endif // !kUSBSupportsIPhoneOS
+#endif // TARGET_OS_OSX
 
 #ifndef        kIOUserEthernetInterfaceRoleKey
 #define        kIOUserEthernetInterfaceRoleKey "InterfaceRole"
 #endif
 
+#ifndef        kIOUSBHostInterfaceClassName
+#define kIOUSBHostInterfaceClassName   "IOUSBHostInterface"
+#endif
+
 #include <string.h>
+#include <sysdir.h>
 #include <mach/mach.h>
 #include <net/if.h>
 #include <net/if_types.h>
+#include <net/if_dl.h>
 #include <net/route.h>
+#include <sys/ioctl.h>
 #include <sys/param.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/stat.h>
 #include <sys/sysctl.h>
 #include <pthread.h>
-#include <NSSystemDirectories.h>
+#include <ifaddrs.h>
 
+/* CrashReporter "Application Specific Information" */
+#include <CrashReporterClient.h>
 
-static CFStringRef     copy_interface_string                   (CFBundleRef bundle, CFStringRef key, Boolean localized);
-static CFStringRef     __SCNetworkInterfaceCopyDescription     (CFTypeRef cf);
-static void            __SCNetworkInterfaceDeallocate          (CFTypeRef cf);
-static Boolean         __SCNetworkInterfaceEqual               (CFTypeRef cf1, CFTypeRef cf2);
-static CFHashCode      __SCNetworkInterfaceHash                (CFTypeRef cf);
+
+static CFStringRef     copy_interface_string                           (CFBundleRef bundle, CFStringRef key, Boolean localized);
+static CFStringRef     __SCNetworkInterfaceCopyDescription             (CFTypeRef cf);
+static CFStringRef     __SCNetworkInterfaceCopyFormattingDescription   (CFTypeRef cf, CFDictionaryRef formatOptions);
+static void            __SCNetworkInterfaceDeallocate                  (CFTypeRef cf);
+static Boolean         __SCNetworkInterfaceEqual                       (CFTypeRef cf1, CFTypeRef cf2);
+static CFHashCode      __SCNetworkInterfaceHash                        (CFTypeRef cf);
+static void            __SCNetworkInterfaceCacheAdd                    (CFStringRef bsdName, CFArrayRef matchingInterfaces);
+static Boolean         __SCNetworkInterfaceCacheIsOpen                 (void);
+static CFArrayRef      __SCNetworkInterfaceCacheCopy                   (CFStringRef bsdName);
 
 
 enum {
-       kSortInternalModem,
+       kSortInternalModem      = 0,
        kSortUSBModem,
        kSortModem,
        kSortBluetooth,
@@ -123,6 +134,8 @@ enum {
        kSortBluetoothPAN_GN,
        kSortBluetoothPAN_NAP,
        kSortBluetoothPAN_U,
+       kSortThunderbolt,
+       kSortCarPlay,
        kSortBond,
        kSortBridge,
        kSortVLAN,
@@ -130,6 +143,34 @@ enum {
 };
 
 
+static const char *sortOrderName[]     = {
+       "InternalModem",
+       "USBModem",
+       "Modem",
+       "Bluetooth",
+       "IrDA",
+       "SerialPort",
+       "WWAN",
+       "EthernetPPP",
+       "AirportPPP",
+       "Ethernet",
+       "FireWire",
+       "AirPort",
+       "OtherWireless",
+       "Tethered",
+       "WWANEthernet",
+       "BluetoothPAN_GN",
+       "BluetoothPAN_NAP",
+       "BluetoothPAN_U",
+       "Thunderbolt",
+       "CarPlay",
+       "Bond",
+       "Bridge",
+       "VLAN",
+       "Unknown"
+};
+
+
 const CFStringRef kSCNetworkInterfaceType6to4          = CFSTR("6to4");
 const CFStringRef kSCNetworkInterfaceTypeBluetooth     = CFSTR("Bluetooth");
 const CFStringRef kSCNetworkInterfaceTypeBond          = CFSTR("Bond");
@@ -152,93 +193,26 @@ const CFStringRef kSCNetworkInterfaceTypeWWAN             = CFSTR("WWAN");
 const CFStringRef kSCNetworkInterfaceTypeIPv4          = CFSTR("IPv4");
 
 static SCNetworkInterfacePrivate __kSCNetworkInterfaceIPv4     = {
-       INIT_CFRUNTIME_BASE(),                  // cfBase
-       NULL,                                   // interface type
-       NULL,                                   // name
-       NULL,                                   // localized name
-       NULL,                                   // localization key
-       NULL,                                   // localization arg1
-       NULL,                                   // localization arg2
-       NULL,                                   // [layered] interface
-       NULL,                                   // prefs
-       NULL,                                   // store
-       NULL,                                   // serviceID
-       NULL,                                   // unsaved
-       NULL,                                   // entity_device
-       NULL,                                   // entity_device_unique
-       NULL,                                   // entity_type
-       NULL,                                   // entity_subtype
-       NULL,                                   // supported_interface_types
-       NULL,                                   // supported_protocol_types
-       NULL,                                   // address
-       NULL,                                   // addressString
-       FALSE,                                  // builtin
-       NULL,                                   // configurationAction
-       FALSE,                                  // hidden
-       NULL,                                   // location
-       NULL,                                   // path
-       0,                                      // entryID
-       NULL,                                   // overrides
-       FALSE,                                  // modemIsV92
-       NULL,                                   // type
-       NULL,                                   // unit
-       { NULL, 0, 0 },                         // usb { name, vid, pid }
-       kSortUnknown,                           // sort_order
-       FALSE,                                  // supportsBond
-       { NULL, NULL, NULL },                   // bond { interfaces, options, mode }
-       FALSE,                                  // supportsBridge
-       { NULL, NULL },                         // bridge { interfaces, options }
-       FALSE,                                  // supportsVLAN
-       { NULL, NULL, NULL }                    // vlan { interface, tag, options }
+       .cfBase         = INIT_CFRUNTIME_BASE(),        // cfBase
+       .sort_order     = kSortUnknown,                 // sort_order
 };
 
 const SCNetworkInterfaceRef kSCNetworkInterfaceIPv4    = (SCNetworkInterfaceRef)&__kSCNetworkInterfaceIPv4;
 
 static SCNetworkInterfacePrivate __kSCNetworkInterfaceLoopback = {
-       INIT_CFRUNTIME_BASE(),                  // cfBase
-       NULL,                                   // interface type
-       NULL,                                   // name
-       NULL,                                   // localized name
-       NULL,                                   // localization key
-       NULL,                                   // localization arg1
-       NULL,                                   // localization arg2
-       NULL,                                   // [layered] interface
-       NULL,                                   // prefs
-       NULL,                                   // store
-       NULL,                                   // serviceID
-       NULL,                                   // unsaved
-       NULL,                                   // entity_device
-       NULL,                                   // entity_device_unique
-       NULL,                                   // entity_type
-       NULL,                                   // entity_subtype
-       NULL,                                   // supported_interface_types
-       NULL,                                   // supported_protocol_types
-       NULL,                                   // address
-       NULL,                                   // addressString
-       FALSE,                                  // builtin
-       NULL,                                   // configurationAction
-       FALSE,                                  // hidden
-       NULL,                                   // location
-       NULL,                                   // path
-       0,                                      // entryID
-       NULL,                                   // overrides
-       FALSE,                                  // modemIsV92
-       NULL,                                   // type
-       NULL,                                   // unit
-       { NULL, 0, 0 },                         // usb { name, vid, pid }
-       kSortUnknown,                           // sort_order
-       FALSE,                                  // supportsBond
-       { NULL, NULL, NULL },                   // bond { interfaces, options, mode }
-       FALSE,                                  // supportsBridge
-       { NULL, NULL },                         // bridge { interfaces, options }
-       FALSE,                                  // supportsVLAN
-       { NULL, NULL, NULL }                    // vlan { interface, tag, options }
+       .cfBase         = INIT_CFRUNTIME_BASE(),        // cfBase
+       .sort_order     = kSortUnknown,                 // sort_order
 };
 
 const SCNetworkInterfaceRef kSCNetworkInterfaceLoopback        = (SCNetworkInterfaceRef)&__kSCNetworkInterfaceLoopback;
 
 static CFMutableSetRef vendor_interface_types  = NULL;
 
+// A thread-specific convenience cache of all interfaces matching a bsd name
+// Key: CFStringRef (BSD name)
+// Value: CFArrayRef (matching interfaces)
+static __thread CFMutableDictionaryRef S_interface_cache = NULL;
+
 #pragma mark -
 #pragma mark SCNetworkInterface configuration details
 
@@ -269,32 +243,47 @@ static const struct {
        const CFStringRef       *ppp_subtype;
        uint32_t                supported_protocols;
 } configurations[] = {
-       // interface type                         entity_hardware    if config? interface types PPP sub-type                            interface protocols
-       // =====================================  =================  ========== =============== ======================================= =========================================
-       { &kSCNetworkInterfaceType6to4          , &kSCEntNet6to4    , FALSE,    doNone,         NULL,                                   doIPv6                                  },
-       { &kSCNetworkInterfaceTypeBluetooth     , &kSCEntNetModem   , FALSE,    doPPP,          &kSCValNetInterfaceSubTypePPPSerial,    doNone                                  },
-       { &kSCNetworkInterfaceTypeBond          , &kSCEntNetEthernet, TRUE ,    doNone,         NULL,                                   doDNS|doIPv4|doIPv6|doProxies|doSMB     },
-       { &kSCNetworkInterfaceTypeBridge        , &kSCEntNetEthernet, TRUE ,    doNone,         NULL,                                   doDNS|doIPv4|doIPv6|doProxies|doSMB     },
-       { &kSCNetworkInterfaceTypeEthernet      , &kSCEntNetEthernet, TRUE ,    doPPP,          &kSCValNetInterfaceSubTypePPPoE,        doDNS|doIPv4|doIPv6|doProxies|doSMB     },
-       { &kSCNetworkInterfaceTypeFireWire      , &kSCEntNetFireWire, TRUE ,    doNone,         NULL,                                   doDNS|doIPv4|doIPv6|doProxies|doSMB     },
-       { &kSCNetworkInterfaceTypeIEEE80211     , &kSCEntNetAirPort , TRUE ,    doPPP,          &kSCValNetInterfaceSubTypePPPoE,        doDNS|doIPv4|doIPv6|doProxies|doSMB     },
-       { &kSCNetworkInterfaceTypeIPSec         , &kSCEntNetIPSec   , FALSE,    doNone,         NULL,                                   doDNS|doIPv4|doIPv6|doProxies|doSMB     },
-       { &kSCNetworkInterfaceTypeIrDA          , &kSCEntNetModem   , FALSE,    doPPP,          &kSCValNetInterfaceSubTypePPPSerial,    doNone                                  },
-       { &kSCNetworkInterfaceTypeL2TP          , NULL              , FALSE,    doPPP,          &kSCValNetInterfaceSubTypeL2TP,         doNone                                  },
-       { &kSCNetworkInterfaceTypeModem         , &kSCEntNetModem   , FALSE,    doPPP,          &kSCValNetInterfaceSubTypePPPSerial,    doNone                                  },
-       { &kSCNetworkInterfaceTypePPP           , &kSCEntNetPPP     , FALSE,    doNone,         NULL,                                   doDNS|doIPv4|doIPv6|doProxies|doSMB     },
-       { &kSCNetworkInterfaceTypePPTP          , NULL              , FALSE,    doPPP,          &kSCValNetInterfaceSubTypePPTP,         doNone                                  },
-       { &kSCNetworkInterfaceTypeSerial        , &kSCEntNetModem   , FALSE,    doPPP,          &kSCValNetInterfaceSubTypePPPSerial,    doNone                                  },
-       { &kSCNetworkInterfaceTypeVLAN          , &kSCEntNetEthernet, TRUE ,    doNone,         NULL,                                   doDNS|doIPv4|doIPv6|doProxies|doSMB     },
-       { &kSCNetworkInterfaceTypeVPN           , &kSCEntNetVPN     , FALSE,    doNone,         NULL,                                   doDNS|doIPv4|doIPv6|doProxies|doSMB     },
-       { &kSCNetworkInterfaceTypeWWAN          , &kSCEntNetModem   , FALSE,    doPPP,          &kSCValNetInterfaceSubTypePPPSerial,    doNone                                  },
-       // =====================================  =================  ========== =============== ======================================= =========================================
-       { &kSCNetworkInterfaceTypeLoopback      , NULL              , TRUE ,    doNone,         NULL,                                   doIPv4|doIPv6                           },
-       // =====================================  =================  ========== =============== ======================================= =========================================
-       { &kSCNetworkInterfaceTypeIPv4          , NULL              , FALSE,    doOverIP,       NULL,                                   doNone                                  }
+       // interface type                         entity_hardware      if config? interface types PPP sub-type                          interface protocols
+       // =====================================  ==================== ========== =============== ======================================= =========================================
+       { &kSCNetworkInterfaceType6to4          , &kSCEntNet6to4      , FALSE,  doNone,         NULL,                                   doIPv6                                  },
+       { &kSCNetworkInterfaceTypeBluetooth     , &kSCEntNetModem     , FALSE,  doPPP,          &kSCValNetInterfaceSubTypePPPSerial,    doNone                                  },
+       { &kSCNetworkInterfaceTypeBond          , &kSCEntNetEthernet  , TRUE ,  doNone,         NULL,                                   doDNS|doIPv4|doIPv6|doProxies|doSMB     },
+       { &kSCNetworkInterfaceTypeBridge        , &kSCEntNetEthernet  , TRUE ,  doNone,         NULL,                                   doDNS|doIPv4|doIPv6|doProxies|doSMB     },
+       { &kSCNetworkInterfaceTypeEthernet      , &kSCEntNetEthernet  , TRUE ,  doPPP,          &kSCValNetInterfaceSubTypePPPoE,        doDNS|doIPv4|doIPv6|doProxies|doSMB     },
+       { &kSCNetworkInterfaceTypeFireWire      , &kSCEntNetFireWire  , TRUE ,  doNone,         NULL,                                   doDNS|doIPv4|doIPv6|doProxies|doSMB     },
+       { &kSCNetworkInterfaceTypeIEEE80211     , &kSCEntNetAirPort   , TRUE ,  doPPP,          &kSCValNetInterfaceSubTypePPPoE,        doDNS|doIPv4|doIPv6|doProxies|doSMB     },
+       { &kSCNetworkInterfaceTypeIPSec         , &kSCEntNetIPSec     , FALSE,  doNone,         NULL,                                   doDNS|doIPv4|doIPv6|doProxies|doSMB     },
+       { &kSCNetworkInterfaceTypeIrDA          , &kSCEntNetModem     , FALSE,  doPPP,          &kSCValNetInterfaceSubTypePPPSerial,    doNone                                  },
+       { &kSCNetworkInterfaceTypeL2TP          , NULL                , FALSE,  doPPP,          &kSCValNetInterfaceSubTypeL2TP,         doNone                                  },
+       { &kSCNetworkInterfaceTypeModem         , &kSCEntNetModem     , FALSE,  doPPP,          &kSCValNetInterfaceSubTypePPPSerial,    doNone                                  },
+       { &kSCNetworkInterfaceTypePPP           , &kSCEntNetPPP       , FALSE,  doNone,         NULL,                                   doDNS|doIPv4|doIPv6|doProxies|doSMB     },
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated"
+       { &kSCNetworkInterfaceTypePPTP          , NULL                , FALSE,  doPPP,          &kSCValNetInterfaceSubTypePPTP,         doNone                                  },
+#pragma GCC diagnostic pop
+       { &kSCNetworkInterfaceTypeSerial        , &kSCEntNetModem     , FALSE,  doPPP,          &kSCValNetInterfaceSubTypePPPSerial,    doNone                                  },
+       { &kSCNetworkInterfaceTypeVLAN          , &kSCEntNetEthernet  , TRUE ,  doNone,         &kSCValNetInterfaceSubTypePPPoE,        doDNS|doIPv4|doIPv6|doProxies|doSMB     },
+       { &kSCNetworkInterfaceTypeVPN           , &kSCEntNetVPN       , FALSE,  doNone,         NULL,                                   doDNS|doIPv4|doIPv6|doProxies|doSMB     },
+       { &kSCNetworkInterfaceTypeWWAN          , &kSCEntNetModem     , FALSE,  doPPP,          &kSCValNetInterfaceSubTypePPPSerial,    doNone                                  },
+       // =====================================  =================== ========== =============== ======================================= =========================================
+       { &kSCNetworkInterfaceTypeLoopback      , NULL                , TRUE ,  doNone,         NULL,                                   doIPv4|doIPv6                           },
+       // =====================================  =================== ========== =============== ======================================= =========================================
+       { &kSCNetworkInterfaceTypeIPv4          , NULL                , FALSE,  doOverIP,       NULL,                                   doNone                                  }
 };
 
 
+#define kSCNetworkInterfaceActive                      "Active"
+#define kSCNetworkInterfaceInfo                                "SCNetworkInterfaceInfo"
+#define kSCNetworkInterfaceType                                "SCNetworkInterfaceType"
+#define kSCNetworkInterfaceBSDName                     kIOBSDNameKey
+#define kSCNetworkInterfaceIOBuiltin                   kIOBuiltin
+#define kSCNetworkInterfaceIOInterfaceNamePrefix       kIOInterfaceNamePrefix
+#define kSCNetworkInterfaceIOInterfaceType             kIOInterfaceType
+#define kSCNetworkInterfaceIOInterfaceUnit             kIOInterfaceUnit
+#define kSCNetworkInterfaceIOMACAddress                        kIOMACAddress
+#define kSCNetworkInterfaceIOPathMatch                 kIOPathMatchKey
+
+
 #define        NETWORKINTERFACE_LOCALIZATIONS  CFSTR("NetworkInterface")
 static CFBundleRef bundle                      = NULL;
 
@@ -303,27 +292,33 @@ static CFTypeID __kSCNetworkInterfaceTypeID       = _kCFRuntimeNotATypeID;
 
 
 static const CFRuntimeClass __SCNetworkInterfaceClass = {
-       0,                                      // version
-       "SCNetworkInterface",                   // className
-       NULL,                                   // init
-       NULL,                                   // copy
-       __SCNetworkInterfaceDeallocate,         // dealloc
-       __SCNetworkInterfaceEqual,              // equal
-       __SCNetworkInterfaceHash,               // hash
-       NULL,                                   // copyFormattingDesc
-       __SCNetworkInterfaceCopyDescription     // copyDebugDesc
+       0,                                              // version
+       "SCNetworkInterface",                           // className
+       NULL,                                           // init
+       NULL,                                           // copy
+       __SCNetworkInterfaceDeallocate,                 // dealloc
+       __SCNetworkInterfaceEqual,                      // equal
+       __SCNetworkInterfaceHash,                       // hash
+       __SCNetworkInterfaceCopyFormattingDescription,  // copyFormattingDesc
+       __SCNetworkInterfaceCopyDescription             // copyDebugDesc
 };
 
 
 static pthread_once_t          initialized     = PTHREAD_ONCE_INIT;
 static pthread_once_t          iokit_quiet     = PTHREAD_ONCE_INIT;
+static pthread_mutex_t         lock            = PTHREAD_MUTEX_INITIALIZER;
 
 
 static mach_port_t             masterPort      = MACH_PORT_NULL;
 
-
 static CFStringRef
 __SCNetworkInterfaceCopyDescription(CFTypeRef cf)
+{
+       return __SCNetworkInterfaceCopyFormattingDescription(cf, NULL);
+}
+
+static CFStringRef
+__SCNetworkInterfaceCopyFormattingDescription(CFTypeRef cf, CFDictionaryRef formatOptions)
 {
        CFAllocatorRef                  allocator               = CFGetAllocator(cf);
        CFMutableStringRef              result;
@@ -361,21 +356,25 @@ __SCNetworkInterfaceCopyDescription(CFTypeRef cf)
                CFIndex                 dataLen;
                CFIndex                 i;
 
-               CFStringAppendFormat(result, NULL, CFSTR(", address = 0x"));
+               CFStringAppendFormat(result, NULL, CFSTR(", address = "));
 
                data    = CFDataGetBytePtr(interfacePrivate->address);
                dataLen = CFDataGetLength(interfacePrivate->address);
                for (i = 0; i < dataLen; i++) {
-                       CFStringAppendFormat(result, NULL, CFSTR("%02x"), data[i]);
+                       CFStringAppendFormat(result, NULL, CFSTR("%s%02x"),
+                                            (i > 0) ? ":" : "",
+                                            data[i]);
                }
        }
        CFStringAppendFormat(result, NULL, CFSTR(", builtin = %s"), interfacePrivate->builtin ? "TRUE" : "FALSE");
        if (interfacePrivate->hidden) {
                CFStringAppendFormat(result, NULL, CFSTR(", hidden = TRUE"));
        }
-       if (interfacePrivate->modemIsV92) {
-               CFStringAppendFormat(result, NULL, CFSTR(", v.92"));
+#if    TARGET_OS_IPHONE
+       if (interfacePrivate->trustRequired) {
+               CFStringAppendFormat(result, NULL, CFSTR(", trust required = TRUE"));
        }
+#endif // TARGET_OS_IPHONE
        if (interfacePrivate->location != NULL) {
                CFStringAppendFormat(result, NULL, CFSTR(", location = %@"), interfacePrivate->location);
        }
@@ -391,12 +390,18 @@ __SCNetworkInterfaceCopyDescription(CFTypeRef cf)
        if (interfacePrivate->unit != NULL) {
                CFStringAppendFormat(result, NULL, CFSTR(", unit = %@"), interfacePrivate->unit);
        }
+       if (interfacePrivate->family != NULL) {
+               CFStringAppendFormat(result, NULL, CFSTR(", family = %@"), interfacePrivate->family);
+       }
+       if (interfacePrivate->subfamily != NULL) {
+               CFStringAppendFormat(result, NULL, CFSTR(", subfamily = %@"), interfacePrivate->subfamily);
+       }
        if ((interfacePrivate->usb.vid != NULL) || (interfacePrivate->usb.pid != NULL)) {
-               int     pid;
-               int     vid;
+               int     pid     = 0;
+               int     vid     = 0;
 
                if (!isA_CFNumber(interfacePrivate->usb.pid) ||
-                   !CFNumberGetValue(interfacePrivate->usb.vid, kCFNumberIntType, &pid)) {
+                   !CFNumberGetValue(interfacePrivate->usb.pid, kCFNumberIntType, &pid)) {
                        pid = 0;
                }
                if (!isA_CFNumber(interfacePrivate->usb.vid) ||
@@ -410,16 +415,22 @@ __SCNetworkInterfaceCopyDescription(CFTypeRef cf)
                }
 
                CFStringAppendFormat(result, NULL, CFSTR(", USB vid/pid = 0x%0x/0x%0x"),
-                                    interfacePrivate->usb.vid,
-                                    interfacePrivate->usb.pid);
+                                    vid,
+                                    pid);
        }
        if (interfacePrivate->configurationAction != NULL) {
                CFStringAppendFormat(result, NULL, CFSTR(", action = %@"), interfacePrivate->configurationAction);
        }
        if (interfacePrivate->overrides != NULL) {
-               CFStringAppendFormat(result, NULL, CFSTR(", overrides = %p"), interfacePrivate->overrides);
+               CFStringRef     str;
+
+               str = _SCCopyDescription(interfacePrivate->overrides, formatOptions);
+               CFStringAppendFormat(result, formatOptions, CFSTR(", overrides = %@"), str);
+               CFRelease(str);
        }
-       CFStringAppendFormat(result, NULL, CFSTR(", order = %d"), interfacePrivate->sort_order);
+       CFStringAppendFormat(result, NULL, CFSTR(", order = %d (%s)"),
+                            interfacePrivate->sort_order,
+                            interfacePrivate->sort_order <= kSortUnknown ? sortOrderName[interfacePrivate->sort_order] : "?");
        if (interfacePrivate->prefs != NULL) {
                CFStringAppendFormat(result, NULL, CFSTR(", prefs = %p"), interfacePrivate->prefs);
        }
@@ -430,7 +441,7 @@ __SCNetworkInterfaceCopyDescription(CFTypeRef cf)
                CFStringAppendFormat(result, NULL, CFSTR(", interface = %@"), interfacePrivate->interface);
        }
        if (interfacePrivate->unsaved != NULL) {
-               CFStringAppendFormat(result, NULL, CFSTR(", unsaved = %@"), interfacePrivate->unsaved);
+               CFStringAppendFormat(result, formatOptions, CFSTR(", unsaved = %@"), interfacePrivate->unsaved);
        }
 
        if (interfacePrivate->bond.interfaces != NULL) {
@@ -444,7 +455,7 @@ __SCNetworkInterfaceCopyDescription(CFTypeRef cf)
                        member = CFArrayGetValueAtIndex(interfacePrivate->bond.interfaces, i);
                        CFStringAppendFormat(result, NULL,
                                             CFSTR("%s%@"),
-                                            (i == 0) ? ", interfaces = " : ", ",
+                                            (i == 0) ? ", interfaces = " : ",",
                                             SCNetworkInterfaceGetBSDName(member));
                }
        }
@@ -452,7 +463,11 @@ __SCNetworkInterfaceCopyDescription(CFTypeRef cf)
                CFStringAppendFormat(result, NULL, CFSTR(", mode = %@"), interfacePrivate->bond.mode);
        }
        if (interfacePrivate->bond.options != NULL) {
-               CFStringAppendFormat(result, NULL, CFSTR(", options = %@"), interfacePrivate->bond.options);
+               CFStringRef     str;
+
+               str = _SCCopyDescription(interfacePrivate->bond.options, formatOptions);
+               CFStringAppendFormat(result, formatOptions, CFSTR(", options = %@"), str);
+               CFRelease(str);
        }
 
        if (interfacePrivate->bridge.interfaces != NULL) {
@@ -466,12 +481,16 @@ __SCNetworkInterfaceCopyDescription(CFTypeRef cf)
                        member = CFArrayGetValueAtIndex(interfacePrivate->bridge.interfaces, i);
                        CFStringAppendFormat(result, NULL,
                                             CFSTR("%s%@"),
-                                            (i == 0) ? ", interfaces = " : ", ",
+                                            (i == 0) ? ", interfaces = " : ",",
                                             SCNetworkInterfaceGetBSDName(member));
                }
        }
        if (interfacePrivate->bridge.options != NULL) {
-               CFStringAppendFormat(result, NULL, CFSTR(", options = %@"), interfacePrivate->bridge.options);
+               CFStringRef     str;
+
+               str = _SCCopyDescription(interfacePrivate->bridge.options, formatOptions);
+               CFStringAppendFormat(result, formatOptions, CFSTR(", options = %@"), str);
+               CFRelease(str);
        }
 
        if (interfacePrivate->vlan.interface != NULL) {
@@ -483,7 +502,11 @@ __SCNetworkInterfaceCopyDescription(CFTypeRef cf)
                CFStringAppendFormat(result, NULL, CFSTR(", tag = %@"), interfacePrivate->vlan.tag);
        }
        if (interfacePrivate->vlan.options != NULL) {
-               CFStringAppendFormat(result, NULL, CFSTR(", options = %@"), interfacePrivate->vlan.options);
+               CFStringRef     str;
+
+               str = _SCCopyDescription(interfacePrivate->vlan.options, formatOptions);
+               CFStringAppendFormat(result, formatOptions, CFSTR(", options = %@"), str);
+               CFRelease(str);
        }
 
        CFStringAppendFormat(result, NULL, CFSTR("}"));
@@ -556,12 +579,21 @@ __SCNetworkInterfaceDeallocate(CFTypeRef cf)
        if (interfacePrivate->overrides != NULL)
                CFRelease(interfacePrivate->overrides);
 
+       if (interfacePrivate->prefix != NULL)
+               CFRelease(interfacePrivate->prefix);
+
        if (interfacePrivate->type != NULL)
                CFRelease(interfacePrivate->type);
 
        if (interfacePrivate->unit != NULL)
                CFRelease(interfacePrivate->unit);
 
+       if (interfacePrivate->family != NULL)
+               CFRelease(interfacePrivate->family);
+
+       if (interfacePrivate->subfamily != NULL)
+               CFRelease(interfacePrivate->subfamily);
+
        if (interfacePrivate->usb.name != NULL)
                CFRelease(interfacePrivate->usb.name);
 
@@ -594,7 +626,10 @@ __SCNetworkInterfaceDeallocate(CFTypeRef cf)
 
        if (interfacePrivate->vlan.options != NULL)
                CFRelease(interfacePrivate->vlan.options);
-
+#if    !TARGET_OS_SIMULATOR
+       if (interfacePrivate->IPMonitorControl != NULL)
+               CFRelease(interfacePrivate->IPMonitorControl);
+#endif // !TARGET_OS_SIMULATOR
        return;
 }
 
@@ -712,10 +747,8 @@ __SCNetworkInterfaceInitialize(void)
 
        // get mach port used to communication with IOKit
        kr = IOMasterPort(MACH_PORT_NULL, &masterPort);
-       if (kr != KERN_SUCCESS) {
-               SCLog(TRUE, LOG_DEBUG,
-                     CFSTR("__SCNetworkInterfaceInitialize(), could not get IOMasterPort, kr = 0x%x"),
-                     kr);
+       if (kr != kIOReturnSuccess) {
+               SC_log(LOG_NOTICE, "could not get IOMasterPort, kr = 0x%x", kr);
        }
 
        return;
@@ -745,53 +778,11 @@ __SCNetworkInterfaceCreatePrivate(CFAllocatorRef  allocator,
                return NULL;
        }
 
-       interfacePrivate->interface_type                = NULL;
-       interfacePrivate->name                          = NULL;
-       interfacePrivate->localized_name                = NULL;
-       interfacePrivate->localized_key                 = NULL;
-       interfacePrivate->localized_arg1                = NULL;
-       interfacePrivate->localized_arg2                = NULL;
-       interfacePrivate->interface                     = (interface != NULL) ? CFRetain(interface) : NULL;
-       interfacePrivate->prefs                         = (prefs     != NULL) ? CFRetain(prefs)     : NULL;
-       interfacePrivate->store                         = NULL;
-       interfacePrivate->serviceID                     = (serviceID != NULL) ? CFRetain(serviceID) : NULL;
-       interfacePrivate->unsaved                       = NULL;
-       interfacePrivate->entity_device                 = NULL;
-       interfacePrivate->entity_device_unique          = NULL;
-       interfacePrivate->entity_type                   = NULL;
-       interfacePrivate->entity_subtype                = NULL;
-       interfacePrivate->supported_interface_types     = NULL;
-       interfacePrivate->supported_protocol_types      = NULL;
-       interfacePrivate->address                       = NULL;
-       interfacePrivate->addressString                 = NULL;
-       interfacePrivate->builtin                       = FALSE;
-       interfacePrivate->configurationAction           = NULL;
-       interfacePrivate->hidden                        = FALSE;
-       interfacePrivate->location                      = NULL;
-       interfacePrivate->path                          = NULL;
-       interfacePrivate->entryID                       = 0;
-       interfacePrivate->overrides                     = NULL;
-       interfacePrivate->modemIsV92                    = FALSE;
-       interfacePrivate->type                          = NULL;
-       interfacePrivate->unit                          = NULL;
-       interfacePrivate->usb.name                      = NULL;
-       interfacePrivate->usb.vid                       = NULL;
-       interfacePrivate->usb.pid                       = NULL;
-       interfacePrivate->sort_order                    = kSortUnknown;
-
-       interfacePrivate->supportsBond                  = FALSE;
-       interfacePrivate->bond.interfaces               = NULL;
-       interfacePrivate->bond.mode                     = NULL;
-       interfacePrivate->bond.options                  = NULL;
-
-       interfacePrivate->supportsBridge                = FALSE;
-       interfacePrivate->bridge.interfaces             = NULL;
-       interfacePrivate->bridge.options                = NULL;
-
-       interfacePrivate->supportsVLAN                  = FALSE;
-       interfacePrivate->vlan.interface                = NULL;
-       interfacePrivate->vlan.tag                      = NULL;
-       interfacePrivate->vlan.options                  = NULL;
+       /* initialize non-zero/NULL members */
+       interfacePrivate->interface     = (interface != NULL) ? CFRetain(interface) : NULL;
+       interfacePrivate->prefs         = (prefs     != NULL) ? CFRetain(prefs)     : NULL;
+       interfacePrivate->serviceID     = (serviceID != NULL) ? CFRetain(serviceID) : NULL;
+       interfacePrivate->sort_order    = kSortUnknown;
 
        return interfacePrivate;
 }
@@ -828,12 +819,12 @@ __SCNetworkInterfaceSupportsVLAN(CFStringRef bsd_if)
        mib[5] = if_index;      /* ask for exactly one interface */
 
        if (sysctl(mib, 6, NULL, &buf_len, NULL, 0) == -1) {
-               SCLog(TRUE, LOG_ERR, CFSTR("sysctl() size failed: %s"), strerror(errno));
+               SC_log(LOG_NOTICE, "sysctl() size failed: %s", strerror(errno));
                goto done;
        }
        buf = CFAllocatorAllocate(NULL, buf_len, 0);
        if (sysctl(mib, 6, buf, &buf_len, NULL, 0) == -1) {
-               SCLog(TRUE, LOG_ERR, CFSTR("sysctl() failed: %s"), strerror(errno));
+               SC_log(LOG_NOTICE, "sysctl() failed: %s", strerror(errno));
                goto done;
        }
 
@@ -862,6 +853,48 @@ __SCNetworkInterfaceSupportsVLAN(CFStringRef bsd_if)
 }
 
 
+static CFDataRef
+__SCCopyMacAddress(CFStringRef ifname)
+{
+       struct ifaddrs  *ifap;
+       char            ifname_c[IFNAMSIZ];
+       struct ifaddrs  *ifp;
+       CFDataRef       macAddress = NULL;
+
+       if(_SC_cfstring_to_cstring(ifname,
+                                  ifname_c,
+                                  sizeof(ifname_c),
+                                  kCFStringEncodingUTF8) == NULL) {
+               return NULL;
+       }
+
+       if (getifaddrs(&ifap) == -1) {
+               _SCErrorSet(errno);
+               SC_log(LOG_NOTICE, "getifaddrs() failed: %s", strerror(errno));
+               return NULL;
+       }
+
+       for (ifp = ifap; ifp != NULL; ifp = ifp->ifa_next) {
+               struct sockaddr_dl      *sdl;
+
+               if(strcmp(ifname_c, ifp->ifa_name) != 0) {
+                       continue;
+               }
+
+               /* ALIGN: cast ok, this should be aligned (getifaddrs). */
+               sdl = (struct sockaddr_dl *)(void *)ifp->ifa_addr;
+               if (sdl->sdl_family != AF_LINK) {
+                       continue;
+               }
+
+               macAddress = CFDataCreate(NULL, (UInt8 *)LLADDR(sdl), sdl->sdl_alen);
+               break;
+       }
+       freeifaddrs(ifap);
+       return macAddress;
+}
+
+
 __private_extern__
 SCNetworkInterfacePrivateRef
 _SCBondInterfaceCreatePrivate(CFAllocatorRef   allocator,
@@ -877,6 +910,7 @@ _SCBondInterfaceCreatePrivate(CFAllocatorRef        allocator,
        interfacePrivate->interface_type        = kSCNetworkInterfaceTypeBond;
        interfacePrivate->entity_type           = kSCValNetInterfaceTypeEthernet;
        interfacePrivate->entity_device         = CFStringCreateCopy(allocator, bond_if);
+       interfacePrivate->address               = __SCCopyMacAddress(interfacePrivate->entity_device);
        interfacePrivate->builtin               = TRUE;
        interfacePrivate->supportsVLAN          = __SCNetworkInterfaceSupportsVLAN(bond_if);
        interfacePrivate->sort_order            = kSortBond;
@@ -907,6 +941,7 @@ _SCBridgeInterfaceCreatePrivate(CFAllocatorRef      allocator,
        interfacePrivate->interface_type        = kSCNetworkInterfaceTypeBridge;
        interfacePrivate->entity_type           = kSCValNetInterfaceTypeEthernet;
        interfacePrivate->entity_device         = CFStringCreateCopy(allocator, bridge_if);
+       interfacePrivate->address               = __SCCopyMacAddress(interfacePrivate->entity_device);
        interfacePrivate->builtin               = TRUE;
        interfacePrivate->supportsVLAN          = __SCNetworkInterfaceSupportsVLAN(bridge_if);
        interfacePrivate->sort_order            = kSortBridge;
@@ -936,6 +971,7 @@ _SCVLANInterfaceCreatePrivate(CFAllocatorRef                allocator,
        interfacePrivate->interface_type        = kSCNetworkInterfaceTypeVLAN;
        interfacePrivate->entity_type           = kSCValNetInterfaceTypeEthernet;
        interfacePrivate->entity_device         = CFStringCreateCopy(allocator, vlan_if);
+       interfacePrivate->address               = __SCCopyMacAddress(interfacePrivate->entity_device);
        interfacePrivate->builtin               = TRUE;
        interfacePrivate->sort_order            = kSortVLAN;
 
@@ -979,6 +1015,7 @@ split_path(CFStringRef path)
 CFComparisonResult
 _SCNetworkInterfaceCompare(const void *val1, const void *val2, void *context)
 {
+#pragma unused(context)
        SCNetworkInterfacePrivateRef    dev1            = (SCNetworkInterfacePrivateRef)val1;
        SCNetworkInterfacePrivateRef    dev2            = (SCNetworkInterfacePrivateRef)val2;
        CFComparisonResult              res             = kCFCompareEqualTo;
@@ -1124,8 +1161,9 @@ _SCNetworkInterfaceCompare(const void *val1, const void *val2, void *context)
 static void
 sort_interfaces(CFMutableArrayRef all_interfaces)
 {
-       int     n       = CFArrayGetCount(all_interfaces);
+       CFIndex         n;
 
+       n = CFArrayGetCount(all_interfaces);
        if (n < 2) {
                return;
        }
@@ -1166,6 +1204,34 @@ IOCopyCFStringValue(CFTypeRef ioVal)
 }
 
 
+static CFStringRef
+IODictionaryCopyBSDName(CFDictionaryRef io_dict)
+{
+       CFStringRef     if_bsdName;
+       CFStringRef     if_prefix;
+       CFNumberRef     if_unit;
+
+       if_bsdName = CFDictionaryGetValue(io_dict, CFSTR(kIOBSDNameKey));
+       if (if_bsdName != NULL) {
+               return IOCopyCFStringValue(if_bsdName);
+       }
+
+       // no BSD name, get interface prefix and unit
+       if_prefix = CFDictionaryGetValue(io_dict, CFSTR(kIOInterfaceNamePrefix));
+       if_unit   = CFDictionaryGetValue(io_dict, CFSTR(kIOInterfaceUnit));
+       if (isA_CFString(if_prefix) && isA_CFNumber(if_unit)) {
+               // if both prefix and unit available, construct BSD name
+               if_bsdName = CFStringCreateWithFormat(NULL,
+                                                     NULL,
+                                                     CFSTR("%@%@"),
+                                                     if_prefix,
+                                                     if_unit);
+       }
+
+       return if_bsdName;
+};
+
+
 static CFStringRef
 IODictionaryCopyCFStringValue(CFDictionaryRef io_dict, CFStringRef io_key)
 {
@@ -1259,8 +1325,6 @@ pci_slot(io_registry_entry_t interface, CFTypeRef *pci_slot_name)
 
        slot_name = IORegistryEntryCreateCFProperty(interface, CFSTR("AAPL,slot-name"), NULL, 0);
        if (slot_name != NULL) {
-               CFIndex i;
-
                slot = CFStringCreateMutable(NULL, 0);
                if (isA_CFString(slot_name)) {
                        if (pci_slot_name != NULL) *pci_slot_name = CFStringCreateCopy(NULL, slot_name);
@@ -1272,7 +1336,7 @@ pci_slot(io_registry_entry_t interface, CFTypeRef *pci_slot_name)
                                              kCFStringEncodingUTF8);
                }
 
-               for (i = 0; i < sizeof(slot_prefixes)/sizeof(slot_prefixes[0]); i++) {
+               for (size_t i = 0; i < sizeof(slot_prefixes)/sizeof(slot_prefixes[0]); i++) {
                        CFIndex         len;
 
                        len = CFStringGetLength(slot_prefixes[i]);
@@ -1285,7 +1349,7 @@ pci_slot(io_registry_entry_t interface, CFTypeRef *pci_slot_name)
                        }
                }
 
-               for (i = 0; i < sizeof(slot_mappings)/sizeof(slot_mappings[0]); i++) {
+               for (size_t i = 0; i < sizeof(slot_mappings)/sizeof(slot_mappings[0]); i++) {
                        if (CFStringCompare(slot,
                                            slot_mappings[i].name,
                                            kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
@@ -1313,7 +1377,7 @@ pci_slot(io_registry_entry_t interface, CFTypeRef *pci_slot_name)
                                        if (*pci_slot_name != NULL) CFRelease(*pci_slot_name);
                                        *pci_slot_name = parent_pci_slot_name;
                                } else {
-                                       CFRelease(parent_pci_slot_name);
+                                       if (parent_pci_slot_name != NULL) CFRelease(parent_pci_slot_name);
                                }
                        }
 
@@ -1324,7 +1388,7 @@ pci_slot(io_registry_entry_t interface, CFTypeRef *pci_slot_name)
                        // if we have hit the root node
                        break;
                default :
-                       SCLog(TRUE, LOG_DEBUG, CFSTR("pci_slot IORegistryEntryGetParentEntry() failed, kr = 0x%x"), kr);
+                       SC_log(LOG_INFO, "IORegistryEntryGetParentEntry() failed, kr = 0x%x", kr);
                        break;
        }
 
@@ -1335,6 +1399,7 @@ pci_slot(io_registry_entry_t interface, CFTypeRef *pci_slot_name)
 static CFComparisonResult
 compare_bsdNames(const void *val1, const void *val2, void *context)
 {
+#pragma unused(context)
        CFStringRef     bsd1    = (CFStringRef)val1;
        CFStringRef     bsd2    = (CFStringRef)val2;
 
@@ -1384,7 +1449,7 @@ pci_port(CFTypeRef slot_name, int ift, CFStringRef bsdName)
 
        kr = IOServiceGetMatchingServices(masterPort, matching, &slot_iterator);
        if (kr != kIOReturnSuccess) {
-               SCLog(TRUE, LOG_DEBUG, CFSTR("pci_port IOServiceGetMatchingServices() failed, kr = 0x%x"), kr);
+               SC_log(LOG_INFO, "IOServiceGetMatchingServices() failed, kr = 0x%x", kr);
                return MACH_PORT_NULL;
        }
 
@@ -1399,40 +1464,40 @@ pci_port(CFTypeRef slot_name, int ift, CFStringRef bsdName)
                                                   kIORegistryIterateRecursively,
                                                   &child_iterator);
                if (kr != kIOReturnSuccess) {
-                       SCLog(TRUE, LOG_DEBUG, CFSTR("pci_port IORegistryEntryCreateIterator() failed, kr = 0x%x"), kr);
+                       SC_log(LOG_INFO, "IORegistryEntryCreateIterator() failed, kr = 0x%x", kr);
                        CFRelease(port_names);
                        return MACH_PORT_NULL;
                }
 
                while ((child = IOIteratorNext(child_iterator)) != MACH_PORT_NULL) {
                        if (IOObjectConformsTo(child, kIONetworkInterfaceClass)) {
-                               CFNumberRef     child_if_type;
-                               int             child_ift       = ift;
-
-                               child_if_type = IORegistryEntryCreateCFProperty(child,
-                                                                               CFSTR(kIOInterfaceType),
-                                                                               NULL,
-                                                                               0);
-                               if (child_if_type != NULL) {
-                                       if (!isA_CFNumber(child_if_type) ||
-                                           !CFNumberGetValue(child_if_type, kCFNumberIntType, &child_ift)) {
-                                               // assume that it's a match
-                                               child_ift = ift;
+                               CFMutableDictionaryRef  interface_dict  = NULL;
+
+                               (void) IORegistryEntryCreateCFProperties(child, &interface_dict, NULL, kNilOptions);
+                               if (interface_dict != NULL) {
+                                       CFNumberRef     child_if_type;
+                                       int             child_ift       = ift;
+
+                                       child_if_type = CFDictionaryGetValue(interface_dict, CFSTR(kIOInterfaceType));
+                                       if (child_if_type != NULL) {
+                                               if (!isA_CFNumber(child_if_type) ||
+                                                   !CFNumberGetValue(child_if_type, kCFNumberIntType, &child_ift)) {
+                                                       // assume that it's a match
+                                                       child_ift = ift;
+                                               }
                                        }
-                                       CFRelease(child_if_type);
-                               }
 
-                               if (ift == child_ift) {
-                                       CFStringRef     if_bsdName;
+                                       if (ift == child_ift) {
+                                               CFStringRef     if_bsdName;
 
-                                       if_bsdName = IORegistryEntryCreateCFProperty(child,
-                                                                                    CFSTR(kIOBSDNameKey),
-                                                                                    NULL,
-                                                                                    0);
-                                       if (if_bsdName != NULL) {
-                                               CFArrayAppendValue(port_names, if_bsdName);
-                                               CFRelease(if_bsdName);
+                                               if_bsdName = IODictionaryCopyBSDName(interface_dict);
+                                               if (if_bsdName != NULL) {
+                                                       CFArrayAppendValue(port_names, if_bsdName);
+                                                       CFRelease(if_bsdName);
+                                               }
                                        }
+
+                                       CFRelease(interface_dict);
                                }
                        }
                        IOObjectRelease(child);
@@ -1447,7 +1512,7 @@ pci_port(CFTypeRef slot_name, int ift, CFStringRef bsdName)
                CFArraySortValues(port_names, CFRangeMake(0, n), compare_bsdNames, NULL);
                n = CFArrayGetFirstIndexOfValue(port_names, CFRangeMake(0, n), bsdName);
                if (n != kCFNotFound) {
-                       port_name = CFStringCreateWithFormat(NULL, NULL, CFSTR("%d"), n + 1);
+                       port_name = CFStringCreateWithFormat(NULL, NULL, CFSTR("%ld"), n + 1);
                }
        }
 
@@ -1459,14 +1524,20 @@ pci_port(CFTypeRef slot_name, int ift, CFStringRef bsdName)
 static Boolean
 pci_slot_info(io_registry_entry_t interface, int ift, CFStringRef *slot_name, CFStringRef *port_name)
 {
-       CFStringRef     bsd_name;
-       Boolean         ok              = FALSE;
-       CFTypeRef       pci_slot_name;
+       CFStringRef             bsd_name        = NULL;
+       CFMutableDictionaryRef  interface_dict  = NULL;
+       Boolean                 ok              = FALSE;
+       CFTypeRef               pci_slot_name;
 
        *slot_name = NULL;
        *port_name = NULL;
 
-       bsd_name = IORegistryEntryCreateCFProperty(interface, CFSTR(kIOBSDNameKey), NULL, 0);
+       (void) IORegistryEntryCreateCFProperties(interface, &interface_dict, NULL, kNilOptions);
+       if (interface_dict != NULL) {
+               bsd_name = IODictionaryCopyBSDName(interface_dict);
+               CFRelease(interface_dict);
+       }
+
        if (bsd_name == NULL) {
                return FALSE;
        }
@@ -1514,7 +1585,7 @@ isBluetoothBuiltin(Boolean *haveController)
                                          &iter);
        if ((kr != kIOReturnSuccess) || (iter == MACH_PORT_NULL)) {
                if (kr != kIOReturnSuccess) {
-                       SCLog(TRUE, LOG_DEBUG, CFSTR("isBluetoothBuiltin IOServiceGetMatchingServices() failed, kr = 0x%x"), kr);
+                       SC_log(LOG_INFO, "IOServiceGetMatchingServices() failed, kr = 0x%x", kr);
                }
                *haveController = FALSE;
                return FALSE;
@@ -1524,6 +1595,7 @@ isBluetoothBuiltin(Boolean *haveController)
        hciController = IOIteratorNext(iter);
        IOObjectRelease(iter);
        if(hciController != MACH_PORT_NULL) {
+#if    !TARGET_OS_SIMULATOR
                CFNumberRef     idVendor;
 
                idVendor = IORegistryEntryCreateCFProperty(hciController, CFSTR(kUSBVendorID), NULL, 0);
@@ -1538,6 +1610,7 @@ isBluetoothBuiltin(Boolean *haveController)
 
                        CFRelease(idVendor);
                }
+#endif // !TARGET_OS_SIMULATOR
 
                IOObjectRelease(hciController);
        }
@@ -1574,22 +1647,39 @@ processUSBInterface(SCNetworkInterfacePrivateRef        interfacePrivate,
                    io_registry_entry_t                 bus,
                    CFDictionaryRef                     bus_dict)
 {
+#if    TARGET_OS_SIMULATOR
+#pragma unused(interfacePrivate)
+#pragma unused(interface)
+#endif // TARGET_OS_SIMULATOR
+#pragma unused(interface_dict)
+#pragma unused(controller)
+#pragma unused(controller_dict)
+#pragma unused(bus)
+#pragma unused(bus_dict)
+#if    !TARGET_OS_SIMULATOR
        // capture USB info
-       interfacePrivate->usb.name = IORegistryEntrySearchCFProperty(interface,
-                                                                    kIOServicePlane,
-                                                                    CFSTR(kUSBProductString),
-                                                                    NULL,
-                                                                    kIORegistryIterateRecursively | kIORegistryIterateParents);
-       interfacePrivate->usb.vid  = IORegistryEntrySearchCFProperty(interface,
-                                                                    kIOServicePlane,
-                                                                    CFSTR(kUSBVendorID),
-                                                                    NULL,
-                                                                    kIORegistryIterateRecursively | kIORegistryIterateParents);
-       interfacePrivate->usb.pid  = IORegistryEntrySearchCFProperty(interface,
-                                                                    kIOServicePlane,
-                                                                    CFSTR(kUSBProductID),
-                                                                    NULL,
-                                                                    kIORegistryIterateRecursively | kIORegistryIterateParents);
+       if (interfacePrivate->usb.name == NULL) {
+               interfacePrivate->usb.name = IORegistryEntrySearchCFProperty(interface,
+                                                                            kIOServicePlane,
+                                                                            CFSTR(kUSBProductString),
+                                                                            NULL,
+                                                                            kIORegistryIterateRecursively | kIORegistryIterateParents);
+       }
+       if (interfacePrivate->usb.vid == NULL) {
+               interfacePrivate->usb.vid  = IORegistryEntrySearchCFProperty(interface,
+                                                                            kIOServicePlane,
+                                                                            CFSTR(kUSBVendorID),
+                                                                            NULL,
+                                                                            kIORegistryIterateRecursively | kIORegistryIterateParents);
+       }
+       if (interfacePrivate->usb.pid == NULL) {
+               interfacePrivate->usb.pid  = IORegistryEntrySearchCFProperty(interface,
+                                                                            kIOServicePlane,
+                                                                            CFSTR(kUSBProductID),
+                                                                            NULL,
+                                                                            kIORegistryIterateRecursively | kIORegistryIterateParents);
+       }
+#endif // !TARGET_OS_SIMULATOR
 
        return;
 }
@@ -1628,8 +1718,11 @@ update_interface_name(SCNetworkInterfacePrivateRef       interfacePrivate,
                                interfacePrivate->name = CFRetain(productName);
                                if (interfacePrivate->localized_name != NULL) {
                                        CFRelease(interfacePrivate->localized_name);
+                                       interfacePrivate->localized_name = NULL;
+                               }
+                               if (bundle != NULL) {
+                                       interfacePrivate->localized_name = copy_interface_string(bundle, productName, TRUE);
                                }
-                               interfacePrivate->localized_name = copy_interface_string(bundle, productName, TRUE);
 
                                updated = TRUE;
                        }
@@ -1709,7 +1802,7 @@ processNetworkInterface(SCNetworkInterfacePrivateRef      interfacePrivate,
            CFNumberGetValue(num, kCFNumberIntType, &ift)) {
                interfacePrivate->type = CFRetain(num);
        } else {
-               SCLog(TRUE, LOG_DEBUG, CFSTR("processNetworkInterface() failed, no interface type"));
+               SC_log(LOG_INFO, "no interface type: %@", interface_dict);
                return FALSE;
        }
 
@@ -1717,12 +1810,16 @@ processNetworkInterface(SCNetworkInterfacePrivateRef    interfacePrivate,
                case IFT_ETHER :
                        // Type, Hardware
 
-                       if ((IOObjectConformsTo(controller, "IO80211Controller")) ||
-                           (IOObjectConformsTo(controller, "AirPortPCI"       )) ||
-                           (IOObjectConformsTo(controller, "AirPortDriver"    ))) {
+                       if (IOObjectConformsTo(controller, "IO80211Controller") ||
+                           IOObjectConformsTo(controller, "AirPortPCI"       ) ||
+                           IOObjectConformsTo(controller, "AirPortDriver"    )) {
                                interfacePrivate->interface_type        = kSCNetworkInterfaceTypeIEEE80211;
                                interfacePrivate->entity_type           = kSCValNetInterfaceTypeEthernet;
                                interfacePrivate->sort_order            = kSortAirPort;
+                       } else if (IOObjectConformsTo(controller, "AppleThunderboltIPPort")) {
+                               interfacePrivate->interface_type        = kSCNetworkInterfaceTypeEthernet;
+                               interfacePrivate->entity_type           = kSCValNetInterfaceTypeEthernet;
+                               interfacePrivate->sort_order            = kSortThunderbolt;
                        } else if (IOObjectConformsTo(controller, "IOBluetoothBNEPDriver")) {
                                interfacePrivate->interface_type        = kSCNetworkInterfaceTypeEthernet;
                                interfacePrivate->entity_type           = kSCValNetInterfaceTypeEthernet;
@@ -1745,7 +1842,7 @@ processNetworkInterface(SCNetworkInterfacePrivateRef      interfacePrivate,
                                                                      kIORegistryIterateRecursively | kIORegistryIterateParents);
                                if (val != NULL) {
                                        if (isA_CFString(val)) {
-                                               if (CFEqual(val, CFSTR("Bluetooth PAN"))) {
+                                               if (CFEqual(val, CFSTR(BT_PAN_NAME))) {
                                                        interfacePrivate->interface_type        = kSCNetworkInterfaceTypeEthernet;
                                                        interfacePrivate->entity_type           = kSCValNetInterfaceTypeEthernet;
                                                        interfacePrivate->sort_order            = kSortBluetoothPAN_GN;
@@ -1757,6 +1854,10 @@ processNetworkInterface(SCNetworkInterfacePrivateRef     interfacePrivate,
                                                        interfacePrivate->interface_type        = kSCNetworkInterfaceTypeEthernet;
                                                        interfacePrivate->entity_type           = kSCValNetInterfaceTypeEthernet;
                                                        interfacePrivate->sort_order            = kSortBluetoothPAN_U;
+                                               } else if (CFEqual(val, CFSTR("CarPlay"))) {
+                                                       interfacePrivate->interface_type        = kSCNetworkInterfaceTypeEthernet;
+                                                       interfacePrivate->entity_type           = kSCValNetInterfaceTypeEthernet;
+                                                       interfacePrivate->sort_order            = kSortCarPlay;
                                                }
                                        }
 
@@ -1764,6 +1865,25 @@ processNetworkInterface(SCNetworkInterfacePrivateRef     interfacePrivate,
                                }
                        }
 
+#if    TARGET_OS_OSX
+                       if (interfacePrivate->interface_type == NULL) {
+                               val = IORegistryEntrySearchCFProperty(interface,
+                                                                     kIOServicePlane,
+                                                                     CFSTR(kUSBSupportsIPhoneOS),
+                                                                     NULL,
+                                                                     kIORegistryIterateRecursively | kIORegistryIterateParents);
+                               if (val != NULL) {
+                                       if (isA_CFBoolean(val) && CFBooleanGetValue(val)) {
+                                               interfacePrivate->interface_type        = kSCNetworkInterfaceTypeEthernet;
+                                               interfacePrivate->entity_type           = kSCValNetInterfaceTypeEthernet;
+                                               interfacePrivate->sort_order            = kSortTethered;
+                                       }
+
+                                       CFRelease(val);
+                               }
+                       }
+#endif // TARGET_OS_OSX
+
                        if (interfacePrivate->interface_type == NULL) {
                                str = IODictionaryCopyCFStringValue(bus_dict, CFSTR("name"));
                                if (str != NULL) {
@@ -1808,6 +1928,11 @@ processNetworkInterface(SCNetworkInterfacePrivateRef     interfacePrivate,
 
                        // location
                        interfacePrivate->location = IODictionaryCopyCFStringValue(interface_dict, CFSTR(kIOLocation));
+                       if ((interfacePrivate->location != NULL) &&
+                           (CFStringGetLength(interfacePrivate->location) == 0)) {
+                               CFRelease(interfacePrivate->location);
+                               interfacePrivate->location = NULL;
+                       }
 
                        // VLAN support
                        num = CFDictionaryGetValue(controller_dict, CFSTR(kIOFeatures));
@@ -1821,6 +1946,14 @@ processNetworkInterface(SCNetworkInterfacePrivateRef     interfacePrivate,
                        // localized name
                        if (CFEqual(interfacePrivate->interface_type, kSCNetworkInterfaceTypeIEEE80211)) {
                                interfacePrivate->localized_key = CFSTR("airport");
+                       } else if (interfacePrivate->sort_order == kSortThunderbolt) {
+                               if ((interfacePrivate->location == NULL) ||
+                                   (CFStringGetLength(interfacePrivate->location) == 0)) {
+                                       interfacePrivate->localized_key = CFSTR("thunderbolt");
+                               } else {
+                                       interfacePrivate->localized_key  = CFSTR("multithunderbolt");
+                                       interfacePrivate->localized_arg1 = CFRetain(interfacePrivate->location);
+                               }
                        } else if (interfacePrivate->sort_order == kSortBluetoothPAN_GN) {
                                interfacePrivate->localized_key  = CFSTR("bluetooth-pan-gn");
                        } else if (interfacePrivate->sort_order == kSortBluetoothPAN_NAP) {
@@ -1876,30 +2009,60 @@ processNetworkInterface(SCNetworkInterfacePrivateRef    interfacePrivate,
                                                                }
                                                        }
                                                }
-                                       } else if (CFEqual(provider, CFSTR("IOUSBDevice")) ||
-                                                  CFEqual(provider, CFSTR("IOUSBInterface"))) {
-                                               // get USB info (if available)
-                                               processUSBInterface(interfacePrivate,
-                                                                   interface,
-                                                                   interface_dict,
-                                                                   controller,
-                                                                   controller_dict,
-                                                                   bus,
-                                                                   bus_dict);
+                                       } else {
+                                               io_registry_entry_t     node    = interface;
+
+                                               while (provider != NULL) {
+#if    !TARGET_OS_SIMULATOR
+                                                       if (CFEqual(provider, CFSTR(kIOUSBDeviceClassName)) ||
+                                                           CFEqual(provider, CFSTR(kIOUSBInterfaceClassName)) ||
+                                                           CFEqual(provider, CFSTR(kIOUSBHostInterfaceClassName))) {
+                                                               // get USB info (if available)
+                                                               processUSBInterface(interfacePrivate,
+                                                                                   interface,
+                                                                                   interface_dict,
+                                                                                   controller,
+                                                                                   controller_dict,
+                                                                                   bus,
+                                                                                   bus_dict);
+
+                                                               // set interface "name"
+                                                               if (!update_interface_name(interfacePrivate, interface, TRUE)) {
+                                                                       interfacePrivate->localized_key  = CFSTR("usb-ether");
+                                                                       interfacePrivate->localized_arg1 = IODictionaryCopyBSDName(interface_dict);
+                                                               }
+                                                               break;
+                                                       }
+#endif // !TARGET_OS_SIMULATOR
+
+                                                       if (node == interface) {
+                                                               node = controller;
+                                                       } else if (node == controller ) {
+                                                               node = bus;
+                                                       } else {
+                                                               break;
+                                                       }
+
+                                                       CFRelease(provider);
+                                                       provider = IORegistryEntrySearchCFProperty(node,
+                                                                                                  kIOServicePlane,
+                                                                                                  CFSTR(kIOProviderClassKey),
+                                                                                                  NULL,
+                                                                                                  kIORegistryIterateRecursively | kIORegistryIterateParents);
+                                               }
 
-                                               // set interface "name"
-                                               if (!update_interface_name(interfacePrivate, interface, TRUE)) {
-                                                       interfacePrivate->localized_key  = CFSTR("usb-ether");
-                                                       interfacePrivate->localized_arg1 = IODictionaryCopyCFStringValue(interface_dict, CFSTR(kIOBSDNameKey));
+                                               if (interfacePrivate->localized_key == NULL) {
+                                                       update_interface_name(interfacePrivate, interface, FALSE);
                                                }
                                        }
-                                       CFRelease(provider);
+
+                                       if (provider != NULL) CFRelease(provider);
                                }
 
                                if (interfacePrivate->localized_key == NULL) {
                                        // if no provider, not a PCI device, or no slot information
                                        interfacePrivate->localized_key  = CFSTR("generic-ether");
-                                       interfacePrivate->localized_arg1 = IODictionaryCopyCFStringValue(interface_dict, CFSTR(kIOBSDNameKey));
+                                       interfacePrivate->localized_arg1 = IODictionaryCopyBSDName(interface_dict);
                                }
                        }
 
@@ -1951,12 +2114,12 @@ processNetworkInterface(SCNetworkInterfacePrivateRef    interfacePrivate,
 
                        break;
                default :
-                       SCLog(TRUE, LOG_DEBUG, CFSTR("processNetworkInterface() failed, unknown interface type = %d"), ift);
+                       SC_log(LOG_INFO, "unknown interface type = %d", ift);
                        return FALSE;
        }
 
        // Device
-       interfacePrivate->entity_device = IODictionaryCopyCFStringValue(interface_dict, CFSTR(kIOBSDNameKey));
+       interfacePrivate->entity_device = IODictionaryCopyBSDName(interface_dict);
 
        // Hardware (MAC) address
        data = CFDictionaryGetValue(controller_dict, CFSTR(kIOMACAddress));
@@ -1964,6 +2127,12 @@ processNetworkInterface(SCNetworkInterfacePrivateRef     interfacePrivate,
                interfacePrivate->address = CFRetain(data);
        }
 
+       // interface prefix
+       str = CFDictionaryGetValue(interface_dict, CFSTR(kIOInterfaceNamePrefix));
+       if (isA_CFString(str)) {
+               interfacePrivate->prefix = CFRetain(str);
+       }
+
        // interface unit
        num = CFDictionaryGetValue(interface_dict, CFSTR(kIOInterfaceUnit));
        if (isA_CFNumber(num) &&
@@ -2023,18 +2192,18 @@ set_connection_script(SCNetworkInterfacePrivateRef interfacePrivate, CFStringRef
 static Boolean
 is_valid_connection_script(CFStringRef script)
 {
-       char                            ccl[MAXPATHLEN];
-       char                            path[MAXPATHLEN];
-       NSSearchPathEnumerationState    state;
+       char                                    ccl[MAXPATHLEN];
+       char                                    path[MAXPATHLEN];
+       sysdir_search_path_enumeration_state    state;
 
        (void) _SC_cfstring_to_cstring(script,
                                       ccl,
                                       sizeof(ccl),
                                       kCFStringEncodingUTF8);
 
-       state = NSStartSearchPathEnumeration(NSLibraryDirectory,
-                                            NSLocalDomainMask|NSSystemDomainMask);
-       while ((state = NSGetNextSearchPathEnumeration(state, path))) {
+       state = sysdir_start_search_path_enumeration(SYSDIR_DIRECTORY_LIBRARY,
+                                                    SYSDIR_DOMAIN_MASK_LOCAL|SYSDIR_DOMAIN_MASK_SYSTEM);
+       while ((state = sysdir_get_next_search_path_enumeration(state, path))) {
                size_t          n;
                struct stat     statBuf;
 
@@ -2050,9 +2219,7 @@ is_valid_connection_script(CFStringRef script)
                                goto bundle;
                        }
 
-                       SCLog(TRUE, LOG_DEBUG,
-                             CFSTR("processSerialInterface stat() failed: %s"),
-                             strerror(errno));
+                       SC_log(LOG_INFO, "stat() failed: %s", strerror(errno));
                        continue;
                }
                if (S_ISREG(statBuf.st_mode)) {
@@ -2074,9 +2241,7 @@ is_valid_connection_script(CFStringRef script)
                                        continue;
                                }
 
-                               SCLog(TRUE, LOG_DEBUG,
-                                     CFSTR("processSerialInterface stat() failed: %s"),
-                                     strerror(errno));
+                               SC_log(LOG_INFO, "stat() failed: %s", strerror(errno));
                                continue;
                        }
                }
@@ -2107,17 +2272,6 @@ processSerialInterface(SCNetworkInterfacePrivateRef      interfacePrivate,
        Boolean                 ok              = FALSE;
        CFTypeRef               val;
 
-       // check if hidden
-       val = IORegistryEntrySearchCFProperty(interface,
-                                             kIOServicePlane,
-                                             kSCNetworkInterfaceHiddenPortKey,
-                                             NULL,
-                                             kIORegistryIterateRecursively | kIORegistryIterateParents);
-       if (val != NULL) {
-               CFRelease(val);
-               return FALSE;   // if this interface should not be exposed
-       }
-
        // check if initializing
        val = IORegistryEntrySearchCFProperty(interface,
                                              kIOServicePlane,
@@ -2193,22 +2347,6 @@ processSerialInterface(SCNetworkInterfacePrivateRef      interfacePrivate,
                // Modem
                interfacePrivate->interface_type        = kSCNetworkInterfaceTypeModem;
                interfacePrivate->sort_order            = kSortModem;
-
-               // V.92 support
-               val = IORegistryEntrySearchCFProperty(interface,
-                                                     kIOServicePlane,
-                                                     CFSTR(kIODeviceSupportsHoldKey),
-                                                     NULL,
-                                                     kIORegistryIterateRecursively | kIORegistryIterateParents);
-               if (val != NULL) {
-                       uint32_t        v92;
-
-                       if (isA_CFNumber(val) &&
-                           CFNumberGetValue(val, kCFNumberSInt32Type, &v92)) {
-                               interfacePrivate->modemIsV92 = (v92 == 1);
-                       }
-                       CFRelease(val);
-               }
        }
 
        // Entity (Type)
@@ -2371,69 +2509,170 @@ processSerialInterface(SCNetworkInterfacePrivateRef    interfacePrivate,
 }
 
 
+static CFStringRef
+__SC_IORegistryEntryCopyPath(io_registry_entry_t entry, const io_name_t plane)
+{
+       /*
+        * Create a path for a registry entry.
+        */
+       io_string_t     path;
+       IOReturn        status;
+       CFStringRef     str     = NULL;
+
+       status = IORegistryEntryGetPath(entry, plane, path);
+       if (status == kIOReturnSuccess) {
+               str = CFStringCreateWithCString(NULL, path, kCFStringEncodingUTF8);
+       } else if (status == kIOReturnBadArgument) {
+               io_registry_entry_t     parent;
+
+               status = IORegistryEntryGetParentEntry(entry, plane, &parent);
+               if (status == kIOReturnSuccess) {
+                       CFStringRef     str_parent;
+
+                       str_parent = __SC_IORegistryEntryCopyPath(parent, plane);
+                       if (str_parent != NULL) {
+                               io_name_t       name;
+
+                               status = IORegistryEntryGetNameInPlane(entry, plane, name);
+                               if (status == kIOReturnSuccess) {
+                                       io_name_t       location;
+
+                                       status = IORegistryEntryGetLocationInPlane(entry, plane, location);
+                                       if (status == kIOReturnSuccess) {
+                                               str = CFStringCreateWithFormat(NULL,
+                                                                              NULL,
+                                                                              CFSTR("%@/%s@%s"),
+                                                                              str_parent,
+                                                                              name,
+                                                                              location);
+                                       } else {
+                                               str = CFStringCreateWithFormat(NULL,
+                                                                              NULL,
+                                                                              CFSTR("%@/%s"),
+                                                                              str_parent,
+                                                                              name);
+                                       }
+                               }
+
+                               CFRelease(str_parent);
+                       }
+
+                       IOObjectRelease(parent);
+               }
+       }
+
+       return str;
+}
+
+static CFMutableDictionaryRef
+copyIORegistryProperties(io_registry_entry_t reg_ent, const CFStringRef *reg_keys, CFIndex numKeys)
+{
+       CFIndex                 idx = 0;
+       CFMutableDictionaryRef  reg_dict = NULL;
+       CFTypeRef               value = NULL;
+
+       reg_dict = CFDictionaryCreateMutable(NULL,
+                                            0,
+                                            &kCFTypeDictionaryKeyCallBacks ,
+                                            &kCFTypeDictionaryValueCallBacks);
+
+       for (; idx < numKeys; idx++) {
+               value = IORegistryEntryCreateCFProperty(reg_ent, reg_keys[idx], NULL, 0);
+               if (value != NULL) {
+                       CFDictionaryAddValue(reg_dict, reg_keys[idx], value);
+                       CFRelease(value);
+               }
+       }
+
+       return reg_dict;
+}
+
 static SCNetworkInterfaceRef
-createInterface(io_registry_entry_t interface, processInterface func)
+createInterface(io_registry_entry_t interface, processInterface func,
+               CFStringRef hidden_key)
 {
        io_registry_entry_t             bus                     = MACH_PORT_NULL;
        CFMutableDictionaryRef          bus_dict                = NULL;
        io_registry_entry_t             controller              = MACH_PORT_NULL;
        CFMutableDictionaryRef          controller_dict         = NULL;
+       uint64_t                        entryID                 = 0;
        SCNetworkInterfacePrivateRef    interfacePrivate        = NULL;
        CFMutableDictionaryRef          interface_dict          = NULL;
        kern_return_t                   kr;
-       io_string_t                     path;
        CFTypeRef                       val;
-       uint64_t                        entryID = 0;
 
-       kr = IORegistryEntryGetPath(interface, kIOServicePlane, path);
-       if (kr != kIOReturnSuccess) {
-               SCLog(TRUE, LOG_DEBUG, CFSTR("createInterface IORegistryEntryGetPath() failed, kr = 0x%x"), kr);
-               goto done;
+       // Keys of interest
+       const CFStringRef interface_dict_keys[] = {
+               CFSTR(kIOInterfaceType),
+               CFSTR(kIOBuiltin),
+               CFSTR(kIOBSDNameKey),
+               CFSTR(kIOPrimaryInterface),
+               CFSTR(kIOInterfaceNamePrefix),
+               CFSTR(kIOInterfaceUnit),
+               CFSTR(kIOTTYDeviceKey),
+               CFSTR(kIOTTYBaseNameKey),
+               CFSTR(kIOSerialBSDTypeKey),
+               CFSTR(kIOLocation)
+       };
+
+       const CFStringRef controller_dict_keys[] = {
+               CFSTR(kIOFeatures),
+               CFSTR(kIOMACAddress)
+       };
+
+       const CFStringRef bus_dict_keys[] = {
+               CFSTR("name")
+       };
+
+       if (hidden_key != NULL) {
+               // check if hidden
+               val = IORegistryEntrySearchCFProperty(interface,
+                                                     kIOServicePlane,
+                                                     hidden_key,
+                                                     NULL,
+                                                     kIORegistryIterateRecursively | kIORegistryIterateParents);
+               if (val != NULL) {
+                       CFRelease(val);
+                       goto done;      // if this interface should not be exposed
+               }
        }
 
-       kr = IORegistryEntryCreateCFProperties(interface, &interface_dict, NULL, kNilOptions);
-       if (kr != kIOReturnSuccess) {
-               SCLog(TRUE, LOG_DEBUG, CFSTR("createInterface IORegistryEntryCreateCFProperties() failed, kr = 0x%x"), kr);
-               goto done;
-       }
+        interface_dict = copyIORegistryProperties(interface,
+                                                  interface_dict_keys,
+                                                  sizeof(interface_dict_keys)/sizeof(interface_dict_keys[0]));
 
-       /* get the controller node */
+       // get the controller node
        kr = IORegistryEntryGetParentEntry(interface, kIOServicePlane, &controller);
-       if (kr != KERN_SUCCESS) {
-               SCLog(TRUE, LOG_DEBUG, CFSTR("createInterface IORegistryEntryGetParentEntry() failed, kr = 0x%x"), kr);
+       if (kr != kIOReturnSuccess) {
+               SC_log(LOG_INFO, "IORegistryEntryGetParentEntry() failed, kr = 0x%x", kr);
                goto done;
        }
 
-       /* get the dictionary associated with the node */
-       kr = IORegistryEntryCreateCFProperties(controller, &controller_dict, NULL, kNilOptions);
-       if (kr != KERN_SUCCESS) {
-               SCLog(TRUE, LOG_DEBUG, CFSTR("createInterface IORegistryEntryCreateCFProperties() failed, kr = 0x%x"), kr);
-               goto done;
-       }
+       controller_dict = copyIORegistryProperties(controller,
+                                                  controller_dict_keys,
+                                                  sizeof(controller_dict_keys)/sizeof(controller_dict_keys[0]));
 
-       /* get the bus node */
+       // get the bus node
        kr = IORegistryEntryGetParentEntry(controller, kIOServicePlane, &bus);
-       if (kr != KERN_SUCCESS) {
-               SCLog(TRUE, LOG_DEBUG, CFSTR("createInterface IORegistryEntryGetParentEntry() failed, kr = 0x%x"), kr);
+       if (kr != kIOReturnSuccess) {
+               SC_log(LOG_INFO, "IORegistryEntryGetParentEntry() failed, kr = 0x%x", kr);
                goto done;
        }
 
-       /* get the dictionary associated with the node */
-       kr = IORegistryEntryCreateCFProperties(bus, &bus_dict, NULL, kNilOptions);
-       if (kr != KERN_SUCCESS) {
-               SCLog(TRUE, LOG_DEBUG, CFSTR("createInterface IORegistryEntryCreateCFProperties() failed, kr = 0x%x"), kr);
-               goto done;
-       }
+       bus_dict = copyIORegistryProperties(bus,
+                                           bus_dict_keys,
+                                           sizeof(bus_dict_keys)/sizeof(bus_dict_keys[0]));
 
-       /* get the registry entry ID */
+       // get the registry entry ID
        kr = IORegistryEntryGetRegistryEntryID(interface, &entryID);
-       if (kr != KERN_SUCCESS) {
-               SCLog(TRUE, LOG_DEBUG, CFSTR("createInterface IORegistryEntryGetRegistryEntryID() failed, kr = 0x%x"), kr);
+       if (kr != kIOReturnSuccess) {
+               SC_log(LOG_INFO, "IORegistryEntryGetRegistryEntryID() failed, kr = 0x%x", kr);
                goto done;
        }
 
        interfacePrivate = __SCNetworkInterfaceCreatePrivate(NULL, NULL, NULL, NULL);
-       interfacePrivate->path    = (path != NULL) ? CFStringCreateWithCString(NULL, path, kCFStringEncodingUTF8) : NULL;
+       assert(interfacePrivate != NULL);
+       interfacePrivate->path = __SC_IORegistryEntryCopyPath(interface, kIOServicePlane);
        interfacePrivate->entryID = entryID;
 
        // configuration [PPP, Modem, DNS, IPv4, IPv6, Proxies, SMB] template overrides
@@ -2450,7 +2689,7 @@ createInterface(io_registry_entry_t interface, processInterface func)
        }
 
        if ((*func)(interfacePrivate, interface, interface_dict, controller, controller_dict, bus, bus_dict)) {
-               /* get user-notification / auto-configuration preference */
+               // get user-notification / auto-configuration preference
                val = IORegistryEntrySearchCFProperty(interface,
                                                      kIOServicePlane,
                                                      kSCNetworkInterfaceConfigurationActionKey,
@@ -2463,7 +2702,7 @@ createInterface(io_registry_entry_t interface, processInterface func)
                        CFRelease(val);
                }
 
-               /* get HiddenConfiguration preference */
+               // get HiddenConfiguration preference
                val = IORegistryEntrySearchCFProperty(interface,
                                                      kIOServicePlane,
                                                      kSCNetworkInterfaceHiddenConfigurationKey,
@@ -2473,6 +2712,21 @@ createInterface(io_registry_entry_t interface, processInterface func)
                        interfacePrivate->hidden = TRUE;
                        CFRelease(val);
                }
+
+#if    TARGET_OS_IPHONE
+               // get TrustRequired preference
+               val = IORegistryEntrySearchCFProperty(interface,
+                                                     kIOServicePlane,
+                                                     kSCNetworkInterfaceTrustRequiredKey,
+                                                     NULL,
+                                                     kIORegistryIterateRecursively | kIORegistryIterateParents);
+               if (val != NULL) {
+                       if (isA_CFBoolean(val)) {
+                               interfacePrivate->trustRequired = CFBooleanGetValue(val);
+                       }
+                       CFRelease(val);
+               }
+#endif // TARGET_OS_IPHONE
        } else {
                CFRelease(interfacePrivate);
                interfacePrivate = NULL;
@@ -2493,7 +2747,10 @@ createInterface(io_registry_entry_t interface, processInterface func)
 
 
 static CF_RETURNS_RETAINED CFArrayRef
-findMatchingInterfaces(CFDictionaryRef matching, processInterface func)
+findMatchingInterfaces(CFDictionaryRef matching,
+                      processInterface func,
+                      CFStringRef      hidden_key,
+                      Boolean          keep_pre_configured)
 {
        CFMutableArrayRef       interfaces;
        io_registry_entry_t     interface;
@@ -2509,7 +2766,7 @@ findMatchingInterfaces(CFDictionaryRef matching, processInterface func)
 
        kr = IOServiceGetMatchingServices(masterPort, matching, &iterator);
        if (kr != kIOReturnSuccess) {
-               SCLog(TRUE, LOG_DEBUG, CFSTR("findMatchingInterfaces IOServiceGetMatchingServices() failed, kr = 0x%x"), kr);
+               SC_log(LOG_INFO, "IOServiceGetMatchingServices() failed, kr = 0x%x", kr);
                return NULL;
        }
 
@@ -2518,9 +2775,11 @@ findMatchingInterfaces(CFDictionaryRef matching, processInterface func)
        while ((interface = IOIteratorNext(iterator)) != MACH_PORT_NULL) {
                SCNetworkInterfaceRef           match;
 
-               match = createInterface(interface, func);
+               match = createInterface(interface, func, hidden_key);
                if (match != NULL) {
-                       CFArrayAppendValue(interfaces, match);
+                       if (keep_pre_configured || !_SCNetworkInterfaceIsApplePreconfigured(match)) {
+                               CFArrayAppendValue(interfaces, match);
+                       }
                        CFRelease(match);
                }
 
@@ -2540,9 +2799,7 @@ findMatchingInterfaces(CFDictionaryRef matching, processInterface func)
 static CFIndex
 findConfiguration(CFStringRef interface_type)
 {
-       CFIndex i;
-
-       for (i = 0; i < sizeof(configurations)/sizeof(configurations[0]); i++) {
+       for (size_t i = 0; i < sizeof(configurations)/sizeof(configurations[0]); i++) {
                if (CFEqual(interface_type, *configurations[i].interface_type)) {
                        return i;
                }
@@ -2646,9 +2903,14 @@ __SCNetworkInterfaceIsValidExtendedConfigurationType(SCNetworkInterfaceRef       inter
 
        /*
         * ???
-        * Do we match specific/known extended configuration types (e.g. EAPOL)
-        * and ensure that any non-standard extended configuration types be of
-        * the form com.myCompany.myType?
+        * Should we check/match and specifically allow known extended
+        * configuration types (e.g. EAPOL)?
+        *
+        * Should we check/match and specifically block known internal
+        * configuration types (e.g. QoSMarking)?
+        *
+        * Lastly, should we ensure that any non-standard extended configuration
+        * types be of the form com.myCompany.myType?
         * ???
         */
 
@@ -2672,6 +2934,7 @@ typedef struct {
 static void
 __addExtendedConfigurationType(const void *key, const void *value, void *context)
 {
+#pragma unused(value)
        CFStringRef                     extendedType    = (CFStringRef)key;
        extendedConfigurationRef        myContextRef    = (extendedConfigurationRef)context;
 
@@ -2693,6 +2956,27 @@ __addExtendedConfigurationType(const void *key, const void *value, void *context
 }
 
 
+static CFIndex
+findPerInterfaceConfiguration(SCNetworkInterfaceRef interface)
+{
+       CFIndex                         interfaceIndex;
+       SCNetworkInterfacePrivateRef    interfacePrivate        = (SCNetworkInterfacePrivateRef)interface;
+
+       interfaceIndex = findConfiguration(interfacePrivate->interface_type);
+       if (interfaceIndex == kCFNotFound) {
+               // if per-service (not per interface) configuration
+               return kCFNotFound;
+       }
+
+       if (!configurations[interfaceIndex].per_interface_config) {
+               // if per-interface configuration not allowed
+               return kCFNotFound;
+       }
+
+       return interfaceIndex;
+}
+
+
 static CF_RETURNS_RETAINED CFArrayRef
 extendedConfigurationTypes(SCNetworkInterfaceRef interface)
 {
@@ -2717,15 +3001,9 @@ extendedConfigurationTypes(SCNetworkInterfaceRef interface)
                goto done;
        }
 
-       interfaceIndex = findConfiguration(interfacePrivate->interface_type);
+       interfaceIndex = findPerInterfaceConfiguration(interface);
        if (interfaceIndex == kCFNotFound) {
-               // we don't allow per-service extended configurations
-               goto done;
-       }
-
-       if (!configurations[interfaceIndex].per_interface_config) {
-               // known interface type but we still don't allow
-               // per-service extended configurations
+               // if no per-interface configuration
                goto done;
        }
 
@@ -2786,42 +3064,23 @@ extendedConfigurationTypes(SCNetworkInterfaceRef interface)
        return myContext.types;
 }
 
+static CFArrayRef
+stringCreateArray(CFStringRef str)
+{
+       return (CFArrayCreate(NULL, (const void **)&str, 1, &kCFTypeArrayCallBacks));
+}
 
 static CFArrayRef
-copyConfigurationPaths(SCNetworkInterfacePrivateRef    interfacePrivate,
-                      CFStringRef                      extendedType)
+copyPerInterfaceConfigurationPaths(SCNetworkInterfacePrivateRef        interfacePrivate,
+                                  CFStringRef                  extendedType)
 {
-       CFMutableArrayRef               array;
+       CFMutableArrayRef               array = NULL;
        CFIndex                         i;
-       CFIndex                         interfaceIndex;
        CFIndex                         n;
        CFStringRef                     path;
        SCNetworkServiceRef             service;
        CFArrayRef                      sets;
 
-       array = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
-
-       interfaceIndex = findConfiguration(interfacePrivate->interface_type);
-       if (interfaceIndex == kCFNotFound) {
-               // unknown interface type, use per-service configuration preferences
-               path = SCPreferencesPathKeyCreateNetworkServiceEntity(NULL,                             // allocator
-                                                                     interfacePrivate->serviceID,      // service
-                                                                     extendedType);                    // entity
-               CFArrayAppendValue(array, path);
-               CFRelease(path);
-               return array;
-       }
-
-       if (!configurations[interfaceIndex].per_interface_config) {
-               // known interface type, per-service configuration preferences
-               path = SCPreferencesPathKeyCreateNetworkServiceEntity(NULL,                             // allocator
-                                                                     interfacePrivate->serviceID,      // service
-                                                                     extendedType);                    // entity
-               CFArrayAppendValue(array, path);
-               CFRelease(path);
-               return array;
-       }
-
        // known interface type, per-interface configuration preferences
        //
        // 1. look for all sets which contain the associated service
@@ -2849,38 +3108,71 @@ copyConfigurationPaths(SCNetworkInterfacePrivateRef     interfacePrivate,
                                                                                   SCNetworkSetGetSetID(set),           // set
                                                                                   interfacePrivate->entity_device,     // service
                                                                                   extendedType);                       // entity
+                       if (array == NULL) {
+                               array = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
+                       }
                        CFArrayAppendValue(array, path);
                        CFRelease(path);
                }
                CFRelease(services);
        }
 
-       if (CFArrayGetCount(array) == 0) {
-               CFRelease(array);
-               array = NULL;
-       }
-
        CFRelease(service);
        if (sets != NULL) CFRelease(sets);
        return array;
-}
-
-
-#pragma mark -
-#pragma mark SCNetworkInterface <--> preferences entity
 
+}
 
-__private_extern__
-CFDictionaryRef
-__SCNetworkInterfaceCopyInterfaceEntity(SCNetworkInterfaceRef interface)
+static CFArrayRef
+copyConfigurationPaths(SCNetworkInterfacePrivateRef    interfacePrivate,
+                      CFStringRef                      extendedType)
 {
-       CFMutableDictionaryRef          entity;
-       CFIndex                         interfaceIndex;
-       SCNetworkInterfacePrivateRef    interfacePrivate        = (SCNetworkInterfacePrivateRef)interface;
+       CFArrayRef      array           = NULL;
+       CFIndex         interfaceIndex;
+       CFStringRef     path;
 
-       entity = CFDictionaryCreateMutable(NULL,
-                                          0,
-                                          &kCFTypeDictionaryKeyCallBacks,
+       interfaceIndex = findConfiguration(interfacePrivate->interface_type);
+       if (interfaceIndex == kCFNotFound) {
+               // unknown interface type, use per-service configuration preferences
+               path = SCPreferencesPathKeyCreateNetworkServiceEntity(NULL,                             // allocator
+                                                                     interfacePrivate->serviceID,      // service
+                                                                     extendedType);                    // entity
+               array = stringCreateArray(path);
+               CFRelease(path);
+       }
+
+       else if (!configurations[interfaceIndex].per_interface_config) {
+               // known interface type, per-service configuration preferences
+               path = SCPreferencesPathKeyCreateNetworkServiceEntity(NULL,                             // allocator
+                                                                     interfacePrivate->serviceID,      // service
+                                                                     extendedType);                    // entity
+               array = stringCreateArray(path);
+               CFRelease(path);
+       }
+
+       else if (interfacePrivate->serviceID != NULL) {
+               array = copyPerInterfaceConfigurationPaths(interfacePrivate, extendedType);
+       }
+
+       return (array);
+}
+
+
+#pragma mark -
+#pragma mark SCNetworkInterface <--> preferences entity
+
+
+__private_extern__
+CFDictionaryRef
+__SCNetworkInterfaceCopyInterfaceEntity(SCNetworkInterfaceRef interface)
+{
+       CFMutableDictionaryRef          entity;
+       CFIndex                         interfaceIndex;
+       SCNetworkInterfacePrivateRef    interfacePrivate        = (SCNetworkInterfacePrivateRef)interface;
+
+       entity = CFDictionaryCreateMutable(NULL,
+                                          0,
+                                          &kCFTypeDictionaryKeyCallBacks,
                                           &kCFTypeDictionaryValueCallBacks);
        if (interfacePrivate->entity_type != NULL) {
                CFDictionarySetValue(entity,
@@ -2907,6 +3199,13 @@ __SCNetworkInterfaceCopyInterfaceEntity(SCNetworkInterfaceRef interface)
                                     kSCNetworkInterfaceHiddenConfigurationKey,
                                     kCFBooleanTrue);
        }
+#if    TARGET_OS_IPHONE
+       if (interfacePrivate->trustRequired) {
+               CFDictionarySetValue(entity,
+                                    kSCNetworkInterfaceTrustRequiredKey,
+                                    kCFBooleanTrue);
+       }
+#endif // TARGET_OS_IPHONE
 
        // match the "hardware" with the lowest layer
        while (TRUE) {
@@ -2944,19 +3243,6 @@ __SCNetworkInterfaceCopyInterfaceEntity(SCNetworkInterfaceRef interface)
                             kSCPropUserDefinedName,
                             SCNetworkInterfaceGetLocalizedDisplayName(interface));
 
-       // note that this is a V.92 capable modem
-       if (CFEqual(interfacePrivate->interface_type, kSCNetworkInterfaceTypeModem) &&
-           interfacePrivate->modemIsV92) {
-               int             one     = 1;
-               CFNumberRef     num;
-
-               num = CFNumberCreate(NULL, kCFNumberIntType, &one);
-               CFDictionarySetValue(entity,
-                                    kSCPropNetInterfaceSupportsModemOnHold,
-                                    num);
-               CFRelease(num);
-       }
-
        return entity;
 }
 
@@ -3042,19 +3328,114 @@ findVLANInterface(SCPreferencesRef prefs, CFStringRef ifDevice)
 }
 
 
+#define        N_QUICK 32
+
+
+static CFMutableDictionaryRef
+copy_ppp_entity(CFStringRef bsdName)
+{
+       CFMutableDictionaryRef  entity          = NULL;
+       CFStringRef             pattern;
+       CFMutableArrayRef       patterns;
+       CFDictionaryRef         dict;
+
+       patterns = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
+       pattern = SCDynamicStoreKeyCreateNetworkServiceEntity(NULL, kSCDynamicStoreDomainState, kSCCompAnyRegex, kSCEntNetPPP);
+       CFArrayAppendValue(patterns, pattern);
+       CFRelease(pattern);
+       pattern = SCDynamicStoreKeyCreateNetworkServiceEntity(NULL, kSCDynamicStoreDomainSetup, kSCCompAnyRegex, kSCEntNetInterface);
+       CFArrayAppendValue(patterns, pattern);
+       CFRelease(pattern);
+       dict = SCDynamicStoreCopyMultiple(NULL, NULL, patterns);
+       CFRelease(patterns);
+       if (dict != NULL) {
+               CFIndex         i;
+               const void *    keys_q[N_QUICK];
+               const void **   keys    = keys_q;
+               CFIndex         n;
+               const void *    vals_q[N_QUICK];
+               const void **   vals    = vals_q;
+
+               n = CFDictionaryGetCount(dict);
+               if (n > (CFIndex)(sizeof(keys_q) / sizeof(CFTypeRef))) {
+                       keys = CFAllocatorAllocate(NULL, n * sizeof(CFTypeRef), 0);
+                       vals = CFAllocatorAllocate(NULL, n * sizeof(CFTypeRef), 0);
+               }
+               CFDictionaryGetKeysAndValues(dict, keys, vals);
+               for (i = 0; i < n; i++) {
+                       CFArrayRef      components;
+                       CFStringRef     interfaceKey;
+                       CFDictionaryRef interfaceVal;
+                       CFStringRef     ifName;
+                       CFStringRef     pppKey          = (CFStringRef)keys[i];
+                       CFDictionaryRef pppVal          = (CFDictionaryRef)vals[i];
+                       CFStringRef     serviceID;
+
+                       if (!CFStringHasSuffix(pppKey, kSCEntNetPPP) ||
+                           !CFDictionaryGetValueIfPresent(pppVal, kSCPropInterfaceName, (const void **)&ifName) ||
+                           !CFEqual(bsdName, ifName)) {
+                               // if not matching PPP interface
+                               continue;
+                       }
+
+                       components = CFStringCreateArrayBySeparatingStrings(NULL, pppKey, CFSTR("/"));
+                       serviceID = CFArrayGetValueAtIndex(components, 3);
+                       interfaceKey = SCDynamicStoreKeyCreateNetworkServiceEntity(NULL, kSCDynamicStoreDomainSetup, serviceID, kSCEntNetInterface);
+                       interfaceVal = CFDictionaryGetValue(dict, interfaceKey);
+                       CFRelease(interfaceKey);
+                       CFRelease(components);
+                       if (interfaceVal != NULL) {
+                               entity = CFDictionaryCreateMutableCopy(NULL, 0, interfaceVal);
+                               break;
+                       }
+               }
+               if (keys != keys_q) {
+                       CFAllocatorDeallocate(NULL, keys);
+                       CFAllocatorDeallocate(NULL, vals);
+               }
+
+               CFRelease(dict);
+       }
+
+       return entity;
+}
+
+
 SCNetworkInterfaceRef
-_SCNetworkInterfaceCreateWithBSDName(CFAllocatorRef            allocator,
-                                    CFStringRef                bsdName,
-                                    UInt32                     flags)
+_SCNetworkInterfaceCreateWithBSDName(CFAllocatorRef    allocator,
+                                    CFStringRef        bsdName,
+                                    UInt32             flags)
 {
-       CFMutableDictionaryRef  entity;
+#pragma unused(allocator)
+       CFMutableDictionaryRef  entity  = NULL;
+       struct ifreq            ifr;
        SCNetworkInterfaceRef   interface;
 
-       entity = CFDictionaryCreateMutable(NULL,
-                                          0,
-                                          &kCFTypeDictionaryKeyCallBacks,
-                                          &kCFTypeDictionaryValueCallBacks);
-       CFDictionarySetValue(entity, kSCPropNetInterfaceDeviceName, bsdName);
+       memset(&ifr, 0, sizeof(ifr));
+       if (_SC_cfstring_to_cstring(bsdName, ifr.ifr_name, sizeof(ifr.ifr_name), kCFStringEncodingASCII) != NULL) {
+               int     s;
+
+               s = socket(AF_INET, SOCK_DGRAM, 0);
+               if (s != -1) {
+                       if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) == -1) {
+                               ifr.ifr_flags = 0;
+                       }
+                       close(s);
+               }
+
+               if ((ifr.ifr_flags & IFF_POINTOPOINT) != 0) {
+                       // if PPP
+                       entity = copy_ppp_entity(bsdName);
+               }
+       }
+
+       if (entity == NULL) {
+               entity = CFDictionaryCreateMutable(NULL,
+                                                  0,
+                                                  &kCFTypeDictionaryKeyCallBacks,
+                                                  &kCFTypeDictionaryValueCallBacks);
+               CFDictionarySetValue(entity, kSCPropNetInterfaceDeviceName, bsdName);
+       }
 
 #if    !TARGET_OS_IPHONE
        if ((flags & kIncludeBondInterfaces) == 0) {
@@ -3077,6 +3458,264 @@ _SCNetworkInterfaceCreateWithBSDName(CFAllocatorRef             allocator,
 }
 
 
+static CFStringRef
+_SCNetworkInterfaceCopyPrefixFromBSDName(CFStringRef bsdName)
+{
+       CFMutableStringRef interfacePrefix = NULL;
+       UniChar lastChar;
+       CFIndex length = 0;
+
+       if (isA_CFString(bsdName) == NULL) {
+               SC_log(LOG_DEBUG, "no BSD name");
+               goto done;
+       }
+
+       interfacePrefix = CFStringCreateMutableCopy(NULL, 0, bsdName);
+       length = CFStringGetLength(interfacePrefix);
+
+       while (length > 0) {
+               lastChar = CFStringGetCharacterAtIndex(interfacePrefix, length - 1);
+               if (lastChar >= '0' && lastChar <= '9') {
+                       CFStringDelete(interfacePrefix,
+                                      CFRangeMake(length-1, 1));
+               }
+               else {
+                       break;
+               }
+               length = CFStringGetLength(interfacePrefix);
+       }
+done:
+       return interfacePrefix;
+}
+
+
+static void
+__SCNetworkInterfaceSetIOInterfacePrefix(SCNetworkInterfaceRef interface,
+                                        CFStringRef prefix);
+
+
+static Boolean
+__SCNetworkInterfaceUpdateBSDName(SCNetworkInterfaceRef interface, CFStringRef currentBSDName, CFStringRef newBSDName)
+{
+       Boolean success = FALSE;
+       SCNetworkInterfacePrivateRef interfacePrivate = (SCNetworkInterfacePrivateRef)interface;
+
+       if (isA_SCNetworkInterface(interface) == NULL) {
+               SC_log(LOG_INFO, "No interface");
+               goto done;
+       }
+
+       if (CFEqual(currentBSDName, newBSDName)) {
+               // if no change
+               goto done;
+       }
+
+       if (interfacePrivate->entity_device != NULL) {
+               CFRelease(interfacePrivate->entity_device);
+       }
+       interfacePrivate->entity_device = CFRetain(newBSDName);
+       success = TRUE;
+done:
+       return success;
+}
+
+
+static Boolean
+__SCNetworkInterfaceUpdateIOPath(SCNetworkInterfaceRef interface)
+{
+       Boolean success = FALSE;
+       SCNetworkInterfacePrivateRef interfacePrivate = (SCNetworkInterfacePrivateRef)interface;
+       CFStringRef oldPath = NULL;
+       CFStringRef newPath = NULL;
+
+       // Using the BSD Name update the path
+       oldPath = interfacePrivate->path;
+       if (isA_CFString(oldPath) == NULL) {
+               goto done;
+       }
+       newPath = CFStringCreateWithFormat(NULL, NULL, CFSTR("Migrated_From: %@"), oldPath);
+       if (interfacePrivate->path != NULL) {
+               CFRelease(interfacePrivate->path);
+       }
+       interfacePrivate->path = CFRetain(newPath);
+       success = TRUE;
+
+done:
+       if (newPath != NULL) {
+               CFRelease(newPath);
+       }
+       return success;
+}
+
+
+static void
+__SCNetworkInterfaceSetIOInterfacePrefix (SCNetworkInterfaceRef interface,
+                                         CFStringRef prefix)
+{
+       SCNetworkInterfacePrivateRef interfacePrivate;
+
+       if (isA_CFString(prefix) == NULL) {
+               return;
+       }
+
+       interfacePrivate = (SCNetworkInterfacePrivateRef) interface;
+
+       CFRetain(prefix);
+
+       if (interfacePrivate->prefix != NULL) {
+               CFRelease(interfacePrivate->prefix);
+       }
+
+       interfacePrivate->prefix = prefix;
+       return;
+}
+
+
+__private_extern__
+void
+__SCNetworkInterfaceSetIOInterfaceUnit(SCNetworkInterfaceRef interface,
+                                      CFNumberRef unit)
+{
+       SCNetworkInterfacePrivateRef interfacePrivate;
+       CFStringRef newBSDName = NULL;
+       CFStringRef oldBSDName = NULL;
+
+       if (isA_CFNumber(unit) == NULL) {
+               return;
+       }
+       interfacePrivate = (SCNetworkInterfacePrivateRef) interface;
+
+       oldBSDName = SCNetworkInterfaceGetBSDName(interface);
+
+       if (interfacePrivate->prefix == NULL) {
+               if (isA_CFString(interfacePrivate->entity_device) != NULL) {
+                       CFStringRef interfaceNamePrefix = _SCNetworkInterfaceCopyPrefixFromBSDName(interfacePrivate->entity_device);
+                       if (interfaceNamePrefix == NULL) {
+                               SC_log(LOG_INFO, "interfaceNamePrefix is NULL");
+                       }
+                       else {
+                               __SCNetworkInterfaceSetIOInterfacePrefix(interface, interfaceNamePrefix);
+                               CFRelease(interfaceNamePrefix);
+                       }
+               }
+       }
+
+       if (interfacePrivate->prefix != NULL) {
+               newBSDName = CFStringCreateWithFormat(NULL, NULL, CFSTR("%@%@"), interfacePrivate->prefix, unit);
+       }
+
+       // Update the BSD Name
+       if ((newBSDName == NULL) ||
+           (!__SCNetworkInterfaceUpdateBSDName(interface, oldBSDName, newBSDName))) {
+               SC_log(LOG_INFO, "BSD name update failed");
+       }
+
+       // Update the path
+       if (!__SCNetworkInterfaceUpdateIOPath(interface)) {
+               SC_log(LOG_INFO, "IOPath update failed");
+       }
+
+       CFRetain(unit);
+       if (interfacePrivate->unit != NULL) {
+               CFRelease(interfacePrivate->unit);
+       }
+       interfacePrivate->unit = unit;
+
+
+       if (newBSDName != NULL) {
+               CFRelease(newBSDName);
+       }
+       return;
+}
+
+
+__private_extern__
+CFDictionaryRef
+__SCNetworkInterfaceCopyStorageEntity(SCNetworkInterfaceRef interface)
+{
+       CFMutableDictionaryRef interface_entity = NULL;
+       SCNetworkInterfacePrivateRef interfacePrivate = (SCNetworkInterfacePrivateRef)interface;
+       CFBooleanRef active = NULL;
+       CFStringRef bsdName = NULL;
+       CFBooleanRef builtin = NULL;
+       CFStringRef interfaceNamePrefix = NULL;
+       CFNumberRef interfaceType = NULL;
+       CFNumberRef interfaceUnit = NULL;
+       CFDataRef macAddress = NULL;
+       CFStringRef pathMatch = NULL;
+       CFDictionaryRef info = NULL;
+       CFStringRef type = NULL;
+
+       if (interfacePrivate->active) {
+               active = kCFBooleanTrue;
+       }
+
+       bsdName = SCNetworkInterfaceGetBSDName(interface);
+       if (!isA_CFString(bsdName)) {
+               goto done;
+       }
+
+       builtin = interfacePrivate->builtin ? kCFBooleanTrue : kCFBooleanFalse;
+       interfaceNamePrefix = _SCNetworkInterfaceGetIOInterfaceNamePrefix(interface);
+       if (!isA_CFString(interfaceNamePrefix)) {
+               goto done;
+       }
+
+       interfaceType = _SCNetworkInterfaceGetIOInterfaceType(interface);
+       if (!isA_CFNumber(interfaceType)) {
+               goto done;
+       }
+
+       interfaceUnit = _SCNetworkInterfaceGetIOInterfaceUnit(interface);
+       if (!isA_CFNumber(interfaceUnit)) {
+               goto done;
+       }
+
+       macAddress = _SCNetworkInterfaceGetHardwareAddress(interface);
+       if (!isA_CFData(macAddress)) {
+               goto done;
+       }
+
+       pathMatch = _SCNetworkInterfaceGetIOPath(interface);
+       if (!isA_CFString(pathMatch)) {
+               goto done;
+       }
+
+       info = _SCNetworkInterfaceCopyInterfaceInfo(interface);
+       if (!isA_CFDictionary(info)) {
+               goto done;
+       }
+
+       type = SCNetworkInterfaceGetInterfaceType(interface);
+       if (!isA_CFString(type)) {
+               goto done;
+       }
+
+       interface_entity = CFDictionaryCreateMutable(NULL, 0,
+                                                    &kCFTypeDictionaryKeyCallBacks,
+                                                    &kCFTypeDictionaryValueCallBacks);
+
+       if (isA_CFBoolean(active) != NULL) {
+               CFDictionaryAddValue(interface_entity, CFSTR(kSCNetworkInterfaceActive), active);
+       }
+
+       CFDictionaryAddValue(interface_entity, CFSTR(kSCNetworkInterfaceBSDName), bsdName);
+       CFDictionaryAddValue(interface_entity, CFSTR(kSCNetworkInterfaceIOBuiltin), builtin);
+       CFDictionaryAddValue(interface_entity, CFSTR(kSCNetworkInterfaceIOInterfaceNamePrefix), interfaceNamePrefix);
+       CFDictionaryAddValue(interface_entity, CFSTR(kSCNetworkInterfaceIOInterfaceType), interfaceType);
+       CFDictionaryAddValue(interface_entity, CFSTR(kSCNetworkInterfaceIOInterfaceUnit), interfaceUnit);
+       CFDictionaryAddValue(interface_entity, CFSTR(kSCNetworkInterfaceIOMACAddress), macAddress);
+       CFDictionaryAddValue(interface_entity, CFSTR(kSCNetworkInterfaceIOPathMatch), pathMatch);
+       CFDictionaryAddValue(interface_entity, CFSTR(kSCNetworkInterfaceInfo), info);
+       CFDictionaryAddValue(interface_entity, CFSTR(kSCNetworkInterfaceType), type);
+done:
+       if (info != NULL) {
+               CFRelease(info);
+       }
+       return interface_entity;
+}
+
+
 static void
 __SCNetworkInterfaceSetService(SCNetworkInterfaceRef   interface,
                               SCNetworkServiceRef      service)
@@ -3106,14 +3745,15 @@ __SCNetworkInterfaceSetService(SCNetworkInterfaceRef    interface,
 }
 
 
-static Boolean
-_SCNetworkInterfaceMatchesName(CFStringRef name, CFStringRef key)
+__private_extern__
+Boolean
+__SCNetworkInterfaceMatchesName(CFStringRef name, CFStringRef key)
 {
        Boolean         match;
        CFStringRef     str;
 
        if (bundle == NULL) {
-               // if no bundle
+               SC_log(LOG_NOTICE, "no bundle information to compare interface names");
                return FALSE;
        }
 
@@ -3146,11 +3786,218 @@ _SCNetworkInterfaceMatchesName(CFStringRef name, CFStringRef key)
 }
 
 
+#define kInterfaceTypeEthernetValue 6
+#define kInterfaceTypeFirewireValue 144
+
+
+static SCNetworkInterfaceRef
+__SCNetworkInterfaceCreateWithStorageEntity(CFAllocatorRef     allocator,
+                                           CFDictionaryRef     interface_entity)
+{
+#pragma unused(allocator)
+       SCNetworkInterfacePrivateRef interfacePrivate = NULL;
+       CFBooleanRef    active = NULL;
+       CFStringRef     bsdName = NULL;
+       CFBooleanRef    ioBuiltin = NULL;
+       CFStringRef     ioInterfaceNamePrefix = NULL;
+       CFNumberRef     ioInterfaceType = NULL;
+       int             ioInterfaceTypeNum;
+       CFNumberRef     ioInterfaceUnit = NULL;
+       CFDataRef       ioMACAddress = NULL;
+       CFStringRef     ioPathMatch = NULL;
+       CFDictionaryRef SCNetworkInterfaceInfo = NULL;
+       CFStringRef     userDefinedName = NULL;
+       CFStringRef     usbProductName = NULL;
+       CFNumberRef     idProduct = NULL;
+       CFNumberRef     idVendor = NULL;
+       CFStringRef     type = NULL;
+
+       /* initialize runtime */
+       pthread_once(&initialized, __SCNetworkInterfaceInitialize);
+
+       if (isA_CFDictionary(interface_entity) == NULL) {
+               SC_log(LOG_INFO, "No interface entity");
+               goto done;
+       }
+       active = CFDictionaryGetValue(interface_entity, CFSTR(kSCNetworkInterfaceActive));
+       if (isA_CFBoolean(active) == NULL) {
+               active = kCFBooleanFalse;
+       }
+       bsdName = CFDictionaryGetValue(interface_entity, CFSTR(kSCNetworkInterfaceBSDName));
+       if (isA_CFString(bsdName) == NULL) {
+               SC_log(LOG_INFO, "No BSD name");
+               goto done;
+       }
+       ioBuiltin = CFDictionaryGetValue(interface_entity, CFSTR(kSCNetworkInterfaceIOBuiltin));
+       if (isA_CFBoolean(ioBuiltin) == NULL) {
+               SC_log(LOG_INFO, "No IOBuiltin property");
+               goto done;
+       }
+       ioInterfaceNamePrefix = CFDictionaryGetValue(interface_entity, CFSTR(kSCNetworkInterfaceIOInterfaceNamePrefix));
+       if (isA_CFString(ioInterfaceNamePrefix) == NULL) {
+               ioInterfaceNamePrefix = _SCNetworkInterfaceCopyPrefixFromBSDName(bsdName);
+               if (ioInterfaceNamePrefix == NULL) {
+                       SC_log(LOG_INFO, "No BSD interface name prefix");
+                       goto done;
+               }
+       } else {
+               CFRetain(ioInterfaceNamePrefix);
+       }
+       ioInterfaceType = CFDictionaryGetValue(interface_entity, CFSTR(kSCNetworkInterfaceIOInterfaceType));
+       if (isA_CFNumber(ioInterfaceType) == NULL) {
+               SC_log(LOG_INFO, "No IOInterfaceType");
+               goto done;
+       }
+       if (!CFNumberGetValue(ioInterfaceType, kCFNumberIntType, &ioInterfaceTypeNum)) {
+               SC_log(LOG_NOTICE, "Count not extract value from ioInterfaceType");
+       }
+       ioInterfaceUnit = CFDictionaryGetValue(interface_entity, CFSTR(kSCNetworkInterfaceIOInterfaceUnit));
+       if (isA_CFNumber(ioInterfaceUnit) == NULL) {
+               SC_log(LOG_INFO, "No IOInterfaceUnit");
+
+               goto done;
+       }
+       ioMACAddress = CFDictionaryGetValue(interface_entity, CFSTR(kSCNetworkInterfaceIOMACAddress));
+       if (isA_CFData(ioMACAddress) == NULL) {
+               SC_log(LOG_INFO, "No IOMACAddress");
+               goto done;
+       }
+       ioPathMatch = CFDictionaryGetValue(interface_entity, CFSTR(kSCNetworkInterfaceIOPathMatch));
+       if (isA_CFString(ioPathMatch) == NULL) {
+               SC_log(LOG_INFO, "No IOPathMatch");
+               goto done;
+       } else {
+               // Check if Path contains the BSD Name in the end
+       }
+       SCNetworkInterfaceInfo = CFDictionaryGetValue(interface_entity, CFSTR(kSCNetworkInterfaceInfo));
+       if (isA_CFDictionary(SCNetworkInterfaceInfo) == NULL) {
+               SC_log(LOG_INFO, "No SCNetworkInterfaceInfo");
+               goto done;
+       }
+       userDefinedName = CFDictionaryGetValue(SCNetworkInterfaceInfo, kSCPropUserDefinedName);
+#if    !TARGET_OS_SIMULATOR
+       usbProductName = CFDictionaryGetValue(SCNetworkInterfaceInfo, CFSTR(kUSBProductString));
+       idProduct = CFDictionaryGetValue(SCNetworkInterfaceInfo, CFSTR(kUSBProductID));
+       idVendor = CFDictionaryGetValue(SCNetworkInterfaceInfo, CFSTR(kUSBVendorID));
+#endif // !TARGET_OS_SIMULATOR
+
+       type = CFDictionaryGetValue(interface_entity, CFSTR(kSCNetworkInterfaceType));
+       if (isA_CFString(type) == NULL) {
+               SC_log(LOG_INFO, "No SCNetworkInterfaceType");
+               goto done;
+       }
+
+       interfacePrivate = __SCNetworkInterfaceCreatePrivate(NULL, NULL, NULL, NULL);
+       interfacePrivate->active = CFBooleanGetValue(active);
+       interfacePrivate->entity_device = CFRetain(bsdName);
+       interfacePrivate->builtin = CFBooleanGetValue(ioBuiltin);
+       interfacePrivate->prefix = CFRetain(ioInterfaceNamePrefix);
+       interfacePrivate->type = CFRetain(ioInterfaceType);
+       interfacePrivate->unit = CFRetain(ioInterfaceUnit);
+       interfacePrivate->address = CFRetain(ioMACAddress);
+       interfacePrivate->path = CFRetain(ioPathMatch);
+       interfacePrivate->name = ((userDefinedName != NULL) ? CFRetain(userDefinedName) : NULL);
+       interfacePrivate->localized_name = ((userDefinedName != NULL) ? CFRetain(userDefinedName) : NULL);
+       interfacePrivate->usb.name = ((usbProductName != NULL) ? CFRetain(usbProductName) : NULL);
+       interfacePrivate->usb.pid = ((idProduct != NULL) ? CFRetain(idProduct) : NULL);
+       interfacePrivate->usb.vid = ((idVendor != NULL) ? CFRetain(idVendor) : NULL);
+
+       // Handling interface types to be seen in NetworkInterfaces.plist
+       CFIndex interfaceIndex;
+
+       interfaceIndex = findConfiguration(type);
+       if (interfaceIndex != kCFNotFound) {
+               interfacePrivate->interface_type = *configurations[interfaceIndex].interface_type;
+       } else {
+               interfacePrivate->interface_type = kSCNetworkInterfaceTypeEthernet;
+       }
+
+       // Extracting entity type from value of interface type
+       if (ioInterfaceTypeNum == kInterfaceTypeEthernetValue) {
+               interfacePrivate->entity_type = kSCValNetInterfaceTypeEthernet; // kSCNetworkInterfaceTypeEthernet;
+       } else if (ioInterfaceTypeNum == kInterfaceTypeFirewireValue) {
+               interfacePrivate->entity_type = kSCValNetInterfaceTypeFireWire;
+       }
+done:
+       if (ioInterfaceNamePrefix != NULL) {
+               CFRelease(ioInterfaceNamePrefix);
+       }
+
+       return (SCNetworkInterfaceRef)interfacePrivate;
+}
+
+
+__private_extern__
+void
+_SCNetworkInterfaceCacheOpen(void)
+{
+       if (!__SCNetworkInterfaceCacheIsOpen()) {
+               S_interface_cache = CFDictionaryCreateMutable(NULL,
+                                                             0,
+                                                             &kCFTypeDictionaryKeyCallBacks,
+                                                             &kCFTypeDictionaryValueCallBacks);
+               SC_log(LOG_DEBUG, "SCNetworkInterface cache (%p): open", S_interface_cache);
+       }
+}
+
+
+__private_extern__
+void
+_SCNetworkInterfaceCacheClose(void)
+{
+       if (__SCNetworkInterfaceCacheIsOpen()) {
+               SC_log(LOG_DEBUG, "SCNetworkInterface cache (%p): close", S_interface_cache);
+               CFRelease(S_interface_cache);
+               S_interface_cache = NULL;
+       }
+}
+
+
+static void
+__SCNetworkInterfaceCacheAdd(CFStringRef bsdName, CFArrayRef matchingInterfaces)
+{
+       if (__SCNetworkInterfaceCacheIsOpen() &&
+           bsdName != NULL &&
+           matchingInterfaces != NULL) {
+               SC_log(LOG_DEBUG, "SCNetworkInterface cache (%p): add %@", S_interface_cache, bsdName);
+               CFDictionaryAddValue(S_interface_cache, bsdName, matchingInterfaces);
+       }
+}
+
+
+static inline Boolean
+__SCNetworkInterfaceCacheIsOpen(void)
+{
+       return (S_interface_cache != NULL);
+}
+
+
+static CFArrayRef
+__SCNetworkInterfaceCacheCopy(CFStringRef bsdName)
+{
+       if (__SCNetworkInterfaceCacheIsOpen() &&
+           bsdName != NULL) {
+               CFArrayRef matchingInterfaces = CFDictionaryGetValue(S_interface_cache, bsdName);
+               if (matchingInterfaces) {
+                       CFRetain(matchingInterfaces);
+                       SC_log(LOG_DEBUG, "SCNetworkInterface cache (%p): copy w/ match for %@", S_interface_cache, bsdName);
+               } else {
+                       SC_log(LOG_DEBUG, "SCNetworkInterface cache (%p): copy w/ no match for %@", S_interface_cache, bsdName);
+               }
+
+               return matchingInterfaces;
+       }
+
+       return NULL;
+}
+
+
 SCNetworkInterfaceRef
-_SCNetworkInterfaceCreateWithEntity(CFAllocatorRef             allocator,
-                                   CFDictionaryRef             interface_entity,
-                                   SCNetworkServiceRef         service)
+_SCNetworkInterfaceCreateWithEntity(CFAllocatorRef     allocator,
+                                   CFDictionaryRef     interface_entity,
+                                   SCNetworkServiceRef service)
 {
+#pragma unused(allocator)
        SCNetworkInterfacePrivateRef    interfacePrivate        = NULL;
        CFStringRef                     ifDevice;
        CFStringRef                     ifName                  = NULL;
@@ -3158,10 +4005,18 @@ _SCNetworkInterfaceCreateWithEntity(CFAllocatorRef              allocator,
        CFStringRef                     ifType;
        CFStringRef                     ifUnique;
        CFArrayRef                      matching_interfaces     = NULL;
+       SCPreferencesRef                servicePref             = NULL;
+       Boolean                         useSystemInterfaces     = TRUE;
 
        /* initialize runtime (and kSCNetworkInterfaceIPv4) */
        pthread_once(&initialized, __SCNetworkInterfaceInitialize);
 
+       if (service != NULL) {
+               servicePref = ((SCNetworkServicePrivateRef)service)->prefs;
+               useSystemInterfaces = ((__SCPreferencesUsingDefaultPrefs(servicePref)) &&
+                                      (!__SCPreferencesGetLimitSCNetworkConfiguration(servicePref)));
+       }
+
        ifType = CFDictionaryGetValue(interface_entity, kSCPropNetInterfaceType);
        if (ifType == NULL) {
                /*
@@ -3169,7 +4024,7 @@ _SCNetworkInterfaceCreateWithEntity(CFAllocatorRef                allocator,
                 * assumption that this is an "Ethernet" interface.  If a
                 * real interface exists with the provided interface name
                 * then the actual type will be set accordingly. If not, we'll
-                * end up crafting an "Ethernet" SCNetworkInterface which
+                * end up crafting an "Ethernet" SCNetworkInterface that
                 * will keep the rest of the configuration APIs happy.
                 */
                ifType = kSCValNetInterfaceTypeEthernet;
@@ -3204,17 +4059,27 @@ _SCNetworkInterfaceCreateWithEntity(CFAllocatorRef              allocator,
                        interfacePrivate = __SCNetworkInterfaceCreateCopy(NULL, kSCNetworkInterfaceLoopback, NULL, NULL);
                        goto done;
                }
+               if (useSystemInterfaces) {
+                       // Check to see if we already have the info in the cache
+                       matching_interfaces = __SCNetworkInterfaceCacheCopy(ifDevice);
+                       if (matching_interfaces == NULL) {
+                               if (_SC_cfstring_to_cstring(ifDevice, bsdName, sizeof(bsdName), kCFStringEncodingASCII) == NULL) {
+                                       goto done;
+                               }
 
-               if (_SC_cfstring_to_cstring(ifDevice, bsdName, sizeof(bsdName), kCFStringEncodingASCII) == NULL) {
-                       goto done;
-               }
+                               matching = IOBSDNameMatching(masterPort, 0, bsdName);
+                               if (matching == NULL) {
+                                       goto done;
+                               }
+                               matching_interfaces = findMatchingInterfaces(matching,
+                                                                            processNetworkInterface,
+                                                                            kSCNetworkInterfaceHiddenInterfaceKey,
+                                                                            TRUE);
 
-               matching = IOBSDNameMatching(masterPort, 0, bsdName);
-               if (matching == NULL) {
-                       goto done;
+                               __SCNetworkInterfaceCacheAdd(ifDevice, matching_interfaces);
+                               CFRelease(matching);
+                       }
                }
-               matching_interfaces = findMatchingInterfaces(matching, processNetworkInterface);
-               CFRelease(matching);
        } else if (CFEqual(ifType, kSCValNetInterfaceTypePPP)) {
                if (CFEqual(ifSubType, kSCValNetInterfaceSubTypePPPSerial)) {
                        CFDictionaryRef matching;
@@ -3225,21 +4090,25 @@ _SCNetworkInterfaceCreateWithEntity(CFAllocatorRef              allocator,
                                return NULL;
                        }
 
-                       match_keys[0] = CFSTR(kIOProviderClassKey);
-                       match_vals[0] = CFSTR(kIOSerialBSDServiceValue);
-
-                       match_keys[1] = CFSTR(kIOTTYBaseNameKey);
-                       match_vals[1] = ifDevice;
-
-                       matching = CFDictionaryCreate(NULL,
-                                                     (const void **)match_keys,
-                                                     (const void **)match_vals,
-                                                     sizeof(match_keys)/sizeof(match_keys[0]),
-                                                     &kCFTypeDictionaryKeyCallBacks,
-                                                     &kCFTypeDictionaryValueCallBacks);
-                       matching_interfaces = findMatchingInterfaces(matching, processSerialInterface);
-                       CFRelease(matching);
-
+                       if (useSystemInterfaces) {
+                               match_keys[0] = CFSTR(kIOProviderClassKey);
+                               match_vals[0] = CFSTR(kIOSerialBSDServiceValue);
+
+                               match_keys[1] = CFSTR(kIOTTYBaseNameKey);
+                               match_vals[1] = ifDevice;
+
+                               matching = CFDictionaryCreate(NULL,
+                                                             (const void **)match_keys,
+                                                             (const void **)match_vals,
+                                                             sizeof(match_keys)/sizeof(match_keys[0]),
+                                                             &kCFTypeDictionaryKeyCallBacks,
+                                                             &kCFTypeDictionaryValueCallBacks);
+                               matching_interfaces = findMatchingInterfaces(matching,
+                                                                            processSerialInterface,
+                                                                            kSCNetworkInterfaceHiddenPortKey,
+                                                                            TRUE);
+                               CFRelease(matching);
+                       }
                        if (ifUnique == NULL) {
                                CFIndex n;
                                Boolean useDeviceName   = TRUE;
@@ -3259,7 +4128,7 @@ _SCNetworkInterfaceCreateWithEntity(CFAllocatorRef                allocator,
                                        }
                                }
 
-                               if (useDeviceName) {
+                               if (useDeviceName && useSystemInterfaces) {
                                        if (matching_interfaces != NULL) {
                                                CFRelease(matching_interfaces);
                                        }
@@ -3271,16 +4140,22 @@ _SCNetworkInterfaceCreateWithEntity(CFAllocatorRef              allocator,
                                                                      sizeof(match_keys)/sizeof(match_keys[0]),
                                                                      &kCFTypeDictionaryKeyCallBacks,
                                                                      &kCFTypeDictionaryValueCallBacks);
-                                       matching_interfaces = findMatchingInterfaces(matching, processSerialInterface);
+                                       matching_interfaces = findMatchingInterfaces(matching,
+                                                                                    processSerialInterface,
+                                                                                    kSCNetworkInterfaceHiddenPortKey,
+                                                                                    TRUE);
                                        CFRelease(matching);
                                }
                        }
                } else if (CFEqual(ifSubType, kSCValNetInterfaceSubTypeL2TP)) {
                        interfacePrivate = (SCNetworkInterfacePrivateRef)SCNetworkInterfaceCreateWithInterface(kSCNetworkInterfaceIPv4,
                                                                                                               kSCNetworkInterfaceTypeL2TP);
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated"
                } else if (CFEqual(ifSubType, kSCValNetInterfaceSubTypePPTP)) {
                        interfacePrivate = (SCNetworkInterfacePrivateRef)SCNetworkInterfaceCreateWithInterface(kSCNetworkInterfaceIPv4,
                                                                                                               kSCNetworkInterfaceTypePPTP);
+#pragma GCC diagnostic pop
                } else {
                        // XXX do we allow non-Apple variants of PPP??? XXX
                        interfacePrivate = (SCNetworkInterfacePrivateRef)SCNetworkInterfaceCreateWithInterface(kSCNetworkInterfaceIPv4,
@@ -3311,6 +4186,7 @@ _SCNetworkInterfaceCreateWithEntity(CFAllocatorRef                allocator,
        if (matching_interfaces != NULL) {
                CFIndex                 n;
                SCPreferencesRef        prefs;
+               Boolean                 temp_preferences        = FALSE;
 
                n = CFArrayGetCount(matching_interfaces);
                switch (n) {
@@ -3328,7 +4204,21 @@ _SCNetworkInterfaceCreateWithEntity(CFAllocatorRef               allocator,
                                if (!CFEqual(ifType, kSCValNetInterfaceTypeEthernet)) {
                                        break;
                                }
-                               prefs = SCPreferencesCreate(NULL, CFSTR("SCNetworkInterface"), NULL);
+
+                               if (CFDictionaryGetValueIfPresent(interface_entity,
+                                                                 kSCPropUserDefinedName,
+                                                                 (const void **)&ifName) &&
+                                   CFEqual(ifName, CFSTR(BT_PAN_NAME))) {
+                                       break;
+                               }
+
+                               prefs = (service != NULL) ? ((SCNetworkServicePrivateRef)service)->prefs : NULL;
+                               if (prefs == NULL) {
+                                       prefs = SCPreferencesCreate(NULL, CFSTR("SCNetworkInterface"), NULL);
+                                       if (prefs != NULL) {
+                                               temp_preferences = TRUE;
+                                       }
+                               }
                                if (prefs == NULL) {
                                        break;
                                }
@@ -3346,7 +4236,7 @@ _SCNetworkInterfaceCreateWithEntity(CFAllocatorRef                allocator,
                                    && !CFDictionaryContainsKey(interface_entity, CFSTR("_NO_VLAN_INTERFACES_"))) {
                                        interfacePrivate = (SCNetworkInterfacePrivateRef)findVLANInterface(prefs, ifDevice);
                                }
-                               CFRelease(prefs);
+                               if (temp_preferences) CFRelease(prefs);
                                break;
                        default :
                                if (ifUnique != NULL) {
@@ -3368,8 +4258,8 @@ _SCNetworkInterfaceCreateWithEntity(CFAllocatorRef                allocator,
                                                }
                                        }
                                } else if (CFDictionaryGetValueIfPresent(interface_entity,
-                                                                       kSCPropUserDefinedName,
-                                                                       (const void **)&ifName)) {
+                                                                        kSCPropUserDefinedName,
+                                                                        (const void **)&ifName)) {
                                        CFIndex i;
 
                                        // we don't have a unique ID but do have an interface
@@ -3398,7 +4288,7 @@ _SCNetworkInterfaceCreateWithEntity(CFAllocatorRef                allocator,
                                        }
                                }
                                if (interfacePrivate == NULL) {
-                                       SCLog(TRUE, LOG_ERR, CFSTR("_SCNetworkInterfaceCreateWithEntity() failed, more than one interface matches %@"), ifDevice);
+                                       SC_log(LOG_NOTICE, "more than one interface matches %@", ifDevice);
                                        interfacePrivate = (SCNetworkInterfacePrivateRef)CFArrayGetValueAtIndex(matching_interfaces, 0);
                                }
                                CFRetain(interfacePrivate);
@@ -3409,51 +4299,93 @@ _SCNetworkInterfaceCreateWithEntity(CFAllocatorRef              allocator,
 
     done :
 
-       if (interfacePrivate == NULL) {
+       if ((interfacePrivate == NULL) || !useSystemInterfaces)  {
                /*
                 * if device not present on this system
                 */
+               if (!useSystemInterfaces) {
+                       if (interfacePrivate != NULL) {
+                               CFRelease(interfacePrivate);
+                       }
+               }
+
                interfacePrivate = __SCNetworkInterfaceCreatePrivate(NULL, NULL, NULL, NULL);
-               interfacePrivate->entity_type          = ifType;
-               interfacePrivate->entity_subtype       = ifSubType;
+               interfacePrivate->entity_type          = (ifType != NULL) ? ifType : NULL;
+               interfacePrivate->entity_subtype       = (ifSubType != NULL) ? ifSubType : NULL;
                interfacePrivate->entity_device        = (ifDevice != NULL) ? CFStringCreateCopy(NULL, ifDevice) : NULL;
                interfacePrivate->entity_device_unique = (ifUnique != NULL) ? CFStringCreateCopy(NULL, ifUnique) : NULL;
 
+               // Using UserDefinedName to check the validity of preferences file
+               // when useSystemInterfaces is FALSE
+               if (!useSystemInterfaces) {
+                       CFStringRef userDefinedName = CFDictionaryGetValue(interface_entity, kSCPropUserDefinedName);
+                       if (isA_CFString(userDefinedName) != NULL) {
+                               CFRetain(userDefinedName);
+                               if (interfacePrivate->name != NULL) {
+                                       CFRelease(interfacePrivate->name);
+                               }
+                               interfacePrivate->name = userDefinedName;
+
+                               CFRetain(userDefinedName);
+                               if (interfacePrivate->localized_name != NULL) {
+                                       CFRelease(interfacePrivate->localized_name);
+                               }
+                               interfacePrivate->localized_name = userDefinedName;
+                       }
+               }
+
                if (CFEqual(ifType, kSCValNetInterfaceTypeEthernet)) {
                        CFStringRef     entity_hardware;
+                       SCNetworkInterfaceRef virtualInterface;
 
-                       entity_hardware = CFDictionaryGetValue(interface_entity, kSCPropNetInterfaceHardware);
-                       if (isA_CFString((entity_hardware)) &&
-                           CFEqual(entity_hardware, kSCEntNetAirPort)) {
-                               interfacePrivate->interface_type = kSCNetworkInterfaceTypeIEEE80211;
-                               interfacePrivate->localized_key  = CFSTR("airport");
-                               interfacePrivate->sort_order     = kSortAirPort;
+                       if (!useSystemInterfaces &&
+                           (((virtualInterface = findBridgeInterface(servicePref, ifDevice)) != NULL) ||
+#if    !TARGET_OS_IPHONE
+                           ((virtualInterface = findBondInterface(servicePref,  ifDevice)) != NULL) ||
+#endif // !TARGET_OS_IPHONE
+                           ((virtualInterface = findVLANInterface(servicePref, ifDevice)) != NULL))) {
+                               CFRelease(interfacePrivate);
+                               interfacePrivate = (SCNetworkInterfacePrivateRef)virtualInterface;
                        } else {
-                               CFStringRef     name;
-
-                               interfacePrivate->interface_type = kSCNetworkInterfaceTypeEthernet;
-
-                               name = CFDictionaryGetValue(interface_entity, kSCPropUserDefinedName);
-                               if (_SCNetworkInterfaceMatchesName(name, CFSTR("iPhone"))) {
-                                       interfacePrivate->localized_key = CFSTR("iPhone");
-                                       interfacePrivate->sort_order    = kSortTethered;
-                               } else if (_SCNetworkInterfaceMatchesName(name, CFSTR("bluetooth-pan-gn"))) {
-                                       interfacePrivate->localized_key = CFSTR("bluetooth-pan-gn");
-                                       interfacePrivate->sort_order    = kSortBluetoothPAN_GN;
-                               } else if (_SCNetworkInterfaceMatchesName(name, CFSTR("bluetooth-pan-nap"))) {
-                                       interfacePrivate->localized_key = CFSTR("bluetooth-pan-nap");
-                                       interfacePrivate->sort_order    = kSortBluetoothPAN_NAP;
-                               } else if (_SCNetworkInterfaceMatchesName(name, CFSTR("bluetooth-pan-u"))) {
-                                       interfacePrivate->localized_key = CFSTR("bluetooth-pan-u");
-                                       interfacePrivate->sort_order    = kSortBluetoothPAN_U;
+                               entity_hardware = CFDictionaryGetValue(interface_entity, kSCPropNetInterfaceHardware);
+                               if (isA_CFString((entity_hardware)) &&
+                                   CFEqual(entity_hardware, kSCEntNetAirPort)) {
+                                       interfacePrivate->interface_type = kSCNetworkInterfaceTypeIEEE80211;
+                                       interfacePrivate->localized_key  = CFSTR("airport");
+                                       interfacePrivate->sort_order     = kSortAirPort;
                                } else {
-                                       interfacePrivate->sort_order = kSortEthernet;
+                                       CFStringRef     name;
+
+                                       interfacePrivate->interface_type = kSCNetworkInterfaceTypeEthernet;
+
+                                       name = CFDictionaryGetValue(interface_entity, kSCPropUserDefinedName);
+                                       if (__SCNetworkInterfaceMatchesName(name, CFSTR("iPhone"))) {
+                                               interfacePrivate->localized_key = CFSTR("iPhone");
+                                               interfacePrivate->sort_order    = kSortTethered;
+                                       } else if (__SCNetworkInterfaceMatchesName(name, CFSTR("iPad"))) {
+                                               interfacePrivate->localized_key = CFSTR("iPad");
+                                               interfacePrivate->sort_order    = kSortTethered;
+                                       } else if (__SCNetworkInterfaceMatchesName(name, CFSTR("thunderbolt"))) {
+                                               interfacePrivate->localized_key = CFSTR("thunderbolt");
+                                               interfacePrivate->sort_order    = kSortThunderbolt;
+                                       } else if (__SCNetworkInterfaceMatchesName(name, CFSTR("bluetooth-pan-gn"))) {
+                                               interfacePrivate->localized_key = CFSTR("bluetooth-pan-gn");
+                                               interfacePrivate->sort_order    = kSortBluetoothPAN_GN;
+                                       } else if (__SCNetworkInterfaceMatchesName(name, CFSTR("bluetooth-pan-nap"))) {
+                                               interfacePrivate->localized_key = CFSTR("bluetooth-pan-nap");
+                                               interfacePrivate->sort_order    = kSortBluetoothPAN_NAP;
+                                       } else if (__SCNetworkInterfaceMatchesName(name, CFSTR("bluetooth-pan-u"))) {
+                                               interfacePrivate->localized_key = CFSTR("bluetooth-pan-u");
+                                               interfacePrivate->sort_order    = kSortBluetoothPAN_U;
+                                       } else {
+                                               interfacePrivate->sort_order = kSortEthernet;
+                                       }
                                }
                        }
                } else if (CFEqual(ifType, kSCValNetInterfaceTypeFireWire)) {
                        interfacePrivate->interface_type = kSCNetworkInterfaceTypeFireWire;
                        interfacePrivate->sort_order     = kSortFireWire;
-               } else if (CFEqual(ifType, kSCValNetInterfaceTypePPP)) {
+               } else if (CFEqual(ifType, kSCValNetInterfaceTypePPP) && (ifSubType != NULL)) {
                        if (CFEqual(ifSubType, kSCValNetInterfaceSubTypePPPoE)) {
                                CFStringRef     entity_hardware;
 
@@ -3482,7 +4414,6 @@ _SCNetworkInterfaceCreateWithEntity(CFAllocatorRef                allocator,
                                }
                        } else {
                                SCNetworkInterfaceRef   child;
-
                                // PPTP, L2TP, ...
                                CFRelease(interfacePrivate);
                                child = SCNetworkInterfaceCreateWithInterface(kSCNetworkInterfaceIPv4, ifSubType);
@@ -3491,23 +4422,37 @@ _SCNetworkInterfaceCreateWithEntity(CFAllocatorRef              allocator,
                                        return NULL;
                                }
                        }
-               } else if (CFEqual(ifType, kSCValNetInterfaceTypeVPN)) {
+               } else if (CFEqual(ifType, kSCValNetInterfaceTypeVPN) && (ifSubType != NULL)) {
                        SCNetworkInterfaceRef   child;
-
                        CFRelease(interfacePrivate);
                        child = SCNetworkInterfaceCreateWithInterface(kSCNetworkInterfaceIPv4, ifSubType);
                        interfacePrivate = (SCNetworkInterfacePrivateRef)child;
                        if (interfacePrivate == NULL) {
                                return NULL;
                        }
+               } else if (CFEqual(ifType, kSCValNetInterfaceTypeIPSec)) {
+                       CFRelease(interfacePrivate);
+                       interfacePrivate = (SCNetworkInterfacePrivateRef)SCNetworkInterfaceCreateWithInterface(kSCNetworkInterfaceIPv4,
+                                                                                                              kSCNetworkInterfaceTypeIPSec);
+               } else if (CFEqual(ifType, kSCValNetInterfaceType6to4)) {
+                       CFRelease(interfacePrivate);
+                       if (!isA_CFString(ifDevice)) {
+                               return NULL;
+                       }
+                       interfacePrivate = (SCNetworkInterfacePrivateRef)SCNetworkInterfaceCreateWithInterface(kSCNetworkInterfaceIPv4,
+                                                                                                              kSCNetworkInterfaceType6to4);
+               } else if (CFEqual(ifType, kSCValNetInterfaceTypeLoopback)) {
+                       CFRelease(interfacePrivate);
+                       interfacePrivate = __SCNetworkInterfaceCreateCopy(NULL, kSCNetworkInterfaceLoopback, NULL, NULL);
                } else if (CFStringFind(ifType, CFSTR("."), 0).location != kCFNotFound) {
                        // if vendor interface
+                       pthread_mutex_lock(&lock);
                        if (vendor_interface_types == NULL) {
                                vendor_interface_types = CFSetCreateMutable(NULL, 0, &kCFTypeSetCallBacks);
                        }
                        CFSetAddValue(vendor_interface_types, ifType);
-
                        interfacePrivate->interface_type = CFSetGetValue(vendor_interface_types, ifType);
+                       pthread_mutex_unlock(&lock);
                } else {
                        // if unknown interface
                        CFRelease(interfacePrivate);
@@ -3518,6 +4463,11 @@ _SCNetworkInterfaceCreateWithEntity(CFAllocatorRef               allocator,
                if (CFDictionaryContainsKey(interface_entity, kSCNetworkInterfaceHiddenConfigurationKey)) {
                        interfacePrivate->hidden = TRUE;
                }
+#if    TARGET_OS_IPHONE
+               if (CFDictionaryContainsKey(interface_entity, kSCNetworkInterfaceTrustRequiredKey)) {
+                       interfacePrivate->trustRequired = TRUE;
+               }
+#endif // TARGET_OS_IPHONE
        }
 
        if (service != NULL) {
@@ -3557,7 +4507,6 @@ _SCNetworkInterfaceCreateWithEntity(CFAllocatorRef                allocator,
                                __SCNetworkInterfaceSetService(member, service);
                        }
                }
-
                // set prefs & serviceID to VLAN pyhsical interface
                if (CFEqual(interfacePrivate->interface_type, kSCNetworkInterfaceTypeVLAN)) {
                        SCNetworkInterfaceRef   vlan_physical;
@@ -3597,15 +4546,18 @@ _SCNetworkInterfaceCreateWithEntity(CFAllocatorRef              allocator,
 
 __private_extern__
 CFArrayRef
-__SCNetworkInterfaceCopyAll_IONetworkInterface(void)
+__SCNetworkInterfaceCopyAll_IONetworkInterface(Boolean keep_pre_configured)
 {
        CFDictionaryRef         matching;
        CFArrayRef              new_interfaces;
 
-       // get Ethernet, Firewire, and AirPort interfaces
+       // get Ethernet, Firewire, Thunderbolt, and AirPort interfaces
 
        matching = IOServiceMatching(kIONetworkInterfaceClass);
-       new_interfaces = findMatchingInterfaces(matching, processNetworkInterface);
+       new_interfaces = findMatchingInterfaces(matching,
+                                               processNetworkInterface,
+                                               kSCNetworkInterfaceHiddenInterfaceKey,
+                                               keep_pre_configured);
        CFRelease(matching);
 
        return new_interfaces;
@@ -3633,7 +4585,10 @@ __SCNetworkInterfaceCopyAll_Modem()
                                      sizeof(match_keys)/sizeof(match_keys[0]),
                                      &kCFTypeDictionaryKeyCallBacks,
                                      &kCFTypeDictionaryValueCallBacks);
-       new_interfaces = findMatchingInterfaces(matching, processSerialInterface);
+       new_interfaces = findMatchingInterfaces(matching,
+                                               processSerialInterface,
+                                               kSCNetworkInterfaceHiddenPortKey,
+                                               FALSE);
        CFRelease(matching);
 
        return new_interfaces;
@@ -3661,7 +4616,10 @@ __SCNetworkInterfaceCopyAll_RS232()
                                      sizeof(match_keys)/sizeof(match_keys[0]),
                                      &kCFTypeDictionaryKeyCallBacks,
                                      &kCFTypeDictionaryValueCallBacks);
-       new_interfaces = findMatchingInterfaces(matching, processSerialInterface);
+       new_interfaces = findMatchingInterfaces(matching,
+                                               processSerialInterface,
+                                               kSCNetworkInterfaceHiddenPortKey,
+                                               FALSE);
        CFRelease(matching);
 
        return new_interfaces;
@@ -3670,11 +4628,11 @@ __SCNetworkInterfaceCopyAll_RS232()
 
 #if    !TARGET_OS_IPHONE
 static void
-addBTPANInterface(SCPreferencesRef prefs, CFMutableArrayRef all_interfaces)
+addBTPANInterface(CFMutableArrayRef all_interfaces)
 {
-       CFIndex         i;
-       CFIndex         n;
-       CFArrayRef      services;
+       CFIndex                 i;
+       SCNetworkInterfaceRef   interface;
+       CFIndex                 n;
 
        n = CFArrayGetCount(all_interfaces);
        for (i = 0; i < n; i++) {
@@ -3687,24 +4645,11 @@ addBTPANInterface(SCPreferencesRef prefs, CFMutableArrayRef all_interfaces)
                }
        }
 
-       services = SCNetworkServiceCopyAll(prefs);
-       if (services != NULL) {
-               n = CFArrayGetCount(services);
-               for (i = 0; i < n; i++) {
-                       SCNetworkInterfaceRef   interface;
-                       SCNetworkServiceRef     service;
-
-                       service = CFArrayGetValueAtIndex(services, i);
-                       interface = SCNetworkServiceGetInterface(service);
-                       if ((interface != NULL) &&
-                           _SCNetworkInterfaceIsBluetoothPAN(interface)) {
-                               // include BT-PAN interface
-                               CFArrayAppendValue(all_interfaces, interface);
-                               break;
-                       }
-               }
-
-               CFRelease(services);
+       interface = _SCNetworkInterfaceCopyBTPANInterface();
+       if (interface != NULL) {
+               // include BT-PAN interface
+               CFArrayAppendValue(all_interfaces, interface);
+               CFRelease(interface);
        }
 
        return;
@@ -3737,14 +4682,16 @@ add_interfaces(CFMutableArrayRef all_interfaces, CFArrayRef new_interfaces)
 static void
 __waitForInterfaces()
 {
-       CFStringRef             key;
+       CFStringRef             key     = NULL;
        CFArrayRef              keys;
        Boolean                 ok;
-       SCDynamicStoreRef       store;
+       SCDynamicStoreRef       store   = NULL;
+
+       CRSetCrashLogMessage("Waiting for IOKit to quiesce (or timeout)");
 
        store = SCDynamicStoreCreate(NULL, CFSTR("SCNetworkInterfaceCopyAll"), NULL, NULL);
        if (store == NULL) {
-               return;
+               goto done;
        }
 
        key = SCDynamicStoreKeyCreate(NULL, CFSTR("%@" "InterfaceNamer"), kSCDynamicStoreDomainPlugin);
@@ -3752,8 +4699,7 @@ __waitForInterfaces()
        ok = SCDynamicStoreSetNotificationKeys(store, keys, NULL);
        CFRelease(keys);
        if (!ok) {
-               SCLog(TRUE, LOG_ERR,
-                     CFSTR("SCDynamicStoreSetNotificationKeys() failed: %s"), SCErrorString(SCError()));
+               SC_log(LOG_NOTICE, "SCDynamicStoreSetNotificationKeys() failed: %s", SCErrorString(SCError()));
                goto done;
        }
 
@@ -3766,8 +4712,8 @@ __waitForInterfaces()
                dict = SCDynamicStoreCopyValue(store, key);
                if (dict != NULL) {
                        if (isA_CFDictionary(dict) &&
-                           (CFDictionaryContainsKey(dict, CFSTR("*QUIET*")) ||
-                            CFDictionaryContainsKey(dict, CFSTR("*TIMEOUT*")))) {
+                           (CFDictionaryContainsKey(dict, kInterfaceNamerKey_Quiet) ||
+                            CFDictionaryContainsKey(dict, kInterfaceNamerKey_Timeout))) {
                                quiet = TRUE;
                        }
                        CFRelease(dict);
@@ -3778,8 +4724,7 @@ __waitForInterfaces()
 
                ok = SCDynamicStoreNotifyWait(store);
                if (!ok) {
-                       SCLog(TRUE, LOG_ERR,
-                             CFSTR("SCDynamicStoreNotifyWait() failed: %s"), SCErrorString(SCError()));
+                       SC_log(LOG_NOTICE, "SCDynamicStoreNotifyWait() failed: %s", SCErrorString(SCError()));
                        goto done;
                }
 
@@ -3791,8 +4736,10 @@ __waitForInterfaces()
 
     done :
 
-       CFRelease(key);
-       CFRelease(store);
+       CRSetCrashLogMessage(NULL);
+
+       if (key != NULL) CFRelease(key);
+       if (store != NULL) CFRelease(store);
        return;
 }
 
@@ -3812,8 +4759,8 @@ _SCNetworkInterfaceCopyAllWithPreferences(SCPreferencesRef prefs)
 
        all_interfaces = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
 
-       // get Ethernet, Firewire, and AirPort interfaces
-       new_interfaces = __SCNetworkInterfaceCopyAll_IONetworkInterface();
+       // get Ethernet, Firewire, Thunderbolt, and AirPort interfaces
+       new_interfaces = __SCNetworkInterfaceCopyAll_IONetworkInterface(FALSE);
        if (new_interfaces != NULL) {
                add_interfaces(all_interfaces, new_interfaces);
                CFRelease(new_interfaces);
@@ -3863,7 +4810,7 @@ _SCNetworkInterfaceCopyAllWithPreferences(SCPreferencesRef prefs)
 
 #if    !TARGET_OS_IPHONE
                // add BT-PAN interface
-               addBTPANInterface(prefs, all_interfaces);
+               addBTPANInterface(all_interfaces);
 #endif // !TARGET_OS_IPHONE
 
                if (temp_preferences) CFRelease(prefs);
@@ -3914,9 +4861,6 @@ SCNetworkInterfaceGetSupportedInterfaceTypes(SCNetworkInterfaceRef interface)
                        if (configurations[i].supported_interfaces & doPPP) {
                                CFArrayAppendValue(interfacePrivate->supported_interface_types, kSCNetworkInterfaceTypePPP);
                        }
-                       if (configurations[i].supported_interfaces & doPPTP) {
-                               CFArrayAppendValue(interfacePrivate->supported_interface_types, kSCNetworkInterfaceTypePPTP);
-                       }
                        if (configurations[i].supported_interfaces & doIPSec) {
                                CFArrayAppendValue(interfacePrivate->supported_interface_types, kSCNetworkInterfaceTypeIPSec);
                        }
@@ -4049,6 +4993,8 @@ SCNetworkInterfaceCreateWithInterface(SCNetworkInterfaceRef child, CFStringRef i
                parentPrivate->interface_type = kSCNetworkInterfaceTypeL2TP;
                parentPrivate->localized_key  = CFSTR("l2tp");
                parentPrivate->entity_type    = kSCEntNetL2TP;                  // interface config goes into "L2TP"
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated"
        } else if (CFEqual(interfaceType, kSCNetworkInterfaceTypePPTP)) {
                if ((childIndex == kCFNotFound) ||
                    ((configurations[childIndex].supported_interfaces & doPPTP) != doPPTP)) {
@@ -4058,6 +5004,7 @@ SCNetworkInterfaceCreateWithInterface(SCNetworkInterfaceRef child, CFStringRef i
                parentPrivate->interface_type = kSCNetworkInterfaceTypePPTP;
                parentPrivate->localized_key  = CFSTR("pptp");
                parentPrivate->entity_type    = kSCEntNetPPTP;                  // interface config goes into "PPTP"
+#pragma GCC diagnostic pop
        } else if (CFEqual(interfaceType, kSCNetworkInterfaceType6to4)) {
                if ((childIndex == kCFNotFound) ||
                    ((configurations[childIndex].supported_interfaces & do6to4) != do6to4)) {
@@ -4125,12 +5072,14 @@ SCNetworkInterfaceCreateWithInterface(SCNetworkInterfaceRef child, CFStringRef i
                }
        } else if (CFStringFind(interfaceType, CFSTR("."), 0).location != kCFNotFound) {
                // if custom interface type
+               pthread_mutex_lock(&lock);
                if (vendor_interface_types == NULL) {
                        vendor_interface_types = CFSetCreateMutable(NULL, 0, &kCFTypeSetCallBacks);
                }
                CFSetAddValue(vendor_interface_types, interfaceType);
-
                parentPrivate->interface_type = CFSetGetValue(vendor_interface_types, interfaceType);
+               pthread_mutex_unlock(&lock);
+
                parentPrivate->entity_type    = parentPrivate->interface_type;  // interface config goes into a
                                                                                // a dictionary with the same
                                                                                // name as the interfaceType
@@ -4141,6 +5090,10 @@ SCNetworkInterfaceCreateWithInterface(SCNetworkInterfaceRef child, CFStringRef i
 
        parentPrivate->hidden = childPrivate->hidden;
 
+#if    TARGET_OS_IPHONE
+       parentPrivate->trustRequired = childPrivate->trustRequired;
+#endif // TARGET_OS_IPHONE
+
        if (childPrivate->overrides != NULL) {
                parentPrivate->overrides = CFDictionaryCreateMutableCopy(NULL, 0, childPrivate->overrides);
        }
@@ -4316,6 +5269,26 @@ SCNetworkInterfaceGetExtendedConfiguration(SCNetworkInterfaceRef interface,
 }
 
 
+__private_extern__
+CFStringRef
+__SCNetworkInterfaceGetEntityType(SCNetworkInterfaceRef interface)
+{
+       SCNetworkInterfacePrivateRef interfacePrivate = (SCNetworkInterfacePrivateRef)interface;
+
+       return interfacePrivate->entity_type;
+}
+
+
+__private_extern__
+CFStringRef
+__SCNetworkInterfaceGetEntitySubType(SCNetworkInterfaceRef interface)
+{
+       SCNetworkInterfacePrivateRef interfacePrivate = (SCNetworkInterfacePrivateRef) interface;
+
+       return interfacePrivate->entity_subtype;
+}
+
+
 CFStringRef
 SCNetworkInterfaceGetBSDName(SCNetworkInterfaceRef interface)
 {
@@ -4350,7 +5323,7 @@ SCNetworkInterfaceGetHardwareAddressString(SCNetworkInterfaceRef interface)
            (interfacePrivate->addressString == NULL)) {
                uint8_t         *bp;
                char            *cp;
-               CFIndex         n;
+               size_t          n;
                char            mac[sizeof("xx:xx:xx:xx:xx:xx:xx:xx")];
                char            *mac_p  = mac;
 
@@ -4358,7 +5331,7 @@ SCNetworkInterfaceGetHardwareAddressString(SCNetworkInterfaceRef interface)
                n  = CFDataGetLength(interfacePrivate->address) * 3;
 
                if (n > sizeof(mac)) {
-                       mac_p = CFAllocatorAllocate(NULL, 0, n);
+                       mac_p = CFAllocatorAllocate(NULL, n, 0);
                }
 
                for (cp = mac_p; n > 0; n -= 3) {
@@ -4402,7 +5375,7 @@ SCNetworkInterfaceGetInterfaceType(SCNetworkInterfaceRef interface)
 
 
 static CFStringRef
-copy_interface_string(CFBundleRef bundle, CFStringRef key, Boolean localized)
+copy_string_from_bundle(CFBundleRef bundle, CFStringRef key, Boolean localized)
 {
        CFStringRef     str     = NULL;
 
@@ -4422,6 +5395,52 @@ copy_interface_string(CFBundleRef bundle, CFStringRef key, Boolean localized)
 }
 
 
+static CFStringRef
+copy_interface_string(CFBundleRef bundle, CFStringRef key, Boolean localized)
+{
+       static Boolean reported = FALSE;
+       CFStringRef     str     = NULL;
+
+       str = copy_string_from_bundle(bundle, key, localized);
+
+       if (str == NULL) {
+               SC_log(LOG_ERR, "Received NULL string for the interface key: {Bundle: %@, key: %@, localized: %d}", bundle,
+                                                                                                                   key,
+                                                                                                                   localized);
+               goto done;
+       }
+
+       if (CFEqual(str, key) && !reported) {
+               const CFStringRef knownStrKey = CFSTR("airport");
+               CFStringRef knownStrValue = NULL;
+
+               knownStrValue = copy_string_from_bundle(bundle, knownStrKey, localized);
+               if (knownStrValue == NULL || CFEqual(knownStrValue, knownStrKey)) {
+                       /* We are here because we requested for a localized/non-localized string
+                          based on the localization key, but we were given the same key/NULL back,
+                          implying a bad...bad thing!
+                        */
+                       SC_log(LOG_ERR, "Failed to retrieve the interface string: {Bundle: %@, key: %@, localized: %d}", bundle,
+                                                                                                                        knownStrKey,
+                                                                                                                        localized);
+
+#if    TARGET_OS_IPHONE
+                       /* ...and we want to know about it! */
+                       _SC_crash("Failed to retrieve interface string", NULL, NULL);
+#endif //TARGET_OS_IPHONE
+                       reported = TRUE;
+               }
+
+               if (knownStrValue != NULL) {
+                       CFRelease(knownStrValue);
+               }
+       }
+
+done:
+       return str;
+}
+
+
 static CFStringRef
 copy_display_name(SCNetworkInterfaceRef interface, Boolean localized, Boolean oldLocalization)
 {
@@ -4514,7 +5533,7 @@ copy_display_name(SCNetworkInterfaceRef interface, Boolean localized, Boolean ol
 }
 
 
-#if    !TARGET_OS_EMBEDDED && !TARGET_IPHONE_SIMULATOR
+#if    !TARGET_OS_IPHONE
 __private_extern__
 CFStringRef
 __SCNetworkInterfaceCopyXLocalizedDisplayName(SCNetworkInterfaceRef interface)
@@ -4545,7 +5564,46 @@ __SCNetworkInterfaceCopyXNonLocalizedDisplayName(SCNetworkInterfaceRef interface
        localized_name = copy_display_name(interface, FALSE, TRUE);
        return localized_name;
 }
-#endif // !TARGET_OS_EMBEDDED && !TARGET_IPHONE_SIMULATOR
+#endif // !TARGET_OS_IPHONE
+
+__private_extern__
+void
+__SCNetworkInterfaceSetUserDefinedName(SCNetworkInterfaceRef interface, CFStringRef name)
+{
+       SCNetworkInterfacePrivateRef interfacePrivate = (SCNetworkInterfacePrivateRef)interface;
+
+       if (!isA_SCNetworkInterface(interface)) {
+               return;
+       }
+       if (name != NULL) {
+               CFRetain(name);
+       }
+       if (interfacePrivate->name != NULL) {
+               CFRelease(interfacePrivate->name);
+       }
+       interfacePrivate->name = name;
+
+       if (name != NULL) {
+               CFRetain(name);
+       }
+       if (interfacePrivate->localized_name != NULL) {
+               CFRelease(interfacePrivate->localized_name);
+       }
+       interfacePrivate->localized_name = name;
+}
+
+__private_extern__
+CFStringRef
+__SCNetworkInterfaceGetUserDefinedName(SCNetworkInterfaceRef interface)
+{
+       SCNetworkInterfacePrivateRef interfacePrivate = (SCNetworkInterfacePrivateRef)interface;
+
+       if (!isA_SCNetworkInterface(interface)) {
+               return NULL;
+       }
+
+       return interfacePrivate->name;
+}
 
 
 __private_extern__
@@ -4586,11 +5644,11 @@ SCNetworkInterfaceGetLocalizedDisplayName(SCNetworkInterfaceRef interface)
 
 
 __private_extern__
-CFDictionaryRef
+CFPropertyListRef
 __SCNetworkInterfaceGetTemplateOverrides(SCNetworkInterfaceRef interface, CFStringRef overrideType)
 {
        SCNetworkInterfacePrivateRef    interfacePrivate        = (SCNetworkInterfacePrivateRef)interface;
-       CFDictionaryRef                 overrides               = NULL;
+       CFPropertyListRef               overrides               = NULL;
 
        if (interfacePrivate->overrides != NULL) {
                overrides = CFDictionaryGetValue(interfacePrivate->overrides, overrideType);
@@ -4759,6 +5817,7 @@ Boolean
 SCNetworkInterfaceSetConfiguration(SCNetworkInterfaceRef interface, CFDictionaryRef config)
 {
        CFStringRef     defaultType;
+       Boolean         ok;
 
        if (!isA_SCNetworkInterface(interface)) {
                _SCErrorSet(kSCStatusInvalidArgument);
@@ -4770,7 +5829,14 @@ SCNetworkInterfaceSetConfiguration(SCNetworkInterfaceRef interface, CFDictionary
                return FALSE;
        }
 
-       return __SCNetworkInterfaceSetConfiguration(interface, defaultType, config, FALSE);
+       ok = __SCNetworkInterfaceSetConfiguration(interface, defaultType, config, FALSE);
+       if (ok) {
+               SC_log(LOG_DEBUG, "SCNetworkInterfaceSetConfiguration(): %@ -> %@",
+                      interface,
+                      config != NULL ? config : (CFDictionaryRef)CFSTR("NULL"));
+       }
+
+       return ok;
 }
 
 
@@ -4779,6 +5845,8 @@ SCNetworkInterfaceSetExtendedConfiguration(SCNetworkInterfaceRef  interface,
                                           CFStringRef                  extendedType,
                                           CFDictionaryRef              config)
 {
+       Boolean         ok;
+
        if (!isA_SCNetworkInterface(interface)) {
                _SCErrorSet(kSCStatusInvalidArgument);
                return FALSE;
@@ -4788,7 +5856,14 @@ SCNetworkInterfaceSetExtendedConfiguration(SCNetworkInterfaceRef interface,
                return FALSE;
        }
 
-       return __SCNetworkInterfaceSetConfiguration(interface, extendedType, config, FALSE);
+       ok = __SCNetworkInterfaceSetConfiguration(interface, extendedType, config, FALSE);
+       if (ok) {
+               SC_log(LOG_DEBUG, "SCNetworkInterfaceSetExtendedConfiguration(): %@ -> %@",
+                      interface,
+                      config != NULL ? config : (CFDictionaryRef)CFSTR("NULL"));
+       }
+
+       return ok;
 }
 
 
@@ -4796,10 +5871,6 @@ SCNetworkInterfaceSetExtendedConfiguration(SCNetworkInterfaceRef interface,
 #pragma mark SCNetworkInterface [Refresh Configuration] API
 
 
-#ifndef kSCEntNetRefreshConfiguration
-#define kSCEntNetRefreshConfiguration  CFSTR("RefreshConfiguration")
-#endif // kSCEntNetRefreshConfiguration
-
 Boolean
 _SCNetworkInterfaceForceConfigurationRefresh(CFStringRef ifName)
 {
@@ -4909,11 +5980,13 @@ SCNetworkInterfaceForceConfigurationRefresh(SCNetworkInterfaceRef interface)
 }
 
 
+#if    !TARGET_OS_IPHONE
 Boolean
 SCNetworkInterfaceRefreshConfiguration(CFStringRef ifName)
 {
        return _SCNetworkInterfaceForceConfigurationRefresh(ifName);
 }
+#endif // !TARGET_OS_IPHONE
 
 
 #pragma mark -
@@ -5984,6 +7057,103 @@ SCNetworkInterfaceSetPassword(SCNetworkInterfaceRef             interface,
        return ok;
 }
 
+#pragma mark -
+#pragma mark SCNetworkInterface [Advisory] SPIs
+#if    TARGET_OS_SIMULATOR
+Boolean
+SCNetworkInterfaceSetAdvisory(SCNetworkInterfaceRef interface,
+                             SCNetworkInterfaceAdvisory advisory,
+                             CFStringRef reason)
+{
+#pragma unused(interface)
+#pragma unused(advisory)
+#pragma unused(reason)
+       return (FALSE);
+}
+
+Boolean
+SCNetworkInterfaceAdvisoryIsSet(SCNetworkInterfaceRef interface)
+{
+#pragma unused(interface)
+       return (FALSE);
+}
+
+CFStringRef
+SCNetworkInterfaceCopyAdvisoryNotificationKey(SCNetworkInterfaceRef interface)
+{
+#pragma unused(interface)
+       return (NULL);
+}
+
+#else /* TARGET_OS_SIMULATOR */
+Boolean
+SCNetworkInterfaceSetAdvisory(SCNetworkInterfaceRef interface,
+                             SCNetworkInterfaceAdvisory advisory,
+                             CFStringRef reason)
+{
+       IPMonitorControlRef             control;
+       SCNetworkInterfacePrivateRef    interfacePrivate =
+                                       (SCNetworkInterfacePrivateRef)interface;
+       CFStringRef                     ifName;
+
+       ifName = SCNetworkInterfaceGetBSDName(interface);
+       if (ifName == NULL) {
+               _SCErrorSet(kSCStatusInvalidArgument);
+               return (FALSE);
+       }
+       control = interfacePrivate->IPMonitorControl;
+       if (control == NULL) {
+               control = IPMonitorControlCreate();
+               if (control == NULL) {
+                       _SCErrorSet(kSCStatusFailed);
+                       return (FALSE);
+               }
+               interfacePrivate->IPMonitorControl = control;
+       }
+       return IPMonitorControlSetInterfaceAdvisory(control,
+                                                   ifName,
+                                                   advisory,
+                                                   reason);
+}
+
+Boolean
+SCNetworkInterfaceAdvisoryIsSet(SCNetworkInterfaceRef interface)
+{
+       IPMonitorControlRef             control;
+       SCNetworkInterfacePrivateRef    interfacePrivate =
+                                       (SCNetworkInterfacePrivateRef)interface;
+       CFStringRef                     ifName;
+
+       ifName = SCNetworkInterfaceGetBSDName(interface);
+       if (ifName == NULL) {
+               _SCErrorSet(kSCStatusInvalidArgument);
+               return (FALSE);
+       }
+       control = interfacePrivate->IPMonitorControl;
+       if (control == NULL) {
+               control = IPMonitorControlCreate();
+               if (control == NULL) {
+                       _SCErrorSet(kSCStatusFailed);
+                       return (FALSE);
+               }
+               interfacePrivate->IPMonitorControl = control;
+       }
+       return IPMonitorControlInterfaceAdvisoryIsSet(control, ifName);
+}
+
+CFStringRef
+SCNetworkInterfaceCopyAdvisoryNotificationKey(SCNetworkInterfaceRef interface)
+{
+       CFStringRef                     ifName;
+
+       ifName = SCNetworkInterfaceGetBSDName(interface);
+       if (ifName == NULL) {
+               _SCErrorSet(kSCStatusInvalidArgument);
+               return (NULL);
+       }
+       return IPMonitorControlCopyInterfaceAdvisoryNotificationKey(ifName);
+}
+#endif /* TARGET_OS_SIMULATOR */
 
 #pragma mark -
 #pragma mark SCNetworkInterface [InterfaceNamer] SPIs
@@ -5996,6 +7166,10 @@ _SCNetworkInterfaceCopyInterfaceInfo(SCNetworkInterfaceRef interface)
        SCNetworkInterfacePrivateRef    interfacePrivate        = (SCNetworkInterfacePrivateRef)interface;
        CFStringRef                     name;
 
+       if (interface == NULL) {
+               return NULL;
+       }
+
        info = CFDictionaryCreateMutable(NULL,
                                         0,
                                         &kCFTypeDictionaryKeyCallBacks,
@@ -6009,6 +7183,7 @@ _SCNetworkInterfaceCopyInterfaceInfo(SCNetworkInterfaceRef interface)
 
        // add USB info
        if ((interfacePrivate->usb.vid != NULL) || (interfacePrivate->usb.pid != NULL)) {
+#if    !TARGET_OS_SIMULATOR
                if (interfacePrivate->usb.name != NULL) {
                        CFDictionaryAddValue(info, CFSTR(kUSBProductString), interfacePrivate->usb.name);
                }
@@ -6018,6 +7193,7 @@ _SCNetworkInterfaceCopyInterfaceInfo(SCNetworkInterfaceRef interface)
                if (interfacePrivate->usb.pid != NULL) {
                        CFDictionaryAddValue(info, CFSTR(kUSBProductID), interfacePrivate->usb.pid);
                }
+#endif // !TARGET_OS_SIMULATOR
        }
 
        if (CFDictionaryGetCount(info) == 0) {
@@ -6039,9 +7215,9 @@ _SCNetworkInterfaceCreateWithIONetworkInterfaceObject(io_object_t if_obj)
        pthread_once(&initialized, __SCNetworkInterfaceInitialize);
 
        if (IOObjectConformsTo(if_obj, kIONetworkInterfaceClass)) {
-               interface = createInterface(if_obj, processNetworkInterface);
+               interface = createInterface(if_obj, processNetworkInterface, NULL);
        } else if (IOObjectConformsTo(if_obj, kIOSerialBSDServiceValue)) {
-               interface = createInterface(if_obj, processSerialInterface);
+               interface = createInterface(if_obj, processSerialInterface, kSCNetworkInterfaceHiddenPortKey);
        }
 
        return interface;
@@ -6066,6 +7242,15 @@ _SCNetworkInterfaceGetHardwareAddress(SCNetworkInterfaceRef interface)
 }
 
 
+CFStringRef
+_SCNetworkInterfaceGetIOInterfaceNamePrefix(SCNetworkInterfaceRef interface)
+{
+       SCNetworkInterfacePrivateRef    interfacePrivate        = (SCNetworkInterfacePrivateRef)interface;
+
+       return interfacePrivate->prefix;
+}
+
+
 CFNumberRef
 _SCNetworkInterfaceGetIOInterfaceType(SCNetworkInterfaceRef interface)
 {
@@ -6084,6 +7269,72 @@ _SCNetworkInterfaceGetIOInterfaceUnit(SCNetworkInterfaceRef interface)
 }
 
 
+static void
+update_ift_family(SCNetworkInterfaceRef interface)
+{
+       SCNetworkInterfacePrivateRef    interfacePrivate        = (SCNetworkInterfacePrivateRef)interface;
+
+       // note: family/subfamily are not in IORegistry, fetch with ioctl()
+
+       if ((interfacePrivate->family == NULL) && (interfacePrivate->subfamily == NULL)) {
+               CFStringRef     bsdName = SCNetworkInterfaceGetBSDName(interface);
+               struct ifreq    ifr;
+
+               memset(&ifr, 0, sizeof(ifr));
+               if ((bsdName != NULL) &&
+                   _SC_cfstring_to_cstring(bsdName, ifr.ifr_name, sizeof(ifr.ifr_name), kCFStringEncodingASCII) != NULL) {
+                       int     s;
+
+                       s = socket(AF_INET, SOCK_DGRAM, 0);
+                       if (s != -1) {
+                               if (ioctl(s, SIOCGIFTYPE, (caddr_t)&ifr) == -1) {
+                                       ifr.ifr_type.ift_family = 0;
+                                       ifr.ifr_type.ift_subfamily = 0;
+                               }
+                               close(s);
+                       }
+               }
+
+               interfacePrivate->family = CFNumberCreate(NULL,
+                                                         kCFNumberSInt32Type,
+                                                         &ifr.ifr_type.ift_family);
+               interfacePrivate->subfamily = CFNumberCreate(NULL,
+                                                            kCFNumberSInt32Type,
+                                                            &ifr.ifr_type.ift_subfamily);
+       }
+}
+
+
+CFNumberRef
+_SCNetworkInterfaceGetFamilyType(SCNetworkInterfaceRef interface)
+{
+       SCNetworkInterfacePrivateRef    interfacePrivate        = (SCNetworkInterfacePrivateRef)interface;
+
+       // note: family not in IORegistry, fetch with ioctl()
+
+       if (interfacePrivate->family == NULL) {
+               update_ift_family(interface);
+       }
+
+       return interfacePrivate->family;
+}
+
+
+CFNumberRef
+_SCNetworkInterfaceGetFamilySubType(SCNetworkInterfaceRef interface)
+{
+       SCNetworkInterfacePrivateRef    interfacePrivate        = (SCNetworkInterfacePrivateRef)interface;
+
+       // note: subfamily not in IORegistry, fetch with ioctl()
+
+       if (interfacePrivate->subfamily == NULL) {
+               update_ift_family(interface);
+       }
+
+       return interfacePrivate->subfamily;
+}
+
+
 CFStringRef
 _SCNetworkInterfaceGetIOPath(SCNetworkInterfaceRef interface)
 {
@@ -6102,6 +7353,16 @@ _SCNetworkInterfaceGetIORegistryEntryID(SCNetworkInterfaceRef interface)
 }
 
 
+__private_extern__
+Boolean
+__SCNetworkInterfaceIsActive (SCNetworkInterfaceRef interface)
+{
+       SCNetworkInterfacePrivateRef    interfacePrivate = (SCNetworkInterfacePrivateRef)interface;
+
+       return interfacePrivate->active;
+}
+
+
 Boolean
 _SCNetworkInterfaceIsBuiltin(SCNetworkInterfaceRef interface)
 {
@@ -6111,10 +7372,79 @@ _SCNetworkInterfaceIsBuiltin(SCNetworkInterfaceRef interface)
 }
 
 
+Boolean
+_SCNetworkInterfaceIsTrustRequired(SCNetworkInterfaceRef interface)
+{
+       SCNetworkInterfacePrivateRef    interfacePrivate        = (SCNetworkInterfacePrivateRef)interface;
+
+       return interfacePrivate->trustRequired;
+}
+
+
 #pragma mark -
 #pragma mark SCNetworkInterface SPIs
 
 
+#if    TARGET_OS_OSX
+
+SCNetworkInterfaceRef
+_SCNetworkInterfaceCopyBTPANInterface(void)
+{
+       CFDictionaryRef         dict;
+       SCNetworkInterfaceRef   interface       = NULL;
+       CFStringRef             key;
+
+       key = SCDynamicStoreKeyCreate(NULL, CFSTR("%@" "InterfaceNamer"), kSCDynamicStoreDomainPlugin);
+       dict = SCDynamicStoreCopyValue(NULL, key);
+       CFRelease(key);
+       if (dict != NULL) {
+               CFDataRef                       addr;
+               CFStringRef                     if_name;
+               SCNetworkInterfacePrivateRef    interfacePrivate;
+
+               if (isA_CFDictionary(dict) &&
+                   CFDictionaryGetValueIfPresent(dict,
+                                                 kInterfaceNamerKey_BT_PAN_Name,
+                                                 (const void **)&if_name) &&
+                   isA_CFString(if_name)) {
+                       CFMutableDictionaryRef  entity;
+
+                       entity = CFDictionaryCreateMutable(NULL,
+                                                          0,
+                                                          &kCFTypeDictionaryKeyCallBacks,
+                                                          &kCFTypeDictionaryValueCallBacks);
+                       CFDictionarySetValue(entity,
+                                            kSCPropNetInterfaceType,
+                                            kSCValNetInterfaceTypeEthernet);
+                       CFDictionarySetValue(entity,
+                                            kSCPropNetInterfaceDeviceName,
+                                            if_name);
+                       CFDictionarySetValue(entity,
+                                            kSCPropUserDefinedName,
+                                            CFSTR(BT_PAN_NAME));
+                       interface = _SCNetworkInterfaceCreateWithEntity(NULL, entity, NULL);
+                       CFRelease(entity);
+               }
+
+               interfacePrivate = (SCNetworkInterfacePrivateRef)interface;
+
+               if ((interfacePrivate != NULL) &&
+                   (interfacePrivate->address == NULL) &&
+                   CFDictionaryGetValueIfPresent(dict,
+                                                 kInterfaceNamerKey_BT_PAN_Mac,
+                                                 (const void **)&addr) &&
+                   isA_CFData(addr)) {
+                       interfacePrivate->address = CFRetain(addr);
+               }
+
+               CFRelease(dict);
+       }
+
+       return interface;
+}
+#endif // TARGET_OS_OSX
+
+
 CFStringRef
 _SCNetworkInterfaceCopySlashDevPath(SCNetworkInterfaceRef interface)
 {
@@ -6160,7 +7490,7 @@ _SCNetworkInterfaceCopySlashDevPath(SCNetworkInterfaceRef interface)
        // note: this "matching" dictionary will be consumed by the call to IOServiceGetMatchingServices
        kr = IOServiceGetMatchingServices(masterPort, matching, &device_iterator);
        if (kr != kIOReturnSuccess) {
-               SCLog(TRUE, LOG_DEBUG, CFSTR("IOServiceGetMatchingServices() failed, kr = 0x%x"), kr);
+               SC_log(LOG_INFO, "IOServiceGetMatchingServices() failed, kr = 0x%x", kr);
                goto done;
        }
 
@@ -6210,18 +7540,66 @@ _SCNetworkInterfaceCopySlashDevPath(SCNetworkInterfaceRef interface)
 
        IOObjectRelease(device_iterator);
 
-    done :
+    done :
+
+       if (device_path == NULL) {
+               // if we haven't found an exact match to our UniqueIdentifier
+               // so we simply return the base name.
+               device_path = SCNetworkInterfaceGetBSDName(interface);
+               if (device_path != NULL) {
+                       CFRetain(device_path);
+               }
+       }
+
+       return device_path;
+}
+
+
+#pragma mark -
+
+
+Boolean
+_SCNetworkInterfaceIsApplePreconfigured(SCNetworkInterfaceRef interface)
+{
+#if    TARGET_OS_SIMULATOR
+#pragma unused(interface)
+#else  // TARGET_OS_SIMULATOR
+       SCNetworkInterfacePrivateRef    interfacePrivate        = (SCNetworkInterfacePrivateRef)interface;
+
+       if (!_SCNetworkInterfaceIsHiddenConfiguration(interface)) {
+               // if not HiddenConfiguration
+               return FALSE;
+       }
+
+       if ((interfacePrivate->overrides == NULL) ||
+           (!CFDictionaryContainsKey(interfacePrivate->overrides, kSCNetworkProtocolTypeIPv4) &&
+            !CFDictionaryContainsKey(interfacePrivate->overrides, kSCNetworkProtocolTypeIPv6))) {
+               // if no [IPv4/IPv6] configuration overrides
+               return FALSE;
+       }
+
+       if (_SCNetworkInterfaceIsBuiltin(interface)) {
+               // if built-in (and overrides are present)
+               return TRUE;
+       }
+
+       if (_SCNetworkInterfaceIsCarPlay(interface)) {
+               // if CarPlay (and overrides are present)
+               return TRUE;
+       }
+
+       if (isA_CFNumber(interfacePrivate->usb.vid)) {
+               int             vid;
 
-       if (device_path == NULL) {
-               // if we haven't found an exact match to our UniqueIdentifier
-               // so we simply return the base name.
-               device_path = SCNetworkInterfaceGetBSDName(interface);
-               if (device_path != NULL) {
-                       CFRetain(device_path);
+               if (CFNumberGetValue(interfacePrivate->usb.vid, kCFNumberIntType, &vid) &&
+                   (vid == kIOUSBVendorIDAppleComputer)) {
+                       // if Apple interface (and overrides are present)
+                       return TRUE;
                }
        }
+#endif // TARGET_OS_SIMULATOR
 
-       return device_path;
+       return FALSE;
 }
 
 
@@ -6253,20 +7631,20 @@ _SCNetworkInterfaceIsBluetoothP2P(SCNetworkInterfaceRef interface)
 
 
 Boolean
-_SCNetworkInterfaceIsHiddenConfiguration(SCNetworkInterfaceRef interface)
+_SCNetworkInterfaceIsCarPlay(SCNetworkInterfaceRef interface)
 {
        SCNetworkInterfacePrivateRef    interfacePrivate        = (SCNetworkInterfacePrivateRef)interface;
 
-       return interfacePrivate->hidden;
+       return (interfacePrivate->sort_order == kSortCarPlay);
 }
 
 
 Boolean
-_SCNetworkInterfaceIsModemV92(SCNetworkInterfaceRef interface)
+_SCNetworkInterfaceIsHiddenConfiguration(SCNetworkInterfaceRef interface)
 {
        SCNetworkInterfacePrivateRef    interfacePrivate        = (SCNetworkInterfacePrivateRef)interface;
 
-       return interfacePrivate->modemIsV92;
+       return interfacePrivate->hidden;
 }
 
 
@@ -6279,6 +7657,90 @@ _SCNetworkInterfaceIsTethered(SCNetworkInterfaceRef interface)
 }
 
 
+Boolean
+_SCNetworkInterfaceIsThunderbolt(SCNetworkInterfaceRef interface)
+{
+       SCNetworkInterfacePrivateRef    interfacePrivate        = (SCNetworkInterfacePrivateRef)interface;
+       CFStringRef                     interfaceType;
+
+       if (!isA_SCNetworkInterface(interface)) {
+               return FALSE;
+       }
+
+       interfaceType = SCNetworkInterfaceGetInterfaceType(interface);
+       if (CFEqual(interfaceType, kSCNetworkInterfaceTypeBridge)) {
+               CFIndex         i;
+               CFArrayRef      members;
+               CFIndex         n;
+
+               members = SCBridgeInterfaceGetMemberInterfaces(interface);
+               n = (members != NULL) ? CFArrayGetCount(members) : 0;
+               if (n == 0) {
+                       // if an empty bridge
+                       return FALSE;
+               }
+
+               for (i = 0; i < n; i++) {
+                       SCNetworkInterfaceRef           member;
+                       SCNetworkInterfacePrivateRef    memberPrivate;
+
+                       member = CFArrayGetValueAtIndex(members, i);
+                       memberPrivate = (SCNetworkInterfacePrivateRef)member;
+                       if (memberPrivate->sort_order != kSortThunderbolt) {
+                               return FALSE;
+                       }
+               }
+
+               // if Ethernet Bridge interface with only Thunderbolt [IP] members
+               return TRUE;
+       }
+
+       return (interfacePrivate->sort_order == kSortThunderbolt);
+}
+
+
+#pragma mark -
+
+
+CFDictionaryRef
+SCNetworkInterfaceGetQoSMarkingPolicy(SCNetworkInterfaceRef interface)
+{
+       CFDictionaryRef policy;
+
+       if (!isA_SCNetworkInterface(interface)) {
+               _SCErrorSet(kSCStatusInvalidArgument);
+               return NULL;
+       }
+
+       policy = __SCNetworkInterfaceGetConfiguration(interface, kSCEntNetQoSMarkingPolicy);
+       if (policy == NULL) {
+               _SCErrorSet(kSCStatusOK);
+       }
+
+       return policy;
+}
+
+Boolean
+SCNetworkInterfaceSetQoSMarkingPolicy(SCNetworkInterfaceRef interface, CFDictionaryRef policy)
+{
+       Boolean         ok;
+
+       if (!isA_SCNetworkInterface(interface)) {
+               _SCErrorSet(kSCStatusInvalidArgument);
+               return FALSE;
+       }
+
+       ok = __SCNetworkInterfaceSetConfiguration(interface, kSCEntNetQoSMarkingPolicy, policy, FALSE);
+       if (ok) {
+               SC_log(LOG_DEBUG, "SCNetworkInterfaceSetQoSMarkingPolicy(): %@ -> %@",
+                      interface,
+                      policy != NULL ? policy : (CFDictionaryRef)CFSTR("NULL"));
+       }
+
+       return ok;
+}
+
+
 #pragma mark -
 #pragma mark SCNetworkInterface [internal] SPIs
 
@@ -6290,6 +7752,7 @@ __SCNetworkInterfaceCreateCopy(CFAllocatorRef             allocator,
                               SCPreferencesRef         prefs,
                               CFStringRef              serviceID)
 {
+#pragma unused(allocator)
        SCNetworkInterfacePrivateRef            oldPrivate      = (SCNetworkInterfacePrivateRef)interface;
        SCNetworkInterfacePrivateRef            newPrivate;
 
@@ -6311,6 +7774,9 @@ __SCNetworkInterfaceCreateCopy(CFAllocatorRef             allocator,
        if (oldPrivate->name != NULL) {
                newPrivate->name                = CFRetain(oldPrivate->name);
        }
+       if (oldPrivate->prefix != NULL) {
+               newPrivate->prefix              = CFRetain(oldPrivate->prefix);
+       }
        if (oldPrivate->localized_name != NULL) {
                newPrivate->localized_name      = CFRetain(oldPrivate->localized_name);
        }
@@ -6346,6 +7812,9 @@ __SCNetworkInterfaceCreateCopy(CFAllocatorRef             allocator,
                newPrivate->configurationAction = CFRetain(oldPrivate->configurationAction);
        }
        newPrivate->hidden                      = oldPrivate->hidden;
+#if    TARGET_OS_IPHONE
+       newPrivate->trustRequired               = oldPrivate->trustRequired;
+#endif // TARGET_OS_IPHONE
        if (oldPrivate->location != NULL) {
                newPrivate->location            = CFRetain(oldPrivate->location);
        }
@@ -6356,13 +7825,18 @@ __SCNetworkInterfaceCreateCopy(CFAllocatorRef           allocator,
        if (oldPrivate->overrides != NULL) {
                newPrivate->overrides           = CFDictionaryCreateMutableCopy(NULL, 0, oldPrivate->overrides);
        }
-       newPrivate->modemIsV92                  = oldPrivate->modemIsV92;
        if (oldPrivate->type != NULL) {
                newPrivate->type                = CFRetain(oldPrivate->type);
        }
        if (oldPrivate->unit != NULL) {
                newPrivate->unit                = CFRetain(oldPrivate->unit);
        }
+       if (oldPrivate->family != NULL) {
+               newPrivate->family              = CFRetain(oldPrivate->family);
+       }
+       if (oldPrivate->subfamily != NULL) {
+               newPrivate->subfamily           = CFRetain(oldPrivate->subfamily);
+       }
        if (oldPrivate->usb.name != NULL) {
                newPrivate->usb.name            = CFRetain(oldPrivate->usb.name);
        }
@@ -6527,6 +8001,7 @@ __SCNetworkInterfaceSetDeepConfiguration(SCNetworkSetRef set, SCNetworkInterface
        for (i = 0; interface != NULL; i++) {
                CFStringRef     defaultType;
                CFDictionaryRef interfaceConfiguration;
+               Boolean         ok;
 
                interfaceConfiguration = (configs != NULL) ? CFArrayGetValueAtIndex(configs, i) : NULL;
 
@@ -6542,20 +8017,20 @@ __SCNetworkInterfaceSetDeepConfiguration(SCNetworkSetRef set, SCNetworkInterface
                        }
                        if (set == NULL) {
                                // if service is not associated with the set
-                               if (!__SCNetworkInterfaceSetConfiguration(interface, defaultType, config, TRUE)) {
-                                       SCLog(TRUE, LOG_DEBUG,
-                                                 CFSTR("__SCNetworkInterfaceSetDeepConfiguration __SCNetworkInterfaceSetConfiguration() failed, interface=%@, type=%@"),
-                                                 interface,
-                                                 defaultType);
-                               }
+                               ok = __SCNetworkInterfaceSetConfiguration(interface, defaultType, config, TRUE);
                        } else {
                                // apply default configuration to this set
-                               if (!__SCNetworkInterfaceSetDefaultConfiguration(set, interface, defaultType, config, TRUE)) {
-                                       SCLog(TRUE, LOG_DEBUG,
-                                                 CFSTR("__SCNetworkInterfaceSetDeepConfiguration __SCNetworkInterfaceSetDefaultConfiguration() failed, interface=%@, type=%@"),
-                                                 interface,
-                                                 defaultType);
-                               }
+                               ok = __SCNetworkInterfaceSetDefaultConfiguration(set, interface, defaultType, config, TRUE);
+                       }
+                       if (ok) {
+                               SC_log(LOG_DEBUG, "__SCNetworkInterfaceSetDeepConfiguration(): %@, %@ -> %@",
+                                      interface,
+                                      defaultType,
+                                      config != NULL ? config : (CFDictionaryRef)CFSTR("NULL"));
+                       } else {
+                               SC_log(LOG_INFO, "__SCNetworkInterfaceSetDeepConfiguration() failed, interface=%@, type=%@",
+                                      interface,
+                                      defaultType);
                        }
 
                        extendedTypes = extendedConfigurationTypes(interface);
@@ -6569,15 +8044,20 @@ __SCNetworkInterfaceSetDeepConfiguration(SCNetworkSetRef set, SCNetworkInterface
 
                                        extendedType = CFArrayGetValueAtIndex(extendedTypes, j);
                                        config = (interfaceConfiguration != NULL) ? CFDictionaryGetValue(interfaceConfiguration, extendedType)
-                                       : NULL;
+                                                                                 : NULL;
                                        if (config == (CFDictionaryRef)kCFNull) {
                                                config = NULL;
                                        }
-                                       if (!__SCNetworkInterfaceSetConfiguration(interface, extendedType, config, TRUE)) {
-                                               SCLog(TRUE, LOG_DEBUG,
-                                                     CFSTR("__SCNetworkInterfaceSetDeepConfiguration __SCNetworkInterfaceSetConfiguration() failed, interface=%@, type=%@"),
-                                                     interface,
-                                                     defaultType);
+                                       ok = __SCNetworkInterfaceSetConfiguration(interface, extendedType, config, TRUE);
+                                       if (ok) {
+                                               SC_log(LOG_DEBUG, "__SCNetworkInterfaceSetDeepConfiguration(): %@, %@ -> %@",
+                                                      interface,
+                                                      extendedType,
+                                                      config != NULL ? config : (CFDictionaryRef)CFSTR("NULL"));
+                                       } else {
+                                               SC_log(LOG_INFO, "__SCNetworkInterfaceSetDeepConfiguration() failed, interface=%@, type=%@",
+                                                      interface,
+                                                      extendedType);
                                        }
                                }
 
@@ -6614,117 +8094,411 @@ _SCNetworkInterfaceCopyActive(SCDynamicStoreRef store, CFStringRef bsdName)
 }
 
 
+#if    !TARGET_OS_SIMULATOR
 SCNetworkServicePrimaryRank
 SCNetworkInterfaceGetPrimaryRank(SCNetworkInterfaceRef interface)
 {
-       CFDictionaryRef                 entity;
-       SCNetworkInterfacePrivateRef    interfacePrivate =
-                                               (SCNetworkInterfacePrivateRef)interface;
+       IPMonitorControlRef             control;
+       SCNetworkInterfacePrivateRef    interfacePrivate =
+                                       (SCNetworkInterfacePrivateRef)interface;
+       SCNetworkServicePrimaryRank     rank = kSCNetworkServicePrimaryRankDefault;
+
+       control = interfacePrivate->IPMonitorControl;
+       if (control != NULL) {
+               CFStringRef     ifName;
+
+               ifName = SCNetworkInterfaceGetBSDName(interface);
+               if (ifName != NULL) {
+                       rank = IPMonitorControlGetInterfacePrimaryRank(control,
+                                                                      ifName);
+               }
+               else {
+                       _SCErrorSet(kSCStatusInvalidArgument);
+               }
+       }
+       return rank;
+}
+
+Boolean
+SCNetworkInterfaceSetPrimaryRank(SCNetworkInterfaceRef interface,
+                                SCNetworkServicePrimaryRank newRank)
+{
+       IPMonitorControlRef             control;
+       SCNetworkInterfacePrivateRef    interfacePrivate =
+                                       (SCNetworkInterfacePrivateRef)interface;
        CFStringRef                     ifName;
-       Boolean                         ok      = FALSE;
-       CFStringRef                     path;
-       SCNetworkServicePrimaryRank     rank    = kSCNetworkServicePrimaryRankDefault;
-       SCDynamicStoreRef               session;
 
        ifName = SCNetworkInterfaceGetBSDName(interface);
-       if ((ifName == NULL) || (interfacePrivate->store == NULL)) {
+       if (ifName == NULL) {
                _SCErrorSet(kSCStatusInvalidArgument);
-               return rank;
+               return (FALSE);
+       }
+       control = interfacePrivate->IPMonitorControl;
+       if (control == NULL) {
+               control = IPMonitorControlCreate();
+               if (control == NULL) {
+                       _SCErrorSet(kSCStatusFailed);
+                       return (FALSE);
+               }
+               interfacePrivate->IPMonitorControl = control;
        }
+       return IPMonitorControlSetInterfacePrimaryRank(control,
+                                                      ifName,
+                                                      newRank);
+}
 
-       session = interfacePrivate->store;
+Boolean
+SCNetworkInterfaceGetDisableUntilNeeded(SCNetworkInterfaceRef interface)
+{
+       Boolean                         disable_until_needed = FALSE;
+       CFNumberRef                     disable_prop = NULL;
+       CFIndex                         interfaceIndex;
+       SCNetworkInterfacePrivateRef    interfacePrivate
+               = (SCNetworkInterfacePrivateRef)interface;
+       CFArrayRef                      path_list;
 
-       path = SCDynamicStoreKeyCreateNetworkInterfaceEntity(NULL,
-                                                            kSCDynamicStoreDomainState,
-                                                            ifName,
-                                                            kSCEntNetService);
-       entity = SCDynamicStoreCopyValue(session, path);
-       CFRelease(path);
+       if (interfacePrivate->prefs == NULL) {
+               _SCErrorSet(kSCStatusInvalidArgument);
+               return (FALSE);
+       }
+       interfaceIndex = findPerInterfaceConfiguration(interface);
+       if (interfaceIndex == kCFNotFound) {
+               _SCErrorSet(kSCStatusInvalidArgument);
+               return (FALSE);
+       }
+       path_list = copyPerInterfaceConfigurationPaths(interfacePrivate, NULL);
+       if (path_list != NULL) {
+               CFDictionaryRef config;
+               CFStringRef     path = CFArrayGetValueAtIndex(path_list, 0);
 
-       if (entity != NULL) {
-               if (isA_CFDictionary(entity)) {
-                       CFStringRef rankStr =
-                               CFDictionaryGetValue(entity, kSCPropNetServicePrimaryRank);
-                       ok = __str_to_rank(rankStr, &rank);
+               config = __getPrefsConfiguration(interfacePrivate->prefs, path);
+               CFRelease(path_list);
+               if (config != NULL) {
+                       int     disable = 0;
+
+                       disable_prop = CFDictionaryGetValue(config, kSCPropDisableUntilNeeded);
+                       disable_prop = isA_CFNumber(disable_prop);
+                       if (disable_prop != NULL) {
+                               if (CFNumberGetValue(disable_prop, kCFNumberIntType, &disable)) {
+                                       disable_until_needed = (disable != 0) ? TRUE : FALSE;
+                               }
+                               else {
+                                       /* invalid property, ignore it */
+                                       disable_prop = NULL;
+                               }
+                       }
                }
-               CFRelease(entity);
        }
+       if (disable_prop == NULL) {
+               disable_until_needed
+                       = _SCNetworkInterfaceIsTethered(interface);
+       }
+       _SCErrorSet(kSCStatusOK);
+       return (disable_until_needed);
+}
 
-       if (!ok) {
-               rank = kSCNetworkServicePrimaryRankDefault;
+Boolean
+__SCNetworkInterfaceSetDisableUntilNeededValue(SCNetworkInterfaceRef interface, CFTypeRef disable)
+{
+       CFIndex                         count;
+       CFIndex                         i;
+       CFIndex                         interfaceIndex;
+       SCNetworkInterfacePrivateRef    interfacePrivate
+               = (SCNetworkInterfacePrivateRef)interface;
+       Boolean                         ok = TRUE;
+       CFArrayRef                      path_list;
+
+       if (interfacePrivate->prefs == NULL) {
                _SCErrorSet(kSCStatusInvalidArgument);
-       } else if (rank == kSCNetworkServicePrimaryRankDefault) {
-               _SCErrorSet(kSCStatusOK);
+               return (FALSE);
+       }
+       if ((disable != NULL) && !isA_CFNumber(disable)) {
+               _SCErrorSet(kSCStatusInvalidArgument);
+               return (FALSE);
+       }
+       interfaceIndex = findPerInterfaceConfiguration(interface);
+       if (interfaceIndex == kCFNotFound) {
+               _SCErrorSet(kSCStatusInvalidArgument);
+               return (FALSE);
        }
+       path_list = copyPerInterfaceConfigurationPaths(interfacePrivate, NULL);
+       if (path_list == NULL) {
+               _SCErrorSet(kSCStatusInvalidArgument);
+               return (FALSE);
+       }
+       count = CFArrayGetCount(path_list);
+       for (i = 0; i < count; i++) {
+               CFDictionaryRef         config;
+               CFMutableDictionaryRef  new_config;
+               CFStringRef             path = CFArrayGetValueAtIndex(path_list, i);
+
+               config = __getPrefsConfiguration(interfacePrivate->prefs, path);
+               if (config != NULL) {
+                       new_config
+                               = CFDictionaryCreateMutableCopy(NULL, 0, config);
+               } else {
+                       new_config
+                               = CFDictionaryCreateMutable(NULL, 0,
+                                                           &kCFTypeDictionaryKeyCallBacks,
+                                                           &kCFTypeDictionaryValueCallBacks);
+               }
+               if (disable != NULL) {
+                       CFDictionarySetValue(new_config, kSCPropDisableUntilNeeded, disable);
+               } else {
+                       CFDictionaryRemoveValue(new_config, kSCPropDisableUntilNeeded);
+               }
+               ok = __setPrefsConfiguration(interfacePrivate->prefs,
+                                            path,
+                                            (CFDictionaryGetCount(new_config) > 0) ? new_config : NULL,
+                                            FALSE);
+               CFRelease(new_config);
+               if (!ok) {
+                       break;
+               }
+       }
+       CFRelease(path_list);
+       return (ok);
+}
+
+Boolean
+SCNetworkInterfaceSetDisableUntilNeeded(SCNetworkInterfaceRef interface, Boolean disable)
+{
+       Boolean         ok;
+       const int       one     = 1;
+       CFNumberRef     num;
+       const int       zero    = 0;
 
-       return (rank);
+       num = CFNumberCreate(NULL, kCFNumberIntType, disable ? &one : &zero);
+       ok = __SCNetworkInterfaceSetDisableUntilNeededValue(interface, num);
+       CFRelease(num);
+
+       return ok;
+}
+
+#else  // !TARGET_OS_SIMULATOR
+
+SCNetworkServicePrimaryRank
+SCNetworkInterfaceGetPrimaryRank(SCNetworkInterfaceRef interface)
+{
+#pragma unused(interface)
+       return (kSCNetworkServicePrimaryRankDefault);
 }
 
 Boolean
 SCNetworkInterfaceSetPrimaryRank(SCNetworkInterfaceRef interface,
                                 SCNetworkServicePrimaryRank newRank)
 {
-       CFDictionaryRef                 entity;
-       SCNetworkInterfacePrivateRef    interfacePrivate =
-                                       (SCNetworkInterfacePrivateRef)interface;
-       CFStringRef                     ifName;
-       CFMutableDictionaryRef          newEntity;
-       Boolean                         ok              = TRUE;
-       CFStringRef                     path            = NULL;
-       CFStringRef                     rankStr;
-       SCDynamicStoreRef               session;
+#pragma unused(interface)
+#pragma unused(newRank)
+       _SCErrorSet(kSCStatusInvalidArgument);
+       return (FALSE);
+}
 
-       ifName = SCNetworkInterfaceGetBSDName(interface);
-       if ((ifName == NULL) || (interfacePrivate->store == NULL)) {
-               _SCErrorSet(kSCStatusInvalidArgument);
-               return FALSE;
+Boolean
+SCNetworkInterfaceGetDisableUntilNeeded(SCNetworkInterfaceRef interface)
+{
+#pragma unused(interface)
+       return (FALSE);
+}
+
+Boolean
+__SCNetworkInterfaceSetDisableUntilNeededValue(SCNetworkInterfaceRef interface, CFTypeRef disable)
+{
+#pragma unused(interface)
+#pragma unused(disable)
+       return (FALSE);
+}
+
+Boolean
+SCNetworkInterfaceSetDisableUntilNeeded(SCNetworkInterfaceRef interface, Boolean disable)
+{
+#pragma unused(interface)
+#pragma unused(disable)
+       _SCErrorSet(kSCStatusInvalidArgument);
+       return (FALSE);
+}
+
+#endif // !TARGET_OS_SIMULATOR
+
+
+__private_extern__
+CFArrayRef  // SCNetworkInterfaceRef
+__SCNetworkInterfaceCopyStoredWithPreferences(SCPreferencesRef ni_prefs)
+{
+       CFStringRef             defaultNetworkInterfacePath     = NULL;
+       CFArrayRef              if_list;
+       CFMutableArrayRef       interfaceList                   = NULL;
+       SCNetworkInterfaceRef   interfaceNamer                  = NULL;
+
+       /* initialize runtime */
+       pthread_once(&initialized, __SCNetworkInterfaceInitialize);
+
+       if (ni_prefs == NULL) {
+               defaultNetworkInterfacePath = CFStringCreateWithFormat(NULL, NULL, CFSTR("%@/%@"), PREFS_DEFAULT_DIR, NETWORK_INTERFACES_PREFS);
+               assert(defaultNetworkInterfacePath != NULL);
+               ni_prefs = SCPreferencesCreate(NULL, CFSTR("SCNetworkInterface"), defaultNetworkInterfacePath);
        }
 
-       session = interfacePrivate->store;
+       if_list = SCPreferencesGetValue(ni_prefs, INTERFACES);
+       if (isA_CFArray(if_list)) {
+               CFIndex i;
+               CFIndex n       = CFArrayGetCount(if_list);
 
-       ok = __rank_to_str(newRank, &rankStr);
-       if (!ok) {
-               _SCErrorSet(kSCStatusInvalidArgument);
-               return FALSE;
+               interfaceList = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
+               for (i = 0; i < n; i++) {
+                       CFDictionaryRef dict;
+
+                       dict = CFArrayGetValueAtIndex(if_list, i);
+                       if (isA_CFDictionary(dict) != NULL) {
+                               interfaceNamer = __SCNetworkInterfaceCreateWithStorageEntity(NULL, dict);
+
+                               if (interfaceNamer != NULL) {
+                                       CFArrayAppendValue(interfaceList, interfaceNamer);
+                                       CFRelease(interfaceNamer);
+                               }
+                       }
+               }
+       }
+
+       if (defaultNetworkInterfacePath != NULL) {
+               CFRelease(defaultNetworkInterfacePath);
+               // prefs were created in the function, and hence need to be released
+               CFRelease(ni_prefs);
        }
+       return interfaceList;
+}
 
-       path = SCDynamicStoreKeyCreateNetworkInterfaceEntity(NULL,
-                                                            kSCDynamicStoreDomainState,
-                                                            ifName,
-                                                            kSCEntNetService);
 
-       entity = SCDynamicStoreCopyValue(session, path);
-       if (entity != NULL) {
-               if (!isA_CFDictionary(entity)) {
-                       CFRelease(entity);
-                       _SCErrorSet(kSCStatusFailed);
-                       goto done;
+__private_extern__
+Boolean
+__SCNetworkInterfaceSaveStoredWithPreferences(SCPreferencesRef prefs, CFArrayRef interfacesToSave)
+{
+       CFStringRef defaultNetworkInterfacePath = NULL;
+       Boolean success = FALSE;
+
+       if (prefs == NULL) {    // TODO: Get the default preferences on the system
+               defaultNetworkInterfacePath = CFStringCreateWithFormat(NULL, NULL, CFSTR("%@%@"), PREFS_DEFAULT_DIR, NETWORK_INTERFACES_PREFS);
+               assert(defaultNetworkInterfacePath != NULL);
+               prefs = SCPreferencesCreate(NULL, CFSTR("SCNetworkInterface"), defaultNetworkInterfacePath);
+       }
+
+       if (isA_CFArray(interfacesToSave) == NULL) {
+               SC_log(LOG_INFO, "No interfaces to save");
+               goto done;
+       }
+       SCPreferencesSetValue(prefs, INTERFACES, interfacesToSave);
+       success = TRUE;
+done:
+       if (defaultNetworkInterfacePath != NULL) {
+               CFRelease(defaultNetworkInterfacePath);
+               // prefs were created in the function, and hence need to be released
+               CFRelease(prefs);
+       }
+
+       return success;
+}
+
+__private_extern__
+SCNetworkInterfaceRef
+__SCNetworkInterfaceCreateWithNIPreferencesUsingBSDName(CFAllocatorRef allocator, SCPreferencesRef ni_prefs, CFStringRef bsdName)
+{
+       CFArrayRef if_list;
+       SCNetworkInterfaceRef interface = NULL;
+       CFStringRef defaultNetworkInterfacePath;
+
+       /* initialize runtime */
+       pthread_once(&initialized, __SCNetworkInterfaceInitialize);
+
+       if (ni_prefs == NULL) {
+               defaultNetworkInterfacePath = CFStringCreateWithFormat(allocator, NULL, CFSTR("%@/%@"), PREFS_DEFAULT_DIR, NETWORK_INTERFACES_PREFS);
+               ni_prefs = SCPreferencesCreate(allocator, CFSTR("SCNetworkInterface"), defaultNetworkInterfacePath);
+               CFRelease(defaultNetworkInterfacePath);
+       }
+       else {
+               CFRetain(ni_prefs);
+       }
+
+       if_list = SCPreferencesGetValue(ni_prefs, INTERFACES);
+
+       if (isA_CFArray(if_list) != NULL) {
+               CFIndex idx;
+               CFIndex count = CFArrayGetCount(if_list);
+
+               for (idx = 0; idx < count; idx++) {
+                       CFDictionaryRef dict;
+                       CFStringRef tmp_bsdName;
+
+                       dict = CFArrayGetValueAtIndex(if_list, idx);
+                       if (isA_CFDictionary(dict) == NULL) {
+                               continue;
+                       }
+
+                       tmp_bsdName = CFDictionaryGetValue(dict, CFSTR(kSCNetworkInterfaceBSDName));
+                       if (tmp_bsdName == NULL) {
+                               continue;
+                       }
+                       if (CFEqual(bsdName, tmp_bsdName)) {
+                               interface = __SCNetworkInterfaceCreateWithStorageEntity(allocator, dict);
+                               break;
+                       }
                }
-               newEntity = CFDictionaryCreateMutableCopy(NULL, 0, entity);
-               CFRelease(entity);
-       } else {
-               newEntity = CFDictionaryCreateMutable(NULL,
-                                                     0,
-                                                     &kCFTypeDictionaryKeyCallBacks,
-                                                     &kCFTypeDictionaryValueCallBacks);
        }
 
-       if (rankStr != NULL) {
-               CFDictionarySetValue(newEntity, kSCPropNetServicePrimaryRank, rankStr);
-       } else {
-               CFDictionaryRemoveValue(newEntity, kSCPropNetServicePrimaryRank);
+       CFRelease(ni_prefs);
+       return interface;
+}
+
+__private_extern__
+CFDictionaryRef
+__SCNetworkInterfaceCreateMappingUsingBSDName(CFArrayRef interfaces)
+{
+       CFMutableDictionaryRef mappingBSDToInterface = NULL;
+       CFStringRef bsdName = NULL;
+       SCNetworkInterfaceRef interface = NULL;
+       CFIndex count;
+
+       count = CFArrayGetCount(interfaces);
+       if (count == 0) {
+               SC_log(LOG_INFO, "No interfaces");
+               return NULL;
        }
+       mappingBSDToInterface = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
 
-       if (CFDictionaryGetCount(newEntity) > 0) {
-               ok = SCDynamicStoreSetValue(session, path, newEntity);
-       } else {
-               ok = SCDynamicStoreRemoveValue(session, path);
+       for (CFIndex idx = 0; idx < count; idx++) {
+               interface = (SCNetworkInterfaceRef) CFArrayGetValueAtIndex(interfaces, idx);
+
+               bsdName = SCNetworkInterfaceGetBSDName(interface);
+               if (isA_CFString(bsdName) == NULL) {
+                       SC_log(LOG_INFO, "No BSD name");
+                       continue;
+               }
+               CFDictionaryAddValue(mappingBSDToInterface, bsdName, interface);
+       }
+       if (CFDictionaryGetCount(mappingBSDToInterface) == 0) {
+               CFRelease(mappingBSDToInterface);
+               mappingBSDToInterface = NULL;
+               SC_log(LOG_INFO, "No mappings");
        }
 
-       CFRelease(newEntity);
+       return mappingBSDToInterface;
+}
 
-    done :
+__private_extern__ Boolean
+__SCNetworkInterfaceEntityIsPPTP(CFDictionaryRef entity)
+{
+       CFStringRef intfSubtype;
 
-       if (path != NULL)       CFRelease(path);
-       return ok;
+       if (entity == NULL) {
+               return FALSE;
+       }
+
+       intfSubtype = CFDictionaryGetValue(entity, kSCPropNetInterfaceSubType);
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated"
+       if (intfSubtype != NULL && CFEqual(intfSubtype, kSCValNetInterfaceSubTypePPTP)) {
+               return TRUE;
+       }
+#pragma GCC diagnostic pop
+
+       return FALSE;
 }