Example #1
0
//---------------------------------------------------------------------------
// ProcessUPSEvent
//
//---------------------------------------------------------------------------
void ProcessUPSEvent(UPSDataRef upsDataRef, CFDictionaryRef event)
{
    UInt32		count, index;
    
    if ( !upsDataRef || !event)
        return;
      
    if ( (count = CFDictionaryGetCount(event)) )
    {	
        CFTypeRef * keys	= (CFTypeRef *) malloc(sizeof(CFTypeRef) * count);
        CFTypeRef * values	= (CFTypeRef *) malloc(sizeof(CFTypeRef) * count);

        CFDictionaryGetKeysAndValues(event, (const void **)keys, (const void **)values);
        
        for (index = 0; index < count; index++)
            CFDictionarySetValue(upsDataRef->upsStoreDict, keys[index], values[index]);
            
        free (keys);
        free (values);
            
        SCDynamicStoreSetValue(upsDataRef->upsStore, upsDataRef->upsStoreKey, upsDataRef->upsStoreDict);
    }
}
Example #2
0
IOReturn CreatePowerManagerUPSEntry(UPSDataRef upsDataRef, CFDictionaryRef properties, CFSetRef capabilities)
{
    CFMutableDictionaryRef	upsStoreDict 	= NULL;
    CFStringRef     		upsName 	= NULL;
    CFStringRef			transport	= NULL;
    CFStringRef			upsStoreKey	= NULL;
    CFNumberRef 		number 	= NULL;
    SCDynamicStoreRef		upsStore 	= NULL;
    IOReturn	 		status 		= kIOReturnSuccess;
    int 			elementValue 	= 0;
    char			upsLabelString[kInternalUPSLabelLength];

    if ( !upsDataRef || !properties || !capabilities)
        return kIOReturnError;
        
    upsStoreDict = CFDictionaryCreateMutable(kCFAllocatorDefault, 
        0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

    // Set some Store values
    if ( upsStoreDict )
    {
        // We need to save a name for this device.  First, try to see if we have a USB Product Name.  If
        // that fails then use the manufacturer and if that fails, then use a generic name.  Couldn't we use
        // a serial # here?
        //
        upsName = (CFStringRef) CFDictionaryGetValue( properties, CFSTR( kIOPSNameKey ) );
        if ( !upsName )
            upsName = CFSTR(kDefaultUPSName);
        transport = (CFStringRef) CFDictionaryGetValue( properties, CFSTR( kIOPSTransportTypeKey ) );

        CFDictionarySetValue(upsStoreDict, CFSTR(kIOPSNameKey), upsName);
        CFDictionarySetValue(upsStoreDict, CFSTR(kIOPSTransportTypeKey), transport);
        CFDictionarySetValue(upsStoreDict, CFSTR(kIOPSIsPresentKey), kCFBooleanTrue);
        CFDictionarySetValue(upsStoreDict, CFSTR(kIOPSIsChargingKey), kCFBooleanTrue);
        CFDictionarySetValue(upsStoreDict, CFSTR(kIOPSPowerSourceStateKey), CFSTR(kIOPSACPowerValue));
        
        number = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &upsDataRef->upsID);
        CFDictionarySetValue(upsStoreDict, CFSTR(kIOPSPowerSourceIDKey), number);
        CFRelease(number);


        elementValue = 100;
        number = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &elementValue);
        CFDictionarySetValue(upsStoreDict, CFSTR(kIOPSMaxCapacityKey), number);
        CFRelease(number);

        if (CFSetContainsValue(capabilities, CFSTR(kIOPSCurrentCapacityKey)))
        {
            //  Initialize kIOPSCurrentCapacityKey
            //
            //  For Power Manager, we will be sharing capacity with Power Book battery capacities, so
            //  we want a consistent measure. For now we have settled on percentage of full capacity.
            //
            elementValue = 100;
            number = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &elementValue);
            CFDictionarySetValue(upsStoreDict, CFSTR(kIOPSCurrentCapacityKey), number);
            CFRelease(number);
        }

        if (CFSetContainsValue(capabilities, CFSTR(kIOPSTimeToEmptyKey)))
        {
            // Initialize kIOPSTimeToEmptyKey (OS 9 PowerClass.c assumed 100 milliwatt-hours)
            //
            elementValue = 100;
            number = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &elementValue);
            CFDictionarySetValue(upsStoreDict, CFSTR(kIOPSTimeToEmptyKey), number);
            CFRelease(number);
        }

        if (CFSetContainsValue(capabilities, CFSTR(kIOPSVoltageKey)))
        {
            // Initialize kIOPSVoltageKey (OS 9 PowerClass.c assumed millivolts. 
            // (Shouldn't that be 130,000 millivolts for AC?))
            // Actually, Power Devices Usage Tables say units will be in Volts. 
            // However we have to check what exponent is used because that may 
            // make the value we get in centiVolts (exp = -2). So it looks like 
            // OS 9 sources said millivolts, but used centivolts. Our final 
            // answer should device by proper exponent to get back to Volts.
            //
            elementValue = 13 * 1000 / 100;
            number = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &elementValue);
            CFDictionarySetValue(upsStoreDict, CFSTR(kIOPSVoltageKey), number);
            CFRelease(number);
        }

        if (CFSetContainsValue(capabilities, CFSTR(kIOPSCurrentKey)))
        {
            // Initialize kIOPSCurrentKey (What would be a good amperage to 
            // initialize to?) Same discussion as for Volts, where the unit 
            // for current is Amps. But with typical exponents (-2), we get 
            // centiAmps. Hmm... typical current for USB may be 500 milliAmps, 
            // which would be .5 A. Since that is not an integer, that may be 
            // why our displays get larger numbers
            //
            elementValue = 1;	// Just a guess!
            number = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &elementValue);
            CFDictionarySetValue(upsStoreDict, CFSTR(kIOPSCurrentKey), number);    
            CFRelease(number);
        }
    }

    upsStore = SCDynamicStoreCreate(kCFAllocatorDefault, CFSTR("UPS Power Manager"), NULL, NULL);

    // Uniquely name each Sys Config key
    //
    snprintf(upsLabelString, kInternalUPSLabelLength, "/UPS%d", upsDataRef->upsID);

    #if 0
    SCLog(TRUE, LOG_NOTICE, CFSTR("What does CreatePowerManagerUPSEntry think our key name is?"));
    SCLog(TRUE, LOG_NOTICE, CFSTR("   %@%@%@"), kSCDynamicStoreDomainState, CFSTR(kIOPSDynamicStorePath),
        CFStringCreateWithCStringNoCopy(NULL, upsLabelString, kCFStringEncodingMacRoman, kCFAllocatorNull));
    #endif

    CFStringRef     upsLabelCF = NULL;
    
    upsLabelCF = CFStringCreateWithCStringNoCopy(NULL, upsLabelString, kCFStringEncodingMacRoman, kCFAllocatorNull);
    if (upsLabelCF) {
        upsStoreKey = SCDynamicStoreKeyCreate(kCFAllocatorDefault, CFSTR("%@%@%@"), 
                                              kSCDynamicStoreDomainState, CFSTR(kIOPSDynamicStorePath), upsLabelCF);
        CFRelease(upsLabelCF);
    }

    if(!upsStoreKey || !SCDynamicStoreSetValue(upsStore, upsStoreKey, upsStoreDict))
    {
        status = SCError();
        #if UPS_DEBUG
        SCLog(TRUE, LOG_NOTICE, CFSTR("UPSSupport: Encountered SCDynamicStoreSetValue error 0x%x"), status);
        #endif
    }

    if (kIOReturnSuccess == status)
    {
        // Store our SystemConfiguration variables in our private data
        //
        upsDataRef->upsStoreDict 	= upsStoreDict;
        upsDataRef->upsStore 	= upsStore;
        upsDataRef->upsStoreKey 	= upsStoreKey;
    } else {
        if (upsStoreDict)
            CFRelease(upsStoreDict);
        if (upsStore)
            CFRelease(upsStore);
        if (upsStoreKey)
            CFRelease(upsStoreKey);
    }
    return status;
}
Example #3
0
static boolean_t
updateConfiguration(int *newState)
{
	boolean_t		changed			= FALSE;
	CFStringRef		computerName;
	CFStringEncoding	computerNameEncoding;
	CFArrayRef		configuredServices	= NULL;
	CFDictionaryRef		dict;
	CFIndex			i;
	CFIndex			ifCount			= 0;
	CFMutableArrayRef	info			= NULL;
	CFArrayRef		interfaces		= NULL;
	CFStringRef		key;
	CFArrayRef		keys;
	CFIndex			n;
	CFMutableArrayRef	newConfigFile;
	CFMutableDictionaryRef	newDefaults;
	CFMutableDictionaryRef	newDict;
	CFMutableDictionaryRef	newGlobals;
	CFMutableDictionaryRef	newGlobalsX;			/* newGlobals without ServiceID */
	CFMutableDictionaryRef	newStartup;
	CFMutableDictionaryRef	newZones;
	CFNumberRef		num;
	CFMutableDictionaryRef	curGlobalsX;			/* curGlobals without ServiceID */
	CFStringRef		pattern;
	boolean_t		postGlobals		= FALSE;
	CFStringRef		primaryPort		= NULL;	/* primary interface */
	CFStringRef		primaryZone		= NULL;
	CFArrayRef		serviceOrder		= NULL;
	CFDictionaryRef		setGlobals		= NULL;

	cache_open();

	/*
	 * establish the "new" AppleTalk configuration
	 */
	*newState     = curState;
	newConfigFile = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
	newGlobals    = CFDictionaryCreateMutable(NULL,
						  0,
						  &kCFTypeDictionaryKeyCallBacks,
						  &kCFTypeDictionaryValueCallBacks);
	newDefaults   = CFDictionaryCreateMutable(NULL,
						  0,
						  &kCFTypeDictionaryKeyCallBacks,
						  &kCFTypeDictionaryValueCallBacks);
	newStartup    = CFDictionaryCreateMutable(NULL,
						  0,
						  &kCFTypeDictionaryKeyCallBacks,
						  &kCFTypeDictionaryValueCallBacks);
	newZones      = CFDictionaryCreateMutable(NULL,
						  0,
						  &kCFTypeDictionaryKeyCallBacks,
						  &kCFTypeDictionaryValueCallBacks);

	/* initialize overall state */
	CFDictionarySetValue(newStartup, CFSTR("APPLETALK"), CFSTR("-NO-"));

	/*
	 * get the global settings (ServiceOrder, ComputerName, ...)
	 */
	key = SCDynamicStoreKeyCreateNetworkGlobalEntity(NULL,
							 kSCDynamicStoreDomainSetup,
							 kSCEntNetAppleTalk);
	setGlobals = cache_SCDynamicStoreCopyValue(store, key);
	CFRelease(key);
	if (setGlobals) {
		if (isA_CFDictionary(setGlobals)) {
			/* get service order */
			serviceOrder = CFDictionaryGetValue(setGlobals,
							    kSCPropNetServiceOrder);
			serviceOrder = isA_CFArray(serviceOrder);
			if (serviceOrder) {
				CFRetain(serviceOrder);
			}
		} else {
			CFRelease(setGlobals);
			setGlobals = NULL;
		}
	}

	/*
	 * if we don't have an AppleTalk ServiceOrder, use IPv4's (if defined)
	 */
	if (!serviceOrder) {
		key = SCDynamicStoreKeyCreateNetworkGlobalEntity(NULL,
								 kSCDynamicStoreDomainSetup,
								 kSCEntNetIPv4);
		dict = cache_SCDynamicStoreCopyValue(store, key);
		CFRelease(key);
		if (dict) {
			if (isA_CFDictionary(dict)) {
				serviceOrder = CFDictionaryGetValue(dict,
								    kSCPropNetServiceOrder);
				serviceOrder = isA_CFArray(serviceOrder);
				if (serviceOrder) {
					CFRetain(serviceOrder);
				}
			}
			CFRelease(dict);
		}
	}

	/*
	 * get the list of ALL configured services
	 */
	configuredServices = entity_all(store, kSCEntNetAppleTalk, serviceOrder);
	if (configuredServices) {
		ifCount = CFArrayGetCount(configuredServices);
	}

	if (serviceOrder)	CFRelease(serviceOrder);

	/*
	 * get the list of ALL active interfaces
	 */
	key  = SCDynamicStoreKeyCreateNetworkInterface(NULL, kSCDynamicStoreDomainState);
	dict = cache_SCDynamicStoreCopyValue(store, key);
	CFRelease(key);
	if (dict) {
		if (isA_CFDictionary(dict)) {
			interfaces = CFDictionaryGetValue(dict,
							  kSCDynamicStorePropNetInterfaces);
			interfaces = isA_CFArray(interfaces);
			if (interfaces) {
				CFRetain(interfaces);
			}
		}
		CFRelease(dict);
	}

	/*
	 * get the list of previously configured services
	 */
	pattern = SCDynamicStoreKeyCreateNetworkServiceEntity(NULL,
							      kSCDynamicStoreDomainState,
							      kSCCompAnyRegex,
							      kSCEntNetAppleTalk);
	keys = SCDynamicStoreCopyKeyList(store, pattern);
	CFRelease(pattern);
	if (keys) {
		info = CFArrayCreateMutableCopy(NULL, 0, keys);
		CFRelease(keys);
	}

	/*
	 * iterate over each configured service to establish the new
	 * configuration.
	 */
	for (i = 0; i < ifCount; i++) {
		CFDictionaryRef		service;
		CFStringRef		ifName;
		CFStringRef		configMethod;
		CFMutableStringRef	portConfig	= NULL;
		CFArrayRef		networkRange;	/* for seed ports, CFArray[2] of CFNumber (lo, hi) */
		int			sNetwork;
		int			eNetwork;
		CFArrayRef		zoneList;	/* for seed ports, CFArray[] of CFString (zones names) */
		CFIndex			zCount;
		CFIndex			j;
		CFMutableDictionaryRef	ifDefaults	= NULL;
		CFNumberRef		defaultNetwork;
		CFNumberRef		defaultNode;
		CFStringRef		defaultZone;

		/* get AppleTalk service dictionary */
		service = CFArrayGetValueAtIndex(configuredServices, i);

		/* get interface name */
		ifName  = CFDictionaryGetValue(service, kSCPropNetInterfaceDeviceName);

		/* check inteface availability */
		if (!interfaces ||
		    !CFArrayContainsValue(interfaces, CFRangeMake(0, CFArrayGetCount(interfaces)), ifName)) {
			/* if interface not available */
			goto nextIF;
		}

		/* check interface link status */
		key = SCDynamicStoreKeyCreateNetworkInterfaceEntity(NULL,
								    kSCDynamicStoreDomainState,
								    ifName,
								    kSCEntNetLink);
		dict = cache_SCDynamicStoreCopyValue(store, key);
		CFRelease(key);
		if (dict) {
			Boolean	linkStatus	= TRUE;  /* assume the link is "up" */
			Boolean	ifDetaching	= FALSE; /* assume link is not detaching */

			/* the link key for this interface is available */
			if (isA_CFDictionary(dict)) {
				CFBooleanRef	bVal;

				bVal = CFDictionaryGetValue(dict, kSCPropNetLinkActive);
				if (isA_CFBoolean(bVal)) {
					linkStatus = CFBooleanGetValue(bVal);
				}

				/* check if interface is detaching - value
				   doesn't really matter, only that it exists */
				ifDetaching = CFDictionaryContainsKey(dict, kSCPropNetLinkDetaching);
			}
			CFRelease(dict);

			if (!linkStatus || ifDetaching) {
				/* if link status down or the interface is detaching */
				goto nextIF;
			}
		}

		/*
		 * Determine configuration method for this service
		 */
		configMethod = CFDictionaryGetValue(service, kSCPropNetAppleTalkConfigMethod);
		if (!isA_CFString(configMethod)) {
			/* if no ConfigMethod */
			goto nextIF;
		}

		if (!CFEqual(configMethod, kSCValNetAppleTalkConfigMethodNode      ) &&
		    !CFEqual(configMethod, kSCValNetAppleTalkConfigMethodRouter    ) &&
		    !CFEqual(configMethod, kSCValNetAppleTalkConfigMethodSeedRouter)) {
			/* if not one of the expected values, disable */
			SCLog(TRUE, LOG_NOTICE,
			      CFSTR("Unexpected AppleTalk ConfigMethod: %@"),
			      configMethod);
			goto nextIF;
		}

		/*
		 * the first service to be defined will always be "primary"
		 */
		if (CFArrayGetCount(newConfigFile) == 0) {
			CFDictionaryRef	active;

			CFDictionarySetValue(newGlobals,
					     kSCDynamicStorePropNetPrimaryService,
					     CFDictionaryGetValue(service, CFSTR("ServiceID")));
			CFDictionarySetValue(newGlobals,
					     kSCDynamicStorePropNetPrimaryInterface,
					     ifName);

			/* and check if AT newtorking is active on the primary interface */
			key = SCDynamicStoreKeyCreateNetworkInterfaceEntity(NULL,
									    kSCDynamicStoreDomainState,
									    ifName,
									    kSCEntNetAppleTalk);
			active = cache_SCDynamicStoreCopyValue(store, key);
			CFRelease(key);
			if (active) {
				if (isA_CFDictionary(active)) {
					postGlobals = TRUE;
				}
				CFRelease(active);
			}
		}

		/*
		 * define the port
		 */
		portConfig = CFStringCreateMutable(NULL, 0);
		CFStringAppendFormat(portConfig, NULL, CFSTR("%@:"), ifName);

		if (CFEqual(configMethod, kSCValNetAppleTalkConfigMethodSeedRouter)) {
			CFNumberRef	num;

			/*
			 * we have been asked to configure this interface as a
			 * seed port. Ensure that we have been provided at least
			 * one network number, have been provided with at least
			 * one zonename, ...
			 */

			networkRange = CFDictionaryGetValue(service,
							    kSCPropNetAppleTalkSeedNetworkRange);
			if (!isA_CFArray(networkRange) || (CFArrayGetCount(networkRange) == 0)) {
				SCLog(TRUE, LOG_NOTICE,
				      CFSTR("AppleTalk configuration error (%@)"),
				      kSCPropNetAppleTalkSeedNetworkRange);
				goto nextIF;
			}

			/*
			 * establish the starting and ending network numbers
			 */
			num = CFArrayGetValueAtIndex(networkRange, 0);
			if (!isA_CFNumber(num)) {
				SCLog(TRUE, LOG_NOTICE,
				      CFSTR("AppleTalk configuration error (%@)"),
				      kSCPropNetAppleTalkSeedNetworkRange);
				goto nextIF;
			}
			CFNumberGetValue(num, kCFNumberIntType, &sNetwork);
			eNetwork = sNetwork;

			if (CFArrayGetCount(networkRange) > 1) {
				num = CFArrayGetValueAtIndex(networkRange, 1);
				if (!isA_CFNumber(num)) {
					SCLog(TRUE, LOG_NOTICE,
					      CFSTR("AppleTalk configuration error (%@)"),
					      kSCPropNetAppleTalkSeedNetworkRange);
					goto nextIF;
				}
				CFNumberGetValue(num, kCFNumberIntType, &eNetwork);
			}
			CFStringAppendFormat(portConfig, NULL, CFSTR("%d:%d:"), sNetwork, eNetwork);

			/*
			 * establish the zones associated with this port
			 */
			zoneList = CFDictionaryGetValue(service,
							kSCPropNetAppleTalkSeedZones);
			if (!isA_CFArray(zoneList)) {
				SCLog(TRUE, LOG_NOTICE,
				      CFSTR("AppleTalk configuration error (%@)"),
				      kSCPropNetAppleTalkSeedZones);
				goto nextIF;
			}

			zCount = CFArrayGetCount(zoneList);
			for (j = 0; j < zCount; j++) {
				CFStringRef		zone;
				CFArrayRef		ifList;
				CFMutableArrayRef	newIFList;

				zone = CFArrayGetValueAtIndex(zoneList, j);
				if (!isA_CFString(zone)) {
					continue;
				}

				if (CFDictionaryGetValueIfPresent(newZones, zone, (const void **)&ifList)) {
					/* known zone */
					newIFList = CFArrayCreateMutableCopy(NULL, 0, ifList);
				} else {
					/* new zone */
					newIFList = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
				}
				CFArrayAppendValue(newIFList, ifName);
				CFArraySortValues(newIFList,
						  CFRangeMake(0, CFArrayGetCount(newIFList)),
						  (CFComparatorFunction)CFStringCompare,
						  NULL);
				CFDictionarySetValue(newZones, zone, newIFList);
				CFRelease(newIFList);

				/*
				 * flag the default zone
				 */
				if (!primaryZone) {
					primaryZone = CFRetain(zone);
				}
			}
			if (!primaryZone) {
				SCLog(TRUE, LOG_NOTICE,
				      CFSTR("AppleTalk configuration error (%@)"),
				      kSCPropNetAppleTalkSeedZones);
				goto nextIF;
			}
		}

		/* get the (per-interface) "Computer Name" */
		computerName = CFDictionaryGetValue(service,
						    kSCPropNetAppleTalkComputerName);
		if (CFDictionaryGetValueIfPresent(service,
						  kSCPropNetAppleTalkComputerNameEncoding,
						  (const void **)&num) &&
		    isA_CFNumber(num)) {
			CFNumberGetValue(num, kCFNumberIntType, &computerNameEncoding);
		} else {
			computerNameEncoding = CFStringGetSystemEncoding();
		}
		encodeName(computerName, computerNameEncoding, newStartup, newGlobals);

		/*
		 * declare the first configured AppleTalk service / interface
		 * as the "home port".
		 */
		if (CFArrayGetCount(newConfigFile) == 0) {
			CFStringAppend(portConfig, CFSTR("*"));
			primaryPort = CFRetain(ifName);
		}
		CFArrayAppendValue(newConfigFile, portConfig);

		/*
		 * get the per-interface defaults
		 */
		ifDefaults = CFDictionaryCreateMutable(NULL,
						       0,
						       &kCFTypeDictionaryKeyCallBacks,
						       &kCFTypeDictionaryValueCallBacks);

		defaultNetwork = CFDictionaryGetValue(service, kSCPropNetAppleTalkNetworkID);
		defaultNode    = CFDictionaryGetValue(service, kSCPropNetAppleTalkNodeID);
		if (isA_CFNumber(defaultNetwork) && isA_CFNumber(defaultNode)) {
			/*
			 * set the default node and network
			 */
			CFDictionarySetValue(ifDefaults,
					     kSCPropNetAppleTalkNetworkID,
					     defaultNetwork);
			CFDictionarySetValue(ifDefaults,
					     kSCPropNetAppleTalkNodeID,
					     defaultNode);
		}

		if ((CFDictionaryGetValueIfPresent(service,
						   kSCPropNetAppleTalkDefaultZone,
						   (const void **)&defaultZone) == TRUE)) {
			/*
			 * set the default zone for this interface
			 */
			CFDictionarySetValue(ifDefaults,
					     kSCPropNetAppleTalkDefaultZone,
					     defaultZone);
		}

		CFDictionarySetValue(newDefaults, ifName, ifDefaults);
		CFRelease(ifDefaults);

		switch (CFArrayGetCount(newConfigFile)) {
			case 1:
				/*
				 * first AppleTalk interface
				 */
				CFDictionarySetValue(newStartup, CFSTR("APPLETALK"), ifName);
				break;
			case 2:
				/* second AppleTalk interface */
				if (!CFEqual(CFDictionaryGetValue(newStartup, CFSTR("APPLETALK")),
					     CFSTR("-ROUTER-"))) {
					/*
					 * if not routing (yet), configure as multi-home
					 */
					CFDictionarySetValue(newStartup, CFSTR("APPLETALK"), CFSTR("-MULTIHOME-"));
				}
				break;
		}

		if (CFEqual(configMethod, kSCValNetAppleTalkConfigMethodRouter) ||
		    CFEqual(configMethod, kSCValNetAppleTalkConfigMethodSeedRouter)) {
			/* if not a simple node, enable routing */
			CFDictionarySetValue(newStartup, CFSTR("APPLETALK"), CFSTR("-ROUTER-"));
		}

		/*
		 * establish the State:/Network/Service/nnn/AppleTalk key info
		 */
		key = SCDynamicStoreKeyCreateNetworkServiceEntity(NULL,
								  kSCDynamicStoreDomainState,
								  CFDictionaryGetValue(service, CFSTR("ServiceID")),
								  kSCEntNetAppleTalk);
		newDict = CFDictionaryCreateMutable(NULL,
						    0,
						    &kCFTypeDictionaryKeyCallBacks,
						    &kCFTypeDictionaryValueCallBacks);
		CFDictionaryAddValue(newDict, kSCPropInterfaceName, ifName);
		cache_SCDynamicStoreSetValue(store, key, newDict);
		CFRelease(newDict);
		if (info) {
			j = CFArrayGetFirstIndexOfValue(info,
							CFRangeMake(0, CFArrayGetCount(info)),
							key);
			if (j != kCFNotFound) {
				CFArrayRemoveValueAtIndex(info, j);
			}
		}
		CFRelease(key);

	    nextIF :

		if (portConfig)	CFRelease(portConfig);
	}

	if (primaryZone) {
		CFArrayRef		ifList;
		CFMutableArrayRef	newIFList;

		ifList = CFDictionaryGetValue(newZones, primaryZone);
		if (CFArrayContainsValue(ifList,
					 CFRangeMake(0, CFArrayGetCount(ifList)),
					 primaryPort)) {
			newIFList = CFArrayCreateMutableCopy(NULL, 0, ifList);
			CFArrayAppendValue(newIFList, CFSTR("*"));
			CFDictionarySetValue(newZones, primaryZone, newIFList);
			CFRelease(newIFList);
		}
		CFRelease(primaryZone);
	}
	if (primaryPort) {
		CFRelease(primaryPort);
	}

	/* sort the ports */
	i = CFArrayGetCount(newConfigFile);
	CFArraySortValues(newConfigFile,
			  CFRangeMake(0, i),
			  (CFComparatorFunction)CFStringCompare,
			  NULL);

	/* add the zones to the configuration */
	CFDictionaryApplyFunction(newZones, addZoneToPorts, newConfigFile);
	CFRelease(newZones);

	/* sort the zones */
	CFArraySortValues(newConfigFile,
			  CFRangeMake(i, CFArrayGetCount(newConfigFile)-i),
			  (CFComparatorFunction)CFStringCompare,
			  NULL);

	/* ensure that the last line of the configuration file is terminated */
	CFArrayAppendValue(newConfigFile, CFSTR(""));

	/*
	 * Check if we have a "ComputerName" and look elsewhere if we don't have
	 * one yet.
	 */
	if (!CFDictionaryContainsKey(newStartup, CFSTR("APPLETALK_HOSTNAME")) &&
	    (setGlobals != NULL)) {
		computerName = CFDictionaryGetValue(setGlobals,
						    kSCPropNetAppleTalkComputerName);
		if (CFDictionaryGetValueIfPresent(setGlobals,
						  kSCPropNetAppleTalkComputerNameEncoding,
						  (const void **)&num) &&
		    isA_CFNumber(num)) {
			CFNumberGetValue(num, kCFNumberIntType, &computerNameEncoding);
		} else {
			computerNameEncoding = CFStringGetSystemEncoding();
		}
		encodeName(computerName, computerNameEncoding, newStartup, newGlobals);
	}
	if (!CFDictionaryContainsKey(newStartup, CFSTR("APPLETALK_HOSTNAME"))) {
		computerName = SCDynamicStoreCopyComputerName(store, &computerNameEncoding);
		if (computerName) {
			encodeName(computerName, computerNameEncoding, newStartup, newGlobals);
			CFRelease(computerName);
		}
	}
	if (!CFDictionaryContainsKey(newStartup, CFSTR("APPLETALK_HOSTNAME"))) {
		struct utsname	name;

		if (uname(&name) == 0) {
			computerName = CFStringCreateWithCString(NULL, name.nodename, kCFStringEncodingASCII);
			if (computerName) {
				encodeName(computerName, kCFStringEncodingASCII, NULL, newGlobals);
				CFRelease(computerName);
			}
		}
	}

	/* compare the previous and current configurations */

	curGlobalsX = CFDictionaryCreateMutableCopy(NULL, 0, curGlobals);
	CFDictionaryRemoveValue(curGlobalsX, kSCDynamicStorePropNetPrimaryService);

	newGlobalsX = CFDictionaryCreateMutableCopy(NULL, 0, newGlobals);
	CFDictionaryRemoveValue(newGlobalsX, kSCDynamicStorePropNetPrimaryService);

	key = SCDynamicStoreKeyCreateNetworkGlobalEntity(NULL,
							 kSCDynamicStoreDomainState,
							 kSCEntNetAppleTalk);

	if (CFEqual(curGlobalsX   , newGlobalsX   ) &&
	    CFEqual(curConfigFile , newConfigFile) &&
	    CFEqual(curDefaults   , newDefaults  ) &&
	    CFEqual(curStartup    , newStartup   )
	    ) {
		/*
		 * the configuration has not changed.
		 */

		if (postGlobals) {
			/*
			 * the requested configuration hasn't changed but we
			 * now need to tell everyone that AppleTalk is active.
			 */
			if (!SCDynamicStoreSetValue(store, key, newGlobals)) {
				SCLog(TRUE,
				      LOG_ERR,
				      CFSTR("SCDynamicStoreSetValue() failed: %s"),
				      SCErrorString(SCError()));
			}
		}

		CFRelease(newGlobals);
		CFRelease(newConfigFile);
		CFRelease(newDefaults);
		CFRelease(newStartup);
	} else if (CFArrayGetCount(newConfigFile) <= 1) {
		/*
		 * the configuration has changed but there are no
		 * longer any interfaces configured for AppleTalk
		 * networking.
		 */

		/*
		 * remove the global (State:/Network/Global/AppleTalk) key.
		 *
		 * Note: it will be restored later after AT networking has
		 *       been activated.
		 */

		/* remove the (/etc/appletalk.cfg) configuration file */
		(void)unlink(AT_CFG_FILE);

		/*
		 * update the per-service (and global) state
		 */
		cache_SCDynamicStoreRemoveValue(store, key);	// remove State:/Network/Global/AppleTalk
		n = CFArrayGetCount(info);
		for (i = 0; i < n; i++) {
			CFStringRef	xKey	= CFArrayGetValueAtIndex(info, i);

			cache_SCDynamicStoreRemoveValue(store, xKey);
		}
		cache_write(store);

		/* flag this as a new configuration */
		*newState = -(abs(curState) + 1);
		changed = TRUE;
	} else {
		/*
		 * the configuration has changed.
		 */

		/* update the (/etc/appletalk.cfg) configuration file */
		configWrite(AT_CFG_FILE, newConfigFile);

		/*
		 * update the per-service (and global) state
		 *
		 * Note: if present, we remove any existing global state key and allow it
		 *       to be restored after the stack has been re-started.
		 */
		CFDictionaryApplyFunction(newDefaults, updateDefaults, NULL);
		cache_SCDynamicStoreRemoveValue(store, key);	// remove State:/Network/Global/AppleTalk
		n = CFArrayGetCount(info);
		for (i = 0; i < n; i++) {
			CFStringRef	xKey	= CFArrayGetValueAtIndex(info, i);

			cache_SCDynamicStoreRemoveValue(store, xKey);
		}
		cache_write(store);

		/* flag this as a new configuration */
		*newState = abs(curState) + 1;
		changed = TRUE;
	}

	CFRelease(curGlobalsX);
	CFRelease(newGlobalsX);
	CFRelease(key);

	if (changed) {
		CFRelease(curGlobals);
		curGlobals    = newGlobals;
		CFRelease(curConfigFile);
		curConfigFile = newConfigFile;
		CFRelease(curDefaults);
		curDefaults   = newDefaults;
		CFRelease(curStartup);
		curStartup    = newStartup;
	}

	if (info)		CFRelease(info);
	if (interfaces)		CFRelease(interfaces);
	if (configuredServices)	CFRelease(configuredServices);
	if (setGlobals)		CFRelease(setGlobals);

	cache_close();

	return changed;
}