__private_extern__ Boolean
__setPrefsConfiguration(SCPreferencesRef prefs,
CFStringRef path,
CFDictionaryRef config,
Boolean keepInactive)
{
CFDictionaryRef curConfig;
CFMutableDictionaryRef newConfig = NULL;
Boolean ok;
if ((config != NULL) && !isA_CFDictionary(config)) {
_SCErrorSet(kSCStatusInvalidArgument);
return FALSE;
}
curConfig = SCPreferencesPathGetValue(prefs, path);
if (config != NULL) {
newConfig = CFDictionaryCreateMutableCopy(NULL, 0, config);
}
if (keepInactive) {
if (config == NULL) {
newConfig = CFDictionaryCreateMutable(NULL,
0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
}
if (isA_CFDictionary(curConfig) && CFDictionaryContainsKey(curConfig, kSCResvInactive)) {
// if currently disabled
CFDictionarySetValue(newConfig, kSCResvInactive, kCFBooleanTrue);
} else {
// if currently enabled
CFDictionaryRemoveValue(newConfig, kSCResvInactive);
}
}
// set new configuration
if (_SC_CFEqual(curConfig, newConfig)) {
// if no change
if (newConfig != NULL) CFRelease(newConfig);
ok = TRUE;
} else if (newConfig != NULL) {
// if new configuration (or we are preserving a disabled state)
ok = SCPreferencesPathSetValue(prefs, path, newConfig);
CFRelease(newConfig);
} else {
ok = SCPreferencesPathRemoveValue(prefs, path);
if (!ok && (SCError() == kSCStatusNoKey)) {
ok = TRUE;
}
}
return ok;
}
static SCBridgeInterfaceRef
copyAutoBridgeInterface(SCPreferencesRef prefs, CFStringRef bridgeName)
{
SCBridgeInterfaceRef bridge = NULL;
CFArrayRef interfaces;
// exclude Bridge [member] interfaces
interfaces = SCBridgeInterfaceCopyAll(prefs);
if (interfaces != NULL) {
CFIndex i;
CFIndex n;
n = CFArrayGetCount(interfaces);
for (i = 0; i < n; i++) {
SCBridgeInterfaceRef interface;
CFStringRef name = NULL;
CFDictionaryRef options;
interface = CFArrayGetValueAtIndex(interfaces, i);
options = SCBridgeInterfaceGetOptions(interface);
if ((options != NULL) &&
CFDictionaryGetValueIfPresent(options,
CFSTR("__AUTO__"),
(const void **)&name) &&
_SC_CFEqual(name, bridgeName)) {
bridge = interface;
CFRetain(bridge);
break;
}
}
CFRelease(interfaces);
}
if (bridge == NULL) {
bridge = SCBridgeInterfaceCreate(prefs);
if (bridge != NULL) {
CFMutableDictionaryRef newOptions;
Boolean ok;
newOptions = CFDictionaryCreateMutable(NULL, 0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFDictionarySetValue(newOptions, CFSTR("__AUTO__"), bridgeName);
ok = SCBridgeInterfaceSetOptions(bridge, newOptions);
CFRelease(newOptions);
if (!ok) {
CFRelease(bridge);
bridge = NULL;
}
}
}
return bridge;
}
__private_extern__ Boolean
__setPrefsEnabled(SCPreferencesRef prefs,
CFStringRef path,
Boolean enabled)
{
CFDictionaryRef curConfig;
CFMutableDictionaryRef newConfig = NULL;
Boolean ok = FALSE;
// preserve current configuration
curConfig = SCPreferencesPathGetValue(prefs, path);
if (curConfig != NULL) {
if (!isA_CFDictionary(curConfig)) {
_SCErrorSet(kSCStatusFailed);
return FALSE;
}
newConfig = CFDictionaryCreateMutableCopy(NULL, 0, curConfig);
if (enabled) {
// enable
CFDictionaryRemoveValue(newConfig, kSCResvInactive);
} else {
// disable
CFDictionarySetValue(newConfig, kSCResvInactive, kCFBooleanTrue);
}
} else {
if (!enabled) {
// disable
newConfig = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
CFDictionarySetValue(newConfig, kSCResvInactive, kCFBooleanTrue);
}
}
// set new configuration
if (_SC_CFEqual(curConfig, newConfig)) {
// if no change
if (newConfig != NULL) CFRelease(newConfig);
ok = TRUE;
} else if (newConfig != NULL) {
// if updated configuration (or we are establishing as disabled)
ok = SCPreferencesPathSetValue(prefs, path, newConfig);
CFRelease(newConfig);
} else {
ok = SCPreferencesPathRemoveValue(prefs, path);
if (!ok && (SCError() == kSCStatusNoKey)) {
ok = TRUE;
}
}
return ok;
}
static CFArrayRef
updateServices(CFArrayRef services, SCNetworkInterfaceRef interface)
{
CFStringRef bsdName;
CFIndex i;
CFIndex n;
CFMutableArrayRef newServices;
if (services == NULL) {
return NULL;
}
bsdName = SCNetworkInterfaceGetBSDName(interface);
newServices = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
n = CFArrayGetCount(services);
for (i = 0; i < n; i++) {
SCNetworkInterfaceRef interface;
CFStringRef interfaceName;
SCNetworkServiceRef newService;
SCNetworkServiceRef service;
CFStringRef serviceID;
SCNetworkServicePrivateRef servicePrivate;
service = CFArrayGetValueAtIndex(services, i);
interface = SCNetworkServiceGetInterface(service);
interfaceName = SCNetworkInterfaceGetBSDName(interface);
if (!_SC_CFEqual(interfaceName, bsdName)) {
// if not a match, retain
CFArrayAppendValue(newServices, service);
continue;
}
// if a match, update
serviceID = SCNetworkServiceGetServiceID(service);
servicePrivate = (SCNetworkServicePrivateRef)service;
newService = SCNetworkServiceCopy(servicePrivate->prefs, serviceID);
if (newService != NULL) {
CFArrayAppendValue(newServices, newService);
CFRelease(newService);
}
}
return newServices;
}
static void
update_pref(SCPreferencesRef prefs, CFStringRef key, CFTypeRef newVal, Boolean *changed)
{
CFTypeRef curVal;
curVal = SCPreferencesGetValue(prefs, key);
if (!_SC_CFEqual(curVal, newVal)) {
if (newVal != NULL) {
SCPreferencesSetValue(prefs, key, newVal);
} else {
SCPreferencesRemoveValue(prefs, key);
}
*changed = TRUE;
}
return;
}
__private_extern__
void
load_PreferencesMonitor(CFBundleRef bundle, Boolean bundleVerbose)
{
Boolean initPrefs = TRUE;
if (bundleVerbose) {
_verbose = TRUE;
}
SCLog(_verbose, LOG_DEBUG, CFSTR("load() called"));
SCLog(_verbose, LOG_DEBUG, CFSTR(" bundle ID = %@"), CFBundleGetIdentifier(bundle));
/* open a SCDynamicStore session to allow cache updates */
store = SCDynamicStoreCreate(NULL,
CFSTR("PreferencesMonitor.bundle"),
watchQuietCallback,
NULL);
if (store == NULL) {
SCLog(TRUE, LOG_ERR,
CFSTR("SCDynamicStoreCreate() failed: %s"),
SCErrorString(SCError()));
goto error;
}
/* open a SCPreferences session */
#ifndef MAIN
prefs = SCPreferencesCreate(NULL, CFSTR("PreferencesMonitor.bundle"), NULL);
#else // !MAIN
prefs = SCPreferencesCreate(NULL, CFSTR("PreferencesMonitor.bundle"), CFSTR("/tmp/preferences.plist"));
#endif // !MAIN
if (prefs != NULL) {
Boolean need_update = FALSE;
CFStringRef new_model;
new_model = _SC_hw_model(FALSE);
/* Need to regenerate the new configuration for new model */
if (new_model != NULL) {
CFStringRef old_model;
old_model = SCPreferencesGetValue(prefs, MODEL);
if (old_model != NULL && !_SC_CFEqual(old_model, new_model)) {
// if new hardware
need_update = TRUE;
}
}
if (need_update == FALSE) {
SCNetworkSetRef current;
current = SCNetworkSetCopyCurrent(prefs);
if (current != NULL) {
/* network configuration available, disable template creation */
initPrefs = FALSE;
CFRelease(current);
}
}
} else {
SCLog(TRUE, LOG_ERR,
CFSTR("SCPreferencesCreate() failed: %s"),
SCErrorString(SCError()));
goto error;
}
/*
* register for change notifications.
*/
if (!SCPreferencesSetCallback(prefs, updateConfiguration, NULL)) {
SCLog(TRUE, LOG_ERR,
CFSTR("SCPreferencesSetCallBack() failed: %s"),
SCErrorString(SCError()));
goto error;
}
if (!SCPreferencesScheduleWithRunLoop(prefs, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode)) {
SCLog(TRUE, LOG_ERR,
CFSTR("SCPreferencesScheduleWithRunLoop() failed: %s"),
SCErrorString(SCError()));
goto error;
}
/*
* if no preferences, initialize with a template (now or
* when IOKit has quiesced).
*/
if (initPrefs) {
watchQuietEnable();
watchQuietCallback(store, NULL, NULL);
}
return;
error :
watchQuietDisable();
if (store != NULL) CFRelease(store);
if (prefs != NULL) CFRelease(prefs);
return;
}
static Boolean
establishNewPreferences()
{
CFBundleRef bundle;
SCNetworkSetRef current = NULL;
CFStringRef new_model;
Boolean ok = FALSE;
int sc_status = kSCStatusFailed;
SCNetworkSetRef set = NULL;
CFStringRef setName = NULL;
Boolean updated = FALSE;
while (TRUE) {
ok = SCPreferencesLock(prefs, TRUE);
if (ok) {
break;
}
sc_status = SCError();
if (sc_status == kSCStatusStale) {
SCPreferencesSynchronize(prefs);
} else {
SCLog(TRUE, LOG_ERR,
CFSTR("Could not acquire network configuration lock: %s"),
SCErrorString(sc_status));
return FALSE;
}
}
/* Ensure that the preferences has the new model */
new_model = _SC_hw_model(FALSE);
/* Need to regenerate the new configuration for new model */
if (new_model != NULL) {
CFStringRef old_model;
old_model = SCPreferencesGetValue(prefs, MODEL);
if ((old_model != NULL) && !_SC_CFEqual(old_model, new_model)) {
CFIndex count;
CFIndex index;
CFArrayRef keys;
keys = SCPreferencesCopyKeyList(prefs);
count = (keys != NULL) ? CFArrayGetCount(keys) : 0;
// if new hardware
for (index = 0; index < count; index++) {
CFStringRef existing_key;
existing_key = CFArrayGetValueAtIndex(keys, index);
if (isA_CFString(existing_key) != NULL) {
CFStringRef new_key;
CFPropertyListRef value;
/* If it already contains a Model
or if it already contains a MODEL:KEY key skip it*/
if (CFEqual(existing_key, MODEL)
|| CFStringFind(existing_key, CFSTR(":"), 0).location
!= kCFNotFound) {
continue;
}
value = SCPreferencesGetValue(prefs, existing_key);
/* Create a new key as OLD_MODEL:OLD_KEY */
new_key = CFStringCreateWithFormat(NULL, NULL, CFSTR("%@:%@"),
old_model, existing_key);
SCPreferencesSetValue(prefs, new_key, value);
if (!CFEqual(existing_key, kSCPrefSystem)) {
/* preserve existing host names */
SCPreferencesRemoveValue(prefs, existing_key);
}
CFRelease(new_key);
}
}
if (keys != NULL) {
CFRelease(keys);
}
}
/* Set the new model */
SCPreferencesSetValue(prefs, MODEL, new_model);
}
current = SCNetworkSetCopyCurrent(prefs);
if (current != NULL) {
set = current;
}
if (set == NULL) {
set = SCNetworkSetCreate(prefs);
if (set == NULL) {
ok = FALSE;
sc_status = SCError();
goto done;
}
bundle = _SC_CFBundleGet();
if (bundle != NULL) {
setName = CFBundleCopyLocalizedString(bundle,
CFSTR("DEFAULT_SET_NAME"),
CFSTR("Automatic"),
NULL);
}
ok = SCNetworkSetSetName(set, (setName != NULL) ? setName : CFSTR("Automatic"));
if (!ok) {
sc_status = SCError();
goto done;
}
ok = SCNetworkSetSetCurrent(set);
if (!ok) {
sc_status = SCError();
goto done;
}
}
ok = SCNetworkSetEstablishDefaultConfiguration(set);
if (!ok) {
sc_status = SCError();
goto done;
}
done :
if (ok) {
ok = SCPreferencesCommitChanges(prefs);
if (ok) {
SCLog(TRUE, LOG_NOTICE, CFSTR("New network configuration saved"));
updated = TRUE;
} else {
sc_status = SCError();
if (sc_status == EROFS) {
/* a read-only fileysstem is OK */
ok = TRUE;
/* ... but we don't want to synchronize */
rofs = TRUE;
}
}
/* apply (committed or temporary/read-only) changes */
(void) SCPreferencesApplyChanges(prefs);
} else if ((current == NULL) && (set != NULL)) {
(void) SCNetworkSetRemove(set);
}
if (!ok) {
SCLog(TRUE, LOG_ERR,
CFSTR("Could not establish network configuration: %s"),
SCErrorString(sc_status));
}
(void)SCPreferencesUnlock(prefs);
if (setName != NULL) CFRelease(setName);
if (set != NULL) CFRelease(set);
return updated;
}
Boolean
_SCBondInterfaceUpdateConfiguration(SCPreferencesRef prefs)
{
CFArrayRef active = NULL;
CFArrayRef config = NULL;
CFIndex i;
CFIndex nActive;
CFIndex nConfig;
Boolean ok = TRUE;
int s = -1;
if (prefs == NULL) {
_SCErrorSet(kSCStatusInvalidArgument);
return FALSE;
}
/* configured Bonds */
config = SCBondInterfaceCopyAll(prefs);
nConfig = (config != NULL) ? CFArrayGetCount(config) : 0;
/* active Bonds */
active = _SCBondInterfaceCopyActive();
nActive = (active != NULL) ? CFArrayGetCount(active) : 0;
/*
* remove any no-longer-configured bond interfaces and
* any devices associated with a bond that are no longer
* associated with a bond.
*/
for (i = 0; i < nActive; i++) {
SCBondInterfaceRef a_bond;
CFStringRef a_bond_if;
CFIndex j;
Boolean found = FALSE;
a_bond = CFArrayGetValueAtIndex(active, i);
a_bond_if = SCNetworkInterfaceGetBSDName(a_bond);
for (j = 0; j < nConfig; j++) {
SCBondInterfaceRef c_bond;
CFStringRef c_bond_if;
c_bond = CFArrayGetValueAtIndex(config, j);
c_bond_if = SCNetworkInterfaceGetBSDName(c_bond);
if (CFEqual(a_bond_if, c_bond_if)) {
CFIndex a;
CFArrayRef a_bond_interfaces;
CFIndex a_count;
CFArrayRef c_bond_interfaces;
CFIndex c_count;
c_bond_interfaces = SCBondInterfaceGetMemberInterfaces(c_bond);
c_count = (c_bond_interfaces != NULL) ? CFArrayGetCount(c_bond_interfaces) : 0;
a_bond_interfaces = SCBondInterfaceGetMemberInterfaces(a_bond);
a_count = (a_bond_interfaces != NULL) ? CFArrayGetCount(a_bond_interfaces) : 0;
for (a = 0; a < a_count; a++) {
SCNetworkInterfaceRef a_interface;
CFStringRef a_interface_if;
a_interface = CFArrayGetValueAtIndex(a_bond_interfaces, a);
if ((c_count == 0) ||
!CFArrayContainsValue(c_bond_interfaces,
CFRangeMake(0, c_count),
a_interface)) {
/*
* if this device is no longer part
* of the bond.
*/
if (s == -1) {
s = inet_dgram_socket();
if (s == -1) {
_SCErrorSet(errno);
ok = FALSE;
goto done;
}
}
a_interface_if = SCNetworkInterfaceGetBSDName(a_interface);
if (!__bond_remove_interface(s, a_bond_if, a_interface_if)) {
ok = FALSE;
}
}
}
found = TRUE;
break;
}
}
if (!found) {
/*
* if this interface is no longer configured
*/
if (s == -1) {
s = inet_dgram_socket();
if (s == -1) {
_SCErrorSet(errno);
ok = FALSE;
goto done;
}
}
if (!__destroyInterface(s, a_bond_if)) {
_SCErrorSet(errno);
ok = FALSE;
}
}
}
/*
* add any newly-configured bond interfaces and add any
* devices that should now be associated with the bond.
*/
for (i = 0; i < nConfig; i++) {
CFNumberRef c_bond_mode;
SCBondInterfaceRef c_bond;
CFArrayRef c_bond_interfaces;
CFStringRef c_bond_if;
CFIndex c_count;
Boolean found = FALSE;
CFIndex j;
c_bond = CFArrayGetValueAtIndex(config, i);
c_bond_if = SCNetworkInterfaceGetBSDName(c_bond);
c_bond_interfaces = SCBondInterfaceGetMemberInterfaces(c_bond);
c_bond_mode = SCBondInterfaceGetMode(c_bond);
c_count = (c_bond_interfaces != NULL) ? CFArrayGetCount(c_bond_interfaces) : 0;
for (j = 0; j < nActive; j++) {
SCBondInterfaceRef a_bond;
CFArrayRef a_bond_interfaces;
CFNumberRef a_bond_mode;
CFStringRef a_bond_if;
CFIndex a_count;
a_bond = CFArrayGetValueAtIndex(active, j);
a_bond_if = SCNetworkInterfaceGetBSDName(a_bond);
a_bond_interfaces = SCBondInterfaceGetMemberInterfaces(a_bond);
a_bond_mode = SCBondInterfaceGetMode(a_bond);
a_count = (a_bond_interfaces != NULL) ? CFArrayGetCount(a_bond_interfaces) : 0;
if (CFEqual(c_bond_if, a_bond_if)) {
CFIndex c;
Boolean if_list_change = FALSE;
Boolean mode_change = FALSE;
found = TRUE;
if (!_SC_CFEqual(a_bond_mode, c_bond_mode)) {
mode_change = TRUE;
}
if (!_SC_CFEqual(c_bond_interfaces, a_bond_interfaces)) {
if_list_change = TRUE;
}
if (!mode_change && !if_list_change) {
break; // if no change
}
if (s == -1) {
s = inet_dgram_socket();
if (s == -1) {
_SCErrorSet(errno);
ok = FALSE;
goto done;
}
}
if (mode_change) {
__bond_set_mode(s, a_bond_if, c_bond_mode);
}
if (!if_list_change) {
break; // no if list changes
}
/*
* ensure that the first device of the bond matches, if
* not then we remove all current devices and add them
* back in the preferred order.
*/
if ((c_count > 0) &&
(a_count > 0) &&
!CFEqual(CFArrayGetValueAtIndex(c_bond_interfaces, 0),
CFArrayGetValueAtIndex(a_bond_interfaces, 0))) {
CFIndex a;
for (a = 0; a < a_count; a++) {
SCNetworkInterfaceRef a_interface;
CFStringRef a_interface_if;
a_interface = CFArrayGetValueAtIndex(a_bond_interfaces, a);
if (!CFArrayContainsValue(c_bond_interfaces,
CFRangeMake(0, c_count),
a_interface)) {
continue; // if already removed
}
a_interface_if = SCNetworkInterfaceGetBSDName(a_interface);
if (!__bond_remove_interface(s, a_bond_if, a_interface_if)) {
ok = FALSE;
}
}
a_count = 0; // all active devices have been removed
}
/*
* add any devices which are not currently associated
* with the bond interface.
*/
for (c = 0; c < c_count; c++) {
SCNetworkInterfaceRef c_interface;
SCNetworkInterfacePrivateRef c_interfacePrivate;
CFStringRef c_interface_if;
c_interface = CFArrayGetValueAtIndex(c_bond_interfaces, c);
if ((a_count == 0) ||
!CFArrayContainsValue(a_bond_interfaces,
CFRangeMake(0, a_count),
c_interface)) {
/*
* check if this member interface can be added to a bond.
*/
c_interfacePrivate = (SCNetworkInterfacePrivateRef)c_interface;
if (!c_interfacePrivate->supportsBond) {
// if member not supported
continue;
}
/*
* if this member interface is not currently part of the bond.
*/
c_interface_if = SCNetworkInterfaceGetBSDName(c_interface);
if (!__bond_add_interface(s, c_bond_if, c_interface_if)) {
// if member could not be added
ok = FALSE;
}
}
}
break;
}
}
if (!found) {
CFIndex c;
if (s == -1) {
s = inet_dgram_socket();
if (s == -1) {
_SCErrorSet(errno);
ok = FALSE;
goto done;
}
}
/*
* establish the new bond interface.
*/
if (!__createInterface(s, c_bond_if)) {
_SCErrorSet(errno);
ok = FALSE;
continue;
}
/* set the mode */
__bond_set_mode(s, c_bond_if, c_bond_mode);
/*
* add the member interfaces
*/
for (c = 0; c < c_count; c++) {
SCNetworkInterfaceRef c_interface;
SCNetworkInterfacePrivateRef c_interfacePrivate;
CFStringRef c_interface_if;
c_interface = CFArrayGetValueAtIndex(c_bond_interfaces, c);
c_interfacePrivate = (SCNetworkInterfacePrivateRef)c_interface;
if (!c_interfacePrivate->supportsBond) {
// if member not supported
continue;
}
c_interface_if = SCNetworkInterfaceGetBSDName(c_interface);
if (!__bond_add_interface(s, c_bond_if, c_interface_if)) {
// if member could not be added
ok = FALSE;
}
}
}
}
done :
if (active != NULL) CFRelease(active);
if (config != NULL) CFRelease(config);
if (s != -1) (void) close(s);
return ok;
}
