Boolean
_SCNetworkSetSetSetID(SCNetworkSetRef set, CFStringRef newSetID)
{
SCNetworkSetRef currentSet = NULL;
SCNetworkSetPrivateRef currentSetPrivate = NULL;
CFDictionaryRef entity;
CFStringRef newPath;
Boolean ok = FALSE;
CFStringRef oldPath = NULL;
SCNetworkSetPrivateRef setPrivate = (SCNetworkSetPrivateRef)set;
Boolean updateCurrentSet = FALSE;
if (!isA_SCNetworkSet(set)) {
_SCErrorSet(kSCStatusInvalidArgument);
return FALSE;
}
if (!isA_CFString(newSetID)) {
_SCErrorSet(kSCStatusInvalidArgument);
return FALSE;
}
// If newSetID is equal to current setID, our work is done
if (CFEqual(newSetID, setPrivate->setID)) {
return TRUE;
}
newPath = SCPreferencesPathKeyCreateSet(NULL, newSetID);
entity = SCPreferencesPathGetValue(setPrivate->prefs, newPath);
if (isA_CFDictionary(entity)) {
// if the new set already exists
_SCErrorSet(kSCStatusKeyExists);
goto done;
}
oldPath = SCPreferencesPathKeyCreateSet(NULL, setPrivate->setID);
entity = SCPreferencesPathGetValue(setPrivate->prefs, oldPath);
if (!isA_CFDictionary(entity)) {
// if the set has already been removed
_SCErrorSet(kSCStatusNoKey);
goto done;
}
ok = SCPreferencesPathSetValue(setPrivate->prefs, newPath, entity);
if (!ok) {
goto done;
}
ok = SCPreferencesPathRemoveValue(setPrivate->prefs, oldPath);
if (!ok) {
goto done;
}
// update current set (if needed)
currentSet = SCNetworkSetCopyCurrent(setPrivate->prefs);
if (currentSet != NULL) {
currentSetPrivate = (SCNetworkSetPrivateRef)currentSet;
if (CFEqual(currentSetPrivate->setID, setPrivate->setID)) {
updateCurrentSet = TRUE;
}
CFRelease(currentSet);
}
CFRetain(newSetID);
CFRelease(setPrivate->setID);
setPrivate->setID = newSetID;
if (updateCurrentSet) {
SCNetworkSetSetCurrent(set);
}
done:
if (oldPath != NULL) {
CFRelease(oldPath);
}
if (newPath != NULL) {
CFRelease(newPath);
}
return ok;
}
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;
}
