int
odkerb_get_im_handle_with_user_record(ODRecordRef userRecord, CFStringRef imType, CFStringRef realm, CFStringRef allegedShortName, char im_handle[], size_t im_handle_size)
{
int retval = -1;
CFArrayRef cfIMHandles = NULL;
CFErrorRef cfError = NULL;
CFMutableArrayRef cfMatches = NULL;
CFStringRef cfRealID = NULL;
int i;
ODKERB_PARAM_ASSERT(userRecord != NULL);
ODKERB_PARAM_ASSERT(allegedShortName != NULL);
ODKERB_PARAM_ASSERT(im_handle != 0);
ODKERB_PARAM_ASSERT(im_handle_size > 0);
*im_handle = '\0';
cfIMHandles = ODRecordCopyValues(userRecord, kODAttributeTypeIMHandle, &cfError);
if (cfIMHandles == NULL || cfError != NULL) {
ODKERB_LOG_CFERROR(LOG_ERR, "Unable to obtain IM handles", cfError);
goto failure;
}
else if (CFArrayGetCount(cfIMHandles) == 0) {
ODKERB_LOG_CFSTRING(LOG_DEBUG, "No IM handles", allegedShortName);
goto failure;
}
/* there could be many IM handles that look plausible, so we heuristically determine which
* one is the most likely to be the correct one. imagine, for instance, that the following
* ones are available:
* JABBER: [email protected]
* JABBER: [email protected]
* JABBER: [email protected]
* YAHOO: [email protected]
*/
/* first, remove those of the wrong type or realm because they can't possibly be right */
cfMatches = CFArrayCreateMutableCopy(kCFAllocatorDefault, 0, cfIMHandles);
if (cfMatches == NULL) {
ODKERB_LOG_ERRNO(LOG_ERR, ENOMEM);
goto failure;
}
for (i = CFArrayGetCount(cfMatches) - 1; i >= 0; --i) {
CFStringRef cfID = CFArrayGetValueAtIndex(cfMatches, i);
if (cfID != NULL
&& odkerb_CFStringHasPrefixWithOptions(cfID, imType, kCFCompareCaseInsensitive)
&& odkerb_CFStringHasSuffixWithOptions(cfID, realm, kCFCompareCaseInsensitive))
continue;
/* isn't a match, so remove it from the list */
CFArrayRemoveValueAtIndex(cfMatches, i);
}
CFStringRef match = NULL;
if (CFArrayGetCount(cfMatches) == 0) {
ODKERB_LOG_CFSTRING(LOG_INFO, "No IM handles matching type and realm", allegedShortName);
goto failure;
}
else if (CFArrayGetCount(cfMatches) == 1) {
match = CFArrayGetValueAtIndex(cfMatches, 0);
goto found_match;
}
/* second, attempt to use the short name to disasmbiguate among the several choices */
for (i = 0; i < CFArrayGetCount(cfMatches); ++i) {
CFStringRef cfID = CFArrayGetValueAtIndex(cfMatches, i);
if (cfID == NULL)
continue;
CFRange where = CFStringFind(cfID, allegedShortName, kCFCompareCaseInsensitive | kCFCompareDiacriticInsensitive);
if (where.location != kCFNotFound) {
match = cfID;
goto found_match;
}
}
/* at this point, there are several possibilities, but none of them contain the
* short name, so just choose the first one */
match = CFArrayGetValueAtIndex(cfMatches, 0);
found_match:
assert(match != NULL);
/* the ID is the substring following the IM type specifier prefix (kIMTypeJABBER) */
assert(CFStringGetLength(match) > CFStringGetLength(imType));
cfRealID = CFStringCreateWithSubstring(kCFAllocatorDefault, match,
CFRangeMake(CFStringGetLength(imType), CFStringGetLength(match)-CFStringGetLength(imType)));
if (cfRealID == NULL) {
ODKERB_LOG_ERRNO(LOG_ERR, ENOMEM);
goto failure;
}
if (CFStringGetCString(cfRealID, im_handle, im_handle_size-1, kCFStringEncodingUTF8) == FALSE) {
ODKERB_LOG_CFSTRING(LOG_ERR, "Cannot obtain IM handle string", cfRealID);
goto failure;
}
retval = 0;
failure:
CF_SAFE_RELEASE(cfError);
CF_SAFE_RELEASE(cfRealID);
CF_SAFE_RELEASE(cfMatches);
CF_SAFE_RELEASE(cfIMHandles);
return retval;
}
__private_extern__
void
set_service(int argc, char **argv)
{
Boolean ok;
if (net_service == NULL) {
SCPrint(TRUE, stdout, CFSTR("service not selected\n"));
return;
}
if (argc < 1) {
SCPrint(TRUE, stdout, CFSTR("set what?\n"));
return;
}
while (argc > 0) {
char *command;
command = argv[0];
argv++;
argc--;
if (strcmp(command, "name") == 0) {
CFStringRef serviceName;
if (argc < 1) {
SCPrint(TRUE, stdout, CFSTR("name not specified\n"));
return;
}
serviceName = (strlen(argv[0]) > 0)
? CFStringCreateWithCString(NULL, argv[0], kCFStringEncodingUTF8)
: NULL;
argv++;
argc--;
ok = SCNetworkServiceSetName(net_service, serviceName);
if (serviceName != NULL) CFRelease(serviceName);
if (!ok) {
SCPrint(TRUE, stdout, CFSTR("%s\n"), SCErrorString(SCError()));
return;
}
_prefs_changed = TRUE;
} else if (strcmp(command, "order") == 0) {
char *end;
long newIndex;
CFIndex nServices;
char *str;
CFArrayRef services;
services = SCNetworkSetCopyServices(net_set);
nServices = CFArrayGetCount(services);
CFRelease(services);
if (argc < 1) {
SCPrint(TRUE, stdout, CFSTR("order not specified\n"));
return;
}
if (net_set == NULL) {
SCPrint(TRUE, stdout, CFSTR("set not selected\n"));
return;
}
str = argv[0];
argv++;
argc--;
errno = 0;
newIndex = strtol(str, &end, 10);
if ((*str != '\0') && (*end == '\0') && (errno == 0)) {
if ((newIndex > 0) && (newIndex <= nServices)) {
CFIndex curIndex;
CFMutableArrayRef newOrder;
CFArrayRef order;
CFStringRef serviceID = SCNetworkServiceGetServiceID(net_service);
order = SCNetworkSetGetServiceOrder(net_set);
if (order == NULL) {
newOrder = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
} else {
newOrder = CFArrayCreateMutableCopy(NULL, 0, order);
}
curIndex = CFArrayGetFirstIndexOfValue(newOrder,
CFRangeMake(0, CFArrayGetCount(newOrder)),
serviceID);
if (curIndex != kCFNotFound) {
CFArrayRemoveValueAtIndex(newOrder, curIndex);
}
if (newIndex <= CFArrayGetCount(newOrder)) {
CFArrayInsertValueAtIndex(newOrder, newIndex - 1, serviceID);
} else {
CFArrayAppendValue(newOrder, serviceID);
}
ok = SCNetworkSetSetServiceOrder(net_set, newOrder);
CFRelease(newOrder);
if (!ok) {
SCPrint(TRUE, stdout, CFSTR("%s\n"), SCErrorString(SCError()));
return;
}
_prefs_changed = TRUE;
} else {
SCPrint(TRUE, stdout, CFSTR("set order to what?\n"));
return;
}
} else {
SCPrint(TRUE, stdout, CFSTR("set what?\n"));
return;
}
} else if (strcmp(command, "rank") == 0) {
SCNetworkServicePrimaryRank rank = kSCNetworkServicePrimaryRankDefault;
SCNetworkServiceRef service = (argc < 2) ? net_service : NULL;
if (argc < 1) {
SCPrint(TRUE, stdout, CFSTR("rank not specified\n"));
return;
}
if (strlen(argv[0]) > 0) {
if (strcasecmp(argv[0], "Never") == 0) {
rank = kSCNetworkServicePrimaryRankNever;
} else if ((service != net_service) && (strcasecmp(argv[0], "First") == 0)) {
rank = kSCNetworkServicePrimaryRankFirst;
} else if ((service != net_service) && (strcasecmp(argv[0], "Last") == 0)) {
rank = kSCNetworkServicePrimaryRankLast;
} else if ((service != net_service) && (strcasecmp(argv[0], "Scoped") == 0)) {
rank = kSCNetworkServicePrimaryRankScoped;
} else {
SCPrint(TRUE, stdout, CFSTR("rank not valid\n"));
return;
}
}
argv++;
argc--;
if (service == NULL) {
CFStringRef serviceID;
SCDynamicStoreRef store;
store = SCDynamicStoreCreate(NULL,
CFSTR("scutil (set primary rank)"),
NULL,
NULL);
serviceID = SCNetworkServiceGetServiceID(net_service);
service = _SCNetworkServiceCopyActive(store, serviceID);
CFRelease(store);
argv++;
argc--;
}
ok = SCNetworkServiceSetPrimaryRank(service, rank);
if (service != net_service) CFRelease(service);
if (ok) {
if (service == net_service) _prefs_changed = TRUE;
} else {
SCPrint(TRUE, stdout, CFSTR("%s\n"), SCErrorString(SCError()));
return;
}
} else if (strcmp(command, "id") == 0) {
CFStringRef serviceID;
if ((argc < 1) || (strlen(argv[0]) == 0)) {
SCPrint(TRUE, stdout, CFSTR("set id not specified\n"));
return;
}
serviceID = CFStringCreateWithCString(NULL, argv[0], kCFStringEncodingUTF8);
argv++;
argc--;
ok = _SCNetworkServiceSetServiceID(net_service, serviceID);
CFRelease(serviceID);
if (!ok) {
SCPrint(TRUE, stdout, CFSTR("%s\n"), SCErrorString(SCError()));
return;
}
_prefs_changed = TRUE;
} else {
SCPrint(TRUE, stdout, CFSTR("set what?\n"));
}
}
return;
}
QStringList QFSEventsFileSystemWatcherEngine::removePaths(const QStringList &paths,
QStringList *files,
QStringList *directories)
{
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 && !defined(Q_OS_IOS)
stop();
wait();
QMutexLocker locker(&mutex);
// short circuit for smarties that call remove before add and we have nothing.
if (pathsToWatch == 0)
return paths;
QStringList failedToRemove;
// if we have a running FSStreamEvent, we have to stop it, we'll re-add the stream soon.
FSEventStreamEventId idToCheck;
if (fsStream) {
idToCheck = FSEventStreamGetLatestEventId(fsStream);
cleanupFSStream(fsStream);
fsStream = 0;
} else {
idToCheck = kFSEventStreamEventIdSinceNow;
}
CFIndex itemCount = CFArrayGetCount(pathsToWatch);
QCFType<CFMutableArrayRef> tmpArray = CFArrayCreateMutableCopy(kCFAllocatorDefault, itemCount,
pathsToWatch);
CFRelease(pathsToWatch);
pathsToWatch = 0;
for (int i = 0; i < paths.size(); ++i) {
// Get the itemCount at the beginning to avoid any overruns during the iteration.
itemCount = CFArrayGetCount(tmpArray);
const QString &path = paths.at(i);
QFileInfo fi(path);
QCFString cfpath(createFSStreamPath(fi.canonicalPath()));
CFIndex index = CFArrayGetFirstIndexOfValue(tmpArray, CFRangeMake(0, itemCount), cfpath);
if (index != -1) {
CFArrayRemoveValueAtIndex(tmpArray, index);
files->removeAll(path);
removePathFromHash(filePathInfoHash, cfpath, path);
} else {
// Could be a directory we are watching instead.
QCFString cfdirpath(createFSStreamPath(fi.canonicalFilePath()));
index = CFArrayGetFirstIndexOfValue(tmpArray, CFRangeMake(0, itemCount), cfdirpath);
if (index != -1) {
CFArrayRemoveValueAtIndex(tmpArray, index);
directories->removeAll(path);
removePathFromHash(dirPathInfoHash, cfpath, path);
} else {
failedToRemove.append(path);
}
}
}
itemCount = CFArrayGetCount(tmpArray);
if (itemCount != 0) {
pathsToWatch = CFArrayCreateCopy(kCFAllocatorDefault, tmpArray);
FSEventStreamContext context = { 0, this, 0, 0, 0 };
fsStream = FSEventStreamCreate(kCFAllocatorDefault,
QFSEventsFileSystemWatcherEngine::fseventsCallback,
&context, pathsToWatch, idToCheck, Latency, QtFSEventFlags);
warmUpFSEvents();
}
return failedToRemove;
#else
Q_UNUSED(paths);
Q_UNUSED(files);
Q_UNUSED(directories);
return QStringList();
#endif
}
__private_extern__ CFArrayRef _CFPreferencesCreateDomainList(CFStringRef userName, CFStringRef hostName) {
CFAllocatorRef prefAlloc = __CFPreferencesAllocator();
CFArrayRef domains;
CFMutableArrayRef marray;
CFStringRef *cachedDomainKeys;
CFPreferencesDomainRef *cachedDomains;
SInt32 idx, cnt;
CFStringRef suffix;
UInt32 suffixLen;
CFURLRef prefDir = _preferencesDirectoryForUserHost(userName, hostName);
if (!prefDir) {
return NULL;
}
if (hostName == kCFPreferencesAnyHost) {
suffix = CFStringCreateWithCString(prefAlloc, ".plist", kCFStringEncodingASCII);
} else if (hostName == kCFPreferencesCurrentHost) {
CFStringRef hostID = _CFPreferencesGetByHostIdentifierString();
suffix = CFStringCreateWithFormat(prefAlloc, NULL, CFSTR(".%@.plist"), hostID);
} else {
suffix = CFStringCreateWithFormat(prefAlloc, NULL, CFSTR(".%@.plist"), hostName); // sketchy - this allows someone to create a domain list for an arbitrary hostname.
}
suffixLen = CFStringGetLength(suffix);
domains = (CFArrayRef)CFURLCreatePropertyFromResource(prefAlloc, prefDir, kCFURLFileDirectoryContents, NULL);
CFRelease(prefDir);
if (domains){
marray = CFArrayCreateMutableCopy(prefAlloc, 0, domains);
CFRelease(domains);
} else {
marray = CFArrayCreateMutable(prefAlloc, 0, & kCFTypeArrayCallBacks);
}
for (idx = CFArrayGetCount(marray)-1; idx >= 0; idx --) {
CFURLRef url = (CFURLRef)CFArrayGetValueAtIndex(marray, idx);
CFStringRef string = CFURLCopyFileSystemPath(url, kCFURLPOSIXPathStyle);
if (!CFStringHasSuffix(string, suffix)) {
CFArrayRemoveValueAtIndex(marray, idx);
} else {
CFStringRef dom = CFStringCreateWithSubstring(prefAlloc, string, CFRangeMake(0, CFStringGetLength(string) - suffixLen));
if (CFEqual(dom, CFSTR(".GlobalPreferences"))) {
CFArraySetValueAtIndex(marray, idx, kCFPreferencesAnyApplication);
} else {
CFArraySetValueAtIndex(marray, idx, dom);
}
CFRelease(dom);
}
CFRelease(string);
}
CFRelease(suffix);
// Now add any domains added in the cache; delete any that have been deleted in the cache
__CFSpinLock(&domainCacheLock);
if (!domainCache) {
__CFSpinUnlock(&domainCacheLock);
return marray;
}
cnt = CFDictionaryGetCount(domainCache);
cachedDomainKeys = (CFStringRef *)CFAllocatorAllocate(prefAlloc, 2 * cnt * sizeof(CFStringRef), 0);
cachedDomains = (CFPreferencesDomainRef *)(cachedDomainKeys + cnt);
CFDictionaryGetKeysAndValues(domainCache, (const void **)cachedDomainKeys, (const void **)cachedDomains);
__CFSpinUnlock(&domainCacheLock);
suffix = _CFPreferencesCachePrefixForUserHost(userName, hostName);
suffixLen = CFStringGetLength(suffix);
for (idx = 0; idx < cnt; idx ++) {
CFStringRef domainKey = cachedDomainKeys[idx];
CFPreferencesDomainRef domain = cachedDomains[idx];
CFStringRef domainName;
CFIndex keyCount = 0;
if (!CFStringHasPrefix(domainKey, suffix)) continue;
domainName = CFStringCreateWithSubstring(prefAlloc, domainKey, CFRangeMake(suffixLen, CFStringGetLength(domainKey) - suffixLen));
if (CFEqual(domainName, CFSTR("*"))) {
CFRelease(domainName);
domainName = (CFStringRef)CFRetain(kCFPreferencesAnyApplication);
} else if (CFEqual(domainName, kCFPreferencesCurrentApplication)) {
CFRelease(domainName);
domainName = (CFStringRef)CFRetain(_CFProcessNameString());
}
CFDictionaryRef d = _CFPreferencesDomainDeepCopyDictionary(domain);
keyCount = d ? CFDictionaryGetCount(d) : 0;
if (keyCount) CFRelease(d);
if (keyCount == 0) {
// Domain was deleted
SInt32 firstIndexOfValue = CFArrayGetFirstIndexOfValue(marray, CFRangeMake(0, CFArrayGetCount(marray)), domainName);
if (0 <= firstIndexOfValue) {
CFArrayRemoveValueAtIndex(marray, firstIndexOfValue);
}
} else if (!CFArrayContainsValue(marray, CFRangeMake(0, CFArrayGetCount(marray)), domainName)) {
CFArrayAppendValue(marray, domainName);
}
CFRelease(domainName);
}
CFRelease(suffix);
CFAllocatorDeallocate(prefAlloc, cachedDomainKeys);
return marray;
}
__private_extern__ kern_return_t _io_pm_hid_event_report_activity(
mach_port_t server,
audit_token_t token,
int _action)
{
pid_t callerPID;
CFNumberRef appPID = NULL;
int _app_pid_;
CFMutableDictionaryRef foundDictionary = NULL;
CFMutableArrayRef bucketsArray = NULL;
CFDataRef dataEvent = NULL;
IOPMHIDPostEventActivityWindow *ev = NULL;
CFAbsoluteTime timeNow = CFAbsoluteTimeGetCurrent();
int arrayCount = 0;
int i = 0;
// Unwrapping big data structure...
if (!gHIDEventHistory) {
gHIDEventHistory = CFArrayCreateMutable(0, 1, &kCFTypeArrayCallBacks);
}
if (!gHIDEventHistory) {
goto exit;
}
audit_token_to_au32(token, NULL, NULL, NULL, NULL, NULL, &callerPID, NULL, NULL);
if (0 !=(arrayCount = CFArrayGetCount(gHIDEventHistory)))
{
// Scan through the array to find an existing dictionary for the given pid
for (i=0; i<arrayCount; i++)
{
CFMutableDictionaryRef dictionaryForApp = NULL;
dictionaryForApp = (CFMutableDictionaryRef)CFArrayGetValueAtIndex(gHIDEventHistory, i);
if (!dictionaryForApp) {
break;
}
appPID = CFDictionaryGetValue(dictionaryForApp, kIOPMHIDAppPIDKey);
if (appPID) {
CFNumberGetValue(appPID, kCFNumberIntType, &_app_pid_);
if (callerPID == _app_pid_) {
foundDictionary = dictionaryForApp;
break;
}
}
}
}
// Unwrapping big data structure...
if (!foundDictionary) {
foundDictionary = CFDictionaryCreateMutable(0, 3, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
CFArrayAppendValue(gHIDEventHistory, foundDictionary);
CFRelease(foundDictionary);
/* Tag our pid */
appPID = CFNumberCreate(0, kCFNumberIntType, &callerPID);
if (appPID) {
CFDictionarySetValue(foundDictionary, kIOPMHIDAppPIDKey, appPID);
CFRelease(appPID);
}
/* Tag the process name */
CFStringRef appName = NULL;
char appBuf[MAXPATHLEN];
int len = proc_name(callerPID, appBuf, MAXPATHLEN);
if (0 != len) {
appName = CFStringCreateWithCString(0, appBuf, kCFStringEncodingMacRoman);
if (appName) {
CFDictionarySetValue(foundDictionary, kIOPMHIDAppPathKey, appName);
CFRelease(appName);
}
}
}
if (!foundDictionary)
goto exit;
// Unwrapping big data structure...
bucketsArray = (CFMutableArrayRef)CFDictionaryGetValue(foundDictionary, kIOPMHIDHistoryArrayKey);
if (!bucketsArray) {
bucketsArray = CFArrayCreateMutable(0, 1, &kCFTypeArrayCallBacks);
CFDictionarySetValue(foundDictionary, kIOPMHIDHistoryArrayKey, bucketsArray);
CFRelease(bucketsArray);
}
if (!bucketsArray)
goto exit;
// Check last HID event bucket timestamp - is it more than 5 minutes old?
bool foundWindowForEvent = false;
if (0 < CFArrayGetCount(bucketsArray)) {
dataEvent = (CFDataRef)CFArrayGetValueAtIndex(bucketsArray, 0);
}
if (dataEvent) {
ev = (IOPMHIDPostEventActivityWindow *)CFDataGetBytePtr(dataEvent);
if (timeNow < (ev->eventWindowStart + kFiveMinutesInSeconds))
{
// This HID event gets dropped into this existing 5 minute bucket.
// We bump the count for HID activity!
if (__NX_NULL_EVENT == _action) {
ev->nullEventCount++;
} else {
ev->hidEventCount++;
}
foundWindowForEvent = true;
}
}
if (!foundWindowForEvent) {
IOPMHIDPostEventActivityWindow newv;
// We align the starts of our windows with 5 minute intervals
newv.eventWindowStart = ((int)timeNow / (int)kFiveMinutesInSeconds) * kFiveMinutesInSeconds;
newv.nullEventCount = newv.hidEventCount = 0;
if (__NX_NULL_EVENT == _action) {
newv.nullEventCount++;
} else {
newv.hidEventCount++;
}
dataEvent = CFDataCreate(0, (const UInt8 *)&newv, sizeof(IOPMHIDPostEventActivityWindow));
if (dataEvent) {
CFArrayInsertValueAtIndex(bucketsArray, 0, dataEvent);
CFRelease(dataEvent);
}
// If we've recorded more than kMaxFiveMinutesWindowsCount activity windows for this process, delete the old ones.
while (kMaxFiveMinutesWindowsCount < CFArrayGetCount(bucketsArray)) {
CFArrayRemoveValueAtIndex(bucketsArray, CFArrayGetCount(bucketsArray) - 1);
}
}
exit:
return KERN_SUCCESS;
}
extern pascal OSStatus MoreSCCreateCCLArray(CFArrayRef *result, CFIndex *indexOfDefaultCCL)
// See comment in header.
{
OSStatus err;
CFMutableArrayRef localResult;
UInt32 domainIndex;
FSRef folderRef;
static const SInt16 kFolderDomains[] = {kUserDomain, kNetworkDomain, kLocalDomain, kSystemDomain, 0};
assert( result != NULL);
assert(*result == NULL);
// Create an array containing the names of the CCLs from the Modem Scripts
// folder in each domain.
localResult = NULL;
err = CFQArrayCreateMutable(&localResult);
if (err == noErr) {
UInt32 scannedFolders;
scannedFolders = 0;
domainIndex = 0;
do {
err = FSFindFolder(kFolderDomains[domainIndex], kModemScriptsFolderType, false, &folderRef);
if (err != noErr) {
// If we can't find the folder in this domain, just ignore the domain.
err = noErr;
} else {
scannedFolders += 1;
// If we found the folder, add each CCL in it to the array.
err = AddCCLsInFolderToArray(&folderRef, localResult);
}
domainIndex += 1;
} while (err == noErr && kFolderDomains[domainIndex] != 0);
// Testing reveals that under certain circumstances, the above loop
// will never find any folders. The specific case I saw was on
// Mac OS 9.1 with CarbonLib 1.6 when running the application off
// the non-boot volume. So, if FSFindFolder never returns any
// folders in the domains we looped over above, let's do it the old
// way and call FSFindFolder with kOnSystemDisk.
//
// I didn't file a bug against FSFindFolder because traditional Mac OS
// bugs are no longer being fixed at this time.
// -- Quinn, 10 Dec 2002
if ( (err == noErr) && (scannedFolders == 0) ) {
if (FSFindFolder(kOnSystemDisk, kModemScriptsFolderType, false, &folderRef) == noErr) {
err = AddCCLsInFolderToArray(&folderRef, localResult);
}
}
}
// Sort the resulting array and delete any duplicates.
if (err == noErr) {
CFIndex cursor;
CFArraySortValues(localResult, CFRangeMake(0, CFArrayGetCount(localResult)),
(CFComparatorFunction) CFStringCompare, (void *) kMyStringCompareOptions);
cursor = 1;
while (cursor < CFArrayGetCount(localResult)) {
if ( CFEqual(CFArrayGetValueAtIndex(localResult, cursor), CFArrayGetValueAtIndex(localResult, cursor - 1)) ) {
CFArrayRemoveValueAtIndex(localResult, cursor);
} else {
cursor += 1;
}
}
}
// Find the index of the default CCL (or use the first CCL if the default
// isn't found). The array is already sorted for user presentation, so
// we can use CFArrayBSearchValues rather than searching by hand. This
// might even be a relevant speed increase because the number of CCLs can
// range into the hundreds.
if (err == noErr && indexOfDefaultCCL != NULL) {
CFStringRef defaultCCLName;
CFIndex itemIndex;
if (gDefaultCCL == NULL) {
defaultCCLName = CFSTR("Apple Internal 56K Modem (v.90)");
} else {
defaultCCLName = gDefaultCCL;
}
itemIndex = CFArrayBSearchValues(localResult, CFRangeMake(0, CFArrayGetCount(localResult)),
defaultCCLName,
(CFComparatorFunction) CFStringCompare, (void *) kMyStringCompareOptions);
// itemIndex is either:
//
// o pointing directly at the correct element, if an exact match is found, or
//
// o if no exact match is found, pointing after the element that's immediately
// less than defaultCCLName
//
// So, to confirm that we have the default script we check that the item is in
// bounds and that its value matches defaultCCLName. If either of these
// checks fails, we return the index of the first CCL.
if ( (itemIndex < CFArrayGetCount(localResult))
&& (CFStringCompare(defaultCCLName,
(CFStringRef) CFArrayGetValueAtIndex(localResult, itemIndex),
kMyStringCompareOptions) == kCFCompareEqualTo)) {
*indexOfDefaultCCL = itemIndex;
} else {
*indexOfDefaultCCL = 0;
}
}
// Clean up.
if (err != noErr) {
CFQRelease(localResult);
localResult = NULL;
}
*result = localResult;
assert( (err == noErr) == (*result != NULL) );
assert( (err != noErr) // either we got an error
|| (indexOfDefaultCCL == NULL) // or the user didn't ask for the default CCL
|| (CFArrayGetCount(*result) == 0) // or there are no CCLs
|| (*indexOfDefaultCCL >= 0 && *indexOfDefaultCCL < CFArrayGetCount(*result)) );
// or the default CCL we're returning is in bounds
return err;
}