volatile int kmod_start(void)
{
libkern_init0();
OSString* one = OSString::withCString("Anal sex");
OSString* two = OSString::withCString("Cunnilingus");
OSArray* sexthings = OSArray::withCapacity(2);
sexthings->setObject(one);
sexthings->setObject(two);
printk("Hello from IOKit!\n");
printk("Put: %p %p\n", one, two);
printk("OSArray: %p\n", sexthings);
printk("Get: %p %p\n", sexthings->getObject(0), sexthings->getObject(1));
OSSerialize* ser = OSSerialize::withCapacity(1024);
sexthings->serialize(ser);
printk("Serialized: %s \n", ser->text());
return 0;
}
OSObject * FileNVRAM::getProperty(const OSSymbol *aKey) const
{
OSObject* value = IOService::getProperty(aKey);
if (value)
{
OSSerialize *s = OSSerialize::withCapacity(1000);
if (value->serialize(s))
{
LOG(INFO, "getProperty(%s) = %s called\n", aKey->getCStringNoCopy(), s->text());
}
else
{
LOG(INFO, "getProperty(%s) = %p called\n", aKey->getCStringNoCopy(), value);
}
s->release();
}
else
{
// Ignore BSD Name for now in logs, it pollutes
if (!aKey->isEqualTo("BSD Name"))
{
LOG(INFO, "getProperty(%s) = %p called\n", aKey->getCStringNoCopy(), (void*)NULL);
}
}
return value;
}
bool FileNVRAM::setProperty(const OSSymbol *aKey, OSObject *anObject)
{
// Verify permissions.
if (IOUserClient::clientHasPrivilege(current_task(), kIOClientPrivilegeAdministrator) != kIOReturnSuccess)
{
// Not priveleged!
return false;
}
// Check for SIP configuration variables.
if ((strncmp("csr-data", aKey->getCStringNoCopy(), 8) == 0) || (strncmp("csr-active-config", aKey->getCStringNoCopy(), 17) == 0))
{
// We have a match so first verify the entitlements.
if (IOUserClient::copyClientEntitlement(current_task(), "com.apple.private.iokit.nvram-csr") == NULL)
{
LOG(INFO, "setProperty(%s, (%s) %p) failed (not entitled)\n", aKey->getCStringNoCopy(), anObject->getMetaClass()->getClassName(), anObject);
// Not entitled!
return false;
}
}
OSSerialize *s = OSSerialize::withCapacity(1000);
if (anObject->serialize(s))
{
LOG(INFO, "setProperty(%s, (%s) %s) called\n", aKey->getCStringNoCopy(), anObject->getMetaClass()->getClassName(), s->text());
}
else
{
LOG(INFO, "setProperty(%s, (%s) %p) called\n", aKey->getCStringNoCopy(), anObject->getMetaClass()->getClassName(), anObject);
}
s->release();
// Check for special FileNVRAM properties:
if (strncmp(FILE_NVRAM_GUID ":", aKey->getCStringNoCopy(), MIN(aKey->getLength(), strlen(FILE_NVRAM_GUID ":"))) == 0)
{
unsigned long bytes = aKey->getLength() - strlen(FILE_NVRAM_GUID ":") + 1;
// Found GUID
char* newKey = (char*)IOMalloc(bytes);
snprintf(newKey, bytes+1, "%s", &(aKey->getCStringNoCopy()[strlen(FILE_NVRAM_GUID ":")]));
// Send d
OSString* str = OSString::withCString(newKey);
handleSetting(str, anObject, this);
str->release();
IOFree(newKey, bytes);
}
bool stat = IOService::setProperty(aKey, cast(aKey, anObject));
if (mInitComplete)
{
sync();
}
return stat;
}
OSSerialize *OSSerialize::withCapacity(unsigned int inCapacity)
{
OSSerialize *me = new OSSerialize;
if (me && !me->initWithCapacity(inCapacity)) {
me->release();
return 0;
}
return me;
}
UInt32 FakeSMCDevice::loadKeysFromNVRAM()
{
UInt32 count = 0;
// Find driver and load keys from NVRAM
if (OSDictionary *matching = serviceMatching("IODTNVRAM")) {
if (IODTNVRAM *nvram = OSDynamicCast(IODTNVRAM, waitForMatchingService(matching, 1000000000ULL * 15))) {
useNVRAM = true;
if ((genericNVRAM = (0 == strncmp(nvram->getName(), "AppleNVRAM", sizeof("AppleNVRAM")))))
HWSensorsInfoLog("fallback to generic NVRAM methods");
OSSerialize *s = OSSerialize::withCapacity(0); // Workaround for IODTNVRAM->getPropertyTable returns IOKitPersonalities instead of NVRAM properties dictionary
if (nvram->serializeProperties(s)) {
if (OSDictionary *props = OSDynamicCast(OSDictionary, OSUnserializeXML(s->text()))) {
if (OSCollectionIterator *iterator = OSCollectionIterator::withCollection(props)) {
size_t prefix_length = strlen(kFakeSMCKeyPropertyPrefix);
char name[5]; name[4] = 0;
char type[5]; type[4] = 0;
while (OSString *property = OSDynamicCast(OSString, iterator->getNextObject())) {
const char *buffer = static_cast<const char *>(property->getCStringNoCopy());
if (property->getLength() >= prefix_length + 1 + 4 + 1 + 0 && 0 == strncmp(buffer, kFakeSMCKeyPropertyPrefix, prefix_length)) {
if (OSData *data = OSDynamicCast(OSData, props->getObject(property))) {
strncpy(name, buffer + prefix_length + 1, 4); // fakesmc-key-???? ->
strncpy(type, buffer + prefix_length + 1 + 4 + 1, 4); // fakesmc-key-xxxx-???? ->
if (addKeyWithValue(name, type, data->getLength(), data->getBytesNoCopy())) {
HWSensorsDebugLog("key %s of type %s loaded from NVRAM", name, type);
count++;
}
}
}
}
OSSafeRelease(iterator);
}
OSSafeRelease(props);
}
}
OSSafeRelease(s);
OSSafeRelease(nvram);
}
else {
HWSensorsWarningLog("NVRAM is unavailable");
}
OSSafeRelease(matching);
}
return count;
}
void
OWCDumpIORegistry::dumpIORegistry (void *argument)
{
IOSleep (DUMP_DELAY_SECONDS * 1000);
IORegistryIterator *iter = IORegistryIterator::iterateOver (gIOServicePlane, kIORegistryIterateRecursively);
if (iter == NULL) return;
int maxBufferSize = 2048;
char *buffer = (char *) IOMalloc (maxBufferSize);
if (buffer == NULL) return;
OSSerialize *s = OSSerialize::withCapacity (maxBufferSize);
if (s == NULL) return;
IORegistryEntry *object = iter->getCurrentEntry ();
while (object) {
s->clearText ();
int busyState = 0;
IOService *ios = OSDynamicCast (IOService, object);
if (ios) busyState = ios->getBusyState ();
int pathSize = maxBufferSize;
object->getPath (buffer, &pathSize, gIOServicePlane);
kprintf ("\n--> %s <%s> (%d, %d)\n", buffer, object->getMetaClass ()->getClassName (), object->getRetainCount (), busyState);
if (object->serializeProperties (s)) {
kprintf ("%s\n", s->text ());
} else {
kprintf ("serializeProperties failed\n");
}
object = iter->getNextObject ();
}
IOFree (buffer, maxBufferSize);
s->release ();
iter->release ();
}
void AppleALC::getBootArguments() {
OSSerialize *s = IOUtil::retrieveBootArguments();
if (s) {
bool disabled {false};
disabled |= strstr(s->text(), booatargOff, strlen(booatargOff)) != nullptr;
disabled |= strstr(s->text(), "-s", strlen("-s")) != nullptr;
disabled |= strstr(s->text(), "-x", strlen("-x")) != nullptr;
isEnabled = !disabled;
debugEnabled = strstr(s->text(), booatargDebug, strlen(booatargDebug));
DBGLOG("init @ boot arguments value is %s (enabled %d, debug %d)", s->text(), isEnabled, debugEnabled);
s->release();
} else {
DBGLOG("init @ no boot arguments available");
}
}
void FileNVRAM::doSync(void)
{
LOG(NOTICE, "doSync() called\n");
/* if (!mFilePath)
{
return;
} */
if (!mSafeToSync)
{
return;
}
LOG(NOTICE, "doSync() running\n");
//create the output Dictionary
OSDictionary * outputDict = OSDictionary::withCapacity(1);
//going to have to spin over ourselves..
OSDictionary * inputDict = dictionaryWithProperties();
OSCollectionIterator *iter = OSCollectionIterator::withCollection(inputDict);
if (iter == 0)
{
LOG(ERROR, "FAILURE!. No iterator on input dictionary (myself)\n");
return;
}
OSSymbol * key = NULL;
OSObject * value = NULL;
while ((key = OSDynamicCast(OSSymbol,iter->getNextObject())))
{
//just get the value now anyway
value = inputDict->getObject(key);
//if the key conmektains :, look to see if it's in the map already, cause we'll add a child pair to it
//otherwise we just slam the key/val pair in
const char * keyChar = key->getCStringNoCopy();
const char * guidValueStr = NULL;
if (( guidValueStr = strstr(keyChar , NVRAM_SEPERATOR)) != NULL)
{
//we have a GUID child to deal with
//now substring out the GUID cause thats going to be a DICT itself on the new outputDict
//guidValueStr points to the :
size_t guidCutOff = guidValueStr - keyChar;
//allocate buffer
//we ar ereally accounting for + sizeof('\0')
//thats always 1. so 1.
char guidStr[guidCutOff+1];
strlcpy(guidStr, keyChar, guidCutOff+1);
//in theory we have a guid and a value
//LOG("sync() -> Located GUIDStr as %s\n",guidStr);
//check for ?OSDictionary? from the dictionary
OSDictionary * guidDict = OSDynamicCast(OSDictionary, outputDict->getObject(guidStr));
if (!guidDict)
{
guidDict = OSDictionary::withCapacity(1);
outputDict->setObject(guidStr,guidDict);
}
//now we have a dict for the guid no matter what (mapping GUID | DICT)
guidDict->setObject(OSString::withCString(guidValueStr+strlen(NVRAM_SEPERATOR)), value);
}
else
{
//we are boring.
outputDict->setObject(key,value);
}
}//end while
//serialize and write this out
OSSerialize *s = OSSerialize::withCapacity(10000);
s->addString(NVRAM_FILE_HEADER);
outputDict->serialize(s);
s->addString(NVRAM_FILE_FOOTER);
int error = write_buffer(s->text(), mCtx);
if (error)
{
LOG(ERROR, "Unable to write to %s, errno %d\n", mFilePath->getCStringNoCopy(), error);
}
//now free the dictionaries && iter
iter->release();
outputDict->release();
s->release();
}