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#include "UnameProbe.h"

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  UnameProbe Class  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
UnameProbe* UnameProbe::instance = NULL;

UnameProbe::UnameProbe() {

}

UnameProbe::~UnameProbe() {
  instance = NULL;
}

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  Public Members  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
AbsProbe* UnameProbe::Instance() {

	// Use lazy initialization
	if(instance == NULL) 
		instance = new UnameProbe();

	return instance;	
}

ItemVector* UnameProbe::CollectItems(Object *object) {

	ItemVector *collectedItems = NULL;

	struct utsname tmpName;
	
	if (uname(&tmpName) > -1) {

		collectedItems = new ItemVector();

		// create a new uname item
		Item* item = this->CreateItem();
		item->SetStatus(OvalEnum::STATUS_EXISTS);
		collectedItems->push_back(item);

		item->AppendElement(new ItemEntity("machine_class",  tmpName.machine, OvalEnum::DATATYPE_STRING, OvalEnum::STATUS_EXISTS));
		item->AppendElement(new ItemEntity("node_name",  tmpName.nodename, OvalEnum::DATATYPE_STRING, OvalEnum::STATUS_EXISTS));
		item->AppendElement(new ItemEntity("os_name",  tmpName.sysname, OvalEnum::DATATYPE_STRING, OvalEnum::STATUS_EXISTS));
		item->AppendElement(new ItemEntity("os_release",  tmpName.release, OvalEnum::DATATYPE_STRING, OvalEnum::STATUS_EXISTS));
		item->AppendElement(new ItemEntity("os_version",  tmpName.version, OvalEnum::DATATYPE_STRING, OvalEnum::STATUS_EXISTS));
		// These two appear to be the same on a Linux system
		item->AppendElement(new ItemEntity("processor_type",  tmpName.machine, OvalEnum::DATATYPE_STRING, OvalEnum::STATUS_EXISTS));

	} else {
		throw ProbeException("Error: UnameProbe() unable to get uname information");
	}

	//I am laving this Solaris condition here for reference use
	//When I have to write a Solaris uname probe. I will just use this probe as a template
	/*#ifdef SUNOS

	char buf[64];
	
	memset(buf, '\0', sizeof(buf));
	if (sysinfo(SI_ARCHITECTURE, buf, sizeof(buf)) > -1) 
	{
		processorType = buf;
	}
	
	memset(buf, '\0', sizeof(buf));
	if (sysinfo(SI_PLATFORM, buf, sizeof(buf)) > -1) 
	{
		hardwarePlatform = buf;
	}
	#endif*/

	return collectedItems;
}

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  Private Members  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
Item* UnameProbe::CreateItem() {

	Item* item = new Item(0, 
						"http://oval.mitre.org/XMLSchema/oval-system-characteristics-5#unix", 
						"unix-sc", 
						"http://oval.mitre.org/XMLSchema/oval-system-characteristics-5#unix unix-system-characteristics-schema.xsd", 
						OvalEnum::STATUS_ERROR, 
						"uname_item");

	return item;
}
