nstool/lib/nx/AciHeader.h

#pragma once
#include <string>
#include <fnd/types.h>
#include <fnd/memory_blob.h>
#include <nx/ISerialiseableBinary.h>

class AciHeader : public ISerialiseableBinary
{
public:
	enum AciType
	{
		TYPE_ACI0,	// for Access Control Info
		TYPE_ACID	// for Access Control Info Desc
	};

	struct sSection
	{
		size_t offset;
		size_t size;
	};

	AciHeader();
	AciHeader(const AciHeader& other);
	AciHeader(const u8* bytes);

	bool operator==(const AciHeader& other) const;
	bool operator!=(const AciHeader& other) const;
	void operator=(const AciHeader& other);

	// to be used after export
	const u8* getBytes() const;
	size_t getSize() const;

	// export/import binary
	void exportBinary();
	void importBinary(const u8* bytes);
	void importBinary(const u8* bytes, size_t len);

	// variables
	AciType getAciType() const;
	void setAciType(AciType type);
	u64 getProgramId() const;
	void setProgramId(u64 program_id);
	const sSection& getFileAccessControl() const;
	void setFileAccessControl(u32 size);
	const sSection& getServiceAccessControl() const;
	void setServiceAccessControl(u32 size);
	const sSection& getKernelCapabilities() const;
	void setKernelCapabilities(u32 size);

private:
	const std::string kModuleName = "ACI_HEADER";
	const std::string kAciStructSig = "ACI0";
	const std::string kAciDescStructSig = "ACID";
	static const size_t kAciAlignSize = 0x10;

#pragma pack(push, 1)
	struct sAciHeader
	{
	private:
		u8 signature_[4];
		u8 reserved_1[12];
		u64 program_id_;
		u8 reserved_2[8];
		struct sAciSection
		{
		private:
			u32 offset_; // aligned by 0x10 from the last one
			u32 mSize;
		public:
			u32 offset() const { return le_word(offset_); }
			void set_offset(u32 offset) { offset_ = le_word(offset); }

			u32 size() const { return le_word(mSize); }
			void set_size(u32 size) { mSize = le_word(size); }
		} fac_, sac_, kc_;
		u8 reserved_3[8];
	public:
		const char* signature() const { return (const char*)signature_; }
		void set_signature(const char* signature) { memcpy(signature_, signature, 4); }

		u64 program_id() const { return le_dword(program_id_); }
		void set_program_id(u64 program_id) { program_id_ = le_dword(program_id); }

		const sAciSection& fac() const { return fac_; }
		sAciSection& fac() { return fac_; }

		const sAciSection& sac() const { return sac_; }
		sAciSection& sac() { return sac_; }

		const sAciSection& kc() const { return kc_; }
		sAciSection& kc() { return kc_; }
	};
#pragma pack(pop)

	// raw data
	fnd::MemoryBlob mBinaryBlob;

	// variables
	AciType mType;
	u64 mProgramId;
	sSection mFac, mSac, mKc;

	void clearVariables();
	void calculateSectionOffsets();
	bool isEqual(const AciHeader& other) const;
	void copyFrom(const AciHeader& other);
};