nstool/src/NcaProcess.cpp

#include "NcaProcess.h"

#include "PfsProcess.h"
#include "RomfsProcess.h"
#include "MetaProcess.h"

#include <iostream>
#include <iomanip>
#include <sstream>

#include <fnd/SimpleTextOutput.h>
#include <fnd/OffsetAdjustedIFile.h>
#include <fnd/AesCtrWrappedIFile.h>
#include <fnd/LayeredIntegrityWrappedIFile.h>

#include <nn/hac/ContentArchiveUtil.h>
#include <nn/hac/AesKeygen.h>
#include <nn/hac/HierarchicalSha256Header.h>
#include <nn/hac/HierarchicalIntegrityHeader.h>

nstool::NcaProcess::NcaProcess() :
	mFile(),
	mCliOutputMode(true, false, false, false),
	mVerify(false),
	mListFs(false)
{
	for (size_t i = 0; i < nn::hac::nca::kPartitionNum; i++)
	{
		mPartitionPath[i].doExtract = false;
	}
}

void nstool::NcaProcess::process()
{
	// import header
	importHeader();

	// determine keys
	generateNcaBodyEncryptionKeys();

	// import/generate fs header data
	generatePartitionConfiguration();

	// validate signatures
	if (mVerify)
		validateNcaSignatures();

	// display header
	if (mCliOutputMode.show_basic_info)
		displayHeader();

	// process partition
	processPartitions();
}

void nstool::NcaProcess::setInputFile(const std::shared_ptr<tc::io::IStream>& file)
{
	mFile = file;
}

void nstool::NcaProcess::setKeyCfg(const KeyBag& keycfg)
{
	mKeyCfg = keycfg;
}

void nstool::NcaProcess::setCliOutputMode(CliOutputMode type)
{
	mCliOutputMode = type;
}

void nstool::NcaProcess::setVerifyMode(bool verify)
{
	mVerify = verify;
}

void nstool::NcaProcess::setPartition0ExtractPath(const std::string& path)
{
	mPartitionPath[0].path = path;
	mPartitionPath[0].doExtract = true;
}

void nstool::NcaProcess::setPartition1ExtractPath(const std::string& path)
{
	mPartitionPath[1].path = path;
	mPartitionPath[1].doExtract = true;
}

void nstool::NcaProcess::setPartition2ExtractPath(const std::string& path)
{
	mPartitionPath[2].path = path;
	mPartitionPath[2].doExtract = true;
}

void nstool::NcaProcess::setPartition3ExtractPath(const std::string& path)
{
	mPartitionPath[3].path = path;
	mPartitionPath[3].doExtract = true;
}

void nstool::NcaProcess::setListFs(bool list_fs)
{
	mListFs = list_fs;
}

void nstool::NcaProcess::importHeader()
{
	if (*mFile == nullptr)
	{
		throw tc::Exception(kModuleName, "No file reader set.");
	}
	
	// read header block
	(*mFile)->read((byte_t*)&mHdrBlock, 0, sizeof(nn::hac::sContentArchiveHeaderBlock));
	
	// decrypt header block
	fnd::aes::sAesXts128Key header_key;
	mKeyCfg.getContentArchiveHeaderKey(header_key);
	nn::hac::ContentArchiveUtil::decryptContentArchiveHeader((byte_t*)&mHdrBlock, (byte_t*)&mHdrBlock, header_key);

	// generate header hash
	fnd::sha::Sha256((byte_t*)&mHdrBlock.header, sizeof(nn::hac::sContentArchiveHeader), mHdrHash.bytes);

	// proccess main header
	mHdr.fromBytes((byte_t*)&mHdrBlock.header, sizeof(nn::hac::sContentArchiveHeader));
}

void nstool::NcaProcess::generateNcaBodyEncryptionKeys()
{
	// create zeros key
	KeyBag::aes128_key_t zero_aesctr_key;
	memset(zero_aesctr_key.key, 0, sizeof(zero_aesctr_key));
	
	// get key data from header
	byte_t masterkey_rev = nn::hac::ContentArchiveUtil::getMasterKeyRevisionFromKeyGeneration(mHdr.getKeyGeneration());
	byte_t keak_index = mHdr.getKeyAreaEncryptionKeyIndex();

	// process key area
	sKeys::sKeyAreaKey kak;
	KeyBag::aes128_key_t key_area_enc_key;
	const KeyBag::aes128_key_t* key_area = (const KeyBag::aes128_key_t*) mHdr.getKeyArea();

	for (size_t i = 0; i < nn::hac::nca::kKeyAreaKeyNum; i++)
	{
		if (key_area[i] != zero_aesctr_key)
		{
			kak.index = (byte_t)i;
			kak.enc = key_area[i];
			// key[0-3]
			if (i < 4 && mKeyCfg.getNcaKeyAreaEncryptionKey(masterkey_rev, keak_index, key_area_enc_key) == true)
			{
				kak.decrypted = true;
				nn::hac::AesKeygen::generateKey(kak.dec.key, kak.enc.key, key_area_enc_key.key);
			}
			// key[KEY_AESCTR_HW]
			else if (i == nn::hac::nca::KEY_AESCTR_HW && mKeyCfg.getNcaKeyAreaEncryptionKeyHw(masterkey_rev, keak_index, key_area_enc_key) == true)
			{
				kak.decrypted = true;
				nn::hac::AesKeygen::generateKey(kak.dec.key, kak.enc.key, key_area_enc_key.key);
			}
			else
			{
				kak.decrypted = false;
			}
			mContentKey.kak_list.push_back(kak);
		}
	}

	// set flag to indicate that the keys are not available
	mContentKey.aes_ctr.isSet = false;

	// if this has a rights id, the key needs to be sourced from a ticket
	if (mHdr.hasRightsId() == true)
	{
		KeyBag::aes128_key_t tmp_key;
		if (mKeyCfg.getNcaExternalContentKey(mHdr.getRightsId(), tmp_key) == true)
		{
			mContentKey.aes_ctr = tmp_key;
		}
		else if (mKeyCfg.getNcaExternalContentKey(kDummyRightsIdForUserTitleKey, tmp_key) == true)
		{
			KeyBag::aes128_key_t common_key;
			if (mKeyCfg.getETicketCommonKey(masterkey_rev, common_key) == true)
			{
				nn::hac::AesKeygen::generateKey(tmp_key.key, tmp_key.key, common_key.key);
			}
			mContentKey.aes_ctr = tmp_key;
		}
	}
	// otherwise decrypt key area
	else
	{
		KeyBag::aes128_key_t kak_aes_ctr = zero_aesctr_key;
		for (size_t i = 0; i < mContentKey.kak_list.size(); i++)
		{
			if (mContentKey.kak_list[i].index == nn::hac::nca::KEY_AESCTR && mContentKey.kak_list[i].decrypted)
			{
				kak_aes_ctr = mContentKey.kak_list[i].dec;
			}
		}

		if (kak_aes_ctr != zero_aesctr_key)
		{
			mContentKey.aes_ctr = kak_aes_ctr;
		}
	}

	// if the keys weren't generated, check if the keys were supplied by the user
	if (mContentKey.aes_ctr.isNull())
	{
		if (mKeyCfg.getNcaExternalContentKey(kDummyRightsIdForUserBodyKey, mContentKey.aes_ctr.get()) == true)
			mContentKey.aes_ctr.isSet = true;
	}
	
	
	if (mCliOutputMode.show_keydata)
	{
		if (mContentKey.aes_ctr.isSet())
		{
			std::cout << "[NCA Content Key]" << std::endl;
			std::cout << "  AES-CTR Key: " << fnd::SimpleTextOutput::arrayToString(mContentKey.aes_ctr.get().key, sizeof(mContentKey.aes_ctr.get()), true, ":") << std::endl;
		}
	}
	
	
}

void nstool::NcaProcess::generatePartitionConfiguration()
{
	std::stringstream error;

	for (size_t i = 0; i < mHdr.getPartitionEntryList().size(); i++)
	{
		// get reference to relevant structures
		const nn::hac::ContentArchiveHeader::sPartitionEntry& partition = mHdr.getPartitionEntryList()[i];
		nn::hac::sContentArchiveFsHeader& fs_header = mHdrBlock.fs_header[partition.header_index];

		// output structure
		sPartitionInfo& info = mPartitions[partition.header_index];

		// validate header hash
		fnd::sha::sSha256Hash fs_header_hash;
		fnd::sha::Sha256((const byte_t*)&mHdrBlock.fs_header[partition.header_index], sizeof(nn::hac::sContentArchiveFsHeader), fs_header_hash.bytes);
		if (fs_header_hash.compare(partition.fs_header_hash) == false)
		{
			error.clear();
			error <<  "NCA FS Header [" << partition.header_index << "] Hash: FAIL \n";
			throw tc::Exception(kModuleName, error.str());
		}
			

		if (fs_header.version.get() != nn::hac::nca::kDefaultFsHeaderVersion)
		{
			error.clear();
			error <<  "NCA FS Header [" << partition.header_index << "] Version(" << fs_header.version.get() << "): UNSUPPORTED";
			throw tc::Exception(kModuleName, error.str());
		}

		// setup AES-CTR 
		nn::hac::ContentArchiveUtil::getNcaPartitionAesCtr(&fs_header, info.aes_ctr.iv);

		// save partition config
		info.reader = nullptr;
		info.offset = partition.offset;
		info.size = partition.size;
		info.format_type = (nn::hac::nca::FormatType)fs_header.format_type;
		info.hash_type = (nn::hac::nca::HashType)fs_header.hash_type;
		info.enc_type = (nn::hac::nca::EncryptionType)fs_header.encryption_type;
		if (info.hash_type == nn::hac::nca::HashType::HierarchicalSha256)
		{
			// info.hash_tree_meta.importData(fs_header.hash_info, nn::hac::nca::kHashInfoLen, LayeredIntegrityMetadata::HASH_TYPE_SHA256);
			nn::hac::HierarchicalSha256Header hdr;
			std::vector<fnd::LayeredIntegrityMetadata::sLayer> hash_layers;
			fnd::LayeredIntegrityMetadata::sLayer data_layer;
			std::vector<fnd::sha::sSha256Hash> master_hash_list;

			// import raw data
			hdr.fromBytes(fs_header.hash_info, nn::hac::nca::kHashInfoLen);
			for (size_t i = 0; i < hdr.getLayerInfo().size(); i++)
			{
				fnd::LayeredIntegrityMetadata::sLayer layer;
				layer.offset = hdr.getLayerInfo()[i].offset;
				layer.size = hdr.getLayerInfo()[i].size;
				layer.block_size = hdr.getHashBlockSize();
				if (i + 1 == hdr.getLayerInfo().size())
				{
					data_layer = layer;
				}
				else
				{
					hash_layers.push_back(layer);
				}
			}
			master_hash_list.push_back(hdr.getMasterHash());

			// write data into metadata
			info.layered_intergrity_metadata.setAlignHashToBlock(false);
			info.layered_intergrity_metadata.setHashLayerInfo(hash_layers);
			info.layered_intergrity_metadata.setDataLayerInfo(data_layer);
			info.layered_intergrity_metadata.setMasterHashList(master_hash_list);
		}	
		else if (info.hash_type == nn::hac::nca::HashType::HierarchicalIntegrity)
		{
			// info.hash_tree_meta.importData(fs_header.hash_info, nn::hac::nca::kHashInfoLen, LayeredIntegrityMetadata::HASH_TYPE_INTEGRITY);
			nn::hac::HierarchicalIntegrityHeader hdr;
			std::vector<fnd::LayeredIntegrityMetadata::sLayer> hash_layers;
			fnd::LayeredIntegrityMetadata::sLayer data_layer;
			std::vector<fnd::sha::sSha256Hash> master_hash_list;

			hdr.fromBytes(fs_header.hash_info, nn::hac::nca::kHashInfoLen);
			for (size_t i = 0; i < hdr.getLayerInfo().size(); i++)
			{
				fnd::LayeredIntegrityMetadata::sLayer layer;
				layer.offset = hdr.getLayerInfo()[i].offset;
				layer.size = hdr.getLayerInfo()[i].size;
				layer.block_size = (1 << hdr.getLayerInfo()[i].block_size);
				if (i + 1 == hdr.getLayerInfo().size())
				{
					data_layer = layer;
				}
				else
				{
					hash_layers.push_back(layer);
				}
			}

			// write data into metadata
			info.layered_intergrity_metadata.setAlignHashToBlock(true);
			info.layered_intergrity_metadata.setHashLayerInfo(hash_layers);
			info.layered_intergrity_metadata.setDataLayerInfo(data_layer);
			info.layered_intergrity_metadata.setMasterHashList(hdr.getMasterHashList());
		}

		// create reader
		try 
		{
			// filter out unrecognised format types
			switch (info.format_type)
			{
				case (nn::hac::nca::FormatType::PartitionFs):
				case (nn::hac::nca::FormatType::RomFs):
					break;
				default:
					error.clear();
					error <<  "FormatType(" << nn::hac::ContentArchiveUtil::getFormatTypeAsString(info.format_type) << "): UNKNOWN";
					throw tc::Exception(kModuleName, error.str());
			}

			// create reader based on encryption type0
			if (info.enc_type == nn::hac::nca::EncryptionType::None)
			{
				info.reader = new fnd::OffsetAdjustedIFile(mFile, info.offset, info.size);
			}
			else if (info.enc_type == nn::hac::nca::EncryptionType::AesCtr)
			{
				if (mContentKey.aes_ctr.isNull())
					throw tc::Exception(kModuleName, "AES-CTR Key was not determined");
				info.reader = new fnd::OffsetAdjustedIFile(new fnd::AesCtrWrappedIFile(mFile, mContentKey.aes_ctr.get(), info.aes_ctr), info.offset, info.size);
			}
			else if (info.enc_type == nn::hac::nca::EncryptionType::AesXts || info.enc_type == nn::hac::nca::EncryptionType::AesCtrEx)
			{
				error.clear();
				error <<  "EncryptionType(" << nn::hac::ContentArchiveUtil::getEncryptionTypeAsString(info.enc_type) << "): UNSUPPORTED";
				throw tc::Exception(kModuleName, error.str());
			}
			else
			{
				error.clear();
				error <<  "EncryptionType(" << nn::hac::ContentArchiveUtil::getEncryptionTypeAsString(info.enc_type) << "): UNKNOWN";
				throw tc::Exception(kModuleName, error.str());
			}

			// filter out unrecognised hash types, and hash based readers
			if (info.hash_type == nn::hac::nca::HashType::HierarchicalSha256 || info.hash_type == nn::hac::nca::HashType::HierarchicalIntegrity)
			{	
				info.reader = new fnd::LayeredIntegrityWrappedIFile(info.reader, info.layered_intergrity_metadata);
			}
			else if (info.hash_type != nn::hac::nca::HashType::None)
			{
				error.clear();
				error <<  "HashType(" << nn::hac::ContentArchiveUtil::getHashTypeAsString(info.hash_type) << "): UNKNOWN";
				throw tc::Exception(kModuleName, error.str());
			}
		}
		catch (const tc::Exception& e)
		{
			info.fail_reason = std::string(e.error());
		}
	}
}

void nstool::NcaProcess::validateNcaSignatures()
{
	// validate signature[0]
	fnd::rsa::sRsa2048Key sign0_key;
	mKeyCfg.getContentArchiveHeader0SignKey(sign0_key, mHdr.getSignatureKeyGeneration());
	if (fnd::rsa::pss::rsaVerify(sign0_key, fnd::sha::HASH_SHA256, mHdrHash.bytes, mHdrBlock.signature_main) != 0)
	{
		std::cout << "[WARNING] NCA Header Main Signature: FAIL" << std::endl;
	}

	// validate signature[1]
	if (mHdr.getContentType() == nn::hac::nca::ContentType::Program)
	{
		if (mPartitions[nn::hac::nca::PARTITION_CODE].format_type == nn::hac::nca::FormatType::PartitionFs)
		{
			if (*mPartitions[nn::hac::nca::PARTITION_CODE].reader != nullptr)
			{
				PfsProcess exefs;
				exefs.setInputFile(mPartitions[nn::hac::nca::PARTITION_CODE].reader);
				exefs.setCliOutputMode(0);
				exefs.process();

				// open main.npdm
				if (exefs.getPfsHeader().getFileList().hasElement(kNpdmExefsPath) == true)
				{
					const nn::hac::PartitionFsHeader::sFile& file = exefs.getPfsHeader().getFileList().getElement(kNpdmExefsPath);

					MetaProcess npdm;
					npdm.setInputFile(new fnd::OffsetAdjustedIFile(mPartitions[nn::hac::nca::PARTITION_CODE].reader, file.offset, file.size));
					npdm.setKeyCfg(mKeyCfg);
					npdm.setVerifyMode(true);
					npdm.setCliOutputMode(0);
					npdm.process();

					if (fnd::rsa::pss::rsaVerify(npdm.getMeta().getAccessControlInfoDesc().getContentArchiveHeaderSignature2Key(), fnd::sha::HASH_SHA256, mHdrHash.bytes, mHdrBlock.signature_acid) != 0)
					{
						std::cout << "[WARNING] NCA Header ACID Signature: FAIL" << std::endl;
					}
									
				}
				else
				{
					std::cout << "[WARNING] NCA Header ACID Signature: FAIL (\"" << kNpdmExefsPath << "\" not present in ExeFs)" << std::endl;
				}
			}
			else
			{
				std::cout << "[WARNING] NCA Header ACID Signature: FAIL (ExeFs unreadable)" << std::endl;
			}
		}
		else
		{
			std::cout << "[WARNING] NCA Header ACID Signature: FAIL (No ExeFs partition)" << std::endl;
		}
	}
}

void nstool::NcaProcess::displayHeader()
{
	std::cout << "[NCA Header]" << std::endl;
	std::cout << "  Format Type:     " << nn::hac::ContentArchiveUtil::getFormatHeaderVersionAsString((nn::hac::nca::HeaderFormatVersion)mHdr.getFormatVersion()) << std::endl;
	std::cout << "  Dist. Type:      " << nn::hac::ContentArchiveUtil::getDistributionTypeAsString(mHdr.getDistributionType()) << std::endl;
	std::cout << "  Content Type:    " << nn::hac::ContentArchiveUtil::getContentTypeAsString(mHdr.getContentType()) << std::endl;
	std::cout << "  Key Generation:  " << std::dec << (uint32_t)mHdr.getKeyGeneration() << std::endl;
	std::cout << "  Sig. Generation: " << std::dec << (uint32_t)mHdr.getSignatureKeyGeneration() << std::endl;
	std::cout << "  Kaek Index:      " << nn::hac::ContentArchiveUtil::getKeyAreaEncryptionKeyIndexAsString((nn::hac::nca::KeyAreaEncryptionKeyIndex)mHdr.getKeyAreaEncryptionKeyIndex()) << " (" << std::dec << (uint32_t)mHdr.getKeyAreaEncryptionKeyIndex() << ")" << std::endl;
	std::cout << "  Size:            0x" << std::hex << mHdr.getContentSize() << std::endl;
	std::cout << "  ProgID:          0x" << std::hex << std::setw(16) << std::setfill('0') << mHdr.getProgramId() << std::endl;
	std::cout << "  Content Index:   " << std::dec << mHdr.getContentIndex() << std::endl;
	std::cout << "  SdkAddon Ver.:   " << nn::hac::ContentArchiveUtil::getSdkAddonVersionAsString(mHdr.getSdkAddonVersion()) << " (v" << std::dec << mHdr.getSdkAddonVersion() << ")" << std::endl;
	if (mHdr.hasRightsId())
	{
		std::cout << "  RightsId:        " << fnd::SimpleTextOutput::arrayToString(mHdr.getRightsId(), nn::hac::nca::kRightsIdLen, true, "") << std::endl;
	}
	
	if (mContentKey.kak_list.size() > 0 && mCliOutputMode.show_keydata)
	{
		std::cout << "  Key Area:" << std::endl;
		std::cout << "    <--------------------------------------------------------------------------------------------------------->" << std::endl;
		std::cout << "    | IDX | ENCRYPTED KEY                                   | DECRYPTED KEY                                   |" << std::endl;
		std::cout << "    |-----|-------------------------------------------------|-------------------------------------------------|" << std::endl;
		for (size_t i = 0; i < mContentKey.kak_list.size(); i++)
		{
			std::cout << "    | " << std::dec << std::setw(3) << std::setfill(' ') << (uint32_t)mContentKey.kak_list[i].index << " | ";
			
			std::cout << fnd::SimpleTextOutput::arrayToString(mContentKey.kak_list[i].enc.key, 16, true, ":") << " | ";
			
			
			if (mContentKey.kak_list[i].decrypted)
				std::cout << fnd::SimpleTextOutput::arrayToString(mContentKey.kak_list[i].dec.key, 16, true, ":");
			else
				std::cout << "<unable to decrypt>             ";
			
			std::cout << " |" << std::endl;
		}
		std::cout << "    <--------------------------------------------------------------------------------------------------------->" << std::endl;
	}

	if (mCliOutputMode.show_layout)
	{
		std::cout << "  Partitions:" << std::endl;
		for (size_t i = 0; i < mHdr.getPartitionEntryList().size(); i++)
		{
			uint32_t index = mHdr.getPartitionEntryList()[i].header_index;
			sPartitionInfo& info = mPartitions[index];
			if (info.size == 0) continue;

			std::cout << "    " << std::dec << index << ":" << std::endl;
			std::cout << "      Offset:      0x" << std::hex << (uint64_t)info.offset << std::endl;
			std::cout << "      Size:        0x" << std::hex << (uint64_t)info.size << std::endl;
			std::cout << "      Format Type: " << nn::hac::ContentArchiveUtil::getFormatTypeAsString(info.format_type) << std::endl;
			std::cout << "      Hash Type:   " << nn::hac::ContentArchiveUtil::getHashTypeAsString(info.hash_type) << std::endl;
			std::cout << "      Enc. Type:   " << nn::hac::ContentArchiveUtil::getEncryptionTypeAsString(info.enc_type) << std::endl;
			if (info.enc_type == nn::hac::nca::EncryptionType::AesCtr)
			{
				fnd::aes::sAesIvCtr ctr;
				fnd::aes::AesIncrementCounter(info.aes_ctr.iv, info.offset>>4, ctr.iv);
				std::cout << "      AesCtr Counter:" << std::endl;
				std::cout << "        " << fnd::SimpleTextOutput::arrayToString(ctr.iv, sizeof(fnd::aes::sAesIvCtr), true, ":") << std::endl;
			}
			if (info.hash_type == nn::hac::nca::HashType::HierarchicalIntegrity)
			{
				fnd::LayeredIntegrityMetadata& hash_hdr = info.layered_intergrity_metadata;
				std::cout << "      HierarchicalIntegrity Header:" << std::endl;
				for (size_t j = 0; j < hash_hdr.getHashLayerInfo().size(); j++)
				{
					std::cout << "        Hash Layer " << std::dec << j << ":" << std::endl;
					std::cout << "          Offset:          0x" << std::hex << (uint64_t)hash_hdr.getHashLayerInfo()[j].offset << std::endl;
					std::cout << "          Size:            0x" << std::hex << (uint64_t)hash_hdr.getHashLayerInfo()[j].size << std::endl;
					std::cout << "          BlockSize:       0x" << std::hex << (uint32_t)hash_hdr.getHashLayerInfo()[j].block_size << std::endl;
				}

				std::cout << "        Data Layer:" << std::endl;
				std::cout << "          Offset:          0x" << std::hex << (uint64_t)hash_hdr.getDataLayer().offset << std::endl;
				std::cout << "          Size:            0x" << std::hex << (uint64_t)hash_hdr.getDataLayer().size << std::endl;
				std::cout << "          BlockSize:       0x" << std::hex << (uint32_t)hash_hdr.getDataLayer().block_size << std::endl;
				for (size_t j = 0; j < hash_hdr.getMasterHashList().size(); j++)
				{
					std::cout << "        Master Hash " << std::dec << j << ":" << std::endl;
					std::cout << "          " << fnd::SimpleTextOutput::arrayToString(hash_hdr.getMasterHashList()[j].bytes, 0x10, true, ":") << std::endl;
					std::cout << "          " << fnd::SimpleTextOutput::arrayToString(hash_hdr.getMasterHashList()[j].bytes+0x10, 0x10, true, ":") << std::endl;
				}
			}
			else if (info.hash_type == nn::hac::nca::HashType::HierarchicalSha256)
			{
				fnd::LayeredIntegrityMetadata& hash_hdr = info.layered_intergrity_metadata;
				std::cout << "      HierarchicalSha256 Header:" << std::endl;
				std::cout << "        Master Hash:" << std::endl;
				std::cout << "          " << fnd::SimpleTextOutput::arrayToString(hash_hdr.getMasterHashList()[0].bytes, 0x10, true, ":") << std::endl;
				std::cout << "          " << fnd::SimpleTextOutput::arrayToString(hash_hdr.getMasterHashList()[0].bytes+0x10, 0x10, true, ":") << std::endl;
				std::cout << "        HashBlockSize:     0x" << std::hex << (uint32_t)hash_hdr.getDataLayer().block_size << std::endl;
				std::cout << "        Hash Layer:" << std::endl;
				std::cout << "          Offset:          0x" << std::hex << (uint64_t)hash_hdr.getHashLayerInfo()[0].offset << std::endl;
				std::cout << "          Size:            0x" << std::hex << (uint64_t)hash_hdr.getHashLayerInfo()[0].size << std::endl;
				std::cout << "        Data Layer:" << std::endl;
				std::cout << "          Offset:          0x" << std::hex << (uint64_t)hash_hdr.getDataLayer().offset << std::endl;
				std::cout << "          Size:            0x" << std::hex << (uint64_t)hash_hdr.getDataLayer().size << std::endl;
			}
		}
	}
}


void nstool::NcaProcess::processPartitions()
{
	for (size_t i = 0; i < mHdr.getPartitionEntryList().size(); i++)
	{
		uint32_t index = mHdr.getPartitionEntryList()[i].header_index;
		struct sPartitionInfo& partition = mPartitions[index];

		// if the reader is null, skip
		if (*partition.reader == nullptr)
		{
			std::cout << "[WARNING] NCA Partition " << std::dec << index << " not readable.";
			if (partition.fail_reason.empty() == false)
			{
				std::cout << " (" << partition.fail_reason << ")";
			}
			std::cout << std::endl;
			continue;
		}

		try {
			if (partition.format_type == nn::hac::nca::FormatType::PartitionFs)
			{
				PfsProcess pfs;
				pfs.setInputFile(partition.reader);
				pfs.setCliOutputMode(mCliOutputMode);
				pfs.setListFs(mListFs);
				if (mHdr.getContentType() == nn::hac::nca::ContentType::Program)
				{
					pfs.setMountPointName(std::string(getContentTypeForMountStr(mHdr.getContentType())) + ":/" + nn::hac::ContentArchiveUtil::getProgramContentParititionIndexAsString((nn::hac::nca::ProgramContentPartitionIndex)index));
				}
				else
				{
					pfs.setMountPointName(std::string(getContentTypeForMountStr(mHdr.getContentType())) + ":/");
				}
				
				if (mPartitionPath[index].doExtract)
					pfs.setExtractPath(mPartitionPath[index].path);
				pfs.process();
			}
			else if (partition.format_type == nn::hac::nca::FormatType::RomFs)
			{
				RomfsProcess romfs;
				romfs.setInputFile(partition.reader);
				romfs.setCliOutputMode(mCliOutputMode);
				romfs.setListFs(mListFs);
				if (mHdr.getContentType() == nn::hac::nca::ContentType::Program)
				{
					romfs.setMountPointName(std::string(getContentTypeForMountStr(mHdr.getContentType())) + ":/" + nn::hac::ContentArchiveUtil::getProgramContentParititionIndexAsString((nn::hac::nca::ProgramContentPartitionIndex)index));
				}
				else
				{
					romfs.setMountPointName(std::string(getContentTypeForMountStr(mHdr.getContentType())) + ":/");
				}

				if (mPartitionPath[index].doExtract)
					romfs.setExtractPath(mPartitionPath[index].path);
				romfs.process();			
			}
		} catch (const tc::Exception& e) {
			std::cout <<  "[WARNING] NCA Partition " << std::dec << index << " not readable (" << e.error() << ")." << std::endl;
		}
	}
}

const char* nstool::NcaProcess::getContentTypeForMountStr(nn::hac::nca::ContentType cont_type) const
{
	const char* str = nullptr;

	switch (cont_type)
	{
		case (nn::hac::nca::ContentType::Program):
			str = "program";
			break;
		case (nn::hac::nca::ContentType::Meta):
			str = "meta";
			break;
		case (nn::hac::nca::ContentType::Control):
			str = "control";
			break;
		case (nn::hac::nca::ContentType::Manual):
			str = "manual";
			break;
		case (nn::hac::nca::ContentType::Data):
			str = "data";
			break;
		case (nn::hac::nca::ContentType::PublicData):
			str = "publicdata";
			break;
		default:
			str = "";
			break;
	}

	return str;
}