nstool/src/NcaProcess.h

111 lines
2.5 KiB
C++

#pragma once
#include "types.h"
#include "KeyBag.h"
#include <nn/hac/ContentArchiveHeader.h>
namespace nstool {
class NcaProcess
{
public:
NcaProcess();
void process();
// generic
void setInputFile(const std::shared_ptr<tc::io::IStream>& file);
void setKeyCfg(const KeyBag& keycfg);
void setCliOutputMode(CliOutputMode type);
void setVerifyMode(bool verify);
// nca specfic
void setPartition0ExtractPath(const tc::io::Path& path);
void setPartition1ExtractPath(const tc::io::Path& path);
void setPartition2ExtractPath(const tc::io::Path& path);
void setPartition3ExtractPath(const tc::io::Path& path);
void setListFs(bool list_fs);
private:
const std::string kModuleName = "NcaProcess";
const std::string kNpdmExefsPath = "main.npdm";
// user options
std::shared_ptr<tc::io::IStream> mFile;
KeyBag mKeyCfg;
CliOutputMode mCliOutputMode;
bool mVerify;
std::array<tc::Optional<tc::io::Path>, nn::hac::nca::kPartitionNum> mPartitionPath;
bool mListFs;
// data
nn::hac::sContentArchiveHeaderBlock mHdrBlock;
fnd::sha::sSha256Hash mHdrHash;
nn::hac::ContentArchiveHeader mHdr;
// crypto
struct sKeys
{
struct sKeyAreaKey
{
byte_t index;
bool decrypted;
KeyBag::aes128_key_t enc;
KeyBag::aes128_key_t dec;
void operator=(const sKeyAreaKey& other)
{
index = other.index;
decrypted = other.decrypted;
enc = other.enc;
dec = other.dec;
}
bool operator==(const sKeyAreaKey& other) const
{
return (index == other.index) \
&& (decrypted == other.decrypted) \
&& (enc == other.enc) \
&& (dec == other.dec);
}
bool operator!=(const sKeyAreaKey& other) const
{
return !(*this == other);
}
};
std::vector<sKeyAreaKey> kak_list;
tc::Optional<nn::hac::detail::aes128_key_t> aes_ctr;
} mContentKey;
struct sPartitionInfo
{
std::shared_ptr<tc::io::IStream> reader;
std::string fail_reason;
int64_t offset;
int64_t size;
// meta data
nn::hac::nca::FormatType format_type;
nn::hac::nca::HashType hash_type;
nn::hac::nca::EncryptionType enc_type;
//fnd::LayeredIntegrityMetadata layered_intergrity_metadata;
nn::hac::detail::aes_iv_t aes_ctr;
}
std::array<sPartitionInfo, nn::hac::nca::kPartitionNum> mPartitions;
void importHeader();
void generateNcaBodyEncryptionKeys();
void generatePartitionConfiguration();
void validateNcaSignatures();
void displayHeader();
void processPartitions();
const char* getContentTypeForMountStr(nn::hac::nca::ContentType cont_type) const;
};
}