mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-30 22:26:10 +00:00
281 lines
9.1 KiB
C++
281 lines
9.1 KiB
C++
/*
|
|
* Copyright (c) Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#pragma once
|
|
#include <vapours.hpp>
|
|
|
|
namespace ams::fssystem {
|
|
|
|
struct Hash {
|
|
static constexpr size_t Size = crypto::Sha256Generator::HashSize;
|
|
u8 value[Size];
|
|
};
|
|
static_assert(sizeof(Hash) == Hash::Size);
|
|
static_assert(util::is_pod<Hash>::value);
|
|
|
|
using NcaDigest = Hash;
|
|
|
|
struct NcaHeader {
|
|
enum class ContentType : u8 {
|
|
Program = 0,
|
|
Meta = 1,
|
|
Control = 2,
|
|
Manual = 3,
|
|
Data = 4,
|
|
PublicData = 5,
|
|
|
|
Start = Program,
|
|
End = PublicData,
|
|
};
|
|
|
|
enum class DistributionType : u8 {
|
|
Download = 0,
|
|
GameCard = 1,
|
|
|
|
Start = Download,
|
|
End = GameCard,
|
|
};
|
|
|
|
enum class EncryptionType : u8 {
|
|
Auto = 0,
|
|
None = 1,
|
|
};
|
|
|
|
enum DecryptionKey {
|
|
DecryptionKey_AesXts = 0,
|
|
DecryptionKey_AesXts1 = DecryptionKey_AesXts,
|
|
DecryptionKey_AesXts2 = 1,
|
|
DecryptionKey_AesCtr = 2,
|
|
DecryptionKey_AesCtrEx = 3,
|
|
DecryptionKey_AesCtrHw = 4,
|
|
DecryptionKey_Count,
|
|
};
|
|
|
|
struct FsInfo {
|
|
u32 start_sector;
|
|
u32 end_sector;
|
|
u32 hash_sectors;
|
|
u32 reserved;
|
|
};
|
|
static_assert(sizeof(FsInfo) == 0x10);
|
|
static_assert(util::is_pod<FsInfo>::value);
|
|
|
|
static constexpr u32 Magic0 = util::FourCC<'N','C','A','0'>::Code;
|
|
static constexpr u32 Magic1 = util::FourCC<'N','C','A','1'>::Code;
|
|
static constexpr u32 Magic2 = util::FourCC<'N','C','A','2'>::Code;
|
|
static constexpr u32 Magic3 = util::FourCC<'N','C','A','3'>::Code;
|
|
|
|
static constexpr u32 Magic = Magic3;
|
|
|
|
static constexpr size_t Size = 1_KB;
|
|
static constexpr s32 FsCountMax = 4;
|
|
static constexpr size_t HeaderSignCount = 2;
|
|
static constexpr size_t HeaderSignSize = 0x100;
|
|
static constexpr size_t EncryptedKeyAreaSize = 0x100;
|
|
static constexpr size_t SectorSize = 0x200;
|
|
static constexpr size_t SectorShift = 9;
|
|
static constexpr size_t RightsIdSize = 0x10;
|
|
static constexpr size_t XtsBlockSize = 0x200;
|
|
static constexpr size_t CtrBlockSize = 0x10;
|
|
|
|
static_assert(SectorSize == (1 << SectorShift));
|
|
|
|
/* Data members. */
|
|
u8 header_sign_1[HeaderSignSize];
|
|
u8 header_sign_2[HeaderSignSize];
|
|
u32 magic;
|
|
DistributionType distribution_type;
|
|
ContentType content_type;
|
|
u8 key_generation;
|
|
u8 key_index;
|
|
u64 content_size;
|
|
u64 program_id;
|
|
u32 content_index;
|
|
u32 sdk_addon_version;
|
|
u8 key_generation_2;
|
|
u8 header1_signature_key_generation;
|
|
u8 reserved_222[2];
|
|
u32 reserved_224[3];
|
|
u8 rights_id[RightsIdSize];
|
|
FsInfo fs_info[FsCountMax];
|
|
Hash fs_header_hash[FsCountMax];
|
|
u8 encrypted_key_area[EncryptedKeyAreaSize];
|
|
|
|
static constexpr u64 SectorToByte(u32 sector) {
|
|
return static_cast<u64>(sector) << SectorShift;
|
|
}
|
|
|
|
static constexpr u32 ByteToSector(u64 byte) {
|
|
return static_cast<u32>(byte >> SectorShift);
|
|
}
|
|
|
|
u8 GetProperKeyGeneration() const;
|
|
};
|
|
static_assert(sizeof(NcaHeader) == NcaHeader::Size);
|
|
static_assert(util::is_pod<NcaHeader>::value);
|
|
|
|
struct NcaBucketInfo {
|
|
static constexpr size_t HeaderSize = 0x10;
|
|
fs::Int64 offset;
|
|
fs::Int64 size;
|
|
u8 header[HeaderSize];
|
|
};
|
|
static_assert(util::is_pod<NcaBucketInfo>::value);
|
|
|
|
struct NcaPatchInfo {
|
|
static constexpr size_t Size = 0x40;
|
|
static constexpr size_t Offset = 0x100;
|
|
|
|
fs::Int64 indirect_offset;
|
|
fs::Int64 indirect_size;
|
|
u8 indirect_header[NcaBucketInfo::HeaderSize];
|
|
fs::Int64 aes_ctr_ex_offset;
|
|
fs::Int64 aes_ctr_ex_size;
|
|
u8 aes_ctr_ex_header[NcaBucketInfo::HeaderSize];
|
|
|
|
bool HasIndirectTable() const;
|
|
bool HasAesCtrExTable() const;
|
|
};
|
|
static_assert(util::is_pod<NcaPatchInfo>::value);
|
|
|
|
union NcaAesCtrUpperIv {
|
|
u64 value;
|
|
struct {
|
|
u32 generation;
|
|
u32 secure_value;
|
|
} part;
|
|
};
|
|
static_assert(util::is_pod<NcaAesCtrUpperIv>::value);
|
|
|
|
struct NcaSparseInfo {
|
|
NcaBucketInfo bucket;
|
|
fs::Int64 physical_offset;
|
|
u16 generation;
|
|
u8 reserved[6];
|
|
|
|
s64 GetPhysicalSize() const {
|
|
return this->bucket.offset + this->bucket.size;
|
|
}
|
|
|
|
u32 GetGeneration() const {
|
|
return static_cast<u32>(this->generation) << 16;
|
|
}
|
|
|
|
const NcaAesCtrUpperIv MakeAesCtrUpperIv(NcaAesCtrUpperIv upper_iv) const {
|
|
NcaAesCtrUpperIv sparse_upper_iv = upper_iv;
|
|
sparse_upper_iv.part.generation = this->GetGeneration();
|
|
return sparse_upper_iv;
|
|
}
|
|
};
|
|
static_assert(util::is_pod<NcaSparseInfo>::value);
|
|
|
|
struct NcaCompressionInfo {
|
|
NcaBucketInfo bucket;
|
|
};
|
|
static_assert(util::is_pod<NcaCompressionInfo>::value);
|
|
|
|
struct NcaFsHeader {
|
|
static constexpr size_t Size = 0x200;
|
|
static constexpr size_t HashDataOffset = 0x8;
|
|
|
|
struct Region {
|
|
fs::Int64 offset;
|
|
fs::Int64 size;
|
|
};
|
|
static_assert(util::is_pod<Region>::value);
|
|
|
|
enum class FsType : u8 {
|
|
RomFs = 0,
|
|
PartitionFs = 1,
|
|
};
|
|
|
|
enum class EncryptionType : u8 {
|
|
Auto = 0,
|
|
None = 1,
|
|
AesXts = 2,
|
|
AesCtr = 3,
|
|
AesCtrEx = 4,
|
|
};
|
|
|
|
enum class HashType : u8 {
|
|
Auto = 0,
|
|
None = 1,
|
|
HierarchicalSha256Hash = 2,
|
|
HierarchicalIntegrityHash = 3,
|
|
};
|
|
|
|
union HashData {
|
|
struct HierarchicalSha256Data {
|
|
static constexpr size_t HashLayerCountMax = 5;
|
|
static const size_t MasterHashOffset;
|
|
|
|
Hash fs_data_master_hash;
|
|
s32 hash_block_size;
|
|
s32 hash_layer_count;
|
|
Region hash_layer_region[HashLayerCountMax];
|
|
} hierarchical_sha256_data;
|
|
static_assert(util::is_pod<HierarchicalSha256Data>::value);
|
|
|
|
struct IntegrityMetaInfo {
|
|
static const size_t MasterHashOffset;
|
|
|
|
u32 magic;
|
|
u32 version;
|
|
u32 master_hash_size;
|
|
|
|
struct LevelHashInfo {
|
|
u32 max_layers;
|
|
|
|
struct HierarchicalIntegrityVerificationLevelInformation {
|
|
static constexpr size_t IntegrityMaxLayerCount = 7;
|
|
fs::Int64 offset;
|
|
fs::Int64 size;
|
|
s32 block_order;
|
|
u8 reserved[4];
|
|
} info[HierarchicalIntegrityVerificationLevelInformation::IntegrityMaxLayerCount - 1];
|
|
|
|
struct SignatureSalt {
|
|
static constexpr size_t Size = 0x20;
|
|
u8 value[Size];
|
|
} seed;
|
|
} level_hash_info;
|
|
|
|
Hash master_hash;
|
|
} integrity_meta_info;
|
|
static_assert(util::is_pod<IntegrityMetaInfo>::value);
|
|
|
|
u8 padding[NcaPatchInfo::Offset - HashDataOffset];
|
|
};
|
|
|
|
u16 version;
|
|
FsType fs_type;
|
|
HashType hash_type;
|
|
EncryptionType encryption_type;
|
|
u8 reserved[3];
|
|
HashData hash_data;
|
|
NcaPatchInfo patch_info;
|
|
NcaAesCtrUpperIv aes_ctr_upper_iv;
|
|
NcaSparseInfo sparse_info;
|
|
NcaCompressionInfo compression_info;
|
|
u8 pad[0x68];
|
|
};
|
|
static_assert(sizeof(NcaFsHeader) == NcaFsHeader::Size);
|
|
static_assert(util::is_pod<NcaFsHeader>::value);
|
|
static_assert(AMS_OFFSETOF(NcaFsHeader, patch_info) == NcaPatchInfo::Offset);
|
|
|
|
inline constexpr const size_t NcaFsHeader::HashData::HierarchicalSha256Data::MasterHashOffset = AMS_OFFSETOF(NcaFsHeader, hash_data.hierarchical_sha256_data.fs_data_master_hash);
|
|
inline constexpr const size_t NcaFsHeader::HashData::IntegrityMetaInfo::MasterHashOffset = AMS_OFFSETOF(NcaFsHeader, hash_data.integrity_meta_info.master_hash);
|
|
|
|
}
|