mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-22 12:21:18 +00:00
fs: update HashGeneratorFactorySelector to reflect 14.0.0
This commit is contained in:
parent
64c6ef2de7
commit
20e53fcd82
8 changed files with 140 additions and 101 deletions
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@ -49,6 +49,6 @@
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#include <stratosphere/fssystem/fssystem_buffered_storage.hpp>
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#include <stratosphere/fssystem/fssystem_hierarchical_integrity_verification_storage.hpp>
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#include <stratosphere/fssystem/fssystem_integrity_romfs_storage.hpp>
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#include <stratosphere/fssystem/fssystem_sha256_hash_generator.hpp>
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#include <stratosphere/fssystem/fssystem_sha_hash_generator.hpp>
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#include <stratosphere/fssystem/fssystem_local_file_system.hpp>
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#include <stratosphere/fssystem/fssystem_file_system_proxy_api.hpp>
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@ -18,7 +18,12 @@
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namespace ams::fssystem {
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/* ACCURATE_TO_VERSION: 13.4.0.0 */
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enum HashAlgorithmType : u8 {
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HashAlgorithmType_Sha2 = 0,
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HashAlgorithmType_Sha3 = 1,
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};
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/* ACCURATE_TO_VERSION: 14.3.0.0 */
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class IHash256Generator {
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public:
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static constexpr size_t HashSize = 256 / BITSIZEOF(u8);
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@ -49,7 +54,7 @@ namespace ams::fssystem {
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virtual void DoGetHash(void *dst, size_t dst_size) = 0;
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};
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/* ACCURATE_TO_VERSION: 13.4.0.0 */
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/* ACCURATE_TO_VERSION: 14.3.0.0 */
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class IHash256GeneratorFactory {
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public:
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constexpr IHash256GeneratorFactory() = default;
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@ -78,9 +83,9 @@ namespace ams::fssystem {
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constexpr IHash256GeneratorFactorySelector() = default;
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virtual constexpr ~IHash256GeneratorFactorySelector() { /* ... */ }
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IHash256GeneratorFactory *GetFactory() { return this->DoGetFactory(); }
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IHash256GeneratorFactory *GetFactory(HashAlgorithmType alg) { return this->DoGetFactory(alg); }
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protected:
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virtual IHash256GeneratorFactory *DoGetFactory() = 0;
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virtual IHash256GeneratorFactory *DoGetFactory(HashAlgorithmType alg) = 0;
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};
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}
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@ -111,7 +111,7 @@ namespace ams::fssystem {
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NcaHeader::EncryptionType m_header_encryption_type;
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bool m_is_header_sign1_signature_valid;
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GetDecompressorFunction m_get_decompressor;
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IHash256GeneratorFactory *m_hash_generator_factory;
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IHash256GeneratorFactorySelector *m_hash_generator_factory_selector;
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public:
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NcaReader();
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~NcaReader();
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@ -154,7 +154,7 @@ namespace ams::fssystem {
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Result ReadHeader(NcaFsHeader *dst, s32 index) const;
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GetDecompressorFunction GetDecompressor() const;
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IHash256GeneratorFactory *GetHashGeneratorFactory() const;
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IHash256GeneratorFactorySelector *GetHashGeneratorFactorySelector() const;
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bool GetHeaderSign1Valid() const;
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@ -288,9 +288,9 @@ namespace ams::fssystem {
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Result CreateIndirectStorageMetaStorage(std::shared_ptr<fs::IStorage> *out, std::shared_ptr<fs::IStorage> base_storage, const NcaPatchInfo &patch_info);
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Result CreateIndirectStorage(std::shared_ptr<fs::IStorage> *out, std::shared_ptr<fssystem::IndirectStorage> *out_ind, std::shared_ptr<fs::IStorage> base_storage, std::shared_ptr<fs::IStorage> original_data_storage, std::shared_ptr<fs::IStorage> meta_storage, const NcaPatchInfo &patch_info);
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Result CreateSha256Storage(std::shared_ptr<fs::IStorage> *out, std::shared_ptr<fs::IStorage> base_storage, const NcaFsHeader::HashData::HierarchicalSha256Data &sha256_data);
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Result CreateSha256Storage(std::shared_ptr<fs::IStorage> *out, std::shared_ptr<fs::IStorage> base_storage, const NcaFsHeader::HashData::HierarchicalSha256Data &sha256_data, IHash256GeneratorFactory *hgf);
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Result CreateIntegrityVerificationStorage(std::shared_ptr<fs::IStorage> *out, std::shared_ptr<fs::IStorage> base_storage, const NcaFsHeader::HashData::IntegrityMetaInfo &meta_info);
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Result CreateIntegrityVerificationStorage(std::shared_ptr<fs::IStorage> *out, std::shared_ptr<fs::IStorage> base_storage, const NcaFsHeader::HashData::IntegrityMetaInfo &meta_info, IHash256GeneratorFactory *hgf);
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Result CreateCompressedStorage(std::shared_ptr<fs::IStorage> *out, std::shared_ptr<fssystem::CompressedStorage> *out_cmp, std::shared_ptr<fs::IStorage> *out_meta, std::shared_ptr<fs::IStorage> base_storage, const NcaCompressionInfo &compression_info);
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public:
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@ -1,73 +0,0 @@
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/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <vapours.hpp>
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#include <stratosphere/fssystem/fssystem_i_hash_256_generator.hpp>
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namespace ams::fssystem {
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/* ACCURATE_TO_VERSION: 13.4.0.0 */
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class Sha256HashGenerator final : public ::ams::fssystem::IHash256Generator, public ::ams::fs::impl::Newable {
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NON_COPYABLE(Sha256HashGenerator);
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NON_MOVEABLE(Sha256HashGenerator);
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private:
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crypto::Sha256Generator m_generator;
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public:
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Sha256HashGenerator() = default;
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protected:
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virtual void DoInitialize() override {
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m_generator.Initialize();
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}
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virtual void DoUpdate(const void *data, size_t size) override {
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m_generator.Update(data, size);
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}
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virtual void DoGetHash(void *dst, size_t dst_size) override {
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m_generator.GetHash(dst, dst_size);
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}
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};
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class Sha256HashGeneratorFactory final : public IHash256GeneratorFactory, public ::ams::fs::impl::Newable {
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NON_COPYABLE(Sha256HashGeneratorFactory);
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NON_MOVEABLE(Sha256HashGeneratorFactory);
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public:
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Sha256HashGeneratorFactory() = default;
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protected:
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virtual std::unique_ptr<IHash256Generator> DoCreate() override {
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return std::unique_ptr<IHash256Generator>(new Sha256HashGenerator());
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}
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virtual void DoGenerateHash(void *dst, size_t dst_size, const void *src, size_t src_size) override {
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crypto::GenerateSha256(dst, dst_size, src, src_size);
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}
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};
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class Sha256HashGeneratorFactorySelector final : public IHash256GeneratorFactorySelector, public ::ams::fs::impl::Newable {
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NON_COPYABLE(Sha256HashGeneratorFactorySelector);
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NON_MOVEABLE(Sha256HashGeneratorFactorySelector);
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private:
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Sha256HashGeneratorFactory m_factory;
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public:
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Sha256HashGeneratorFactorySelector() = default;
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protected:
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virtual IHash256GeneratorFactory *DoGetFactory() override {
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return std::addressof(m_factory);
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}
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};
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}
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@ -0,0 +1,107 @@
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/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <vapours.hpp>
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#include <stratosphere/fssystem/fssystem_i_hash_256_generator.hpp>
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namespace ams::fssystem {
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/* ACCURATE_TO_VERSION: 14.3.0.0 */
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namespace impl {
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template<typename Traits>
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class ShaHashGenerator final : public ::ams::fssystem::IHash256Generator, public ::ams::fs::impl::Newable {
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static_assert(Traits::Generator::HashSize == IHash256Generator::HashSize);
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NON_COPYABLE(ShaHashGenerator);
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NON_MOVEABLE(ShaHashGenerator);
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private:
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Traits::Generator m_generator;
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public:
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ShaHashGenerator() = default;
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protected:
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virtual void DoInitialize() override {
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m_generator.Initialize();
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}
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virtual void DoUpdate(const void *data, size_t size) override {
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m_generator.Update(data, size);
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}
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virtual void DoGetHash(void *dst, size_t dst_size) override {
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m_generator.GetHash(dst, dst_size);
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}
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};
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template<typename Traits>
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class ShaHashGeneratorFactory final : public IHash256GeneratorFactory, public ::ams::fs::impl::Newable {
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static_assert(Traits::Generator::HashSize == IHash256Generator::HashSize);
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NON_COPYABLE(ShaHashGeneratorFactory);
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NON_MOVEABLE(ShaHashGeneratorFactory);
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public:
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constexpr ShaHashGeneratorFactory() = default;
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protected:
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virtual std::unique_ptr<IHash256Generator> DoCreate() override {
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return std::unique_ptr<IHash256Generator>(new ShaHashGenerator<Traits>());
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}
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virtual void DoGenerateHash(void *dst, size_t dst_size, const void *src, size_t src_size) override {
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Traits::Generate(dst, dst_size, src, src_size);
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}
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};
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struct Sha256Traits {
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using Generator = crypto::Sha256Generator;
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static ALWAYS_INLINE void Generate(void *dst, size_t dst_size, const void *src, size_t src_size) {
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return crypto::GenerateSha256(dst, dst_size, src, src_size);
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}
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};
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struct Sha3256Traits {
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using Generator = crypto::Sha3256Generator;
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static ALWAYS_INLINE void Generate(void *dst, size_t dst_size, const void *src, size_t src_size) {
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return crypto::GenerateSha3256(dst, dst_size, src, src_size);
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}
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};
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}
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using Sha256HashGenerator = impl::ShaHashGenerator<impl::Sha256Traits>;
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using Sha256HashGeneratorFactory = impl::ShaHashGeneratorFactory<impl::Sha256Traits>;
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using Sha3256HashGenerator = impl::ShaHashGenerator<impl::Sha3256Traits>;
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using Sha3256HashGeneratorFactory = impl::ShaHashGeneratorFactory<impl::Sha3256Traits>;
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class ShaHashGeneratorFactorySelector final : public IHash256GeneratorFactorySelector, public ::ams::fs::impl::Newable {
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NON_COPYABLE(ShaHashGeneratorFactorySelector);
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NON_MOVEABLE(ShaHashGeneratorFactorySelector);
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private:
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Sha256HashGeneratorFactory m_sha256_factory;
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Sha3256HashGeneratorFactory m_sha3_256_factory;
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public:
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constexpr ShaHashGeneratorFactorySelector() = default;
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protected:
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virtual IHash256GeneratorFactory *DoGetFactory(HashAlgorithmType alg) override {
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switch (alg) {
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case HashAlgorithmType_Sha2: return std::addressof(m_sha256_factory);
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case HashAlgorithmType_Sha3: return std::addressof(m_sha3_256_factory);
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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};
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}
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@ -19,16 +19,16 @@ namespace ams::fs::impl {
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namespace {
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constinit fssystem::Sha256HashGeneratorFactorySelector g_sha256_hash_generator_factory_selector;
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constinit fssystem::ShaHashGeneratorFactorySelector g_sha_hash_generator_factory_selector;
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}
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fssystem::IHash256GeneratorFactorySelector *GetNcaHashGeneratorFactorySelector() {
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return std::addressof(g_sha256_hash_generator_factory_selector);
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return std::addressof(g_sha_hash_generator_factory_selector);
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}
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fssystem::IHash256GeneratorFactorySelector *GetSaveDataHashGeneratorFactorySelector() {
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return std::addressof(g_sha256_hash_generator_factory_selector);
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return std::addressof(g_sha_hash_generator_factory_selector);
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}
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}
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@ -450,10 +450,10 @@ namespace ams::fssystem {
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/* Process hash/integrity layer. */
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switch (header_reader->GetHashType()) {
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case NcaFsHeader::HashType::HierarchicalSha256Hash:
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R_TRY(this->CreateSha256Storage(std::addressof(storage), std::move(storage), header_reader->GetHashData().hierarchical_sha256_data));
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R_TRY(this->CreateSha256Storage(std::addressof(storage), std::move(storage), header_reader->GetHashData().hierarchical_sha256_data, m_hash_generator_factory_selector->GetFactory(fssystem::HashAlgorithmType_Sha2)));
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break;
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case NcaFsHeader::HashType::HierarchicalIntegrityHash:
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R_TRY(this->CreateIntegrityVerificationStorage(std::addressof(storage), std::move(storage), header_reader->GetHashData().integrity_meta_info));
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R_TRY(this->CreateIntegrityVerificationStorage(std::addressof(storage), std::move(storage), header_reader->GetHashData().integrity_meta_info, m_hash_generator_factory_selector->GetFactory(fssystem::HashAlgorithmType_Sha2)));
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break;
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default:
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return fs::ResultInvalidNcaFsHeaderHashType();
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@ -988,7 +988,7 @@ namespace ams::fssystem {
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return ResultSuccess();
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}
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Result NcaFileSystemDriver::CreateSha256Storage(std::shared_ptr<fs::IStorage> *out, std::shared_ptr<fs::IStorage> base_storage, const NcaFsHeader::HashData::HierarchicalSha256Data &hash_data) {
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Result NcaFileSystemDriver::CreateSha256Storage(std::shared_ptr<fs::IStorage> *out, std::shared_ptr<fs::IStorage> base_storage, const NcaFsHeader::HashData::HierarchicalSha256Data &hash_data, IHash256GeneratorFactory *hgf) {
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/* Validate preconditions. */
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AMS_ASSERT(out != nullptr);
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AMS_ASSERT(base_storage != nullptr);
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@ -1040,7 +1040,7 @@ namespace ams::fssystem {
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};
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/* Initialize the verification storage. */
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R_TRY(verification_storage->Initialize(layer_storages, util::size(layer_storages), hash_data.hash_block_size, buffer_hold_storage->GetBuffer(), hash_buffer_size, m_hash_generator_factory_selector->GetFactory()));
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R_TRY(verification_storage->Initialize(layer_storages, util::size(layer_storages), hash_data.hash_block_size, buffer_hold_storage->GetBuffer(), hash_buffer_size, hgf));
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/* Make the cache storage. */
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auto cache_storage = fssystem::AllocateShared<CacheStorage>(std::move(verification_storage), hash_data.hash_block_size, static_cast<char *>(buffer_hold_storage->GetBuffer()) + hash_buffer_size, cache_buffer_size, CacheBlockCount);
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return ResultSuccess();
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}
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Result NcaFileSystemDriver::CreateIntegrityVerificationStorage(std::shared_ptr<fs::IStorage> *out, std::shared_ptr<fs::IStorage> base_storage, const NcaFsHeader::HashData::IntegrityMetaInfo &meta_info) {
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Result NcaFileSystemDriver::CreateIntegrityVerificationStorage(std::shared_ptr<fs::IStorage> *out, std::shared_ptr<fs::IStorage> base_storage, const NcaFsHeader::HashData::IntegrityMetaInfo &meta_info, IHash256GeneratorFactory *hgf) {
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/* Validate preconditions. */
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AMS_ASSERT(out != nullptr);
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AMS_ASSERT(base_storage != nullptr);
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R_UNLESS(integrity_storage != nullptr, fs::ResultAllocationMemoryFailedAllocateShared());
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/* Initialize the integrity storage. */
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R_TRY(integrity_storage->Initialize(level_hash_info, meta_info.master_hash, storage_info, m_buffer_manager, m_hash_generator_factory_selector->GetFactory()));
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R_TRY(integrity_storage->Initialize(level_hash_info, meta_info.master_hash, storage_info, m_buffer_manager, hgf));
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/* Set the output. */
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*out = std::move(integrity_storage);
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}
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NcaReader::NcaReader() : m_body_storage(), m_header_storage(), m_decrypt_aes_ctr(), m_decrypt_aes_ctr_external(), m_is_software_aes_prioritized(false), m_header_encryption_type(NcaHeader::EncryptionType::Auto), m_get_decompressor(), m_hash_generator_factory() {
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NcaReader::NcaReader() : m_body_storage(), m_header_storage(), m_decrypt_aes_ctr(), m_decrypt_aes_ctr_external(), m_is_software_aes_prioritized(false), m_header_encryption_type(NcaHeader::EncryptionType::Auto), m_get_decompressor(), m_hash_generator_factory_selector() {
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std::memset(std::addressof(m_header), 0, sizeof(m_header));
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std::memset(std::addressof(m_decryption_keys), 0, sizeof(m_decryption_keys));
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std::memset(std::addressof(m_external_decryption_key), 0, sizeof(m_external_decryption_key));
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@ -118,6 +118,9 @@ namespace ams::fssystem {
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/* Validate the key index. */
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R_UNLESS(m_header.key_index < NcaCryptoConfiguration::KeyAreaEncryptionKeyIndexCount, fs::ResultInvalidNcaKeyIndex());
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/* Set our hash generator factory selector. */
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m_hash_generator_factory_selector = hgf_selector;
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/* Check if we have a rights id. */
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constexpr const u8 ZeroRightsId[NcaHeader::RightsIdSize] = {};
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if (crypto::IsSameBytes(ZeroRightsId, m_header.rights_id, NcaHeader::RightsIdSize)) {
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@ -145,10 +148,6 @@ namespace ams::fssystem {
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/* Set our decompressor function getter. */
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m_get_decompressor = compression_cfg.get_decompressor;
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/* Set our hash generator factory. */
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m_hash_generator_factory = hgf_selector->GetFactory();
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AMS_ASSERT(m_hash_generator_factory != nullptr);
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/* Set our storages. */
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m_header_storage = std::move(work_header_storage);
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m_body_storage = std::move(base_storage);
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@ -351,9 +350,9 @@ namespace ams::fssystem {
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return m_get_decompressor;
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}
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IHash256GeneratorFactory *NcaReader::GetHashGeneratorFactory() const {
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AMS_ASSERT(m_hash_generator_factory != nullptr);
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return m_hash_generator_factory;
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IHash256GeneratorFactorySelector *NcaReader::GetHashGeneratorFactorySelector() const {
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AMS_ASSERT(m_hash_generator_factory_selector != nullptr);
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return m_hash_generator_factory_selector;
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}
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NcaHeader::EncryptionType NcaReader::GetEncryptionType() const {
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@ -384,11 +383,12 @@ namespace ams::fssystem {
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}
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void NcaReader::GetHeaderSign2TargetHash(void *dst, size_t size) const {
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AMS_ASSERT(m_hash_generator_factory != nullptr);
|
||||
AMS_ASSERT(m_hash_generator_factory_selector!= nullptr);
|
||||
AMS_ASSERT(dst != nullptr);
|
||||
AMS_ASSERT(size == IHash256Generator::HashSize);
|
||||
|
||||
return m_hash_generator_factory->GenerateHash(dst, size, static_cast<const void *>(std::addressof(m_header.magic)), NcaHeader::Size - NcaHeader::HeaderSignSize * NcaHeader::HeaderSignCount);
|
||||
auto * const factory = m_hash_generator_factory_selector->GetFactory(fssystem::HashAlgorithmType_Sha2);
|
||||
return factory->GenerateHash(dst, size, static_cast<const void *>(std::addressof(m_header.magic)), NcaHeader::Size - NcaHeader::HeaderSignSize * NcaHeader::HeaderSignCount);
|
||||
}
|
||||
|
||||
Result NcaFsHeaderReader::Initialize(const NcaReader &reader, s32 index) {
|
||||
|
|
Loading…
Reference in a new issue