71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <vector>
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#include "common/common_types.h"
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#include "common/swap.h"
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#include "core/crypto/key_manager.h"
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#include "core/file_sys/content_archive.h"
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#include "core/file_sys/vfs.h"
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#include "core/loader/loader.h"
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namespace FileSys {
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struct NAXHeader {
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std::array<u8, 0x20> hmac;
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u64_le magic;
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std::array<Core::Crypto::Key128, 2> key_area;
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u64_le file_size;
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INSERT_PADDING_BYTES(0x30);
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};
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static_assert(sizeof(NAXHeader) == 0x80, "NAXHeader has incorrect size.");
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enum class NAXContentType : u8 {
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Save = 0,
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NCA = 1,
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};
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class NAX : public ReadOnlyVfsDirectory {
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public:
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explicit NAX(VirtualFile file);
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explicit NAX(VirtualFile file, std::array<u8, 0x10> nca_id);
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~NAX() override;
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Loader::ResultStatus GetStatus() const;
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VirtualFile GetDecrypted() const;
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std::unique_ptr<NCA> AsNCA() const;
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NAXContentType GetContentType() const;
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std::vector<std::shared_ptr<VfsFile>> GetFiles() const override;
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std::vector<std::shared_ptr<VfsDirectory>> GetSubdirectories() const override;
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std::string GetName() const override;
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std::shared_ptr<VfsDirectory> GetParentDirectory() const override;
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protected:
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bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
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private:
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Loader::ResultStatus Parse(std::string_view path);
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std::unique_ptr<NAXHeader> header;
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VirtualFile file;
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Loader::ResultStatus status;
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NAXContentType type{};
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VirtualFile dec_file;
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Core::Crypto::KeyManager keys;
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};
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} // namespace FileSys
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