mirror of
https://github.com/Dark98/threeSD.git
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Move EncryptionType to NCCHContainer
This commit is contained in:
Pengfei
File diff suppressed because it is too large
Load Diff
+330
-320
@@ -1,320 +1,330 @@
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// Copyright 2017 Citra Emulator Project / 2019 threeSD Project
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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 <cstddef>
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#include <memory>
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#include <string>
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#include <vector>
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#include "common/bit_field.h"
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#include "common/common_types.h"
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#include "common/file_util.h"
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#include "common/progress_callback.h"
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#include "common/swap.h"
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#include "core/sdmc_decryptor.h"
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namespace Core {
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// NCCH (Nintendo Content Container Header) header
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struct NCCH_Header {
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u8 signature[0x100];
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u32_le magic;
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u32_le content_size;
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u8 partition_id[8];
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u16_le maker_code;
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u16_le version;
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u8 reserved_0[4];
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u64_le program_id;
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u8 reserved_1[0x10];
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u8 logo_region_hash[0x20];
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u8 product_code[0x10];
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u8 extended_header_hash[0x20];
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u32_le extended_header_size;
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u8 reserved_2[4];
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u8 reserved_flag[3];
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u8 secondary_key_slot;
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u8 platform;
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enum class ContentType : u8 {
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Application = 0,
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SystemUpdate = 1,
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Manual = 2,
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Child = 3,
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Trial = 4,
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};
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union {
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BitField<0, 1, u8> is_data;
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BitField<1, 1, u8> is_executable;
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BitField<2, 3, ContentType> content_type;
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};
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u8 content_unit_size;
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union {
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BitField<0, 1, u8> fixed_key;
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BitField<1, 1, u8> no_romfs;
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BitField<2, 1, u8> no_crypto;
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BitField<5, 1, u8> seed_crypto;
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u8 raw_crypto_flags;
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};
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u32_le plain_region_offset;
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u32_le plain_region_size;
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u32_le logo_region_offset;
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u32_le logo_region_size;
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u32_le exefs_offset;
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u32_le exefs_size;
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u32_le exefs_hash_region_size;
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u8 reserved_3[4];
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u32_le romfs_offset;
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u32_le romfs_size;
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u32_le romfs_hash_region_size;
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u8 reserved_4[4];
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u8 exefs_super_block_hash[0x20];
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u8 romfs_super_block_hash[0x20];
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};
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static_assert(sizeof(NCCH_Header) == 0x200, "NCCH header structure size is wrong");
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// ExeFS (executable file system) headers
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struct ExeFs_SectionHeader {
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char name[8];
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u32 offset;
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u32 size;
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};
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struct ExeFs_Header {
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ExeFs_SectionHeader section[8];
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u8 reserved[0x80];
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u8 hashes[8][0x20];
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// ExHeader (executable file system header) headers
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struct ExHeader_SystemInfoFlags {
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u8 reserved[5];
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u8 flag;
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u8 remaster_version[2];
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};
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struct ExHeader_CodeSegmentInfo {
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u32 address;
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u32 num_max_pages;
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u32 code_size;
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};
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struct ExHeader_CodeSetInfo {
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u8 name[8];
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ExHeader_SystemInfoFlags flags;
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ExHeader_CodeSegmentInfo text;
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u32 stack_size;
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ExHeader_CodeSegmentInfo ro;
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u8 reserved[4];
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ExHeader_CodeSegmentInfo data;
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u32 bss_size;
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};
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struct ExHeader_DependencyList {
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u8 program_id[0x30][8];
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};
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struct ExHeader_SystemInfo {
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u64 save_data_size;
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u64_le jump_id;
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u8 reserved_2[0x30];
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};
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struct ExHeader_StorageInfo {
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union {
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u64_le ext_save_data_id;
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// When using extended savedata access
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// Prefer the ID specified in the most significant bits
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BitField<40, 20, u64> extdata_id3;
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BitField<20, 20, u64> extdata_id4;
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BitField<0, 20, u64> extdata_id5;
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};
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u8 system_save_data_id[8];
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union {
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u64_le storage_accessible_unique_ids;
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// When using extended savedata access
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// Prefer the ID specified in the most significant bits
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BitField<40, 20, u64> extdata_id0;
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BitField<20, 20, u64> extdata_id1;
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BitField<0, 20, u64> extdata_id2;
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};
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u8 access_info[7];
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u8 other_attributes;
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};
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struct ExHeader_ARM11_SystemLocalCaps {
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u64_le program_id;
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u32_le core_version;
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u8 reserved_flags[2];
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union {
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u8 flags0;
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BitField<0, 2, u8> ideal_processor;
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BitField<2, 2, u8> affinity_mask;
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BitField<4, 4, u8> system_mode;
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};
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u8 priority;
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u8 resource_limit_descriptor[0x10][2];
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ExHeader_StorageInfo storage_info;
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u8 service_access_control[0x20][8];
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u8 ex_service_access_control[0x2][8];
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u8 reserved[0xf];
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u8 resource_limit_category;
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};
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struct ExHeader_ARM11_KernelCaps {
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u32_le descriptors[28];
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u8 reserved[0x10];
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};
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struct ExHeader_ARM9_AccessControl {
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u8 descriptors[15];
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u8 descversion;
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};
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struct ExHeader_Header {
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ExHeader_CodeSetInfo codeset_info;
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ExHeader_DependencyList dependency_list;
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ExHeader_SystemInfo system_info;
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ExHeader_ARM11_SystemLocalCaps arm11_system_local_caps;
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ExHeader_ARM11_KernelCaps arm11_kernel_caps;
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ExHeader_ARM9_AccessControl arm9_access_control;
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struct {
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u8 signature[0x100];
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u8 ncch_public_key_modulus[0x100];
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ExHeader_ARM11_SystemLocalCaps arm11_system_local_caps;
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ExHeader_ARM11_KernelCaps arm11_kernel_caps;
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ExHeader_ARM9_AccessControl arm9_access_control;
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} access_desc;
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};
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static_assert(sizeof(ExHeader_Header) == 0x800, "ExHeader structure size is wrong");
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enum class EncryptionType;
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/**
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* Helper which implements an interface to deal with NCCH containers which can
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* contain ExeFS archives or RomFS archives for games or other applications.
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*
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* Note that this is heavily stripped down and can only read (primary-key
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* encrypted non-code sections of) ExeFS and ExHeader by design.
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*/
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class NCCHContainer {
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public:
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NCCHContainer(std::shared_ptr<FileUtil::IOFile> file);
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NCCHContainer() {}
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bool OpenFile(std::shared_ptr<FileUtil::IOFile> file);
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/**
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* Ensure ExeFS and exheader is loaded and ready for reading sections
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*/
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bool Load();
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/**
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* Reads an application ExeFS section of an NCCH file (non-compressed, primary key only)
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* @param name Name of section to read out of NCCH file
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* @param buffer Vector to read data into
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*/
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bool LoadSectionExeFS(const char* name, std::vector<u8>& buffer);
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/**
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* Get the Program ID of the NCCH container
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*/
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bool ReadProgramId(u64_le& program_id);
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/**
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* Get the Extdata ID of the NCCH container
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*/
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bool ReadExtdataId(u64& extdata_id);
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/**
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* Checks whether the NCCH container contains an ExeFS
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* @return bool check result
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*/
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bool HasExeFS();
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/**
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* Checks whether the NCCH container contains an ExHeader
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* @return bool check result
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*/
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bool HasExHeader();
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/**
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* Reads the name of the codeset.
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*/
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bool ReadCodesetName(std::string& name);
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/**
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* Reads the product code.
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*/
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bool ReadProductCode(std::string& name);
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/**
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* Gets encryption type (which key is used).
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*/
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bool ReadEncryptionType(EncryptionType& encryption);
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/**
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* Gets whether seed crypto is used.
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*/
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bool ReadSeedCrypto(bool& used);
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/**
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* Decrypts this NCCH and write to the destination file.
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*/
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bool DecryptToFile(
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std::shared_ptr<FileUtil::IOFile> dest_file,
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const Common::ProgressCallback& callback = [](u64, u64) {});
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/**
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* Aborts DecryptToFile. Simply aborts the decryptor.
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*/
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void AbortDecryptToFile();
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NCCH_Header ncch_header;
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ExHeader_Header exheader_header;
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ExeFs_Header exefs_header;
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private:
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bool has_exheader = false;
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bool has_exefs = false;
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bool has_romfs = false;
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bool is_loaded = false;
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bool is_encrypted = false;
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// for decrypting exheader, exefs header and icon/banner section
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std::array<u8, 16> primary_key{};
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std::array<u8, 16> secondary_key{}; // for decrypting romfs and .code section
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std::array<u8, 16> exheader_ctr{};
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std::array<u8, 16> exefs_ctr{};
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std::array<u8, 16> romfs_ctr{};
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u32 exefs_offset = 0;
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std::string root_folder;
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std::string filepath;
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std::shared_ptr<FileUtil::IOFile> file;
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std::shared_ptr<FileUtil::IOFile> exefs_file;
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// Used for DecryptToFile
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FileDecryptor decryptor;
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std::atomic_bool aborted{false};
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friend class CIABuilder;
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};
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/**
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* Extracts the shared RomFS from a NCCH image.
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* Used for handling system archives.
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*/
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std::vector<u8> LoadSharedRomFS(const std::vector<u8>& data);
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} // namespace Core
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// Copyright 2017 Citra Emulator Project / 2019 threeSD Project
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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 <cstddef>
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#include <memory>
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#include <string>
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#include <vector>
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#include "common/bit_field.h"
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#include "common/common_types.h"
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#include "common/file_util.h"
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#include "common/progress_callback.h"
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#include "common/swap.h"
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#include "core/sdmc_decryptor.h"
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namespace Core {
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// NCCH (Nintendo Content Container Header) header
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struct NCCH_Header {
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u8 signature[0x100];
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u32_le magic;
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u32_le content_size;
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u8 partition_id[8];
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u16_le maker_code;
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u16_le version;
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u8 reserved_0[4];
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u64_le program_id;
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u8 reserved_1[0x10];
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u8 logo_region_hash[0x20];
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u8 product_code[0x10];
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u8 extended_header_hash[0x20];
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u32_le extended_header_size;
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u8 reserved_2[4];
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u8 reserved_flag[3];
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u8 secondary_key_slot;
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u8 platform;
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enum class ContentType : u8 {
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Application = 0,
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SystemUpdate = 1,
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Manual = 2,
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Child = 3,
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Trial = 4,
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};
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union {
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BitField<0, 1, u8> is_data;
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BitField<1, 1, u8> is_executable;
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BitField<2, 3, ContentType> content_type;
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};
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u8 content_unit_size;
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union {
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BitField<0, 1, u8> fixed_key;
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BitField<1, 1, u8> no_romfs;
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BitField<2, 1, u8> no_crypto;
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BitField<5, 1, u8> seed_crypto;
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u8 raw_crypto_flags;
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};
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u32_le plain_region_offset;
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u32_le plain_region_size;
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u32_le logo_region_offset;
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u32_le logo_region_size;
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u32_le exefs_offset;
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u32_le exefs_size;
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u32_le exefs_hash_region_size;
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u8 reserved_3[4];
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u32_le romfs_offset;
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u32_le romfs_size;
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u32_le romfs_hash_region_size;
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u8 reserved_4[4];
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u8 exefs_super_block_hash[0x20];
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u8 romfs_super_block_hash[0x20];
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};
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static_assert(sizeof(NCCH_Header) == 0x200, "NCCH header structure size is wrong");
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// ExeFS (executable file system) headers
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struct ExeFs_SectionHeader {
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char name[8];
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u32 offset;
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u32 size;
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};
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struct ExeFs_Header {
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ExeFs_SectionHeader section[8];
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u8 reserved[0x80];
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u8 hashes[8][0x20];
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// ExHeader (executable file system header) headers
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struct ExHeader_SystemInfoFlags {
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u8 reserved[5];
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u8 flag;
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u8 remaster_version[2];
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};
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struct ExHeader_CodeSegmentInfo {
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u32 address;
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u32 num_max_pages;
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u32 code_size;
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};
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||||
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struct ExHeader_CodeSetInfo {
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u8 name[8];
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ExHeader_SystemInfoFlags flags;
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ExHeader_CodeSegmentInfo text;
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u32 stack_size;
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ExHeader_CodeSegmentInfo ro;
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u8 reserved[4];
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ExHeader_CodeSegmentInfo data;
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u32 bss_size;
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||||
};
|
||||
|
||||
struct ExHeader_DependencyList {
|
||||
u8 program_id[0x30][8];
|
||||
};
|
||||
|
||||
struct ExHeader_SystemInfo {
|
||||
u64 save_data_size;
|
||||
u64_le jump_id;
|
||||
u8 reserved_2[0x30];
|
||||
};
|
||||
|
||||
struct ExHeader_StorageInfo {
|
||||
union {
|
||||
u64_le ext_save_data_id;
|
||||
// When using extended savedata access
|
||||
// Prefer the ID specified in the most significant bits
|
||||
BitField<40, 20, u64> extdata_id3;
|
||||
BitField<20, 20, u64> extdata_id4;
|
||||
BitField<0, 20, u64> extdata_id5;
|
||||
};
|
||||
u8 system_save_data_id[8];
|
||||
union {
|
||||
u64_le storage_accessible_unique_ids;
|
||||
// When using extended savedata access
|
||||
// Prefer the ID specified in the most significant bits
|
||||
BitField<40, 20, u64> extdata_id0;
|
||||
BitField<20, 20, u64> extdata_id1;
|
||||
BitField<0, 20, u64> extdata_id2;
|
||||
};
|
||||
u8 access_info[7];
|
||||
u8 other_attributes;
|
||||
};
|
||||
|
||||
struct ExHeader_ARM11_SystemLocalCaps {
|
||||
u64_le program_id;
|
||||
u32_le core_version;
|
||||
u8 reserved_flags[2];
|
||||
union {
|
||||
u8 flags0;
|
||||
BitField<0, 2, u8> ideal_processor;
|
||||
BitField<2, 2, u8> affinity_mask;
|
||||
BitField<4, 4, u8> system_mode;
|
||||
};
|
||||
u8 priority;
|
||||
u8 resource_limit_descriptor[0x10][2];
|
||||
ExHeader_StorageInfo storage_info;
|
||||
u8 service_access_control[0x20][8];
|
||||
u8 ex_service_access_control[0x2][8];
|
||||
u8 reserved[0xf];
|
||||
u8 resource_limit_category;
|
||||
};
|
||||
|
||||
struct ExHeader_ARM11_KernelCaps {
|
||||
u32_le descriptors[28];
|
||||
u8 reserved[0x10];
|
||||
};
|
||||
|
||||
struct ExHeader_ARM9_AccessControl {
|
||||
u8 descriptors[15];
|
||||
u8 descversion;
|
||||
};
|
||||
|
||||
struct ExHeader_Header {
|
||||
ExHeader_CodeSetInfo codeset_info;
|
||||
ExHeader_DependencyList dependency_list;
|
||||
ExHeader_SystemInfo system_info;
|
||||
ExHeader_ARM11_SystemLocalCaps arm11_system_local_caps;
|
||||
ExHeader_ARM11_KernelCaps arm11_kernel_caps;
|
||||
ExHeader_ARM9_AccessControl arm9_access_control;
|
||||
struct {
|
||||
u8 signature[0x100];
|
||||
u8 ncch_public_key_modulus[0x100];
|
||||
ExHeader_ARM11_SystemLocalCaps arm11_system_local_caps;
|
||||
ExHeader_ARM11_KernelCaps arm11_kernel_caps;
|
||||
ExHeader_ARM9_AccessControl arm9_access_control;
|
||||
} access_desc;
|
||||
};
|
||||
|
||||
static_assert(sizeof(ExHeader_Header) == 0x800, "ExHeader structure size is wrong");
|
||||
|
||||
/**
|
||||
* Encryption type of an importable content.
|
||||
*/
|
||||
enum class EncryptionType {
|
||||
None,
|
||||
FixedKey,
|
||||
NCCHSecure1,
|
||||
NCCHSecure2,
|
||||
NCCHSecure3,
|
||||
NCCHSecure4,
|
||||
};
|
||||
|
||||
/**
|
||||
* Helper which implements an interface to deal with NCCH containers which can
|
||||
* contain ExeFS archives or RomFS archives for games or other applications.
|
||||
*
|
||||
* Note that this is heavily stripped down and can only read (primary-key
|
||||
* encrypted non-code sections of) ExeFS and ExHeader by design.
|
||||
*/
|
||||
class NCCHContainer {
|
||||
public:
|
||||
NCCHContainer(std::shared_ptr<FileUtil::IOFile> file);
|
||||
NCCHContainer() {}
|
||||
|
||||
bool OpenFile(std::shared_ptr<FileUtil::IOFile> file);
|
||||
|
||||
/**
|
||||
* Ensure ExeFS and exheader is loaded and ready for reading sections
|
||||
*/
|
||||
bool Load();
|
||||
|
||||
/**
|
||||
* Reads an application ExeFS section of an NCCH file (non-compressed, primary key only)
|
||||
* @param name Name of section to read out of NCCH file
|
||||
* @param buffer Vector to read data into
|
||||
*/
|
||||
bool LoadSectionExeFS(const char* name, std::vector<u8>& buffer);
|
||||
|
||||
/**
|
||||
* Get the Program ID of the NCCH container
|
||||
*/
|
||||
bool ReadProgramId(u64_le& program_id);
|
||||
|
||||
/**
|
||||
* Get the Extdata ID of the NCCH container
|
||||
*/
|
||||
bool ReadExtdataId(u64& extdata_id);
|
||||
|
||||
/**
|
||||
* Checks whether the NCCH container contains an ExeFS
|
||||
* @return bool check result
|
||||
*/
|
||||
bool HasExeFS();
|
||||
|
||||
/**
|
||||
* Checks whether the NCCH container contains an ExHeader
|
||||
* @return bool check result
|
||||
*/
|
||||
bool HasExHeader();
|
||||
|
||||
/**
|
||||
* Reads the name of the codeset.
|
||||
*/
|
||||
bool ReadCodesetName(std::string& name);
|
||||
|
||||
/**
|
||||
* Reads the product code.
|
||||
*/
|
||||
bool ReadProductCode(std::string& name);
|
||||
|
||||
/**
|
||||
* Gets encryption type (which key is used).
|
||||
*/
|
||||
bool ReadEncryptionType(EncryptionType& encryption);
|
||||
|
||||
/**
|
||||
* Gets whether seed crypto is used.
|
||||
*/
|
||||
bool ReadSeedCrypto(bool& used);
|
||||
|
||||
/**
|
||||
* Decrypts this NCCH and write to the destination file.
|
||||
*/
|
||||
bool DecryptToFile(
|
||||
std::shared_ptr<FileUtil::IOFile> dest_file,
|
||||
const Common::ProgressCallback& callback = [](u64, u64) {});
|
||||
|
||||
/**
|
||||
* Aborts DecryptToFile. Simply aborts the decryptor.
|
||||
*/
|
||||
void AbortDecryptToFile();
|
||||
|
||||
NCCH_Header ncch_header;
|
||||
ExHeader_Header exheader_header;
|
||||
ExeFs_Header exefs_header;
|
||||
|
||||
private:
|
||||
bool has_exheader = false;
|
||||
bool has_exefs = false;
|
||||
bool has_romfs = false;
|
||||
|
||||
bool is_loaded = false;
|
||||
|
||||
bool is_encrypted = false;
|
||||
// for decrypting exheader, exefs header and icon/banner section
|
||||
std::array<u8, 16> primary_key{};
|
||||
std::array<u8, 16> secondary_key{}; // for decrypting romfs and .code section
|
||||
std::array<u8, 16> exheader_ctr{};
|
||||
std::array<u8, 16> exefs_ctr{};
|
||||
std::array<u8, 16> romfs_ctr{};
|
||||
|
||||
u32 exefs_offset = 0;
|
||||
|
||||
std::string root_folder;
|
||||
std::string filepath;
|
||||
std::shared_ptr<FileUtil::IOFile> file;
|
||||
std::shared_ptr<FileUtil::IOFile> exefs_file;
|
||||
|
||||
// Used for DecryptToFile
|
||||
FileDecryptor decryptor;
|
||||
std::atomic_bool aborted{false};
|
||||
|
||||
friend class CIABuilder;
|
||||
};
|
||||
|
||||
/**
|
||||
* Extracts the shared RomFS from a NCCH image.
|
||||
* Used for handling system archives.
|
||||
*/
|
||||
std::vector<u8> LoadSharedRomFS(const std::vector<u8>& data);
|
||||
|
||||
} // namespace Core
|
||||
|
||||
+4
-12
@@ -46,18 +46,6 @@ constexpr bool IsNandTitle(ContentType type) {
|
||||
return type == ContentType::SystemTitle || type == ContentType::SystemApplet;
|
||||
}
|
||||
|
||||
/**
|
||||
* Encryption type of an importable content.
|
||||
*/
|
||||
enum class EncryptionType {
|
||||
None,
|
||||
FixedKey,
|
||||
NCCHSecure1,
|
||||
NCCHSecure2,
|
||||
NCCHSecure3,
|
||||
NCCHSecure4,
|
||||
};
|
||||
|
||||
/**
|
||||
* Struct that specifies an importable content.
|
||||
*/
|
||||
@@ -187,6 +175,10 @@ public:
|
||||
bool LoadTMD(ContentType type, u64 id, TitleMetadata& out) const;
|
||||
bool LoadTMD(const ContentSpecifier& specifier, TitleMetadata& out) const;
|
||||
|
||||
std::string GetTitleContentsPath(const ContentSpecifier& specifier) const;
|
||||
std::shared_ptr<FileUtil::IOFile> OpenBootContent(const ContentSpecifier& specifier,
|
||||
const TitleMetadata& tmd) const;
|
||||
|
||||
std::shared_ptr<TicketDB>& GetTicketDB() {
|
||||
return ticket_db;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user