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Merge pull request #7922 from JosJuice/verify-disc

Browse source 
Add a Verify tab to game properties
This commit is contained in:
JosJuice 2019-04-11 16:39:49 +02:00 committed by GitHub
commit d5ed3cbd88
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GPG key ID: 4AEE18F83AFDEB23
41 changed files with 1614 additions and 263 deletions
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41
Source/Core/Core/IOS/ES/ES.h
View file

@ -140,6 +140,27 @@ public:
bool CreateTitleDirectories(u64 title_id, u16 group_id) const;
enum class VerifyContainerType
{
TMD,
Ticket,
Device,
};
enum class VerifyMode
{
// Whether or not new certificates should be added to the certificate store (/sys/cert.sys).
DoNotUpdateCertStore,
UpdateCertStore,
};
// On success, if issuer_handle is non-null, the IOSC object for the issuer will be written to it.
// The caller is responsible for using IOSC_DeleteObject.
ReturnCode VerifyContainer(VerifyContainerType type, VerifyMode mode,
const IOS::ES::SignedBlobReader& signed_blob,
const std::vector<u8>& cert_chain, u32* issuer_handle = nullptr);
ReturnCode VerifyContainer(VerifyContainerType type, VerifyMode mode,
const IOS::ES::CertReader& certificate,
const std::vector<u8>& cert_chain, u32 certificate_iosc_handle);
private:
enum
{
@ -308,29 +329,9 @@ private:
ReturnCode CheckStreamKeyPermissions(u32 uid, const u8* ticket_view,
const IOS::ES::TMDReader& tmd) const;
enum class VerifyContainerType
{
TMD,
Ticket,
Device,
};
enum class VerifyMode
{
// Whether or not new certificates should be added to the certificate store (/sys/cert.sys).
DoNotUpdateCertStore,
UpdateCertStore,
};
bool IsIssuerCorrect(VerifyContainerType type, const IOS::ES::CertReader& issuer_cert) const;
ReturnCode ReadCertStore(std::vector<u8>* buffer) const;
ReturnCode WriteNewCertToStore(const IOS::ES::CertReader& cert);
// On success, if issuer_handle is non-null, the IOSC object for the issuer will be written to it.
// The caller is responsible for using IOSC_DeleteObject.
ReturnCode VerifyContainer(VerifyContainerType type, VerifyMode mode,
const IOS::ES::SignedBlobReader& signed_blob,
const std::vector<u8>& cert_chain, u32* issuer_handle = nullptr);
ReturnCode VerifyContainer(VerifyContainerType type, VerifyMode mode,
const IOS::ES::CertReader& certificate,
const std::vector<u8>& cert_chain, u32 certificate_iosc_handle);
// Start a title import.
bool InitImport(const IOS::ES::TMDReader& tmd);

5
Source/Core/Core/IOS/ES/Formats.cpp
View file

@ -441,6 +441,11 @@ u64 TicketReader::GetTitleId() const
return Common::swap64(m_bytes.data() + offsetof(Ticket, title_id));
}
u8 TicketReader::GetCommonKeyIndex() const
{
return m_bytes[offsetof(Ticket, common_key_index)];
}
std::array<u8, 16> TicketReader::GetTitleKey(const HLE::IOSC& iosc) const
{
u8 iv[16] = {};

1
Source/Core/Core/IOS/ES/Formats.h
View file

@ -240,6 +240,7 @@ public:
u32 GetDeviceId() const;
u64 GetTitleId() const;
u8 GetCommonKeyIndex() const;
// Get the decrypted title key.
std::array<u8, 16> GetTitleKey(const HLE::IOSC& iosc) const;
// Same as the above version, but guesses the console type depending on the issuer

1
Source/Core/DiscIO/Blob.h
View file

@ -44,6 +44,7 @@ public:
virtual BlobType GetBlobType() const = 0;
virtual u64 GetRawSize() const = 0;
virtual u64 GetDataSize() const = 0;
virtual bool IsDataSizeAccurate() const = 0;
// NOT thread-safe - can't call this from multiple threads.
virtual bool Read(u64 offset, u64 size, u8* out_ptr) = 0;

1
Source/Core/DiscIO/CISOBlob.h
View file

@ -40,6 +40,7 @@ public:
// The CISO format does not save the original file size.
// This function returns an upper bound.
u64 GetDataSize() const override;
bool IsDataSizeAccurate() const override { return false; }
u64 GetRawSize() const override;
bool Read(u64 offset, u64 nbytes, u8* out_ptr) override;

1
Source/Core/DiscIO/CMakeLists.txt
View file

@ -16,6 +16,7 @@ add_library(discio
Volume.cpp
VolumeFileBlobReader.cpp
VolumeGC.cpp
VolumeVerifier.cpp
VolumeWad.cpp
VolumeWii.cpp
WiiSaveBanner.cpp

5
Source/Core/DiscIO/CompressedBlob.cpp
View file

@ -27,6 +27,7 @@
#include "DiscIO/Blob.h"
#include "DiscIO/CompressedBlob.h"
#include "DiscIO/DiscScrubber.h"
#include "DiscIO/Volume.h"
namespace DiscIO
{
@ -181,9 +182,11 @@ bool CompressFileToBlob(const std::string& infile_path, const std::string& outfi
}
DiscScrubber disc_scrubber;
std::unique_ptr<Volume> volume;
if (sub_type == 1)
{
if (!disc_scrubber.SetupScrub(infile_path, block_size))
volume = CreateVolumeFromFilename(infile_path);
if (!volume || !disc_scrubber.SetupScrub(volume.get(), block_size))
{
PanicAlertT("\"%s\" failed to be scrubbed. Probably the image is corrupt.",
infile_path.c_str());

3
Source/Core/DiscIO/CompressedBlob.h
View file

@ -49,8 +49,9 @@ public:
~CompressedBlobReader();
const CompressedBlobHeader& GetHeader() const { return m_header; }
BlobType GetBlobType() const override { return BlobType::GCZ; }
u64 GetDataSize() const override { return m_header.data_size; }
u64 GetRawSize() const override { return m_file_size; }
u64 GetDataSize() const override { return m_header.data_size; }
bool IsDataSizeAccurate() const override { return true; }
u64 GetBlockCompressedSize(u64 block_num) const;
bool GetBlock(u64 block_num, u8* out_ptr) override;

1
Source/Core/DiscIO/DirectoryBlob.h
View file

@ -146,6 +146,7 @@ public:
BlobType GetBlobType() const override;
u64 GetRawSize() const override;
u64 GetDataSize() const override;
bool IsDataSizeAccurate() const override { return true; }
private:
struct PartitionWithType

17
Source/Core/DiscIO/DiscExtractor.cpp
View file

@ -19,16 +19,21 @@
namespace DiscIO
{
std::string DirectoryNameForPartitionType(u32 partition_type)
std::string NameForPartitionType(u32 partition_type, bool include_prefix)
{
switch (partition_type)
{
case 0:
case PARTITION_DATA:
return "DATA";
case 1:
case PARTITION_UPDATE:
return "UPDATE";
case 2:
case PARTITION_CHANNEL:
return "CHANNEL";
case PARTITION_INSTALL:
// wit doesn't recognize the name "INSTALL", so we can't use it when naming partition folders
if (!include_prefix)
return "INSTALL";
// [[fallthrough]]
default:
const std::string type_as_game_id{static_cast<char>((partition_type >> 24) & 0xFF),
static_cast<char>((partition_type >> 16) & 0xFF),
@ -37,10 +42,10 @@ std::string DirectoryNameForPartitionType(u32 partition_type)
if (std::all_of(type_as_game_id.cbegin(), type_as_game_id.cend(),
[](char c) { return std::isalnum(c, std::locale::classic()); }))
{
return "P-" + type_as_game_id;
return include_prefix ? "P-" + type_as_game_id : type_as_game_id;
}
return StringFromFormat("P%u", partition_type);
return StringFromFormat(include_prefix ? "P%u" : "%u", partition_type);
}
}

7
Source/Core/DiscIO/DiscExtractor.h
View file

@ -15,7 +15,12 @@ class FileInfo;
struct Partition;
class Volume;
std::string DirectoryNameForPartitionType(u32 partition_type);
constexpr u32 PARTITION_DATA = 0;
constexpr u32 PARTITION_UPDATE = 1;
constexpr u32 PARTITION_CHANNEL = 2; // Mario Kart Wii, Wii Fit, Wii Fit Plus, Rabbids Go Home
constexpr u32 PARTITION_INSTALL = 3; // Dragon Quest X only
std::string NameForPartitionType(u32 partition_type, bool include_prefix);
u64 ReadFile(const Volume& volume, const Partition& partition, const FileInfo* file_info,
u8* buffer, u64 max_buffer_size, u64 offset_in_file = 0);

2
Source/Core/DiscIO/DiscIO.vcxproj
View file

@ -52,6 +52,7 @@
<ClCompile Include="Volume.cpp" />
<ClCompile Include="VolumeFileBlobReader.cpp" />
<ClCompile Include="VolumeGC.cpp" />
<ClCompile Include="VolumeVerifier.cpp" />
<ClCompile Include="VolumeWad.cpp" />
<ClCompile Include="VolumeWii.cpp" />
<ClCompile Include="WbfsBlob.cpp" />
@ -75,6 +76,7 @@
<ClInclude Include="Volume.h" />
<ClInclude Include="VolumeFileBlobReader.h" />
<ClInclude Include="VolumeGC.h" />
<ClInclude Include="VolumeVerifier.h" />
<ClInclude Include="VolumeWad.h" />
<ClInclude Include="VolumeWii.h" />
<ClInclude Include="WbfsBlob.h" />

6
Source/Core/DiscIO/DiscIO.vcxproj.filters
View file

@ -84,6 +84,9 @@
<ClCompile Include="WiiSaveBanner.cpp">
<Filter>NAND</Filter>
</ClCompile>
<ClCompile Include="VolumeVerifier.cpp">
<Filter>Volume</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="DiscScrubber.h">
@ -149,6 +152,9 @@
<ClInclude Include="WiiSaveBanner.h">
<Filter>NAND</Filter>
</ClInclude>
<ClInclude Include="VolumeVerifier.h">
<Filter>Volume</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<Text Include="CMakeLists.txt" />

25
Source/Core/DiscIO/DiscScrubber.cpp
View file

@ -28,9 +28,11 @@ constexpr size_t CLUSTER_SIZE = 0x8000;
DiscScrubber::DiscScrubber() = default;
DiscScrubber::~DiscScrubber() = default;
bool DiscScrubber::SetupScrub(const std::string& filename, int block_size)
bool DiscScrubber::SetupScrub(const Volume* disc, int block_size)
{
m_filename = filename;
if (!disc)
return false;
m_disc = disc;
m_block_size = block_size;
if (CLUSTER_SIZE % m_block_size != 0)
@ -40,20 +42,13 @@ bool DiscScrubber::SetupScrub(const std::string& filename, int block_size)
return false;
}
m_disc = CreateVolumeFromFilename(filename);
if (!m_disc)
return false;
m_file_size = m_disc->GetSize();
const size_t num_clusters = static_cast<size_t>(m_file_size / CLUSTER_SIZE);
// Warn if not DVD5 or DVD9 size
if (num_clusters != 0x23048 && num_clusters != 0x46090)
{
WARN_LOG(DISCIO, "%s is not a standard sized Wii disc! (%zx blocks)", filename.c_str(),
num_clusters);
}
WARN_LOG(DISCIO, "Not a standard sized Wii disc! (%zx blocks)", num_clusters);
// Table of free blocks
m_free_table.resize(num_clusters, 1);
@ -61,8 +56,6 @@ bool DiscScrubber::SetupScrub(const std::string& filename, int block_size)
// Fill out table of free blocks
const bool success = ParseDisc();
// Done with it; need it closed for the next part
m_disc.reset();
m_block_count = 0;
m_is_scrubbing = success;
@ -72,10 +65,9 @@ bool DiscScrubber::SetupScrub(const std::string& filename, int block_size)
size_t DiscScrubber::GetNextBlock(File::IOFile& in, u8* buffer)
{
const u64 current_offset = m_block_count * m_block_size;
const u64 i = current_offset / CLUSTER_SIZE;
size_t read_bytes = 0;
if (m_is_scrubbing && m_free_table[i])
if (CanBlockBeScrubbed(current_offset))
{
DEBUG_LOG(DISCIO, "Freeing 0x%016" PRIx64, current_offset);
std::fill(buffer, buffer + m_block_size, 0x00);
@ -92,6 +84,11 @@ size_t DiscScrubber::GetNextBlock(File::IOFile& in, u8* buffer)
return read_bytes;
}
bool DiscScrubber::CanBlockBeScrubbed(u64 offset) const
{
return m_is_scrubbing && m_free_table[offset / CLUSTER_SIZE];
}
void DiscScrubber::MarkAsUsed(u64 offset, u64 size)
{
u64 current_offset = offset;

7
Source/Core/DiscIO/DiscScrubber.h
View file

@ -13,7 +13,6 @@
#pragma once
#include <array>
#include <memory>
#include <string>
#include <vector>
#include "Common/CommonTypes.h"
@ -35,8 +34,9 @@ public:
DiscScrubber();
~DiscScrubber();
bool SetupScrub(const std::string& filename, int block_size);
bool SetupScrub(const Volume* disc, int block_size);
size_t GetNextBlock(File::IOFile& in, u8* buffer);
bool CanBlockBeScrubbed(u64 offset) const;
private:
struct PartitionHeader final
@ -68,8 +68,7 @@ private:
bool ParsePartitionData(const Partition& partition, PartitionHeader* header);
void ParseFileSystemData(u64 partition_data_offset, const FileInfo& directory);
std::string m_filename;
std::unique_ptr<Volume> m_disc;
const Volume* m_disc;
std::vector<u8> m_free_table;
u64 m_file_size = 0;

3
Source/Core/DiscIO/DriveBlob.h
View file

@ -24,8 +24,9 @@ public:
static std::unique_ptr<DriveReader> Create(const std::string& drive);
~DriveReader();
BlobType GetBlobType() const override { return BlobType::DRIVE; }
u64 GetDataSize() const override { return m_size; }
u64 GetRawSize() const override { return m_size; }
u64 GetDataSize() const override { return m_size; }
bool IsDataSizeAccurate() const override { return true; }
private:
DriveReader(const std::string& drive);

50
Source/Core/DiscIO/Enums.cpp
View file

@ -145,7 +145,8 @@ Country TypicalCountryForRegion(Region region)
}
}
Region CountryCodeToRegion(u8 country_code, Platform platform, Region expected_region)
Region CountryCodeToRegion(u8 country_code, Platform platform, Region expected_region,
std::optional<u16> revision)
{
switch (country_code)
{
@ -159,11 +160,24 @@ Region CountryCodeToRegion(u8 country_code, Platform platform, Region expected_r
return Region::NTSC_J; // Korean GC games in English or Taiwanese Wii games
case 'E':
if (expected_region == Region::NTSC_J)
return Region::NTSC_J; // Korean GC games in English
else
if (platform != Platform::GameCubeDisc)
return Region::NTSC_U; // The most common country code for NTSC-U
if (revision)
{
if (*revision >= 0x30)
return Region::NTSC_J; // Korean GC games in English
else
return Region::NTSC_U; // The most common country code for NTSC-U
}
else
{
if (expected_region == Region::NTSC_J)
return Region::NTSC_J; // Korean GC games in English
else
return Region::NTSC_U; // The most common country code for NTSC-U
}
case 'B':
case 'N':
return Region::NTSC_U;
@ -198,7 +212,8 @@ Region CountryCodeToRegion(u8 country_code, Platform platform, Region expected_r
}
}
Country CountryCodeToCountry(u8 country_code, Platform platform, Region region)
Country CountryCodeToCountry(u8 country_code, Platform platform, Region region,
std::optional<u16> revision)
{
switch (country_code)
{
@ -214,10 +229,10 @@ Country CountryCodeToCountry(u8 country_code, Platform platform, Region region)
return region == Region::NTSC_U ? Country::USA : Country::Europe;
case 'W':
if (region == Region::PAL)
return Country::Europe; // Only the Nordic version of Ratatouille (Wii)
else if (platform == Platform::GameCubeDisc)
if (platform == Platform::GameCubeDisc)
return Country::Korea; // GC games in English released in Korea
else if (region == Region::PAL)
return Country::Europe; // Only the Nordic version of Ratatouille (Wii)
else
return Country::Taiwan; // Wii games in traditional Chinese released in Taiwan
@ -251,11 +266,24 @@ Country CountryCodeToCountry(u8 country_code, Platform platform, Region region)
// NTSC
case 'E':
if (region == Region::NTSC_J)
return Country::Korea; // GC games in English released in Korea
else
if (platform != Platform::GameCubeDisc)
return Country::USA; // The most common country code for NTSC-U
if (revision)
{
if (*revision >= 0x30)
return Country::Korea; // GC games in English released in Korea
else
return Country::USA; // The most common country code for NTSC-U
}
else
{
if (region == Region::NTSC_J)
return Country::Korea; // GC games in English released in Korea
else
return Country::USA; // The most common country code for NTSC-U
}
case 'B': // PAL games released on NTSC-U VC
case 'N': // NTSC-J games released on NTSC-U VC
return Country::USA;

7
Source/Core/DiscIO/Enums.h
View file

@ -4,6 +4,7 @@
#pragma once
#include <optional>
#include <string>
#include "Common/CommonTypes.h"
@ -78,8 +79,10 @@ bool IsNTSC(Region region);
Country TypicalCountryForRegion(Region region);
// Avoid using this function if you can. Country codes aren't always reliable region indicators.
Region CountryCodeToRegion(u8 country_code, Platform platform,
Region expected_region = Region::Unknown);
Country CountryCodeToCountry(u8 country_code, Platform platform, Region region = Region::Unknown);
Region expected_region = Region::Unknown,
std::optional<u16> revision = {});
Country CountryCodeToCountry(u8 country_code, Platform platform, Region region = Region::Unknown,
std::optional<u16> revision = {});
Region GetSysMenuRegion(u16 title_version);
std::string GetSysMenuVersionString(u16 title_version);

3
Source/Core/DiscIO/FileBlob.h
View file

@ -20,8 +20,9 @@ public:
static std::unique_ptr<PlainFileReader> Create(File::IOFile file);
BlobType GetBlobType() const override { return BlobType::PLAIN; }
u64 GetDataSize() const override { return m_size; }
u64 GetRawSize() const override { return m_size; }
u64 GetDataSize() const override { return m_size; }
bool IsDataSizeAccurate() const override { return true; }
bool Read(u64 offset, u64 nbytes, u8* out_ptr) override;
private:

3
Source/Core/DiscIO/TGCBlob.h
View file

@ -43,8 +43,9 @@ public:
static std::unique_ptr<TGCFileReader> Create(File::IOFile file);
BlobType GetBlobType() const override { return BlobType::TGC; }
u64 GetDataSize() const override;
u64 GetRawSize() const override { return m_size; }
u64 GetDataSize() const override;
bool IsDataSizeAccurate() const override { return true; }
bool Read(u64 offset, u64 nbytes, u8* out_ptr) override;
private:

1
Source/Core/DiscIO/Volume.cpp
View file

@ -25,6 +25,7 @@ namespace DiscIO
{
const IOS::ES::TicketReader Volume::INVALID_TICKET{};
const IOS::ES::TMDReader Volume::INVALID_TMD{};
const std::vector<u8> Volume::INVALID_CERT_CHAIN{};
std::map<Language, std::string> Volume::ReadWiiNames(const std::vector<char16_t>& data)
{

15
Source/Core/DiscIO/Volume.h
View file

@ -69,6 +69,11 @@ public:
return INVALID_TICKET;
}
virtual const IOS::ES::TMDReader& GetTMD(const Partition& partition) const { return INVALID_TMD; }
virtual const std::vector<u8>& GetCertificateChain(const Partition& partition) const
{
return INVALID_CERT_CHAIN;
}
virtual std::vector<u64> GetContentOffsets() const { return {}; }
// Returns a non-owning pointer. Returns nullptr if the file system couldn't be read.
virtual const FileSystem* GetFileSystem(const Partition& partition) const = 0;
virtual u64 PartitionOffsetToRawOffset(u64 offset, const Partition& partition) const
@ -95,12 +100,17 @@ public:
}
virtual Platform GetVolumeType() const = 0;
virtual bool SupportsIntegrityCheck() const { return false; }
virtual bool CheckIntegrity(const Partition& partition) const { return false; }
virtual bool CheckH3TableIntegrity(const Partition& partition) const { return false; }
virtual bool CheckBlockIntegrity(u64 block_index, const Partition& partition) const
{
return false;
}
virtual Region GetRegion() const = 0;
virtual Country GetCountry(const Partition& partition = PARTITION_NONE) const = 0;
virtual BlobType GetBlobType() const = 0;
// Size of virtual disc (may be inaccurate depending on the blob type)
virtual u64 GetSize() const = 0;
virtual bool IsSizeAccurate() const = 0;
// Size on disc (compressed size)
virtual u64 GetRawSize() const = 0;
@ -128,8 +138,9 @@ protected:
static const IOS::ES::TicketReader INVALID_TICKET;
static const IOS::ES::TMDReader INVALID_TMD;
static const std::vector<u8> INVALID_CERT_CHAIN;
};
std::unique_ptr<Volume> CreateVolumeFromFilename(const std::string& filename);
} // namespace
} // namespace DiscIO

3
Source/Core/DiscIO/VolumeFileBlobReader.h
View file

@ -23,8 +23,9 @@ public:
Create(const Volume& volume, const Partition& partition, const std::string& file_path);
BlobType GetBlobType() const override { return BlobType::PLAIN; }
u64 GetDataSize() const override;
u64 GetRawSize() const override;
u64 GetDataSize() const override;
bool IsDataSizeAccurate() const override { return true; }
bool Read(u64 offset, u64 length, u8* out_ptr) override;
private:

10
Source/Core/DiscIO/VolumeGC.cpp
View file

@ -97,11 +97,12 @@ Country VolumeGC::GetCountry(const Partition& partition) const
// The 0 that we use as a default value is mapped to Country::Unknown and Region::Unknown
const u8 country = ReadSwapped<u8>(3, partition).value_or(0);
const Region region = GetRegion();
const std::optional<u16> revision = GetRevision();
if (CountryCodeToRegion(country, Platform::GameCubeDisc, region) != region)
if (CountryCodeToRegion(country, Platform::GameCubeDisc, region, revision) != region)
return TypicalCountryForRegion(region);
return CountryCodeToCountry(country, Platform::GameCubeDisc, region);
return CountryCodeToCountry(country, Platform::GameCubeDisc, region, revision);
}
std::string VolumeGC::GetMakerID(const Partition& partition) const
@ -179,6 +180,11 @@ u64 VolumeGC::GetSize() const
return m_reader->GetDataSize();
}
bool VolumeGC::IsSizeAccurate() const
{
return m_reader->IsDataSizeAccurate();
}
u64 VolumeGC::GetRawSize() const
{
return m_reader->GetRawSize();

1
Source/Core/DiscIO/VolumeGC.h
View file

@ -52,6 +52,7 @@ public:
Country GetCountry(const Partition& partition = PARTITION_NONE) const override;
BlobType GetBlobType() const override;
u64 GetSize() const override;
bool IsSizeAccurate() const override;
u64 GetRawSize() const override;
private:

912
Source/Core/DiscIO/VolumeVerifier.cpp Normal file
View file

@ -0,0 +1,912 @@
// Copyright 2019 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "DiscIO/VolumeVerifier.h"
#include <algorithm>
#include <cinttypes>
#include <limits>
#include <optional>
#include <string>
#include <unordered_set>
#include <mbedtls/aes.h>
#include <mbedtls/md5.h>
#include <mbedtls/sha1.h>
#include <zlib.h>
#include "Common/Align.h"
#include "Common/Assert.h"
#include "Common/CommonTypes.h"
#include "Common/Logging/Log.h"
#include "Common/MsgHandler.h"
#include "Common/StringUtil.h"
#include "Common/Swap.h"
#include "Core/IOS/Device.h"
#include "Core/IOS/ES/ES.h"
#include "Core/IOS/ES/Formats.h"
#include "Core/IOS/IOS.h"
#include "Core/IOS/IOSC.h"
#include "DiscIO/Blob.h"
#include "DiscIO/DiscExtractor.h"
#include "DiscIO/DiscScrubber.h"
#include "DiscIO/Enums.h"
#include "DiscIO/Filesystem.h"
#include "DiscIO/Volume.h"
#include "DiscIO/VolumeWii.h"
namespace DiscIO
{
constexpr u64 MINI_DVD_SIZE = 1459978240; // GameCube
constexpr u64 SL_DVD_SIZE = 4699979776; // Wii retail
constexpr u64 SL_DVD_R_SIZE = 4707319808; // Wii RVT-R
constexpr u64 DL_DVD_SIZE = 8511160320; // Wii retail
constexpr u64 DL_DVD_R_SIZE = 8543666176; // Wii RVT-R
constexpr u64 BLOCK_SIZE = 0x20000;
VolumeVerifier::VolumeVerifier(const Volume& volume, Hashes<bool> hashes_to_calculate)
: m_volume(volume), m_hashes_to_calculate(hashes_to_calculate),
m_calculating_any_hash(hashes_to_calculate.crc32 || hashes_to_calculate.md5 ||
hashes_to_calculate.sha1),
m_started(false), m_done(false), m_progress(0), m_max_progress(volume.GetSize())
{
}
void VolumeVerifier::Start()
{
ASSERT(!m_started);
m_started = true;
m_is_tgc = m_volume.GetBlobType() == BlobType::TGC;
m_is_datel = IsDisc(m_volume.GetVolumeType()) &&
!GetBootDOLOffset(m_volume, m_volume.GetGamePartition()).has_value();
m_is_not_retail =
(m_volume.GetVolumeType() == Platform::WiiDisc && !m_volume.IsEncryptedAndHashed()) ||
IsDebugSigned();
CheckPartitions();
if (m_volume.GetVolumeType() == Platform::WiiWAD)
CheckCorrectlySigned(PARTITION_NONE, GetStringT("This title is not correctly signed."));
CheckDiscSize();
CheckMisc();
SetUpHashing();
}
void VolumeVerifier::CheckPartitions()
{
const std::vector<Partition> partitions = m_volume.GetPartitions();
if (partitions.empty())
{
if (m_volume.GetVolumeType() != Platform::WiiWAD &&
!m_volume.GetFileSystem(m_volume.GetGamePartition()))
{
AddProblem(Severity::High, GetStringT("The filesystem is invalid or could not be read."));
}
return;
}
std::optional<u32> partitions_in_first_table = m_volume.ReadSwapped<u32>(0x40000, PARTITION_NONE);
if (partitions_in_first_table && *partitions_in_first_table > 8)
{
// Not sure if 8 actually is the limit, but there certainly aren't any discs
// released that have as many partitions as 8 in the first partition table.
// The only game that has that many partitions in total is Super Smash Bros. Brawl,
// and that game places all partitions other than UPDATE and DATA in the second table.
AddProblem(Severity::Low,
GetStringT("There are too many partitions in the first partition table."));
}
std::vector<u32> types;
for (const Partition& partition : partitions)
{
const std::optional<u32> type = m_volume.GetPartitionType(partition);
if (type)
types.emplace_back(*type);
}
if (std::find(types.cbegin(), types.cend(), PARTITION_UPDATE) == types.cend())
AddProblem(Severity::Low, GetStringT("The update partition is missing."));
if (std::find(types.cbegin(), types.cend(), PARTITION_DATA) == types.cend())
AddProblem(Severity::High, GetStringT("The data partition is missing."));
const bool has_channel_partition =
std::find(types.cbegin(), types.cend(), PARTITION_CHANNEL) != types.cend();
if (ShouldHaveChannelPartition() && !has_channel_partition)
AddProblem(Severity::Medium, GetStringT("The channel partition is missing."));
const bool has_install_partition =
std::find(types.cbegin(), types.cend(), PARTITION_INSTALL) != types.cend();
if (ShouldHaveInstallPartition() && !has_install_partition)
AddProblem(Severity::High, GetStringT("The install partition is missing."));
if (ShouldHaveMasterpiecePartitions() &&
types.cend() ==
std::find_if(types.cbegin(), types.cend(), [](u32 type) { return type >= 0xFF; }))
{
// i18n: This string is referring to a game mode in Super Smash Bros. Brawl called Masterpieces
// where you play demos of NES/SNES/N64 games. Official translations:
// 名作トライアル (Japanese), Masterpieces (English), Meisterstücke (German), Chefs-d'œuvre
// (French), Clásicos (Spanish), Capolavori (Italian), 클래식 게임 체험판 (Korean).
// If your language is not one of the languages above, consider leaving the string untranslated
// so that people will recognize it as the name of the game mode.
AddProblem(Severity::Medium, GetStringT("The Masterpiece partitions are missing."));
}
for (const Partition& partition : partitions)
{
if (m_volume.GetPartitionType(partition) == PARTITION_UPDATE && partition.offset != 0x50000)
{
AddProblem(Severity::Low, GetStringT("The update partition is not at its normal position."));
}
const u64 normal_data_offset = m_volume.IsEncryptedAndHashed() ? 0xF800000 : 0x838000;
if (m_volume.GetPartitionType(partition) == PARTITION_DATA &&
partition.offset != normal_data_offset && !has_channel_partition && !has_install_partition)
{
AddProblem(
Severity::Low,
GetStringT("The data partition is not at its normal position. This will affect the "
"emulated loading times. When using NetPlay or sending input recordings to "
"other people, you will experience desyncs if anyone is using a good dump."));
}
}
for (const Partition& partition : partitions)
CheckPartition(partition);
}
bool VolumeVerifier::CheckPartition(const Partition& partition)
{
std::optional<u32> type = m_volume.GetPartitionType(partition);
if (!type)
{
// Not sure if this can happen in practice
AddProblem(Severity::Medium, GetStringT("The type of a partition could not be read."));
return false;
}
Severity severity = Severity::Medium;
if (*type == PARTITION_DATA || *type == PARTITION_INSTALL)
severity = Severity::High;
else if (*type == PARTITION_UPDATE)
severity = Severity::Low;
const std::string name = GetPartitionName(type);
if (partition.offset % VolumeWii::BLOCK_TOTAL_SIZE != 0 ||
m_volume.PartitionOffsetToRawOffset(0, partition) % VolumeWii::BLOCK_TOTAL_SIZE != 0)
{
AddProblem(Severity::Medium,
StringFromFormat(GetStringT("The %s partition is not properly aligned.").c_str(),
name.c_str()));
}
CheckCorrectlySigned(
partition, StringFromFormat(GetStringT("The %s partition is not correctly signed.").c_str(),
name.c_str()));
if (m_volume.SupportsIntegrityCheck() && !m_volume.CheckH3TableIntegrity(partition))
{
const std::string text = StringFromFormat(
GetStringT("The H3 hash table for the %s partition is not correct.").c_str(), name.c_str());
AddProblem(Severity::Low, text);
}
bool invalid_disc_header = false;
std::vector<u8> disc_header(0x80);
constexpr u32 WII_MAGIC = 0x5D1C9EA3;
if (!m_volume.Read(0, disc_header.size(), disc_header.data(), partition))
{
invalid_disc_header = true;
}
else if (Common::swap32(disc_header.data() + 0x18) != WII_MAGIC)
{
for (size_t i = 0; i < disc_header.size(); i += 4)
{
if (Common::swap32(disc_header.data() + i) != i)
{
invalid_disc_header = true;
break;
}
}
// The loop above ends without breaking for discs that legitimately lack updates.
// No such discs have been released to end users. Most such discs are debug signed,
// but there is apparently at least one that is retail signed, the Movie-Ch Install Disc.
return false;
}
if (invalid_disc_header)
{
// This can happen when certain programs that create WBFS files scrub the entirety of
// the Masterpiece partitions in Super Smash Bros. Brawl without removing them from
// the partition table. https://bugs.dolphin-emu.org/issues/8733
const std::string text = StringFromFormat(
GetStringT("The %s partition does not seem to contain valid data.").c_str(), name.c_str());
AddProblem(severity, text);
return false;
}
const DiscIO::FileSystem* filesystem = m_volume.GetFileSystem(partition);
if (!filesystem)
{
const std::string text = StringFromFormat(
GetStringT("The %s partition does not have a valid file system.").c_str(), name.c_str());
AddProblem(severity, text);
return false;
}
if (type == PARTITION_UPDATE)
{
std::unique_ptr<FileInfo> file_info = filesystem->FindFileInfo("_sys");
bool has_correct_ios = false;
if (file_info)
{
const IOS::ES::TMDReader& tmd = m_volume.GetTMD(m_volume.GetGamePartition());
if (tmd.IsValid())
{
const std::string correct_ios = "IOS" + std::to_string(tmd.GetIOSId() & 0xFF) + "-";
for (const FileInfo& f : *file_info)
{
if (StringBeginsWith(f.GetName(), correct_ios))
{
has_correct_ios = true;
break;
}
}
}
}
if (!has_correct_ios)
{
// This is reached for hacked dumps where the update partition has been replaced with
// a very old update partition so that no updates will be installed.
AddProblem(Severity::Low,
GetStringT("The update partition does not contain the IOS used by this title."));
}
}
// Prepare for hash verification in the Process step
if (m_volume.SupportsIntegrityCheck())
{
u64 offset = m_volume.PartitionOffsetToRawOffset(0, partition);
const std::optional<u64> size =
m_volume.ReadSwappedAndShifted(partition.offset + 0x2bc, PARTITION_NONE);
const u64 end_offset = offset + size.value_or(0);
for (size_t i = 0; offset < end_offset; ++i, offset += VolumeWii::BLOCK_TOTAL_SIZE)
m_blocks.emplace_back(BlockToVerify{partition, offset, i});
m_block_errors.emplace(partition, 0);
}
return true;
}
std::string VolumeVerifier::GetPartitionName(std::optional<u32> type) const
{
if (!type)
return "???";
std::string name = NameForPartitionType(*type, false);
if (ShouldHaveMasterpiecePartitions() && *type > 0xFF)
{
// i18n: This string is referring to a game mode in Super Smash Bros. Brawl called Masterpieces
// where you play demos of NES/SNES/N64 games. This string is referring to a specific such demo
// rather than the game mode as a whole, so please use the singular form. Official translations:
// 名作トライアル (Japanese), Masterpieces (English), Meisterstücke (German), Chefs-d'œuvre
// (French), Clásicos (Spanish), Capolavori (Italian), 클래식 게임 체험판 (Korean).
// If your language is not one of the languages above, consider leaving the string untranslated
// so that people will recognize it as the name of the game mode.
name = StringFromFormat(GetStringT("%s (Masterpiece)").c_str(), name.c_str());
}
return name;
}
void VolumeVerifier::CheckCorrectlySigned(const Partition& partition, const std::string& error_text)
{
IOS::HLE::Kernel ios;
const auto es = ios.GetES();
const std::vector<u8> cert_chain = m_volume.GetCertificateChain(partition);
if (IOS::HLE::IPC_SUCCESS !=
es->VerifyContainer(IOS::HLE::Device::ES::VerifyContainerType::Ticket,
IOS::HLE::Device::ES::VerifyMode::DoNotUpdateCertStore,
m_volume.GetTicket(partition), cert_chain) ||
IOS::HLE::IPC_SUCCESS !=
es->VerifyContainer(IOS::HLE::Device::ES::VerifyContainerType::TMD,
IOS::HLE::Device::ES::VerifyMode::DoNotUpdateCertStore,
m_volume.GetTMD(partition), cert_chain))
{
AddProblem(Severity::Low, error_text);
}
}
bool VolumeVerifier::IsDebugSigned() const
{
const IOS::ES::TicketReader& ticket = m_volume.GetTicket(m_volume.GetGamePartition());
return ticket.IsValid() ? ticket.GetConsoleType() == IOS::HLE::IOSC::ConsoleType::RVT : false;
}
bool VolumeVerifier::ShouldHaveChannelPartition() const
{
const std::unordered_set<std::string> channel_discs{
"RFNE01", "RFNJ01", "RFNK01", "RFNP01", "RFNW01", "RFPE01", "RFPJ01", "RFPK01", "RFPP01",
"RFPW01", "RGWE41", "RGWJ41", "RGWP41", "RGWX41", "RMCE01", "RMCJ01", "RMCK01", "RMCP01",
};
return channel_discs.find(m_volume.GetGameID()) != channel_discs.end();
}
bool VolumeVerifier::ShouldHaveInstallPartition() const
{
const std::unordered_set<std::string> dragon_quest_x{"S4MJGD", "S4SJGD", "S6TJGD", "SDQJGD"};
return dragon_quest_x.find(m_volume.GetGameID()) != dragon_quest_x.end();
}
bool VolumeVerifier::ShouldHaveMasterpiecePartitions() const
{
const std::unordered_set<std::string> ssbb{"RSBE01", "RSBJ01", "RSBK01", "RSBP01"};
return ssbb.find(m_volume.GetGameID()) != ssbb.end();
}
bool VolumeVerifier::ShouldBeDualLayer() const
{
// The Japanese versions of Xenoblade and The Last Story are single-layer
// (unlike the other versions) and must not be added to this list.
const std::unordered_set<std::string> dual_layer_discs{
"R3ME01", "R3MP01", "R3OE01", "R3OJ01", "R3OP01", "RSBE01", "RSBJ01", "RSBK01", "RSBP01",
"RXMJ8P", "S59E01", "S59JC8", "S59P01", "S5QJC8", "SK8X52", "SAKENS", "SAKPNS", "SK8V52",
"SK8X52", "SLSEXJ", "SLSP01", "SQIE4Q", "SQIP4Q", "SQIY4Q", "SR5E41", "SR5P41", "SUOE41",
"SUOP41", "SVXX52", "SVXY52", "SX4E01", "SX4P01", "SZ3EGT", "SZ3PGT",
};
return dual_layer_discs.find(m_volume.GetGameID()) != dual_layer_discs.end();
}
void VolumeVerifier::CheckDiscSize()
{
if (!IsDisc(m_volume.GetVolumeType()))
return;
const u64 biggest_offset = GetBiggestUsedOffset();
if (biggest_offset > m_volume.GetSize())
{
const bool second_layer_missing =
biggest_offset > SL_DVD_SIZE && m_volume.GetSize() >= SL_DVD_SIZE;
const std::string text =
second_layer_missing ?
GetStringT(
"This disc image is too small and lacks some data. The problem is most likely that "
"this is a dual-layer disc that has been dumped as a single-layer disc.") :
GetStringT(
"This disc image is too small and lacks some data. If your dumping program saved "
"the disc image as several parts, you need to merge them into one file.");
AddProblem(Severity::High, text);
return;
}
if (ShouldBeDualLayer() && biggest_offset <= SL_DVD_R_SIZE)
{
AddProblem(
Severity::Medium,
GetStringT("This game has been hacked to fit on a single-layer DVD. Some content such as "
"pre-rendered videos, extra languages or entire game modes will be broken. "
"This problem generally only exists in illegal copies of games."));
}
if (!m_volume.IsSizeAccurate())
{
AddProblem(Severity::Low, GetStringT("The format that the disc image is saved in does not "
"store the size of the disc image."));
}
else if (!m_is_tgc)
{
const Platform platform = m_volume.GetVolumeType();
const u64 size = m_volume.GetSize();
const bool valid_gamecube = size == MINI_DVD_SIZE;
const bool valid_retail_wii = size == SL_DVD_SIZE || size == DL_DVD_SIZE;
const bool valid_debug_wii = size == SL_DVD_R_SIZE || size == DL_DVD_R_SIZE;
const bool debug = IsDebugSigned();
if ((platform == Platform::GameCubeDisc && !valid_gamecube) ||
(platform == Platform::WiiDisc && (debug ? !valid_debug_wii : !valid_retail_wii)))
{
if (debug && valid_retail_wii)
{
AddProblem(Severity::Low,
GetStringT("This debug disc image has the size of a retail disc image."));
}
else
{
const bool small =
(m_volume.GetVolumeType() == Platform::GameCubeDisc && size < MINI_DVD_SIZE) ||
(m_volume.GetVolumeType() == Platform::WiiDisc && size < SL_DVD_SIZE);
if (small)
{
AddProblem(Severity::Low,
GetStringT("This disc image has an unusual size. This will likely make the "
"emulated loading times longer. When using NetPlay or sending "
"input recordings to other people, you will likely experience "
"desyncs if anyone is using a good dump."));
}
else
{
AddProblem(Severity::Low, GetStringT("This disc image has an unusual size."));
}
}
}
}
}
u64 VolumeVerifier::GetBiggestUsedOffset()
{
std::vector<Partition> partitions = m_volume.GetPartitions();
if (partitions.empty())
partitions.emplace_back(m_volume.GetGamePartition());
const u64 disc_header_size = m_volume.GetVolumeType() == Platform::GameCubeDisc ? 0x460 : 0x50000;
u64 biggest_offset = disc_header_size;
for (const Partition& partition : partitions)
{
if (partition != PARTITION_NONE)
{
const u64 offset = m_volume.PartitionOffsetToRawOffset(0x440, partition);
biggest_offset = std::max(biggest_offset, offset);
}
const std::optional<u64> dol_offset = GetBootDOLOffset(m_volume, partition);
if (dol_offset)
{
const std::optional<u64> dol_size = GetBootDOLSize(m_volume, partition, *dol_offset);
if (dol_size)
{
const u64 offset = m_volume.PartitionOffsetToRawOffset(*dol_offset + *dol_size, partition);
biggest_offset = std::max(biggest_offset, offset);
}
}
const std::optional<u64> fst_offset = GetFSTOffset(m_volume, partition);
const std::optional<u64> fst_size = GetFSTSize(m_volume, partition);
if (fst_offset && fst_size)
{
const u64 offset = m_volume.PartitionOffsetToRawOffset(*fst_offset + *fst_size, partition);
biggest_offset = std::max(biggest_offset, offset);
}
const FileSystem* fs = m_volume.GetFileSystem(partition);
if (fs)
{
const u64 offset =
m_volume.PartitionOffsetToRawOffset(GetBiggestUsedOffset(fs->GetRoot()), partition);
biggest_offset = std::max(biggest_offset, offset);
}
}
return biggest_offset;
}
u64 VolumeVerifier::GetBiggestUsedOffset(const FileInfo& file_info) const
{
if (file_info.IsDirectory())
{
u64 biggest_offset = 0;
for (const FileInfo& f : file_info)
biggest_offset = std::max(biggest_offset, GetBiggestUsedOffset(f));
return biggest_offset;
}
else
{
return file_info.GetOffset() + file_info.GetSize();
}
}
void VolumeVerifier::CheckMisc()
{
const std::string game_id_unencrypted = m_volume.GetGameID(PARTITION_NONE);
const std::string game_id_encrypted = m_volume.GetGameID(m_volume.GetGamePartition());
if (game_id_unencrypted != game_id_encrypted)
{
bool inconsistent_game_id = true;
if (game_id_encrypted == "RELSAB")
{
if (StringBeginsWith(game_id_unencrypted, "410"))
{
// This is the Wii Backup Disc (aka "pinkfish" disc),
// which legitimately has an inconsistent game ID.
inconsistent_game_id = false;
}
else if (StringBeginsWith(game_id_unencrypted, "010"))
{
// Hacked version of the Wii Backup Disc (aka "pinkfish" disc).
std::string proper_game_id = game_id_unencrypted;
proper_game_id[0] = '4';
AddProblem(Severity::Low,
StringFromFormat(GetStringT("The game ID is %s but should be %s.").c_str(),
game_id_unencrypted.c_str(), proper_game_id.c_str()));
inconsistent_game_id = false;
}
}
if (inconsistent_game_id)
{
AddProblem(Severity::Low, GetStringT("The game ID is inconsistent."));
}
}
const Region region = m_volume.GetRegion();
const Platform platform = m_volume.GetVolumeType();
if (game_id_encrypted.size() < 4)
{
AddProblem(Severity::Low, GetStringT("The game ID is unusually short."));
}
else
{
const char country_code = game_id_encrypted[3];
if (CountryCodeToRegion(country_code, platform, region) != region)
{
AddProblem(
Severity::Medium,
GetStringT("The region code does not match the game ID. If this is because the "
"region code has been modified, the game might run at the wrong speed, "
"graphical elements might be offset, or the game might not run at all."));
}
}
const IOS::ES::TMDReader& tmd = m_volume.GetTMD(m_volume.GetGamePartition());
if (tmd.IsValid())
{
const u64 ios_id = tmd.GetIOSId() & 0xFF;
// List of launch day Korean IOSes obtained from https://hackmii.com/2008/09/korean-wii/.
// More IOSes were released later that were used in Korean games, but they're all over 40.
// Also, old IOSes like IOS36 did eventually get released for Korean Wiis as part of system
// updates, but there are likely no Korean games using them since those IOSes were old by then.
if (region == Region::NTSC_K && ios_id < 40 && ios_id != 4 && ios_id != 9 && ios_id != 21 &&
ios_id != 37)
{
// This is intended to catch pirated Korean games that have had the IOS slot set to 36
// as a side effect of having to fakesign after changing the common key slot to 0.
// (IOS36 was the last IOS to have the Trucha bug.) https://bugs.dolphin-emu.org/issues/10319
AddProblem(Severity::High,
// i18n: You may want to leave the term "ERROR #002" untranslated,
// since the emulated software always displays it in English.
GetStringT("This Korean title is set to use an IOS that typically isn't used on "
"Korean consoles. This is likely to lead to ERROR #002."));
}
if (ios_id >= 0x80)
{
// This is also intended to catch fakesigned pirated Korean games,
// but this time with the IOS slot set to cIOS instead of IOS36.
AddProblem(Severity::High, GetStringT("This title is set to use an invalid IOS."));
}
}
const IOS::ES::TicketReader& ticket = m_volume.GetTicket(m_volume.GetGamePartition());
if (ticket.IsValid())
{
const u8 common_key = ticket.GetCommonKeyIndex();
if (common_key > 1)
{
// Many fakesigned WADs have the common key index set to a (random?) bogus value.
// For WADs, Dolphin will detect this and use common key 0 instead, making this low severity.
const Severity severity =
m_volume.GetVolumeType() == Platform::WiiWAD ? Severity::Low : Severity::High;
// i18n: This is "common" as in "shared", not the opposite of "uncommon"
AddProblem(Severity::Low, GetStringT("This title is set to use an invalid common key."));
}
if (common_key == 1 && region != Region::NTSC_K)
{
// Apparently a certain pirate WAD of Chronos Twins DX unluckily got an index of 1,
// which Dolphin does not change to 0 because 1 is valid on Korean Wiis.
// https://forums.dolphin-emu.org/Thread-wiiware-chronos-twins-dx
AddProblem(Severity::High,
// i18n: This is "common" as in "shared", not the opposite of "uncommon"
GetStringT("This non-Korean title is set to use the Korean common key."));
}
}
if (IsDisc(m_volume.GetVolumeType()))
{
constexpr u32 NKIT_MAGIC = 0x4E4B4954; // "NKIT"
if (m_volume.ReadSwapped<u32>(0x200, PARTITION_NONE) == NKIT_MAGIC)
{
AddProblem(Severity::Low,
GetStringT("This disc image is in the NKit format. It is not a good dump in its "
"current form, but it might become a good dump if converted back. "
"The CRC32 of this file might match the CRC32 of a good dump even "
"though the files are not identical."));
}
}
}
void VolumeVerifier::SetUpHashing()
{
if (m_volume.GetVolumeType() == Platform::WiiWAD)
{
m_content_offsets = m_volume.GetContentOffsets();
}
else if (m_volume.GetVolumeType() == Platform::WiiDisc)
{
// Set up a DiscScrubber for checking whether blocks with errors are unused
m_scrubber.SetupScrub(&m_volume, VolumeWii::BLOCK_TOTAL_SIZE);
}
std::sort(m_blocks.begin(), m_blocks.end(),
[](const BlockToVerify& b1, const BlockToVerify& b2) { return b1.offset < b2.offset; });
if (m_hashes_to_calculate.crc32)
m_crc32_context = crc32(0, nullptr, 0);
if (m_hashes_to_calculate.md5)
{
mbedtls_md5_init(&m_md5_context);
mbedtls_md5_starts(&m_md5_context);
}
if (m_hashes_to_calculate.sha1)
{
mbedtls_sha1_init(&m_sha1_context);
mbedtls_sha1_starts(&m_sha1_context);
}
}
void VolumeVerifier::Process()
{
ASSERT(m_started);
ASSERT(!m_done);
if (m_progress == m_max_progress)
return;
IOS::ES::Content content;
bool content_read = false;
u64 bytes_to_read = BLOCK_SIZE;
if (m_content_index < m_content_offsets.size() &&
m_content_offsets[m_content_index] == m_progress)
{
m_volume.GetTMD(PARTITION_NONE).GetContent(m_content_index, &content);
bytes_to_read = Common::AlignUp(content.size, 0x40);
content_read = true;
}
else if (m_content_index < m_content_offsets.size() &&
m_content_offsets[m_content_index] > m_progress)
{
bytes_to_read = std::min(bytes_to_read, m_content_offsets[m_content_index] - m_progress);
}
else if (m_block_index < m_blocks.size() && m_blocks[m_block_index].offset == m_progress)
{
bytes_to_read = VolumeWii::BLOCK_TOTAL_SIZE;
}
else if (m_block_index < m_blocks.size() && m_blocks[m_block_index].offset > m_progress)
{
bytes_to_read = std::min(bytes_to_read, m_blocks[m_block_index].offset - m_progress);
}
bytes_to_read = std::min(bytes_to_read, m_max_progress - m_progress);
if (m_calculating_any_hash)
{
std::vector<u8> data(bytes_to_read);
if (!m_volume.Read(m_progress, bytes_to_read, data.data(), PARTITION_NONE))
{
m_calculating_any_hash = false;
}
else
{
if (m_hashes_to_calculate.crc32)
{
// It would be nice to use crc32_z here instead of crc32, but it isn't available on Android
m_crc32_context =
crc32(m_crc32_context, data.data(), static_cast<unsigned int>(bytes_to_read));
}
if (m_hashes_to_calculate.md5)
mbedtls_md5_update(&m_md5_context, data.data(), bytes_to_read);
if (m_hashes_to_calculate.sha1)
mbedtls_sha1_update(&m_sha1_context, data.data(), bytes_to_read);
}
}
m_progress += bytes_to_read;
if (content_read)
{
if (!CheckContentIntegrity(content))
{
AddProblem(Severity::High,
StringFromFormat(GetStringT("Content %08x is corrupt.").c_str(), content.id));
}
m_content_index++;
}
while (m_block_index < m_blocks.size() && m_blocks[m_block_index].offset < m_progress)
{
if (!m_volume.CheckBlockIntegrity(m_blocks[m_block_index].block_index,
m_blocks[m_block_index].partition))
{
const u64 offset = m_blocks[m_block_index].offset;
if (m_scrubber.CanBlockBeScrubbed(offset))
{
WARN_LOG(DISCIO, "Integrity check failed for unused block at 0x%" PRIx64, offset);
m_unused_block_errors[m_blocks[m_block_index].partition]++;
}
else
{
WARN_LOG(DISCIO, "Integrity check failed for block at 0x%" PRIx64, offset);
m_block_errors[m_blocks[m_block_index].partition]++;
}
}
m_block_index++;
}
}
bool VolumeVerifier::CheckContentIntegrity(const IOS::ES::Content& content)
{
const u64 padded_size = Common::AlignUp(content.size, 0x40);
std::vector<u8> encrypted_data(padded_size);
m_volume.Read(m_content_offsets[m_content_index], padded_size, encrypted_data.data(),
PARTITION_NONE);
mbedtls_aes_context context;
const std::array<u8, 16> key = m_volume.GetTicket(PARTITION_NONE).GetTitleKey();
mbedtls_aes_setkey_dec(&context, key.data(), 128);
std::array<u8, 16> iv{};
iv[0] = static_cast<u8>(content.index >> 8);
iv[1] = static_cast<u8>(content.index & 0xFF);
std::vector<u8> decrypted_data(padded_size);
mbedtls_aes_crypt_cbc(&context, MBEDTLS_AES_DECRYPT, padded_size, iv.data(),
encrypted_data.data(), decrypted_data.data());
std::array<u8, 20> sha1;
mbedtls_sha1(decrypted_data.data(), content.size, sha1.data());
return sha1 == content.sha1;
}
u64 VolumeVerifier::GetBytesProcessed() const
{
return m_progress;
}
u64 VolumeVerifier::GetTotalBytes() const
{
return m_max_progress;
}
void VolumeVerifier::Finish()
{
if (m_done)
return;
m_done = true;
if (m_calculating_any_hash)
{
if (m_hashes_to_calculate.crc32)
{
m_result.hashes.crc32 = std::vector<u8>(4);
const u32 crc32_be = Common::swap32(m_crc32_context);
const u8* crc32_be_ptr = reinterpret_cast<const u8*>(&crc32_be);
std::copy(crc32_be_ptr, crc32_be_ptr + 4, m_result.hashes.crc32.begin());
}
if (m_hashes_to_calculate.md5)
{
m_result.hashes.md5 = std::vector<u8>(16);
mbedtls_md5_finish(&m_md5_context, m_result.hashes.md5.data());
}
if (m_hashes_to_calculate.sha1)
{
m_result.hashes.sha1 = std::vector<u8>(20);
mbedtls_sha1_finish(&m_sha1_context, m_result.hashes.sha1.data());
}
}
for (auto pair : m_block_errors)
{
if (pair.second > 0)
{
const std::string name = GetPartitionName(m_volume.GetPartitionType(pair.first));
const std::string text = StringFromFormat(
GetStringT("Errors were found in %zu blocks in the %s partition.").c_str(), pair.second,
name.c_str());
AddProblem(Severity::Medium, text);
}
}
for (auto pair : m_unused_block_errors)
{
if (pair.second > 0)
{
const std::string name = GetPartitionName(m_volume.GetPartitionType(pair.first));
const std::string text = StringFromFormat(
GetStringT("Errors were found in %zu unused blocks in the %s partition.").c_str(),
pair.second, name.c_str());
AddProblem(Severity::Low, text);
}
}
// Show the most serious problems at the top
std::stable_sort(m_result.problems.begin(), m_result.problems.end(),
[](const Problem& p1, const Problem& p2) { return p1.severity > p2.severity; });
const Severity highest_severity =
m_result.problems.empty() ? Severity::None : m_result.problems[0].severity;
if (m_is_datel)
{
m_result.summary_text = GetStringT("Dolphin is unable to verify unlicensed discs.");
return;
}
if (m_is_tgc)
{
m_result.summary_text = GetStringT("Dolphin is unable to verify typical TGC files properly, "
"since they are not dumps of actual discs.");
return;
}
switch (highest_severity)
{
case Severity::None:
if (IsWii(m_volume.GetVolumeType()) && !m_is_not_retail)
{
m_result.summary_text =
GetStringT("No problems were found. This does not guarantee that this is a good dump, "
"but since Wii titles contain a lot of verification data, it does mean that "
"there most likely are no problems that will affect emulation.");
}
else
{
m_result.summary_text = GetStringT("No problems were found.");
}
break;
case Severity::Low:
m_result.summary_text = GetStringT("Problems with low severity were found. They will most "
"likely not prevent the game from running.");
break;
case Severity::Medium:
m_result.summary_text = GetStringT("Problems with medium severity were found. The whole game "
"or certain parts of the game might not work correctly.");
break;
case Severity::High:
m_result.summary_text = GetStringT(
"Problems with high severity were found. The game will most likely not work at all.");
break;
}
if (m_volume.GetVolumeType() == Platform::GameCubeDisc)
{
m_result.summary_text +=
GetStringT("\n\nBecause GameCube disc images contain little verification data, "
"there may be problems that Dolphin is unable to detect.");
}
else if (m_is_not_retail)
{
m_result.summary_text += GetStringT("\n\nBecause this title is not for retail Wii consoles, "
"Dolphin cannot verify that it hasn't been tampered with.");
}
}
const VolumeVerifier::Result& VolumeVerifier::GetResult() const
{
return m_result;
}
void VolumeVerifier::AddProblem(Severity severity, const std::string& text)
{
m_result.problems.emplace_back(Problem{severity, text});
}
} // namespace DiscIO

134
Source/Core/DiscIO/VolumeVerifier.h Normal file
View file

@ -0,0 +1,134 @@
// Copyright 2019 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <map>
#include <optional>
#include <string>
#include <vector>
#include <mbedtls/md5.h>
#include <mbedtls/sha1.h>
#include "Common/CommonTypes.h"
#include "DiscIO/DiscScrubber.h"
#include "DiscIO/Volume.h"
// To be used as follows:
//
// VolumeVerifier verifier(volume);
// verifier.Start();
// while (verifier.GetBytesProcessed() != verifier.GetTotalBytes())
// verifier.Process();
// verifier.Finish();
// auto result = verifier.GetResult();
//
// Start, Process and Finish may take some time to run.
//
// GetResult() can be called before the processing is finished, but the result will be incomplete.
namespace IOS::ES
{
struct Content;
class SignedBlobReader;
}
namespace DiscIO
{
class FileInfo;
class VolumeVerifier final
{
public:
enum class Severity
{
None, // Only used internally
Low,
Medium,
High,
};
struct Problem
{
Severity severity;
std::string text;
};
template <typename T>
struct Hashes
{
T crc32;
T md5;
T sha1;
};
struct Result
{
Hashes<std::vector<u8>> hashes;
std::string summary_text;
std::vector<Problem> problems;
};
VolumeVerifier(const Volume& volume, Hashes<bool> hashes_to_calculate);
void Start();
void Process();
u64 GetBytesProcessed() const;
u64 GetTotalBytes() const;
void Finish();
const Result& GetResult() const;
private:
struct BlockToVerify
{
Partition partition;
u64 offset;
u64 block_index;
};
void CheckPartitions();
bool CheckPartition(const Partition& partition); // Returns false if partition should be ignored
std::string GetPartitionName(std::optional<u32> type) const;
void CheckCorrectlySigned(const Partition& partition, const std::string& error_text);
bool IsDebugSigned() const;
bool ShouldHaveChannelPartition() const;
bool ShouldHaveInstallPartition() const;
bool ShouldHaveMasterpiecePartitions() const;
bool ShouldBeDualLayer() const;
void CheckDiscSize();
u64 GetBiggestUsedOffset();
u64 GetBiggestUsedOffset(const FileInfo& file_info) const;
void CheckMisc();
void SetUpHashing();
bool CheckContentIntegrity(const IOS::ES::Content& content);
void AddProblem(Severity severity, const std::string& text);
const Volume& m_volume;
Result m_result;
bool m_is_tgc;
bool m_is_datel;
bool m_is_not_retail;
Hashes<bool> m_hashes_to_calculate;
bool m_calculating_any_hash;
unsigned long m_crc32_context;
mbedtls_md5_context m_md5_context;
mbedtls_sha1_context m_sha1_context;
DiscScrubber m_scrubber;
std::vector<u64> m_content_offsets;
u16 m_content_index = 0;
std::vector<BlockToVerify> m_blocks;
size_t m_block_index = 0; // Index in m_blocks, not index in a specific partition
std::map<Partition, size_t> m_block_errors;
std::map<Partition, size_t> m_unused_block_errors;
bool m_started;
bool m_done;
u64 m_progress;
u64 m_max_progress;
};
} // namespace DiscIO

58
Source/Core/DiscIO/VolumeWad.cpp
View file

@ -32,16 +32,20 @@ VolumeWAD::VolumeWAD(std::unique_ptr<BlobReader> reader) : m_reader(std::move(re
// Source: http://wiibrew.org/wiki/WAD_files
m_hdr_size = m_reader->ReadSwapped<u32>(0x00).value_or(0);
m_cert_size = m_reader->ReadSwapped<u32>(0x08).value_or(0);
m_tick_size = m_reader->ReadSwapped<u32>(0x10).value_or(0);
m_cert_chain_size = m_reader->ReadSwapped<u32>(0x08).value_or(0);
m_ticket_size = m_reader->ReadSwapped<u32>(0x10).value_or(0);
m_tmd_size = m_reader->ReadSwapped<u32>(0x14).value_or(0);
m_data_size = m_reader->ReadSwapped<u32>(0x18).value_or(0);
m_offset = Common::AlignUp(m_hdr_size, 0x40) + Common::AlignUp(m_cert_size, 0x40);
m_tmd_offset = Common::AlignUp(m_hdr_size, 0x40) + Common::AlignUp(m_cert_size, 0x40) +
Common::AlignUp(m_tick_size, 0x40);
m_opening_bnr_offset =
m_tmd_offset + Common::AlignUp(m_tmd_size, 0x40) + Common::AlignUp(m_data_size, 0x40);
m_cert_chain_offset = Common::AlignUp(m_hdr_size, 0x40);
m_ticket_offset = m_cert_chain_offset + Common::AlignUp(m_cert_chain_size, 0x40);
m_tmd_offset = m_ticket_offset + Common::AlignUp(m_ticket_size, 0x40);
m_data_offset = m_tmd_offset + Common::AlignUp(m_tmd_size, 0x40);
m_opening_bnr_offset = m_data_offset + Common::AlignUp(m_data_size, 0x40);
std::vector<u8> ticket_buffer(m_ticket_size);
Read(m_ticket_offset, m_ticket_size, ticket_buffer.data());
m_ticket.SetBytes(std::move(ticket_buffer));
if (!IOS::ES::IsValidTMDSize(m_tmd_size))
{
@ -52,6 +56,9 @@ VolumeWAD::VolumeWAD(std::unique_ptr<BlobReader> reader) : m_reader(std::move(re
std::vector<u8> tmd_buffer(m_tmd_size);
Read(m_tmd_offset, m_tmd_size, tmd_buffer.data());
m_tmd.SetBytes(std::move(tmd_buffer));
m_cert_chain.resize(m_cert_chain_size);
Read(m_cert_chain_offset, m_cert_chain_size, m_cert_chain.data());
}
VolumeWAD::~VolumeWAD()
@ -89,10 +96,16 @@ Country VolumeWAD::GetCountry(const Partition& partition) const
return TypicalCountryForRegion(GetSysMenuRegion(m_tmd.GetTitleVersion()));
const Region region = GetRegion();
if (CountryCodeToRegion(country_byte, Platform::WiiWAD, region) != region)
const std::optional<u16> revision = GetRevision();
if (CountryCodeToRegion(country_byte, Platform::WiiWAD, region, revision) != region)
return TypicalCountryForRegion(region);
return CountryCodeToCountry(country_byte, Platform::WiiWAD, region);
return CountryCodeToCountry(country_byte, Platform::WiiWAD, region, revision);
}
const IOS::ES::TicketReader& VolumeWAD::GetTicket(const Partition& partition) const
{
return m_ticket;
}
const IOS::ES::TMDReader& VolumeWAD::GetTMD(const Partition& partition) const
@ -100,6 +113,26 @@ const IOS::ES::TMDReader& VolumeWAD::GetTMD(const Partition& partition) const
return m_tmd;
}
const std::vector<u8>& VolumeWAD::GetCertificateChain(const Partition& partition) const
{
return m_cert_chain;
}
std::vector<u64> VolumeWAD::GetContentOffsets() const
{
const std::vector<IOS::ES::Content> contents = m_tmd.GetContents();
std::vector<u64> content_offsets;
content_offsets.reserve(contents.size());
u64 offset = m_data_offset;
for (const IOS::ES::Content& content : contents)
{
content_offsets.emplace_back(offset);
offset += Common::AlignUp(content.size, 0x40);
}
return content_offsets;
}
std::string VolumeWAD::GetGameID(const Partition& partition) const
{
return m_tmd.GetGameID();
@ -126,7 +159,7 @@ std::string VolumeWAD::GetMakerID(const Partition& partition) const
std::optional<u64> VolumeWAD::GetTitleID(const Partition& partition) const
{
return ReadSwapped<u64>(m_offset + 0x01DC, partition);
return ReadSwapped<u64>(m_ticket_offset + 0x01DC, partition);
}
std::optional<u16> VolumeWAD::GetRevision(const Partition& partition) const
@ -175,6 +208,11 @@ u64 VolumeWAD::GetSize() const
return m_reader->GetDataSize();
}
bool VolumeWAD::IsSizeAccurate() const
{
return m_reader->IsDataSizeAccurate();
}
u64 VolumeWAD::GetRawSize() const
{
return m_reader->GetRawSize();

16
Source/Core/DiscIO/VolumeWad.h
View file

@ -33,7 +33,12 @@ public:
const Partition& partition = PARTITION_NONE) const override;
const FileSystem* GetFileSystem(const Partition& partition = PARTITION_NONE) const override;
std::optional<u64> GetTitleID(const Partition& partition = PARTITION_NONE) const override;
const IOS::ES::TicketReader&
GetTicket(const Partition& partition = PARTITION_NONE) const override;
const IOS::ES::TMDReader& GetTMD(const Partition& partition = PARTITION_NONE) const override;
const std::vector<u8>&
GetCertificateChain(const Partition& partition = PARTITION_NONE) const override;
std::vector<u64> GetContentOffsets() const override;
std::string GetGameID(const Partition& partition = PARTITION_NONE) const override;
std::string GetGameTDBID(const Partition& partition = PARTITION_NONE) const override;
std::string GetMakerID(const Partition& partition = PARTITION_NONE) const override;
@ -54,17 +59,22 @@ public:
BlobType GetBlobType() const override;
u64 GetSize() const override;
bool IsSizeAccurate() const override;
u64 GetRawSize() const override;
private:
std::unique_ptr<BlobReader> m_reader;
IOS::ES::TicketReader m_ticket;
IOS::ES::TMDReader m_tmd;
u32 m_offset = 0;
std::vector<u8> m_cert_chain;
u32 m_cert_chain_offset = 0;
u32 m_ticket_offset = 0;
u32 m_tmd_offset = 0;
u32 m_data_offset = 0;
u32 m_opening_bnr_offset = 0;
u32 m_hdr_size = 0;
u32 m_cert_size = 0;
u32 m_tick_size = 0;
u32 m_cert_chain_size = 0;
u32 m_ticket_size = 0;
u32 m_tmd_size = 0;
u32 m_data_size = 0;
};

169
Source/Core/DiscIO/VolumeWii.cpp
View file

@ -97,6 +97,31 @@ VolumeWii::VolumeWii(std::unique_ptr<BlobReader> reader)
return IOS::ES::TMDReader{std::move(tmd_buffer)};
};
auto get_cert_chain = [this, partition]() -> std::vector<u8> {
const std::optional<u32> size = m_reader->ReadSwapped<u32>(partition.offset + 0x2ac);
const std::optional<u64> address =
ReadSwappedAndShifted(partition.offset + 0x2b0, PARTITION_NONE);
if (!size || !address)
return {};
std::vector<u8> cert_chain(*size);
if (!m_reader->Read(partition.offset + *address, *size, cert_chain.data()))
return {};
return cert_chain;
};
auto get_h3_table = [this, partition]() -> std::vector<u8> {
if (!m_encrypted)
return {};
const std::optional<u64> h3_table_offset =
ReadSwappedAndShifted(partition.offset + 0x2b4, PARTITION_NONE);
if (!h3_table_offset)
return {};
std::vector<u8> h3_table(H3_TABLE_SIZE);
if (!m_reader->Read(partition.offset + *h3_table_offset, H3_TABLE_SIZE, h3_table.data()))
return {};
return h3_table;
};
auto get_key = [this, partition]() -> std::unique_ptr<mbedtls_aes_context> {
const IOS::ES::TicketReader& ticket = *m_partitions[partition].ticket;
if (!ticket.IsValid())
@ -120,6 +145,8 @@ VolumeWii::VolumeWii(std::unique_ptr<BlobReader> reader)
partition, PartitionDetails{Common::Lazy<std::unique_ptr<mbedtls_aes_context>>(get_key),
Common::Lazy<IOS::ES::TicketReader>(get_ticket),
Common::Lazy<IOS::ES::TMDReader>(get_tmd),
Common::Lazy<std::vector<u8>>(get_cert_chain),
Common::Lazy<std::vector<u8>>(get_h3_table),
Common::Lazy<std::unique_ptr<FileSystem>>(get_file_system),
Common::Lazy<u64>(get_data_offset), *partition_type});
}
@ -239,6 +266,12 @@ const IOS::ES::TMDReader& VolumeWii::GetTMD(const Partition& partition) const
return it != m_partitions.end() ? *it->second.tmd : INVALID_TMD;
}
const std::vector<u8>& VolumeWii::GetCertificateChain(const Partition& partition) const
{
auto it = m_partitions.find(partition);
return it != m_partitions.end() ? *it->second.cert_chain : INVALID_CERT_CHAIN;
}
const FileSystem* VolumeWii::GetFileSystem(const Partition& partition) const
{
auto it = m_partitions.find(partition);
@ -297,11 +330,12 @@ Country VolumeWii::GetCountry(const Partition& partition) const
// The 0 that we use as a default value is mapped to Country::Unknown and Region::Unknown
const u8 country_byte = ReadSwapped<u8>(3, partition).value_or(0);
const Region region = GetRegion();
const std::optional<u16> revision = GetRevision();
if (CountryCodeToRegion(country_byte, Platform::WiiDisc, region) != region)
if (CountryCodeToRegion(country_byte, Platform::WiiDisc, region, revision) != region)
return TypicalCountryForRegion(region);
return CountryCodeToCountry(country_byte, Platform::WiiDisc, region);
return CountryCodeToCountry(country_byte, Platform::WiiDisc, region, revision);
}
std::string VolumeWii::GetMakerID(const Partition& partition) const
@ -379,88 +413,95 @@ u64 VolumeWii::GetSize() const
return m_reader->GetDataSize();
}
bool VolumeWii::IsSizeAccurate() const
{
return m_reader->IsDataSizeAccurate();
}
u64 VolumeWii::GetRawSize() const
{
return m_reader->GetRawSize();
}
bool VolumeWii::CheckIntegrity(const Partition& partition) const
bool VolumeWii::CheckH3TableIntegrity(const Partition& partition) const
{
if (!m_encrypted)
return false;
// Get the decryption key for the partition
auto it = m_partitions.find(partition);
if (it == m_partitions.end())
return false;
const PartitionDetails& partition_details = it->second;
const std::vector<u8>& h3_table = *partition_details.h3_table;
if (h3_table.size() != H3_TABLE_SIZE)
return false;
const IOS::ES::TMDReader& tmd = *partition_details.tmd;
if (!tmd.IsValid())
return false;
const std::vector<IOS::ES::Content> contents = tmd.GetContents();
if (contents.size() != 1)
return false;
std::array<u8, 20> h3_table_sha1;
mbedtls_sha1(h3_table.data(), h3_table.size(), h3_table_sha1.data());
return h3_table_sha1 == contents[0].sha1;
}
bool VolumeWii::CheckBlockIntegrity(u64 block_index, const Partition& partition) const
{
auto it = m_partitions.find(partition);
if (it == m_partitions.end())
return false;
const PartitionDetails& partition_details = it->second;
constexpr size_t SHA1_SIZE = 20;
if (block_index / 64 * SHA1_SIZE >= partition_details.h3_table->size())
return false;
mbedtls_aes_context* aes_context = partition_details.key->get();
if (!aes_context)
return false;
// Get partition data size
const auto part_data_size = ReadSwappedAndShifted(partition.offset + 0x2BC, PARTITION_NONE);
if (!part_data_size)
const u64 cluster_offset =
partition.offset + *partition_details.data_offset + block_index * BLOCK_TOTAL_SIZE;
// Read and decrypt the cluster metadata
u8 cluster_metadata_crypted[BLOCK_HEADER_SIZE];
u8 cluster_metadata[BLOCK_HEADER_SIZE];
u8 iv[16] = {0};
if (!m_reader->Read(cluster_offset, BLOCK_HEADER_SIZE, cluster_metadata_crypted))
return false;
mbedtls_aes_crypt_cbc(aes_context, MBEDTLS_AES_DECRYPT, BLOCK_HEADER_SIZE, iv,
cluster_metadata_crypted, cluster_metadata);
u8 cluster_data[BLOCK_DATA_SIZE];
if (!Read(block_index * BLOCK_DATA_SIZE, BLOCK_DATA_SIZE, cluster_data, partition))
return false;
const u32 num_clusters = static_cast<u32>(part_data_size.value() / 0x8000);
for (u32 cluster_id = 0; cluster_id < num_clusters; ++cluster_id)
for (u32 hash_index = 0; hash_index < 31; ++hash_index)
{
const u64 cluster_offset =
partition.offset + *partition_details.data_offset + static_cast<u64>(cluster_id) * 0x8000;
// Read and decrypt the cluster metadata
u8 cluster_metadata_crypted[0x400];
u8 cluster_metadata[0x400];
u8 iv[16] = {0};
if (!m_reader->Read(cluster_offset, sizeof(cluster_metadata_crypted), cluster_metadata_crypted))
{
WARN_LOG(DISCIO, "Integrity Check: fail at cluster %d: could not read metadata", cluster_id);
u8 h0_hash[SHA1_SIZE];
mbedtls_sha1(cluster_data + hash_index * 0x400, 0x400, h0_hash);
if (memcmp(h0_hash, cluster_metadata + hash_index * SHA1_SIZE, SHA1_SIZE))
return false;
}
mbedtls_aes_crypt_cbc(aes_context, MBEDTLS_AES_DECRYPT, sizeof(cluster_metadata), iv,
cluster_metadata_crypted, cluster_metadata);
// Some clusters have invalid data and metadata because they aren't
// meant to be read by the game (for example, holes between files). To
// try to avoid reporting errors because of these clusters, we check
// the 0x00 paddings in the metadata.
//
// This may cause some false negatives though: some bad clusters may be
// skipped because they are *too* bad and are not even recognized as
// valid clusters. To be improved.
const u8* pad_begin = cluster_metadata + 0x26C;
const u8* pad_end = pad_begin + 0x14;
const bool meaningless = std::any_of(pad_begin, pad_end, [](u8 val) { return val != 0; });
if (meaningless)
continue;
u8 cluster_data[0x7C00];
if (!Read(cluster_id * sizeof(cluster_data), sizeof(cluster_data), cluster_data, partition))
{
WARN_LOG(DISCIO, "Integrity Check: fail at cluster %d: could not read data", cluster_id);
return false;
}
for (u32 hash_id = 0; hash_id < 31; ++hash_id)
{
u8 hash[20];
mbedtls_sha1(cluster_data + hash_id * sizeof(cluster_metadata), sizeof(cluster_metadata),
hash);
// Note that we do not use strncmp here
if (memcmp(hash, cluster_metadata + hash_id * sizeof(hash), sizeof(hash)))
{
WARN_LOG(DISCIO, "Integrity Check: fail at cluster %d: hash %d is invalid", cluster_id,
hash_id);
return false;
}
}
}
u8 h1_hash[SHA1_SIZE];
mbedtls_sha1(cluster_metadata, SHA1_SIZE * 31, h1_hash);
if (memcmp(h1_hash, cluster_metadata + 0x280 + (block_index % 8) * SHA1_SIZE, SHA1_SIZE))
return false;
u8 h2_hash[SHA1_SIZE];
mbedtls_sha1(cluster_metadata + 0x280, SHA1_SIZE * 8, h2_hash);
if (memcmp(h2_hash, cluster_metadata + 0x340 + (block_index / 8 % 8) * SHA1_SIZE, SHA1_SIZE))
return false;
u8 h3_hash[SHA1_SIZE];
mbedtls_sha1(cluster_metadata + 0x340, SHA1_SIZE * 8, h3_hash);
if (memcmp(h3_hash, partition_details.h3_table->data() + block_index / 64 * SHA1_SIZE, SHA1_SIZE))
return false;
return true;
}
} // namespace
} // namespace DiscIO

25
Source/Core/DiscIO/VolumeWii.h
View file

@ -40,30 +40,35 @@ public:
std::optional<u64> GetTitleID(const Partition& partition) const override;
const IOS::ES::TicketReader& GetTicket(const Partition& partition) const override;
const IOS::ES::TMDReader& GetTMD(const Partition& partition) const override;
const std::vector<u8>& GetCertificateChain(const Partition& partition) const override;
const FileSystem* GetFileSystem(const Partition& partition) const override;
static u64 EncryptedPartitionOffsetToRawOffset(u64 offset, const Partition& partition,
u64 partition_data_offset);
u64 PartitionOffsetToRawOffset(u64 offset, const Partition& partition) const override;
std::string GetGameID(const Partition& partition) const override;
std::string GetGameTDBID(const Partition& partition) const override;
std::string GetMakerID(const Partition& partition) const override;
std::optional<u16> GetRevision(const Partition& partition) const override;
std::string GetInternalName(const Partition& partition) const override;
std::string GetGameID(const Partition& partition = PARTITION_NONE) const override;
std::string GetGameTDBID(const Partition& partition = PARTITION_NONE) const override;
std::string GetMakerID(const Partition& partition = PARTITION_NONE) const override;
std::optional<u16> GetRevision(const Partition& partition = PARTITION_NONE) const override;
std::string GetInternalName(const Partition& partition = PARTITION_NONE) const override;
std::map<Language, std::string> GetLongNames() const override;
std::vector<u32> GetBanner(u32* width, u32* height) const override;
std::string GetApploaderDate(const Partition& partition) const override;
std::optional<u8> GetDiscNumber(const Partition& partition) const override;
std::optional<u8> GetDiscNumber(const Partition& partition = PARTITION_NONE) const override;
Platform GetVolumeType() const override;
bool SupportsIntegrityCheck() const override { return true; }
bool CheckIntegrity(const Partition& partition) const override;
bool SupportsIntegrityCheck() const override { return m_encrypted; }
bool CheckH3TableIntegrity(const Partition& partition) const override;
bool CheckBlockIntegrity(u64 block_index, const Partition& partition) const override;
Region GetRegion() const override;
Country GetCountry(const Partition& partition) const override;
Country GetCountry(const Partition& partition = PARTITION_NONE) const override;
BlobType GetBlobType() const override;
u64 GetSize() const override;
bool IsSizeAccurate() const override;
u64 GetRawSize() const override;
static constexpr unsigned int H3_TABLE_SIZE = 0x18000;
static constexpr unsigned int BLOCK_HEADER_SIZE = 0x0400;
static constexpr unsigned int BLOCK_DATA_SIZE = 0x7C00;
static constexpr unsigned int BLOCK_TOTAL_SIZE = BLOCK_HEADER_SIZE + BLOCK_DATA_SIZE;
@ -77,6 +82,8 @@ private:
Common::Lazy<std::unique_ptr<mbedtls_aes_context>> key;
Common::Lazy<IOS::ES::TicketReader> ticket;
Common::Lazy<IOS::ES::TMDReader> tmd;
Common::Lazy<std::vector<u8>> cert_chain;
Common::Lazy<std::vector<u8>> h3_table;
Common::Lazy<std::unique_ptr<FileSystem>> file_system;
Common::Lazy<u64> data_offset;
u32 type;

3
Source/Core/DiscIO/WbfsBlob.h
View file

@ -24,12 +24,13 @@ public:
static std::unique_ptr<WbfsFileReader> Create(File::IOFile file, const std::string& path);
BlobType GetBlobType() const override { return BlobType::WBFS; }
u64 GetRawSize() const override { return m_size; }
// The WBFS format does not save the original file size.
// This function returns a constant upper bound
// (the size of a double-layer Wii disc).
u64 GetDataSize() const override;
bool IsDataSizeAccurate() const override { return false; }
u64 GetRawSize() const override { return m_size; }
bool Read(u64 offset, u64 nbytes, u8* out_ptr) override;
private:

1
Source/Core/DolphinQt/CMakeLists.txt
View file

@ -76,6 +76,7 @@ add_executable(dolphin-emu
Config/PatchesWidget.cpp
Config/PropertiesDialog.cpp
Config/SettingsWindow.cpp
Config/VerifyWidget.cpp
Debugger/BreakpointWidget.cpp
Debugger/CodeViewWidget.cpp
Debugger/CodeWidget.cpp

45
Source/Core/DolphinQt/Config/FilesystemWidget.cpp
View file

@ -40,8 +40,8 @@ enum class EntryType
};
Q_DECLARE_METATYPE(EntryType);
FilesystemWidget::FilesystemWidget(const UICommon::GameFile& game)
: m_game(game), m_volume(DiscIO::CreateVolumeFromFilename(game.GetFilePath()))
FilesystemWidget::FilesystemWidget(std::shared_ptr<DiscIO::Volume> volume)
: m_volume(std::move(volume))
{
CreateWidgets();
ConnectWidgets();
@ -225,8 +225,7 @@ void FilesystemWidget::ShowContextMenu(const QPoint&)
{
if (const std::optional<u32> partition_type = m_volume->GetPartitionType(p))
{
const std::string partition_name =
DiscIO::DirectoryNameForPartitionType(*partition_type);
const std::string partition_name = DiscIO::NameForPartitionType(*partition_type, true);
ExtractPartition(p, folder + QChar(u'/') + QString::fromStdString(partition_name));
}
}
@ -239,12 +238,6 @@ void FilesystemWidget::ShowContextMenu(const QPoint&)
if (!folder.isEmpty())
ExtractPartition(partition, folder);
});
if (m_volume->IsEncryptedAndHashed())
{
menu->addSeparator();
menu->addAction(tr("Check Partition Integrity"), this,
[this, partition] { CheckIntegrity(partition); });
}
break;
case EntryType::File:
menu->addAction(tr("Extract File..."), this, [this, partition, path] {
@ -328,35 +321,3 @@ void FilesystemWidget::ExtractFile(const DiscIO::Partition& partition, const QSt
else
ModalMessageBox::critical(this, tr("Error"), tr("Failed to extract file."));
}
void FilesystemWidget::CheckIntegrity(const DiscIO::Partition& partition)
{
QProgressDialog* dialog = new QProgressDialog(this);
std::future<bool> is_valid = std::async(
std::launch::async, [this, partition] { return m_volume->CheckIntegrity(partition); });
dialog->setLabelText(tr("Verifying integrity of partition..."));
dialog->setWindowFlags(dialog->windowFlags() & ~Qt::WindowContextHelpButtonHint);
dialog->setWindowTitle(tr("Verifying partition"));
dialog->setMinimum(0);
dialog->setMaximum(0);
dialog->show();
while (is_valid.wait_for(std::chrono::milliseconds(50)) != std::future_status::ready)
QCoreApplication::processEvents();
dialog->close();
if (is_valid.get())
{
ModalMessageBox::information(this, tr("Success"),
tr("Integrity check completed. No errors have been found."));
}
else
{
ModalMessageBox::critical(this, tr("Error"),
tr("Integrity check for partition failed. The disc image is most "
"likely corrupted or has been patched incorrectly."));
}
}

8
Source/Core/DolphinQt/Config/FilesystemWidget.h
View file

@ -8,8 +8,6 @@
#include <QIcon>
#include <memory>
#include "UICommon/GameFile.h"
class QStandardItem;
class QStandardItemModel;
class QTreeView;
@ -26,7 +24,7 @@ class FilesystemWidget final : public QWidget
{
Q_OBJECT
public:
explicit FilesystemWidget(const UICommon::GameFile& game);
explicit FilesystemWidget(std::shared_ptr<DiscIO::Volume> volume);
~FilesystemWidget() override;
private:
@ -45,15 +43,13 @@ private:
const QString& out);
void ExtractFile(const DiscIO::Partition& partition, const QString& path, const QString& out);
bool ExtractSystemData(const DiscIO::Partition& partition, const QString& out);
void CheckIntegrity(const DiscIO::Partition& partition);
DiscIO::Partition GetPartitionFromID(int id);
QStandardItemModel* m_tree_model;
QTreeView* m_tree_view;
UICommon::GameFile m_game;
std::unique_ptr<DiscIO::Volume> m_volume;
std::shared_ptr<DiscIO::Volume> m_volume;
QIcon m_folder_icon;
QIcon m_file_icon;

53
Source/Core/DolphinQt/Config/InfoWidget.cpp
View file

@ -78,7 +78,6 @@ QGroupBox* InfoWidget::CreateISODetails()
QLineEdit* maker =
CreateValueDisplay((game_maker.empty() ? UNKNOWN_NAME.toStdString() : game_maker) + " (" +
m_game.GetMakerID() + ")");
QWidget* checksum = CreateChecksumComputer();
layout->addRow(tr("Name:"), internal_name);
layout->addRow(tr("File:"), file_path);
@ -89,8 +88,6 @@ QGroupBox* InfoWidget::CreateISODetails()
if (!m_game.GetApploaderDate().empty())
layout->addRow(tr("Apploader Date:"), CreateValueDisplay(m_game.GetApploaderDate()));
layout->addRow(tr("MD5 Checksum:"), checksum);
group->setLayout(layout);
return group;
}
@ -198,53 +195,3 @@ void InfoWidget::ChangeLanguage()
if (m_description)
m_description->setText(QString::fromStdString(m_game.GetDescription(language)));
}
QWidget* InfoWidget::CreateChecksumComputer()
{
QWidget* widget = new QWidget();
QHBoxLayout* layout = new QHBoxLayout();
layout->setContentsMargins(0, 0, 0, 0);
m_checksum_result = new QLineEdit();
m_checksum_result->setReadOnly(true);
QPushButton* calculate = new QPushButton(tr("Compute"));
connect(calculate, &QPushButton::clicked, this, &InfoWidget::ComputeChecksum);
layout->addWidget(m_checksum_result);
layout->addWidget(calculate);
widget->setLayout(layout);
return widget;
}
void InfoWidget::ComputeChecksum()
{
QCryptographicHash hash(QCryptographicHash::Md5);
hash.reset();
std::unique_ptr<DiscIO::BlobReader> file(DiscIO::CreateBlobReader(m_game.GetFilePath()));
std::vector<u8> file_data(8 * 1080 * 1080); // read 1MB at a time
u64 game_size = file->GetDataSize();
u64 read_offset = 0;
// a maximum of 1000 is used instead of game_size because otherwise 8GB games overflow the int
// typed maximum parameter
QProgressDialog* progress =
new QProgressDialog(tr("Computing MD5 Checksum"), tr("Cancel"), 0, 1000, this);
progress->setWindowTitle(tr("Computing MD5 Checksum"));
progress->setWindowFlags(progress->windowFlags() & ~Qt::WindowContextHelpButtonHint);
progress->setMinimumDuration(500);
progress->setWindowModality(Qt::WindowModal);
while (read_offset < game_size)
{
progress->setValue(static_cast<double>(read_offset) / static_cast<double>(game_size) * 1000);
if (progress->wasCanceled())
return;
u64 read_size = std::min<u64>(file_data.size(), game_size - read_offset);
file->Read(read_offset, read_size, file_data.data());
hash.addData(reinterpret_cast<char*>(file_data.data()), read_size);
read_offset += read_size;
}
m_checksum_result->setText(QString::fromUtf8(hash.result().toHex()));
Q_ASSERT(read_offset == game_size);
progress->setValue(1000);
}

3
Source/Core/DolphinQt/Config/InfoWidget.h
View file

@ -23,7 +23,6 @@ public:
explicit InfoWidget(const UICommon::GameFile& game);
private:
void ComputeChecksum();
void ChangeLanguage();
void SaveBanner();
@ -31,12 +30,10 @@ private:
QGroupBox* CreateISODetails();
QLineEdit* CreateValueDisplay(const QString& value);
QLineEdit* CreateValueDisplay(const std::string& value = "");
QWidget* CreateChecksumComputer();
void CreateLanguageSelector();
QWidget* CreateBannerGraphic(const QPixmap& image);
UICommon::GameFile m_game;
QLineEdit* m_checksum_result;
QComboBox* m_language_selector;
QLineEdit* m_name = {};
QLineEdit* m_maker = {};

23
Source/Core/DolphinQt/Config/PropertiesDialog.cpp
View file

@ -2,12 +2,15 @@
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <memory>
#include <QDialogButtonBox>
#include <QPushButton>
#include <QTabWidget>
#include <QVBoxLayout>
#include "DiscIO/Enums.h"
#include "DiscIO/Volume.h"
#include "DolphinQt/Config/ARCodeWidget.h"
#include "DolphinQt/Config/FilesystemWidget.h"
@ -16,6 +19,7 @@
#include "DolphinQt/Config/InfoWidget.h"
#include "DolphinQt/Config/PatchesWidget.h"
#include "DolphinQt/Config/PropertiesDialog.h"
#include "DolphinQt/Config/VerifyWidget.h"
#include "DolphinQt/QtUtils/WrapInScrollArea.h"
#include "UICommon/GameFile.h"
@ -54,11 +58,22 @@ PropertiesDialog::PropertiesDialog(QWidget* parent, const UICommon::GameFile& ga
tr("Gecko Codes"));
tab_widget->addTab(GetWrappedWidget(info, this, padding_width, padding_height), tr("Info"));
if (DiscIO::IsDisc(game.GetPlatform()))
if (game.GetPlatform() != DiscIO::Platform::ELFOrDOL)
{
FilesystemWidget* filesystem = new FilesystemWidget(game);
tab_widget->addTab(GetWrappedWidget(filesystem, this, padding_width, padding_height),
tr("Filesystem"));
std::shared_ptr<DiscIO::Volume> volume = DiscIO::CreateVolumeFromFilename(game.GetFilePath());
if (volume)
{
VerifyWidget* verify = new VerifyWidget(volume);
tab_widget->addTab(GetWrappedWidget(verify, this, padding_width, padding_height),
tr("Verify"));
if (DiscIO::IsDisc(game.GetPlatform()))
{
FilesystemWidget* filesystem = new FilesystemWidget(volume);
tab_widget->addTab(GetWrappedWidget(filesystem, this, padding_width, padding_height),
tr("Filesystem"));
}
}
}
layout->addWidget(tab_widget);

156
Source/Core/DolphinQt/Config/VerifyWidget.cpp Normal file
View file

@ -0,0 +1,156 @@
// Copyright 2019 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "DolphinQt/Config/VerifyWidget.h"
#include <memory>
#include <tuple>
#include <vector>
#include <QByteArray>
#include <QHBoxLayout>
#include <QHeaderView>
#include <QLabel>
#include <QProgressDialog>
#include <QVBoxLayout>
#include "Common/CommonTypes.h"
#include "DiscIO/Volume.h"
#include "DiscIO/VolumeVerifier.h"
VerifyWidget::VerifyWidget(std::shared_ptr<DiscIO::Volume> volume) : m_volume(std::move(volume))
{
QVBoxLayout* layout = new QVBoxLayout(this);
CreateWidgets();
ConnectWidgets();
layout->addWidget(m_problems);
layout->addWidget(m_summary_text);
layout->addLayout(m_hash_layout);
layout->addWidget(m_verify_button);
layout->setStretchFactor(m_problems, 5);
layout->setStretchFactor(m_summary_text, 2);
setLayout(layout);
}
void VerifyWidget::CreateWidgets()
{
m_problems = new QTableWidget(0, 2, this);
m_problems->setHorizontalHeaderLabels({tr("Problem"), tr("Severity")});
m_problems->horizontalHeader()->setSectionResizeMode(0, QHeaderView::Stretch);
m_problems->horizontalHeader()->setSectionResizeMode(1, QHeaderView::ResizeToContents);
m_problems->horizontalHeader()->setHighlightSections(false);
m_problems->verticalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents);
m_problems->verticalHeader()->hide();
m_summary_text = new QTextEdit(this);
m_summary_text->setReadOnly(true);
m_hash_layout = new QFormLayout(this);
std::tie(m_crc32_checkbox, m_crc32_line_edit) = AddHashLine(m_hash_layout, tr("CRC32:"));
std::tie(m_md5_checkbox, m_md5_line_edit) = AddHashLine(m_hash_layout, tr("MD5:"));
std::tie(m_sha1_checkbox, m_sha1_line_edit) = AddHashLine(m_hash_layout, tr("SHA-1:"));
m_verify_button = new QPushButton(tr("Verify Integrity"), this);
}
std::pair<QCheckBox*, QLineEdit*> VerifyWidget::AddHashLine(QFormLayout* layout, QString text)
{
QLineEdit* line_edit = new QLineEdit(this);
line_edit->setReadOnly(true);
QCheckBox* checkbox = new QCheckBox(tr("Calculate"), this);
checkbox->setChecked(true);
QHBoxLayout* hbox_layout = new QHBoxLayout(this);
hbox_layout->addWidget(line_edit);
hbox_layout->addWidget(checkbox);
layout->addRow(text, hbox_layout);
return std::pair(checkbox, line_edit);
}
void VerifyWidget::ConnectWidgets()
{
connect(m_verify_button, &QPushButton::clicked, this, &VerifyWidget::Verify);
}
static void SetHash(QLineEdit* line_edit, const std::vector<u8>& hash)
{
const QByteArray byte_array = QByteArray::fromRawData(reinterpret_cast<const char*>(hash.data()),
static_cast<int>(hash.size()));
line_edit->setText(QString::fromLatin1(byte_array.toHex()));
}
void VerifyWidget::Verify()
{
DiscIO::VolumeVerifier verifier(
*m_volume,
{m_crc32_checkbox->isChecked(), m_md5_checkbox->isChecked(), m_sha1_checkbox->isChecked()});
// We have to divide the number of processed bytes with something so it won't make ints overflow
constexpr int DIVISOR = 0x100;
QProgressDialog* progress = new QProgressDialog(tr("Verifying"), tr("Cancel"), 0,
verifier.GetTotalBytes() / DIVISOR, this);
progress->setWindowTitle(tr("Verifying"));
progress->setWindowFlags(progress->windowFlags() & ~Qt::WindowContextHelpButtonHint);
progress->setMinimumDuration(500);
progress->setWindowModality(Qt::WindowModal);
verifier.Start();
while (verifier.GetBytesProcessed() != verifier.GetTotalBytes())
{
progress->setValue(verifier.GetBytesProcessed() / DIVISOR);
if (progress->wasCanceled())
return;
verifier.Process();
}
verifier.Finish();
DiscIO::VolumeVerifier::Result result = verifier.GetResult();
progress->setValue(verifier.GetBytesProcessed() / DIVISOR);
m_summary_text->setText(QString::fromStdString(result.summary_text));
m_problems->setRowCount(static_cast<int>(result.problems.size()));
for (int i = 0; i < m_problems->rowCount(); ++i)
{
const DiscIO::VolumeVerifier::Problem problem = result.problems[i];
QString severity;
switch (problem.severity)
{
case DiscIO::VolumeVerifier::Severity::Low:
severity = tr("Low");
break;
case DiscIO::VolumeVerifier::Severity::Medium:
severity = tr("Medium");
break;
case DiscIO::VolumeVerifier::Severity::High:
severity = tr("High");
break;
}
SetProblemCellText(i, 0, QString::fromStdString(problem.text));
SetProblemCellText(i, 1, severity);
}
SetHash(m_crc32_line_edit, result.hashes.crc32);
SetHash(m_md5_line_edit, result.hashes.md5);
SetHash(m_sha1_line_edit, result.hashes.sha1);
}
void VerifyWidget::SetProblemCellText(int row, int column, QString text)
{
QLabel* label = new QLabel(text);
label->setTextInteractionFlags(Qt::TextSelectableByMouse);
label->setWordWrap(true);
label->setMargin(4);
m_problems->setCellWidget(row, column, label);
}

49
Source/Core/DolphinQt/Config/VerifyWidget.h Normal file
View file

@ -0,0 +1,49 @@
// Copyright 2019 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <string>
#include <utility>
#include <QCheckBox>
#include <QFormLayout>
#include <QLineEdit>
#include <QPushButton>
#include <QTableWidget>
#include <QTextEdit>
#include <QWidget>
namespace DiscIO
{
class Volume;
}
class VerifyWidget final : public QWidget
{
Q_OBJECT
public:
explicit VerifyWidget(std::shared_ptr<DiscIO::Volume> volume);
private:
void CreateWidgets();
std::pair<QCheckBox*, QLineEdit*> AddHashLine(QFormLayout* layout, QString text);
void ConnectWidgets();
void Verify();
void SetProblemCellText(int row, int column, QString text);
std::shared_ptr<DiscIO::Volume> m_volume;
QTableWidget* m_problems;
QTextEdit* m_summary_text;
QFormLayout* m_hash_layout;
QCheckBox* m_crc32_checkbox;
QCheckBox* m_md5_checkbox;
QCheckBox* m_sha1_checkbox;
QLineEdit* m_crc32_line_edit;
QLineEdit* m_md5_line_edit;
QLineEdit* m_sha1_line_edit;
QPushButton* m_verify_button;
};

3
Source/Core/DolphinQt/DolphinQt.vcxproj
View file

@ -108,6 +108,7 @@
<QtMoc Include="Config\PatchesWidget.h" />
<QtMoc Include="Config\PropertiesDialog.h" />
<QtMoc Include="Config\SettingsWindow.h" />
<QtMoc Include="Config\VerifyWidget.h" />
<QtMoc Include="DiscordHandler.h" />
<QtMoc Include="DiscordJoinRequestDialog.h" />
<QtMoc Include="FIFO\FIFOAnalyzer.h" />
@ -269,6 +270,7 @@
<ClCompile Include="$(QtMocOutPrefix)ToolBar.cpp" />
<ClCompile Include="$(QtMocOutPrefix)USBDeviceAddToWhitelistDialog.cpp" />
<ClCompile Include="$(QtMocOutPrefix)Updater.cpp" />
<ClCompile Include="$(QtMocOutPrefix)VerifyWidget.cpp" />
<ClCompile Include="$(QtMocOutPrefix)WatchWidget.cpp" />
<ClCompile Include="$(QtMocOutPrefix)WiiPane.cpp" />
<ClCompile Include="$(QtMocOutPrefix)WiiTASInputWindow.cpp" />
@ -329,6 +331,7 @@
<ClCompile Include="Config\PatchesWidget.cpp" />
<ClCompile Include="Config\PropertiesDialog.cpp" />
<ClCompile Include="Config\SettingsWindow.cpp" />
<ClCompile Include="Config\VerifyWidget.cpp" />
<ClCompile Include="Debugger\CodeViewWidget.cpp" />
<ClCompile Include="Debugger\CodeWidget.cpp" />
<ClCompile Include="Debugger\JITWidget.cpp" />