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IOS/ES: Pass relevant caller title information to ImportTmd() and ExportTitleInit().

This commit is contained in:
Admiral H. Curtiss 2020-12-31 16:59:25 +01:00
parent c1d041b888
commit 7abe1085e3
2 changed files with 19 additions and 13 deletions
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6
Source/Core/Core/IOS/ES/ES.h
View File

@ -126,7 +126,8 @@ public:
ReturnCode ImportTicket(const std::vector<u8>& ticket_bytes, const std::vector<u8>& cert_chain,
TicketImportType type = TicketImportType::PossiblyPersonalised,
VerifySignature verify_signature = VerifySignature::Yes);
ReturnCode ImportTmd(Context& context, const std::vector<u8>& tmd_bytes);
ReturnCode ImportTmd(Context& context, const std::vector<u8>& tmd_bytes, u64 caller_title_id,
u32 caller_title_flags);
ReturnCode ImportTitleInit(Context& context, const std::vector<u8>& tmd_bytes,
const std::vector<u8>& cert_chain,
VerifySignature verify_signature = VerifySignature::Yes);
@ -135,7 +136,8 @@ public:
ReturnCode ImportContentEnd(Context& context, u32 content_fd);
ReturnCode ImportTitleDone(Context& context);
ReturnCode ImportTitleCancel(Context& context);
ReturnCode ExportTitleInit(Context& context, u64 title_id, u8* tmd, u32 tmd_size);
ReturnCode ExportTitleInit(Context& context, u64 title_id, u8* tmd, u32 tmd_size,
u64 caller_title_id, u32 caller_title_flags);
ReturnCode ExportContentBegin(Context& context, u64 title_id, u32 content_id);
ReturnCode ExportContentData(Context& context, u32 content_fd, u8* data, u32 data_size);
ReturnCode ExportContentEnd(Context& context, u32 content_fd);

26
Source/Core/Core/IOS/ES/TitleManagement.cpp
View File

@ -107,15 +107,14 @@ IPCCommandResult ES::ImportTicket(const IOCtlVRequest& request)
constexpr std::array<u8, 16> NULL_KEY{};
// Used for exporting titles and importing them back (ImportTmd and ExportTitleInit).
static ReturnCode InitBackupKey(const IOS::ES::TMDReader& tmd, IOSC& iosc, IOSC::Handle* key)
static ReturnCode InitBackupKey(u64 tid, u32 title_flags, IOSC& iosc, IOSC::Handle* key)
{
// Some versions of IOS have a bug that causes it to use a zeroed key instead of the PRNG key.
// When Nintendo decided to fix it, they added checks to keep using the zeroed key only in
// affected titles to avoid making existing exports useless.
// Ignore the region byte.
const u64 title_id = tmd.GetTitleId() | 0xff;
const u32 title_flags = tmd.GetTitleFlags();
const u64 title_id = tid | 0xff;
const u32 affected_type = IOS::ES::TITLE_TYPE_0x10 | IOS::ES::TITLE_TYPE_DATA;
if (title_id == Titles::SYSTEM_MENU || (title_flags & affected_type) != affected_type ||
!(title_id == 0x00010005735841ff || title_id - 0x00010005735a41ff <= 0x700))
@ -136,7 +135,8 @@ static void ResetTitleImportContext(ES::Context* context, IOSC& iosc)
context->title_import_export = {};
}
ReturnCode ES::ImportTmd(Context& context, const std::vector<u8>& tmd_bytes)
ReturnCode ES::ImportTmd(Context& context, const std::vector<u8>& tmd_bytes, u64 caller_title_id,
u32 caller_title_flags)
{
INFO_LOG_FMT(IOS_ES, "ImportTmd");
@ -166,8 +166,8 @@ ReturnCode ES::ImportTmd(Context& context, const std::vector<u8>& tmd_bytes)
return ES_EIO;
}
ret =
InitBackupKey(m_title_context.tmd, m_ios.GetIOSC(), &context.title_import_export.key_handle);
ret = InitBackupKey(caller_title_id, caller_title_flags, m_ios.GetIOSC(),
&context.title_import_export.key_handle);
if (ret != IPC_SUCCESS)
{
ERROR_LOG_FMT(IOS_ES, "ImportTmd: InitBackupKey failed with error {}", ret);
@ -189,7 +189,8 @@ IPCCommandResult ES::ImportTmd(Context& context, const IOCtlVRequest& request)
std::vector<u8> tmd(request.in_vectors[0].size);
Memory::CopyFromEmu(tmd.data(), request.in_vectors[0].address, request.in_vectors[0].size);
return GetDefaultReply(ImportTmd(context, tmd));
return GetDefaultReply(ImportTmd(context, tmd, m_title_context.tmd.GetTitleId(),
m_title_context.tmd.GetTitleFlags()));
}
static ReturnCode InitTitleImportKey(const std::vector<u8>& ticket_bytes, IOSC& iosc,
@ -651,7 +652,8 @@ IPCCommandResult ES::DeleteContent(const IOCtlVRequest& request)
Memory::Read_U32(request.in_vectors[1].address)));
}
ReturnCode ES::ExportTitleInit(Context& context, u64 title_id, u8* tmd_bytes, u32 tmd_size)
ReturnCode ES::ExportTitleInit(Context& context, u64 title_id, u8* tmd_bytes, u32 tmd_size,
u64 caller_title_id, u32 caller_title_flags)
{
// No concurrent title import/export is allowed.
if (context.title_import_export.valid)
@ -664,8 +666,8 @@ ReturnCode ES::ExportTitleInit(Context& context, u64 title_id, u8* tmd_bytes, u3
ResetTitleImportContext(&context, m_ios.GetIOSC());
context.title_import_export.tmd = tmd;
const ReturnCode ret =
InitBackupKey(m_title_context.tmd, m_ios.GetIOSC(), &context.title_import_export.key_handle);
const ReturnCode ret = InitBackupKey(caller_title_id, caller_title_flags, m_ios.GetIOSC(),
&context.title_import_export.key_handle);
if (ret != IPC_SUCCESS)
return ret;
@ -688,7 +690,9 @@ IPCCommandResult ES::ExportTitleInit(Context& context, const IOCtlVRequest& requ
u8* tmd_bytes = Memory::GetPointer(request.io_vectors[0].address);
const u32 tmd_size = request.io_vectors[0].size;
return GetDefaultReply(ExportTitleInit(context, title_id, tmd_bytes, tmd_size));
return GetDefaultReply(ExportTitleInit(context, title_id, tmd_bytes, tmd_size,
m_title_context.tmd.GetTitleId(),
m_title_context.tmd.GetTitleFlags()));
}
ReturnCode ES::ExportContentBegin(Context& context, u64 title_id, u32 content_id)