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frontend_common: Remove key rederivation and keep key check

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This commit is contained in:
t895 2024-01-24 12:33:34 -05:00
parent 889c5d2705
commit 1a3fc3724a
4 changed files with 13 additions and 121 deletions
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7
src/frontend_common/content_manager.h
View file

@ -368,4 +368,11 @@ inline GameVerificationResult VerifyGameContents(
return GameVerificationResult::Success;
}
/**
* Checks if the keys required for decrypting firmware and games are available
*/
inline bool AreKeysPresent() {
return !Core::Crypto::KeyManager::Instance().BaseDeriveNecessary();
}
} // namespace ContentManager

114
src/yuzu/main.cpp
View file

@ -423,7 +423,7 @@ GMainWindow::GMainWindow(std::unique_ptr<QtConfig> config_, bool has_broken_vulk
RemoveCachedContents();
// Gen keys if necessary
OnReinitializeKeys(ReinitializeKeyBehavior::NoWarning);
OnCheckFirmwareDecryption();
game_list->LoadCompatibilityList();
game_list->PopulateAsync(UISettings::values.game_dirs);
@ -1574,8 +1574,6 @@ void GMainWindow::ConnectMenuEvents() {
connect(multiplayer_state, &MultiplayerState::SaveConfig, this, &GMainWindow::OnSaveConfig);
// Tools
connect_menu(ui->action_Rederive, std::bind(&GMainWindow::OnReinitializeKeys, this,
ReinitializeKeyBehavior::Warning));
connect_menu(ui->action_Load_Album, &GMainWindow::OnAlbum);
connect_menu(ui->action_Load_Cabinet_Nickname_Owner,
[this]() { OnCabinet(Service::NFP::CabinetMode::StartNicknameAndOwnerSettings); });
@ -4551,122 +4549,20 @@ void GMainWindow::OnMouseActivity() {
}
}
void GMainWindow::OnReinitializeKeys(ReinitializeKeyBehavior behavior) {
if (behavior == ReinitializeKeyBehavior::Warning) {
const auto res = QMessageBox::information(
this, tr("Confirm Key Rederivation"),
tr("You are about to force rederive all of your keys. \nIf you do not know what "
"this "
"means or what you are doing, \nthis is a potentially destructive action. "
"\nPlease "
"make sure this is what you want \nand optionally make backups.\n\nThis will "
"delete "
"your autogenerated key files and re-run the key derivation module."),
QMessageBox::StandardButtons{QMessageBox::Ok, QMessageBox::Cancel});
if (res == QMessageBox::Cancel)
return;
const auto keys_dir = Common::FS::GetYuzuPath(Common::FS::YuzuPath::KeysDir);
Common::FS::RemoveFile(keys_dir / "prod.keys_autogenerated");
Common::FS::RemoveFile(keys_dir / "console.keys_autogenerated");
Common::FS::RemoveFile(keys_dir / "title.keys_autogenerated");
}
Core::Crypto::KeyManager& keys = Core::Crypto::KeyManager::Instance();
bool all_keys_present{true};
if (keys.BaseDeriveNecessary()) {
Core::Crypto::PartitionDataManager pdm{vfs->OpenDirectory("", FileSys::Mode::Read)};
const auto function = [this, &keys, &pdm] {
keys.PopulateFromPartitionData(pdm);
system->GetFileSystemController().CreateFactories(*vfs);
keys.DeriveETicket(pdm, system->GetContentProvider());
};
QString errors;
if (!pdm.HasFuses()) {
errors += tr("Missing fuses");
}
if (!pdm.HasBoot0()) {
errors += tr(" - Missing BOOT0");
}
if (!pdm.HasPackage2()) {
errors += tr(" - Missing BCPKG2-1-Normal-Main");
}
if (!pdm.HasProdInfo()) {
errors += tr(" - Missing PRODINFO");
}
if (!errors.isEmpty()) {
all_keys_present = false;
QMessageBox::warning(
this, tr("Derivation Components Missing"),
tr("Encryption keys are missing. "
"<br>Please follow <a href='https://yuzu-emu.org/help/quickstart/'>the yuzu "
"quickstart guide</a> to get all your keys, firmware and "
"games.<br><br><small>(%1)</small>")
.arg(errors));
}
QProgressDialog prog(this);
prog.setRange(0, 0);
prog.setLabelText(tr("Deriving keys...\nThis may take up to a minute depending \non your "
"system's performance."));
prog.setWindowTitle(tr("Deriving Keys"));
prog.show();
auto future = QtConcurrent::run(function);
while (!future.isFinished()) {
QCoreApplication::processEvents();
}
prog.close();
}
void GMainWindow::OnCheckFirmwareDecryption() {
system->GetFileSystemController().CreateFactories(*vfs);
if (all_keys_present && !this->CheckSystemArchiveDecryption()) {
LOG_WARNING(Frontend, "Mii model decryption failed");
if (!ContentManager::AreKeysPresent()) {
QMessageBox::warning(
this, tr("System Archive Decryption Failed"),
tr("Encryption keys failed to decrypt firmware. "
this, tr("Derivation Components Missing"),
tr("Encryption keys are missing. "
"<br>Please follow <a href='https://yuzu-emu.org/help/quickstart/'>the yuzu "
"quickstart guide</a> to get all your keys, firmware and "
"games."));
}
SetFirmwareVersion();
if (behavior == ReinitializeKeyBehavior::Warning) {
game_list->PopulateAsync(UISettings::values.game_dirs);
}
UpdateMenuState();
}
bool GMainWindow::CheckSystemArchiveDecryption() {
constexpr u64 MiiModelId = 0x0100000000000802;
auto bis_system = system->GetFileSystemController().GetSystemNANDContents();
if (!bis_system) {
// Not having system BIS files is not an error.
return true;
}
auto mii_nca = bis_system->GetEntry(MiiModelId, FileSys::ContentRecordType::Data);
if (!mii_nca) {
// Not having the Mii model is not an error.
return true;
}
// Return whether we are able to decrypt the RomFS of the Mii model.
return mii_nca->GetRomFS().get() != nullptr;
}
bool GMainWindow::CheckFirmwarePresence() {
constexpr u64 MiiEditId = static_cast<u64>(Service::AM::Applets::AppletProgramId::MiiEdit);

8
src/yuzu/main.h
View file

@ -125,11 +125,6 @@ enum class EmulatedDirectoryTarget {
SDMC,
};
enum class ReinitializeKeyBehavior {
NoWarning,
Warning,
};
namespace VkDeviceInfo {
class Record;
}
@ -400,7 +395,7 @@ private slots:
void OnMiiEdit();
void OnOpenControllerMenu();
void OnCaptureScreenshot();
void OnReinitializeKeys(ReinitializeKeyBehavior behavior);
void OnCheckFirmwareDecryption();
void OnLanguageChanged(const QString& locale);
void OnMouseActivity();
bool OnShutdownBegin();
@ -441,7 +436,6 @@ private:
void LoadTranslation();
void OpenPerGameConfiguration(u64 title_id, const std::string& file_name);
bool CheckDarkMode();
bool CheckSystemArchiveDecryption();
bool CheckFirmwarePresence();
void SetFirmwareVersion();
void ConfigureFilesystemProvider(const std::string& filepath);

5
src/yuzu/main.ui
View file

@ -224,11 +224,6 @@
<string>&amp;Stop</string>
</property>
</action>
<action name="action_Rederive">
<property name="text">
<string>&amp;Reinitialize keys...</string>
</property>
</action>
<action name="action_Verify_installed_contents">
<property name="text">
<string>&amp;Verify Installed Contents</string>