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applets: Implement Auth applet backend

This is responsible for parental controls and supports verifying, changing, and registering PIN codes.
This commit is contained in:
Zach Hilman 2019-06-05 12:10:23 -04:00
parent 221996a194
commit 9d2d349d7b
2 changed files with 146 additions and 0 deletions

View File

@ -17,6 +17,8 @@
namespace Service::AM::Applets {
constexpr ResultCode ERROR_INVALID_PIN{ErrorModule::PCTL, 221};
static void LogCurrentStorage(AppletDataBroker& broker, std::string_view prefix) {
std::unique_ptr<IStorage> storage = broker.PopNormalDataToApplet();
for (; storage != nullptr; storage = broker.PopNormalDataToApplet()) {
@ -35,6 +37,120 @@ static void LogCurrentStorage(AppletDataBroker& broker, std::string_view prefix)
}
}
Auth::Auth(Core::Frontend::ParentalControlsApplet& frontend) : frontend(frontend) {}
Auth::~Auth() = default;
void Auth::Initialize() {
Applet::Initialize();
complete = false;
const auto storage = broker.PopNormalDataToApplet();
ASSERT(storage != nullptr);
const auto data = storage->GetData();
ASSERT(data.size() >= 0xC);
struct Arg {
INSERT_PADDING_BYTES(4);
AuthAppletType type;
u8 arg0;
u8 arg1;
u8 arg2;
INSERT_PADDING_BYTES(1);
};
static_assert(sizeof(Arg) == 0xC, "Arg (AuthApplet) has incorrect size.");
Arg arg{};
std::memcpy(&arg, data.data(), sizeof(Arg));
type = arg.type;
arg0 = arg.arg0;
arg1 = arg.arg1;
arg2 = arg.arg2;
}
bool Auth::TransactionComplete() const {
return complete;
}
ResultCode Auth::GetStatus() const {
return successful ? RESULT_SUCCESS : ERROR_INVALID_PIN;
}
void Auth::ExecuteInteractive() {
UNREACHABLE_MSG("Unexpected interactive applet data.");
}
void Auth::Execute() {
if (complete) {
return;
}
const auto unimplemented_log = [this] {
UNIMPLEMENTED_MSG("Unimplemented Auth applet type for type={:08X}, arg0={:02X}, "
"arg1={:02X}, arg2={:02X}",
static_cast<u32>(type), arg0, arg1, arg2);
};
switch (type) {
case AuthAppletType::ShowParentalAuthentication: {
const auto callback = [this](bool successful) { AuthFinished(successful); };
if (arg0 == 1 && arg1 == 0 && arg2 == 1) {
// ShowAuthenticatorForConfiguration
frontend.VerifyPINForSettings(callback);
} else if (arg1 == 0 && arg2 == 0) {
// ShowParentalAuthentication(bool)
frontend.VerifyPIN(callback, static_cast<bool>(arg0));
} else {
unimplemented_log();
}
break;
}
case AuthAppletType::RegisterParentalPasscode: {
const auto callback = [this] { AuthFinished(true); };
if (arg0 == 0 && arg1 == 0 && arg2 == 0) {
// RegisterParentalPasscode
frontend.RegisterPIN(callback);
} else {
unimplemented_log();
}
break;
}
case AuthAppletType::ChangeParentalPasscode: {
const auto callback = [this] { AuthFinished(true); };
if (arg0 == 0 && arg1 == 0 && arg2 == 0) {
// ChangeParentalPasscode
frontend.ChangePIN(callback);
} else {
unimplemented_log();
}
break;
}
default:
unimplemented_log();
}
}
void Auth::AuthFinished(bool successful) {
this->successful = successful;
struct Return {
ResultCode result_code;
};
static_assert(sizeof(Return) == 0x4, "Return (AuthApplet) has incorrect size.");
Return return_{GetStatus()};
std::vector<u8> out(sizeof(Return));
std::memcpy(out.data(), &return_, sizeof(Return));
broker.PushNormalDataFromApplet(IStorage{out});
broker.SignalStateChanged();
}
PhotoViewer::PhotoViewer(const Core::Frontend::PhotoViewerApplet& frontend) : frontend(frontend) {}
PhotoViewer::~PhotoViewer() = default;

View File

@ -8,6 +8,36 @@
namespace Service::AM::Applets {
enum class AuthAppletType : u32 {
ShowParentalAuthentication,
RegisterParentalPasscode,
ChangeParentalPasscode,
};
class Auth final : public Applet {
public:
explicit Auth(Core::Frontend::ParentalControlsApplet& frontend);
~Auth() override;
void Initialize() override;
bool TransactionComplete() const override;
ResultCode GetStatus() const override;
void ExecuteInteractive() override;
void Execute() override;
void AuthFinished(bool successful = true);
private:
Core::Frontend::ParentalControlsApplet& frontend;
bool complete = false;
bool successful = false;
AuthAppletType type = AuthAppletType::ShowParentalAuthentication;
u8 arg0 = 0;
u8 arg1 = 0;
u8 arg2 = 0;
};
enum class PhotoViewerAppletMode : u8 {
CurrentApp = 0,
AllApps = 1,