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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/crypto/key_manager.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/service/service.h"
namespace Service::ES {
constexpr ResultCode ERROR_INVALID_ARGUMENT{ErrorModule::ETicket, 2};
constexpr ResultCode ERROR_INVALID_RIGHTS_ID{ErrorModule::ETicket, 3};
class ETicket final : public ServiceFramework<ETicket> {
public:
explicit ETicket() : ServiceFramework{"es"} {
// clang-format off
static const FunctionInfo functions[] = {
{1, &ETicket::ImportTicket, "ImportTicket"},
{2, nullptr, "ImportTicketCertificateSet"},
{3, nullptr, "DeleteTicket"},
{4, nullptr, "DeletePersonalizedTicket"},
{5, nullptr, "DeleteAllCommonTicket"},
{6, nullptr, "DeleteAllPersonalizedTicket"},
{7, nullptr, "DeleteAllPersonalizedTicketEx"},
{8, &ETicket::GetTitleKey, "GetTitleKey"},
{9, &ETicket::CountCommonTicket, "CountCommonTicket"},
{10, &ETicket::CountPersonalizedTicket, "CountPersonalizedTicket"},
{11, &ETicket::ListCommonTicket, "ListCommonTicket"},
{12, nullptr, "ListPersonalizedTicket"},
{13, nullptr, "ListMissingPersonalizedTicket"},
{14, nullptr, "GetCommonTicketSize"},
{15, nullptr, "GetPersonalizedTicketSize"},
{16, nullptr, "GetCommonTicketData"},
{17, nullptr, "GetPersonalizedTicketData"},
{18, nullptr, "OwnTicket"},
{19, nullptr, "GetTicketInfo"},
{20, nullptr, "ListLightTicketInfo"},
{21, nullptr, "SignData"},
{22, nullptr, "GetCommonTicketAndCertificateSize"},
{23, nullptr, "GetCommonTicketAndCertificateData"},
{24, nullptr, "ImportPrepurchaseRecord"},
{25, nullptr, "DeletePrepurchaseRecord"},
{26, nullptr, "DeleteAllPrepurchaseRecord"},
{27, nullptr, "CountPrepurchaseRecord"},
{28, nullptr, "ListPrepurchaseRecordRightsIds"},
{29, nullptr, "ListPrepurchaseRecordInfo"},
{30, nullptr, "CountTicket"},
{31, nullptr, "ListTicketRightsIds"},
{32, nullptr, "CountPrepurchaseRecordEx"},
{33, nullptr, "ListPrepurchaseRecordRightsIdsEx"},
{34, nullptr, "GetEncryptedTicketSize"},
{35, nullptr, "GetEncryptedTicketData"},
{36, nullptr, "DeleteAllInactiveELicenseRequiredPersonalizedTicket"},
{503, nullptr, "GetTitleKey"},
};
// clang-format on
RegisterHandlers(functions);
}
private:
bool CheckRightsId(Kernel::HLERequestContext& ctx, const u128& rights_id) {
if (rights_id == u128{}) {
LOG_ERROR(Service_ETicket, "The rights ID was invalid!");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERROR_INVALID_RIGHTS_ID);
return false;
}
return true;
}
void ImportTicket(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto ticket = ctx.ReadBuffer();
const auto cert = ctx.ReadBuffer(1);
if (ticket.size() < sizeof(Core::Crypto::TicketRaw)) {
LOG_ERROR(Service_ETicket, "The input buffer is not large enough!");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERROR_INVALID_ARGUMENT);
return;
}
Core::Crypto::TicketRaw raw;
std::memcpy(raw.data(), ticket.data(), sizeof(Core::Crypto::TicketRaw));
if (!keys.AddTicketPersonalized(raw)) {
LOG_ERROR(Service_ETicket, "The ticket could not be imported!");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERROR_INVALID_ARGUMENT);
return;
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void GetTitleKey(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto rights_id = rp.PopRaw<u128>();
LOG_DEBUG(Service_ETicket, "called, rights_id={:016X}{:016X}", rights_id[1], rights_id[0]);
if (!CheckRightsId(ctx, rights_id))
return;
const auto key =
keys.GetKey(Core::Crypto::S128KeyType::Titlekey, rights_id[1], rights_id[0]);
if (key == Core::Crypto::Key128{}) {
LOG_ERROR(Service_ETicket,
"The titlekey doesn't exist in the KeyManager or the rights ID was invalid!");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERROR_INVALID_RIGHTS_ID);
return;
}
ctx.WriteBuffer(key.data(), key.size());
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void CountCommonTicket(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_ETicket, "called");
keys.PopulateTickets();
const auto count = keys.GetCommonTickets().size();
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(count);
}
void CountPersonalizedTicket(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_ETicket, "called");
keys.PopulateTickets();
const auto count = keys.GetPersonalizedTickets().size();
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(count);
}
void ListCommonTicket(Kernel::HLERequestContext& ctx) {
u32 out_entries;
if (keys.GetCommonTickets().empty())
out_entries = 0;
else
out_entries = ctx.GetWriteBufferSize() / sizeof(u128);
LOG_DEBUG(Service_ETicket, "called, entries={:016X}", out_entries);
keys.PopulateTickets();
const auto tickets = keys.GetCommonTickets();
std::vector<u128> ids;
std::transform(tickets.begin(), tickets.end(), std::back_inserter(ids),
[](const auto& pair) { return pair.first; });
out_entries = std::min<u32>(ids.size(), out_entries);
ctx.WriteBuffer(ids.data(), out_entries * sizeof(u128));
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(out_entries);
}
};
void InstallInterfaces(SM::ServiceManager& service_manager) {
std::make_shared<ETicket>()->InstallAsService(service_manager);
}
} // namespace Service::ES
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