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hle: service: sm: Add TIPC support.

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- Fixes our error checking of names as well.
This commit is contained in:
bunnei 2021-05-10 16:18:30 -07:00
parent 913971417e
commit 2c1e119c4a
2 changed files with 68 additions and 43 deletions
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102
src/core/hle/service/sm/sm.cpp
View file

@ -9,6 +9,7 @@
#include "core/hle/kernel/k_client_port.h"
#include "core/hle/kernel/k_client_session.h"
#include "core/hle/kernel/k_port.h"
#include "core/hle/kernel/k_scoped_resource_reservation.h"
#include "core/hle/kernel/k_server_port.h"
#include "core/hle/kernel/k_server_session.h"
#include "core/hle/kernel/k_session.h"
@ -18,6 +19,7 @@
namespace Service::SM {
constexpr ResultCode ERR_NOT_INITIALIZED(ErrorModule::SM, 2);
constexpr ResultCode ERR_ALREADY_REGISTERED(ErrorModule::SM, 4);
constexpr ResultCode ERR_INVALID_NAME(ErrorModule::SM, 6);
constexpr ResultCode ERR_SERVICE_NOT_REGISTERED(ErrorModule::SM, 7);
@ -34,20 +36,17 @@ static ResultCode ValidateServiceName(const std::string& name) {
LOG_ERROR(Service_SM, "Invalid service name! service={}", name);
return ERR_INVALID_NAME;
}
if (name.rfind('\0') != std::string::npos) {
LOG_ERROR(Service_SM, "A non null terminated service was passed");
return ERR_INVALID_NAME;
}
return RESULT_SUCCESS;
}
void ServiceManager::InstallInterfaces(std::shared_ptr<ServiceManager> self, Core::System& system) {
ASSERT(self->sm_interface.expired());
Kernel::KClientPort& ServiceManager::InterfaceFactory(ServiceManager& self, Core::System& system) {
ASSERT(self.sm_interface.expired());
auto sm = std::make_shared<SM>(self, system);
sm->InstallAsNamedPort(system.Kernel());
self->sm_interface = sm;
self->controller_interface = std::make_unique<Controller>(system);
self.sm_interface = sm;
self.controller_interface = std::make_unique<Controller>(system);
return sm->CreatePort(system.Kernel());
}
ResultVal<Kernel::KServerPort*> ServiceManager::RegisterService(std::string name,
@ -114,21 +113,47 @@ void SM::Initialize(Kernel::HLERequestContext& ctx) {
}
void SM::GetService(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
auto name_buf = rp.PopRaw<std::array<char, 8>>();
auto end = std::find(name_buf.begin(), name_buf.end(), '\0');
std::string name(name_buf.begin(), end);
auto result = service_manager->GetServicePort(name);
if (result.Failed()) {
auto result = GetServiceImpl(ctx);
if (result.Succeeded()) {
IPC::ResponseBuilder rb{ctx, 2, 0, 1, IPC::ResponseBuilder::Flags::AlwaysMoveHandles};
rb.Push(result.Code());
rb.PushMoveObjects(result.Unwrap());
} else {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result.Code());
}
}
void SM::GetServiceTipc(Kernel::HLERequestContext& ctx) {
auto result = GetServiceImpl(ctx);
IPC::ResponseBuilder rb{ctx, 2, 0, 1, IPC::ResponseBuilder::Flags::AlwaysMoveHandles};
rb.Push(result.Code());
rb.PushMoveObjects(result.Succeeded() ? result.Unwrap() : nullptr);
}
static std::string PopServiceName(IPC::RequestParser& rp) {
auto name_buf = rp.PopRaw<std::array<char, 8>>();
std::string result;
for (const auto& c : name_buf) {
if (c >= ' ' && c <= '~') {
result.push_back(c);
}
}
return result;
}
ResultVal<Kernel::KClientSession*> SM::GetServiceImpl(Kernel::HLERequestContext& ctx) {
if (!is_initialized) {
return ERR_NOT_INITIALIZED;
}
IPC::RequestParser rp{ctx};
std::string name(PopServiceName(rp));
auto result = service_manager.GetServicePort(name);
if (result.Failed()) {
LOG_ERROR(Service_SM, "called service={} -> error 0x{:08X}", name, result.Code().raw);
if (name.length() == 0)
return; // LibNX Fix
UNIMPLEMENTED();
return;
return result.Code();
}
auto* port = result.Unwrap();
@ -150,18 +175,12 @@ void SM::GetService(Kernel::HLERequestContext& ctx) {
}
LOG_DEBUG(Service_SM, "called service={} -> session={}", name, session->GetId());
IPC::ResponseBuilder rb{ctx, 2, 0, 1, IPC::ResponseBuilder::Flags::AlwaysMoveHandles};
rb.Push(RESULT_SUCCESS);
rb.PushMoveObjects(session->GetClientSession());
return MakeResult(&session->GetClientSession());
}
void SM::RegisterService(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto name_buf = rp.PopRaw<std::array<char, 8>>();
const auto end = std::find(name_buf.begin(), name_buf.end(), '\0');
const std::string name(name_buf.begin(), end);
std::string name(PopServiceName(rp));
const auto is_light = static_cast<bool>(rp.PopRaw<u32>());
const auto max_session_count = rp.PopRaw<u32>();
@ -169,7 +188,7 @@ void SM::RegisterService(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_SM, "called with name={}, max_session_count={}, is_light={}", name,
max_session_count, is_light);
auto handle = service_manager->RegisterService(name, max_session_count);
auto handle = service_manager.RegisterService(name, max_session_count);
if (handle.Failed()) {
LOG_ERROR(Service_SM, "failed to register service with error_code={:08X}",
handle.Code().raw);
@ -187,28 +206,31 @@ void SM::RegisterService(Kernel::HLERequestContext& ctx) {
void SM::UnregisterService(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
std::string name(PopServiceName(rp));
const auto name_buf = rp.PopRaw<std::array<char, 8>>();
const auto end = std::find(name_buf.begin(), name_buf.end(), '\0');
const std::string name(name_buf.begin(), end);
LOG_DEBUG(Service_SM, "called with name={}", name);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(service_manager->UnregisterService(name));
rb.Push(service_manager.UnregisterService(name));
}
SM::SM(std::shared_ptr<ServiceManager> service_manager_, Core::System& system_)
SM::SM(ServiceManager& service_manager_, Core::System& system_)
: ServiceFramework{system_, "sm:", 4},
service_manager{std::move(service_manager_)}, kernel{system_.Kernel()} {
static const FunctionInfo functions[] = {
service_manager{service_manager_}, kernel{system_.Kernel()} {
RegisterHandlers({
{0, &SM::Initialize, "Initialize"},
{1, &SM::GetService, "GetService"},
{2, &SM::RegisterService, "RegisterService"},
{3, &SM::UnregisterService, "UnregisterService"},
{4, nullptr, "DetachClient"},
};
RegisterHandlers(functions);
});
RegisterHandlersTipc({
{0, &SM::Initialize, "Initialize"},
{1, &SM::GetServiceTipc, "GetService"},
{2, &SM::RegisterService, "RegisterService"},
{3, &SM::UnregisterService, "UnregisterService"},
{4, nullptr, "DetachClient"},
});
}
} // namespace Service::SM

9
src/core/hle/service/sm/sm.h
View file

@ -34,23 +34,26 @@ class Controller;
/// Interface to "sm:" service
class SM final : public ServiceFramework<SM> {
public:
explicit SM(std::shared_ptr<ServiceManager> service_manager_, Core::System& system_);
explicit SM(ServiceManager& service_manager_, Core::System& system_);
~SM() override;
private:
void Initialize(Kernel::HLERequestContext& ctx);
void GetService(Kernel::HLERequestContext& ctx);
void GetServiceTipc(Kernel::HLERequestContext& ctx);
void RegisterService(Kernel::HLERequestContext& ctx);
void UnregisterService(Kernel::HLERequestContext& ctx);
std::shared_ptr<ServiceManager> service_manager;
ResultVal<Kernel::KClientSession*> GetServiceImpl(Kernel::HLERequestContext& ctx);
ServiceManager& service_manager;
bool is_initialized{};
Kernel::KernelCore& kernel;
};
class ServiceManager {
public:
static void InstallInterfaces(std::shared_ptr<ServiceManager> self, Core::System& system);
static Kernel::KClientPort& InterfaceFactory(ServiceManager& self, Core::System& system);
explicit ServiceManager(Kernel::KernelCore& kernel_);
~ServiceManager();