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Atmosphere/stratosphere/spl/source/spl_main.cpp
2021-10-07 17:44:54 -07:00

188 lines
8.5 KiB
C++

/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
#include "spl_api_impl.hpp"
#include "spl_random_service.hpp"
#include "spl_general_service.hpp"
#include "spl_crypto_service.hpp"
#include "spl_ssl_service.hpp"
#include "spl_es_service.hpp"
#include "spl_fs_service.hpp"
#include "spl_manu_service.hpp"
#include "spl_deprecated_service.hpp"
namespace ams {
namespace spl {
namespace {
struct SplServerOptions {
static constexpr size_t PointerBufferSize = 0x800;
static constexpr size_t MaxDomains = 0;
static constexpr size_t MaxDomainObjects = 0;
};
enum PortIndex {
PortIndex_General,
PortIndex_Random,
PortIndex_Crypto,
PortIndex_Fs,
PortIndex_Ssl,
PortIndex_Es,
PortIndex_Manu,
PortIndex_Count,
};
constexpr sm::ServiceName RandomServiceName = sm::ServiceName::Encode("csrng");
constexpr size_t RandomMaxSessions = 3;
constexpr sm::ServiceName GeneralServiceName = sm::ServiceName::Encode("spl:");
constexpr size_t DeprecatedMaxSessions = 13;
constexpr size_t GeneralMaxSessions = 7;
constexpr sm::ServiceName CryptoServiceName = sm::ServiceName::Encode("spl:mig");
constexpr size_t CryptoMaxSessions = 7;
constexpr sm::ServiceName SslServiceName = sm::ServiceName::Encode("spl:ssl");
constexpr size_t SslMaxSessions = 2;
constexpr sm::ServiceName EsServiceName = sm::ServiceName::Encode("spl:es");
constexpr size_t EsMaxSessions = 2;
constexpr sm::ServiceName FsServiceName = sm::ServiceName::Encode("spl:fs");
constexpr size_t FsMaxSessions = 3;
constexpr sm::ServiceName ManuServiceName = sm::ServiceName::Encode("spl:manu");
constexpr size_t ManuMaxSessions = 1;
/* csrng, spl:, spl:mig, spl:ssl, spl:es, spl:fs, spl:manu. */
/* TODO: Consider max sessions enforcement? */
constexpr size_t ModernMaxSessions = GeneralMaxSessions + CryptoMaxSessions + SslMaxSessions + EsMaxSessions + FsMaxSessions + ManuMaxSessions;
constexpr size_t NumSessions = RandomMaxSessions + std::max(DeprecatedMaxSessions, ModernMaxSessions) + 1;
class ServerManager final : public sf::hipc::ServerManager<PortIndex_Count, SplServerOptions, NumSessions> {
private:
sf::ExpHeapAllocator *m_allocator;
spl::GeneralService m_general_service;
sf::UnmanagedServiceObjectByPointer<spl::impl::IGeneralInterface, spl::GeneralService> m_general_service_object;
spl::RandomService m_random_service;
sf::UnmanagedServiceObjectByPointer<spl::impl::IRandomInterface, spl::RandomService> m_random_service_object;
public:
ServerManager(sf::ExpHeapAllocator *allocator) : m_allocator(allocator), m_general_service(), m_general_service_object(std::addressof(m_general_service)), m_random_service(), m_random_service_object(std::addressof(m_random_service)) {
/* ... */
}
private:
virtual ams::Result OnNeedsToAccept(int port_index, Server *server) override;
};
using Allocator = sf::ExpHeapAllocator;
using ObjectFactory = sf::ObjectFactory<sf::ExpHeapAllocator::Policy>;
alignas(0x40) constinit u8 g_server_allocator_buffer[8_KB];
Allocator g_server_allocator;
ServerManager g_server_manager(std::addressof(g_server_allocator));
ams::Result ServerManager::OnNeedsToAccept(int port_index, Server *server) {
switch (port_index) {
case PortIndex_General:
if (hos::GetVersion() >= hos::Version_4_0_0) {
return this->AcceptImpl(server, m_general_service_object.GetShared());
} else {
return this->AcceptImpl(server, ObjectFactory::CreateSharedEmplaced<spl::impl::IDeprecatedGeneralInterface, spl::DeprecatedService>(m_allocator));
}
case PortIndex_Random:
return this->AcceptImpl(server, m_random_service_object.GetShared());
case PortIndex_Crypto:
return this->AcceptImpl(server, ObjectFactory::CreateSharedEmplaced<spl::impl::ICryptoInterface, spl::CryptoService>(m_allocator));
case PortIndex_Fs:
return this->AcceptImpl(server, ObjectFactory::CreateSharedEmplaced<spl::impl::IFsInterface, spl::FsService>(m_allocator));
case PortIndex_Ssl:
return this->AcceptImpl(server, ObjectFactory::CreateSharedEmplaced<spl::impl::ISslInterface, spl::SslService>(m_allocator));
case PortIndex_Es:
return this->AcceptImpl(server, ObjectFactory::CreateSharedEmplaced<spl::impl::IEsInterface, spl::EsService>(m_allocator));
case PortIndex_Manu:
return this->AcceptImpl(server, ObjectFactory::CreateSharedEmplaced<spl::impl::IManuInterface, spl::ManuService>(m_allocator));
AMS_UNREACHABLE_DEFAULT_CASE();
}
}
void SplMain() {
/* Setup server allocator. */
g_server_allocator.Attach(lmem::CreateExpHeap(g_server_allocator_buffer, sizeof(g_server_allocator_buffer), lmem::CreateOption_None));
/* Initialize global context. */
spl::impl::Initialize();
/* Create services. */
const auto fw_ver = hos::GetVersion();
R_ABORT_UNLESS(g_server_manager.RegisterServer(PortIndex_General, GeneralServiceName, fw_ver >= hos::Version_4_0_0 ? GeneralMaxSessions : DeprecatedMaxSessions));
R_ABORT_UNLESS(g_server_manager.RegisterServer(PortIndex_Random, RandomServiceName, RandomMaxSessions));
if (fw_ver >= hos::Version_4_0_0) {
R_ABORT_UNLESS(g_server_manager.RegisterServer(PortIndex_Crypto, CryptoServiceName, CryptoMaxSessions));
R_ABORT_UNLESS(g_server_manager.RegisterServer(PortIndex_Fs, FsServiceName, FsMaxSessions));
R_ABORT_UNLESS(g_server_manager.RegisterServer(PortIndex_Ssl, SslServiceName, SslMaxSessions));
R_ABORT_UNLESS(g_server_manager.RegisterServer(PortIndex_Es, EsServiceName, EsMaxSessions));
if (fw_ver >= hos::Version_5_0_0) {
g_server_manager.RegisterServer(PortIndex_Manu, ManuServiceName, ManuMaxSessions);
}
}
/* Loop forever, servicing our services. */
g_server_manager.LoopProcess();
}
}
}
namespace init {
void InitializeSystemModule() {
/* Initialize our connection to sm. */
R_ABORT_UNLESS(sm::Initialize());
/* Verify that we can sanely execute. */
ams::CheckApiVersion();
}
void FinalizeSystemModule() { /* ... */ }
void Startup() { /* ... */ }
}
void NORETURN Exit(int rc) {
AMS_UNUSED(rc);
AMS_ABORT("Exit called by immortal process");
}
void Main() {
/* Set thread name. */
os::SetThreadNamePointer(os::GetCurrentThread(), AMS_GET_SYSTEM_THREAD_NAME(spl, Main));
AMS_ASSERT(os::GetThreadPriority(os::GetCurrentThread()) == AMS_GET_SYSTEM_THREAD_PRIORITY(spl, Main));
/* Invoke SPL main. */
spl::SplMain();
/* This can never be reached. */
AMS_ASSUME(false);
}
}