Atmosphere/stratosphere/loader/source/ldr_loader_service.cpp

120 lines
4.8 KiB
C++

/*
* Copyright (c) 2018-2020 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 "ldr_arguments.hpp"
#include "ldr_content_management.hpp"
#include "ldr_ecs.hpp"
#include "ldr_process_creation.hpp"
#include "ldr_launch_record.hpp"
#include "ldr_loader_service.hpp"
#include "ldr_ro_manager.hpp"
namespace ams::ldr {
namespace {
Result GetProgramInfoImpl(ProgramInfo *out, cfg::OverrideStatus *out_status, const ncm::ProgramLocation &loc) {
/* Zero output. */
std::memset(out, 0, sizeof(*out));
cfg::OverrideStatus status = {};
R_TRY(ldr::GetProgramInfo(out, &status, loc));
if (loc.storage_id != static_cast<u8>(ncm::StorageId::None) && loc.program_id != out->program_id) {
char path[FS_MAX_PATH];
const ncm::ProgramLocation new_loc = ncm::ProgramLocation::Make(out->program_id, static_cast<ncm::StorageId>(loc.storage_id));
R_TRY(ResolveContentPath(path, loc));
R_TRY(RedirectContentPath(path, new_loc));
const auto arg_info = args::Get(loc.program_id);
if (arg_info != nullptr) {
R_TRY(args::Set(new_loc.program_id, arg_info->args, arg_info->args_size));
}
}
if (out_status != nullptr) {
*out_status = status;
}
return ResultSuccess();
}
}
/* Official commands. */
Result LoaderService::CreateProcess(sf::OutMoveHandle proc_h, PinId id, u32 flags, sf::CopyHandle reslimit_h) {
os::ManagedHandle reslimit_holder(reslimit_h.GetValue());
ncm::ProgramLocation loc;
cfg::OverrideStatus override_status;
char path[FS_MAX_PATH];
/* Get location and override status. */
R_TRY(ldr::ro::GetProgramLocationAndStatus(&loc, &override_status, id));
if (loc.storage_id != static_cast<u8>(ncm::StorageId::None)) {
R_TRY(ResolveContentPath(path, loc));
}
return ldr::CreateProcess(proc_h.GetHandlePointer(), id, loc, override_status, path, flags, reslimit_holder.Get());
}
Result LoaderService::GetProgramInfo(sf::Out<ProgramInfo> out, const ncm::ProgramLocation &loc) {
return GetProgramInfoImpl(out.GetPointer(), nullptr, loc);
}
Result LoaderService::PinProgram(sf::Out<PinId> out_id, const ncm::ProgramLocation &loc) {
return ldr::ro::PinProgram(out_id.GetPointer(), loc, cfg::OverrideStatus{});
}
Result LoaderService::UnpinProgram(PinId id) {
return ldr::ro::UnpinProgram(id);
}
Result LoaderService::SetProgramArguments(ncm::ProgramId program_id, const sf::InPointerBuffer &args, u32 args_size) {
return args::Set(program_id, args.GetPointer(), std::min(args.GetSize(), size_t(args_size)));
}
Result LoaderService::FlushArguments() {
return args::Flush();
}
Result LoaderService::GetProcessModuleInfo(sf::Out<u32> count, const sf::OutPointerArray<ModuleInfo> &out, os::ProcessId process_id) {
R_UNLESS(out.GetSize() <= std::numeric_limits<s32>::max(), ResultInvalidSize());
return ldr::ro::GetProcessModuleInfo(count.GetPointer(), out.GetPointer(), out.GetSize(), process_id);
}
/* Atmosphere commands. */
Result LoaderService::AtmosphereSetExternalContentSource(sf::OutMoveHandle out, ncm::ProgramId program_id) {
return ecs::Set(out.GetHandlePointer(), program_id);
}
void LoaderService::AtmosphereClearExternalContentSource(ncm::ProgramId program_id) {
R_ASSERT(ecs::Clear(program_id));
}
void LoaderService::AtmosphereHasLaunchedProgram(sf::Out<bool> out, ncm::ProgramId program_id) {
out.SetValue(ldr::HasLaunchedProgram(program_id));
}
Result LoaderService::AtmosphereGetProgramInfo(sf::Out<ProgramInfo> out_program_info, sf::Out<cfg::OverrideStatus> out_status, const ncm::ProgramLocation &loc) {
return GetProgramInfoImpl(out_program_info.GetPointer(), out_status.GetPointer(), loc);
}
Result LoaderService::AtmospherePinProgram(sf::Out<PinId> out_id, const ncm::ProgramLocation &loc, const cfg::OverrideStatus &override_status) {
return ldr::ro::PinProgram(out_id.GetPointer(), loc, override_status);
}
}