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Atmosphere/stratosphere/loader/source/ldr_loader_service.cpp
2021-10-10 21:37:29 -07:00

122 lines
4.4 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 "ldr_argument_store.hpp"
#include "ldr_content_management.hpp"
#include "ldr_development_manager.hpp"
#include "ldr_process_creation.hpp"
#include "ldr_launch_record.hpp"
#include "ldr_loader_service.hpp"
namespace ams::ldr {
namespace {
constinit ArgumentStore g_argument_store;
}
Result LoaderService::CreateProcess(os::NativeHandle *out, PinId pin_id, u32 flags, os::NativeHandle resource_limit) {
/* Declare program path, which we'll need later. */
/* Get the location and override status. */
ncm::ProgramLocation loc;
cfg::OverrideStatus override_status;
R_TRY(ldr::GetProgramLocationAndOverrideStatusFromPinId(std::addressof(loc), std::addressof(override_status), pin_id));
/* Get the program path. */
char path[fs::EntryNameLengthMax];
R_TRY(GetProgramPath(path, sizeof(path), loc));
path[sizeof(path) - 1] = '\x00';
/* Create the process. */
return ldr::CreateProcess(out, pin_id, loc, override_status, path, g_argument_store.Get(loc.program_id), flags, resource_limit);
}
Result LoaderService::GetProgramInfo(ProgramInfo *out, cfg::OverrideStatus *out_status, const ncm::ProgramLocation &loc) {
/* Zero output. */
std::memset(out, 0, sizeof(*out));
/* Get the program path. */
char path[fs::EntryNameLengthMax];
R_TRY(GetProgramPath(path, sizeof(path), loc));
path[sizeof(path) - 1] = '\x00';
/* Get the program info. */
cfg::OverrideStatus status;
R_TRY(ldr::GetProgramInfo(out, std::addressof(status), loc, path));
if (loc.program_id != out->program_id) {
/* Redirect the program path. */
const ncm::ProgramLocation new_loc = ncm::ProgramLocation::Make(out->program_id, static_cast<ncm::StorageId>(loc.storage_id));
R_TRY(RedirectProgramPath(path, sizeof(path), new_loc));
/* Update the arguments, as needed. */
if (const auto *entry = g_argument_store.Get(loc.program_id); entry != nullptr) {
R_TRY(this->SetProgramArgument(new_loc.program_id, entry->argument, entry->argument_size));
}
}
/* If we should, set the output status. */
if (out_status != nullptr) {
*out_status = status;
}
return ResultSuccess();
}
Result LoaderService::PinProgram(PinId *out, const ncm::ProgramLocation &loc, const cfg::OverrideStatus &status) {
*out = {};
return ldr::PinProgram(out, loc, status);
}
Result LoaderService::UnpinProgram(PinId id) {
return ldr::UnpinProgram(id);
}
Result LoaderService::SetProgramArgument(ncm::ProgramId program_id, const void *argument, size_t size) {
return g_argument_store.Set(program_id, argument, size);
}
Result LoaderService::FlushArguments() {
return g_argument_store.Flush();
}
Result LoaderService::GetProcessModuleInfo(u32 *out_count, ModuleInfo *out, size_t max_out_count, os::ProcessId process_id) {
*out_count = 0;
std::memset(out, 0, max_out_count * sizeof(*out));
return ldr::GetProcessModuleInfo(out_count, out, max_out_count, process_id);
}
Result LoaderService::RegisterExternalCode(os::NativeHandle *out, ncm::ProgramId program_id) {
return fssystem::CreateExternalCode(out, program_id);
}
void LoaderService::UnregisterExternalCode(ncm::ProgramId program_id) {
fssystem::DestroyExternalCode(program_id);
}
void LoaderService::HasLaunchedBootProgram(bool *out, ncm::ProgramId program_id) {
*out = ldr::HasLaunchedBootProgram(program_id);
}
Result LoaderService::SetEnabledProgramVerification(bool enabled) {
ldr::SetEnabledProgramVerification(enabled);
return ResultSuccess();
}
}