Atmosphere/stratosphere/loader/source/ldr_process_manager.cpp
2019-06-17 16:29:09 -07:00

143 lines
5.4 KiB
C++

/*
* Copyright (c) 2018-2019 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 <switch.h>
#include <stratosphere.hpp>
#include "ldr_process_manager.hpp"
#include "ldr_registration.hpp"
#include "ldr_launch_queue.hpp"
#include "ldr_content_management.hpp"
#include "ldr_npdm.hpp"
Result ProcessManagerService::CreateProcess(Out<MovedHandle> proc_h, u64 index, u32 flags, CopiedHandle reslimit_h) {
Registration::TidSid tid_sid;
LaunchQueue::LaunchItem *launch_item;
char nca_path[FS_MAX_PATH] = {0};
ON_SCOPE_EXIT {
/* Loader doesn't persist the copied resource limit handle. */
svcCloseHandle(reslimit_h.handle);
};
R_TRY(Registration::GetRegisteredTidSid(index, &tid_sid));
if (tid_sid.storage_id != FsStorageId_None) {
R_TRY(ContentManagement::ResolveContentPathForTidSid(nca_path, &tid_sid));
}
launch_item = LaunchQueue::GetItem(tid_sid.title_id);
R_TRY(ProcessCreation::CreateProcess(proc_h.GetHandlePointer(), index, nca_path, launch_item, flags, reslimit_h.handle));
ContentManagement::SetCreatedTitle(tid_sid.title_id);
return ResultSuccess;
}
Result ProcessManagerService::GetProgramInfo(OutPointerWithServerSize<ProcessManagerService::ProgramInfo, 0x1> out_program_info, Registration::TidSid tid_sid) {
char nca_path[FS_MAX_PATH] = {0};
/* Zero output. */
std::fill(out_program_info.pointer, out_program_info.pointer + out_program_info.num_elements, ProcessManagerService::ProgramInfo{});
R_TRY(PopulateProgramInfoBuffer(out_program_info.pointer, &tid_sid));
if (tid_sid.storage_id != FsStorageId_None && tid_sid.title_id != out_program_info.pointer->title_id) {
R_TRY(ContentManagement::ResolveContentPathForTidSid(nca_path, &tid_sid));
R_TRY(ContentManagement::RedirectContentPath(nca_path, out_program_info.pointer->title_id, tid_sid.storage_id));
R_TRY(LaunchQueue::AddCopy(tid_sid.title_id, out_program_info.pointer->title_id));
}
return ResultSuccess;
}
Result ProcessManagerService::RegisterTitle(Out<u64> index, Registration::TidSid tid_sid) {
return Registration::RegisterTidSid(&tid_sid, index.GetPointer()) ? 0 : ResultLoaderTooManyProcesses;
}
Result ProcessManagerService::UnregisterTitle(u64 index) {
return Registration::UnregisterIndex(index) ? 0 : ResultLoaderProcessNotRegistered;
}
Result ProcessManagerService::PopulateProgramInfoBuffer(ProcessManagerService::ProgramInfo *out, Registration::TidSid *tid_sid) {
NpdmUtils::NpdmInfo info;
/* Mount code, load NPDM. */
{
bool mounted_code = false;
if (tid_sid->storage_id != FsStorageId_None) {
R_TRY(ContentManagement::MountCodeForTidSid(tid_sid));
mounted_code = true;
} else if (R_SUCCEEDED(ContentManagement::MountCodeNspOnSd(tid_sid->title_id))) {
mounted_code = true;
}
ON_SCOPE_EXIT {
if (mounted_code) {
ContentManagement::UnmountCode();
}
};
R_TRY(NpdmUtils::LoadNpdm(tid_sid->title_id, &info));
}
out->main_thread_priority = info.header->main_thread_prio;
out->default_cpu_id = info.header->default_cpuid;
out->main_thread_stack_size = info.header->main_stack_size;
out->title_id = info.aci0->title_id;
out->acid_fac_size = info.acid->fac_size;
out->aci0_sac_size = info.aci0->sac_size;
out->aci0_fah_size = info.aci0->fah_size;
size_t offset = 0;
/* Copy ACID Service Access Control. */
if (offset + info.acid->sac_size >= sizeof(out->ac_buffer)) {
return ResultLoaderInternalError;
}
out->acid_sac_size = info.acid->sac_size;
std::memcpy(out->ac_buffer + offset, info.acid_sac, out->acid_sac_size);
offset += out->acid_sac_size;
/* Copy ACI0 Service Access Control. */
if (offset + info.aci0->sac_size >= sizeof(out->ac_buffer)) {
return ResultLoaderInternalError;
}
out->aci0_sac_size = info.aci0->sac_size;
std::memcpy(out->ac_buffer + offset, info.aci0_sac, out->aci0_sac_size);
offset += out->aci0_sac_size;
/* Copy ACID Filesystem Access Control. */
if (offset + info.acid->fac_size >= sizeof(out->ac_buffer)) {
return ResultLoaderInternalError;
}
out->acid_fac_size = info.acid->fac_size;
std::memcpy(out->ac_buffer + offset, info.acid_fac, out->acid_fac_size);
offset += out->acid_fac_size;
/* Copy ACI0 Filesystem Access Header. */
if (offset + info.aci0->fah_size >= sizeof(out->ac_buffer)) {
return ResultLoaderInternalError;
}
out->aci0_fah_size = info.aci0->fah_size;
std::memcpy(out->ac_buffer + offset, info.aci0_fah, out->aci0_fah_size);
offset += out->aci0_fah_size;
/* Parse application type. */
out->application_type = NpdmUtils::GetApplicationType(reinterpret_cast<const u32 *>(info.acid_kac), info.acid->kac_size / sizeof(u32));
return ResultSuccess;
}