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citra/src/core/hle/service/cecd/cecd.cpp

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// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/file_util.h"
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/core.h"
#include "core/file_sys/archive_systemsavedata.h"
#include "core/file_sys/directory_backend.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/file_backend.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/process.h"
#include "core/hle/result.h"
#include "core/hle/service/cecd/cecd.h"
#include "core/hle/service/cecd/cecd_ndm.h"
#include "core/hle/service/cecd/cecd_s.h"
#include "core/hle/service/cecd/cecd_u.h"
#include "core/loader/smdh.h"
namespace Service {
namespace CECD {
using CecDataPathType = Module::CecDataPathType;
using CecOpenMode = Module::CecOpenMode;
using CecSystemInfoType = Module::CecSystemInfoType;
void Module::Interface::OpenRawFile(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x01, 3, 2);
const u32 ncch_program_id = rp.Pop<u32>();
const CecDataPathType path_type = rp.PopEnum<CecDataPathType>();
CecOpenMode open_mode;
open_mode.raw = rp.Pop<u32>();
rp.PopPID();
FileSys::Path path(cecd->GetCecDataPathTypeAsString(path_type, ncch_program_id).data());
FileSys::Mode mode;
mode.read_flag.Assign(1);
mode.write_flag.Assign(1);
mode.create_flag.Assign(1);
SessionData* session_data = GetSessionData(ctx.Session());
session_data->ncch_program_id = ncch_program_id;
session_data->open_mode.raw = open_mode.raw;
session_data->data_path_type = path_type;
session_data->path = path;
IPC::RequestBuilder rb = rp.MakeBuilder(2, 0);
switch (path_type) {
case CecDataPathType::CEC_PATH_ROOT_DIR:
case CecDataPathType::CEC_PATH_MBOX_DIR:
case CecDataPathType::CEC_PATH_INBOX_DIR:
case CecDataPathType::CEC_PATH_OUTBOX_DIR: {
auto dir_result =
Service::FS::OpenDirectoryFromArchive(cecd->cecd_system_save_data_archive, path);
if (dir_result.Failed()) {
if (open_mode.make_dir) {
Service::FS::CreateDirectoryFromArchive(cecd->cecd_system_save_data_archive, path);
rb.Push(RESULT_SUCCESS);
} else {
LOG_ERROR(Service_CECD, "Failed to open directory: {}", path.AsString());
rb.Push(ResultCode(ErrorDescription::NoData, ErrorModule::CEC,
ErrorSummary::NotFound, ErrorLevel::Status));
}
rb.Push<u32>(0); /// Zero entries
} else {
auto directory = dir_result.Unwrap();
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(directory->backend->Read(0, nullptr)); /// Entry count
}
break;
}
default: { /// If not directory, then it is a file
auto file_result =
Service::FS::OpenFileFromArchive(cecd->cecd_system_save_data_archive, path, mode);
if (file_result.Failed()) {
LOG_ERROR(Service_CECD, "Failed to open file: {}", path.AsString());
rb.Push(ResultCode(ErrorDescription::NoData, ErrorModule::CEC, ErrorSummary::NotFound,
ErrorLevel::Status));
rb.Push<u32>(0); /// No file size
} else {
session_data->file = std::move(file_result.Unwrap());
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(session_data->file->backend->GetSize()); /// Return file size
}
if (path_type == CecDataPathType::CEC_MBOX_PROGRAM_ID) {
std::vector<u8> program_id(8);
u64_le le_program_id = Kernel::g_current_process->codeset->program_id;
std::memcpy(program_id.data(), &le_program_id, sizeof(u64));
session_data->file->backend->Write(0, sizeof(u64), true, program_id.data());
}
}
}
LOG_DEBUG(Service_CECD,
"called, ncch_program_id={:#010x}, path_type={:#04x}, open_mode={:#010x}, path={}",
ncch_program_id, static_cast<u32>(path_type), open_mode.raw, path.AsString());
}
void Module::Interface::ReadRawFile(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x02, 1, 2);
const u32 write_buffer_size = rp.Pop<u32>();
auto& write_buffer = rp.PopMappedBuffer();
SessionData* session_data = GetSessionData(ctx.Session());
IPC::RequestBuilder rb = rp.MakeBuilder(2, 2);
switch (session_data->data_path_type) {
case CecDataPathType::CEC_PATH_ROOT_DIR:
case CecDataPathType::CEC_PATH_MBOX_DIR:
case CecDataPathType::CEC_PATH_INBOX_DIR:
case CecDataPathType::CEC_PATH_OUTBOX_DIR:
rb.Push(ResultCode(ErrorDescription::NotAuthorized, ErrorModule::CEC,
ErrorSummary::NotFound, ErrorLevel::Status));
rb.Push<u32>(0); /// No bytes read
break;
default: /// If not directory, then it is a file
std::vector<u8> buffer(write_buffer_size);
const u32 bytes_read =
session_data->file->backend->Read(0, write_buffer_size, buffer.data()).Unwrap();
write_buffer.Write(buffer.data(), 0, write_buffer_size);
session_data->file->backend->Close();
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(bytes_read);
}
rb.PushMappedBuffer(write_buffer);
LOG_DEBUG(Service_CECD, "called, write_buffer_size={:#010x}, path={}", write_buffer_size,
session_data->path.AsString());
}
void Module::Interface::ReadMessage(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x03, 4, 4);
const u32 ncch_program_id = rp.Pop<u32>();
const bool is_outbox = rp.Pop<bool>();
const u32 message_id_size = rp.Pop<u32>();
const u32 buffer_size = rp.Pop<u32>();
auto& message_id_buffer = rp.PopMappedBuffer();
auto& write_buffer = rp.PopMappedBuffer();
IPC::RequestBuilder rb = rp.MakeBuilder(2, 4);
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(0); /// Read size
rb.PushMappedBuffer(message_id_buffer);
rb.PushMappedBuffer(write_buffer);
LOG_WARNING(Service_CECD, "(STUBBED) called, ncch_program_id={:#010x}, is_outbox={}",
ncch_program_id, is_outbox);
}
void Module::Interface::ReadMessageWithHMAC(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x04, 4, 6);
const u32 ncch_program_id = rp.Pop<u32>();
const bool is_outbox = rp.Pop<bool>();
const u32 message_id_size = rp.Pop<u32>();
const u32 buffer_size = rp.Pop<u32>();
auto& message_id_buffer = rp.PopMappedBuffer();
auto& hmac_key_buffer = rp.PopMappedBuffer();
auto& write_buffer = rp.PopMappedBuffer();
IPC::RequestBuilder rb = rp.MakeBuilder(2, 6);
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(0); /// Read size
rb.PushMappedBuffer(message_id_buffer);
rb.PushMappedBuffer(hmac_key_buffer);
rb.PushMappedBuffer(write_buffer);
LOG_WARNING(Service_CECD, "(STUBBED) called, ncch_program_id={:#010x}, is_outbox={}",
ncch_program_id, is_outbox);
}
void Module::Interface::WriteRawFile(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x05, 1, 2);
const u32 read_buffer_size = rp.Pop<u32>();
auto& read_buffer = rp.PopMappedBuffer();
SessionData* session_data = GetSessionData(ctx.Session());
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
switch (session_data->data_path_type) {
case CecDataPathType::CEC_PATH_ROOT_DIR:
case CecDataPathType::CEC_PATH_MBOX_DIR:
case CecDataPathType::CEC_PATH_INBOX_DIR:
case CecDataPathType::CEC_PATH_OUTBOX_DIR:
rb.Push(ResultCode(ErrorDescription::NotAuthorized, ErrorModule::CEC,
ErrorSummary::NotFound, ErrorLevel::Status));
break;
default: /// If not directory, then it is a file
std::vector<u8> buffer(read_buffer_size);
read_buffer.Read(buffer.data(), 0, read_buffer_size);
const u32 bytes_written =
session_data->file->backend->Write(0, read_buffer_size, true, buffer.data()).Unwrap();
session_data->file->backend->Close();
rb.Push(RESULT_SUCCESS);
}
rb.PushMappedBuffer(read_buffer);
LOG_DEBUG(Service_CECD, "called, read_buffer_size={:#010x}", read_buffer_size);
}
void Module::Interface::WriteMessage(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x06, 4, 4);
const u32 ncch_program_id = rp.Pop<u32>();
const bool is_outbox = rp.Pop<bool>();
const u32 message_id_size = rp.Pop<u32>();
const u32 buffer_size = rp.Pop<u32>();
auto& read_buffer = rp.PopMappedBuffer();
auto& message_id_buffer = rp.PopMappedBuffer();
IPC::RequestBuilder rb = rp.MakeBuilder(1, 4);
rb.Push(RESULT_SUCCESS);
rb.PushMappedBuffer(read_buffer);
rb.PushMappedBuffer(message_id_buffer);
LOG_WARNING(Service_CECD, "(STUBBED) called, ncch_program_id={:#010x}, is_outbox={}",
ncch_program_id, is_outbox);
}
void Module::Interface::WriteMessageWithHMAC(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x07, 4, 6);
const u32 ncch_program_id = rp.Pop<u32>();
const bool is_outbox = rp.Pop<bool>();
const u32 message_id_size = rp.Pop<u32>();
const u32 buffer_size = rp.Pop<u32>();
auto& read_buffer = rp.PopMappedBuffer();
auto& hmac_key_buffer = rp.PopMappedBuffer();
auto& message_id_buffer = rp.PopMappedBuffer();
IPC::RequestBuilder rb = rp.MakeBuilder(1, 6);
rb.Push(RESULT_SUCCESS);
rb.PushMappedBuffer(read_buffer);
rb.PushMappedBuffer(hmac_key_buffer);
rb.PushMappedBuffer(message_id_buffer);
LOG_WARNING(Service_CECD, "(STUBBED) called, ncch_program_id={:#010x}, is_outbox={}",
ncch_program_id, is_outbox);
}
void Module::Interface::Delete(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x08, 4, 2);
const u32 ncch_program_id = rp.Pop<u32>();
const CecDataPathType path_type = rp.PopEnum<CecDataPathType>();
const bool is_outbox = rp.Pop<bool>();
const u32 message_id_size = rp.Pop<u32>();
auto& message_id_buffer = rp.PopMappedBuffer();
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(RESULT_SUCCESS);
rb.PushMappedBuffer(message_id_buffer);
LOG_WARNING(Service_CECD,
"(STUBBED) called, ncch_program_id={:#010x}, path_type={:#04x}, is_outbox={}",
ncch_program_id, static_cast<u32>(path_type), is_outbox);
}
void Module::Interface::Cecd_0x000900C2(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x09, 3, 2);
const u32 ncch_program_id = rp.Pop<u32>();
const u32 size = rp.Pop<u32>();
const u32 option = rp.Pop<u32>();
auto& message_id_buffer = rp.PopMappedBuffer();
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(RESULT_SUCCESS);
rb.PushMappedBuffer(message_id_buffer);
LOG_WARNING(Service_CECD,
"(STUBBED) called, ncch_program_id={:#010x}, size={:#010x}, option={:#010x}",
ncch_program_id, size, option);
}
void Module::Interface::GetSystemInfo(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x0A, 3, 4);
const u32 dest_buffer_size = rp.Pop<u32>();
const CecSystemInfoType info_type = rp.PopEnum<CecSystemInfoType>();
const u32 param_buffer_size = rp.Pop<u32>();
auto& param_buffer = rp.PopMappedBuffer();
auto& dest_buffer = rp.PopMappedBuffer();
/// TODO: Other CecSystemInfoTypes
IPC::RequestBuilder rb = rp.MakeBuilder(1, 4);
std::vector<u8> buffer;
switch (info_type) {
case CecSystemInfoType::EulaVersion: /// TODO: Read config Eula version
buffer = {0xFF, 0xFF};
dest_buffer.Write(buffer.data(), 0, buffer.size());
break;
case CecSystemInfoType::Eula:
buffer = {0x01}; /// Eula agreed
dest_buffer.Write(buffer.data(), 0, buffer.size());
break;
case CecSystemInfoType::ParentControl:
buffer = {0x00}; /// No parent control
dest_buffer.Write(buffer.data(), 0, buffer.size());
break;
default:
LOG_ERROR(Service_CECD, "Unknown system info type={}", static_cast<u32>(info_type));
}
rb.Push(RESULT_SUCCESS);
rb.PushMappedBuffer(param_buffer);
rb.PushMappedBuffer(dest_buffer);
LOG_DEBUG(Service_CECD,
"(STUBBED) called, dest_buffer_size={:#010x}, info_type={:#010x}, "
"param_buffer_size={:#010x}",
dest_buffer_size, static_cast<u32>(info_type), param_buffer_size);
}
void Module::Interface::RunCommand(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x0B, 1, 0);
const CecCommand command = rp.PopEnum<CecCommand>();
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service_CECD, "(STUBBED) called, command={}", static_cast<u32>(command));
}
void Module::Interface::RunCommandAlt(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x0C, 1, 0);
const CecCommand command = rp.PopEnum<CecCommand>();
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service_CECD, "(STUBBED) called, command={}", static_cast<u32>(command));
}
void Module::Interface::GetCecStateAbbreviated(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x0E, 0, 0);
IPC::RequestBuilder rb = rp.MakeBuilder(2, 0);
rb.Push(RESULT_SUCCESS);
rb.PushEnum(CecStateAbbreviated::CEC_STATE_ABBREV_IDLE);
LOG_WARNING(Service_CECD, "(STUBBED) called");
}
void Module::Interface::GetCecInfoEventHandle(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x0F, 0, 0);
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(RESULT_SUCCESS);
rb.PushCopyObjects(cecd->cecinfo_event);
LOG_WARNING(Service_CECD, "(STUBBED) called");
}
void Module::Interface::GetChangeStateEventHandle(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x10, 0, 0);
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(RESULT_SUCCESS);
rb.PushCopyObjects(cecd->change_state_event);
LOG_WARNING(Service_CECD, "(STUBBED) called");
}
void Module::Interface::OpenAndWrite(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x11, 4, 4);
const u32 buffer_size = rp.Pop<u32>();
const u32 ncch_program_id = rp.Pop<u32>();
const CecDataPathType path_type = rp.PopEnum<CecDataPathType>();
CecOpenMode open_mode;
open_mode.raw = rp.Pop<u32>();
rp.PopPID();
auto& read_buffer = rp.PopMappedBuffer();
FileSys::Path path(cecd->GetCecDataPathTypeAsString(path_type, ncch_program_id).data());
FileSys::Mode mode;
mode.write_flag.Assign(1);
mode.create_flag.Assign(1);
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
switch (path_type) {
case CecDataPathType::CEC_PATH_ROOT_DIR:
case CecDataPathType::CEC_PATH_MBOX_DIR:
case CecDataPathType::CEC_PATH_INBOX_DIR:
case CecDataPathType::CEC_PATH_OUTBOX_DIR:
rb.Push(ResultCode(ErrorDescription::NotAuthorized, ErrorModule::CEC,
ErrorSummary::NotFound, ErrorLevel::Status));
break;
default: /// If not directory, then it is a file
auto file_result =
Service::FS::OpenFileFromArchive(cecd->cecd_system_save_data_archive, path, mode);
if (file_result.Succeeded()) {
auto file = file_result.Unwrap();
std::vector<u8> buffer(buffer_size);
read_buffer.Read(buffer.data(), 0, buffer_size);
const u32 bytes_written =
file->backend->Write(0, buffer_size, true, buffer.data()).Unwrap();
file->backend->Close();
rb.Push(RESULT_SUCCESS);
} else {
LOG_ERROR(Service_CECD, "Failed to open file: {}", path.AsString());
/// We need to check if the MBox /CEC/<id> directory even exists...
/// If it doesn't, we create and populate it.
const FileSys::Path mbox_path(
cecd->GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_MBOX_DIR,
ncch_program_id)
.data());
auto mbox_result = Service::FS::OpenDirectoryFromArchive(
cecd->cecd_system_save_data_archive, mbox_path);
if (mbox_result.Failed())
cecd->CreateAndPopulateMBoxDirectory(ncch_program_id);
rb.Push(ResultCode(ErrorDescription::NoData, ErrorModule::CEC, ErrorSummary::NotFound,
ErrorLevel::Status));
}
}
rb.PushMappedBuffer(read_buffer);
LOG_DEBUG(Service_CECD,
"called, ncch_program_id={:#010x}, path_type={:#04x}, open_mode={:#010x}, path={}",
ncch_program_id, static_cast<u32>(path_type), open_mode.raw, path.AsString());
}
void Module::Interface::OpenAndRead(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x12, 4, 4);
const u32 buffer_size = rp.Pop<u32>();
const u32 ncch_program_id = rp.Pop<u32>();
const CecDataPathType path_type = rp.PopEnum<CecDataPathType>();
CecOpenMode open_mode;
open_mode.raw = rp.Pop<u32>();
rp.PopPID();
auto& write_buffer = rp.PopMappedBuffer();
FileSys::Path path(cecd->GetCecDataPathTypeAsString(path_type, ncch_program_id).data());
FileSys::Mode mode;
mode.read_flag.Assign(1);
mode.create_flag.Assign(1);
mode.write_flag.Assign(1);
IPC::RequestBuilder rb = rp.MakeBuilder(2, 2);
switch (path_type) {
case CecDataPathType::CEC_PATH_ROOT_DIR:
case CecDataPathType::CEC_PATH_MBOX_DIR:
case CecDataPathType::CEC_PATH_INBOX_DIR:
case CecDataPathType::CEC_PATH_OUTBOX_DIR:
rb.Push(ResultCode(ErrorDescription::NotAuthorized, ErrorModule::CEC,
ErrorSummary::NotFound, ErrorLevel::Status));
rb.Push<u32>(0); /// No bytes read
break;
default: /// If not directory, then it is a file
auto file_result =
Service::FS::OpenFileFromArchive(cecd->cecd_system_save_data_archive, path, mode);
if (file_result.Succeeded()) {
auto file = file_result.Unwrap();
std::vector<u8> buffer(buffer_size);
const u32 bytes_read = file->backend->Read(0, buffer_size, buffer.data()).Unwrap();
write_buffer.Write(buffer.data(), 0, buffer_size);
file->backend->Close();
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(bytes_read);
} else {
LOG_ERROR(Service_CECD, "Failed to open file: {}", path.AsString());
/// We need to check if the MBox /CEC/<id> directory even exists...
/// If it doesn't, we create and populate it.
const FileSys::Path mbox_path(
cecd->GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_MBOX_DIR,
ncch_program_id)
.data());
auto mbox_result = Service::FS::OpenDirectoryFromArchive(
cecd->cecd_system_save_data_archive, mbox_path);
if (mbox_result.Failed())
cecd->CreateAndPopulateMBoxDirectory(ncch_program_id);
/// Since the directories/files didn't exist before, we still push a failure
/// A second attempt will then be called, and now everything exists.
rb.Push(ResultCode(ErrorDescription::NoData, ErrorModule::CEC, ErrorSummary::NotFound,
ErrorLevel::Status));
rb.Push<u32>(0); /// No bytes read
}
}
rb.PushMappedBuffer(write_buffer);
LOG_DEBUG(Service_CECD,
"called, ncch_program_id={:#010x}, path_type={:#04x}, open_mode={:#010x}, path={}",
ncch_program_id, static_cast<u32>(path_type), open_mode.raw, path.AsString());
}
std::string Module::EncodeBase64(const std::vector<u8>& in, const std::string& dictionary) const {
std::string out;
out.reserve((in.size() * 4) / 3);
int b;
for (int i = 0; i < in.size(); i += 3) {
b = (in[i] & 0xFC) >> 2;
out += dictionary[b];
b = (in[i] & 0x03) << 4;
if (i + 1 < in.size()) {
b |= (in[i + 1] & 0xF0) >> 4;
out += dictionary[b];
b = (in[i + 1] & 0x0F) << 2;
if (i + 2 < in.size()) {
b |= (in[i + 2] & 0xC0) >> 6;
out += dictionary[b];
b = in[i + 2] & 0x3F;
out += dictionary[b];
} else {
out += dictionary[b];
}
} else {
out += dictionary[b];
}
}
return out;
}
std::string Module::GetCecDataPathTypeAsString(const CecDataPathType type, const u32 program_id,
const std::vector<u8>& msg_id) const {
switch (type) {
case CecDataPathType::CEC_PATH_MBOX_LIST:
return "/CEC/MBoxList____";
case CecDataPathType::CEC_PATH_MBOX_INFO:
return Common::StringFromFormat("/CEC/%08x/MBoxInfo____", program_id);
case CecDataPathType::CEC_PATH_INBOX_INFO:
return Common::StringFromFormat("/CEC/%08x/InBox___/BoxInfo_____", program_id);
case CecDataPathType::CEC_PATH_OUTBOX_INFO:
return Common::StringFromFormat("/CEC/%08x/OutBox__/BoxInfo_____", program_id);
case CecDataPathType::CEC_PATH_OUTBOX_INDEX:
return Common::StringFromFormat("/CEC/%08x/OutBox__/OBIndex_____", program_id);
case CecDataPathType::CEC_PATH_INBOX_MSG:
return Common::StringFromFormat("/CEC/%08x/InBox___/_%08x", program_id,
EncodeBase64(msg_id, base64_dict).data());
case CecDataPathType::CEC_PATH_OUTBOX_MSG:
return Common::StringFromFormat("/CEC/%08x/OutBox__/_%08x", program_id,
EncodeBase64(msg_id, base64_dict).data());
case CecDataPathType::CEC_PATH_ROOT_DIR:
return "/CEC";
case CecDataPathType::CEC_PATH_MBOX_DIR:
return Common::StringFromFormat("/CEC/%08x", program_id);
case CecDataPathType::CEC_PATH_INBOX_DIR:
return Common::StringFromFormat("/CEC/%08x/InBox___", program_id);
case CecDataPathType::CEC_PATH_OUTBOX_DIR:
return Common::StringFromFormat("/CEC/%08x/OutBox__", program_id);
case CecDataPathType::CEC_MBOX_DATA:
case CecDataPathType::CEC_MBOX_ICON:
case CecDataPathType::CEC_MBOX_TITLE:
default:
return Common::StringFromFormat("/CEC/%08x/MBoxData.%03d", program_id,
static_cast<u32>(type) - 100);
}
}
void Module::CreateAndPopulateMBoxDirectory(const u32 ncch_program_id) {
const FileSys::Path root_dir_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_ROOT_DIR, ncch_program_id).data());
const FileSys::Path mbox_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_MBOX_DIR, ncch_program_id).data());
const FileSys::Path inbox_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_INBOX_DIR, ncch_program_id).data());
const FileSys::Path outbox_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_OUTBOX_DIR, ncch_program_id).data());
/// Just in case the root dir /CEC doesn't exist, we try to create it first
Service::FS::CreateDirectoryFromArchive(cecd_system_save_data_archive, root_dir_path);
Service::FS::CreateDirectoryFromArchive(cecd_system_save_data_archive, mbox_path);
Service::FS::CreateDirectoryFromArchive(cecd_system_save_data_archive, inbox_path);
Service::FS::CreateDirectoryFromArchive(cecd_system_save_data_archive, outbox_path);
/// Now that the directories have been created, we can create the required files
FileSys::Mode mode;
mode.write_flag.Assign(1);
mode.create_flag.Assign(1);
/// MBoxInfo____ resides in the MBox /CEC/<id> directory,
/// The Magic number is 0x6363 'cc', and has size 0x60
FileSys::Path mbox_info_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_MBOX_INFO, ncch_program_id).data());
auto mbox_info_result =
Service::FS::OpenFileFromArchive(cecd_system_save_data_archive, mbox_info_path, mode);
constexpr u32 mbox_info_size = 0x60;
auto mbox_info = mbox_info_result.Unwrap();
std::vector<u8> mbox_info_buffer(mbox_info_size);
std::memset(&mbox_info_buffer[0], 0, mbox_info_size);
mbox_info_buffer[0] = 0x63;
mbox_info_buffer[1] = 0x63;
mbox_info->backend->Write(0, mbox_info_size, true, mbox_info_buffer.data());
mbox_info->backend->Close();
/// BoxInfo_____ resides in both the InBox and OutBox directories,
/// The Magic number is 0x6262 'bb', and has size 0x20-byte header, and an array of 0x70-byte
/// entries. Each entry is a copy of the message header.
FileSys::Path inbox_info_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_INBOX_INFO, ncch_program_id).data());
auto inbox_info_result =
Service::FS::OpenFileFromArchive(cecd_system_save_data_archive, inbox_info_path, mode);
constexpr u32 inbox_info_size = 0x20;
auto inbox_info = inbox_info_result.Unwrap();
std::vector<u8> inbox_info_buffer(inbox_info_size);
CecInOutBoxInfoHeader inbox_info_header = {};
std::memset(&inbox_info_header, 0, sizeof(CecInOutBoxInfoHeader));
inbox_info_header.magic = 0x6262;
inbox_info_header.box_info_size = 0x20;
inbox_info_header.max_box_size = 0xC3000;
inbox_info_header.box_size = 0x00;
inbox_info_header.max_message_num = 0x0A;
inbox_info_header.message_num = 0x00;
inbox_info_header.max_batch_size = 0x0A;
inbox_info_header.max_message_size = 0x019000;
inbox_info->backend->Write(0, inbox_info_size, true, (u8*)&inbox_info_header);
inbox_info->backend->Close();
/// BoxInfo_____ resides in both the InBox and OutBox directories,
/// The Magic number is 0x6262 'bb', and has size 0x20-byte header, and an array of 0x70-byte
/// entries. Each entry is a copy of the message header.
FileSys::Path outbox_info_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_OUTBOX_INFO, ncch_program_id).data());
auto outbox_info_result =
Service::FS::OpenFileFromArchive(cecd_system_save_data_archive, outbox_info_path, mode);
constexpr u32 outbox_info_size = 0x20;
auto outbox_info = outbox_info_result.Unwrap();
std::vector<u8> outbox_info_buffer(outbox_info_size);
CecInOutBoxInfoHeader outbox_info_header = {};
std::memset(&outbox_info_header, 0, sizeof(CecInOutBoxInfoHeader));
outbox_info_header.magic = 0x6262;
outbox_info_header.box_info_size = 0x20;
outbox_info_header.max_box_size = 0xC000;
outbox_info_header.box_size = 0x00;
outbox_info_header.max_message_num = 0x01;
outbox_info_header.message_num = 0x00;
outbox_info_header.max_batch_size = 0x01;
outbox_info_header.max_message_size = 0x019000;
outbox_info->backend->Write(0, outbox_info_size, true, (u8*)&outbox_info_header);
outbox_info->backend->Close();
/// OBIndex_____ resides in the OutBox directory,
/// The magic number is 0x6767 'gg', and the total size is 0x10
FileSys::Path outbox_index_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_OUTBOX_INDEX, ncch_program_id).data());
auto outbox_index_result =
Service::FS::OpenFileFromArchive(cecd_system_save_data_archive, outbox_index_path, mode);
constexpr u32 outbox_index_size = 0x10;
auto outbox_index = outbox_index_result.Unwrap();
std::vector<u8> outbox_index_buffer(outbox_index_size);
std::memset(&outbox_index_buffer[0], 0, outbox_index_size);
outbox_index_buffer[0] = 0x67;
outbox_index_buffer[1] = 0x67;
outbox_index->backend->Write(0, outbox_index_size, true, outbox_index_buffer.data());
outbox_index->backend->Close();
/// MBoxData.001 resides in the MBox /CEC/<id> directory and contains the icon of the app
FileSys::Path mbox_icon_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_MBOX_ICON, ncch_program_id).data());
auto mbox_icon_result =
Service::FS::OpenFileFromArchive(cecd_system_save_data_archive, mbox_icon_path, mode);
std::vector<u8> mbox_icon_buffer;
Core::System::GetInstance().GetAppLoader().ReadIcon(mbox_icon_buffer);
const u32 mbox_icon_size = mbox_icon_buffer.size() - 0x24C0; // offset where icon starts
auto mbox_icon = mbox_icon_result.Unwrap();
mbox_icon->backend->Write(0, mbox_icon_size, true, &mbox_icon_buffer[0x24C0]);
mbox_icon->backend->Close();
/// MBoxData.010 resides in the MBox /CEC/<id> directory and contains the title of the app
/// in null-terminated UTF-16 string.
FileSys::Path mbox_title_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_MBOX_TITLE, ncch_program_id).data());
auto mbox_title_result =
Service::FS::OpenFileFromArchive(cecd_system_save_data_archive, mbox_title_path, mode);
std::string title_name;
Core::System::GetInstance().GetAppLoader().ReadTitle(title_name);
std::u16string program_name = Common::UTF8ToUTF16(title_name + '\0');
const u32 mbox_title_size = program_name.size();
auto mbox_title = mbox_title_result.Unwrap();
std::vector<u8> mbox_title_buffer(mbox_title_size);
std::memcpy(mbox_title_buffer.data(), program_name.data(), mbox_title_size);
mbox_title->backend->Write(0, mbox_title_size, true, mbox_title_buffer.data());
mbox_title->backend->Close();
/// MBoxData.050 resides in the MBox /CEC/<id> directory and contains the program id of the app
FileSys::Path mbox_program_id_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_MBOX_PROGRAM_ID, ncch_program_id).data());
auto mbox_program_id_result =
Service::FS::OpenFileFromArchive(cecd_system_save_data_archive, mbox_program_id_path, mode);
auto mbox_program_id = mbox_program_id_result.Unwrap();
std::vector<u8> program_id_buffer(8);
u64_le le_program_id = Kernel::g_current_process->codeset->program_id;
std::memcpy(program_id_buffer.data(), &le_program_id, sizeof(u64));
mbox_program_id->backend->Write(0, sizeof(u64), true, program_id_buffer.data());
mbox_program_id->backend->Close();
}
Module::SessionData::SessionData() {}
Module::SessionData::~SessionData() {
if (file)
file->backend->Close();
}
Module::Interface::Interface(std::shared_ptr<Module> cecd, const char* name, u32 max_session)
: ServiceFramework(name, max_session), cecd(std::move(cecd)) {}
Module::Module() {
using namespace Kernel;
cecinfo_event = Event::Create(Kernel::ResetType::OneShot, "CECD::cecinfo_event");
change_state_event = Event::Create(Kernel::ResetType::OneShot, "CECD::change_state_event");
// Open the SystemSaveData archive 0x00010026
FileSys::Path archive_path(cecd_system_savedata_id);
auto archive_result =
Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SystemSaveData, archive_path);
// If the archive didn't exist, create the files inside
if (archive_result.Code() == FileSys::ERR_NOT_FORMATTED) {
// Format the archive to create the directories
Service::FS::FormatArchive(Service::FS::ArchiveIdCode::SystemSaveData,
FileSys::ArchiveFormatInfo(), archive_path);
// Open it again to get a valid archive now that the folder exists
archive_result =
Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SystemSaveData, archive_path);
/// Now that the archive is formatted, we need to create the root CEC directory,
/// eventlog.dat, and CEC/MBoxList____
const FileSys::Path root_dir_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_ROOT_DIR, 0).data());
Service::FS::CreateDirectoryFromArchive(*archive_result, root_dir_path);
FileSys::Mode mode;
mode.write_flag.Assign(1);
mode.create_flag.Assign(1);
/// eventlog.dat resides in the root of the archive beside the CEC directory
/// Initially created, at offset 0x0, are bytes 0x01 0x41 0x12, followed by
/// zeroes until offset 0x1000, where it changes to 0xDD until the end of file
/// at offset 0x30d53
FileSys::Path eventlog_path("/eventlog.dat");
auto eventlog_result =
Service::FS::OpenFileFromArchive(*archive_result, eventlog_path, mode);
constexpr u32 eventlog_size = 0x30d54;
auto eventlog = eventlog_result.Unwrap();
std::vector<u8> eventlog_buffer(eventlog_size);
std::memset(&eventlog_buffer[0], 0, 0x1000);
eventlog_buffer[0] = 0x01;
eventlog_buffer[1] = 0x41;
eventlog_buffer[2] = 0x12;
std::memset(&eventlog_buffer[0x1000], 0xDD, eventlog_size - 0x1000);
eventlog->backend->Write(0, eventlog_size, true, eventlog_buffer.data()).Unwrap();
eventlog->backend->Close();
/// MBoxList____ resides within the root CEC/ directory.
/// Initially created, at offset 0x0, are bytes 0x68 0x68 0x00 0x00 0x01, with 0x6868 'hh',
/// being the magic number. The rest of the file is filled with zeroes, until the end of
/// file at offset 0x18b
FileSys::Path mboxlist_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_MBOX_LIST, 0).data());
auto mboxlist_result =
Service::FS::OpenFileFromArchive(*archive_result, mboxlist_path, mode);
constexpr u32 mboxlist_size = 0x18c;
auto mboxlist = mboxlist_result.Unwrap();
std::vector<u8> mboxlist_buffer(mboxlist_size);
std::memset(&mboxlist_buffer[0], 0, mboxlist_size);
mboxlist_buffer[0] = 0x68;
mboxlist_buffer[1] = 0x68;
/// mboxlist_buffer[2-3] are already zeroed
mboxlist_buffer[4] = 0x01;
mboxlist->backend->Write(0, mboxlist_size, true, mboxlist_buffer.data()).Unwrap();
mboxlist->backend->Close();
}
ASSERT_MSG(archive_result.Succeeded(), "Could not open the CECD SystemSaveData archive!");
cecd_system_save_data_archive = *archive_result;
}
Module::~Module() {
if (cecd_system_save_data_archive)
Service::FS::CloseArchive(cecd_system_save_data_archive);
}
void InstallInterfaces(SM::ServiceManager& service_manager) {
auto cecd = std::make_shared<Module>();
std::make_shared<CECD_NDM>(cecd)->InstallAsService(service_manager);
std::make_shared<CECD_S>(cecd)->InstallAsService(service_manager);
std::make_shared<CECD_U>(cecd)->InstallAsService(service_manager);
}
} // namespace CECD
} // namespace Service
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