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sysupdater: begin implementing api

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This commit is contained in:
Michael Scire 2020-06-25 21:59:59 -07:00 committed by SciresM
parent fdc7ef62f7
commit 28a6bb713c
15 changed files with 362 additions and 14 deletions
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1
libraries/libstratosphere/include/stratosphere/ams/impl/ams_system_thread_definitions.hpp
View file

@ -61,6 +61,7 @@ namespace ams::impl {
AMS_DEFINE_SYSTEM_THREAD(-1, mitm_sf, QueryServerProcessThread);
AMS_DEFINE_SYSTEM_THREAD(16, mitm_fs, RomFileSystemInitializeThread);
AMS_DEFINE_SYSTEM_THREAD(21, mitm, DebugThrowThread);
AMS_DEFINE_SYSTEM_THREAD(21, mitm_sysupdater, IpcServer);
/* boot2. */
AMS_DEFINE_SYSTEM_THREAD(20, boot2, Main);

5
libraries/libstratosphere/include/stratosphere/ncm/ncm_content_meta_utils.hpp
View file

@ -23,8 +23,11 @@
namespace ams::ncm {
Result ReadContentMetaPath(AutoBuffer *out, const char *path);
using MountContentMetaFunction = Result (*)(const char *mount_name, const char *path);
Result ReadContentMetaPath(AutoBuffer *out, const char *path);
Result ReadVariationContentMetaInfoList(s32 *out_count, std::unique_ptr<ContentMetaInfo[]> *out_meta_infos, const Path &path, FirmwareVariationId firmware_variation_id);
void SetMountContentMetaFunction(MountContentMetaFunction func);
}

12
libraries/libstratosphere/source/fssystem/fssystem_file_system_proxy_api.cpp
View file

@ -24,12 +24,12 @@ namespace ams::fssystem {
/* Official FS has a 4.5 MB exp heap, a 6 MB buffer pool, an 8 MB device buffer manager heap, and a 14 MB buffer manager heap. */
/* We don't need so much memory for ams.mitm (as we're servicing a much more limited context). */
/* We'll give ourselves a 2.5 MB exp heap, a 2 MB buffer pool, a 2 MB device buffer manager heap, and a 2 MB buffer manager heap. */
/* These numbers match signed-system-partition safe FS. */
constexpr size_t ExpHeapSize = 2_MB + 512_KB;
constexpr size_t BufferPoolSize = 2_MB;
constexpr size_t DeviceBufferSize = 2_MB;
constexpr size_t BufferManagerHeapSize = 2_MB;
/* We'll give ourselves a 1.5 MB exp heap, a 1 MB buffer pool, a 1 MB device buffer manager heap, and a 1 MB buffer manager heap. */
/* These numbers are 1 MB less than signed-system-partition safe FS in all pools. */
constexpr size_t ExpHeapSize = 1_MB + 512_KB;
constexpr size_t BufferPoolSize = 1_MB;
constexpr size_t DeviceBufferSize = 1_MB;
constexpr size_t BufferManagerHeapSize = 1_MB;
constexpr size_t MaxCacheCount = 1024;
constexpr size_t BlockSize = 16_KB;

12
libraries/libstratosphere/source/ncm/ncm_content_meta_utils.cpp
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@ -26,12 +26,18 @@ namespace ams::ncm {
return impl::PathView(name).HasSuffix(".cnmt");
}
Result MountContentMetaByRemoteFileSystemProxy(const char *mount_name, const char *path) {
return fs::MountContent(mount_name, path, fs::ContentType_Meta);
}
constinit MountContentMetaFunction g_mount_content_meta_func = MountContentMetaByRemoteFileSystemProxy;
}
Result ReadContentMetaPath(AutoBuffer *out, const char *path) {
/* Mount the content. */
auto mount_name = impl::CreateUniqueMountName();
R_TRY(fs::MountContent(mount_name.str, path, fs::ContentType_Meta));
R_TRY(g_mount_content_meta_func(mount_name.str, path));
ON_SCOPE_EXIT { fs::Unmount(mount_name.str); };
/* Open the root directory. */
@ -156,4 +162,8 @@ namespace ams::ncm {
return ResultSuccess();
}
void SetMountContentMetaFunction(MountContentMetaFunction func) {
g_mount_content_meta_func = func;
}
}

1
stratosphere/ams_mitm/source/amsmitm_initialization.cpp
View file

@ -157,6 +157,7 @@ namespace ams::mitm {
/* Connect to set:sys. */
sm::DoWithSession([]() {
R_ABORT_UNLESS(setInitialize());
R_ABORT_UNLESS(setsysInitialize());
});

7
stratosphere/ams_mitm/source/amsmitm_main.cpp
View file

@ -17,6 +17,7 @@
#include "amsmitm_initialization.hpp"
#include "amsmitm_module_management.hpp"
#include "bpc_mitm/bpc_ams_power_utils.hpp"
#include "sysupdater/sysupdater_fs_utils.hpp"
extern "C" {
extern u32 __start__;
@ -84,6 +85,12 @@ void __appInit(void) {
spl::InitializeForFs();
});
/* Initialize fssystem library. */
fssystem::InitializeForFileSystemProxy();
/* Configure ncm to use fssystem library to mount content. */
ncm::SetMountContentMetaFunction(mitm::sysupdater::MountContentMeta);
ams::CheckApiVersion();
}

1
stratosphere/ams_mitm/source/amsmitm_module.hpp
View file

@ -18,7 +18,6 @@
namespace ams::mitm {
/* TODO: C++20 Concepts will make this a lot less stupid. */
template<typename T>
concept IsModule = requires(T, void *arg) {
{ T::ThreadPriority } -> std::convertible_to<s32>;

3
stratosphere/ams_mitm/source/amsmitm_module_management.cpp
View file

@ -23,6 +23,7 @@
#include "bpc_mitm/bpc_ams_module.hpp"
#include "ns_mitm/nsmitm_module.hpp"
#include "hid_mitm/hidmitm_module.hpp"
#include "sysupdater/sysupdater_module.hpp"
namespace ams::mitm {
@ -35,6 +36,7 @@ namespace ams::mitm {
ModuleId_BpcAms,
ModuleId_NsMitm,
ModuleId_HidMitm,
ModuleId_Sysupdater,
ModuleId_Count,
};
@ -67,6 +69,7 @@ namespace ams::mitm {
GetModuleDefinition<bpc_ams::MitmModule>(),
GetModuleDefinition<ns::MitmModule>(),
GetModuleDefinition<hid::MitmModule>(),
GetModuleDefinition<sysupdater::MitmModule>(),
};
}

1
stratosphere/ams_mitm/source/bpc_mitm/bpc_ams_service.hpp
View file

@ -13,7 +13,6 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stratosphere.hpp>

26
stratosphere/ams_mitm/source/sysupdater/sysupdater_fs_utils.cpp Normal file
View file

@ -0,0 +1,26 @@
/*
* 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 <stratosphere.hpp>
#include "sysupdater_fs_utils.hpp"
namespace ams::mitm::sysupdater {
Result MountContentMeta(const char *mount_name, const char *path) {
/* TODO: Implement */
AMS_ABORT();
}
}

23
stratosphere/ams_mitm/source/sysupdater/sysupdater_fs_utils.hpp Normal file
View file

@ -0,0 +1,23 @@
/*
* 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/>.
*/
#pragma once
#include <stratosphere.hpp>
namespace ams::mitm::sysupdater {
Result MountContentMeta(const char *mount_name, const char *path);
}

50
stratosphere/ams_mitm/source/sysupdater/sysupdater_module.cpp Normal file
View file

@ -0,0 +1,50 @@
/*
* 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 <stratosphere.hpp>
#include "../amsmitm_initialization.hpp"
#include "sysupdater_module.hpp"
#include "sysupdater_service.hpp"
namespace ams::mitm::sysupdater {
namespace {
constexpr sm::ServiceName SystemUpdateServiceName = sm::ServiceName::Encode("ams:su");
constexpr size_t SystemUpdateMaxSessions = 1;
constexpr size_t MaxServers = 1;
constexpr size_t MaxSessions = SystemUpdateMaxSessions;
using ServerOptions = sf::hipc::DefaultServerManagerOptions;
sf::hipc::ServerManager<MaxServers, ServerOptions, MaxSessions> g_server_manager;
}
void MitmModule::ThreadFunction(void *arg) {
/* Wait until initialization is complete. */
mitm::WaitInitialized();
/* Connect to nim. */
sm::DoWithSession([]() { nim::InitializeForNetworkInstallManager(); });
ON_SCOPE_EXIT { nim::FinalizeForNetworkInstallManager(); };
/* Register ams:su. */
R_ABORT_UNLESS((g_server_manager.RegisterServer<sysupdater::SystemUpdateService>(SystemUpdateServiceName, SystemUpdateMaxSessions)));
/* Loop forever, servicing our services. */
g_server_manager.LoopProcess();
}
}

24
stratosphere/ams_mitm/source/sysupdater/sysupdater_module.hpp Normal file
View file

@ -0,0 +1,24 @@
/*
* 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/>.
*/
#pragma once
#include <stratosphere.hpp>
#include "../amsmitm_module.hpp"
namespace ams::mitm::sysupdater {
DEFINE_MITM_MODULE_CLASS(0x8000, AMS_GET_SYSTEM_THREAD_PRIORITY(mitm_sysupdater, IpcServer));
}

159
stratosphere/ams_mitm/source/sysupdater/sysupdater_service.cpp Normal file
View file

@ -0,0 +1,159 @@
/*
* 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 <stratosphere.hpp>
#include "sysupdater_service.hpp"
namespace ams::mitm::sysupdater {
namespace {
/* ExFat NCAs prior to 2.0.0 do not actually include the exfat driver, and don't boot. */
constexpr inline u32 MinimumVersionForExFatDriver = 65536;
Result ActivateSystemUpdateContentMetaDatabase() {
/* TODO: Don't use gamecard db. */
return ncm::ActivateContentMetaDatabase(ncm::StorageId::GameCard);
}
void InactivateSystemUpdateContentMetaDatabase() {
/* TODO: Don't use gamecard db. */
ncm::InactivateContentMetaDatabase(ncm::StorageId::GameCard);
}
Result OpenSystemUpdateContentMetaDatabase(ncm::ContentMetaDatabase *out) {
/* TODO: Don't use gamecard db. */
return ncm::OpenContentMetaDatabase(out, ncm::StorageId::GameCard);
}
Result GetContentInfoOfContentMeta(ncm::ContentInfo *out, ncm::ContentMetaDatabase &db, const ncm::ContentMetaKey &key) {
s32 ofs = 0;
while (true) {
/* List content infos. */
s32 count;
ncm::ContentInfo info;
R_TRY(db.ListContentInfo(std::addressof(count), std::addressof(info), 1, key, ofs++));
/* No content infos left to list. */
if (count == 0) {
break;
}
/* Check if the info is for meta content. */
if (info.GetType() == ncm::ContentType::Meta) {
*out = info;
return ResultSuccess();
}
}
/* Not found. */
return ncm::ResultContentInfoNotFound();
}
Result ReadContentMetaPath(ncm::AutoBuffer *out, const char *package_root, const ncm::ContentInfo &content_info) {
/* Get the content id string for the info. */
auto content_id_str = ncm::GetContentIdString(content_info.GetId());
/* Create a new path. */
ncm::Path content_path;
std::snprintf(content_path.str, sizeof(content_path.str), "%s/%s.cnmt.nca", package_root, content_id_str.data);
/* Read the content meta path. */
return ncm::ReadContentMetaPath(out, content_path.str);
}
bool IsExFatDriverSupported(const ncm::ContentMetaInfo &info) {
return info.version >= MinimumVersionForExFatDriver && ((info.attributes & ncm::ContentMetaAttribute_IncludesExFatDriver) != 0);
}
}
Result SystemUpdateService::GetUpdateInformation(sf::Out<UpdateInformation> out, const ncm::Path &package_root) {
/* Create a new update information. */
UpdateInformation update_info = {};
/* Parse the update. */
{
/* Activate the package database. */
R_TRY(ActivateSystemUpdateContentMetaDatabase());
ON_SCOPE_EXIT { InactivateSystemUpdateContentMetaDatabase(); };
/* Open the package database. */
ncm::ContentMetaDatabase package_db;
R_TRY(OpenSystemUpdateContentMetaDatabase(std::addressof(package_db)));
/* Cleanup and build the content meta database. */
ncm::ContentMetaDatabaseBuilder builder(std::addressof(package_db));
R_TRY(builder.Cleanup());
R_TRY(builder.BuildFromPackage(package_root.str));
/* Get the key for the SystemUpdate. */
ncm::ContentMetaKey key;
auto list_count = package_db.ListContentMeta(std::addressof(key), 1, ncm::ContentMetaType::SystemUpdate);
R_UNLESS(list_count.written > 0, ncm::ResultSystemUpdateNotFoundInPackage());
/* Get the content info for the key. */
ncm::ContentInfo content_info;
R_TRY(GetContentInfoOfContentMeta(std::addressof(content_info), package_db, key));
/* Read the content meta. */
ncm::AutoBuffer content_meta_buffer;
R_TRY(ReadContentMetaPath(std::addressof(content_meta_buffer), package_root.str, content_info));
/* Create a reader. */
const auto reader = ncm::PackagedContentMetaReader(content_meta_buffer.Get(), content_meta_buffer.GetSize());
/* Iterate over infos to find the system update info. */
for (size_t i = 0; i < reader.GetContentMetaCount(); ++i) {
const auto &meta_info = *reader.GetContentMetaInfo(i);
switch (meta_info.type) {
case ncm::ContentMetaType::SystemUpdate:
/* Set the version. */
update_info.version = meta_info.version;
break;
case ncm::ContentMetaType::BootImagePackage:
/* Detect exFAT support. */
update_info.exfat_supported |= IsExFatDriverSupported(meta_info);
break;
default:
break;
}
}
/* Default to no firmware variations. */
update_info.firmware_variation_count = 0;
/* Parse firmware variations if relevant. */
if (reader.GetExtendedDataSize() != 0) {
/* Get the actual firmware variation count. */
ncm::SystemUpdateMetaExtendedDataReader extended_data_reader(reader.GetExtendedData(), reader.GetExtendedDataSize());
update_info.firmware_variation_count = extended_data_reader.GetFirmwareVariationCount();
/* NOTE: Update this if Nintendo ever actually releases an update with this many variations? */
R_UNLESS(update_info.firmware_variation_count <= FirmwareVariationCountMax, ncm::ResultInvalidFirmwareVariation());
for (size_t i = 0; i < update_info.firmware_variation_count; ++i) {
update_info.firmware_variation_ids[i] = *extended_data_reader.GetFirmwareVariationId(i);
}
}
}
/* Set the parsed update info. */
out.SetValue(update_info);
return ResultSuccess();
}
}

43
stratosphere/ams_mitm/source/sysupdater/sysupdater_service.hpp Normal file
View file

@ -0,0 +1,43 @@
/*
* 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/>.
*/
#pragma once
#include <stratosphere.hpp>
namespace ams::mitm::sysupdater {
constexpr inline size_t FirmwareVariationCountMax = 16;
struct UpdateInformation {
u32 version;
bool exfat_supported;
u32 firmware_variation_count;
ncm::FirmwareVariationId firmware_variation_ids[FirmwareVariationCountMax];
};
class SystemUpdateService final : public sf::IServiceObject {
private:
enum class CommandId {
GetUpdateInformation = 0,
};
private:
Result GetUpdateInformation(sf::Out<UpdateInformation> out, const ncm::Path &path);
public:
DEFINE_SERVICE_DISPATCH_TABLE {
MAKE_SERVICE_COMMAND_META(GetUpdateInformation),
};
};
}