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set.mitm: misc style fixes for bluetooth db

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This commit is contained in:
Michael Scire 2023-03-10 10:19:58 -07:00
parent bd9d8fff46
commit e0e7aa1e2f
1 changed files with 36 additions and 34 deletions
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70
stratosphere/ams_mitm/source/set_mitm/setsys_mitm_service.cpp
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@ -80,7 +80,7 @@ namespace ams::mitm::settings {
CacheFirmwareVersion();
/* We want to give a special firmware version to the home menu title, and nothing else. */
/* This means Qlaunch + Maintenance Menu, and nothing else. */
/* This means qlaunch + maintenance menu, and nothing else. */
if (client_info.program_id == ncm::SystemAppletId::Qlaunch || client_info.program_id == ncm::SystemAppletId::MaintenanceMenu) {
*out = g_ams_firmware_version;
} else {
@ -90,7 +90,7 @@ namespace ams::mitm::settings {
R_SUCCEED();
}
bool ExternalBluetoothDatabaseEnabled() {
bool IsExternalBluetoothDatabaseEnabled() {
u8 en = 0;
settings::fwdbg::GetSettingsItemValue(std::addressof(en), sizeof(en), "atmosphere", "enable_external_bluetooth_db");
return en;
@ -103,13 +103,13 @@ namespace ams::mitm::settings {
}
Result ReadExternalBluetoothDatabase(s32 *entries_read, settings::BluetoothDevicesSettings *db, size_t db_max_size) {
/* Open external database file. */
/* Open the external database file. */
fs::FileHandle file;
R_TRY(fs::OpenFile(std::addressof(file), ExternalBluetoothDatabasePath, fs::OpenMode_Read));
ON_SCOPE_EXIT { fs::CloseFile(file); };
/* Read number of database entries stored in external database. */
size_t total_entries;
/* Read the number of database entries stored in external database. */
u64 total_entries;
R_TRY(fs::ReadFile(file, 0, std::addressof(total_entries), sizeof(total_entries)));
u64 db_offset = sizeof(total_entries);
@ -124,57 +124,59 @@ namespace ams::mitm::settings {
/* Read database entries. */
R_TRY(fs::ReadFile(file, db_offset, db, total_entries * sizeof(settings::BluetoothDevicesSettings)));
/* Convert to old database format if running on a firmware below 13.0.0. */
/* Convert entries to the old format if running on a firmware below 13.0.0. */
if (hos::GetVersion() < hos::Version_13_0_0) {
for (size_t i = 0; i < total_entries; ++i) {
/* Copy as many chars from currently used name field as we can fit in the original one. */
util::SNPrintf(db[i].name, sizeof(db[i].name), "%s", db[i].name2);
/* Copy the newer name field to the older one. */
util::TSNPrintf(db[i].name, sizeof(db[i].name), "%s", db[i].name2);
/* Clear the current name field. */
/* Clear the newer name field. */
std::memset(db[i].name2, 0, sizeof(db[i].name2));
}
}
*entries_read = total_entries;
/* Set the output. */
*entries_read = static_cast<s32>(total_entries);
R_SUCCEED();
}
Result StoreExternalBluetoothDatabase(const settings::BluetoothDevicesSettings *db, size_t total_entries) {
/* Open external database file. */
Result StoreExternalBluetoothDatabase(const settings::BluetoothDevicesSettings *db, u64 total_entries) {
/* Open the external database file. */
fs::FileHandle file;
R_TRY(fs::OpenFile(std::addressof(file), ExternalBluetoothDatabasePath, fs::OpenMode_Write));
ON_SCOPE_EXIT { fs::CloseFile(file); };
/* Set file size to accomodate all database entries */
/* Ensure the file is the appropriate size for the number of entries. */
R_TRY(fs::SetFileSize(file, sizeof(total_entries) + total_entries * sizeof(settings::BluetoothDevicesSettings)));
/* Write number of database entries. */
/* Write the number of database entries. */
R_TRY(fs::WriteFile(file, 0, std::addressof(total_entries), sizeof(total_entries), fs::WriteOption::None));
/* Write database entries. */
/* Write the database entries. */
u64 db_offset = sizeof(total_entries);
if (hos::GetVersion() < hos::Version_13_0_0) {
/* Convert to new database format if running on a firmware below 13.0.0 */
settings::BluetoothDevicesSettings tmp_entry;
/* Convert entries to the new format if running on a firmware below 13.0.0. */
for (size_t i = 0; i < total_entries; ++i) {
/* Take a copy of the current database entry. */
std::memcpy(std::addressof(tmp_entry), std::addressof(db[i]), sizeof(settings::BluetoothDevicesSettings));
/* Make a copy of the current database entry. */
settings::BluetoothDevicesSettings tmp = db[i];
/* Copy the name field from the original location to the currently used one. */
util::SNPrintf(tmp_entry.name2, sizeof(tmp_entry.name2), "%s", db[i].name);
/* Copy the older name field to the newer one. */
util::TSNPrintf(tmp.name2, sizeof(tmp.name2), "%s", tmp.name);
/* Clear the original name field. */
std::memset(std::addressof(tmp_entry.name), 0, sizeof(tmp_entry.name));
std::memset(tmp.name, 0, sizeof(tmp.name));
/* Write the converted database entry. */
R_TRY(fs::WriteFile(file, db_offset, &tmp_entry, sizeof(settings::BluetoothDevicesSettings), fs::WriteOption::None));
R_TRY(fs::WriteFile(file, db_offset, std::addressof(tmp), sizeof(settings::BluetoothDevicesSettings), fs::WriteOption::None));
/* Increment offset to the next database entry. */
/* Advance to the next database entry. */
db_offset += sizeof(settings::BluetoothDevicesSettings);
}
/* Flush the data we've written. */
R_TRY(fs::FlushFile(file));
} else {
/* We can just write the database to the file. */
R_TRY(fs::WriteFile(file, db_offset, db, total_entries * sizeof(settings::BluetoothDevicesSettings), fs::WriteOption::Flush));
}
@ -197,18 +199,18 @@ namespace ams::mitm::settings {
}
Result SetSysMitmService::SetBluetoothDevicesSettings(const sf::InMapAliasArray<settings::BluetoothDevicesSettings> &settings) {
/* Forward to session unless external database setting enabled. */
R_UNLESS(ExternalBluetoothDatabaseEnabled(), sm::mitm::ResultShouldForwardToSession());
/* We only want to perform additional logic when the external database setting is enabled. */
R_UNLESS(IsExternalBluetoothDatabaseEnabled(), sm::mitm::ResultShouldForwardToSession());
/* Create the external database if it doesn't exist. */
if (!HasExternalBluetoothDatabase()) {
R_TRY(fs::CreateFile(ExternalBluetoothDatabasePath, 0));
}
/* Backup local database to sd card. */
/* Backup the local database to the sd card. */
R_TRY(StoreExternalBluetoothDatabase(settings.GetPointer(), settings.GetSize()));
/* Also allow the updated database to be stored to system save as usual. */
/* Ensure that the updated database is stored to the system save as usual. */
static_assert(sizeof(settings::BluetoothDevicesSettings) == sizeof(::SetSysBluetoothDevicesSettings));
R_TRY(setsysSetBluetoothDevicesSettingsFwd(m_forward_service.get(), reinterpret_cast<const ::SetSysBluetoothDevicesSettings *>(settings.GetPointer()), settings.GetSize()));
@ -216,21 +218,21 @@ namespace ams::mitm::settings {
}
Result SetSysMitmService::GetBluetoothDevicesSettings(sf::Out<s32> out_count, const sf::OutMapAliasArray<settings::BluetoothDevicesSettings> &out) {
/* Forward to session unless external database setting enabled. */
R_UNLESS(ExternalBluetoothDatabaseEnabled(), sm::mitm::ResultShouldForwardToSession());
/* We only want to perform additional logic when the external database setting is enabled. */
R_UNLESS(IsExternalBluetoothDatabaseEnabled(), sm::mitm::ResultShouldForwardToSession());
if (!HasExternalBluetoothDatabase()) {
/* Forward to the real command to fetch database stored in system save. */
/* Fetch the local database from the system save. */
static_assert(sizeof(settings::BluetoothDevicesSettings) == sizeof(::SetSysBluetoothDevicesSettings));
R_TRY(setsysGetBluetoothDevicesSettingsFwd(m_forward_service.get(), out_count.GetPointer(), reinterpret_cast<::SetSysBluetoothDevicesSettings *>(out.GetPointer()), out.GetSize()));
/* Create the external database file. */
R_TRY(fs::CreateFile(ExternalBluetoothDatabasePath, 0));
/* Backup local database to sd card. */
/* Backup the local database to the sd card. */
R_TRY(StoreExternalBluetoothDatabase(out.GetPointer(), out_count.GetValue()));
} else {
/* Read the external database from sd card. */
/* Read the external database from the sd card. */
R_TRY(ReadExternalBluetoothDatabase(out_count.GetPointer(), out.GetPointer(), out.GetSize()));
}