mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-25 00:00:45 +01:00
88 lines
3.8 KiB
C++
88 lines
3.8 KiB
C++
/*
|
|
* 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 "fsa/fs_mount_utils.hpp"
|
|
|
|
namespace ams::fs {
|
|
|
|
namespace {
|
|
|
|
const char *GetGameCardMountNameSuffix(GameCardPartition which) {
|
|
switch (which) {
|
|
case GameCardPartition::Update: return impl::GameCardFileSystemMountNameUpdateSuffix;
|
|
case GameCardPartition::Normal: return impl::GameCardFileSystemMountNameNormalSuffix;
|
|
case GameCardPartition::Secure: return impl::GameCardFileSystemMountNameSecureSuffix;
|
|
AMS_UNREACHABLE_DEFAULT_CASE();
|
|
}
|
|
}
|
|
|
|
class GameCardCommonMountNameGenerator : public fsa::ICommonMountNameGenerator, public impl::Newable {
|
|
private:
|
|
const GameCardHandle handle;
|
|
const GameCardPartition partition;
|
|
public:
|
|
explicit GameCardCommonMountNameGenerator(GameCardHandle h, GameCardPartition p) : handle(h), partition(p) { /* ... */ }
|
|
|
|
virtual Result GenerateCommonMountName(char *dst, size_t dst_size) override {
|
|
/* Determine how much space we need. */
|
|
const size_t needed_size = strnlen(impl::GameCardFileSystemMountName, MountNameLengthMax) + strnlen(GetGameCardMountNameSuffix(this->partition), MountNameLengthMax) + sizeof(GameCardHandle) * 2 + 2;
|
|
AMS_ABORT_UNLESS(dst_size >= needed_size);
|
|
|
|
/* Generate the name. */
|
|
auto size = util::SNPrintf(dst, dst_size, "%s%s%08x:", impl::GameCardFileSystemMountName, GetGameCardMountNameSuffix(this->partition), this->handle);
|
|
AMS_ASSERT(static_cast<size_t>(size) == needed_size - 1);
|
|
|
|
return ResultSuccess();
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
Result GetGameCardHandle(GameCardHandle *out) {
|
|
/* TODO: fs::DeviceOperator */
|
|
/* Open a DeviceOperator. */
|
|
::FsDeviceOperator d;
|
|
R_TRY(fsOpenDeviceOperator(std::addressof(d)));
|
|
ON_SCOPE_EXIT { fsDeviceOperatorClose(std::addressof(d)); };
|
|
|
|
/* Get the handle. */
|
|
static_assert(sizeof(GameCardHandle) == sizeof(::FsGameCardHandle));
|
|
return fsDeviceOperatorGetGameCardHandle(std::addressof(d), reinterpret_cast<::FsGameCardHandle *>(out));
|
|
}
|
|
|
|
Result MountGameCardPartition(const char *name, GameCardHandle handle, GameCardPartition partition) {
|
|
/* Validate the mount name. */
|
|
R_TRY(impl::CheckMountNameAllowingReserved(name));
|
|
|
|
/* Open gamecard filesystem. This uses libnx bindings. */
|
|
::FsFileSystem fs;
|
|
const ::FsGameCardHandle _hnd = {handle};
|
|
R_TRY(fsOpenGameCardFileSystem(std::addressof(fs), std::addressof(_hnd), static_cast<::FsGameCardPartition>(partition)));
|
|
|
|
/* Allocate a new filesystem wrapper. */
|
|
auto fsa = std::make_unique<RemoteFileSystem>(fs);
|
|
R_UNLESS(fsa != nullptr, fs::ResultAllocationFailureInGameCardC());
|
|
|
|
/* Allocate a new mountname generator. */
|
|
auto generator = std::make_unique<GameCardCommonMountNameGenerator>(handle, partition);
|
|
R_UNLESS(generator != nullptr, fs::ResultAllocationFailureInGameCardD());
|
|
|
|
/* Register. */
|
|
return fsa::Register(name, std::move(fsa), std::move(generator));
|
|
}
|
|
|
|
}
|