Atmosphere/libraries/libstratosphere/source/fs/fs_bis.cpp

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Implement the NCM sysmodule (closes #91) * Implement NCM * Modernize ncm_main * Remove unnecessary smExit * Give access to svcCallSecureMonitor * Stack size bump * Fix incorrect setup for NandUser's content storage entry * Fix a potential data abort when flushing the placeholder accessor cache * Fix HasFile and HasDirectory * Use r+b, not w+b * Misc fixes * errno begone * Fixed more stdio error handling * More main fixes * Various command improvements * Make dispatch tables great again * Fix logic inversion * Fixed content path generation * Bump heap size, fix CleanupAllPlaceHolder * Various fixes. Note: This contains debug stuff which will be removed later. I was getting tired of having to cherrypick tiny changes * Fixed placeholder/content deletion * Fixed incorrect content manager destruction * Prevent automatic placeholder creation on open * Fixed List implementation. Also lots of debug logging. * Removed debug code * Added a scope guard for WritePlaceHolder * Manually prevent placeholder/content appending * Revert "Removed debug code" This reverts commit d6ff261fcc8c1f26968e894b02c17a01a12ec98b. * Always cache placeholder file. Switch to ftell for preventing appending * Universally use EnsureEnabled * Abstract away file writing logic * Misc cleanup * Refactor placeholder cacheing * Remove debug code (again) * Revert "Remove debug code (again)" This reverts commit 168447d80e9640768fb1b43f04a385507c1bb5ab. * Misc changes * Fixed file modes * Fixed ContentId/PlaceHolderId alignment * Improved type safety * Fixed reinitialization * Fixed doubleup on path creation * Remove debug code * Fixed 1.0.0 booting * Correct amount of add on content * Correct main thread stack size * lr: Introducing registered data * Reorder stratosphere Makefile * Move results to libstrat * lr: Cleanup lr_redirection * lr: lr_manager tweaks * lr: Imrpoved path handling and adjust ResolveAddOnContentPath order * lr: Organise types * Add eof newlines * lr: Eliminate unnecessary vars * lr: Unnecessary vars 2 electric boogaloo * lr: Various helpers * lr: RegisteredLocationResolver helpers * ncm: Move ncm_types to libstrat * ncm: Misc cleanup * Implement NCM * Modernize ncm_main * Remove unnecessary smExit * Give access to svcCallSecureMonitor * Stack size bump * Fix incorrect setup for NandUser's content storage entry * Fix a potential data abort when flushing the placeholder accessor cache * Fix HasFile and HasDirectory * Use r+b, not w+b * Misc fixes * errno begone * Fixed more stdio error handling * More main fixes * Various command improvements * Make dispatch tables great again * Fix logic inversion * Fixed content path generation * Bump heap size, fix CleanupAllPlaceHolder * Various fixes. Note: This contains debug stuff which will be removed later. I was getting tired of having to cherrypick tiny changes * Fixed placeholder/content deletion * Fixed incorrect content manager destruction * Prevent automatic placeholder creation on open * Fixed List implementation. Also lots of debug logging. * Removed debug code * Added a scope guard for WritePlaceHolder * Manually prevent placeholder/content appending * Revert "Removed debug code" This reverts commit d6ff261fcc8c1f26968e894b02c17a01a12ec98b. * Always cache placeholder file. Switch to ftell for preventing appending * Universally use EnsureEnabled * Abstract away file writing logic * Misc cleanup * Refactor placeholder cacheing * Remove debug code (again) * Revert "Remove debug code (again)" This reverts commit 168447d80e9640768fb1b43f04a385507c1bb5ab. * Misc changes * Fixed file modes * Fixed ContentId/PlaceHolderId alignment * Improved type safety * Fixed reinitialization * Fixed doubleup on path creation * Remove debug code * Fixed 1.0.0 booting * Correct amount of add on content * Correct main thread stack size * lr: Introducing registered data * Reorder stratosphere Makefile * Move results to libstrat * lr: Cleanup lr_redirection * lr: lr_manager tweaks * lr: Imrpoved path handling and adjust ResolveAddOnContentPath order * lr: Organise types * Add eof newlines * lr: Eliminate unnecessary vars * lr: Unnecessary vars 2 electric boogaloo * lr: Various helpers * lr: RegisteredLocationResolver helpers * ncm: Move ncm_types to libstrat * ncm: Misc cleanup * Updated AddOnContentLocationResolver and RegisteredLocationResolver to 9.0.0 * Finished updating lr to 9.0.0 * Updated NCM to 9.0.0 * Fix libstrat includes * Fixed application launching * title_id_2 -> owner_tid * Updated to new-ipc * Change to using pure virtuals * Title Id -> Program Id * Fixed compilation against master * std::scoped_lock<> -> std::scoped_lock * Adopted R_UNLESS and R_CONVERT * Prefix namespace to Results * Adopt std::numeric_limits * Fixed incorrect error handling in ReadFile * Adopted AMS_ABORT_UNLESS * Adopt util::GenerateUuid() * Syntax improvements * ncm_types: Address review * Address more review comments * Updated copyrights * Address more feedback * More feedback addressed * More changes * Move dispatch tables out of interface files * Addressed remaining comments * lr: move into libstratosphere * ncm: Fix logic inversion * lr: Add comments * lr: Remove whitespace * ncm: Start addressing feedback * ncm: Cleanup InitializeContentManager * lr: support client-side usage * lr_service -> lr_api * ncm: Begin refactoring content manager * ncm: More content manager improvements * ncm: Content manager mount improvements * ldr: use lr bindings * lr bindings usage: minor fixes * ncm/lr: Pointer placement * ncm: placeholder accessor cleanup * ncm: minor fixes * ncm: refactor rights cache * ncm: content meta database cleanup * ncm: move content meta database impl out of interface file * ncm: Use const ContentMetaKey & * ncm: fix other non-const ContentMetaKey references * ncm: content meta database cleanup * ncm: content storage fixes for 2.0.0 * ncm: add missing end of file newlines * ncm: implement ContentMetaReader * ncm: client-side api * ncm: trim trailing spaces * ncm: FS_MAX_PATH-1 -> fs::EntryNameLengthMax * ncm: Use PathString and Path * fs: implement accessor wrappers for ncm * fs: implement user fs wrappers * fs: add MountSdCard * ncm: move to content manager impl * ncm: fix up main * kvdb: use fs:: * fs: Add wrappers needed for ncm * ncm: use fs bindings, other refactoring * ncm: minor fixes * fsa: fix ReadFile without size output * fs: add substorage, rom path tool * ncm: fix dangling fsdev usage * fs: fix bug in Commit * fs: fixed incorrect mode check * fs: implement Mount(System)Data * ncm: don't delete hos * results: add R_SUCCEED_IF * ams-except-ncm: use R_SUCCEED_IF * ncm: added comments * ncm: fix api definitions * ncm: use R_SUCCEED_IF * pm: think of the savings * ncm: employ kernel strats * ncm: Nintendo has 5 MiB of heap. Give ourselves 4 to be safe, pending analysis * ncm: refactor IDs, split types header into many headers * ams.mitm: use fs bindings instead of stdio * fs: SystemData uses SystemDataId * ncm: improve meta-db accuracy * ncm: inline getlatestkey * fs: improve UnsupportedOperation results * fs: modernize mount utils * ams: misc fixes for merge-errors * fs: improve unsupportedoperation results * git subrepo pull emummc subrepo: subdir: "emummc" merged: "d12dd546" upstream: origin: "https://github.com/m4xw/emuMMC" branch: "develop" commit: "d12dd546" git-subrepo: version: "0.4.1" origin: "???" commit: "???" * util: add boundedmap * ncm: minor style fixes * ncm: don't unmount if mounting fails * lr: bug fixes * ncm: implement ncm.for-initialize + ncm.for-safemode * lr: ncm::ProgramId::Invalid -> ncm::InvalidProgramId * ncm: fix open directory mode on 1.0.0 * ncm: fix fs use, implement more of < 4.0.0 for-initialize/safemode * ncm: implement packagedcontent -> content for building metadb * ncm: fix save data flag management * ncm: address some review suggestions (thanks @leoetlino!) * updater: use fs bindings * fs: implement MountCode * fs: prefer make_unique to operator new * ncm: implement remaining ContentMetaDatabaseBuilder functionality Co-authored-by: Michael Scire <SciresM@gmail.com>
2020-03-08 08:06:23 +00:00
/*
* 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 {
class BisCommonMountNameGenerator : public fsa::ICommonMountNameGenerator, public impl::Newable {
private:
const BisPartitionId id;
public:
explicit BisCommonMountNameGenerator(BisPartitionId i) : id(i) { /* ... */ }
virtual Result GenerateCommonMountName(char *dst, size_t dst_size) override {
/* Determine how much space we need. */
const char *bis_mount_name = GetBisMountName(this->id);
const size_t needed_size = strnlen(bis_mount_name, MountNameLengthMax) + 2;
AMS_ABORT_UNLESS(dst_size >= needed_size);
/* Generate the name. */
auto size = std::snprintf(dst, dst_size, "%s:", bis_mount_name);
AMS_ASSERT(static_cast<size_t>(size) == needed_size - 1);
return ResultSuccess();
}
};
}
namespace impl {
Result MountBisImpl(const char *name, BisPartitionId id, const char *root_path) {
/* Validate the mount name. */
R_TRY(impl::CheckMountNameAllowingReserved(name));
/* Open the partition. This uses libnx bindings. */
/* Note: Nintendo ignores the root_path here. */
FsFileSystem fs;
R_TRY(fsOpenBisFileSystem(std::addressof(fs), static_cast<::FsBisPartitionId>(id), ""));
/* Allocate a new mountname generator. */
auto generator = std::make_unique<BisCommonMountNameGenerator>(id);
R_UNLESS(generator != nullptr, fs::ResultAllocationFailureInBisA());
/* Allocate a new filesystem wrapper. */
auto fsa = std::make_unique<RemoteFileSystem>(fs);
R_UNLESS(fsa != nullptr, fs::ResultAllocationFailureInBisB());
/* Register. */
return fsa::Register(name, std::move(fsa), std::move(generator));
}
Result SetBisRootForHostImpl(BisPartitionId id, const char *root_path) {
/* Ensure the path isn't too long. */
size_t len = strnlen(root_path, fs::EntryNameLengthMax + 1);
R_UNLESS(len <= fs::EntryNameLengthMax, fs::ResultTooLongPath());
fssrv::sf::Path sf_path;
if (len > 0) {
const bool ending_sep = PathTool::IsSeparator(root_path[len - 1]);
FspPathPrintf(std::addressof(sf_path), "%s%s", root_path, ending_sep ? "" : "/");
} else {
sf_path.str[0] = '\x00';
}
/* TODO: Libnx binding for fsSetBisRootForHost */
AMS_ABORT();
}
}
const char *GetBisMountName(BisPartitionId id) {
switch (id) {
case BisPartitionId::CalibrationFile: return impl::BisCalibrationFilePartitionMountName;
case BisPartitionId::SafeMode: return impl::BisSafeModePartitionMountName;
case BisPartitionId::User: return impl::BisUserPartitionMountName;
case BisPartitionId::System: return impl::BisSystemPartitionMountName;
AMS_UNREACHABLE_DEFAULT_CASE();
}
}
Result MountBis(BisPartitionId id, const char *root_path) {
return impl::MountBisImpl(GetBisMountName(id), id, root_path);
}
Result MountBis(const char *name, BisPartitionId id) {
return impl::MountBisImpl(name, id, nullptr);
}
void SetBisRootForHost(BisPartitionId id, const char *root_path) {
R_ABORT_UNLESS(impl::SetBisRootForHostImpl(id, root_path));
}
Result OpenBisPartition(std::unique_ptr<fs::IStorage> *out, BisPartitionId id) {
/* Open the partition. This uses libnx bindings. */
FsStorage s;
R_TRY(fsOpenBisStorage(std::addressof(s), static_cast<::FsBisPartitionId>(id)));
/* Allocate a new storage wrapper. */
auto storage = std::make_unique<RemoteStorage>(s);
R_UNLESS(storage != nullptr, fs::ResultAllocationFailureInBisC());
*out = std::move(storage);
return ResultSuccess();
}
Result InvalidateBisCache() {
/* TODO: Libnx binding for this command. */
AMS_ABORT();
}
}