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Merge pull request #2132 from wwylele/fix-fs-err

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Correct FS error codes & add path boundary checks
This commit is contained in:
Sebastian Valle 2016-11-27 18:56:56 -05:00 • committed by GitHub
commit 4ba5acdaff
30 changed files with 1234 additions and 304 deletions
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9
src/core/hle/result.h
View file

@ -20,15 +20,24 @@ enum class ErrorDescription : u32 {
OS_InvalidBufferDescriptor = 48,
WrongAddress = 53,
FS_ArchiveNotMounted = 101,
FS_FileNotFound = 112,
FS_PathNotFound = 113,
FS_NotFound = 120,
FS_FileAlreadyExists = 180,
FS_DirectoryAlreadyExists = 185,
FS_AlreadyExists = 190,
FS_InvalidOpenFlags = 230,
FS_DirectoryNotEmpty = 240,
FS_NotAFile = 250,
FS_NotFormatted = 340, ///< This is used by the FS service when creating a SaveData archive
OutofRangeOrMisalignedAddress =
513, // TODO(purpasmart): Check if this name fits its actual usage
GPU_FirstInitialization = 519,
FS_InvalidReadFlag = 700,
FS_InvalidPath = 702,
FS_WriteBeyondEnd = 705,
FS_UnsupportedOpenFlags = 760,
FS_UnexpectedFileOrDirectory = 770,
InvalidSection = 1000,
TooLarge = 1001,
NotAuthorized = 1002,

9
src/core/hle/service/cfg/cfg.cpp
View file

@ -360,7 +360,7 @@ ResultCode CreateConfigInfoBlk(u32 block_id, u16 size, u16 flags, const void* da
}
ResultCode DeleteConfigNANDSaveFile() {
FileSys::Path path("config");
FileSys::Path path("/config");
return Service::FS::DeleteFileFromArchive(cfg_system_save_data_archive, path);
}
@ -369,7 +369,7 @@ ResultCode UpdateConfigNANDSavegame() {
mode.write_flag.Assign(1);
mode.create_flag.Assign(1);
FileSys::Path path("config");
FileSys::Path path("/config");
auto config_result = Service::FS::OpenFileFromArchive(cfg_system_save_data_archive, path, mode);
ASSERT_MSG(config_result.Succeeded(), "could not open file");
@ -383,8 +383,9 @@ ResultCode UpdateConfigNANDSavegame() {
ResultCode FormatConfig() {
ResultCode res = DeleteConfigNANDSaveFile();
// The delete command fails if the file doesn't exist, so we have to check that too
if (!res.IsSuccess() && res.description != ErrorDescription::FS_NotFound)
if (!res.IsSuccess() && res.description != ErrorDescription::FS_FileNotFound) {
return res;
}
// Delete the old data
cfg_config_file_buffer.fill(0);
// Create the header
@ -510,7 +511,7 @@ ResultCode LoadConfigNANDSaveFile() {
cfg_system_save_data_archive = *archive_result;
FileSys::Path config_path("config");
FileSys::Path config_path("/config");
FileSys::Mode open_mode = {};
open_mode.read_flag.Assign(1);

58
src/core/hle/service/fs/archive.cpp
View file

@ -15,9 +15,10 @@
#include "common/logging/log.h"
#include "core/file_sys/archive_backend.h"
#include "core/file_sys/archive_extsavedata.h"
#include "core/file_sys/archive_ncch.h"
#include "core/file_sys/archive_savedata.h"
#include "core/file_sys/archive_savedatacheck.h"
#include "core/file_sys/archive_sdmc.h"
#include "core/file_sys/archive_sdmcwriteonly.h"
#include "core/file_sys/archive_systemsavedata.h"
#include "core/file_sys/directory_backend.h"
#include "core/file_sys/file_backend.h"
@ -338,17 +339,11 @@ ResultCode RenameFileBetweenArchives(ArchiveHandle src_archive_handle,
return ERR_INVALID_ARCHIVE_HANDLE;
if (src_archive == dest_archive) {
if (src_archive->RenameFile(src_path, dest_path))
return RESULT_SUCCESS;
return src_archive->RenameFile(src_path, dest_path);
} else {
// TODO: Implement renaming across archives
return UnimplementedFunction(ErrorModule::FS);
}
// TODO(yuriks): This code probably isn't right, it'll return a Status even if the file didn't
// exist or similar. Verify.
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
ErrorSummary::NothingHappened, ErrorLevel::Status);
}
ResultCode DeleteDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
@ -356,10 +351,7 @@ ResultCode DeleteDirectoryFromArchive(ArchiveHandle archive_handle, const FileSy
if (archive == nullptr)
return ERR_INVALID_ARCHIVE_HANDLE;
if (archive->DeleteDirectory(path))
return RESULT_SUCCESS;
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
ErrorSummary::Canceled, ErrorLevel::Status);
return archive->DeleteDirectory(path);
}
ResultCode DeleteDirectoryRecursivelyFromArchive(ArchiveHandle archive_handle,
@ -368,10 +360,7 @@ ResultCode DeleteDirectoryRecursivelyFromArchive(ArchiveHandle archive_handle,
if (archive == nullptr)
return ERR_INVALID_ARCHIVE_HANDLE;
if (archive->DeleteDirectoryRecursively(path))
return RESULT_SUCCESS;
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
ErrorSummary::Canceled, ErrorLevel::Status);
return archive->DeleteDirectoryRecursively(path);
}
ResultCode CreateFileInArchive(ArchiveHandle archive_handle, const FileSys::Path& path,
@ -388,10 +377,7 @@ ResultCode CreateDirectoryFromArchive(ArchiveHandle archive_handle, const FileSy
if (archive == nullptr)
return ERR_INVALID_ARCHIVE_HANDLE;
if (archive->CreateDirectory(path))
return RESULT_SUCCESS;
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
ErrorSummary::Canceled, ErrorLevel::Status);
return archive->CreateDirectory(path);
}
ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle,
@ -404,17 +390,11 @@ ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle,
return ERR_INVALID_ARCHIVE_HANDLE;
if (src_archive == dest_archive) {
if (src_archive->RenameDirectory(src_path, dest_path))
return RESULT_SUCCESS;
return src_archive->RenameDirectory(src_path, dest_path);
} else {
// TODO: Implement renaming across archives
return UnimplementedFunction(ErrorModule::FS);
}
// TODO(yuriks): This code probably isn't right, it'll return a Status even if the file didn't
// exist or similar. Verify.
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
ErrorSummary::NothingHappened, ErrorLevel::Status);
}
ResultVal<Kernel::SharedPtr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
@ -423,13 +403,11 @@ ResultVal<Kernel::SharedPtr<Directory>> OpenDirectoryFromArchive(ArchiveHandle a
if (archive == nullptr)
return ERR_INVALID_ARCHIVE_HANDLE;
std::unique_ptr<FileSys::DirectoryBackend> backend = archive->OpenDirectory(path);
if (backend == nullptr) {
return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS, ErrorSummary::NotFound,
ErrorLevel::Permanent);
}
auto backend = archive->OpenDirectory(path);
if (backend.Failed())
return backend.Code();
auto directory = Kernel::SharedPtr<Directory>(new Directory(std::move(backend), path));
auto directory = Kernel::SharedPtr<Directory>(new Directory(backend.MoveFrom(), path));
return MakeResult<Kernel::SharedPtr<Directory>>(std::move(directory));
}
@ -549,6 +527,13 @@ void RegisterArchiveTypes() {
LOG_ERROR(Service_FS, "Can't instantiate SDMC archive with path %s",
sdmc_directory.c_str());
auto sdmcwo_factory = std::make_unique<FileSys::ArchiveFactory_SDMCWriteOnly>(sdmc_directory);
if (sdmcwo_factory->Initialize())
RegisterArchiveType(std::move(sdmcwo_factory), ArchiveIdCode::SDMCWriteOnly);
else
LOG_ERROR(Service_FS, "Can't instantiate SDMCWriteOnly archive with path %s",
sdmc_directory.c_str());
// Create the SaveData archive
auto savedata_factory = std::make_unique<FileSys::ArchiveFactory_SaveData>(sdmc_directory);
RegisterArchiveType(std::move(savedata_factory), ArchiveIdCode::SaveData);
@ -569,10 +554,9 @@ void RegisterArchiveTypes() {
LOG_ERROR(Service_FS, "Can't instantiate SharedExtSaveData archive with path %s",
sharedextsavedata_factory->GetMountPoint().c_str());
// Create the SaveDataCheck archive, basically a small variation of the RomFS archive
auto savedatacheck_factory =
std::make_unique<FileSys::ArchiveFactory_SaveDataCheck>(nand_directory);
RegisterArchiveType(std::move(savedatacheck_factory), ArchiveIdCode::SaveDataCheck);
// Create the NCCH archive, basically a small variation of the RomFS archive
auto savedatacheck_factory = std::make_unique<FileSys::ArchiveFactory_NCCH>(nand_directory);
RegisterArchiveType(std::move(savedatacheck_factory), ArchiveIdCode::NCCH);
auto systemsavedata_factory =
std::make_unique<FileSys::ArchiveFactory_SystemSaveData>(nand_directory);

2
src/core/hle/service/fs/archive.h
View file

@ -33,7 +33,7 @@ enum class ArchiveIdCode : u32 {
SystemSaveData = 0x00000008,
SDMC = 0x00000009,
SDMCWriteOnly = 0x0000000A,
SaveDataCheck = 0x2345678A,
NCCH = 0x2345678A,
};
/// Media types for the archives

2
src/core/hle/service/ptm/ptm.cpp
View file

@ -128,7 +128,7 @@ void Init() {
Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
ASSERT_MSG(archive_result.Succeeded(), "Could not open the PTM SharedExtSaveData archive!");
FileSys::Path gamecoin_path("gamecoin.dat");
FileSys::Path gamecoin_path("/gamecoin.dat");
FileSys::Mode open_mode = {};
open_mode.write_flag.Assign(1);
open_mode.create_flag.Assign(1);