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add commands for accessing process storage (#485)

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HookedBehemoth 2020-06-06 15:13:23 +02:00 committed by GitHub
parent eb9d377320
commit ac468913e4
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4 changed files with 50 additions and 1 deletions
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8
nx/include/switch/runtime/devices/romfs_dev.h
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@ -82,6 +82,14 @@ Result romfsMountFromStorage(FsStorage storage, u64 offset, const char *name);
*/
Result romfsMountFromCurrentProcess(const char *name);
/**
* @brief Mounts RomFS of a running program.
* @note Permission needs to be set in the NPDM.
* @param program_id ProgramId to mount.
* @param name Device mount name.
*/
Result romfsMountDataStorageFromProgram(u64 program_id, const char *name);
/**
* @brief Mounts RomFS from a file path in a mounted fsdev device.
* @param path File path.

5
nx/include/switch/services/fs.h
View File

@ -313,9 +313,10 @@ void fsSetPriority(FsPriority prio);
/// Mount requested filesystem type from content file
Result fsOpenFileSystem(FsFileSystem* out, FsFileSystemType fsType, const char* contentPath); ///< same as calling fsOpenFileSystemWithId with 0 as id
Result fsOpenDataFileSystemByCurrentProcess(FsFileSystem *out);
Result fsOpenFileSystemWithPatch(FsFileSystem* out, u64 id, FsFileSystemType fsType); ///< [2.0.0+], like OpenFileSystemWithId but without content path.
Result fsOpenFileSystemWithId(FsFileSystem* out, u64 id, FsFileSystemType fsType, const char* contentPath); ///< works on all firmwares, id is ignored on [1.0.0]
Result fsOpenDataFileSystemByProgramId(FsFileSystem *out, u64 program_id); ///< [3.0.0+]
Result fsOpenBisFileSystem(FsFileSystem* out, FsBisPartitionId partitionId, const char* string);
Result fsOpenBisStorage(FsStorage* out, FsBisPartitionId partitionId);
@ -346,7 +347,9 @@ Result fsOpenContentStorageFileSystem(FsFileSystem* out, FsContentStorageId cont
Result fsOpenCustomStorageFileSystem(FsFileSystem* out, FsCustomStorageId custom_storage_id); ///< [7.0.0+]
Result fsOpenDataStorageByCurrentProcess(FsStorage* out);
Result fsOpenDataStorageByProgramId(FsStorage *out, u64 program_id); /// <[3.0.0+]
Result fsOpenDataStorageByDataId(FsStorage* out, u64 dataId, NcmStorageId storageId);
Result fsOpenPatchDataStorageByCurrentProcess(FsStorage* out);
Result fsOpenDeviceOperator(FsDeviceOperator* out);
Result fsOpenSdCardDetectionEventNotifier(FsEventNotifier* out);

10
nx/source/runtime/devices/romfs_dev.c
View File

@ -342,6 +342,16 @@ Result romfsMountFromCurrentProcess(const char *name) {
return romfsMountFromStorage(storage, 0, name);
}
Result romfsMountDataStorageFromProgram(u64 program_id, const char *name) {
FsStorage storage;
Result rc = fsOpenDataStorageByProgramId(&storage, program_id);
if (R_FAILED(rc))
return rc;
return romfsMountFromStorage(storage, 0, name);
}
Result romfsMountFromFsdev(const char *path, u64 offset, const char *name)
{
FsFileSystem *tmpfs = NULL;

28
nx/source/services/fs.c
View File

@ -146,6 +146,10 @@ static Result _fsOpenFileSystem(FsFileSystem* out, FsFileSystemType fsType, cons
);
}
Result fsOpenDataFileSystemByCurrentProcess(FsFileSystem *out) {
return _fsCmdGetSession(&g_fsSrv, &out->s, 2);
}
Result fsOpenFileSystemWithPatch(FsFileSystem* out, u64 id, FsFileSystemType fsType) {
if (hosversionBefore(2,0,0))
return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
@ -175,6 +179,16 @@ static Result _fsOpenFileSystemWithId(FsFileSystem* out, u64 id, FsFileSystemTyp
);
}
Result fsOpenDataFileSystemByProgramId(FsFileSystem *out, u64 program_id) {
if (hosversionBefore(3,0,0))
return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
return _fsObjectDispatchIn(&g_fsSrv, 9, program_id,
.out_num_objects = 1,
.out_objects = &out->s,
);
}
Result fsOpenFileSystemWithId(FsFileSystem* out, u64 id, FsFileSystemType fsType, const char* contentPath) {
char sendStr[FS_MAX_PATH] = {0};
strncpy(sendStr, contentPath, sizeof(sendStr)-1);
@ -398,6 +412,16 @@ Result fsOpenDataStorageByCurrentProcess(FsStorage* out) {
return _fsCmdGetSession(&g_fsSrv, &out->s, 200);
}
Result fsOpenDataStorageByProgramId(FsStorage *out, u64 program_id) {
if (hosversionBefore(3,0,0))
return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
return _fsObjectDispatchIn(&g_fsSrv, 201, program_id,
.out_num_objects = 1,
.out_objects = &out->s,
);
}
Result fsOpenDataStorageByDataId(FsStorage* out, u64 dataId, NcmStorageId storageId) {
const struct {
u8 storage_id;
@ -410,6 +434,10 @@ Result fsOpenDataStorageByDataId(FsStorage* out, u64 dataId, NcmStorageId storag
);
}
Result fsOpenPatchDataStorageByCurrentProcess(FsStorage* out) {
return _fsCmdGetSession(&g_fsSrv, &out->s, 203);
}
Result fsOpenDeviceOperator(FsDeviceOperator* out) {
return _fsCmdGetSession(&g_fsSrv, &out->s, 400);
}