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dll: fuse: GetDirInfoByName

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This commit is contained in:
Bill Zissimopoulos
2017-09-28 16:55:45 -07:00
parent 2438ece1cf
commit aae0a5bc74
2 changed files with 61 additions and 0 deletions
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59
src/dll/fuse/fuse_intf.c
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@ -1757,6 +1757,63 @@ static NTSTATUS fsp_fuse_intf_ReadDirectory(FSP_FILE_SYSTEM *FileSystem,
return STATUS_SUCCESS;
}
static NTSTATUS fsp_fuse_intf_GetDirInfoByName(FSP_FILE_SYSTEM *FileSystem,
PVOID FileNode, PWSTR FileName,
FSP_FSCTL_DIR_INFO *DirInfo)
{
struct fuse *f = FileSystem->UserContext;
struct fsp_fuse_file_desc *filedesc = FileNode;
char *PosixName = 0;
char PosixPath[FSP_FSCTL_TRANSACT_PATH_SIZEMAX / sizeof(WCHAR)];
int ParentLength, FSlashLength, PosixNameLength;
UINT32 Uid, Gid, Mode;
NTSTATUS Result;
Result = FspPosixMapWindowsToPosixPath(FileName, &PosixName);
if (!NT_SUCCESS(Result))
{
Result = STATUS_OBJECT_NAME_NOT_FOUND; //Result?
goto exit;
}
ParentLength = lstrlenA(filedesc->PosixPath);
FSlashLength = 1 < ParentLength;
PosixNameLength = lstrlenA(PosixName);
if (FSP_FSCTL_TRANSACT_PATH_SIZEMAX <= (ParentLength + FSlashLength + PosixNameLength) * sizeof(WCHAR))
{
Result = STATUS_OBJECT_NAME_NOT_FOUND; //STATUS_OBJECT_NAME_INVALID?
goto exit;
}
memcpy(PosixPath, filedesc->PosixPath, ParentLength);
memcpy(PosixPath + ParentLength, "/", FSlashLength);
memcpy(PosixPath + ParentLength + FSlashLength, PosixName, PosixNameLength + 1);
Result = fsp_fuse_intf_GetFileInfoEx(FileSystem, PosixPath, 0,
&Uid, &Gid, &Mode, &DirInfo->FileInfo);
if (!NT_SUCCESS(Result))
{
Result = STATUS_OBJECT_NAME_NOT_FOUND; //Result?
goto exit;
}
/*
* FUSE does not do FileName normalization; so just return the FileName as given to us!
*/
//memset(DirInfo->Padding, 0, sizeof DirInfo->Padding);
DirInfo->Size = (UINT16)(sizeof(FSP_FSCTL_DIR_INFO) + lstrlenW(FileName) * sizeof(WCHAR));
memcpy(DirInfo->FileNameBuf, FileName, DirInfo->Size - sizeof(FSP_FSCTL_DIR_INFO));
Result = STATUS_SUCCESS;
exit:
if (0 != PosixName)
FspPosixDeletePath(PosixName);
return Result;
}
static NTSTATUS fsp_fuse_intf_ResolveReparsePoints(FSP_FILE_SYSTEM *FileSystem,
PWSTR FileName, UINT32 ReparsePointIndex, BOOLEAN ResolveLastPathComponent,
PIO_STATUS_BLOCK PIoStatus, PVOID Buffer, PSIZE_T PSize)
@ -2030,6 +2087,8 @@ FSP_FILE_SYSTEM_INTERFACE fsp_fuse_intf =
fsp_fuse_intf_GetReparsePoint,
fsp_fuse_intf_SetReparsePoint,
fsp_fuse_intf_DeleteReparsePoint,
0,
fsp_fuse_intf_GetDirInfoByName,
};
/*