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dll: fuse: FSP_FUSE_CAP_DELETE_ACCESS

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This commit is contained in:
Bill Zissimopoulos
2021-10-26 13:21:57 +01:00
parent 73359d682b
commit 52dd6f7478
4 changed files with 62 additions and 30 deletions
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85
src/dll/fuse/fuse_intf.c
View File

@ -991,6 +991,19 @@ static NTSTATUS fsp_fuse_intf_Open(FSP_FILE_SYSTEM *FileSystem,
int err;
NTSTATUS Result;
if (0 != (CreateOptions & FILE_DELETE_ON_CLOSE) &&
0 != (f->conn_want & FSP_FUSE_CAP_DELETE_ACCESS) && 0 != f->ops.access)
{
err = f->ops.access(contexthdr->PosixPath, FSP_FUSE_DELETE_OK);
Result = fsp_fuse_ntstatus_from_errno(f->env, err);
if (!NT_SUCCESS(Result) && STATUS_INVALID_DEVICE_REQUEST != Result)
{
if (STATUS_ACCESS_DENIED == Result)
Result = STATUS_CANNOT_DELETE;
goto exit;
}
}
Result = fsp_fuse_intf_GetFileInfoEx(FileSystem, contexthdr->PosixPath, 0,
&Uid, &Gid, &Mode, &FileInfoBuf);
if (!NT_SUCCESS(Result))
@ -1583,49 +1596,63 @@ static NTSTATUS fsp_fuse_intf_CanDelete(FSP_FILE_SYSTEM *FileSystem,
static NTSTATUS fsp_fuse_intf_Delete(FSP_FILE_SYSTEM *FileSystem,
PVOID FileDesc, PWSTR FileName, ULONG Flags)
{
struct fuse *f = FileSystem->UserContext;
struct fsp_fuse_file_desc *filedesc = FileDesc;
int err;
NTSTATUS Result;
switch (Flags)
{
case FILE_DISPOSITION_DO_NOT_DELETE:
return STATUS_SUCCESS;
case FILE_DISPOSITION_DELETE:
return fsp_fuse_intf_CanDelete(FileSystem, FileDesc, FileName);
Result = STATUS_SUCCESS;
if (0 != (f->conn_want & FSP_FUSE_CAP_DELETE_ACCESS) && 0 != f->ops.access)
{
err = f->ops.access(filedesc->PosixPath, FSP_FUSE_DELETE_OK);
Result = fsp_fuse_ntstatus_from_errno(f->env, err);
if (STATUS_INVALID_DEVICE_REQUEST == Result)
Result = STATUS_SUCCESS;
}
if (NT_SUCCESS(Result))
Result = fsp_fuse_intf_CanDelete(FileSystem, FileDesc, FileName);
/* when doing unlink/rmdir convert EPERM/EACCES to STATUS_CANNOT_DELETE */
if (STATUS_ACCESS_DENIED == Result)
Result = STATUS_CANNOT_DELETE;
return Result;
case FILE_DISPOSITION_DELETE | FILE_DISPOSITION_POSIX_SEMANTICS:
case -1:
if (filedesc->IsDirectory && !filedesc->IsReparsePoint)
{
struct fuse *f = FileSystem->UserContext;
struct fsp_fuse_file_desc *filedesc = FileDesc;
int err;
NTSTATUS Result = STATUS_SUCCESS;
if (filedesc->IsDirectory && !filedesc->IsReparsePoint)
if (0 != f->ops.rmdir)
{
if (0 != f->ops.rmdir)
{
err = f->ops.rmdir(filedesc->PosixPath);
Result = fsp_fuse_ntstatus_from_errno(f->env, err);
}
else
Result = STATUS_INVALID_DEVICE_REQUEST;
err = f->ops.rmdir(filedesc->PosixPath);
Result = fsp_fuse_ntstatus_from_errno(f->env, err);
}
else
{
if (0 != f->ops.unlink)
{
err = f->ops.unlink(filedesc->PosixPath);
Result = fsp_fuse_ntstatus_from_errno(f->env, err);
}
else
Result = STATUS_INVALID_DEVICE_REQUEST;
}
/* when doing unlink/rmdir convert EPERM/EACCES to STATUS_CANNOT_DELETE */
if (STATUS_ACCESS_DENIED == Result)
Result = STATUS_CANNOT_DELETE;
return Result;
Result = STATUS_INVALID_DEVICE_REQUEST;
}
else
{
if (0 != f->ops.unlink)
{
err = f->ops.unlink(filedesc->PosixPath);
Result = fsp_fuse_ntstatus_from_errno(f->env, err);
}
else
Result = STATUS_INVALID_DEVICE_REQUEST;
}
/* when doing unlink/rmdir convert EPERM/EACCES to STATUS_CANNOT_DELETE */
if (STATUS_ACCESS_DENIED == Result)
Result = STATUS_CANNOT_DELETE;
return Result;
default:
return STATUS_INVALID_PARAMETER;

1
src/dll/fuse/fuse_loop.c
View File

@ -88,6 +88,7 @@ static NTSTATUS fsp_fuse_loop_start(struct fuse *f)
FSP_FUSE_CAP_READDIR_PLUS |
FSP_FUSE_CAP_READ_ONLY |
FSP_FUSE_CAP_STAT_EX |
FSP_FUSE_CAP_DELETE_ACCESS |
FSP_FUSE_CAP_CASE_INSENSITIVE;
if (0 != f->ops.init)
{